:root {
  --nav-logo-icon-size: 36px;
  --bg: #080909;
  --bg2: #101112;
  --fg: #f0f0ea;
  --muted: #8d9298;
  --muted2: #62676f;
  --border: rgba(240, 240, 234, 0.1);
  --border-strong: rgba(240, 240, 234, 0.36);
  --accent: #1677ff;
  --accent2: #64c7ff;
  --success: #27d36f;
  --email-accent: #ff9f43;
  --warning: #f5a524;
  --radius: 14px;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition: 0.42s var(--ease);
}

[data-theme="light"] {
  --bg: #efede7;
  --bg2: #e4e2dc;
  --fg: #090a0b;
  --muted: #5d6269;
  --muted2: #777b80;
  --border: rgba(9, 10, 11, 0.12);
  --border-strong: rgba(9, 10, 11, 0.38);
  --accent: #005fee;
  --accent2: #0398ff;
  --email-accent: #b75d00;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  overflow-x: clip;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  overflow-x: clip;
  background: var(--bg);
  color: var(--fg);
  font-family: "Roboto", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  transition: background var(--transition), color var(--transition);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9997;
  pointer-events: none;
  opacity: 0.026;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='320' height='320'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='320' height='320' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

main {
  display: flex;
  flex-direction: column;
}

#hero { order: 1; }
.marquee-wrap { order: 2; }
#about { order: 3; }
#project { order: 4; }
#contact { order: 5; }

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}

ul {
  list-style: none;
}

@media (pointer: fine) {
  *,
  *::before,
  *::after {
    cursor: none !important;
  }
}

#preloader {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 22px;
  background: var(--bg);
}

.pl-name {
  overflow: hidden;
  font-family: "Syne", sans-serif;
  font-size: clamp(34px, 6vw, 76px);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.9;
}

.pl-name span {
  display: block;
  transform: translateY(112%);
}

.pl-bar-wrap {
  width: 168px;
  height: 1px;
  overflow: hidden;
  background: var(--border);
}

.pl-bar {
  width: 0;
  height: 100%;
  background: var(--fg);
  transition: width 0.9s cubic-bezier(0.76, 0, 0.24, 1);
}

.cursor {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  will-change: transform;
}

.cursor-arrow {
  position: absolute;
  top: 0;
  left: 0;
  width: 22px;
  height: 26px;
  filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.45));
  transition: transform 0.22s var(--ease);
}

.cursor-label {
  position: absolute;
  top: 18px;
  left: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 8px;
  border-radius: 8px;
  background: #161718;
  color: #f4f4ef;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.38), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: background 0.22s ease, color 0.22s ease;
}

.cursor-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
}

body.is-hovering .cursor-arrow {
  transform: rotate(-12deg) scale(0.92);
}

body.is-hovering .cursor-label {
  animation: pill-bounce 0.42s cubic-bezier(0.36, 0.07, 0.19, 0.97);
  background: var(--accent);
  color: #fff;
}

body.is-hovering .cursor-dot {
  background: rgba(255, 255, 255, 0.68);
}

body.is-contact-hover .cursor-label {
  background: #161718;
  color: #f4f4ef;
  box-shadow:
    0 2px 10px rgba(0, 0, 0, 0.38),
    inset 0 0 0 1px color-mix(in srgb, var(--email-accent) 72%, transparent);
}

body.is-contact-hover .cursor-dot {
  background: var(--email-accent);
}

body.is-wechat-hover .cursor-label {
  background: #07c160;
  color: #fff;
  box-shadow:
    0 2px 10px rgba(7, 193, 96, 0.34),
    inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

body.is-wechat-hover .cursor-dot {
  background: rgba(255, 255, 255, 0.72);
}

#cursorLabelText {
  transition: opacity 0.12s ease;
}

@keyframes pill-bounce {
  0% { transform: scale(1); }
  18% { transform: scale(1.14, 0.86); }
  38% { transform: scale(0.93, 1.07); }
  58% { transform: scale(1.05, 0.96); }
  78% { transform: scale(0.98, 1.02); }
  100% { transform: scale(1); }
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 44px;
  isolation: isolate;
  transition: top var(--transition), left var(--transition), right var(--transition), padding var(--transition), border-radius var(--transition), background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}

nav > * {
  position: relative;
  z-index: 1;
}

nav.scrolled {
  top: 16px;
  left: 22%;
  right: 22%;
  gap: 42px;
  padding: 14px;
  overflow: hidden;
  border: 0.5px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow:
    0 16px 40px rgba(0, 0, 0, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(22px) saturate(130%);
  -webkit-backdrop-filter: blur(22px) saturate(130%);
}

[data-theme="light"] nav:not(.scrolled) .nav-logo,
[data-theme="light"] nav:not(.scrolled) .nav-links a,
[data-theme="light"] nav:not(.scrolled) .theme-btn {
  color: #c5c8ce;
}

[data-theme="light"] nav:not(.scrolled) .nav-links a:hover {
  color: #f0f0ea;
}

[data-theme="light"] nav:not(.scrolled) .nav-links a::after {
  background: #f0f0ea;
}

[data-theme="light"] nav:not(.scrolled) .theme-btn {
  border-color: rgba(240, 240, 234, 0.1);
}

[data-theme="light"] nav:not(.scrolled) .theme-btn:hover {
  border-color: #f0f0ea;
  background: #f0f0ea;
  color: #080909;
}

[data-theme="light"] nav.scrolled {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.28);
  box-shadow:
    0 16px 36px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--fg);
  line-height: 1;
}

.nav-logo-icon {
  display: block;
  width: var(--nav-logo-icon-size);
  height: var(--nav-logo-icon-size);
  flex: 0 0 auto;
  object-fit: contain;
}

.nav-logo-mark {
  display: block;
  width: 92px;
  height: 12px;
  flex: 0 0 auto;
  background: currentColor;
  mask: url("assets/duoasa-wordmark.svg?v=20260604-final") center / contain no-repeat;
  -webkit-mask: url("assets/duoasa-wordmark.svg?v=20260604-final") center / contain no-repeat;
}

.nav-right,
.nav-links {
  display: flex;
  align-items: center;
}

.nav-right {
  gap: 34px;
}

.nav-links {
  gap: 28px;
}

.nav-links a,
.theme-btn,
.section-label,
.pill,
.project-num,
.project-year,
.tags span,
.project-status,
.wip-badge,
.wechat-trigger,
.social-links a,
.copyright {
  text-transform: uppercase;
  letter-spacing: 0.11em;
}

.nav-links a {
  position: relative;
  color: var(--muted);
  font-size: 12px;
  transition: color 0.28s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: var(--fg);
  transition: width 0.28s ease;
}

.nav-links a:hover {
  color: var(--fg);
}

.nav-links a:hover::after {
  width: 100%;
}

.theme-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 15px;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  transition: background 0.28s ease, color 0.28s ease, border-color 0.28s ease;
}

.theme-btn:hover {
  border-color: var(--fg);
  background: var(--fg);
  color: var(--bg);
}

.hero {
  --hero-bg: #050606;
  --hero-fg: #f0f0ea;
  --hero-muted: #8d9298;
  --hero-border: rgba(240, 240, 234, 0.1);
  --hero-email-accent: #ff9f43;
  --hero-scan-cycle: 5s;
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(112px, calc(112px + env(safe-area-inset-top))) 44px max(112px, calc(112px + env(safe-area-inset-bottom)));
  overflow: hidden;
  background: var(--hero-bg);
  color: var(--hero-fg);
}

.hero-grid-scan-background {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-grid-scan-background canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  width: min(980px, calc(100vw - 88px));
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-eyebrow {
  margin-bottom: 20px;
  overflow: hidden;
  color: var(--hero-muted);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.line {
  display: block;
  overflow: hidden;
}

.hero-title .line,
.section-title .line,
.contact-headline .line {
  padding-bottom: 0.08em;
  margin-bottom: -0.08em;
}

.line > span {
  display: block;
  transform: translateY(112%);
}

.hero-title,
.section-title,
.contact-headline {
  font-family: "Syne", sans-serif;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.hero-title {
  max-width: 100%;
  margin-bottom: 30px;
  font-size: clamp(58px, 8.6vw, 124px);
  font-weight: 700;
  line-height: 0.94;
  overflow-wrap: anywhere;
}

.hero-title .line > span {
  white-space: nowrap;
}

.hero-glow-line {
  position: relative;
  overflow: visible;
}

.hero-glow-text {
  position: relative;
  color: var(--hero-fg);
  text-shadow:
    0 0 8px rgba(100, 199, 255, 0.68),
    0 0 20px rgba(22, 119, 255, 0.54),
    0 0 42px rgba(22, 119, 255, 0.3);
  animation: hero-glow-breathe var(--hero-scan-cycle) ease-in-out infinite;
}

@keyframes hero-glow-breathe {
  0%, 100% {
    text-shadow:
      0 0 6px rgba(100, 199, 255, 0.48),
      0 0 15px rgba(22, 119, 255, 0.34),
      0 0 32px rgba(22, 119, 255, 0.18);
  }
  50% {
    text-shadow:
      0 0 18px rgba(100, 199, 255, 1),
      0 0 42px rgba(22, 119, 255, 0.92),
      0 0 92px rgba(22, 119, 255, 0.68),
      0 0 132px rgba(22, 119, 255, 0.38);
  }
}

.hero-bottom {
  display: block;
  width: 100%;
}

.hero-desc {
  max-width: 620px;
  margin: 0 auto;
  color: var(--hero-muted);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.65;
  text-align: center;
}

.hero-pills {
  position: absolute;
  right: 44px;
  bottom: max(96px, calc(96px + env(safe-area-inset-bottom)));
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  width: max-content;
  max-width: calc(100vw - 88px);
}

.pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: max-content;
  background: rgba(5, 6, 6, 0.24);
  border: 1px solid var(--hero-border);
  border-radius: 999px;
  min-height: 32px;
  padding: 8px 16px;
  color: var(--hero-muted);
  font-size: 12px;
  line-height: 1;
  overflow: hidden;
  backdrop-filter: blur(14px) saturate(130%);
  -webkit-backdrop-filter: blur(14px) saturate(130%);
}

.pill.available {
  --availability-breath-cycle: 2s;
  --availability-cycle: 8s;
  --engaged-color: var(--hero-email-accent);
  --open-color: var(--success);
  min-width: 182px;
  justify-content: center;
  border-color: color-mix(in srgb, var(--engaged-color) 52%, transparent);
  background: color-mix(in srgb, var(--engaged-color) 9%, transparent);
  color: var(--engaged-color);
  letter-spacing: 0.06em;
  box-shadow: 0 0 18px color-mix(in srgb, var(--engaged-color) 26%, transparent);
  animation: availabilityGlow var(--availability-cycle) ease-in-out infinite;
}

.availability-dot {
  width: 6px;
  height: 6px;
  flex: 0 0 6px;
  border-radius: 999px;
  background: currentColor;
  box-shadow: 0 0 10px currentColor;
  animation: availabilityDotPulse var(--availability-breath-cycle) ease-in-out infinite;
}

.availability-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.availability-word,
.availability-separator {
  transition: color 0.34s ease, opacity 0.34s ease;
}

.availability-word-engaged {
  animation: engagedWordState var(--availability-cycle) ease-in-out infinite;
}

.availability-word-available {
  animation: availableWordState var(--availability-cycle) ease-in-out infinite;
}

.availability-separator {
  color: color-mix(in srgb, currentColor 66%, var(--hero-muted));
}

@keyframes availabilityGlow {
  0%, 47%, 100% {
    border-color: color-mix(in srgb, var(--engaged-color) 52%, transparent);
    background: color-mix(in srgb, var(--engaged-color) 9%, transparent);
    color: var(--engaged-color);
    box-shadow: 0 0 18px color-mix(in srgb, var(--engaged-color) 26%, transparent);
  }
  53%, 97% {
    border-color: color-mix(in srgb, var(--open-color) 52%, transparent);
    background: color-mix(in srgb, var(--open-color) 9%, transparent);
    color: var(--open-color);
    box-shadow: 0 0 18px color-mix(in srgb, var(--open-color) 26%, transparent);
  }
}

@keyframes availabilityDotPulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 0 10px currentColor;
  }
  50% {
    opacity: 0.42;
    transform: scale(0.72);
    box-shadow: 0 0 4px currentColor;
  }
}

@keyframes engagedWordState {
  0%, 47%, 100% {
    color: currentColor;
    opacity: 1;
  }
  53%, 97% {
    color: var(--hero-muted);
    opacity: 0.58;
  }
}

@keyframes availableWordState {
  0%, 47%, 100% {
    color: var(--hero-muted);
    opacity: 0.58;
  }
  53%, 97% {
    color: currentColor;
    opacity: 1;
  }
}

.email-pill {
  --email-qq-color: var(--hero-email-accent);
  --email-gmail-color: #ea4335;
  --email-active-color: var(--email-qq-color);
  --email-window-width: 154px;
  width: max-content;
  min-width: 0;
  justify-content: center;
  border-color: color-mix(in srgb, var(--email-active-color) 44%, transparent);
  background: color-mix(in srgb, var(--email-active-color) 8%, transparent);
  color: var(--email-active-color);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
  perspective: 420px;
}

.email-pill.is-email-alt {
  --email-active-color: var(--email-gmail-color);
}

[data-theme="light"] .email-pill {
  border-color: color-mix(in srgb, var(--email-active-color) 38%, transparent);
  background: color-mix(in srgb, var(--email-active-color) 7%, transparent);
}

.email-flip-window {
  position: relative;
  display: block;
  z-index: 1;
  width: var(--email-window-width);
  height: 1em;
  overflow: hidden;
  perspective: 420px;
}

.email-flip-item {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  backface-visibility: hidden;
  transform-origin: center;
  transition: opacity 0.42s ease, transform 0.52s var(--ease);
  will-change: opacity, transform;
}

.email-flip-primary {
  opacity: 1;
  letter-spacing: 0.168em;
  transform: translateY(0) rotateX(0deg);
}

.email-flip-secondary {
  opacity: 0;
  font-size: 12px;
  letter-spacing: 0.02em;
  transform: translateY(58%) rotateX(88deg);
}

.email-pill.is-email-alt .email-flip-primary {
  opacity: 0;
  transform: translateY(-58%) rotateX(-88deg);
}

.email-pill.is-email-alt .email-flip-secondary {
  opacity: 1;
  transform: translateY(0) rotateX(0deg);
}

.email-pill:hover,
.email-pill.copied {
  color: color-mix(in srgb, var(--email-active-color) 84%, var(--hero-fg));
  border-color: color-mix(in srgb, var(--email-active-color) 62%, transparent);
  background: color-mix(in srgb, var(--email-active-color) 12%, transparent);
}

[data-theme="light"] .email-pill:hover,
[data-theme="light"] .email-pill.copied {
  color: color-mix(in srgb, var(--email-active-color) 88%, var(--hero-fg));
  border-color: color-mix(in srgb, var(--email-active-color) 54%, transparent);
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.38; }
}

.scroll-hint {
  position: absolute;
  top: 110px;
  right: 44px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  opacity: 0;
}

.scroll-hint span {
  writing-mode: vertical-lr;
  color: var(--hero-muted);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.scroll-hint i {
  position: relative;
  width: 1px;
  height: 64px;
  overflow: hidden;
  background: var(--border);
}

.scroll-hint i::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--accent);
  animation: scroll-line 2.4s ease infinite;
}

@keyframes scroll-line {
  from { top: -100%; }
  to { top: 100%; }
}

.marquee-wrap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  padding: 14px 0;
  white-space: nowrap;
}

.marquee-track {
  display: inline-flex;
  animation: marquee 30s linear infinite;
}

.marquee-wrap:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-track span {
  display: inline-flex;
  align-items: center;
  gap: 56px;
  padding: 0 28px;
  color: var(--muted);
  font-family: "Syne", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.marquee-track span::after {
  content: "+";
  color: var(--accent);
  font-size: 10px;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.section {
  padding: 120px 44px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 64px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
}

.section-label {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 10px;
}

.section-title {
  font-size: clamp(52px, 8vw, 112px);
  line-height: 0.88;
}

.section-count {
  color: var(--muted);
  font-family: "Syne", sans-serif;
  font-size: 13px;
  font-weight: 800;
}

.projects {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.project-more-indicator {
  display: flex;
  justify-content: center;
  padding: 8px 0 0;
  pointer-events: none;
}

.project-more-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  color: var(--fg);
  font-size: 11px;
  letter-spacing: 0.12em;
  line-height: 1;
}

.project-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 400px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.38s ease;
}

.project-card[data-link]:hover {
  border-color: var(--border-strong);
}

.project-card.is-wip {
  pointer-events: none;
}

.project-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 22px;
  padding: 40px 44px;
}

.project-top,
.with-badge {
  display: flex;
  align-items: center;
  gap: 14px;
}

.project-num,
.project-year {
  color: var(--muted);
  font-size: 11px;
}

.project-main {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: flex-start;
  gap: 14px;
  padding-top: 4px;
}

.project-main h3 {
  max-width: 620px;
  font-size: clamp(34px, 3.95vw, 56px);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.08;
}

.project-summary {
  max-width: 560px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 300;
  line-height: 1.62;
}

.tags,
.metrics,
.skill-pills {
  display: flex;
  flex-wrap: wrap;
}

.tags {
  gap: 7px;
}

.tags span,
.skill-pills span {
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
}

.tags span {
  padding: 4px 11px;
  font-size: 9px;
}

.metrics {
  gap: 34px;
}

.metrics div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.metrics strong {
  color: var(--muted);
  font-size: 31px;
  font-weight: 400;
  letter-spacing: -0.04em;
}

.metrics span {
  max-width: 140px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
}

.project-status,
.wip-badge {
  --status-color: var(--warning);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid color-mix(in srgb, var(--status-color) 36%, transparent);
  border-radius: 999px;
  padding: 5px 12px;
  background: color-mix(in srgb, var(--status-color) 12%, transparent);
  color: var(--status-color);
  font-size: 10px;
  font-weight: 400;
}

.project-status.status-private {
  --status-color: var(--muted);
}

.project-status.status-demo {
  --status-color: var(--warning);
}

.project-status.status-production {
  --status-color: var(--fg);
}

.project-status.status-industry {
  --status-color: var(--accent2);
}

.project-status.status-event {
  --status-color: var(--accent2);
}

.project-status.status-live {
  --status-color: var(--success);
}

.project-status span,
.wip-badge span {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: currentColor;
  animation: blink 2.2s ease infinite;
}

.project-visual {
  position: relative;
  min-height: 400px;
  overflow: hidden;
  background: radial-gradient(circle at 70% 12%, color-mix(in srgb, var(--accent) 42%, transparent), transparent 34%), linear-gradient(145deg, #04101f, #061f52 56%, #1677ff);
}

.project-visual.cyan {
  background: radial-gradient(circle at 75% 16%, rgba(100, 199, 255, 0.45), transparent 34%), linear-gradient(145deg, #03121e, #053952 56%, #03a9f4);
}

.project-visual.extrafi-card-visual {
  background: linear-gradient(135deg, #010712, #08244b 58%, #0f5fb8);
}

.project-visual.xlend-card-visual {
  background: linear-gradient(135deg, #070711, #171523 58%, #27233b);
}

.project-visual.ckg-card-visual {
  background: #101822;
}

.project-visual.indigo {
  background: radial-gradient(circle at 75% 16%, rgba(98, 122, 255, 0.42), transparent 34%), linear-gradient(145deg, #080b20, #19225c 56%, #3b5bff);
}

.project-visual.montecarlo-card-visual {
  background: linear-gradient(135deg, #030305, #141524 58%, #241331);
}

.project-visual.violet {
  background: radial-gradient(circle at 75% 16%, rgba(188, 140, 255, 0.42), transparent 34%), linear-gradient(145deg, #12091f, #3a1b65 56%, #8b5cf6);
}

.project-visual.abex-card-visual {
  background: linear-gradient(135deg, #006bcf, #005bb8);
}

.project-visual.amber {
  background: radial-gradient(circle at 75% 16%, rgba(255, 200, 120, 0.4), transparent 34%), linear-gradient(145deg, #1f1204, #6d3c08 56%, #f59e0b);
}

.project-visual.expo-credits-card-visual {
  background: #050607;
}

.project-visual.emerald {
  background: radial-gradient(circle at 75% 16%, rgba(92, 255, 183, 0.34), transparent 34%), linear-gradient(145deg, #03170d, #064828 56%, #10b981);
}

.project-visual.aegis-card-visual {
  background: linear-gradient(135deg, #000, #061308 58%, #1e8f21);
}

.project-visual.robostack-card-visual {
  background: linear-gradient(135deg, #020502, #0a1710 58%, #2f9f43);
}

.project-visual.yunqi-carousel-card-visual {
  background: #020613;
}

.project-visual img {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.9s var(--ease);
}

.project-image-carousel {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}

.project-carousel-image {
  opacity: 0;
  animation: project-carousel-fade 18s ease-in-out infinite;
}

.project-carousel-image:nth-child(1) {
  opacity: 1;
  animation-delay: -1s;
}

.project-carousel-image:nth-child(2) {
  animation-delay: 5s;
}

.project-carousel-image:nth-child(3) {
  animation-delay: 11s;
}

.expo-credit-video {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s var(--ease);
}

.expo-credit-poster {
  opacity: 1;
}

.expo-credits-card-visual.is-video-ready .expo-credit-video {
  opacity: 1;
}

.expo-credits-card-visual.is-video-ready .expo-credit-poster {
  opacity: 0;
}

.image-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.06), rgba(0, 0, 0, 0.42));
}

.abex-card-visual .image-overlay {
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.18));
}

.extrafi-card-visual .image-overlay {
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.2));
}

.xlend-card-visual img {
  object-position: center 48%;
}

.xlend-card-visual .image-overlay {
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.18));
}

.ckg-card-visual .image-overlay {
  background:
    radial-gradient(ellipse at center, rgba(0, 0, 0, 0) 48%, rgba(0, 0, 0, 0.14) 76%, rgba(0, 0, 0, 0.3) 100%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.24), transparent 22%, transparent 78%, rgba(0, 0, 0, 0.22)),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.1), transparent 34%, rgba(0, 0, 0, 0.22));
}

.montecarlo-card-visual .image-overlay {
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.14));
}

.aegis-card-visual .image-overlay {
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.16));
}

.robostack-card-visual .image-overlay {
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.14));
}

.yunqi-carousel-card-visual .image-overlay {
  background:
    radial-gradient(ellipse at center, rgba(0, 0, 0, 0) 46%, rgba(0, 0, 0, 0.16) 76%, rgba(0, 0, 0, 0.34) 100%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.24), transparent 24%, transparent 76%, rgba(0, 0, 0, 0.24)),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.08), transparent 34%, rgba(0, 0, 0, 0.24));
}

.expo-credits-card-visual .image-overlay {
  z-index: 2;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.78), rgba(0, 0, 0, 0.2) 50%, rgba(0, 0, 0, 0.82)),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.72), rgba(0, 0, 0, 0.08) 45%, rgba(0, 0, 0, 0.72));
}

.expo-credit-stage {
  position: absolute;
  inset: 0;
  z-index: 3;
  overflow: hidden;
  color: #f5f7fb;
  text-align: center;
  pointer-events: none;
}

.expo-credit-stage::before,
.expo-credit-stage::after {
  content: "";
  position: absolute;
  left: 0;
  z-index: 2;
  width: 100%;
  height: 22%;
  pointer-events: none;
}

.expo-credit-stage::before {
  top: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.92), transparent);
}

.expo-credit-stage::after {
  bottom: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.92), transparent);
}

.expo-credit-roll {
  position: absolute;
  right: 8%;
  left: 8%;
  top: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  animation: expo-credit-roll 34s linear infinite;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.7);
}

.expo-credits-card-visual:hover .expo-credit-roll {
  animation-play-state: paused;
}

.expo-credit-title {
  max-width: 460px;
  font-family: "Syne", sans-serif;
  font-size: clamp(24px, 2.7vw, 34px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: 0;
  text-transform: uppercase;
}

.expo-credit-roll p:not(.expo-credit-title) {
  display: grid;
  grid-template-columns: minmax(136px, 0.94fr) minmax(168px, 1.06fr);
  gap: 18px;
  width: min(520px, 100%);
  align-items: center;
  text-align: left;
}

.expo-credit-roll span {
  color: rgba(245, 247, 251, 0.72);
  font-size: clamp(10px, 0.9vw, 12px);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.expo-credit-roll strong {
  font-size: clamp(17px, 1.8vw, 24px);
  font-weight: 500;
  line-height: 1.05;
}

@keyframes expo-credit-roll {
  from { transform: translateY(0); }
  to { transform: translateY(calc(-100% - 400px)); }
}

@keyframes project-carousel-fade {
  0% {
    opacity: 0;
    transform: scale(1.025);
  }
  6%,
  32% {
    opacity: 1;
  }
  40%,
  100% {
    opacity: 0;
    transform: scale(1.075);
  }
}

.project-card[data-link]:hover .project-visual img {
  transform: scale(1.06);
}

.soda-card-visual img {
  object-position: center;
}

.project-arrow {
  position: absolute;
  right: 24px;
  bottom: 24px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: #fff;
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.project-card[data-link]:hover .project-arrow {
  transform: rotate(45deg);
  border-color: #fff;
  background: #fff;
  color: #000;
}

.project-card[data-link] {
  cursor: pointer;
}

.project-card[data-link]:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 4px;
}

.case-main {
  display: block;
  padding: 132px 44px 96px;
}

.case-hero {
  min-height: auto;
  padding: 0 0 92px;
}

.case-back {
  display: inline-flex;
  margin-bottom: 42px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  transition: color 0.28s ease;
}

.case-back:hover {
  color: var(--fg);
}

.case-lede {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 28px;
  margin-bottom: 54px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--border);
}

.case-number {
  color: var(--muted);
  font-family: "Syne", sans-serif;
  font-size: 18px;
  font-weight: 800;
  line-height: 1;
}

.case-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
  gap: 44px;
  align-items: start;
}

.case-kicker {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.case-title {
  max-width: 1100px;
  margin: 28px 0 0;
  font-size: clamp(58px, 10vw, 150px);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 0.86;
}

.case-summary {
  max-width: 560px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 28px);
  font-weight: 300;
  line-height: 1.42;
}

.case-meta-wrap .tags {
  margin-top: 34px;
}

.case-visual {
  min-height: 620px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.case-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 18px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.case-meta dt {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.case-meta dd {
  color: var(--fg);
  font-size: 15px;
  line-height: 1.4;
}

.case-content {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.case-story-section {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 28px;
  padding: 84px 0;
  border-top: 1px solid var(--border);
}

.case-story-index {
  color: var(--muted);
  font-family: "Syne", sans-serif;
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
}

.case-story-content {
  max-width: 980px;
}

.case-story-content h2 {
  max-width: 900px;
  margin: 18px 0 30px;
  font-size: clamp(34px, 5.8vw, 82px);
  font-weight: 400;
  line-height: 0.98;
}

.case-story-copy {
  display: grid;
  gap: 18px;
  max-width: 760px;
}

.case-story-copy p {
  color: var(--muted);
  font-size: clamp(17px, 1.55vw, 22px);
  font-weight: 300;
  line-height: 1.62;
}

.case-list {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.case-list li {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
}

.case-list li::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 10px;
  border-radius: 999px;
  background: var(--accent);
  transform: translateY(-1px);
}

.case-metrics {
  margin-top: 42px;
}

.case-metrics strong {
  font-size: clamp(38px, 5vw, 72px);
  line-height: 0.92;
}

.case-impact {
  padding: 64px 0 84px 124px;
  border-top: 1px solid var(--border);
}

.case-next {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  min-height: 220px;
  padding: 34px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.28s ease, background 0.28s ease;
}

.case-next:hover {
  border-color: var(--border-strong);
  background: color-mix(in srgb, var(--fg) 4%, transparent);
}

.case-next span {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.case-next strong {
  font-size: clamp(42px, 7vw, 100px);
  font-weight: 400;
  line-height: 0.9;
  text-align: right;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
}

.about-copy p {
  margin-bottom: 24px;
  color: var(--muted);
  font-size: clamp(18px, 1.75vw, 23px);
  font-weight: 300;
  line-height: 1.62;
}

.about-copy strong {
  color: var(--fg);
  font-weight: 300;
}

.about-side {
  display: flex;
  flex-direction: column;
  gap: 44px;
}

.about-side h3 {
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.detail-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.detail-list span {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.detail-list b {
  font-family: "Syne", sans-serif;
  font-size: 14px;
  letter-spacing: -0.01em;
}

.detail-list small,
.detail-list em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
}

.detail-list em {
  flex-shrink: 0;
  font-size: 11px;
}

.skill-pills {
  gap: 7px;
}

.skill-pills span {
  padding: 6px 14px;
  font-size: 11px;
  letter-spacing: 0.06em;
}

.skill-pills .more-skills {
  min-width: 34px;
  justify-content: center;
  color: var(--fg);
  letter-spacing: 0.12em;
}

.tool-pills span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
}

.tool-pills .more-tools {
  min-width: 34px;
  justify-content: center;
  color: var(--fg);
  letter-spacing: 0.12em;
}

.project-hobby-subsection {
  margin-top: clamp(176px, 14vw, 220px);
  padding-top: 0;
}

.project-hobby-header {
  margin-bottom: 56px;
}

.hobby-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(48px, 6vw, 92px);
  align-items: stretch;
}

.hobby-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 24px;
  min-width: 0;
}

.hobby-choice {
  appearance: none;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  border: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--fg) 10%, transparent);
  border-radius: 0;
  padding: 0 0 24px;
  background: transparent;
  color: var(--fg);
  text-align: left;
  cursor: pointer;
  opacity: 0.82;
  transition: color 0.28s ease, opacity 0.28s ease, border-color 0.28s ease, transform 0.28s ease;
}

.hobby-choice:hover,
.hobby-choice:focus-visible,
.hobby-choice.is-active {
  color: var(--fg);
  opacity: 1;
}

.hobby-choice:focus-visible {
  outline: 1px solid color-mix(in srgb, var(--accent) 70%, transparent);
  outline-offset: 8px;
}

.hobby-choice.is-active {
  border-color: #fff;
  transform: translateX(10px);
}

.hobby-choice-text {
  display: block;
}

.hobby-choice-icon {
  display: block;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: cover;
  opacity: 0.92;
  filter: saturate(0.9) contrast(0.98);
  transition: opacity 0.28s ease, filter 0.28s ease, transform 0.28s ease;
}

.hobby-choice:hover .hobby-choice-icon,
.hobby-choice:focus-visible .hobby-choice-icon,
.hobby-choice.is-active .hobby-choice-icon {
  opacity: 1;
  filter: saturate(1) contrast(1);
}

.hobby-intro {
  max-width: none;
  margin: 0;
  color: var(--muted);
  font-size: 20px;
  font-weight: 300;
  line-height: 1.62;
}

.hobby-choice-text {
  max-width: none;
  color: #fff;
  font-size: 20px;
  font-weight: 300;
  line-height: 1.62;
}

.hobby-intro strong,
.hobby-choice-text strong {
  color: inherit;
  font-weight: 700;
}

.hobby-choice:not(.is-active) .hobby-choice-text {
  color: color-mix(in srgb, var(--fg) 76%, transparent);
}

[data-theme="light"] .hobby-choice-text {
  color: var(--fg);
}

[data-theme="light"] .hobby-choice.is-active {
  border-color: var(--fg);
}

.hobby-gallery {
  position: relative;
  overflow: hidden;
  min-height: 460px;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.hobby-gallery::before {
  content: none;
}

.masonry-list {
  width: 100%;
}

.masonry-item-wrapper {
  position: absolute;
  padding: 6px;
  will-change: transform;
}

.masonry-item-img {
  width: 100%;
  height: 100%;
  border-radius: 10px;
  background-position: center;
  background-size: cover;
  will-change: transform, filter, opacity;
}

.tool-logo,
.tool-logo-stack {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
}

.tool-logo {
  position: relative;
  overflow: hidden;
  border-radius: 50%;
  object-fit: cover;
}

.tool-logo-stack {
  width: 18px;
}

.tool-logo-stack .tool-logo + .tool-logo {
  margin-left: -6px;
}

.tool-logo-stack .tool-logo::after {
  color: #fff;
  font-style: normal;
  font-weight: 700;
  line-height: 1;
}

.logo-keynote {
  background: linear-gradient(135deg, #4aa3ff, #1f66ff);
}

.logo-keynote::after {
  content: "K";
  font-size: 6px;
}

.logo-powerpoint {
  background: linear-gradient(135deg, #ff8a4c, #c43e1c);
}

.logo-powerpoint::after {
  content: "P";
  font-size: 6px;
}

.contact-section {
  padding-bottom: 80px;
}

.contact-headline {
  margin: 56px 0 72px;
  font-size: clamp(54px, 9vw, 132px);
  line-height: 0.88;
}

.contact-thanks {
  font-size: 90px;
  font-weight: 600;
}

.contact-headline a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.24em;
}

.contact-cta {
  font-size: 72px;
}

.contact-cta-text {
  display: inline-block;
  padding-right: 0.06em;
  margin-right: -0.06em;
  color: var(--fg);
  background: linear-gradient(90deg, var(--email-accent) 0 50%, var(--fg) 50% 100%);
  background-size: 200% 100%;
  background-position: 100% 0;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: background-position 0.62s var(--ease);
}

.mail-icon {
  display: inline-block;
  width: 58px;
  height: 58px;
  object-fit: contain;
  flex: 0 0 auto;
  transform: translateY(-0.06em) rotate(-12deg);
  transform-origin: 50% 65%;
  filter: drop-shadow(0 0 12px rgba(100, 199, 255, 0.28));
  transition: transform 0.28s var(--ease), filter 0.28s ease;
}

.contact-headline a::after {
  content: none;
}

.contact-headline a:hover .contact-cta-text {
  background-position: 0 0;
}

.contact-headline a:hover .mail-icon {
  transform: translateY(-0.12em) rotate(8deg) scale(1.08);
  filter: drop-shadow(0 0 16px rgba(100, 199, 255, 0.42));
}

.contact-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  padding-top: 36px;
}

.contact-footer p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.social-links a,
.wechat-trigger {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.2;
  transition: color 0.28s ease;
}

.wechat-trigger {
  border: 0;
  padding: 0;
  background: transparent;
  font-family: inherit;
  cursor: pointer;
}

.social-links a:hover,
.wechat-trigger:hover,
.wechat-contact:focus-within .wechat-trigger {
  color: var(--fg);
}

.footer-link-icon {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  background: currentColor;
  transition: background 0.28s ease;
  mask-position: center;
  mask-repeat: no-repeat;
  mask-size: contain;
  -webkit-mask-position: center;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-size: contain;
}

.icon-mail {
  mask-image: url("assets/contact-mail.svg");
  -webkit-mask-image: url("assets/contact-mail.svg");
}

.icon-wechat {
  mask-image: url("assets/contact-wechat.svg");
  -webkit-mask-image: url("assets/contact-wechat.svg");
}

.icon-github {
  mask-image: url("assets/contact-github.svg");
  -webkit-mask-image: url("assets/contact-github.svg");
}

.wechat-contact {
  position: relative;
  display: inline-flex;
}

.wechat-popover {
  position: absolute;
  right: 0;
  bottom: calc(100% + 18px);
  z-index: 20;
  width: 252px;
  padding: 16px;
  border: 0.5px solid rgba(255, 255, 255, 0.16);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow:
    0 18px 44px rgba(0, 0, 0, 0.26),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px) scale(0.98);
  transform-origin: 100% 100%;
  transition: opacity 0.24s ease, transform 0.24s var(--ease);
  backdrop-filter: blur(22px) saturate(130%);
  -webkit-backdrop-filter: blur(22px) saturate(130%);
}

[data-theme="light"] .wechat-popover {
  border-color: rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.34);
  box-shadow:
    0 18px 40px rgba(0, 0, 0, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.wechat-contact:hover .wechat-popover,
.wechat-contact:focus-within .wechat-popover {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.wechat-qr {
  display: block;
  width: 220px;
  height: auto;
  border-radius: 18px;
  background: #fff;
  box-shadow:
    inset 0 0 0 1px rgba(8, 9, 9, 0.08),
    0 10px 24px rgba(0, 0, 0, 0.08);
}

.copyright {
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  text-align: center;
  font-size: 11px;
}

.quest-page {
  --quest-accent: #27d36f;
  --quest-accent-2: #8ef6b9;
  --quest-deep: #092314;
  --quest-panel: color-mix(in srgb, var(--bg2) 86%, var(--quest-deep));
}

[data-theme="light"] .quest-page {
  --quest-panel: color-mix(in srgb, var(--bg2) 76%, #dff4e6);
}

.quest-page main {
  display: block;
}

.quest-preloader {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  flex-direction: column;
  pointer-events: none;
}

.quest-pl-panel {
  flex: 1;
  background: var(--bg);
}

.quest-pl-top {
  animation: quest-panel-top-out 0.55s var(--ease) 0.35s forwards;
}

.quest-pl-bottom {
  animation: quest-panel-bottom-out 0.55s var(--ease) 0.35s forwards;
}

@keyframes quest-panel-top-out {
  to { transform: translateY(-100%); }
}

@keyframes quest-panel-bottom-out {
  to { transform: translateY(100%); }
}

.quest-page #nav:not(.scrolled) {
  color: #f0f0ea;
}

.quest-page #nav:not(.scrolled) .theme-btn,
.quest-page #nav:not(.scrolled) .quest-back-link {
  border-color: rgba(240, 240, 234, 0.22);
  color: rgba(240, 240, 234, 0.72);
}

.quest-page #nav:not(.scrolled) .theme-btn:hover {
  border-color: #f0f0ea;
  background: #f0f0ea;
  color: #080909;
}

.quest-nav-right {
  gap: 22px;
}

.quest-back-link {
  position: relative;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  transition: color 0.28s ease;
}

.quest-back-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.28s ease;
}

.quest-back-link:hover {
  color: var(--fg);
}

.quest-back-link:hover::after {
  width: 100%;
}

.quest-hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  padding: 0 44px max(58px, calc(58px + env(safe-area-inset-bottom)));
  background: #07130d;
  color: #f0f0ea;
}

.quest-hero-cover {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
}

.quest-hero-cover {
  object-fit: cover;
  object-position: center center;
  opacity: 0.62;
  filter: saturate(0.92) contrast(1.08);
  transform: scale(1.04);
}

.quest-hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(circle at 82% 52%, rgba(39, 211, 111, 0.14), transparent 34%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.24), rgba(0, 0, 0, 0.78));
}

.case-playground .quest-hero-overlay,
.case-abex .quest-hero-overlay {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.24), rgba(0, 0, 0, 0.78));
}

.quest-hero-number {
  position: absolute;
  right: 44px;
  top: 50%;
  z-index: 2;
  color: transparent;
  font-family: "Syne", sans-serif;
  font-size: clamp(110px, 17vw, 240px);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 1;
  pointer-events: none;
  transform: translateY(-50%);
  -webkit-text-stroke: 1px rgba(240, 240, 234, 0.14);
}

.quest-title-wrap {
  position: relative;
  z-index: 3;
  margin-bottom: 46px;
}

.quest-company {
  margin-bottom: 12px;
  color: rgba(240, 240, 234, 0.58);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.quest-title {
  max-width: min(1280px, calc(100vw - 88px));
  font-family: "Syne", sans-serif;
  font-size: clamp(54px, 8.2vw, 118px);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 0.9;
}

.case-playground .quest-title-wrap,
.case-abex .quest-title-wrap {
  width: 100%;
}

.case-soda .quest-title-wrap {
  width: 100%;
}

.case-playground .quest-title,
.case-abex .quest-title {
  max-width: min(1360px, calc(100vw - 88px));
  font-size: clamp(50px, 6.65vw, 92px);
  letter-spacing: -0.045em;
}

.case-soda .quest-title {
  max-width: min(1180px, calc(100vw - 88px));
  font-size: clamp(52px, 7.35vw, 104px);
  letter-spacing: -0.045em;
}

.case-soda .quest-title {
  font-size: clamp(50px, 6.85vw, 98px);
  line-height: 0.96;
}

.case-playground .quest-title,
.case-abex .quest-title {
  font-size: clamp(50px, 6.65vw, 92px);
  letter-spacing: -0.04em;
}

.quest-title .line > span {
  white-space: nowrap;
  animation: quest-title-css-in 0.92s cubic-bezier(0.215, 0.61, 0.355, 1) forwards;
}

.quest-title .line {
  padding-bottom: 0.12em;
  margin-bottom: -0.08em;
}

.quest-mobile-break {
  display: none;
}

.quest-title .line:nth-child(1) > span {
  animation-delay: 0.52s;
}

.quest-title .line:nth-child(2) > span {
  animation-delay: 0.62s;
}

.quest-title .line:nth-child(3) > span {
  animation-delay: 0.72s;
}

@keyframes quest-title-css-in {
  to { transform: translateY(0); }
}

.quest-meta-strip {
  position: relative;
  z-index: 3;
  display: flex;
  max-width: 780px;
  overflow: hidden;
  border: 1px solid rgba(240, 240, 234, 0.13);
  border-radius: var(--radius);
  background: rgba(8, 9, 9, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  transform: translateY(22px);
  animation: quest-meta-css-in 0.72s var(--ease) 0.9s forwards;
}

@keyframes quest-meta-css-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.quest-meta-item {
  flex: 1;
  min-width: 0;
  padding: 16px 20px;
  border-right: 1px solid rgba(240, 240, 234, 0.1);
}

.quest-meta-item:last-child {
  border-right: 0;
}

.quest-meta-item span {
  display: block;
  margin-bottom: 5px;
  color: rgba(240, 240, 234, 0.5);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.quest-meta-item strong {
  display: block;
  color: #f0f0ea;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.quest-scroll-hint {
  color: #f0f0ea;
}

.quest-scroll-hint span {
  color: rgba(240, 240, 234, 0.56);
}

.quest-scroll-hint i {
  background: rgba(240, 240, 234, 0.18);
}

.quest-scroll-hint i::after {
  background: var(--quest-accent);
}

.case-playground .quest-scroll-hint i::after,
.case-abex .quest-scroll-hint i::after {
  background: #0072ce;
}

.quest-summary {
  padding: 48px 44px;
  border-top: 1px solid var(--border);
}

.quest-summary-inner,
.quest-section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.quest-summary p {
  max-width: 1050px;
  color: var(--fg);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 300;
  line-height: 1.62;
}

.quest-section {
  padding: 100px 44px;
  border-top: 1px solid var(--border);
}

:is(.case-playground, .case-abex) .abot-emojis-section .quest-section-inner {
  position: relative;
}

:is(.case-playground, .case-abex) .abot-emojis-section {
  --quest-accent: #0072ce;
  --quest-accent-2: #58adff;
}

:is(.case-playground, .case-abex) .abot-emoji-float {
  position: absolute;
  top: -10px;
  right: 0;
  z-index: 2;
  width: 144px;
  height: 144px;
  object-fit: contain;
  pointer-events: none;
  transform-origin: 50% 58%;
  transform: rotate(6deg);
  animation: abot-emoji-shake 1.85s linear infinite;
  will-change: transform;
}

:is(.case-playground, .case-abex) .abot-emojis-section .quest-task-grid {
  margin-top: 96px;
}

:is(.case-playground, .case-abex) .abot-emojis-section .quest-task {
  display: grid;
  grid-template-rows: auto 42px auto minmax(74px, 1fr) auto;
  align-items: start;
  min-height: 258px;
  padding: 28px;
  background:
    radial-gradient(circle at 88% 12%, rgba(0, 114, 206, 0.14), transparent 32%),
    var(--quest-panel);
}

:is(.case-playground, .case-abex) .abot-emojis-section .quest-task b {
  margin-bottom: 18px;
}

:is(.case-playground, .case-abex) .abot-emojis-section .quest-task i {
  overflow: visible;
  margin-top: 0;
  border-radius: 0;
  background: transparent;
  color: inherit;
}

:is(.case-playground, .case-abex) .abot-emojis-section .quest-task h3 {
  margin: 18px 0 0;
  line-height: 1.2;
}

:is(.case-playground, .case-abex) .abot-emojis-section .quest-task p {
  margin: 10px 0 0;
  max-width: 30em;
}

:is(.case-playground, .case-abex) .abot-emojis-section .quest-task span {
  align-self: end;
  margin-top: 18px;
}

:is(.case-playground, .case-abex) .abot-emojis-section .quest-task i img {
  display: block;
  width: 42px;
  height: 42px;
  object-fit: contain;
  filter: drop-shadow(0 8px 14px rgba(0, 0, 0, 0.24));
}

@keyframes abot-emoji-shake {
  0%, 24%, 100% { transform: translate3d(0, 0, 0) rotate(6deg); }
  32% { transform: translate3d(-1px, 0, 0) rotate(4.8deg); }
  38% { transform: translate3d(2px, 0, 0) rotate(8.2deg); }
  43% { transform: translate3d(-4px, 0, 0) rotate(2.8deg); }
  47% { transform: translate3d(5px, 0, 0) rotate(10deg); }
  50.5% { transform: translate3d(-6px, 0, 0) rotate(1.8deg); }
  53.5% { transform: translate3d(6px, 0, 0) rotate(10.4deg); }
  56% { transform: translate3d(-4px, 0, 0) rotate(3.4deg); }
  59% { transform: translate3d(3px, 0, 0) rotate(8.4deg); }
  64% { transform: translate3d(-2px, 0, 0) rotate(4.8deg); }
  72% { transform: translate3d(1px, 0, 0) rotate(6.8deg); }
  82%, 100% { transform: translate3d(0, 0, 0) rotate(6deg); }
}

.quest-section-label,
.quest-subtitle {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.quest-section-title {
  max-width: 840px;
  margin-bottom: 34px;
  font-size: clamp(34px, 4.9vw, 66px);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.quest-copy {
  max-width: 690px;
}

.quest-copy p {
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 17px;
  font-weight: 300;
  line-height: 1.72;
}

.quest-copy p:last-child {
  margin-bottom: 0;
}

.case-soda .soda-highlight-section .quest-copy + .quest-task-grid {
  margin-top: 56px;
}

:is(.case-playground, .case-abex) .highlight-design-section .quest-copy + .quest-task-grid {
  margin-top: 36px;
}

:is(.case-playground, .case-abex) .reward-model-viewer {
  position: relative;
  display: grid;
  place-items: center;
  width: min(800px, 100%);
  height: 800px;
  margin: 20px auto 0;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
}

:is(.case-playground, .case-abex) .reward-spline-viewer {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: transparent;
}

:is(.case-playground, .case-abex) .project-overview-section .quest-section-title {
  max-width: 920px;
}

:is(.case-playground, .case-abex) .overview-brief-grid,
:is(.case-playground, .case-abex) .overview-foundation-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(36px, 6vw, 86px);
}

:is(.case-playground, .case-abex) .overview-brief-grid {
  max-width: 1120px;
  margin-top: 52px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

:is(.case-playground, .case-abex) .overview-brief-card,
:is(.case-playground, .case-abex) .overview-foundation-grid article {
  border: 0;
  border-radius: 0;
  background: transparent;
}

:is(.case-playground, .case-abex) .overview-brief-card {
  padding: 0;
}

:is(.case-playground, .case-abex) .overview-brief-card span,
:is(.case-playground, .case-abex) .overview-foundation-grid span {
  display: block;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

:is(.case-playground, .case-abex) .overview-brief-card p,
:is(.case-playground, .case-abex) .overview-foundation-grid p {
  margin: 0;
  color: var(--muted);
  font-weight: 300;
  line-height: 1.68;
}

:is(.case-playground, .case-abex) .overview-brief-card p {
  color: color-mix(in srgb, var(--fg) 82%, var(--muted));
  font-size: clamp(19px, 2vw, 24px);
  line-height: 1.5;
  letter-spacing: -0.01em;
}

:is(.case-playground, .case-abex) .overview-foundation-grid p {
  font-size: 15px;
}

:is(.case-playground, .case-abex) .overview-foundation-grid {
  margin-bottom: 34px;
}

:is(.case-playground, .case-abex) .overview-foundation-grid article {
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

:is(.case-playground, .case-abex) .overview-foundation-grid h3 {
  margin: 0 0 10px;
  color: var(--fg);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

:is(.case-playground, .case-abex) .visual-foundation-gallery {
  margin-top: 34px;
  background: transparent;
}

:is(.case-playground, .case-abex) .visual-foundation-gallery .badge-gallery-track {
  gap: 24px;
}

:is(.case-playground, .case-abex) .visual-foundation-gallery .badge-gallery-card {
  width: calc(240px * 16 / 9);
  height: 240px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
}

:is(.case-playground, .case-abex) .visual-foundation-gallery .badge-gallery-card img {
  position: absolute;
  inset: 0;
  width: 100% !important;
  max-width: none;
  height: 100% !important;
  object-fit: cover;
}

.quest-two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.82fr);
  gap: 56px;
  align-items: start;
}

.quest-chart-card,
.quest-card,
.quest-task,
.quest-token-table,
.badge-samples,
:is(.case-playground, .case-abex) .design-system-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--quest-panel);
}

.quest-chart-card {
  padding: 28px;
  background:
    radial-gradient(circle at 80% 18%, rgba(255, 255, 255, 0.035), transparent 34%),
    var(--quest-panel);
}

.quest-chart-card > span,
.quest-card > span,
.quest-task b,
.quest-token-table div:first-child,
.badge-samples > span {
  display: block;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.quest-chart-card p {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.release-evolution {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
  gap: 16px;
  margin: 30px 0 20px;
  padding-top: 12px;
}

.release-evolution::before {
  content: "";
  position: absolute;
  top: 58px;
  right: 17%;
  left: 17%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 224, 228, 0.34), transparent);
}

.release-step {
  position: relative;
  display: grid;
  grid-template-rows: 96px minmax(104px, 1fr);
  align-items: start;
  justify-items: center;
  gap: 22px;
  height: 100%;
  min-width: 0;
}

.release-medallion {
  position: relative;
  display: grid;
  width: 96px;
  aspect-ratio: 1;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 28px;
  background:
    radial-gradient(circle at 36% 30%, rgba(255, 255, 255, 0.72), transparent 29%),
    linear-gradient(145deg, #f6f7f5 0%, #d8dbd8 36%, #a4aaa7 72%, #8d938f 100%);
  box-shadow:
    inset 0 2px 4px rgba(255, 255, 255, 0.82),
    inset 0 -10px 18px rgba(0, 0, 0, 0.13),
    inset -10px -12px 24px rgba(65, 69, 66, 0.11),
    0 18px 34px rgba(0, 0, 0, 0.26);
}

.release-medallion::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.44), transparent 38%),
    linear-gradient(0deg, rgba(0, 0, 0, 0.12), transparent 44%);
  pointer-events: none;
}

.release-medallion::after {
  content: "";
  position: absolute;
  right: 8px;
  bottom: 8px;
  left: 8px;
  height: 22px;
  z-index: 1;
  border-radius: 0 0 20px 20px;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.12));
  opacity: 0.55;
  pointer-events: none;
}

.release-medallion span {
  position: relative;
  z-index: 2;
  color: rgba(16, 18, 17, 0.9);
  font-family: "Syne", sans-serif;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0;
  text-shadow:
    0 1px 1px rgba(255, 255, 255, 0.78),
    0 -1px 1px rgba(0, 0, 0, 0.2),
    0 3px 4px rgba(0, 0, 0, 0.18);
}

.release-step:nth-child(2) .release-medallion {
  background:
    radial-gradient(circle at 36% 30%, rgba(255, 255, 255, 0.76), transparent 29%),
    linear-gradient(145deg, #fbfbf9 0%, #e0e3df 36%, #aab0ad 72%, #969c98 100%);
}

.release-step:nth-child(3) .release-medallion {
  background:
    radial-gradient(circle at 36% 30%, rgba(255, 255, 255, 0.8), transparent 29%),
    linear-gradient(145deg, #ffffff 0%, #e8ebe7 36%, #b6bdb9 72%, #9da39f 100%);
  box-shadow:
    inset 0 2px 4px rgba(255, 255, 255, 0.86),
    inset 0 -10px 18px rgba(0, 0, 0, 0.12),
    inset -10px -12px 24px rgba(65, 69, 66, 0.1),
    0 20px 38px rgba(0, 0, 0, 0.28);
}

.release-step p {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
  min-height: 104px;
  height: 100%;
  margin: 0;
  padding: 14px 12px 16px;
  border: 1px solid rgba(212, 224, 228, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  text-align: left;
}

.release-step strong {
  display: block;
  color: var(--fg);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.1;
}

.release-step p span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.42;
}

.quest-quote {
  padding: 34px 36px;
  border-left: 3px solid var(--quest-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--quest-panel);
}

.quest-quote p {
  color: var(--fg);
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.32;
}

.quest-research-grid,
.quest-stakeholder-grid,
.quest-task-grid,
.quest-demo-grid,
.quest-metrics,
.quest-lesson-list {
  display: grid;
  gap: 16px;
}

.quest-research-grid,
.quest-task-grid,
.quest-demo-grid,
.quest-metrics,
.quest-lesson-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.quest-stakeholder-grid,
.quest-system-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.quest-card {
  padding: 26px;
}

.quest-card h3,
.quest-task h3,
.quest-lesson-list h3 {
  margin: 12px 0 9px;
  color: var(--fg);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.quest-card p,
.quest-task p,
.quest-lesson-list p,
.badge-samples p {
  color: var(--muted);
  font-size: 13px;
  font-weight: 300;
  line-height: 1.6;
}

.quest-research-visual {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 28px;
  align-items: center;
  margin-top: 42px;
}

.research-board {
  min-height: 260px;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 72% 24%, rgba(39, 211, 111, 0.22), transparent 30%),
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 20%, var(--bg2)), var(--quest-deep));
}

.research-board span {
  position: absolute;
  top: 24px;
  left: 24px;
  color: rgba(240, 240, 234, 0.62);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.research-board i {
  position: absolute;
  width: 120px;
  height: 72px;
  border: 1px solid rgba(240, 240, 234, 0.16);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
}

.research-board i:nth-child(2) { left: 15%; top: 34%; }
.research-board i:nth-child(3) { left: 38%; top: 22%; }
.research-board i:nth-child(4) { left: 58%; top: 48%; }
.research-board i:nth-child(5) { left: 29%; top: 63%; }
.research-board i:nth-child(6) { left: 72%; top: 18%; }

.quest-research-visual p {
  color: var(--muted);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.7;
}

.quest-task {
  padding: 26px;
}

.quest-task i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-top: 18px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--quest-accent) 16%, transparent);
  color: var(--quest-accent);
  font-size: 12px;
  font-style: normal;
  font-weight: 700;
}

.quest-task span {
  display: inline-flex;
  width: max-content;
  margin-top: 16px;
  padding: 5px 12px;
  border: 1px solid color-mix(in srgb, var(--quest-accent) 28%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--quest-accent) 10%, transparent);
  color: var(--quest-accent);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.quest-task-reward {
  background:
    radial-gradient(circle at 86% 16%, rgba(39, 211, 111, 0.24), transparent 30%),
    var(--quest-panel);
}

:is(.case-playground, .case-abex) .role-scope-section,
:is(.case-playground, .case-abex) .highlight-design-section {
  --quest-accent: #0072ce;
  --quest-accent-2: #58adff;
}

:is(.case-playground, .case-abex) .role-scope-section .quest-task,
:is(.case-playground, .case-abex) .highlight-design-section .quest-task {
  display: grid;
  grid-template-rows: auto 32px auto minmax(66px, 1fr) auto;
  align-items: start;
  min-height: 280px;
  background:
    radial-gradient(circle at 88% 12%, rgba(0, 114, 206, 0.12), transparent 32%),
    var(--quest-panel);
}

:is(.case-playground, .case-abex) .role-scope-section .quest-task b,
:is(.case-playground, .case-abex) .highlight-design-section .quest-task b {
  margin-bottom: 18px;
}

:is(.case-playground, .case-abex) .role-scope-section .quest-task i,
:is(.case-playground, .case-abex) .highlight-design-section .quest-task i {
  justify-self: start;
  min-width: 48px;
  height: 32px;
  margin-top: 0;
  padding: 0 14px;
  border-radius: 8px;
  background: #0072ce;
  color: #fff;
  font-size: 11px;
  letter-spacing: 0;
}

:is(.case-playground, .case-abex) .role-scope-section .quest-task h3,
:is(.case-playground, .case-abex) .highlight-design-section .quest-task h3 {
  margin: 16px 0 0;
  line-height: 1.2;
}

:is(.case-playground, .case-abex) .role-scope-section .quest-task p,
:is(.case-playground, .case-abex) .highlight-design-section .quest-task p {
  margin: 10px 0 0;
}

:is(.case-playground, .case-abex) .role-scope-section .quest-task span,
:is(.case-playground, .case-abex) .highlight-design-section .quest-task span {
  align-self: end;
  margin-top: 18px;
  border-color: color-mix(in srgb, #0072ce 38%, transparent);
  background: color-mix(in srgb, #0072ce 12%, transparent);
  color: #58adff;
}

:is(.case-playground, .case-abex) .role-scope-section .quest-task-reward,
:is(.case-playground, .case-abex) .highlight-design-section .quest-task-reward {
  background:
    radial-gradient(circle at 88% 12%, rgba(0, 114, 206, 0.12), transparent 32%),
    var(--quest-panel);
}

:is(.case-playground, .case-abex) .outcome-reflection-section {
  --quest-accent: #0072ce;
  --quest-accent-2: #58adff;
}

:is(.case-playground, .case-abex) .outcome-reflection-section .quest-metrics {
  align-items: stretch;
  gap: 0;
}

:is(.case-playground, .case-abex) .outcome-reflection-section .quest-metrics article {
  display: flex;
  min-width: 0;
  min-height: 250px;
  flex-direction: column;
  justify-content: center;
  border-color: color-mix(in srgb, #0072ce 20%, transparent);
}

:is(.case-playground, .case-abex) .outcome-reflection-section .quest-metrics strong {
  max-width: 100%;
  color: #0072ce;
  font-size: clamp(42px, 5vw, 68px);
  letter-spacing: -0.045em;
  overflow-wrap: normal;
}

:is(.case-playground, .case-abex) .outcome-reflection-section .quest-metrics span {
  max-width: 240px;
}

:is(.case-playground, .case-abex) .outcome-reflection-section .quest-lesson-list article {
  border-color: color-mix(in srgb, #0072ce 20%, transparent);
}

:is(.case-playground, .case-abex) .outcome-reflection-section .quest-lesson-list span {
  color: #0072ce;
}

.quest-subsection {
  margin-top: 68px;
}

.ui-scroll-stack-wrap {
  margin-top: 72px;
}

.ui-scroll-stack {
  --stack-top: 35vh;
  --stack-base-scale: 0.8;
  --stack-gap: 48px;
  position: relative;
  margin-top: 18px;
  min-height: 760px;
}

.ui-stack-stage {
  position: sticky;
  top: var(--stack-top);
  width: min(100%, calc((100vh - var(--stack-top) - 96px) * 1.6));
  margin-inline: auto;
  aspect-ratio: 16 / 10;
  overflow: visible;
}

.ui-stack-card {
  --stack-scale: 1;
  --stack-y: 0px;
  --stack-opacity: 1;
  position: absolute;
  inset: 0;
  z-index: var(--stack-z, 1);
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--quest-panel);
  opacity: var(--stack-opacity);
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.24);
  transform: translate3d(0, var(--stack-y), 0) scale(var(--stack-scale));
  transform-origin: center top;
  transition: border-color 0.28s ease, box-shadow 0.28s ease;
  will-change: transform;
}

.ui-stack-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.32);
}

.case-playground .ui-scroll-stack .ui-stack-card,
.case-abex .ui-scroll-stack .ui-stack-card {
  border-color: color-mix(in srgb, currentColor 20%, transparent);
}

.case-soda .ui-scroll-stack .ui-stack-card {
  border-color: color-mix(in srgb, currentColor 20%, transparent);
}

.case-playground .ui-scroll-stack .ui-stack-card:hover,
.case-abex .ui-scroll-stack .ui-stack-card:hover {
  border-color: color-mix(in srgb, currentColor 20%, transparent);
}

.case-soda .ui-scroll-stack .ui-stack-card:hover {
  border-color: color-mix(in srgb, currentColor 20%, transparent);
}

.ui-stack-visual {
  position: relative;
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
}

.ui-stack-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.badge-gallery {
  position: relative;
  overflow: hidden;
  margin-inline: -8px;
  padding: 8px 0 14px;
  cursor: grab;
  touch-action: pan-y;
}

.badge-gallery.is-dragging {
  cursor: grabbing;
}

.badge-gallery::before,
.badge-gallery::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 2;
  width: min(96px, 10vw);
  pointer-events: none;
}

.badge-gallery::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg), transparent);
}

.badge-gallery::after {
  right: 0;
  background: linear-gradient(270deg, var(--bg), transparent);
}

.badge-gallery-viewport {
  overflow: hidden;
  width: 100%;
}

.badge-gallery-track {
  display: flex;
  gap: 18px;
  width: max-content;
  will-change: transform;
  user-select: none;
}

.badge-gallery-card {
  position: relative;
  display: grid;
  width: 240px;
  height: 240px;
  flex: 0 0 auto;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transform: none;
  transition: opacity 0.28s ease;
}

.badge-gallery-card img {
  display: block;
  width: min(100%, 218px);
  height: min(100%, 218px);
  object-fit: contain;
  object-position: center;
  pointer-events: none;
  user-select: none;
}

.badge-gallery-card.is-active,
.badge-gallery-card:hover {
  transform: none;
}

:is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery {
  --abot-gallery-card: 240px;
  --abot-gallery-emoji: 144px;
  --abot-gallery-gap: 22px;
  margin-inline: 0;
  padding: 0;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: url("assets/cases/abex/abot-back.jpg") center / cover no-repeat;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.26);
}

:is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery::before,
:is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery::after {
  display: block;
  top: 50%;
  bottom: auto;
  width: min(160px, 12vw);
  height: min(280px, 46%);
  transform: translateY(-50%);
}

:is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery::before {
  background: linear-gradient(90deg, rgba(84, 99, 239, 0.96), rgba(84, 99, 239, 0));
}

:is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery::after {
  background: linear-gradient(270deg, rgba(84, 99, 239, 0.96), rgba(84, 99, 239, 0));
}

:is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery-viewport {
  height: 100%;
  display: flex;
  align-items: center;
}

:is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery-track {
  align-items: center;
  gap: var(--abot-gallery-gap);
}

:is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery-card {
  z-index: 1;
  width: var(--abot-gallery-card);
  height: var(--abot-gallery-card);
  padding: 0;
  transition: z-index 0s step-end, opacity 0.28s ease;
}

:is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery-card img {
  width: var(--abot-gallery-emoji);
  height: var(--abot-gallery-emoji);
  transition: transform 0.32s cubic-bezier(0.2, 0.9, 0.22, 1.2);
}

:is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery-card:hover {
  z-index: 3;
}

:is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery-card:hover img {
  transform: scale(1.2);
}

.badge-gallery.is-static .badge-gallery-viewport {
  overflow-x: auto;
}

.badge-gallery.is-static .badge-gallery-track {
  transform: none !important;
}

.quest-phone-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.quest-phone-card,
.motion-phone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.mini-phone,
.motion-screen {
  position: relative;
  width: 100%;
  max-width: 214px;
  aspect-ratio: 9 / 19.4;
  overflow: hidden;
  border: 8px solid #0b0c0d;
  border-radius: 34px;
  background: #f8f8f4;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.28);
}

.mini-phone::before,
.motion-screen::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 50%;
  z-index: 3;
  width: 72px;
  height: 22px;
  border-radius: 999px;
  background: #050505;
  transform: translateX(-50%);
}

.mini-phone::after,
.motion-screen::after {
  content: "";
  position: absolute;
  inset: 58px 18px auto;
  height: 132px;
  border-radius: 22px;
  background:
    linear-gradient(90deg, var(--quest-accent) 0 16%, rgba(255, 255, 255, 0.22) 16% 100%) 22px 58px / calc(100% - 44px) 8px no-repeat,
    repeating-linear-gradient(180deg, transparent 0 30px, rgba(255, 255, 255, 0.16) 30px 32px),
    #0d3b22;
}

.map-state {
  background:
    radial-gradient(circle at 36% 22%, #43e88a 0 5px, transparent 6px),
    radial-gradient(circle at 64% 32%, #43e88a 0 5px, transparent 6px),
    radial-gradient(circle at 28% 46%, #43e88a 0 5px, transparent 6px),
    radial-gradient(circle at 70% 56%, #43e88a 0 5px, transparent 6px),
    linear-gradient(180deg, transparent 0 62%, #fff 62% 100%),
    #eef2ef;
}

.map-state::after {
  inset: 47% 0 auto auto;
  width: 72px;
  height: 92px;
  border-radius: 20px 0 0 20px;
  background: #0d3b22;
}

.quest-new-state::after {
  box-shadow: 0 180px 0 16px #f3d2a2;
}

.quest-progress-state::after {
  background:
    linear-gradient(90deg, var(--quest-accent) 0 56%, rgba(255, 255, 255, 0.22) 56% 100%) 22px 58px / calc(100% - 44px) 8px no-repeat,
    repeating-linear-gradient(180deg, transparent 0 30px, rgba(255, 255, 255, 0.16) 30px 32px),
    #0d3b22;
}

.quest-complete-state::after {
  background:
    linear-gradient(90deg, var(--quest-accent) 0 100%, rgba(255, 255, 255, 0.22) 100%) 22px 58px / calc(100% - 44px) 8px no-repeat,
    repeating-linear-gradient(180deg, transparent 0 30px, rgba(255, 255, 255, 0.16) 30px 32px),
    #0d3b22;
}

.celebration-state {
  background:
    radial-gradient(circle at 50% 42%, var(--quest-accent) 0 44px, transparent 45px),
    radial-gradient(circle at 26% 24%, #f5a524 0 5px, transparent 6px),
    radial-gradient(circle at 76% 30%, #64c7ff 0 5px, transparent 6px),
    radial-gradient(circle at 65% 65%, #ff9f43 0 5px, transparent 6px),
    #0d3b22;
}

.celebration-state::after {
  inset: auto 26px 54px;
  height: 54px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.12);
}

.quest-phone-card figcaption,
.motion-phone figcaption {
  max-width: 220px;
  color: var(--muted);
  text-align: center;
  font-size: 11px;
  line-height: 1.45;
}

.quest-system-grid {
  align-items: stretch;
}

.quest-token-table {
  overflow: hidden;
}

.vi-system-copy {
  margin-bottom: 26px;
}

.vi-system-copy h3 {
  margin: 28px 0 8px;
  color: var(--fg);
  font-size: 16px;
  font-weight: 800;
  line-height: 1.25;
}

.vi-system-copy h3:first-child {
  margin-top: 0;
}

.vi-system-copy p {
  margin: 0;
}

.vi-system-grid {
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.8fr);
  align-items: center;
}

.vi-system-panel {
  position: relative;
  min-height: 0;
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--quest-panel);
}

.vi-system-panel-brand {
  aspect-ratio: 1104 / 900;
}

.vi-system-panel-extension {
  aspect-ratio: 2100 / 900;
}

.vi-system-panel img {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  object-fit: cover;
  object-position: center;
}

.vi-liquid-visual,
.vi-extension-visual {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.vi-liquid-visual {
  background:
    radial-gradient(circle at 20% 24%, rgba(69, 234, 131, 0.26), transparent 22%),
    radial-gradient(circle at 72% 16%, rgba(69, 234, 131, 0.16), transparent 18%),
    linear-gradient(145deg, rgba(69, 234, 131, 0.13), rgba(255, 255, 255, 0));
}

.vi-liquid-visual::before {
  content: "";
  position: absolute;
  right: -22%;
  bottom: -34%;
  width: 76%;
  aspect-ratio: 1;
  border-radius: 44% 56% 50% 50%;
  background: linear-gradient(140deg, rgba(40, 220, 126, 0.62), rgba(4, 65, 42, 0.1));
  transform: rotate(-18deg);
}

.vi-liquid-visual i {
  position: absolute;
  display: block;
  width: 10px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(69, 234, 131, 0.78);
}

.vi-liquid-visual i:nth-child(1) { left: 20%; top: 26%; }
.vi-liquid-visual i:nth-child(2) { left: 36%; top: 18%; width: 7px; opacity: 0.62; }
.vi-liquid-visual i:nth-child(3) { right: 28%; top: 34%; width: 14px; opacity: 0.5; }
.vi-liquid-visual i:nth-child(4) { right: 18%; top: 19%; width: 8px; opacity: 0.72; }
.vi-liquid-visual i:nth-child(5) { left: 58%; top: 52%; width: 6px; opacity: 0.58; }

.vi-extension-visual {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  opacity: 0.9;
}

.vi-extension-visual i {
  min-width: 0;
  background:
    radial-gradient(circle at 50% 28%, rgba(255, 255, 255, 0.28), transparent 28%),
    linear-gradient(180deg, var(--tone-a), var(--tone-b));
}

.vi-tone-green {
  --tone-a: #42e987;
  --tone-b: #063c29;
}

.vi-tone-silver {
  --tone-a: #f2f5f4;
  --tone-b: #9ca7ad;
}

.vi-tone-purple {
  --tone-a: #9f78ff;
  --tone-b: #241345;
}

.quest-token-table div {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 1fr;
  gap: 18px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--border);
}

.quest-token-table div:last-child {
  border-bottom: 0;
}

.quest-token-table span {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.quest-token-table div:first-child span {
  color: var(--fg);
  font-size: 10px;
}

.swatch,
.badge-samples i {
  display: inline-flex;
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
  border-radius: 50%;
}

.green { background: #45ea83; }
.deep-green { background: #045f3d; }
.mint { background: #86f5cb; }
.blue { background: #1d9bf0; }
.orange { background: #ff8a1f; }
.gray { background: #b4b8b5; }
.yellow { background: #f5d023; }
.silver { background: #dce2e3; }
.purple { background: #8f3ffc; }
.gold { background: #d8c06a; }

.case-playground .abex-blue { background: #0072ce; }
.case-playground .abex-surface { background: #ffffff; }
.case-playground .abex-shell { background: #f1f2f4; }
.case-playground .abex-ink { background: #111318; }
.case-playground .abex-success { background: #10c982; }
.case-playground .abex-guide { background: #ffa726; }

.case-abex .abex-blue { background: #0072ce; }
.case-abex .abex-surface { background: #ffffff; }
.case-abex .abex-shell { background: #f1f2f4; }
.case-abex .abex-ink { background: #111318; }
.case-abex .abex-success { background: #10c982; }
.case-abex .abex-guide { background: #ffa726; }

.case-playground .swatch,
.case-abex .swatch,
.case-playground .badge-samples i,
.case-abex .badge-samples i,
.case-playground .design-palette-dot,
.case-abex .design-palette-dot,
.case-playground .design-token-swatch,
.case-abex .design-token-swatch {
  box-shadow:
    inset 0 0 0 0.5px rgba(255, 255, 255, 0.48),
    0 0 0 0.5px rgba(0, 0, 0, 0.34);
}

:is(.case-playground, .case-abex) .design-system-card {
  grid-column: 1 / -1;
  padding: 44px;
}

:is(.case-playground, .case-abex) .design-system-intro {
  max-width: 820px;
}

:is(.case-playground, .case-abex) .design-system-intro > span {
  display: block;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

:is(.case-playground, .case-abex) .design-system-intro h3 {
  margin-top: 18px;
  color: var(--fg);
  font-size: 44px;
  font-weight: 400;
  line-height: 1.06;
}

:is(.case-playground, .case-abex) .design-system-intro p {
  max-width: 760px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.72;
}

:is(.case-playground, .case-abex) .design-palette-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 40px 0 34px;
}

:is(.case-playground, .case-abex) .design-palette-dot {
  display: inline-flex;
  width: 58px;
  height: 58px;
  flex: 0 0 auto;
  border-radius: 50%;
}

:is(.case-playground, .case-abex) .design-token-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px 42px;
}

:is(.case-playground, .case-abex) .design-token {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 7px 12px;
  align-items: start;
}

:is(.case-playground, .case-abex) .design-token-swatch {
  display: inline-flex;
  width: 12px;
  height: 12px;
  margin-top: 5px;
  border-radius: 50%;
  grid-row: 1 / span 2;
}

:is(.case-playground, .case-abex) .design-token strong {
  color: var(--fg);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.35;
}

:is(.case-playground, .case-abex) .design-token span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.badge-samples {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 32px;
}

.badge-samples div {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 26px 0;
}

.badge-samples i {
  width: 54px;
  height: 54px;
  border-radius: 44% 56% 50% 50%;
  box-shadow: inset 0 -8px 16px rgba(0, 0, 0, 0.12);
}

.motion-screen {
  max-width: 260px;
}

.preferences-motion::after {
  inset: 96px 28px auto;
  height: 42px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--quest-accent) 22%, #fff);
  animation: preference-choice 2.8s ease infinite;
}

.progress-motion::after {
  background:
    linear-gradient(90deg, var(--quest-accent) 0 26%, rgba(255, 255, 255, 0.2) 26% 100%) 22px 58px / calc(100% - 44px) 8px no-repeat,
    repeating-linear-gradient(180deg, transparent 0 30px, rgba(255, 255, 255, 0.16) 30px 32px),
    #0d3b22;
  animation: progress-fill 3s ease infinite;
}

.badge-motion {
  background:
    radial-gradient(circle at 50% 42%, var(--quest-accent) 0 36px, transparent 37px),
    #0d3b22;
}

.badge-motion::after {
  inset: 78px 22px auto;
  height: 150px;
  border-radius: 24px;
  background:
    radial-gradient(circle at 18% 22%, #f5d023 0 4px, transparent 5px),
    radial-gradient(circle at 72% 18%, #64c7ff 0 4px, transparent 5px),
    radial-gradient(circle at 48% 10%, #ff8a1f 0 4px, transparent 5px);
  animation: confetti-fall 2.2s ease infinite;
}

@keyframes preference-choice {
  0%, 100% { transform: translateY(0); box-shadow: 0 70px 0 rgba(255, 255, 255, 0.88), 0 140px 0 rgba(255, 255, 255, 0.88); }
  50% { transform: translateY(70px); box-shadow: 0 70px 0 color-mix(in srgb, var(--quest-accent) 22%, #fff), 0 140px 0 rgba(255, 255, 255, 0.88); }
}

@keyframes progress-fill {
  0%, 100% { clip-path: inset(0 72% 0 0); }
  50% { clip-path: inset(0 10% 0 0); }
}

@keyframes confetti-fall {
  0% { transform: translateY(-20px); opacity: 0; }
  25%, 75% { opacity: 1; }
  100% { transform: translateY(80px); opacity: 0; }
}

.quest-metrics {
  margin-top: 54px;
}

.quest-metrics article {
  padding: 40px 32px;
  border-right: 1px solid var(--border);
  text-align: center;
}

.quest-metrics article:last-child {
  border-right: 0;
}

.quest-metrics strong {
  display: block;
  margin-bottom: 10px;
  color: var(--quest-accent);
  font-size: clamp(46px, 6vw, 78px);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.95;
}

.quest-metrics span {
  display: block;
  max-width: 260px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.quest-lesson-list {
  margin-top: 48px;
}

.quest-lesson-list article {
  padding: 24px 0;
  border-top: 1px solid var(--border);
}

.quest-lesson-list span {
  color: var(--quest-accent);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.quest-next {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: 80px;
  padding: 80px 44px;
  border-top: 1px solid var(--border);
  background: var(--bg2);
  transition: background 0.28s ease;
}

.quest-next:hover {
  background: var(--bg);
}

.quest-next span {
  display: block;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.quest-next strong {
  display: block;
  font-size: clamp(42px, 6vw, 86px);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 0.92;
  transition: color 0.28s ease;
}

.quest-next p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.quest-next i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  flex: 0 0 auto;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--fg);
  transition: transform 0.34s ease, background 0.34s ease, border-color 0.34s ease, color 0.34s ease;
}

.quest-next:hover strong {
  color: var(--quest-accent);
}

.quest-next:hover i {
  border-color: var(--quest-accent);
  background: var(--quest-accent);
  color: #fff;
  transform: rotate(45deg);
}

.quest-footer {
  padding: 24px 44px;
  border-top: 1px solid var(--border);
}

.quest-footer p {
  color: var(--muted);
  text-align: center;
  font-size: 12px;
}

@media (max-width: 900px) {
  nav {
    padding: 18px 24px;
  }

  nav.scrolled {
    top: 12px;
    left: 16px;
    right: 16px;
    padding: 12px;
  }

  .nav-links {
    display: none;
  }

  .nav-logo-mark {
    width: 85px;
    height: 11px;
  }

  .hero {
    padding: 128px 24px max(176px, calc(176px + env(safe-area-inset-bottom)));
  }

  .hero-content {
    width: 100%;
  }

  .hero-title {
    max-width: 100%;
  }

  .hero-bottom {
    display: block;
  }

  .hero-pills {
    left: 24px;
    right: auto;
    bottom: max(92px, calc(92px + env(safe-area-inset-bottom)));
    align-items: flex-start;
    max-width: calc(100vw - 48px);
  }

  .scroll-hint {
    top: auto;
    right: 24px;
    bottom: max(92px, calc(92px + env(safe-area-inset-bottom)));
  }

  .section {
    padding: 80px 24px;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .project-hobby-subsection {
    margin-top: 136px;
    padding-top: 0;
  }

  .project-card {
    grid-template-columns: 1fr;
  }

  .project-visual {
    order: -1;
    min-height: 250px;
  }

  .expo-credit-roll {
    right: 12%;
    left: 12%;
    gap: 18px;
  }

  .expo-credit-roll p:not(.expo-credit-title) {
    grid-template-columns: 1fr;
    gap: 6px;
    max-width: 320px;
    align-items: center;
    text-align: center;
  }

  .soda-card-visual {
    min-height: clamp(250px, 34vw, 320px);
  }

  .case-main {
    padding: 104px 24px 64px;
  }

  .case-hero {
    padding-bottom: 48px;
  }

  .case-lede,
  .case-hero-grid,
  .case-story-section {
    grid-template-columns: 1fr;
  }

  .case-lede {
    gap: 18px;
    margin-bottom: 34px;
  }

  .case-number,
  .case-story-index {
    font-size: 14px;
  }

  .case-visual {
    order: -1;
    min-height: 320px;
  }

  .case-story-section {
    gap: 20px;
    padding: 56px 0;
  }

  .case-impact,
  .case-next {
    padding: 28px 24px;
  }

  .case-impact {
    margin: 0 -24px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hobby-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .hobby-copy {
    gap: 28px;
  }

  .hobby-choice.is-active {
    transform: none;
  }

  .hobby-choice {
    gap: 12px;
  }

  .hobby-choice-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
  }

  .hobby-gallery {
    min-height: 420px;
  }

  .contact-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-thanks {
    font-size: clamp(48px, 10vw, 90px);
  }

  .contact-cta {
    font-size: clamp(44px, 9vw, 72px);
  }

  .mail-icon {
    width: clamp(36px, 6.6vw, 58px);
    height: clamp(36px, 6.6vw, 58px);
  }
}

@media (max-width: 520px) {
  .hero-title {
    font-size: 46px;
    letter-spacing: -0.045em;
  }

  .section-title {
    font-size: 14vw;
  }

  .project-info {
    padding: 28px 24px;
  }

  .project-main h3 {
    font-size: clamp(34px, 10vw, 46px);
  }

  .case-title {
    font-size: 17vw;
  }

  .case-summary {
    font-size: 17px;
  }

  .case-story-content h2 {
    font-size: 12vw;
  }

  .case-next {
    flex-direction: column;
    align-items: flex-start;
  }

  .case-next strong {
    text-align: left;
  }

  .metrics {
    gap: 22px;
  }

  .contact-headline {
    font-size: 14vw;
  }

  .social-links {
    flex-wrap: wrap;
  }

  .wechat-popover {
    right: auto;
    left: 0;
    transform-origin: 0 100%;
  }
}

@media (max-width: 360px) {
  .hero-title {
    font-size: 36px;
  }
}

@media (pointer: coarse) {
  .cursor {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) and (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .hero-grid-scan-background {
    display: none;
  }

  .ui-scroll-stack {
    display: block;
    min-height: 0 !important;
    padding-bottom: 0;
  }

  .ui-stack-stage {
    position: relative;
    top: auto;
    display: grid;
    gap: 18px;
    width: 100%;
    aspect-ratio: auto;
  }

  .ui-stack-card {
    position: relative;
    inset: auto;
    top: auto;
    aspect-ratio: 16 / 10;
    margin-bottom: 18px;
    transform: none !important;
  }

  .project-carousel-image {
    opacity: 0;
    animation: none !important;
    transform: none;
  }

  .project-carousel-image:first-child {
    opacity: 1;
  }
}

@media (max-width: 900px) {
  .quest-hero {
    min-height: 100svh;
    padding: 0 24px max(48px, calc(48px + env(safe-area-inset-bottom)));
  }

  .quest-hero-cover {
    object-position: 52% center;
  }

  .quest-hero-number {
    display: none;
  }

  .quest-title {
    max-width: calc(100vw - 48px);
    font-size: clamp(36px, 9.8vw, 56px);
    letter-spacing: -0.045em;
    line-height: 0.94;
    overflow-wrap: anywhere;
  }

  :is(.case-playground, .case-abex, .case-soda) .quest-title {
    font-size: 42px;
    line-height: 0.95;
    overflow-wrap: normal;
    word-break: normal;
  }

  .quest-title .line > span {
    white-space: normal;
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  :is(.case-playground, .case-abex, .case-soda) .quest-title .line > span {
    overflow-wrap: normal;
    word-break: normal;
  }

  .quest-mobile-break {
    display: block;
  }

  .quest-title-wrap {
    margin-bottom: 34px;
  }

  .quest-meta-strip {
    flex-wrap: wrap;
  }

  .quest-meta-item {
    flex: 1 1 50%;
    border-bottom: 1px solid rgba(240, 240, 234, 0.1);
  }

  .quest-meta-item:nth-child(2n) {
    border-right: 0;
  }

  .quest-summary,
  .quest-section {
    padding: 72px 24px;
  }

  .quest-section-title {
    font-size: clamp(32px, 9vw, 52px);
  }

  :is(.case-playground, .case-abex) .abot-emoji-float {
    position: relative;
    top: auto;
    right: auto;
    display: block;
    width: min(180px, 46vw);
    height: auto;
    margin: 0 0 28px auto;
  }

  :is(.case-playground, .case-abex) .abot-emojis-section .quest-task-grid {
    margin-top: 32px;
  }

  .quest-two-col,
  :is(.case-playground, .case-abex) .overview-brief-grid,
  :is(.case-playground, .case-abex) .overview-foundation-grid,
  .quest-research-visual,
  .quest-stakeholder-grid,
  .quest-system-grid {
    grid-template-columns: 1fr;
  }

  :is(.case-playground, .case-abex) .design-system-card {
    padding: 34px;
  }

  :is(.case-playground, .case-abex) .design-system-intro h3 {
    font-size: 36px;
  }

  :is(.case-playground, .case-abex) .design-token-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ui-scroll-stack {
    min-height: 700px;
  }

  .ui-stack-stage {
    top: var(--stack-top);
    width: min(100%, calc((100vh - var(--stack-top) - 72px) * 1.6));
  }

  .ui-stack-card {
    top: auto;
  }

  .ui-stack-visual span {
    font-size: clamp(34px, 9vw, 64px);
    max-width: 86%;
  }

  .release-evolution {
    gap: 10px;
  }

  .release-medallion {
    width: 74px;
    border-radius: 22px;
  }

  .release-medallion::after {
    border-radius: 16px;
  }

  .release-medallion span {
    font-size: 15px;
  }

  .quest-research-grid,
  .quest-task-grid,
  .quest-demo-grid,
  .quest-metrics,
  .quest-lesson-list {
    grid-template-columns: 1fr;
  }

  .quest-phone-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .badge-gallery {
    margin-inline: -24px;
    padding-left: 24px;
  }

  .badge-gallery-card {
    width: min(76vw, 240px);
    height: min(76vw, 240px);
  }

  .quest-metrics article {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .quest-metrics article:last-child {
    border-bottom: 0;
  }

  .quest-next {
    margin-top: 40px;
    padding: 56px 24px;
  }

  .quest-footer {
    padding-left: 24px;
    padding-right: 24px;
  }
}

@media (max-width: 640px) {
  .quest-title {
    font-size: clamp(34px, 8.8vw, 44px);
  }

  :is(.case-playground, .case-abex, .case-soda) .quest-title {
    font-size: 42px;
  }

  .quest-nav-right {
    position: static;
    gap: 34px;
  }

  .quest-back-link {
    display: none;
  }

  .quest-page .theme-btn {
    width: auto;
    height: auto;
    justify-content: flex-start;
    padding: 8px 15px;
    background: transparent;
  }

  .quest-page .theme-btn #themeLabel {
    display: inline;
  }

  .quest-hero-cover {
    object-position: 50% center;
  }

  .quest-meta-item {
    flex-basis: 100%;
    border-right: 0;
  }

  :is(.case-playground, .case-abex) .design-system-card {
    padding: 28px 24px;
  }

  :is(.case-playground, .case-abex) .design-system-intro h3 {
    font-size: 30px;
  }

  :is(.case-playground, .case-abex) .design-palette-strip {
    gap: 12px;
    margin: 32px 0 28px;
  }

  :is(.case-playground, .case-abex) .design-palette-dot {
    width: 48px;
    height: 48px;
  }

  :is(.case-playground, .case-abex) .design-token-list {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .quest-phone-grid {
    grid-template-columns: 1fr;
  }

  .badge-gallery::before,
  .badge-gallery::after {
    width: 38px;
  }

  .badge-gallery-card {
    width: min(82vw, 240px);
    height: min(82vw, 240px);
    padding: 18px;
  }

  :is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery {
    border-radius: 20px;
  }

  .badge-gallery-card img {
    width: 92%;
    height: 92%;
  }

  .release-evolution {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .release-evolution::before {
    display: none;
  }

  .release-step {
    grid-template-columns: 74px minmax(0, 1fr);
    grid-template-rows: none;
    justify-items: stretch;
    align-items: center;
  }

  .release-step p {
    height: auto;
    min-height: 84px;
  }

  .quest-token-table {
    overflow-x: auto;
  }

  .quest-token-table div {
    min-width: 560px;
  }

  .badge-samples div {
    flex-wrap: wrap;
  }

  .quest-next {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 360px) {
  :is(.case-playground, .case-abex, .case-soda) .quest-title {
    font-size: 37px;
  }
}

@media (max-width: 900px) {
  :is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery {
    --abot-gallery-card: 190px;
    --abot-gallery-emoji: 118px;
    --abot-gallery-gap: 16px;
    aspect-ratio: 16 / 10;
    min-height: 380px;
    background-position: center;
  }

  :is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery::before,
  :is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery::after {
    width: min(72px, 12vw);
    height: 42%;
  }
}

@media (max-width: 640px) {
  :is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery {
    --abot-gallery-card: 150px;
    --abot-gallery-emoji: 96px;
    --abot-gallery-gap: 12px;
    aspect-ratio: 4 / 5;
    min-height: 420px;
    background-size: auto 100%;
    background-position: center;
  }

  :is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery::before,
  :is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery::after {
    width: 48px;
    height: 34%;
  }

  :is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery-card {
    padding: 0;
  }

  :is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery-card img {
    width: var(--abot-gallery-emoji);
    height: var(--abot-gallery-emoji);
  }
}

@media (max-width: 420px) {
  :is(.case-playground, .case-abex) .abot-emojis-section .badge-gallery {
    --abot-gallery-card: 132px;
    --abot-gallery-emoji: 84px;
    min-height: 360px;
  }
}