/* ============================================================
   Design tokens
   ============================================================ */
:root {
  /* Brand */
  --navy-950: #060f1f;
  --navy-900: #0a1a30;
  --navy-800: #0e2444;
  --navy-700: #143059;
  --navy-600: #1d4174;
  --navy-500: #2b579c;
  --gold-500: #c9a227;
  --gold-400: #d9b84e;
  --gold-300: #e8cd7d;

  /* Semantic (light) */
  --color-bg: #f7f8fb;
  --color-surface: #ffffff;
  --color-surface-2: #f0f2f6;
  --color-text: #101a2b;
  --color-text-muted: #56617a;
  --color-text-soft: #7b869c;
  --color-border: #e3e7ee;
  --color-accent: var(--gold-500);
  --color-primary: var(--navy-800);
  --color-primary-strong: var(--navy-900);
  --color-on-primary: #ffffff;
  --focus-ring: #2b579c;

  --shadow-sm: 0 1px 2px rgba(10, 26, 48, 0.06), 0 1px 1px rgba(10, 26, 48, 0.04);
  --shadow-md: 0 8px 24px rgba(10, 26, 48, 0.08), 0 2px 8px rgba(10, 26, 48, 0.06);
  --shadow-lg: 0 20px 48px rgba(10, 26, 48, 0.14), 0 4px 12px rgba(10, 26, 48, 0.08);

  /* Type */
  --font-heading: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  /* Spacing scale (4/8pt) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 999px;

  --container-w: 1180px;

  --dur-fast: 150ms;
  --dur-base: 250ms;
  --dur-slow: 400ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --color-bg: #0a1526;
  --color-surface: #0f1e35;
  --color-surface-2: #142744;
  --color-text: #eef1f6;
  --color-text-muted: #aab4c7;
  --color-text-soft: #7f8ba3;
  --color-border: #22304c;
  --color-primary: var(--navy-700);
  --color-primary-strong: var(--navy-900);
  --color-on-primary: #ffffff;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.45);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #0a1526;
    --color-surface: #0f1e35;
    --color-surface-2: #142744;
    --color-text: #eef1f6;
    --color-text-muted: #aab4c7;
    --color-text-soft: #7f8ba3;
    --color-border: #22304c;
    --color-primary: var(--navy-700);
    --color-primary-strong: var(--navy-900);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.45);
  }
}

/* ============================================================
   Reset
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-text);
  line-height: 1.2;
  margin: 0;
  letter-spacing: -0.01em;
}

p { margin: 0 0 var(--space-4); color: var(--color-text-muted); }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; background: none; border: none; cursor: pointer; color: inherit; }

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: var(--space-4);
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--dur-fast) var(--ease-out);
}
.skip-link:focus { top: var(--space-4); }

/* Preloader */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-950);
  transition: opacity 500ms var(--ease-out), visibility 500ms var(--ease-out);
}
.preloader-mark {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.06em;
  color: var(--gold-400);
  width: 60px;
  height: 60px;
  border: 1px solid color-mix(in srgb, var(--gold-400) 40%, transparent);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: preloader-pulse 1.1s ease-in-out infinite;
}
@keyframes preloader-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(0.92); opacity: 0.7; }
}
.preloader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
@media (prefers-reduced-motion: reduce) {
  .preloader { transition: opacity 200ms linear; }
  .preloader-mark { animation: none; }
}

/* Scroll progress bar */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  z-index: 1100;
  background: linear-gradient(90deg, var(--navy-600), var(--gold-500) 70%, var(--gold-300));
  transform: scaleX(0);
  transform-origin: left;
  will-change: transform;
}
@media (prefers-reduced-motion: reduce) {
  .progress-bar { transition: none; }
}

/* Custom scrollbar */
html { scrollbar-color: var(--navy-500) var(--color-bg); scrollbar-width: thin; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--navy-600), var(--gold-500));
  border-radius: 999px;
  border: 2px solid var(--color-bg);
}

.icon {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

.eyebrow {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--space-3);
}
.eyebrow-light { color: var(--gold-300); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 13px 24px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 15px;
  min-height: 44px;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
  cursor: pointer;
  border: 1px solid transparent;
}
.btn .icon { width: 18px; height: 18px; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.96); }

.btn-primary {
  background: var(--color-accent);
  color: var(--navy-950);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { box-shadow: var(--shadow-md); background: var(--gold-400); }

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-ghost:hover { border-color: var(--color-accent); background: var(--color-surface-2); }

.btn-sm { padding: 9px 18px; font-size: 14px; min-height: 38px; }

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  transition: background var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), backdrop-filter var(--dur-base) var(--ease-out);
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  box-shadow: 0 1px 0 var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  color: var(--color-text);
}
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--color-primary-strong);
  color: var(--gold-400);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  letter-spacing: 0.02em;
}
.brand-text { white-space: nowrap; }

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav-link {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding: var(--space-2) 0;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out);
}
.nav-link:hover { color: var(--color-text); }
.nav-link:hover::after,
.nav-link.is-active::after { transform: scaleX(1); }
.nav-link.is-active { color: var(--color-text); }

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.icon-btn:hover { background: var(--color-surface-2); color: var(--color-text); }
.icon-btn .icon { width: 20px; height: 20px; }

#theme-toggle .icon-moon { display: none; }
[data-theme="dark"] #theme-toggle .icon-sun { display: none; }
[data-theme="dark"] #theme-toggle .icon-moon { display: block; }
#theme-toggle .icon { transition: transform 500ms var(--ease-out); }
#theme-toggle:active .icon { transform: rotate(-25deg) scale(0.85); }
@keyframes icon-pop-in {
  from { opacity: 0; transform: rotate(-90deg) scale(0.5); }
  to { opacity: 1; transform: rotate(0) scale(1); }
}
#theme-toggle.is-switching .icon-sun,
#theme-toggle.is-switching .icon-moon {
  animation: icon-pop-in 450ms var(--ease-out);
}
@media (prefers-reduced-motion: reduce) {
  #theme-toggle.is-switching .icon-sun,
  #theme-toggle.is-switching .icon-moon { animation: none; }
}

.nav-toggle { display: none; }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  padding: 160px 0 var(--space-9);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: -10%;
  z-index: -1;
  background:
    radial-gradient(680px 460px at 88% 4%, color-mix(in srgb, var(--gold-500) 20%, transparent), transparent 62%),
    radial-gradient(900px 620px at 6% 0%, color-mix(in srgb, var(--navy-600) 32%, transparent), transparent 60%),
    radial-gradient(720px 520px at 40% 100%, color-mix(in srgb, var(--gold-400) 10%, transparent), transparent 65%),
    var(--color-bg);
  animation: aurora-drift 22s ease-in-out infinite;
}
@keyframes aurora-drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-2%, 1.5%) scale(1.03); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-bg { animation: none; }
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(color-mix(in srgb, var(--color-text) 5%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--color-text) 5%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 75%);
  opacity: 0.5;
}

.hero-spotlight {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
  background: radial-gradient(320px 320px at var(--spot-x, 50%) var(--spot-y, 30%), color-mix(in srgb, var(--gold-500) 18%, transparent), transparent 70%);
}
.hero-spotlight.is-active { opacity: 1; }
@media (prefers-reduced-motion: reduce), (pointer: coarse) {
  .hero-spotlight { display: none; }
}

.hero-divider {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  width: 100%;
  height: 70px;
  z-index: 1;
  pointer-events: none;
}
@media (max-width: 640px) { .hero-divider { height: 40px; } }

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: var(--space-8);
}

/* Hero entrance choreography */
@keyframes hero-fade-up {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes hero-fade-scale {
  from { opacity: 0; transform: translateY(18px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.hero-copy > * {
  opacity: 0;
  animation: hero-fade-up 800ms var(--ease-out) forwards;
}
.hero-copy > *:nth-child(1) { animation-delay: 0.05s; }
.hero-copy > *:nth-child(2) { animation-delay: 0.15s; }
.hero-copy > *:nth-child(3) { animation-delay: 0.25s; }
.hero-copy > *:nth-child(4) { animation-delay: 0.35s; }
.hero-copy > *:nth-child(5) { animation-delay: 0.45s; }
.hero-copy > *:nth-child(6) { animation-delay: 0.55s; }
.hero-visual {
  opacity: 0;
  animation: hero-fade-scale 900ms var(--ease-out) 0.35s forwards;
}
@media (prefers-reduced-motion: reduce) {
  .hero-copy > *, .hero-visual { animation: none; opacity: 1; }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text);
  background: color-mix(in srgb, var(--color-surface) 70%, transparent);
  border: 1px solid var(--color-border);
  padding: 8px 16px 8px 12px;
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
  margin: 0 0 var(--space-4);
}
.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--gold-500) 25%, transparent);
  flex-shrink: 0;
}

.hero-title {
  font-size: clamp(40px, 6vw, 68px);
  font-weight: 800;
  margin-bottom: var(--space-3);
  background: linear-gradient(100deg, var(--color-text) 25%, var(--navy-500) 55%, var(--gold-500) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
[data-theme="dark"] .hero-title {
  background: linear-gradient(100deg, #ffffff 20%, var(--gold-300) 65%, var(--gold-500) 95%);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-role {
  font-family: var(--font-heading);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 600;
  color: var(--color-text);
  max-width: 46ch;
  margin-bottom: var(--space-4);
  line-height: 1.4;
}

.hero-desc {
  font-size: 16.5px;
  max-width: 56ch;
  margin-bottom: var(--space-6);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-7);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
}
.hero-meta li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 14px;
  color: var(--color-text-muted);
}
.hero-meta a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  transition: color var(--dur-fast) var(--ease-out);
}
.hero-meta a:hover { color: var(--color-accent); }
.hero-meta .icon { color: var(--color-accent); width: 16px; height: 16px; }

.hero-visual {
  position: relative;
  justify-self: center;
  align-self: auto;
  width: 100%;
  max-width: 320px;
  margin-top: -32px;
}

.hero-photo-frame {
  position: relative;
  border-radius: 50%;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--color-surface);
  outline: 1px solid var(--color-border);
  background: var(--color-surface-2);
}
.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-photo-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--gold-500) 55%, transparent);
}

.hero-stat-card {
  position: absolute;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  box-shadow: var(--shadow-md);
}
.hero-stat-card--1 { top: -14px; right: -14px; animation: stat-float 5s ease-in-out 1.1s infinite; }
.hero-stat-card--2 { bottom: -14px; left: -14px; animation: stat-float 5s ease-in-out 1.7s infinite; }
@keyframes stat-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-stat-card--1, .hero-stat-card--2 { animation: none; }
}
.stat-num {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 20px;
  color: var(--color-primary-strong);
}
[data-theme="dark"] .stat-num { color: var(--gold-400); }
.stat-label {
  font-size: 12px;
  color: var(--color-text-soft);
  font-weight: 500;
}

.scroll-cue {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: var(--space-6);
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-surface) 70%, transparent);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  animation: bob 2.4s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}
@media (prefers-reduced-motion: reduce) { .scroll-cue { animation: none; } }

/* ============================================================
   Sections
   ============================================================ */
.section { padding: var(--space-9) 0; }
.section-muted { background: var(--color-surface-2); }
.contact-section { padding-bottom: var(--space-9); }

.section-head { max-width: 640px; margin-bottom: var(--space-7); }
.section-title {
  font-size: clamp(28px, 3.4vw, 38px);
  font-weight: 800;
}
.section-title::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  margin-top: var(--space-4);
  border-radius: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 700ms var(--ease-out) 150ms;
}
.reveal.is-visible .section-title::after { transform: scaleX(1); }
@media (prefers-reduced-motion: reduce) {
  .section-title::after { transition: none; transform: scaleX(1); }
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-8);
  align-items: start;
}
.about-text p { font-size: 16.5px; }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.stat-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}
.stat-block-num {
  display: block;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 30px;
  color: var(--color-primary-strong);
  margin-bottom: var(--space-2);
}
[data-theme="dark"] .stat-block-num { color: var(--gold-400); }
.stat-block-label {
  font-size: 13.5px;
  color: var(--color-text-muted);
  line-height: 1.45;
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 820px;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 7px;
  width: 2px;
  background: var(--color-border);
}
.timeline-item {
  position: relative;
  padding-left: var(--space-7);
  margin-bottom: var(--space-6);
}
.timeline-item:last-child { margin-bottom: 0; }
.timeline-marker {
  position: absolute;
  left: 0;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 3px solid var(--color-accent);
  z-index: 1;
}
.timeline-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.timeline-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.timeline-card--current { border-color: color-mix(in srgb, var(--color-accent) 45%, var(--color-border)); }

.badge {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}
.badge-live {
  background: color-mix(in srgb, var(--color-accent) 18%, transparent);
  color: color-mix(in srgb, var(--color-accent) 80%, var(--color-text) 20%);
}

.timeline-card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2) var(--space-4);
  margin-bottom: var(--space-1);
}
.timeline-card-head h3 {
  font-size: 18.5px;
  font-weight: 700;
}
.timeline-dates {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-soft);
  white-space: nowrap;
}
.timeline-org {
  font-size: 14px;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--space-3);
}
.timeline-card ul { display: flex; flex-direction: column; gap: var(--space-2); }
.timeline-card li {
  position: relative;
  padding-left: var(--space-4);
  font-size: 14.5px;
  color: var(--color-text-muted);
  line-height: 1.55;
}
.timeline-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-text-soft);
}

/* Projects */
.project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  perspective: 1400px;
}
.project-card {
  position: relative;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transform: perspective(1000px) rotateX(var(--tilt-y, 0deg)) rotateY(var(--tilt-x, 0deg)) translateY(var(--tilt-lift, 0px));
  transition: box-shadow var(--dur-base) var(--ease-out), transform 120ms ease-out;
}
.project-card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at var(--glare-x, 50%) var(--glare-y, 50%), color-mix(in srgb, var(--gold-500) 20%, transparent), transparent 60%);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
  pointer-events: none;
}
.project-card:hover { box-shadow: var(--shadow-lg); --tilt-lift: -6px; }
.project-card:hover::before { opacity: 1; }
@media (prefers-reduced-motion: reduce), (pointer: coarse) {
  .project-card { transform: none !important; }
  .project-card:hover { transform: translateY(-4px) !important; }
}
.project-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-primary-strong);
  color: var(--gold-400);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}
.project-icon .icon { width: 24px; height: 24px; }
.project-card h3 { font-size: 20px; font-weight: 700; margin-bottom: var(--space-1); }
.project-org { font-size: 13.5px; font-weight: 600; color: var(--color-accent); margin-bottom: var(--space-4); }
.project-card ul { display: flex; flex-direction: column; gap: var(--space-3); }
.project-card li {
  position: relative;
  padding-left: var(--space-4);
  font-size: 14.5px;
  color: var(--color-text-muted);
  line-height: 1.6;
}
.project-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* Skills */
.skills-top { margin-bottom: var(--space-6); }
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-7);
}
.skills-col-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.skills-col-title .icon { width: 18px; height: 18px; color: var(--color-accent); }

.chip-list { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* Marquee */
.marquee {
  position: relative;
  overflow: hidden;
  display: flex;
  gap: var(--space-2);
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.marquee-track {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: var(--space-2);
  padding-right: var(--space-2);
  animation: marquee-scroll 26s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee { mask-image: none; -webkit-mask-image: none; }
  .marquee-track { animation: none; flex-wrap: wrap; }
  .marquee-track[aria-hidden="true"] { display: none; }
}
.chip {
  font-size: 13.5px;
  font-weight: 500;
  padding: 9px 16px;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.chip:hover { border-color: var(--color-accent); transform: translateY(-2px); }
.chip-alt {
  background: color-mix(in srgb, var(--color-accent) 12%, var(--color-surface));
  border-color: color-mix(in srgb, var(--color-accent) 30%, var(--color-border));
}

.lang-list { display: flex; flex-direction: column; gap: var(--space-2); }
.lang-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-size: 14px;
  font-weight: 600;
}
.lang-level {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--color-accent);
}

.education-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
.edu-card {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}
.edu-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-accent) 14%, transparent);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.edu-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 2px; }
.edu-org { font-size: 13.5px; color: var(--color-text-muted); margin-bottom: 2px; }
.edu-dates { font-size: 12.5px; color: var(--color-text-soft); font-weight: 600; margin: 0; }

/* Contact */
.contact-panel {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700) 70%, var(--navy-600));
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
  align-items: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.contact-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(500px 300px at 90% 0%, color-mix(in srgb, var(--gold-500) 25%, transparent), transparent 70%);
  pointer-events: none;
}
.contact-title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--space-3);
}
.contact-desc { color: color-mix(in srgb, #fff 70%, transparent); margin: 0; max-width: 42ch; }

.contact-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  position: relative;
}
.contact-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  color: #fff;
  transition: background var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.contact-card:not(.contact-card--static):hover { background: rgba(255, 255, 255, 0.12); transform: translateY(-2px); }
.contact-card .icon { width: 20px; height: 20px; color: var(--gold-400); flex-shrink: 0; }
.contact-card-label {
  display: block;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: color-mix(in srgb, #fff 60%, transparent);
  margin-bottom: 2px;
}
.contact-card-value {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  word-break: break-word;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-5) 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.footer-inner p { margin: 0; font-size: 13.5px; color: var(--color-text-soft); }
.back-to-top {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.back-to-top:hover { background: var(--color-accent); color: var(--navy-950); transform: translateY(-2px); }

/* ============================================================
   Reveal-on-scroll
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 260px; margin: -12px auto var(--space-4); }
  .about-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .contact-panel { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav { position: fixed; top: 76px; left: 0; right: 0; bottom: 0; background: var(--color-bg); transform: translateX(100%); transition: transform var(--dur-base) var(--ease-out); overflow-y: auto; }
  .nav.is-open { transform: translateX(0); }
  .nav-list { flex-direction: column; align-items: flex-start; gap: 0; padding: var(--space-5); }
  .nav-list li { width: 100%; border-bottom: 1px solid var(--color-border); }
  .nav-link { display: block; padding: var(--space-4) 0; font-size: 17px; }
  .nav-link::after { display: none; }
  .nav-toggle { display: inline-flex; }
  .brand-text { display: none; }
  .header-cta { display: none; }

  .project-grid { grid-template-columns: 1fr; }
  .education-grid { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .hero { padding-top: 128px; }
  .about-stats { grid-template-columns: 1fr; }
  .hero-stat-card { position: static; margin-top: var(--space-3); box-shadow: var(--shadow-sm); }
  .hero-visual { display: flex; flex-direction: column; max-width: 220px; }
  .hero-photo-frame { order: -1; }
  .contact-panel { padding: var(--space-6); }
}