/* ============================================================
   Henry Yang — Personal Website
   Aesthetic: Warm Editorial Dark · Fox-inspired Amber
   ============================================================ */

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

:root {
  --bg:           #0c0b09;
  --bg-alt:       #131109;
  --bg-surface:   #1a1813;
  --bg-card:      #201e18;
  --text:         #ede8df;
  --text-sub:     #a09890;
  --text-muted:   #6b6460;
  --accent:       #c8913a;
  --accent-light: #e8ad5a;
  --accent-dim:   rgba(200, 145, 58, 0.12);
  --accent-border:rgba(200, 145, 58, 0.3);
  --border:       rgba(237, 232, 223, 0.07);
  --border-med:   rgba(237, 232, 223, 0.12);

  --font-display: 'DM Serif Display', 'LXGW WenKai TC', Georgia, serif;
  --font-body:    'DM Sans', 'Noto Sans TC', sans-serif;
  --font-serif:   'LXGW WenKai TC', 'DM Serif Display', serif;
  --font-mono:    'JetBrains Mono', monospace;

  --radius:       4px;
  --transition:   0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-w:        1100px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* --- Reveal Animations ---------------------------------------- */
.reveal-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* --- Navigation ------------------------------------------------ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 2rem;
  transition: background var(--transition), border-color var(--transition);
}
.nav.scrolled {
  background: rgba(12, 11, 9, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--accent);
  border: 1px solid var(--accent-border);
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius);
  transition: background var(--transition);
  flex-shrink: 0;
}
.nav-logo:hover { background: var(--accent-dim); }
.nav-links {
  display: flex;
  gap: 2rem;
  margin-left: auto;
}
.nav-links a {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--text-sub);
  text-transform: uppercase;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  margin-left: auto;
}
.nav-menu-btn span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: var(--transition);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: rgba(12, 11, 9, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  z-index: 99;
  transform: translateY(-110%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-link {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--text-sub);
  transition: color var(--transition);
}
.mobile-link:hover { color: var(--text); }

/* --- Hero ------------------------------------------------------ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 6rem 2rem 4rem;
}

/* Dot grid background */
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(200, 145, 58, 0.18) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
}

/* Ambient glow */
.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(200, 145, 58, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* Decorative rings */
.hero-deco {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}
.deco-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--accent-border);
  transform: translate(-50%, -50%);
}
.deco-ring--1 { width: 320px; height: 320px; opacity: 0.3; animation: rotateSlow 40s linear infinite; }
.deco-ring--2 { width: 520px; height: 520px; opacity: 0.15; animation: rotateSlow 60s linear infinite reverse; }

@keyframes rotateSlow {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to   { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.divider { color: var(--text-muted); }

.hero-name {
  display: block;
  margin-bottom: 1.5rem;
}
.hero-name-zh {
  display: block;
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  letter-spacing: 0.2em;
  color: var(--text-sub);
  line-height: 1.2;
}
.hero-name-en {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 8rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text);
  position: relative;
}
.hero-name-en::after {
  content: '';
  display: inline-block;
  width: 0.12em;
  height: 0.85em;
  background: var(--accent);
  margin-left: 0.08em;
  vertical-align: -0.08em;
  animation: blink 1.2s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-tagline {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 300;
  color: var(--text-sub);
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
  margin-bottom: 2.5rem;
  letter-spacing: 0.05em;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.scroll-track {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(0.6); }
}

/* --- Buttons --------------------------------------------------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: #0c0b09;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
}
.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-sub);
  font-family: var(--font-body);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  padding: 0.75rem 1.75rem;
  border: 1px solid var(--border-med);
  border-radius: var(--radius);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.btn-ghost:hover {
  color: var(--text);
  border-color: var(--text-sub);
  background: rgba(255,255,255,0.03);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent);
  font-family: var(--font-body);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  padding: 0.7rem 1.5rem;
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}
.btn-outline:hover {
  background: var(--accent-dim);
  color: var(--accent-light);
}

/* --- Section Layout ------------------------------------------- */
.section { padding: 6rem 2rem; }
.section--alt { background: var(--bg-alt); }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 3.5rem;
}
.section-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 400;
  letter-spacing: -0.01em;
}
.section-header--light .section-num { color: rgba(200, 145, 58, 0.8); }
.section-title--light { color: var(--text); }

/* --- About ---------------------------------------------------- */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 4rem;
  margin-bottom: 3rem;
}

.lead {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.body-text {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text-sub);
  margin-bottom: 1.25rem;
}

.certifications {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.cert-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.cert-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cert-tag {
  font-size: 0.75rem;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--accent-border);
  color: var(--accent);
  border-radius: 2px;
  letter-spacing: 0.04em;
}

/* Timeline */
.timeline { display: flex; flex-direction: column; gap: 0; }
.tl-item {
  display: grid;
  grid-template-columns: 48px 16px 1fr;
  gap: 0 0.75rem;
  position: relative;
  padding-bottom: 1.25rem;
}
.tl-item::before {
  content: '';
  position: absolute;
  left: calc(48px + 0.75rem + 7px);
  top: 8px;
  bottom: 0;
  width: 1px;
  background: var(--border);
}
.tl-item:last-child::before { display: none; }

.tl-year {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  padding-top: 0.05rem;
  text-align: right;
}
.tl-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--border-med);
  margin-top: 0.2rem;
  flex-shrink: 0;
}
.tl-dot--accent { background: var(--accent); border-color: var(--accent); }
.tl-dot--now {
  background: var(--accent-light);
  border-color: var(--accent-light);
  box-shadow: 0 0 8px var(--accent);
  animation: glow 2s ease-in-out infinite;
}
@keyframes glow {
  0%, 100% { box-shadow: 0 0 6px var(--accent); }
  50% { box-shadow: 0 0 14px var(--accent-light); }
}

.tl-body { padding-top: 0; }
.tl-title {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.4;
}
.tl-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.1rem;
}

/* Skills strip */
.skills-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.skill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  transition: color var(--transition), border-color var(--transition);
}
.skill:hover { color: var(--accent); border-color: var(--accent-border); }

/* --- Works ---------------------------------------------------- */
.works-block { margin-bottom: 3.5rem; }
.works-category {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5px;
}
.book-card {
  background: var(--bg-card);
  display: flex;
  overflow: hidden;
  transition: background var(--transition);
  cursor: pointer;
}
.book-card:hover { background: #252219; }

.book-accent-bar {
  width: 3px;
  flex-shrink: 0;
  background: var(--accent);
}
.book-accent-bar--dim { background: var(--border-med); }

.book-content {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.book-meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}
.book-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.6;
}
.book-desc {
  font-size: 0.85rem;
  color: var(--text-sub);
  line-height: 1.7;
  flex: 1;
}
.book-cta {
  font-size: 0.8rem;
  color: var(--accent);
  margin-top: 0.5rem;
  transition: color var(--transition);
}
.book-card:hover .book-cta { color: var(--accent-light); }
.book-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  border: 1px solid var(--accent-border);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  width: fit-content;
}

/* Course list */
.course-list { display: flex; flex-direction: column; gap: 1px; }
.course-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.1rem 1.25rem;
  background: var(--bg-card);
  transition: background var(--transition);
}
.course-row:hover { background: #252219; }
.course-platform {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  width: 100px;
  flex-shrink: 0;
}
.course-name {
  font-size: 0.9rem;
  color: var(--text);
  flex: 1;
}
.course-arrow { color: var(--accent); margin-left: auto; }

/* Ironman list */
.ironman-list { display: flex; flex-direction: column; gap: 1px; }
.ironman-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.1rem 1.25rem;
  background: var(--bg-card);
  transition: background var(--transition);
}
.ironman-row:hover { background: #252219; }
.ironman-year {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  width: 120px;
  flex-shrink: 0;
}
.ironman-name {
  font-size: 0.9rem;
  color: var(--text);
  flex: 1;
}
.ironman-arrow { color: var(--accent); margin-left: auto; }

/* --- Philosophy / Manifesto ----------------------------------- */
.manifesto {
  position: relative;
  background: var(--bg-surface);
  padding: 6rem 2rem;
  overflow: hidden;
}
.manifesto::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(200,145,58,0.06) 0%, transparent 60%),
    linear-gradient(315deg, rgba(200,145,58,0.04) 0%, transparent 60%);
  pointer-events: none;
}
.manifesto-noise {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.manifesto-text {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-weight: 300;
  line-height: 1.9;
  color: var(--text);
  border-left: 3px solid var(--accent);
  padding-left: 2rem;
  margin-bottom: 4rem;
  position: relative;
  z-index: 1;
}
.manifesto-text p { display: block; }
.manifesto-sub {
  color: var(--text-sub);
  font-size: 0.9em;
}

.beliefs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5px;
  position: relative;
  z-index: 1;
}
.belief {
  background: rgba(12, 11, 9, 0.6);
  padding: 2rem 1.75rem;
  border-top: 1px solid var(--accent-border);
}
.belief-glyph {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.4;
  margin-bottom: 1rem;
  line-height: 1;
}
.belief-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}
.belief-body {
  font-size: 0.85rem;
  color: var(--text-sub);
  line-height: 1.8;
}

/* --- Speaking ------------------------------------------------- */
.speaking-list { display: flex; flex-direction: column; gap: 1px; margin-bottom: 2.5rem; }
.speaking-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 2rem;
  padding: 2rem 1.5rem;
  background: var(--bg-card);
}
.speaking-date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  padding-top: 0.2rem;
}
.speaking-org {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.speaking-topic {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 0.75rem;
}
.speaking-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.speaking-tags span {
  font-size: 0.72rem;
  padding: 0.25rem 0.65rem;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 2px;
  letter-spacing: 0.04em;
}

.speaking-style {
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.speaking-style h3 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.speaking-style ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}
.speaking-style li {
  font-size: 0.9rem;
  color: var(--text-sub);
  padding-left: 1rem;
  position: relative;
}
.speaking-style li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* --- Community ------------------------------------------------ */
.community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.community-card {
  background: var(--bg-card);
  padding: 2.5rem 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), background var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
a.community-card:hover {
  border-color: var(--accent-border);
  background: #201e18;
}
.community-emoji {
  font-size: 2.5rem;
  line-height: 1;
}
.community-name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--text);
}
.community-desc {
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.8;
  flex: 1;
}
.community-link {
  font-size: 0.8rem;
  color: var(--accent);
  transition: color var(--transition);
}
a.community-card:hover .community-link { color: var(--accent-light); }

/* --- Links ---------------------------------------------------- */
.links-section { background: var(--bg-alt); }
.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1px;
}
.link-tile {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem 1.5rem 1.25rem;
  background: var(--bg-card);
  transition: background var(--transition);
  position: relative;
  group: true;
}
.link-tile:hover { background: #252219; }
.link-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.link-handle {
  font-size: 0.95rem;
  color: var(--text);
  transition: color var(--transition);
}
.link-tile:hover .link-handle { color: var(--accent-light); }
.link-arrow {
  font-size: 1rem;
  color: var(--accent);
  margin-top: 1rem;
  opacity: 0;
  transform: translate(-4px, 4px);
  transition: opacity var(--transition), transform var(--transition);
}
.link-tile:hover .link-arrow {
  opacity: 1;
  transform: translate(0, 0);
}

/* --- Footer --------------------------------------------------- */
.footer {
  padding: 2rem;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.footer-name {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--text);
}
.footer-motto {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* --- Responsive ----------------------------------------------- */
@media (max-width: 900px) {
  .about-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-sidebar { order: -1; }
  .timeline { max-width: 400px; }

  .nav-links { display: none; }
  .nav-menu-btn { display: flex; }

  .hero-deco { display: none; }
}

@media (max-width: 600px) {
  .section { padding: 4rem 1.25rem; }
  .hero { padding: 5rem 1.25rem 3rem; }
  .nav { padding: 0 1.25rem; }
  .manifesto { padding: 4rem 1.25rem; }

  .speaking-item {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .links-section { padding: 4rem 1.25rem; }
}