/* ==========================================
   KENDREN CORNISH PORTFOLIO — GLOBAL STYLES
   ========================================== */

/* ── TOKENS ── */
:root {
  --bg: #111315;
  --bg-2: #1c1d21;
  --bg-glass: rgba(255,255,255,0.03);
  --bg-glass-hover: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.18);

  /* Academic / Military Palette */
  --rose:    #8b2b2b;
  --peach:   #d38c44;
  --gold:    #c9b07a;
  --lime:    #58695d;
  --cyan:    #435b66;
  --sky:     #647b8a;
  --violet:  #463b52;
  --lavender:#67597a;

  --accent-1: #c9b07a;  /* Muted Gold */
  --accent-2: #8b2b2b;  /* Deep Crimson */
  --accent-3: #58695d;  /* Neutral Olive */

  --text:    #f4f4f6;
  --text-2:  #a1a1aa;
  --text-3:  #71717a;

  --font-sans: 'Inter', sans-serif;
  --font-display: 'Cormorant Garamond', serif;
  --font-serif: 'Cormorant Garamond', serif;

  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 4px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(167,139,250,0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent-1); border-radius: 3px; }

/* ── UTILITY ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 100px 0; }
.section-label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-1);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 48px;
}
.gradient-text {
  background: linear-gradient(135deg, var(--violet), var(--sky), var(--rose), var(--gold));
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradShift 6s ease infinite;
}
@keyframes gradShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.center-btn { text-align: center; margin-top: 48px; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: #fff;
  box-shadow: 0 4px 20px rgba(167,139,250,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(167,139,250,0.5);
}
.btn-ghost {
  background: var(--bg-glass);
  color: var(--text);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: var(--bg-glass-hover); border-color: var(--border-hover); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: var(--accent-1);
  border: 1px solid var(--accent-1);
}
.btn-outline:hover { background: rgba(167,139,250,0.1); transform: translateY(-2px); }

/* ── NAV ── */
#main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 24px;
  background: rgba(9,9,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.nav-inner {
  max-width: 1440px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  flex-wrap: wrap;
}
.nav-links a {
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  border-radius: 6px;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--bg-glass); }
.nav-cta {
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2)) !important;
  color: #fff !important;
  padding: 8px 18px !important;
  border-radius: 50px !important;
}
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; margin-left: auto; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 80px 24px 60px;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 60% 40%, rgba(107,91,255,0.12), transparent),
              radial-gradient(ellipse 60% 50% at 20% 70%, rgba(56,189,248,0.08), transparent),
              radial-gradient(ellipse 50% 50% at 80% 80%, rgba(244,114,182,0.06), transparent),
              var(--bg);
}
.hero-particles {
  position: absolute; inset: 0; pointer-events: none;
}
.hero-content {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}
.hero-eyebrow {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 28px;
}
.eyebrow-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-1);
  background: rgba(167,139,250,0.1);
  border: 1px solid rgba(167,139,250,0.25);
  padding: 5px 14px;
  border-radius: 50px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 8rem);
  font-weight: 700;
  line-height: 1.0;
  color: var(--text);
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-title .line-1 { font-weight: 300; opacity: 0.9; }
.hero-sub {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-style: italic;
  color: var(--text-2);
  margin-bottom: 20px;
}
.hero-desc {
  max-width: 600px;
  margin: 0 auto 36px;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.8;
}
.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 48px;
}
.hero-scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-3);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.scroll-arrow {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent-1), transparent);
  animation: scrollPulse 2s ease infinite;
}
@keyframes scrollPulse { 0%,100%{opacity:0.4;transform:scaleY(0.8)} 50%{opacity:1;transform:scaleY(1)} }
.hero-chinese-char {
  position: absolute;
  right: 5%;
  bottom: 10%;
  font-size: clamp(80px, 15vw, 220px);
  font-family: var(--font-serif);
  color: rgba(255,255,255,0.03);
  pointer-events: none;
  line-height: 1;
  user-select: none;
}

/* ── PILLARS ── */
.pillars { background: var(--bg-2); }
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.pillar-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.pillar-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(167,139,250,0.05), transparent);
  opacity: 0;
  transition: var(--transition);
}
.pillar-card:hover::before { opacity: 1; }
.pillar-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3), 0 0 0 1px rgba(167,139,250,0.1);
}
.pillar-icon { font-size: 2rem; line-height: 1; }
.pillar-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
}
.pillar-card p { color: var(--text-2); font-size: 14px; line-height: 1.7; flex: 1; }
.pillar-link { font-size: 13px; color: var(--accent-1); font-weight: 500; margin-top: 4px; }

/* ── UNICORN ── */
.unicorn { background: var(--bg); }
.unicorn-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.unicorn-text .section-title { margin-bottom: 20px; }
.unicorn-text p { color: var(--text-2); margin-bottom: 24px; line-height: 1.8; }
.pull-quote {
  border-left: 3px solid var(--accent-1);
  padding: 16px 24px;
  margin: 24px 0 32px;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--text);
  background: rgba(167,139,250,0.05);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Venn */
.venn-wrapper {
  position: relative;
  width: 340px;
  height: 340px;
  margin: 0 auto;
}
.venn-circle {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  line-height: 1.3;
  mix-blend-mode: screen;
}
.v1 { background: rgba(167,139,250,0.25); top: 0; left: 0; }
.v2 { background: rgba(56,189,248,0.25); top: 0; right: 0; }
.v3 { background: rgba(244,114,182,0.25); bottom: 0; left: 50%; transform: translateX(-50%); }
.venn-circle span { color: var(--text); }
.venn-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 80px; height: 80px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

/* ── RESEARCH CARDS ── */
.featured-research { background: var(--bg-2); }
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.research-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.research-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow); }
.research-card.featured { border-color: rgba(167,139,250,0.3); background: rgba(167,139,250,0.05); }
.card-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-1);
}
.research-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.research-card p { color: var(--text-2); font-size: 14px; line-height: 1.7; flex: 1; }
.card-tags-row { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 50px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--text-2);
}
.card-link { font-size: 13px; color: var(--accent-1); font-weight: 500; transition: var(--transition); }
.card-link:hover { color: var(--accent-2); }

/* ── BLOG ── */
.blog-preview { background: var(--bg); }
.blog-list { display: flex; flex-direction: column; gap: 2px; }
.blog-item {
  display: grid;
  grid-template-columns: 48px 1fr 40px;
  gap: 24px;
  align-items: center;
  padding: 24px 20px;
  border-radius: var(--radius);
  transition: var(--transition);
  border: 1px solid transparent;
}
.blog-item:hover { background: var(--bg-glass); border-color: var(--border); }
.blog-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: rgba(167,139,250,0.3);
}
.blog-category {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-2);
  display: block;
  margin-bottom: 6px;
}
.blog-info h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.blog-info p { font-size: 13px; color: var(--text-2); }
.blog-arrow { color: var(--text-3); font-size: 1.2rem; transition: var(--transition); }
.blog-item:hover .blog-arrow { color: var(--accent-1); transform: translateX(4px); }

/* ── GRAD TARGETS ── */
.grad-targets { background: var(--bg-2); }
.schools-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.school-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  width: 200px;
  transition: var(--transition);
  flex-shrink: 0;
}
.school-card:hover { border-color: var(--accent-1); transform: translateY(-4px); box-shadow: 0 0 20px rgba(167,139,250,0.1); }
.school-logo-placeholder {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin: 0 auto 16px;
}
.school-card h4 { font-family: var(--font-display); font-size: 1rem; font-weight: 600; margin-bottom: 6px; }
.odds {
  display: block;
  font-size: 12px;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 8px;
}
.school-card p { font-size: 12px; color: var(--text-2); line-height: 1.5; }

/* ── STATS BANNER ── */
.stats-banner {
  background: linear-gradient(135deg, rgba(107,91,255,0.1), rgba(56,189,248,0.05), rgba(244,114,182,0.05));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 60px 24px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 40px;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label { font-size: 13px; color: var(--text-2); }

/* ── PAGE HERO (inner pages) ── */
.page-hero {
  padding: 120px 24px 80px;
  text-align: center;
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(107,91,255,0.08), transparent);
  border-bottom: 1px solid var(--border);
  margin-top: 64px;
}
.page-hero-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-1);
  margin-bottom: 16px;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 20px;
}
.page-hero p {
  max-width: 640px;
  margin: 0 auto;
  color: var(--text-2);
  font-size: 1.05rem;
  line-height: 1.8;
}

/* ── PROSE ── */
.prose-section { padding: 80px 0; }
.prose { max-width: 780px; }
.prose h2, .prose h3 {
  font-family: var(--font-display);
  color: var(--text);
  margin: 40px 0 16px;
}
.prose h2 { font-size: 1.8rem; }
.prose h3 { font-size: 1.3rem; color: var(--accent-1); }
.prose p { color: var(--text-2); line-height: 1.9; margin-bottom: 20px; }
.prose blockquote {
  border-left: 3px solid var(--accent-1);
  padding: 16px 24px;
  margin: 28px 0;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--text);
  background: rgba(167,139,250,0.05);
}
.prose ul, .prose ol {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}
.prose ul li, .prose ol li {
  position: relative;
  padding-left: 24px;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 8px;
}
.prose ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent-1);
  font-size: 12px;
  top: 4px;
}
.prose ol { counter-reset: list-counter; }
.prose ol li { counter-increment: list-counter; }
.prose ol li::before {
  content: counter(list-counter) '.';
  position: absolute;
  left: 0;
  color: var(--accent-1);
  font-weight: 600;
  font-size: 13px;
}
.prose strong { color: var(--text); font-weight: 600; }

/* ── PHOTO GRID ── */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin: 40px 0;
}
.photo-slot {
  aspect-ratio: 4/5;
  background: var(--bg-glass);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-3);
  font-size: 13px;
  text-align: center;
  padding: 20px;
  transition: var(--transition);
}
.photo-slot:hover { border-color: var(--accent-1); background: rgba(167,139,250,0.05); }
.photo-slot .icon { font-size: 2rem; }
.photo-slot p { font-size: 12px; color: var(--text-3); margin: 0; }
.photo-uploaded {
  aspect-ratio: 4/5;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.photo-uploaded img { width: 100%; height: 100%; object-fit: cover; object-position: center 20%; transition: var(--transition); }
.photo-uploaded:hover img { transform: scale(1.04); }

/* ── TESTIMONIAL / CALLOUT BANNER ── */
.callout-banner {
  background: linear-gradient(135deg, rgba(167,139,250,0.12), rgba(56,189,248,0.08));
  border: 1px solid rgba(167,139,250,0.2);
  border-radius: var(--radius);
  padding: 40px 48px;
  margin: 48px 0;
}
.callout-banner h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}
.callout-banner p { color: var(--text-2); line-height: 1.8; max-width: 640px; }

/* ── CHINESE TEXT ELEMENT ── */
.chinese-float {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 8rem);
  color: rgba(255,255,255,0.03);
  text-align: right;
  line-height: 1;
  user-select: none;
  pointer-events: none;
}
.chinese-emphasis {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--accent-1);
  opacity: 0.7;
}

/* ── RESOURCE LINK CARDS ── */
.link-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 24px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  margin-bottom: 12px;
  color: var(--text);
}
.link-card:hover { border-color: var(--accent-1); background: var(--bg-glass-hover); transform: translateX(4px); }
.link-card-icon { font-size: 1.8rem; flex-shrink: 0; }
.link-card-info h4 { font-weight: 600; margin-bottom: 4px; font-family: var(--font-display); }
.link-card-info p { font-size: 13px; color: var(--text-2); margin: 0; }
.link-card-arrow { margin-left: auto; color: var(--text-3); font-size: 1.2rem; transition: var(--transition); }
.link-card:hover .link-card-arrow { color: var(--accent-1); }

/* ── TIMELINE ── */
.timeline { position: relative; padding-left: 24px; margin: 40px 0; }
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-1), var(--accent-2), transparent);
}
.timeline-item {
  position: relative;
  padding: 0 0 40px 32px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -5px; top: 6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent-1);
  border: 2px solid var(--bg);
}
.timeline-date { font-size: 12px; color: var(--accent-1); font-weight: 600; letter-spacing: 0.08em; margin-bottom: 6px; }
.timeline-item h4 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
.timeline-item p { font-size: 14px; color: var(--text-2); }

/* ── ACCORDION ── */
.accordion-item {
  border-bottom: 1px solid var(--border);
}
.accordion-trigger {
  width: 100%;
  text-align: left;
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  background: none;
  border: none;
  transition: var(--transition);
}
.accordion-trigger:hover { color: var(--accent-1); }
.accordion-trigger::after { content: '+'; color: var(--accent-1); font-size: 1.4rem; transition: var(--transition); }
.accordion-trigger.open::after { content: '−'; }
.accordion-content { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.accordion-content.open { max-height: 1000px; }
.accordion-content p { padding-bottom: 20px; color: var(--text-2); line-height: 1.8; }

/* ── FOOTER ── */
.site-footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}
.footer-brand p { color: var(--text-2); font-size: 14px; line-height: 1.8; }
.footer-nav-col h5 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.footer-nav-col ul li { margin-bottom: 10px; }
.footer-nav-col a { color: var(--text-2); font-size: 13px; transition: var(--transition); }
.footer-nav-col a:hover { color: var(--accent-1); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-bottom p { font-size: 13px; color: var(--text-3); }
.footer-quote { font-family: var(--font-serif); font-style: italic; color: var(--accent-1); opacity: 0.7; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .unicorn-inner { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section-pad { padding: 64px 0; }
  .nav-links { display: none; flex-direction: column; position: fixed; inset: 0; background: rgba(9,9,15,0.98); backdrop-filter: blur(20px); justify-content: center; align-items: center; gap: 12px; z-index: 999; }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1.2rem; padding: 10px 24px; }
  .nav-toggle { display: flex; }
  .hero-cta-row { flex-direction: column; align-items: center; }
  .pillars-grid { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: 1fr; }
  .blog-item { grid-template-columns: 40px 1fr; }
  .blog-arrow { display: none; }
  .schools-row { flex-direction: column; align-items: center; }
  .school-card { width: 100%; max-width: 340px; }
  .footer-inner { grid-template-columns: 1fr; }
  .venn-wrapper { width: 280px; height: 280px; }
  .venn-circle { width: 160px; height: 160px; }
  .callout-banner { padding: 28px 24px; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .photo-grid { grid-template-columns: 1fr; }
}

/* ── HERO TEXT ROTATION ── */
.hero-rotating-text {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  color: var(--gold);
  text-align: center;
  margin-bottom: 40px;
  min-height: 100px;
  position: relative;
  width: 100%;
}
.rotating-phrase {
  position: absolute;
  left: 0;
  right: 0;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  pointer-events: none;
}
.rotating-phrase.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ── NEWSLETTER MODAL ── */
.newsletter-modal {
  position: fixed;
  inset: 0;
  background: rgba(9, 9, 15, 0.9);
  backdrop-filter: blur(10px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}
.newsletter-modal.open {
  opacity: 1;
  pointer-events: auto;
}
.newsletter-modal .modal-content {
  background: var(--bg-2);
  border: 1px solid var(--accent-1);
  border-radius: var(--radius);
  padding: 40px;
  width: 90%;
  max-width: 480px;
  position: relative;
  transform: translateY(20px);
  transition: var(--transition);
  box-shadow: var(--shadow-glow);
}
.newsletter-modal.open .modal-content {
  transform: translateY(0);
}
.newsletter-modal h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text);
  margin-bottom: 12px;
}
.newsletter-modal p {
  color: var(--text-2);
  font-size: 14px;
  margin-bottom: 24px;
  line-height: 1.6;
}
.newsletter-modal input {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-sans);
  margin-bottom: 10px;
  outline: none;
  transition: var(--transition);
}
.newsletter-modal input:focus {
  border-color: var(--accent-1);
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 1.5rem;
  color: var(--text-3);
  transition: var(--transition);
  background: none;
  border: none;
  cursor: pointer;
}
.modal-close:hover {
  color: var(--text);
}

/* ── MOBILE APP ENHANCEMENTS ── */

/* Safe area insets for notch/home indicator */
body {
  padding-bottom: env(safe-area-inset-bottom);
}

/* Touch scroll momentum */
* { -webkit-overflow-scrolling: touch; }

/* Touch tap highlight removal */
a, button { -webkit-tap-highlight-color: transparent; }

/* Minimum touch target size */
.nav-toggle { min-width: 44px; min-height: 44px; align-items: center; justify-content: center; }
.nav-links a { min-height: 44px; display: flex; align-items: center; }

/* ── MOBILE BOTTOM NAV BAR ── */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 9900;
  background: rgba(13,14,18,0.96);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  backdrop-filter: saturate(180%) blur(16px);
  border-top: 1px solid rgba(255,255,255,0.07);
  height: calc(60px + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
}
.mobile-bottom-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  height: 60px;
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.18s, background 0.18s;
  -webkit-tap-highlight-color: transparent;
}
.mobile-bottom-nav a .mnav-icon { font-size: 1.3rem; line-height: 1; margin-bottom: 2px; }
.mobile-bottom-nav a.active  { color: var(--gold); background: rgba(201,176,122,0.07); }
.mobile-bottom-nav a:active  { background: rgba(255,255,255,0.05); }

/* ── APP DRAWER (FULL-SCREEN GRID UI) ── */
.mobile-app-drawer {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 85svh;
  background: rgba(10,11,14,0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-top-left-radius: 24px;
  border-top-right-radius: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 -10px 40px rgba(0,0,0,0.5);
  z-index: 9999;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.32, 0.72, 0, 1);
  display: flex;
  flex-direction: column;
  padding: 24px 20px calc(24px + env(safe-area-inset-bottom));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.mobile-app-drawer.open { transform: translateY(0); }

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.drawer-header h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--text);
  margin: 0;
}
.drawer-close {
  background: rgba(255,255,255,0.1);
  border: none;
  color: var(--text);
  width: 32px; height: 32px;
  border-radius: 50%;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
}

.drawer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.drawer-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 16px;
  padding: 16px 8px;
  text-decoration: none;
  color: var(--text-2);
  transition: background 0.2s, border 0.2s;
  -webkit-tap-highlight-color: transparent;
}
.drawer-link.active {
  background: rgba(201,176,122,0.1);
  border-color: rgba(201,176,122,0.3);
  color: var(--gold);
}
.drawer-link:active { background: rgba(255,255,255,0.08); }
.drawer-icon { font-size: 1.8rem; margin-bottom: 8px; line-height: 1; }
.drawer-label { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; text-align: center; }

/* When bottom nav is shown, push content up */
@media (max-width: 768px) {
  .mobile-bottom-nav { display: grid; grid-template-columns: repeat(5, 1fr); }

  body { padding-bottom: calc(72px + env(safe-area-inset-bottom)); }
  /* Hide top nav on mobile to avoid double nav */
  #main-nav { display: none; }

  /* App-style hero adjustments */
  .hero { margin: 0 !important; border-radius: 0 !important; min-height: 100svh; }

  /* Card touch feedback */
  .pillar-card:active, .research-card:active, .link-card:active,
  .blog-item:active, .fintech-card:active { transform: scale(0.98); }

  /* Larger text for readability */
  .prose p, .ra-body p, .capstone-card p { font-size: 15px; line-height: 1.85; }

  /* Full-width buttons on mobile */
  .hero-cta-row .btn { width: 100%; justify-content: center; max-width: 320px; }

  /* Stack capstone cards */
  .capstone-card { padding: 24px 20px; }

  /* Section padding tighter on mobile */
  .section-pad { padding: 48px 0; }
  .prose-section { padding: 48px 0; }

  /* Cert hero stacked */
  .cert-hero { padding: 80px 16px 48px; }

  /* Module grid single col */
  .module-grid { grid-template-columns: 1fr; }

  /* Skills grid single col */
  .skill-bar-group { margin-bottom: 24px; }

  /* Achievements grid single col */
  .achievements-grid { grid-template-columns: 1fr; }

  /* Research area compact */
  .research-area { grid-template-columns: 40px 1fr; gap: 16px; }
  .ra-num { font-size: 2rem; }

  /* Ext links grid single col */
  .ext-links-grid { grid-template-columns: 1fr; }

  /* Float element hidden on mobile */
  .hero-chinese-char { display: none; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .section-title { font-size: 1.8rem; }
  .page-hero h1 { font-size: 2rem; }
  .cert-hero h1 { font-size: 1.8rem; }
  .cert-badge-img { width: 160px; height: 160px; }
  .credential-ribbon { padding: 24px 16px; }
  .capstone-card { padding: 20px 16px; }
  .capstone-card h3 { font-size: 1.2rem; }
  .callout-banner { padding: 20px 16px; }
}

/* ── PWA INSTALL BANNER ── */
.pwa-install-banner {
  position: fixed;
  bottom: calc(72px + env(safe-area-inset-bottom) + 8px);
  left: 12px; right: 12px;
  background: linear-gradient(135deg, rgba(139,43,43,0.95), rgba(17,19,21,0.98));
  border: 1px solid rgba(201,176,122,0.3);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  z-index: 1000;
  transform: translateY(120%);
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
}
.pwa-install-banner.show { transform: translateY(0); }
.pwa-install-banner .banner-icon { font-size: 2rem; flex-shrink: 0; }
.pwa-install-banner .banner-text h4 { font-family: var(--font-display); font-weight: 700; font-size: 1rem; margin-bottom: 2px; }
.pwa-install-banner .banner-text p { font-size: 12px; color: var(--text-2); margin: 0; }
.pwa-install-banner .banner-actions { display: flex; gap: 8px; margin-left: auto; flex-shrink: 0; }
.pwa-install-btn { font-size: 12px; font-weight: 700; padding: 8px 14px; border-radius: 50px; cursor: pointer; transition: var(--transition); }
.pwa-install-btn.confirm { background: var(--gold); color: #111; border: none; }
.pwa-install-btn.dismiss { background: transparent; color: var(--text-2); border: 1px solid var(--border); }
.pwa-install-btn:hover { transform: scale(1.05); }

/* Desktop: hide bottom nav, show top nav */
@media (min-width: 769px) {
  .mobile-bottom-nav { display: none !important; }
  #main-nav { display: block !important; }
  .pwa-install-banner {
    bottom: 20px;
    max-width: 420px;
    left: auto;
    right: 20px;
  }
}

/* ── ROTATING TEXT MOBILE FIX ── */
@media (max-width: 768px) {
  .hero-rotating-text { min-height: 80px; font-size: 1rem; }
}