/* ============================================================
   QuantNeuro — Liquid Glass Design System  v4
   ============================================================
   LIGHT CREAM background · Frosted white glass cards
   Navy / dark-blue accents · Float animations · Sigmoid ease
   Minimalist biological + quantum motifs
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,400&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

/* ---------- Variables ---------- */
:root {
  /* light cream backgrounds */
  --bg:             #faf4e8;
  --bg-deep:        #f3ebda;
  --bg-warm:        #f7eed9;

  /* white frosted glass */
  --glass:            rgba(255, 255, 255, 0.38);
  --glass-hover:      rgba(255, 255, 255, 0.55);
  --glass-border:     rgba(255, 255, 255, 0.55);
  --glass-border-hi:  rgba(255, 255, 255, 0.82);
  --glass-inset:      rgba(255, 255, 255, 0.70);
  --glass-shadow:     rgba(0, 0, 0, 0.06);
  --glass-shadow-hi:  rgba(0, 0, 0, 0.10);

  /* accents — navy / dark blue */
  --accent:           #1a2e5a;
  --accent-bright:    #253d72;
  --accent-glow:      rgba(26, 46, 90, 0.22);
  --accent-secondary: #0d1b3e;
  --accent-secondary-glow: rgba(13, 27, 62, 0.18);

  /* text — dark on light */
  --text:             #1a1a2e;
  --text-dim:         rgba(20, 20, 40, 0.55);
  --text-subtle:      rgba(20, 20, 40, 0.35);
  --text-bright:      #0d0d1a;
  --text-heading:     #0a0a18;

  /* typography */
  --font-heading: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-body:    'Space Grotesk', system-ui, -apple-system, sans-serif;

  /* layout */
  --nav-height:   72px;
  --section-pad:  clamp(64px, 9vw, 128px);
  --content-max:  1180px;
  --card-radius:  8px;
  --btn-radius:   4px;

  /* sigmoid easing */
  --ease-sig: cubic-bezier(0.45, 0.05, 0.55, 0.95);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 0.22s var(--ease-sig);
  --t-med:  0.48s var(--ease-sig);
  --t-slow: 0.75s var(--ease-sig);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img   { max-width: 100%; display: block; }
a     { color: var(--accent); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--accent-secondary); }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(30,30,50,0.15); border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: rgba(30,30,50,0.3); }

/* ============================================================
   BACKGROUND  — handled by network-bg.css / NetworkBackground
   ============================================================ */
#network-bg-root {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.page-wrap {
  position: relative; z-index: 1;
  min-height: 100vh;
  display: flex; flex-direction: column;
}

/* ============================================================
   NAV  —  Frosted Glass bar (light)
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-height);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 64px);
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(32px) saturate(1.6);
  -webkit-backdrop-filter: blur(32px) saturate(1.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.60);
  box-shadow: 0 1px 0 rgba(255,255,255,0.5), 0 4px 20px rgba(0,0,0,0.04);
  z-index: 1000;
  transition: background var(--t-med), box-shadow var(--t-med);
}
.nav.scrolled {
  background: rgba(255, 255, 255, 0.65);
  box-shadow: 0 1px 0 rgba(255,255,255,0.6), 0 6px 28px rgba(0,0,0,0.06);
}

.nav__logo {
  display: flex; align-items: center; gap: 0;
  color: var(--text-bright);
  transition: opacity var(--t-fast);
}
.nav__logo:hover { opacity: 0.75; color: var(--text-bright); }
.nav__logo img {
  height: 50px; width: auto;
  object-fit: contain;
}

.nav__links {
  list-style: none;
  display: flex; gap: clamp(16px, 2.5vw, 36px);
}
.nav__links a {
  color: var(--text-dim);
  font-family: var(--font-heading);
  font-size: 0.95rem; font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 2px; position: relative;
  transition: color var(--t-fast);
}
.nav__links a::after {
  content: '';
  position: absolute; bottom: 0; left: 0;
  width: 0; height: 1.5px;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
  border-radius: 1px;
  transition: width var(--t-med);
}
.nav__links a:hover,
.nav__links a.active { color: var(--text-bright); }
.nav__links a:hover::after,
.nav__links a.active::after { width: 100%; }

/* Mobile toggle */
.nav__toggle {
  display: none; background: none; border: none; cursor: pointer;
  flex-direction: column; gap: 5px; padding: 6px;
}
.nav__toggle span {
  display: block; width: 22px; height: 1.5px;
  background: var(--text); border-radius: 2px;
  transition: var(--t-fast);
}
@media (max-width: 768px) {
  .nav__toggle { display: flex; }
  .nav__links {
    position: fixed; top: var(--nav-height); right: 0;
    width: 260px; height: calc(100vh - var(--nav-height));
    flex-direction: column;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(32px);
    padding: 36px 28px; gap: 26px;
    transform: translateX(100%);
    transition: transform var(--t-med);
    border-left: 1px solid rgba(255,255,255,0.6);
    box-shadow: -8px 0 30px rgba(0,0,0,0.06);
  }
  .nav__links.open { transform: translateX(0); }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: calc(var(--nav-height) + 60px) 24px 100px;
  position: relative; overflow: hidden;
}

/* Soft colour orbs — disabled per design request */
.hero__orb { display: none !important; }

.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 18px; border-radius: var(--btn-radius);
  background: rgba(255,255,255,0.45);
  border: 1px solid rgba(255,255,255,0.65);
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  font-family: var(--font-heading);
  font-size: 0.78rem; font-weight: 500; color: var(--accent);
  letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 28px;
  animation: liquidFloat 8s ease-in-out infinite;
}
.hero__badge .dot {
  width: 5px; height: 5px; background: var(--accent);
  border-radius: 50%; animation: bioPulse 2.4s ease infinite;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 7.5vw, 5.6rem);
  font-weight: 700; line-height: 0.95;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--text-heading); margin-bottom: 24px;
  max-width: 900px;
}
.gradient-text {
  background: var(--accent-bright);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: clamp(0.95rem, 2vw, 1.08rem);
  color: var(--text-dim);
  max-width: 600px; margin-bottom: 48px; line-height: 1.75;
  font-weight: 400;
}

/* CTA */
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px; border-radius: var(--btn-radius);
  font-family: var(--font-heading);
  font-weight: 600; font-size: 0.92rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  cursor: pointer; border: none;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
  position: relative; overflow: hidden;
}
.btn--primary {
  background: linear-gradient(135deg, var(--accent-bright) 0%, var(--accent) 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px var(--accent-glow), 0 2px 8px rgba(0,0,0,0.08);
}
.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px var(--accent-glow), 0 4px 14px rgba(0,0,0,0.10);
  color: #ffffff;
}
.btn--glass {
  background: rgba(255,255,255,0.50);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.70);
  backdrop-filter: blur(16px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.8), 0 2px 10px rgba(0,0,0,0.04);
}
.btn--glass:hover {
  background: rgba(255,255,255,0.70);
  border-color: rgba(255,255,255,0.90);
  color: var(--text-bright);
  transform: translateY(-3px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.9), 0 6px 24px rgba(0,0,0,0.07);
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding: var(--section-pad) 24px;
  max-width: var(--content-max);
  margin: 0 auto; width: 100%;
}
.section__label {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-heading);
  font-size: 0.78rem; font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em; color: var(--accent);
  margin-bottom: 12px;
}
.section__label::before {
  content: ''; width: 28px; height: 1.5px; background: var(--accent);
}
.section__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700; color: var(--text-heading);
  text-transform: uppercase; letter-spacing: 0.01em;
  margin-bottom: 16px; line-height: 1.05;
}
.section__desc {
  color: var(--text-dim);
  max-width: 620px; margin-bottom: 52px;
  font-size: 1rem; line-height: 1.75;
}

/* ============================================================
   LIQUID GLASS CARD
   ============================================================ */
.glass-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);
  padding: 36px;
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  box-shadow:
    0 8px 32px var(--glass-shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.70),
    inset 0 -1px 0 rgba(0, 0, 0, 0.02);
  position: relative; overflow: hidden;
  animation: liquidFloat 7s ease-in-out infinite, cardGlow 7s ease-in-out infinite;
  transition: border-color var(--t-med), transform var(--t-med), box-shadow var(--t-med);
  will-change: transform;
}

/* Specular top-edge shimmer */
.glass-card::before {
  content: '';
  position: absolute; top: 0; left: 8%; right: 8%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.90) 40%, rgba(255,255,255,1) 50%, rgba(255,255,255,0.90) 60%, transparent);
  pointer-events: none;
}

/* Hover glow */
.glass-card::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at top left, rgba(26,46,90,0.06) 0%, transparent 60%);
  opacity: 0; transition: opacity var(--t-med);
  pointer-events: none; border-radius: inherit;
}
.glass-card:hover {
  border-color: var(--glass-border-hi);
  animation-play-state: paused;
  transform: translateY(-6px) scale(1.01);
  box-shadow:
    0 20px 50px var(--glass-shadow-hi),
    inset 0 1px 0 rgba(255, 255, 255, 0.85),
    0 0 20px rgba(26, 46, 90, 0.06);
}
.glass-card:hover::after { opacity: 1; }

/* Stagger */
.glass-card:nth-child(1) { animation-delay: 0s, 0s; }
.glass-card:nth-child(2) { animation-delay: -2.4s, -2.4s; }
.glass-card:nth-child(3) { animation-delay: -4.8s, -4.8s; }
.glass-card:nth-child(4) { animation-delay: -1.2s, -1.2s; }
.glass-card:nth-child(5) { animation-delay: -3.6s, -3.6s; }
.glass-card:nth-child(6) { animation-delay: -5.5s, -5.5s; }
.glass-card:nth-child(7) { animation-delay: -0.8s, -0.8s; }

@keyframes liquidFloat {
  0%, 100% { transform: translateY(0px); }
  30%      { transform: translateY(-5px); }
  60%      { transform: translateY(-3px); }
}

@keyframes cardGlow {
  0%, 100% {
    box-shadow:
      0 8px 32px var(--glass-shadow),
      inset 0 1px 0 rgba(255,255,255,0.70);
  }
  50% {
    box-shadow:
      0 14px 44px var(--glass-shadow-hi),
      inset 0 1px 0 rgba(255,255,255,0.85);
  }
}

@keyframes bioPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.4); }
}

/* ============================================================
   CARD GRID
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.card-grid .glass-card__icon {
  width: 46px; height: 46px; margin-bottom: 18px;
  color: var(--accent);
  filter: drop-shadow(0 0 6px var(--accent-glow));
}
.card-grid .glass-card h3 {
  font-family: var(--font-heading);
  font-size: 1.28rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--text-bright); margin-bottom: 10px;
}
.card-grid .glass-card p {
  color: var(--text-dim); font-size: 0.95rem; line-height: 1.68;
}
.card-grid .glass-card .card-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 20px;
  font-family: var(--font-heading);
  font-weight: 600; font-size: 0.88rem;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--accent);
  transition: gap var(--t-fast), color var(--t-fast);
}
.card-grid .glass-card .card-link:hover {
  gap: 11px; color: var(--accent-secondary);
}

/* ============================================================
   RESEARCH PAGE
   ============================================================ */
.research-area {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 52px; align-items: center; margin-bottom: 88px;
}
.research-area:nth-child(even) { direction: rtl; }
.research-area:nth-child(even) > * { direction: ltr; }

.research-area__visual {
  position: relative; aspect-ratio: 4/3;
  border-radius: var(--card-radius); overflow: hidden;
  background: rgba(255,255,255,0.30);
  border: 1px solid rgba(255,255,255,0.55);
  backdrop-filter: blur(20px);
  display: flex; align-items: center; justify-content: center;
  animation: liquidFloat 9s ease-in-out infinite;
  box-shadow: 0 8px 28px rgba(0,0,0,0.05), inset 0 1px 0 rgba(255,255,255,0.6);
}
.research-area__visual svg { width: 72%; height: 72%; opacity: 0.70; }

.research-area__content h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.02em;
  color: var(--text-heading); margin-bottom: 16px; line-height: 1.1;
}
.research-area__content p {
  color: var(--text-dim); line-height: 1.78; font-size: 1rem;
}

@media (max-width: 768px) {
  .research-area,
  .research-area:nth-child(even) {
    grid-template-columns: 1fr; direction: ltr; gap: 24px; margin-bottom: 60px;
  }
}

/* ============================================================
   PUBLICATIONS
   ============================================================ */
.pub-list { display: flex; flex-direction: column; gap: 16px; }
.pub-item {
  position: relative;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 12px;
  padding: 10px;
  min-height: 220px;
  color: inherit;
  cursor: pointer;
  transition:
    transform 0.28s var(--ease-out),
    box-shadow 0.38s ease-in;
  will-change: transform, box-shadow;
}
.pub-item:hover,
.pub-item:focus-within {
  transform: translateY(-6px);
  box-shadow:
    0 14px 36px rgba(13, 27, 62, 0.14),
    0 0 32px rgba(26, 46, 90, 0.18),
    0 0 64px rgba(26, 46, 90, 0.09);
}
/* No effects on the image */
.pub-item:hover .pub-item__thumbnail,
.pub-item:focus-within .pub-item__thumbnail {
  transform: none;
  box-shadow: none;
}
.pub-item__link {
  position: absolute;
  inset: 0;
  z-index: 1;  /* sits BEHIND text content so text is selectable */
  border-radius: 8px;
  display: block;
  cursor: pointer;
  text-decoration: none;
}
.pub-item__link:focus-visible {
  outline: 3px solid rgba(41, 86, 199, 0.85);
  outline-offset: 2px;
}
.pub-item > *:not(.pub-item__link) {
  position: relative;
  /* no z-index — thumbnail stays below the link so clicking image navigates */
}

.pub-item__content {
  flex: 1 1 0;
  padding: 8px;
  z-index: 2;    /* above the link — clicks on text don't trigger navigation */
  cursor: auto;  /* shows text cursor so users know they can select/copy */
}
.pub-item__thumbnail,
.pub-item__img {
  flex: 0 0 clamp(220px, 38%, 420px);
  aspect-ratio: 16 / 10;
  max-height: calc(100% - 10px);
  min-height: 140px;
  border-radius: 8px;
  overflow: hidden;
  background: rgba(255,255,255,0.22);
  border: 1px solid rgba(255,255,255,0.45);
  object-fit: cover;
}
.pub-item__thumbnail img,
.pub-item__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.pub-item__tag {
  display: inline-block; padding: 3px 10px; border-radius: 2px;
  font-family: var(--font-heading);
  font-size: 0.72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.10em; margin-bottom: 12px;
}
.pub-item__tag--journal    { background: rgba(26,46,90,0.10); color: var(--accent); }
.pub-item__tag--conference { background: rgba(13,27,62,0.10); color: var(--accent-secondary); }
.pub-item__tag--preprint   { background: rgba(26,46,90,0.08); color: var(--accent); }

.pub-item h3 {
  font-family: var(--font-heading);
  font-size: 1.18rem; font-weight: 600;
  color: var(--text-bright); margin-bottom: 8px; line-height: 1.3;
}
.pub-item__meta { font-size: 0.84rem; color: var(--text-subtle); }

@media (max-width: 860px) {
  .pub-item {
    flex-direction: column;
    align-items: flex-start;
    min-height: auto;
    padding: 8px;
  }
  .pub-item__thumbnail {
    width: 100%;
    aspect-ratio: 16 / 10;
    height: auto;
    max-height: none;
    flex: none;
    margin-top: 12px;
  }
}

/* ============================================================
   NEWS
   ============================================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 26px;
}
.news-card { display: flex; flex-direction: column; }

.news-card__img {
  aspect-ratio: 16/9;
  border-radius: var(--card-radius) var(--card-radius) 0 0;  /* top corners only */
  background: linear-gradient(135deg, rgba(26,46,90,0.08), rgba(13,27,62,0.06));
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.50);
  border-bottom: none;
}
.news-card__body {
  background: var(--glass);
  border: 1px solid rgba(255,255,255,0.50);
  border-top: none;
  border-radius: 0 0 var(--card-radius) var(--card-radius);
  padding: 24px 28px; flex: 1;
  backdrop-filter: blur(24px) saturate(1.4);
  box-shadow: 0 8px 28px rgba(0,0,0,0.05), inset 0 -1px 0 rgba(0,0,0,0.02);
}
.news-card__date {
  font-family: var(--font-heading);
  font-size: 0.78rem; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.10em; margin-bottom: 8px;
}
.news-card__body h3 {
  font-family: var(--font-heading);
  font-size: 1.18rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.02em;
  color: var(--text-bright); margin-bottom: 10px; line-height: 1.2;
}
.news-card__body p { font-size: 0.91rem; color: var(--text-dim); line-height: 1.62; }

.news-card:nth-child(1) { animation: liquidFloat 8s ease-in-out infinite 0s; }
.news-card:nth-child(2) { animation: liquidFloat 8s ease-in-out infinite -2.7s; }
.news-card:nth-child(3) { animation: liquidFloat 8s ease-in-out infinite -5.3s; }
.news-card:nth-child(4) { animation: liquidFloat 8s ease-in-out infinite -1.8s; }

/* ============================================================
   TEAM
   ============================================================ */
.team-section-title {
  font-family: var(--font-heading);
  font-size: 0.85rem; font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em; color: var(--accent);
  margin-bottom: 28px; padding-bottom: 10px;
  border-bottom: 1.5px solid rgba(0,0,0,0.06);
}
.team-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-bottom: 68px;
}
.team-grid > .glass-card {
  flex: 1 1 320px;
  min-width: 280px;
  max-width: 360px;
}
.team-grid--pi {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 760px;
  margin: 0 auto;
}
.team-grid--pi > .glass-card {
  flex: 1 1 100%;
  max-width: none;
}

.team-card { text-align: center; padding: 32px 22px; }
.team-card--pi {
  display: flex; text-align: left; gap: 34px;
  align-items: center; padding: 42px;
}
.team-card p {
  text-align: left;
}
.team-card__photo {
  width: 120px; height: 120px;
  border-radius: 50%; object-fit: cover;
  border: 2px solid rgba(255,255,255,0.60);
  margin: 0 auto 16px; flex-shrink: 0;
  box-shadow: 0 4px 18px rgba(0,0,0,0.08);
  transition: border-color var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast);
}
.team-card:hover .team-card__photo {
  border-color: var(--accent);
  box-shadow: 0 0 18px var(--accent-glow), 0 6px 24px rgba(0,0,0,0.10);
  transform: scale(1.03);
}
.team-card--pi .team-card__photo { width: 150px; height: 150px; margin: 0; }

.team-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--text-bright); margin-bottom: 4px;
}
.team-card__role {
  font-family: var(--font-heading);
  font-size: 0.82rem; color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 10px; font-weight: 500;
}
.team-card p { font-size: 0.87rem; color: var(--text-dim); line-height: 1.62; }

@media (max-width: 640px) {
  .team-card--pi { flex-direction: column; text-align: center; }
  .team-card--pi .team-card__photo { margin: 0 auto; }
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: 52px; align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 26px; }
.contact-info__item { display: flex; align-items: flex-start; gap: 16px; }
.contact-info__item svg {
  width: 20px; height: 20px;
  color: var(--accent); flex-shrink: 0; margin-top: 3px;
}
.contact-info__item h4 {
  font-family: var(--font-heading);
  font-size: 1rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-bright); margin-bottom: 3px;
}
.contact-info__item p  { font-size: 0.88rem; color: var(--text-dim); }

.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-family: var(--font-heading);
  font-size: 0.82rem; color: var(--text-dim);
  font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em;
}

.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.50);
  border: 1px solid rgba(255,255,255,0.65);
  border-radius: var(--btn-radius); padding: 12px 16px;
  color: var(--text); font-family: var(--font-body); font-size: 0.93rem;
  backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.7);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  outline: none; resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-subtle); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.7);
}
.form-group textarea { min-height: 140px; }
.btn--submit { align-self: flex-start; }

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  margin-top: auto;
  padding: 42px 24px;
  text-align: center;
  border-top: 1px solid rgba(0,0,0,0.05);
  background: rgba(255, 255, 255, 0.30);
  backdrop-filter: blur(20px);
}
.footer__inner { max-width: var(--content-max); margin: 0 auto; }
.footer__brand {
  font-family: var(--font-heading);
  font-weight: 700; font-size: 1.1rem;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-bright); margin-bottom: 5px;
}
.footer p { font-size: 0.83rem; color: var(--text-subtle); }

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   DNA DIVIDER — animated SVG helix
   ============================================================ */
.dna-divider {
  position: relative; margin: 48px auto;
  width: 100%; height: clamp(40px, 10vw, 200px);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.dna-divider svg {
  width: 100%; height: 100%;
  opacity: 0.35;
}
.dna-divider .strand-1 {
  stroke: var(--accent);
  stroke-width: 2;
  fill: none;
  stroke-dasharray: 6 10;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  animation: dnaStrandScroll 4s linear infinite;
}
.dna-divider .strand-2 {
  stroke: var(--accent-secondary);
  stroke-width: 2;
  fill: none;
  stroke-dasharray: 6 10;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  animation: dnaStrandScroll 4s linear infinite reverse;
}
.dna-divider .rung {
  stroke: var(--accent);
  stroke-width: 1;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  opacity: 0.5;
}
.dna-divider .basepair {
  fill: var(--accent-secondary);
  opacity: 0.6;
}
@keyframes dnaStrandScroll {
  from { stroke-dashoffset: 0; }
  to   { stroke-dashoffset: -20; }
}

/* ============================================================
   UTILITY
   ============================================================ */
.text-gradient {
  background: linear-gradient(125deg, var(--accent-bright), var(--accent-secondary));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}