/* ═══════════════════════════════════════════
   沈龙翔个人站 — 科技蓝 · 爆炸开场
   Design Tokens
   ═══════════════════════════════════════════ */

:root {
  /* Colors — Tech Blue Palette */
  --color-primary: #3B82F6;
  --color-primary-hover: #2563EB;
  --color-primary-light: rgba(59,130,246,0.08);
  --color-primary-glow: rgba(59,130,246,0.18);
  --color-navy: #0F172A;
  --color-navy-light: #1E293B;
  --color-cream: #F8FAFC;
  --color-warm-white: #FFFFFF;
  --color-warm-white-alt: #EFF6FF;
  --color-text: #1E293B;
  --color-text-muted: #64748B;
  --color-text-light: #94A3B8;
  --color-border: #E2E8F0;
  --color-border-light: #F1F5F9;
  --color-accent: #60A5FA;
  --color-success: #10B981;

  /* Typography */
  --font-serif: 'Playfair Display', 'Noto Serif SC', Georgia, serif;
  --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 128px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 100px;

  /* Shadows — Cool Blue-tinted */
  --shadow-sm: 0 1px 3px rgba(15,23,42,0.04);
  --shadow-md: 0 4px 16px rgba(15,23,42,0.06);
  --shadow-lg: 0 12px 40px rgba(15,23,42,0.08);
  --shadow-blue: 0 8px 30px var(--color-primary-light);
  --shadow-blue-lg: 0 20px 60px rgba(59,130,246,0.12);

  /* Layout */
  --nav-height: 64px;
  --container-max: 1120px;

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-explode: cubic-bezier(0.76, 0, 0.24, 1);
}

/* ═══════════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-cream);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  cursor: none;
}
a, button, input, textarea, select, [role="button"] { cursor: none; }

a { color: var(--color-primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-primary-hover); }
img { max-width: 100%; display: block; }

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

/* ═══════════════════════════════════════════
   LOADER — Explosion Opening
   ═══════════════════════════════════════════ */
.loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: #0A0E1A;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s var(--ease-explode), visibility 0.8s var(--ease-explode);
}
.loader.explode {
  opacity: 0;
  visibility: hidden;
}
.loader-content {
  display: flex;
  gap: 8px;
  position: relative;
  z-index: 2;
}
.loader-char {
  font-family: var(--font-serif);
  font-size: clamp(56px, 10vw, 100px);
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
  text-shadow: 0 0 80px rgba(59,130,246,0.5), 0 0 160px rgba(59,130,246,0.2);
}
.loader.visible .loader-char { opacity: 1; transform: translateY(0); }
.loader.visible .loader-char:nth-child(1) { transition-delay: 0s; }
.loader.visible .loader-char:nth-child(2) { transition-delay: 0.12s; }
.loader.visible .loader-char:nth-child(3) { transition-delay: 0.24s; }

.loader.explode .loader-char {
  transform: translateY(-120px) scale(1.8);
  opacity: 0;
  transition: transform 0.7s var(--ease-explode), opacity 0.7s var(--ease-explode);
  text-shadow: 0 0 160px rgba(59,130,246,0.8), 0 0 320px rgba(59,130,246,0.4);
}
.loader.explode .loader-char:nth-child(1) { transition-delay: 0s; }
.loader.explode .loader-char:nth-child(2) { transition-delay: 0.06s; }
.loader.explode .loader-char:nth-child(3) { transition-delay: 0.12s; }

.loader-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* ═══════════════════════════════════════════
   CUSTOM CURSOR — Blue Dot + Text Trail
   ═══════════════════════════════════════════ */
.cursor-custom {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  opacity: 0;
  will-change: left, top, opacity;
}
.cursor-dot {
  width: 10px;
  height: 10px;
  background: #3B82F6;
  border-radius: 50%;
  box-shadow: 0 0 14px rgba(59,130,246,0.6), 0 0 28px rgba(59,130,246,0.3), 0 0 48px rgba(59,130,246,0.15);
  transition: width 0.15s, height 0.15s, background 0.15s;
}
.cursor-custom.hovering .cursor-dot {
  width: 28px;
  height: 28px;
  background: rgba(59,130,246,0.35);
  box-shadow: 0 0 24px rgba(59,130,246,0.5), 0 0 48px rgba(59,130,246,0.2);
}
.cursor-text-trail {
  position: absolute;
  top: -18px;
  left: 16px;
  display: inline-flex;
  align-items: center;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  color: #3B82F6;
  white-space: nowrap;
  letter-spacing: 1px;
  text-shadow: 0 0 8px rgba(59,130,246,0.4);
  opacity: 0.9;
  transition: opacity 0.3s;
}
.cursor-wave-char {
  display: inline-block;
  min-width: 0.4em;
  will-change: transform;
}
.cursor-custom.hovering .cursor-text-trail {
  opacity: 1;
}

/* ═══════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 14px 32px;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 14px 32px;
  background: transparent;
  color: var(--color-navy);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s, transform 0.2s;
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* ═══════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  transition: background 0.3s, box-shadow 0.3s;
}
.nav.scrolled {
  background: rgba(248,250,252,0.92);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: 0.5px;
}
.nav-links { display: flex; gap: var(--space-lg); margin-left: auto; }
.nav-links a {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-muted);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--color-primary); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  border: none;
  background: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-navy);
  transition: transform 0.3s;
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav.open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: rgba(248,250,252,0.98);
    backdrop-filter: blur(12px);
    padding: var(--space-lg);
    gap: var(--space-md);
    box-shadow: var(--shadow-md);
  }
}

/* ═══════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: var(--space-5xl) 0 var(--space-4xl);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 35%, var(--color-primary-glow), transparent 65%),
    radial-gradient(ellipse 50% 40% at 80% 75%, rgba(96,165,250,0.06), transparent 55%),
    radial-gradient(circle at 20% 50%, rgba(59,130,246,0.04), transparent 50%);
  pointer-events: none;
}

/* Hero floating geometric shapes */
.hero-shape {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.06;
}
.hero-shape-1 {
  width: 500px; height: 500px;
  background: var(--color-primary);
  top: -150px; right: -100px;
  animation: floatShape1 20s ease-in-out infinite;
}
.hero-shape-2 {
  width: 300px; height: 300px;
  background: var(--color-accent);
  bottom: -80px; left: -60px;
  animation: floatShape2 25s ease-in-out infinite;
}
.hero-shape-3 {
  width: 200px; height: 200px;
  background: var(--color-primary);
  top: 60%; left: 70%;
  animation: floatShape3 18s ease-in-out infinite;
}
@keyframes floatShape1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-40px, 30px) scale(1.1); }
  66% { transform: translate(20px, -20px) scale(0.95); }
}
@keyframes floatShape2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -40px) scale(1.15); }
}
@keyframes floatShape3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(-30px, -20px) scale(1.2); }
  75% { transform: translate(20px, 30px) scale(0.9); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 880px;
  padding: 0 var(--space-lg);
  animation: heroFadeIn 0.8s var(--ease-out);
}
@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-tag {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(40px, 7vw, 80px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-navy);
  margin-bottom: var(--space-lg);
  letter-spacing: -1px;
  position: relative;
}
.hero-title::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  opacity: 0;
  animation: titleLine 0.8s 0.6s var(--ease-out) forwards;
}
@keyframes titleLine {
  to { opacity: 0.6; width: 120px; }
}
.hero-title .line { display: block; overflow: hidden; }
.hero-title .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(120%);
  transition: opacity 0.8s var(--ease-explode), transform 0.8s var(--ease-explode);
}
.hero-title.visible .word { opacity: 1; transform: translateY(0); }
.hero-title .word:nth-child(1) { transition-delay: 0.1s; }
.hero-title .word:nth-child(2) { transition-delay: 0.18s; }
.hero-title .word:nth-child(3) { transition-delay: 0.26s; }
.hero-title .word:nth-child(4) { transition-delay: 0.34s; }
.hero-title .word:nth-child(5) { transition-delay: 0.42s; }
.hero-title .word:nth-child(6) { transition-delay: 0.50s; }

.hero-sub {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
}
.hero-cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}
.hero-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}
.hero-chips span {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-text);
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(59,130,246,0.12);
  border-radius: var(--radius-full);
  padding: 8px 14px;
  backdrop-filter: blur(8px);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
}
.hero-scroll-indicator span {
  display: block;
  width: 24px;
  height: 40px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  position: relative;
}
.hero-scroll-indicator span::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 2px;
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: translate(-50%, 0); }
  50% { opacity: 1; transform: translate(-50%, 8px); }
}

/* ═══════════════════════════════════════════
   REVEAL ANIMATION BASE
   ═══════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal:nth-child(6) { transition-delay: 0.5s; }
.reveal:nth-child(7) { transition-delay: 0.6s; }

/* ═══════════════════════════════════════════
   NUMBERS STRIP
   ═══════════════════════════════════════════ */
.numbers {
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--color-border-light);
}
.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}
.num-card {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  background: var(--color-warm-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.num-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-blue);
  border-color: var(--color-primary-light);
}
.num-value {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1;
}
.num-unit {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 400;
  color: var(--color-primary);
  margin-left: 2px;
}
.num-label {
  display: block;
  font-size: 14px;
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

@media (max-width: 768px) {
  .numbers-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ═══════════════════════════════════════════
   SECTION HEADER
   ═══════════════════════════════════════════ */
.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-md);
  letter-spacing: -0.3px;
}
.section-sub {
  font-size: 17px;
  font-weight: 300;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ═══════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════ */
.about {
  padding: var(--space-5xl) 0;
  background: var(--color-warm-white-alt);
}
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}
.profile-panel {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  background: var(--color-cream);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-sm);
}
.profile-kicker {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}
.profile-panel h3 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}
.profile-panel p {
  font-size: 16px;
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.8;
}
.profile-facts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: flex-start;
}
.profile-facts span {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 400;
  color: var(--color-primary-hover);
  background: var(--color-primary-light);
  border: 1px solid rgba(59,130,246,0.08);
  border-radius: var(--radius-full);
  padding: 8px 14px;
}
.about-card {
  background: var(--color-cream);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.about-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-blue);
  border-color: var(--color-primary-light);
}
.about-icon { font-size: 36px; margin-bottom: var(--space-md); }
.about-card h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}
.about-card p {
  font-size: 15px;
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .profile-panel { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════
   FOCUS
   ═══════════════════════════════════════════ */
.focus {
  padding: var(--space-5xl) 0;
  background: var(--color-cream);
}
.focus-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}
.focus-card {
  background: var(--color-warm-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.focus-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-blue);
  border-color: var(--color-primary-light);
}
.focus-card h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}
.focus-card p {
  font-size: 15px;
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.7;
}
@media (max-width: 640px) {
  .focus-grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════
   PROJECTS TIMELINE
   ═══════════════════════════════════════════ */
.projects {
  padding: var(--space-5xl) 0;
}
.project-timeline {
  display: grid;
  gap: var(--space-lg);
  max-width: 880px;
  margin: 0 auto;
}
.project-card {
  background: var(--color-warm-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-blue);
  border-color: var(--color-primary-light);
}
.project-card::before {
  content: attr(data-year);
  position: absolute;
  top: -14px;
  left: var(--space-xl);
  background: var(--color-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  letter-spacing: 1px;
}
.project-meta { margin-bottom: var(--space-sm); }
.project-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.project-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}
.project-card p {
  font-size: 15px;
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   CASE MATRIX
   ═══════════════════════════════════════════ */
.case-matrix {
  padding: var(--space-5xl) 0;
  background: var(--color-warm-white-alt);
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}
.case-card {
  background: var(--color-warm-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  min-height: 220px;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-blue);
  border-color: var(--color-primary-light);
}
.case-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}
.case-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}
.case-card p {
  font-size: 15px;
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.7;
}
@media (max-width: 1024px) {
  .case-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .case-grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════
   MEDIA GALLERY
   ═══════════════════════════════════════════ */
.media-gallery {
  padding: var(--space-5xl) 0;
  background: var(--color-cream);
}
.gallery-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-lg);
}
.gallery-card {
  background: var(--color-warm-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-blue);
  border-color: var(--color-primary-light);
}
.gallery-card img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  object-position: top center;
  background: #e5e7eb;
}
.gallery-card-wide {
  grid-row: span 2;
}
.gallery-card-wide img {
  height: 100%;
  min-height: 680px;
}
.gallery-card figcaption {
  display: grid;
  gap: var(--space-xs);
  padding: var(--space-lg);
}
.gallery-card figcaption strong {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-navy);
}
.gallery-card figcaption span {
  font-size: 14px;
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.7;
}
@media (max-width: 900px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .gallery-card-wide {
    grid-row: auto;
  }
  .gallery-card-wide img,
  .gallery-card img {
    height: auto;
    min-height: 0;
    max-height: none;
    object-fit: contain;
  }
}

/* ═══════════════════════════════════════════
   RECOGNITION BADGE WALL
   ═══════════════════════════════════════════ */
.recognition {
  padding: var(--space-5xl) 0;
  background: var(--color-warm-white-alt);
}
.badge-wall {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  max-width: 900px;
  margin: 0 auto;
}
.badge {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-cream);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-full);
  padding: 10px 20px;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.badge:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}
.badge:focus-visible {
  outline: 2px solid rgba(59,130,246,0.65);
  outline-offset: 3px;
}
.badge.is-celebrating {
  animation: badgePulseCelebrate 0.65s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.badge-icon { font-size: 18px; }
.badge-name { font-size: 14px; font-weight: 400; color: var(--color-text); }

.confetti-stage {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 1400;
}
.confetti-piece,
.confetti-ribbon,
.confetti-flare,
.confetti-glow {
  position: fixed;
  left: 0;
  top: 0;
  opacity: 0;
  will-change: transform, opacity;
}
.confetti-piece {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background: var(--confetti-color);
  box-shadow: 0 0 18px color-mix(in srgb, var(--confetti-color) 65%, white);
  animation: confettiChipBurst var(--duration, 1100ms) cubic-bezier(0.12, 0.76, 0.22, 1) forwards;
}
.confetti-ribbon {
  width: 8px;
  height: 34px;
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.95), rgba(255,255,255,0.15) 24%, var(--confetti-color) 24%, color-mix(in srgb, var(--confetti-color) 82%, black) 100%);
  animation: confettiRibbonBurst var(--duration, 1450ms) cubic-bezier(0.12, 0.76, 0.22, 1) forwards;
  filter: drop-shadow(0 8px 12px color-mix(in srgb, var(--confetti-color) 48%, transparent));
}
.confetti-flare {
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background:
    radial-gradient(circle at center, rgba(255,255,255,0.95) 0 28%, var(--confetti-color) 30% 62%, rgba(255,255,255,0) 64%);
  animation: confettiFlareBurst var(--duration, 950ms) ease-out forwards;
  filter: drop-shadow(0 0 10px color-mix(in srgb, var(--confetti-color) 65%, white));
}
.confetti-glow {
  width: 30px;
  height: 30px;
  margin-left: -15px;
  margin-top: -15px;
  border-radius: 999px;
  background: radial-gradient(circle, color-mix(in srgb, var(--confetti-color) 70%, white) 0, rgba(255,255,255,0) 70%);
  animation: confettiGlowPulse 650ms ease-out forwards;
}

@keyframes badgePulseCelebrate {
  0% { transform: translateY(0) scale(1); }
  28% { transform: translateY(-4px) scale(1.04); }
  100% { transform: translateY(0) scale(1); }
}
@keyframes confettiChipBurst {
  0% {
    opacity: 1;
    transform: translate3d(var(--origin-x), var(--origin-y), 0) rotate(0deg) scale(0.75);
  }
  55% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate3d(calc(var(--origin-x) + var(--dx)), calc(var(--origin-y) + var(--dy)), 0) rotate(var(--rot)) scale(1.05);
  }
}
@keyframes confettiRibbonBurst {
  0% {
    opacity: 1;
    transform: translate3d(var(--origin-x), var(--origin-y), 0) rotate(var(--start-rot, 0deg)) scaleY(0.8);
  }
  40% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate3d(calc(var(--origin-x) + var(--dx)), calc(var(--origin-y) + var(--dy)), 0) rotate(var(--rot)) scaleY(1.08);
  }
}
@keyframes confettiFlareBurst {
  0% {
    opacity: 1;
    transform: translate3d(var(--origin-x), var(--origin-y), 0) scale(0.3);
  }
  35% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate3d(calc(var(--origin-x) + var(--dx)), calc(var(--origin-y) + var(--dy)), 0) scale(1.2);
  }
}
@keyframes confettiGlowPulse {
  0% {
    opacity: 0.95;
    transform: translate3d(var(--origin-x), var(--origin-y), 0) scale(0.35);
  }
  100% {
    opacity: 0;
    transform: translate3d(var(--origin-x), var(--origin-y), 0) scale(4.4);
  }
}

/* ═══════════════════════════════════════════
   EXPERIENCE
   ═══════════════════════════════════════════ */
.experience { padding: var(--space-5xl) 0; }
.exp-grid {
  display: grid;
  gap: var(--space-lg);
  max-width: 880px;
  margin: 0 auto;
}
.exp-card {
  background: var(--color-warm-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.exp-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-blue);
  border-color: var(--color-primary-light);
}
.exp-period {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  letter-spacing: 1px;
}
.exp-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}
.exp-org {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}
.exp-card ul {
  list-style: none;
  padding: 0;
}
.exp-card ul li {
  font-size: 15px;
  font-weight: 300;
  color: var(--color-text-muted);
  padding: 6px 0 6px 20px;
  position: relative;
  line-height: 1.6;
}
.exp-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  opacity: 0.5;
}

/* ═══════════════════════════════════════════
   SKILLS
   ═══════════════════════════════════════════ */
.skills {
  padding: var(--space-5xl) 0;
  background: var(--color-warm-white-alt);
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}
.skill-group h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-md);
}
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.skill-tags span {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-text);
  background: var(--color-cream);
  border: 1px solid var(--color-border);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.skill-tags span:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary-hover);
}

@media (max-width: 768px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .skills-grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════
   MARQUEE
   ═══════════════════════════════════════════ */
.marquee-section {
  padding: var(--space-2xl) 0;
  overflow: hidden;
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  background: var(--color-cream);
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 40s linear infinite;
}
.marquee-track:hover { animation-play-state: paused; }
.marquee-content {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding-right: var(--space-lg);
  flex-shrink: 0;
}
.marquee-content span {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 400;
  color: var(--color-text-muted);
  white-space: nowrap;
  opacity: 0.5;
}
.marquee-dot {
  color: var(--color-primary) !important;
  opacity: 0.4 !important;
  font-size: 20px !important;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ═══════════════════════════════════════════
   PHOTO WALL
   ═══════════════════════════════════════════ */
.photo-wall {
  padding: var(--space-5xl) 0;
  background: var(--color-warm-white-alt);
  overflow: hidden;
}
.photo-wall-track {
  display: flex;
  width: max-content;
  gap: var(--space-lg);
  animation: photoWallScroll 36s linear infinite;
}
.photo-wall-track.is-paused {
  animation-play-state: paused;
}
.photo-wall-group {
  display: flex;
  gap: var(--space-lg);
  flex-shrink: 0;
}
.photo-card {
  width: 320px;
  background: var(--color-warm-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transform-origin: center center;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease, filter 0.35s ease, opacity 0.35s ease;
}
.photo-card:focus-visible {
  outline: 2px solid rgba(59,130,246,0.7);
  outline-offset: 3px;
}
.photo-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-blue);
  border-color: var(--color-primary-light);
}
.photo-wall-track.is-hovering .photo-card {
  transform: scale(0.92);
  filter: blur(3px) saturate(0.78);
  opacity: 0.55;
}
.photo-wall-track.is-hovering .photo-card.is-active {
  transform: translateY(-6px) scale(1.08);
  filter: blur(0) saturate(1.05);
  opacity: 1;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.16);
  border-color: rgba(59,130,246,0.35);
}
.photo-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg, rgba(59,130,246,0.08), rgba(96,165,250,0.18)),
    repeating-linear-gradient(
      -45deg,
      rgba(59,130,246,0.08) 0,
      rgba(59,130,246,0.08) 16px,
      rgba(255,255,255,0.7) 16px,
      rgba(255,255,255,0.7) 32px
    );
  color: var(--color-primary-hover);
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.photo-caption {
  padding: var(--space-md) var(--space-lg);
  font-size: 14px;
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.6;
}
.photo-lightbox {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 1200;
}
.photo-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}
.photo-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(23, 23, 23, 0.72);
  backdrop-filter: blur(6px);
}
.photo-lightbox-dialog {
  position: relative;
  z-index: 1;
  width: min(960px, calc(100vw - 48px));
  background: rgba(15, 23, 42, 0.86);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 24px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.35);
  padding: 24px 24px 18px;
}
.photo-lightbox-media {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 18px;
  overflow: hidden;
}
.photo-lightbox-media .photo-placeholder,
.photo-lightbox-media img {
  width: 100%;
  height: 100%;
}
.photo-lightbox-media img {
  display: block;
  object-fit: cover;
}
.photo-lightbox-caption {
  margin-top: 14px;
  color: rgba(255,255,255,0.86);
  font-size: 15px;
  line-height: 1.7;
}
.photo-lightbox-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.25s ease, transform 0.25s ease;
}
.photo-lightbox-close:hover {
  background: rgba(255,255,255,0.2);
  transform: scale(1.05);
}
body.photo-lightbox-open {
  overflow: hidden;
}
@keyframes photoWallScroll {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-50% - 12px)); }
}
@media (max-width: 768px) {
  .photo-card {
    width: 260px;
  }
  .photo-placeholder {
    font-size: 20px;
  }
  .photo-wall-track.is-hovering .photo-card,
  .photo-wall-track.is-hovering .photo-card.is-active {
    transform: none;
    filter: none;
    opacity: 1;
  }
  .photo-lightbox {
    padding: 16px;
  }
  .photo-lightbox-dialog {
    width: min(100%, calc(100vw - 32px));
    padding: 16px 16px 14px;
    border-radius: 18px;
  }
}

/* ═══════════════════════════════════════════
   HIGHLIGHTS
   ═══════════════════════════════════════════ */
.highlights {
  padding: var(--space-5xl) 0;
  background: var(--color-warm-white-alt);
}
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}
.highlight-card {
  background:
    linear-gradient(180deg, rgba(59,130,246,0.06), rgba(255,255,255,0.9)),
    var(--color-warm-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  min-height: 220px;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.highlight-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-blue);
  border-color: var(--color-primary-light);
}
.highlight-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  margin-bottom: var(--space-md);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.highlight-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}
.highlight-card p {
  font-size: 15px;
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.7;
}
@media (max-width: 900px) {
  .highlights-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .highlights-grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════ */
.contact { padding: var(--space-5xl) 0; }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  max-width: 980px;
  margin: 0 auto;
}
.contact-item {
  text-align: center;
  padding: var(--space-xl);
  background: var(--color-warm-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.contact-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
  border-color: var(--color-primary-light);
}
.contact-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-sm);
}
.contact-value {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 400;
  color: var(--color-navy);
  word-break: break-word;
}

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.footer {
  padding: var(--space-2xl) 0;
  background: var(--color-warm-white);
  text-align: center;
  border-top: 1px solid var(--color-border-light);
}
.footer p {
  font-size: 14px;
  font-weight: 300;
  color: var(--color-text-light);
}

/* ═══════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .loader { display: none; }
}