/* ── Design tokens (sync'd to article design system) ── */
:root {
  /* Surface — dark navy */
  --bg: #0D1117;
  --bg-soft: #161B22;
  --bg-secondary: #1A1A2E;
  --bg-card: #161B22;
  --bg-card-soft: #1A1A2E;
  --bg-nav: rgba(13, 17, 23, 0.78);
  --bg-elevated: #1f2530;

  /* Accent — coral red */
  --accent: #E94560;
  --accent-dim: rgba(233, 69, 96, 0.15);
  --accent-soft: rgba(233, 69, 96, 0.08);
  --accent-glow: rgba(233, 69, 96, 0.35);
  --accent-border: rgba(233, 69, 96, 0.2);
  --gold: #FFD700;

  /* Text */
  --text: #F0F4F8;
  --text-dim: #8B95A5;
  --text-mute: #6B7280;
  --text-on-accent: #0D1117;

  /* Borders */
  --border: #0F3460;
  --border-soft: rgba(15, 52, 96, 0.4);
  --border-card: rgba(15, 52, 96, 0.3);

  /* Shadows */
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-card-hover: 0 20px 50px rgba(233, 69, 96, 0.12), 0 6px 16px rgba(0, 0, 0, 0.4);
  --shadow-hero: 0 0 80px rgba(233, 69, 96, 0.18);
  --shadow-nav: 0 1px 0 rgba(15, 52, 96, 0.3), 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.03);

  /* Sizing */
  --nav-height: 64px;
  --content-width: 760px;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.25s var(--ease-smooth);
}

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

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

html, body { min-height: 100vh; }

body {
  background: var(--bg);
  background-image: radial-gradient(ellipse at top, #1A1A2E 0%, #0D1117 50%);
  color: var(--text);
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  line-height: 1.7;
  font-size: 16px;
  padding-top: var(--nav-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

::selection { background: var(--accent); color: var(--text-on-accent); }

/* ── Noise texture (article-matching) ────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── Bilingual toggle (CSS-driven) ──────────────────── */
[data-lang="en"] [data-lang-zh] { display: none !important; }
[data-lang="zh"] [data-lang-en] { display: none !important; }

/* ── Nav ─────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: var(--bg-nav);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  z-index: 100;
  box-shadow: var(--shadow-nav);
}

.nav-brand {
  font-family: 'Noto Serif SC', 'Fraunces', Georgia, serif;
  font-size: 19px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.nav-brand::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  box-shadow: 0 0 8px var(--accent-glow);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links {
  display: flex;
  gap: 4px;
}

.nav-link {
  padding: 8px 14px;
  border-radius: 8px;
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition), background var(--transition);
  position: relative;
  letter-spacing: 0.01em;
}

.nav-link:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

.nav-link.active {
  color: var(--accent);
  background: var(--accent-dim);
  font-weight: 600;
}

.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 2px;
  background: rgba(26, 26, 46, 0.6);
}

.lang-toggle button {
  border: none;
  background: transparent;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: all var(--transition);
}

.lang-toggle button.active {
  background: var(--accent);
  color: var(--text-on-accent);
  box-shadow: 0 2px 8px var(--accent-glow);
}

.lang-toggle button:not(.active):hover {
  color: var(--accent);
}

/* ── Main / content ──────────────────────────────────── */
main {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 64px 24px 80px;
  position: relative;
}

/* ── Hero (home) ─────────────────────────────────────── */
.hero {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  padding: 48px 0 80px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 7px 16px;
  border-radius: 3px;
  margin-bottom: 36px;
  border: 1px solid var(--accent-border);
  animation: hero-rise 0.8s var(--ease-out) both;
  font-variant-numeric: tabular-nums;
}

.hero-eyebrow::before {
  content: '';
  width: 5px;
  height: 5px;
  background: var(--accent);
  display: inline-block;
  box-shadow: 0 0 6px var(--accent-glow);
}

.hero-name {
  font-family: 'Noto Serif SC', 'Fraunces', Georgia, serif;
  font-size: clamp(64px, 13vw, 144px);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 0.95;
  margin-bottom: 36px;
  position: relative;
  animation: hero-rise 1s 0.05s var(--ease-out) both;
}

.hero-name-text {
  color: var(--text);
  display: inline-block;
  letter-spacing: 0.08em;
}

.hero-name-shadow {
  position: absolute;
  inset: 0;
  font-family: 'Noto Serif SC', 'Fraunces', Georgia, serif;
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: 0.08em;
  line-height: inherit;
  color: var(--accent);
  opacity: 0.4;
  filter: blur(50px);
  transform: translateY(20px);
  z-index: -1;
  user-select: none;
  pointer-events: none;
  white-space: nowrap;
}

.hero-tagline {
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--text-dim);
  margin-bottom: 24px;
  text-transform: uppercase;
  font-weight: 500;
  animation: hero-rise 1s 0.15s var(--ease-out) both;
}

.hero-motto {
  font-family: 'Noto Serif SC', 'Fraunces', Georgia, serif;
  font-size: clamp(20px, 2.6vw, 28px);
  font-style: normal;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 36px;
  letter-spacing: 0.04em;
  animation: hero-rise 1s 0.25s var(--ease-out) both;
  position: relative;
  padding: 0 24px;
}

.hero-motto::before,
.hero-motto::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 32px;
  height: 1px;
  background: var(--accent-border);
}

.hero-motto::before { right: 100%; }
.hero-motto::after  { left: 100%; }

.hero-divider {
  width: 60px;
  height: 1px;
  background: var(--accent);
  border-radius: 1px;
  margin: 0 auto 36px;
  position: relative;
  animation: hero-rise 1s 0.32s var(--ease-out) both;
  box-shadow: 0 0 12px var(--accent-glow);
}

.hero-attribution {
  margin-top: 32px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
  font-weight: 600;
  animation: hero-rise 1s 0.45s var(--ease-out) both;
  font-family: 'Noto Sans SC', sans-serif;
}

.hero-attribution .hero-pen {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-left: 8px;
  font-family: 'Noto Serif SC', 'Fraunces', Georgia, serif;
}

.hero-divider::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 20px;
  height: 1px;
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold);
}

.hero-lead {
  max-width: 540px;
  margin: 0 auto;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.85;
  animation: hero-rise 1s 0.4s var(--ease-out) both;
}

@keyframes hero-rise {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Scroll hint ─────────────────────────────────────── */
.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-mute);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-weight: 600;
  animation: hero-rise 1s 0.6s var(--ease-out) both, scroll-bounce 2.2s 1.6s ease-in-out infinite;
}

.scroll-hint .line {
  width: 1px;
  height: 36px;
  background: linear-gradient(180deg, var(--accent), transparent);
  position: relative;
  overflow: hidden;
}

.scroll-hint .line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 50%;
  background: var(--accent);
  animation: scroll-line 2.2s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(8px); }
}

@keyframes scroll-line {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(200%); }
}

/* ── Sections (home) ─────────────────────────────────── */
.sections-intro {
  text-align: center;
  margin-bottom: 40px;
  padding: 32px 0 0;
  position: relative;
}

.sections-intro .label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 10px;
  font-family: 'Fraunces', 'Noto Serif SC', Georgia, serif;
}

.sections-intro h2 {
  font-family: 'Noto Serif SC', 'Fraunces', Georgia, serif;
  font-size: 30px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
}

.sections {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}

.section-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: start;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), border-color 0.3s ease;
  box-shadow: var(--shadow-card), var(--shadow-inset);
  animation: card-rise 0.8s var(--ease-out) both;
}

.section-card:nth-child(1) { animation-delay: 0.1s; }
.section-card:nth-child(2) { animation-delay: 0.2s; }
.section-card:nth-child(3) { animation-delay: 0.3s; }

.section-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}

.section-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--accent-border);
}

.section-card:hover::before { transform: scaleX(1); }

@keyframes card-rise {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  transition: all 0.4s var(--ease-out);
  flex-shrink: 0;
  border: 1px solid var(--accent-border);
}

.card-icon svg {
  width: 26px;
  height: 26px;
  stroke-width: 1.5;
}

.section-card:hover .card-icon {
  background: var(--accent);
  color: var(--text-on-accent);
  transform: rotate(-6deg) scale(1.05);
  border-color: transparent;
  box-shadow: 0 8px 20px var(--accent-glow);
}

.card-body {
  min-width: 0;
}

.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.section-card h2 {
  font-family: 'Noto Serif SC', 'Fraunces', Georgia, serif;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
}

.section-card .count {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 12px;
  border-radius: 3px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  border: 1px solid var(--accent-border);
  font-family: 'Noto Sans SC', sans-serif;
}

.section-card .count.is-empty {
  color: var(--text-mute);
  background: rgba(15, 52, 96, 0.2);
  border-color: var(--border);
}

.section-card .desc {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.75;
  margin-bottom: 16px;
}

.section-card .arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  transition: gap 0.3s var(--ease-out);
  letter-spacing: 0.02em;
}

.section-card .arrow svg {
  width: 14px;
  height: 14px;
  stroke-width: 2;
}

.section-card:hover .arrow { gap: 12px; }

/* ── Page title (list pages) ─────────────────────────── */
.page-title {
  font-family: 'Noto Serif SC', 'Fraunces', Georgia, serif;
  font-size: clamp(36px, 6vw, 48px);
  font-weight: 700;
  letter-spacing: 0.01em;
  margin-bottom: 12px;
  position: relative;
  padding-bottom: 24px;
  display: flex;
  align-items: baseline;
  gap: 16px;
  color: var(--text);
}

.page-title .count-inline {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  text-transform: uppercase;
}

.page-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  margin-top: 16px;
  position: absolute;
  bottom: 0;
  left: 0;
  box-shadow: 0 0 8px var(--accent-glow);
}

.page-title::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--gold);
  position: absolute;
  bottom: 0;
  left: 64px;
  box-shadow: 0 0 6px var(--gold);
}

.page-subtitle {
  color: var(--text-dim);
  font-size: 15px;
  margin-bottom: 32px;
  margin-top: 8px;
  line-height: 1.7;
}

/* ── List items ──────────────────────────────────────── */
.list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.list-item {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 12px;
  padding: 26px 28px;
  transition: transform 0.3s var(--ease-out), border-color 0.3s ease, box-shadow 0.3s var(--ease-out);
  box-shadow: var(--shadow-card), var(--shadow-inset);
  position: relative;
  overflow: hidden;
}

.list-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  transform: scaleY(0);
  transition: transform 0.3s var(--ease-out);
  transform-origin: center;
  box-shadow: 0 0 8px var(--accent-glow);
}

.list-item:hover {
  transform: translateY(-2px);
  border-color: var(--accent-border);
  box-shadow: var(--shadow-card-hover);
}

.list-item:hover::before { transform: scaleY(1); }

.list-item .meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  color: var(--text-mute);
  margin-bottom: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.list-item .meta .track {
  color: var(--accent);
  border: 1px solid var(--accent-border);
  padding: 3px 9px;
  background: var(--accent-dim);
  border-radius: 2px;
  font-size: 10px;
  letter-spacing: 0.15em;
}

.list-item .meta .date {
  font-variant-numeric: tabular-nums;
}

.list-item .meta .open-hint {
  margin-left: auto;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.list-item .meta .open-hint svg {
  width: 12px;
  height: 12px;
  stroke-width: 1.8;
}

.list-item h3 {
  font-family: 'Noto Serif SC', 'Fraunces', Georgia, serif;
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.list-item .excerpt {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.75;
  margin-bottom: 14px;
}

.list-item .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.list-item .tag {
  font-size: 10px;
  padding: 3px 9px;
  border-radius: 2px;
  background: rgba(15, 52, 96, 0.4);
  color: var(--text-dim);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--border-card);
  font-family: 'Noto Sans SC', sans-serif;
}

/* ── Coming Soon — designed ──────────────────────────── */
.coming-soon {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  padding: 80px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.coming-soon::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
}

.coming-soon::after {
  content: '';
  position: absolute;
  bottom: -80px;
  right: -80px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, var(--accent-soft), transparent 70%);
  pointer-events: none;
}

.coming-soon .illustration {
  width: 88px;
  height: 88px;
  margin: 0 auto 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: 50%;
  color: var(--accent);
  position: relative;
  z-index: 1;
  border: 1px solid var(--accent-border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.coming-soon .illustration svg {
  width: 44px;
  height: 44px;
  stroke-width: 1.5;
}

.coming-soon .label {
  font-family: 'Noto Serif SC', 'Fraunces', Georgia, serif;
  font-size: 28px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
  position: relative;
  z-index: 1;
}

.coming-soon .hint {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.8;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.coming-soon .hint code {
  font-family: 'SF Mono', Menlo, Consolas, monospace;
  background: var(--bg-secondary);
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 12px;
  color: var(--accent);
  border: 1px solid var(--border-card);
}

/* ── About page ──────────────────────────────────────── */
.profile {
  text-align: center;
  padding: 48px 0 40px;
  position: relative;
}

.avatar-wrap {
  display: inline-block;
  position: relative;
  margin-bottom: 32px;
}

.avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, #c2185b 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 60px;
  line-height: 140px;
  box-shadow: 0 12px 32px var(--accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 1;
}

.avatar-ring {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--accent), var(--gold), var(--accent), var(--gold), var(--accent));
  z-index: 0;
  opacity: 0.7;
  animation: ring-spin 18s linear infinite;
}

.avatar-ring::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--bg);
}

@keyframes ring-spin {
  to { transform: rotate(360deg); }
}

.profile h1 {
  font-family: 'Noto Serif SC', 'Fraunces', Georgia, serif;
  font-size: 44px;
  font-weight: 900;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
  color: var(--text);
}

.profile .title {
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.3em;
  margin-bottom: 14px;
  text-transform: uppercase;
  font-weight: 600;
  font-family: 'Fraunces', 'Noto Serif SC', Georgia, serif;
}

.profile .pen-name {
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 20px;
  font-family: 'Noto Sans SC', sans-serif;
}

.profile .pen-name .pen-name-mark {
  color: var(--accent);
  margin-left: 8px;
  letter-spacing: 0.15em;
  font-weight: 700;
  font-family: 'Noto Serif SC', 'Fraunces', Georgia, serif;
}

.profile .motto {
  font-family: 'Noto Serif SC', 'Fraunces', Georgia, serif;
  font-size: 18px;
  color: var(--accent);
  font-style: normal;
  font-weight: 500;
  letter-spacing: 0.04em;
  position: relative;
  display: inline-block;
  padding: 0 32px;
}

.profile .motto::before,
.profile .motto::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 24px;
  height: 1px;
  background: var(--accent-border);
}

.profile .motto::before { right: 100%; }
.profile .motto::after  { left: 100%; }

.section {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 14px;
  padding: 32px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-card), var(--shadow-inset);
  position: relative;
  overflow: hidden;
}

.section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

.section-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}

.section-head h2 {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-family: 'Noto Sans SC', sans-serif;
}

.section-head .accent-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  flex-shrink: 0;
  box-shadow: 0 0 6px var(--accent-glow);
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill {
  padding: 9px 18px;
  border-radius: 3px;
  font-size: 13px;
  font-weight: 600;
  background: var(--accent-dim);
  color: var(--accent);
  letter-spacing: 0.04em;
  border: 1px solid var(--accent-border);
  transition: all var(--transition);
}

.skill:hover {
  background: var(--accent);
  color: var(--text-on-accent);
  transform: translateY(-1px);
  border-color: transparent;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.contact-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border: 1px solid var(--border-card);
  border-radius: 10px;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  background: var(--bg-secondary);
  transition: all var(--transition);
  flex: 1;
  min-width: 140px;
  justify-content: center;
}

.contact-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.contact-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform 0.3s var(--ease-out);
}

.contact-link:hover svg {
  transform: scale(1.1) rotate(-3deg);
}

/* ── Footer ──────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  font-size: 12px;
  color: var(--text-mute);
  margin-top: 64px;
  position: relative;
  letter-spacing: 0.05em;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

.site-footer p {
  letter-spacing: 0.04em;
}

.signature {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.2em;
  font-size: 13px;
  margin-top: 4px;
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 767px) {
  :root { --nav-height: 60px; }

  .site-nav { padding: 0 16px; }
  .nav-brand { font-size: 16px; letter-spacing: 0.05em; }
  .nav-right { gap: 12px; }
  .nav-link { padding: 6px 10px; font-size: 13px; }
  .lang-toggle button { padding: 4px 10px; font-size: 11px; }

  main { padding: 40px 16px 56px; }

  .hero { padding: 24px 0 64px; min-height: calc(100vh - 60px); }
  .hero-name { margin-bottom: 24px; }
  .hero-eyebrow { font-size: 11px; padding: 5px 12px; }
  .hero-tagline { font-size: 11px; letter-spacing: 0.2em; }
  .hero-motto { font-size: 17px; padding: 0 16px; }
  .hero-motto::before, .hero-motto::after { width: 16px; }
  .hero-lead { font-size: 14px; }

  .scroll-hint { bottom: 20px; }

  .sections-intro h2 { font-size: 22px; }
  .section-card { grid-template-columns: 1fr; gap: 16px; padding: 24px; }
  .card-icon { width: 48px; height: 48px; }
  .card-icon svg { width: 22px; height: 22px; }
  .section-card h2 { font-size: 20px; }
  .list-item { padding: 20px 22px; }
  .list-item h3 { font-size: 17px; }
  .profile { padding: 24px 0 32px; }
  .profile h1 { font-size: 32px; }
  .avatar { width: 110px; height: 110px; font-size: 48px; line-height: 110px; }
  .avatar-ring { inset: -6px; }
  .section { padding: 24px 20px; }
  .contact-link { min-width: 0; flex: 1 1 calc(50% - 6px); padding: 10px 14px; font-size: 13px; }
  .coming-soon { padding: 60px 24px; }
  .coming-soon .illustration { width: 72px; height: 72px; }
  .coming-soon .illustration svg { width: 36px; height: 36px; }
  .coming-soon .label { font-size: 22px; }
  .coming-soon .hint { font-size: 13px; }
}

@media (max-width: 374px) {
  .nav-right { gap: 8px; }
  .nav-link { padding: 6px 8px; font-size: 12px; }
  .contact-link { flex: 1 1 100%; }
}

/* ── Reduce motion ───────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  body::before { animation: none; }
  .avatar-ring { animation: none; }
}

/* ── Related tags (used on report pages) ───────────────
   The related-tags styles live in assets/related.css so report
   pages can link only the styles they need without pulling in
   the site's dark-theme chrome rules. See BRAND.md §13.
   ──────────────────────────────────────────────────────── */