/* ═══════════════════════════════════════════════════════════
   BioFabriX Website — Stylesheet
   Theme: White + Light Blue · Navy accents · Cyan (#00D8D8)
   ═══════════════════════════════════════════════════════════ */

/* ── Custom Properties ── */
:root {
  --navy:         #1B2B40;
  --navy-light:   #243654;
  --navy-dark:    #111D2B;
  --cyan:         #00D8D8;
  --cyan-dark:    #00A8A8;
  --cyan-mid:     #00C0C0;
  --cyan-light:   #E0FAFA;
  --cyan-pale:    #F0FEFF;
  --white:        #FFFFFF;
  --gray-50:      #F7F9FC;
  --gray-100:     #EDF1F7;
  --gray-200:     #D9E2EE;
  --gray-300:     #B8C8DC;
  --gray-400:     #8FA4BE;
  --gray-500:     #637A92;
  --gray-700:     #374151;
  --text-dark:    #1B2B40;
  --text-body:    #4A5568;
  --text-muted:   #718096;

  /* Shadows */
  --shadow-sm:    0 1px 4px rgba(0,0,0,0.06);
  --shadow-md:    0 4px 20px rgba(0,0,0,0.07);
  --shadow-lg:    0 12px 40px rgba(0,0,0,0.1);
  --shadow-xl:    0 24px 64px rgba(0,0,0,0.13);
  --shadow-cyan:  0 0 0 2px rgba(0,216,216,0.25), 0 16px 48px rgba(0,216,216,0.18), 0 6px 20px rgba(0,0,0,0.06);
  --shadow-card:  0 2px 12px rgba(0,0,0,0.05), 0 1px 4px rgba(0,0,0,0.04);

  /* Easing */
  --ease:         cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --spring:       cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-in-out:  cubic-bezier(0.4, 0, 0.2, 1);

  /* Geometry */
  --radius-sm:    6px;
  --radius:       12px;
  --radius-lg:    18px;
  --radius-xl:    24px;
  --radius-2xl:   32px;

  --navbar-h:     72px;
  --container:    1200px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: 1rem; border: none; outline: none; }
textarea { resize: vertical; }

/* ── Typography ── */
h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.025em; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.018em; }
h3 { font-size: 1.175rem; font-weight: 600; line-height: 1.35; }
h4 { font-size: 0.9375rem; font-weight: 600; }
p  { color: var(--text-body); }

/* ── Container ── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 40px);
}

/* ── Sections ── */
.section        { padding: clamp(64px, 8vw, 112px) 0; position: relative; }
.section--navy  { background: var(--navy); }

/* White sections: fine grid pattern */
.section--white { background: var(--white); }
.section--white::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,216,216,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,216,216,0.055) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}

/* Light sections: subtle diagonal stripe pattern */
.section--light { background: linear-gradient(180deg, #F5F9FD 0%, #F0F7FD 100%); }
.section--light::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(0,150,200,0.04),
    rgba(0,150,200,0.04) 1px,
    transparent 1px,
    transparent 28px
  );
  pointer-events: none;
  z-index: 0;
}

/* Ensure content sits above decorative patterns */
.section--white > .container,
.section--light > .container {
  position: relative;
  z-index: 1;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.22s var(--ease), color 0.22s var(--ease),
              border-color 0.22s var(--ease), transform 0.28s var(--spring),
              box-shadow 0.28s var(--ease);
  position: relative;
  overflow: hidden;
}
.btn:active { transform: scale(0.97) !important; }

/* Primary: cyan */
.btn-primary {
  background: var(--cyan);
  color: var(--navy-dark);
}
.btn-primary:hover {
  background: var(--cyan-mid);
  box-shadow: 0 6px 24px rgba(0,216,216,0.4);
  transform: translateY(-2px);
}

/* Outline: dark navy border/text (for light backgrounds) */
.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid rgba(27,43,64,0.28);
}
.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(27,43,64,0.2);
}

/* Sizes */
.btn-lg  { padding: 14px 30px; font-size: 1rem; }
.btn-sm  { padding: 9px 18px; font-size: 0.875rem; }
.btn-full { width: 100%; justify-content: center; }

/* ── Section Header ── */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto clamp(40px, 6vw, 72px);
}
.section-header h2 { margin: 12px 0 16px; }
.section-header p  { font-size: 1.0625rem; color: var(--text-body); }
.section-header--light h2 { color: var(--white); }
.section-header--light p  { color: rgba(255,255,255,0.68); }

/* ── Section Tag ── */
.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--cyan-dark);
  background: var(--cyan-light);
  padding: 5px 14px;
  border-radius: 100px;
}
.section-tag--cyan { color: var(--navy-dark); background: var(--cyan); }

/* ── Text utilities ── */
.text-gradient {
  background: linear-gradient(135deg, var(--cyan-dark) 0%, #0088BB 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-underline-cyan {
  position: relative;
  color: var(--navy);
  display: inline-block;
}
.text-underline-cyan::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 5px;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-dark));
  border-radius: 3px;
  opacity: 0.45;
}

/* ══════════════════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════════════════ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--navbar-h);
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}
#navbar.scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: 0 4px 24px rgba(0,0,0,0.09);
}

.nav-container {
  max-width: var(--container);
  width: 100%;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 40px);
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-logo img { height: 42px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}
.nav-link {
  color: var(--gray-500);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 7px 13px;
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover, .nav-link.active {
  color: var(--navy);
  background: var(--gray-50);
}

.nav-cta { margin-left: 8px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}
.nav-toggle:hover { background: var(--gray-50); }
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.25s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ══════════════════════════════════════════════════════
   HERO — Full-screen animated SVG · text card top-right
══════════════════════════════════════════════════════ */
.hero {
  height: 100vh;
  background: var(--white);
  position: relative;
  overflow: hidden;
}

/* Ambient glow behind SVG */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 5% 50%,  rgba(0,216,216,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 50% 70% at 95% 15%,  rgba(0,120,190,0.06) 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 50% 105%, rgba(0,200,220,0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* Floating particles */
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.hero-particle {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: var(--s);
  height: var(--s);
  border-radius: 50%;
  background: var(--cyan);
  opacity: 0;
  animation: particle-float var(--d) var(--delay) ease-in-out infinite;
}
@keyframes particle-float {
  0%   { opacity: 0;    transform: translate(0, 0)           scale(0.7); }
  25%  { opacity: 0.12; transform: translate(14px, -22px)    scale(1.2); }
  60%  { opacity: 0.08; transform: translate(-8px, 8px)      scale(0.9); }
  100% { opacity: 0;    transform: translate(5px, -10px)     scale(0.7); }
}

/* Full-screen SVG background */
.hero-full-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--navbar-h);
  z-index: 1;
}
.chip-svg {
  height: calc(100% - 16px);
  width: auto;
  max-width: 100%;
  display: block;
}

/* Glassmorphism text card — overlaid top-right */
.hero-text-card {
  position: absolute;
  top: calc(var(--navbar-h) + 28px);
  right: max(36px, 4vw);
  width: min(380px, 38vw);
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(0,216,216,0.22);
  border-radius: var(--radius-2xl);
  padding: clamp(22px, 2.5vw, 34px);
  box-shadow:
    0 4px 40px rgba(0,0,0,0.13),
    0 0 0 1px rgba(255,255,255,0.55) inset;
  z-index: 2;
}

/* Hero heading inside card — smaller than full-page h1 */
.hero-text-card h1 {
  font-size: clamp(1.55rem, 2.8vw, 2.25rem);
  color: var(--navy);
  margin-bottom: 14px;
}

/* Hero badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--cyan-light);
  border: 1px solid rgba(0,216,216,0.35);
  color: var(--cyan-dark);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 13px;
  border-radius: 100px;
  margin-bottom: 16px;
}

/* Hero subtitle */
.hero-subtitle {
  color: var(--text-body);
  font-size: clamp(0.85rem, 1.2vw, 0.9875rem);
  margin-bottom: 22px;
  line-height: 1.65;
}

/* CTA buttons */
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

/* Mini stats row */
.hero-stats-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid rgba(0,216,216,0.2);
}
.hero-stat-mini {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
}
.stat-val {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--cyan-dark);
  line-height: 1;
  margin-bottom: 2px;
}
.stat-lbl {
  font-size: 0.67rem;
  font-weight: 600;
  color: var(--gray-500);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.stat-sep {
  color: rgba(0,216,216,0.45);
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* Scroll hint */
.hero-scroll {
  position: absolute;
  bottom: 24px; left: 50%;
  transform: translateX(-50%);
  color: rgba(27,43,64,0.3);
  font-size: 1rem;
  animation: bounce-y 2.2s ease infinite;
  z-index: 2;
}
@keyframes bounce-y {
  0%, 100% { transform: translateX(-50%) translateY(0);  }
  50%       { transform: translateX(-50%) translateY(7px); }
}

/* ══════════════════════════════════════════════════════
   FEATURES (Why BioFabriX)
══════════════════════════════════════════════════════ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.feature-card {
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius-xl);
  padding: 30px 24px 28px;
  text-align: center;
  cursor: default;
  position: relative;
  overflow: hidden;
  transition:
    transform    0.38s var(--spring),
    box-shadow   0.32s var(--ease),
    border-color 0.25s var(--ease);
  will-change: transform;
}
/* Glow gradient overlay (revealed on hover) */
.feature-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, rgba(0,216,216,0.06) 0%, transparent 65%);
  opacity: 0;
  border-radius: inherit;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
}
.feature-card:hover {
  transform: translateY(-10px) scale(1.015);
  box-shadow: var(--shadow-cyan);
  border-color: rgba(0,216,216,0.55);
}
.feature-card:hover::after { opacity: 1; }

.feature-card__icon {
  width: 64px; height: 64px;
  margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: background 0.3s var(--ease), transform 0.5s var(--spring), box-shadow 0.3s var(--ease);
}
.feature-card__icon img {
  width: 40px; height: 40px;
  object-fit: contain;
  filter: brightness(0) saturate(100%) invert(16%) sepia(33%) saturate(850%)
          hue-rotate(185deg) brightness(85%) contrast(95%);
  transition: filter 0.3s var(--ease), transform 0.4s var(--spring);
}
.feature-card:hover .feature-card__icon {
  background: var(--cyan-light);
  transform: scale(1.12);
  box-shadow: 0 6px 20px rgba(0,216,216,0.25);
}
.feature-card:hover .feature-card__icon img {
  filter: brightness(0) saturate(100%) invert(46%) sepia(80%) saturate(400%)
          hue-rotate(155deg) brightness(90%) contrast(100%);
  transform: rotate(-8deg) scale(1.05);
}

.feature-card h3 { margin-bottom: 10px; }
.feature-card p  { font-size: 0.9375rem; }

/* ══════════════════════════════════════════════════════
   TECHNOLOGY
══════════════════════════════════════════════════════ */
.tech-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}

.tech-pillar {
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius-xl);
  padding: 32px 26px;
  position: relative;
  overflow: hidden;
  transition:
    transform    0.38s var(--spring),
    box-shadow   0.32s var(--ease),
    border-color 0.25s var(--ease);
  will-change: transform;
}
/* Shimmer sweep */
.tech-pillar::before {
  content: '';
  position: absolute;
  top: 0; left: -130%;
  width: 70%; height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0,216,216,0.06),
    rgba(255,255,255,0.18),
    rgba(0,216,216,0.06),
    transparent
  );
  transform: skewX(-22deg);
  transition: left 0.65s var(--ease);
  pointer-events: none;
  z-index: 1;
}
.tech-pillar:hover {
  transform: translateY(-10px) scale(1.012);
  box-shadow: var(--shadow-cyan);
  border-color: rgba(0,216,216,0.5);
}
.tech-pillar:hover::before { left: 145%; }

.tech-pillar__num {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--cyan-dark);
  background: var(--cyan-light);
  border: 1px solid rgba(0,216,216,0.3);
  padding: 3px 11px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.tech-pillar__icon {
  font-size: 1.75rem;
  color: var(--cyan-dark);
  margin-bottom: 14px;
  transition: transform 0.4s var(--spring), color 0.3s;
}
.tech-pillar:hover .tech-pillar__icon {
  color: var(--cyan-mid);
  transform: scale(1.15) rotate(-5deg);
}
.tech-pillar h3 { margin-bottom: 10px; }
.tech-pillar p  { font-size: 0.9375rem; }

/* Placeholder info banner */
.tech-placeholder {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 22px 28px;
  background: var(--cyan-pale);
  border: 1.5px solid rgba(0,216,216,0.28);
  border-radius: var(--radius-lg);
}
.tech-placeholder__icon {
  font-size: 2rem;
  color: var(--cyan-dark);
  flex-shrink: 0;
}
.tech-placeholder__body { flex-grow: 1; }
.tech-placeholder__body h3 { font-size: 1.05rem; margin-bottom: 6px; }
.tech-placeholder__body p  { font-size: 0.9rem; margin: 0; }
.tech-placeholder__body a  {
  color: var(--cyan-dark);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.tech-placeholder__body a:hover { color: var(--navy); }
.tech-placeholder__badge {
  flex-shrink: 0;
  background: rgba(0,216,216,0.15);
  color: var(--cyan-dark);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 100px;
  white-space: nowrap;
}

/* ══════════════════════════════════════════════════════
   SERVICES
══════════════════════════════════════════════════════ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.service-card {
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius-xl);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition:
    transform    0.38s var(--spring),
    box-shadow   0.32s var(--ease),
    border-color 0.25s var(--ease);
  will-change: transform;
}
/* Shimmer sweep on hover */
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: -130%;
  width: 70%; height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0,216,216,0.06),
    rgba(255,255,255,0.18),
    rgba(0,216,216,0.06),
    transparent
  );
  transform: skewX(-22deg);
  transition: left 0.65s var(--ease);
  pointer-events: none;
  z-index: 1;
}
.service-card:hover {
  transform: translateY(-10px) scale(1.012);
  box-shadow: var(--shadow-cyan);
  border-color: rgba(0,216,216,0.5);
}
.service-card:hover::before { left: 145%; }

.service-card__icon {
  width: 52px; height: 52px;
  background: var(--cyan-light);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  font-size: 1.375rem;
  color: var(--cyan-dark);
  flex-shrink: 0;
  transition: background 0.3s var(--ease), color 0.3s, transform 0.4s var(--spring), box-shadow 0.3s var(--ease);
}
.service-card:hover .service-card__icon {
  background: var(--cyan);
  color: var(--navy-dark);
  transform: scale(1.12) rotate(-6deg);
  box-shadow: 0 8px 24px rgba(0,216,216,0.38);
}

.service-card h3 { margin-bottom: 10px; }
.service-card p  { font-size: 0.9375rem; flex-grow: 1; margin-bottom: 20px; }

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cyan-dark);
  transition: gap 0.25s var(--ease), color 0.2s;
  margin-top: auto;
  z-index: 2;
  position: relative;
}
.service-card__link:hover { gap: 11px; color: var(--navy); }

/* ══════════════════════════════════════════════════════
   PROCESS (keeps dark navy background)
══════════════════════════════════════════════════════ */
.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.process-step {
  flex: 1;
  text-align: center;
  padding: 30px 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--radius-xl);
  transition:
    background     0.3s var(--ease),
    border-color   0.3s var(--ease),
    transform      0.38s var(--spring),
    box-shadow     0.3s var(--ease);
  cursor: default;
}
.process-step:hover {
  background: rgba(0,216,216,0.1);
  border-color: var(--cyan);
  transform: translateY(-7px);
  box-shadow: 0 0 0 1px rgba(0,216,216,0.3), 0 16px 40px rgba(0,216,216,0.12);
}

.process-step__number {
  display: inline-block;
  font-size: 0.75rem; font-weight: 800; letter-spacing: 0.08em;
  color: var(--cyan);
  background: rgba(0,216,216,0.12);
  border: 1px solid rgba(0,216,216,0.25);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 14px;
}
.process-step__icon {
  font-size: 1.75rem;
  color: var(--cyan);
  margin-bottom: 14px;
  transition: transform 0.4s var(--spring);
}
.process-step:hover .process-step__icon { transform: scale(1.2) rotate(-5deg); }

.process-step h3 { color: var(--white); margin-bottom: 10px; }
.process-step p  { color: rgba(255,255,255,0.58); font-size: 0.9rem; }

.process-arrow {
  display: flex; align-items: center; justify-content: center;
  color: var(--cyan); opacity: 0.45;
  font-size: 1.1rem; flex-shrink: 0;
  padding-top: 54px;
}

/* ══════════════════════════════════════════════════════
   TEAM
══════════════════════════════════════════════════════ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.team-card {
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-md);
  transition:
    transform    0.38s var(--spring),
    box-shadow   0.32s var(--ease),
    border-color 0.25s var(--ease);
  will-change: transform;
}
.team-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-cyan);
  border-color: rgba(0,216,216,0.4);
}

.team-card__photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--gray-100);
  position: relative;
}
.team-card__photo img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center top;
  transition: transform 0.5s var(--ease);
}
.team-card:hover .team-card__photo img { transform: scale(1.06); }

/* Cyan gradient overlay on photo hover */
.team-card__photo-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,216,216,0.18) 0%, transparent 55%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.team-card:hover .team-card__photo-overlay { opacity: 1; }

.team-card__body { padding: 26px; display: flex; flex-direction: column; flex-grow: 1; }
.team-card__body h3 { margin-bottom: 4px; }

.team-card__role {
  display: block;
  font-size: 0.875rem; font-weight: 600;
  color: var(--cyan-dark);
  margin-bottom: 12px;
}
.team-card__body p { font-size: 0.9375rem; flex-grow: 1; margin-bottom: 18px; }

.team-card__links { display: flex; gap: 9px; }
.team-card__links a {
  width: 36px; height: 36px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.875rem;
  color: var(--gray-500);
  transition:
    background    0.25s var(--ease),
    color         0.25s var(--ease),
    border-color  0.25s var(--ease),
    transform     0.3s var(--spring);
}
.team-card__links a:hover {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
  transform: scale(1.12);
}

/* ══════════════════════════════════════════════════════
   PUBLICATIONS
══════════════════════════════════════════════════════ */
.pub-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 36px;
}

.pub-card {
  display: flex;
  gap: 0;
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition:
    transform    0.32s var(--spring),
    box-shadow   0.28s var(--ease),
    border-color 0.22s var(--ease);
  will-change: transform;
}
.pub-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-cyan);
  border-color: rgba(0,216,216,0.4);
}

.pub-card__side {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  flex-shrink: 0;
  width: 80px;
  padding: 24px 16px;
  background: var(--cyan-pale);
  border-right: 2px solid rgba(0,216,216,0.18);
}
.pub-year {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
}
.pub-type {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cyan-dark);
  background: rgba(0,216,216,0.18);
  padding: 3px 7px;
  border-radius: 4px;
  text-align: center;
}

.pub-card__body {
  flex-grow: 1;
  min-width: 0;
  padding: 22px 26px;
}
.pub-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}
.pub-title-link {
  color: var(--navy);
  transition: color 0.2s;
}
.pub-title-link:hover { color: var(--cyan-dark); }

.pub-authors {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.pub-journal {
  font-size: 0.875rem;
  color: var(--text-body);
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 14px;
}
.pub-journal i { color: var(--cyan-dark); flex-shrink: 0; }

.pub-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.pub-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.pub-tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  background: var(--gray-100);
  color: var(--gray-500);
}
.pub-doi {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--cyan-dark);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: color 0.2s;
}
.pub-doi:hover { color: var(--navy); }

.pub-note {
  text-align: center;
  font-size: 0.9375rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px;
  background: var(--gray-50);
  border-radius: var(--radius);
  border: 1px solid var(--gray-100);
}
.pub-note i { color: var(--cyan-dark); }
.pub-note a { color: var(--cyan-dark); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.pub-note a:hover { color: var(--navy); }

/* ══════════════════════════════════════════════════════
   RESOURCES
══════════════════════════════════════════════════════ */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 32px;
}

.resource-card {
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition:
    transform    0.38s var(--spring),
    box-shadow   0.32s var(--ease),
    border-color 0.25s var(--ease);
  will-change: transform;
}
/* Shimmer sweep */
.resource-card::before {
  content: '';
  position: absolute;
  top: 0; left: -130%;
  width: 70%; height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0,216,216,0.07),
    rgba(255,255,255,0.2),
    rgba(0,216,216,0.07),
    transparent
  );
  transform: skewX(-22deg);
  transition: left 0.65s var(--ease);
  pointer-events: none;
}
.resource-card:hover {
  transform: translateY(-9px) scale(1.01);
  box-shadow: var(--shadow-cyan);
  border-color: rgba(0,216,216,0.45);
}
.resource-card:hover::before { left: 145%; }

/* Top row: badge + meta */
.resource-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.resource-card__meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex; align-items: center; gap: 5px;
}
.resource-card__meta i { color: var(--gray-400); }

/* Document type badge */
.doc-badge {
  display: inline-block;
  font-size: 0.7rem; font-weight: 800; letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 5px;
}
.doc-badge--pdf  { background: #FFF0F0; color: #D63030; }
.doc-badge--docx { background: #EBF3FF; color: #2564C2; }
.doc-badge--dxf  { background: #FFF8E6; color: #C07800; }

/* Resource icon */
.resource-card__icon {
  font-size: 2.25rem;
  color: var(--cyan-dark);
  margin-bottom: 14px;
  transition: transform 0.4s var(--spring), color 0.3s;
}
.resource-card:hover .resource-card__icon {
  color: var(--cyan-mid);
  transform: scale(1.1) rotate(-5deg);
}

.resource-card h3 { margin-bottom: 9px; font-size: 1.05rem; }
.resource-card p  { font-size: 0.9rem; flex-grow: 1; margin-bottom: 20px; }
.resource-card .btn { margin-top: auto; align-self: flex-start; }

/* Resources note */
.resources-note {
  text-align: center;
  font-size: 0.9375rem;
  color: var(--text-muted);
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 16px;
  background: var(--gray-50);
  border-radius: var(--radius);
  border: 1px solid var(--gray-100);
}
.resources-note i { color: var(--cyan-dark); }
.resources-note a { color: var(--cyan-dark); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.resources-note a:hover { color: var(--navy); }

/* ══════════════════════════════════════════════════════
   CONTACT
══════════════════════════════════════════════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: clamp(36px, 6vw, 72px);
  align-items: start;
}

.contact-info .section-tag { margin-bottom: 14px; }
.contact-info h2 { margin-bottom: 14px; }
.contact-info > p { font-size: 1.0625rem; margin-bottom: 32px; max-width: 420px; }

.contact-details { display: flex; flex-direction: column; gap: 18px; margin-bottom: 30px; }
.contact-detail { display: flex; align-items: flex-start; gap: 14px; }
.contact-detail__icon {
  width: 40px; height: 40px;
  background: var(--cyan-light);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--cyan-dark);
  font-size: 1rem; flex-shrink: 0;
  transition: background 0.2s, transform 0.3s var(--spring);
}
.contact-detail:hover .contact-detail__icon {
  background: var(--cyan);
  color: var(--navy-dark);
  transform: scale(1.1);
}
.contact-detail__text strong { display: block; font-size: 0.875rem; font-weight: 600; color: var(--navy); margin-bottom: 2px; }
.contact-detail__text span   { font-size: 0.9375rem; color: var(--text-body); }

.contact-affiliation {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px;
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  font-size: 0.875rem; color: var(--text-body);
}
.contact-affiliation__icon {
  width: 28px; height: 28px; object-fit: contain; flex-shrink: 0;
  filter: brightness(0) saturate(100%) invert(16%) sepia(33%) saturate(850%)
          hue-rotate(185deg) brightness(85%) contrast(95%);
}

/* Contact form */
.contact-form-wrap {
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius-2xl);
  padding: clamp(24px, 4vw, 40px);
  box-shadow: var(--shadow-lg);
  transition: box-shadow 0.3s var(--ease);
}
.contact-form-wrap:hover { box-shadow: var(--shadow-xl); }

.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.875rem; font-weight: 600; color: var(--text-dark); }
.required { color: var(--cyan-dark); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem; color: var(--text-dark);
  background: var(--white);
  transition: border-color 0.22s var(--ease), box-shadow 0.22s var(--ease), background 0.22s;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-300); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--cyan-dark);
  box-shadow: 0 0 0 3px rgba(0,168,168,0.14);
  background: var(--cyan-pale);
}
.form-note { font-size: 0.8125rem; color: var(--text-muted); text-align: center; margin-top: 4px; }

.form-success {
  text-align: center; padding: 48px 32px; color: var(--cyan-dark);
}
.form-success i { font-size: 3.5rem; margin-bottom: 14px; }
.form-success h3 { font-size: 1.5rem; color: var(--navy); margin-bottom: 8px; }
.form-success p { color: var(--text-body); }

/* ══════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════ */
.footer { background: var(--navy-dark); color: rgba(255,255,255,0.6); }

.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: clamp(24px, 4vw, 56px);
  padding: clamp(40px, 6vw, 72px) clamp(16px, 4vw, 40px);
  max-width: var(--container);
  margin: 0 auto;
}

.footer-logo {
  height: 40px; width: auto;
  margin-bottom: 14px;
  filter: brightness(0) invert(1);
}
.footer-brand p { font-size: 0.9rem; line-height: 1.65; max-width: 280px; }

.footer-col h4 {
  color: var(--white);
  font-size: 0.825rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col li, .footer-col p { font-size: 0.9rem; }
.footer-col a { color: rgba(255,255,255,0.55); transition: color 0.2s; }
.footer-col a:hover { color: var(--cyan); }
.footer-col p { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.footer-col p i { color: var(--cyan); width: 14px; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,0.07); }
.footer-bottom-inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 8px;
  padding: 20px clamp(16px, 4vw, 40px);
  max-width: var(--container); margin: 0 auto;
  font-size: 0.8rem;
}

/* ══════════════════════════════════════════════════════
   SCROLL ANIMATIONS
══════════════════════════════════════════════════════ */
[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
[data-animate="fade-left"] { transform: translateX(36px); }
[data-animate].is-visible  { opacity: 1; transform: translate(0); }

/* ══════════════════════════════════════════════════════
   TILT CARDS — 3D perspective tilt (driven by JS)
══════════════════════════════════════════════════════ */
.tilt-card {
  transform-style: preserve-3d;
}

/* ══════════════════════════════════════════════════════
   ADDITIONAL KEYFRAMES
══════════════════════════════════════════════════════ */
@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0   rgba(0,216,216,0.35); }
  100% { box-shadow: 0 0 0 14px rgba(0,216,216,0);    }
}
@keyframes fade-shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-6px); }
  40%       { transform: translateX(6px); }
  60%       { transform: translateX(-4px); }
  80%       { transform: translateX(4px); }
}

/* ══════════════════════════════════════════════════════
   RESPONSIVE — TABLET (≤ 1024px)
══════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  /* Hero: keep overlay but widen card and adjust position */
  .hero-text-card {
    width: min(440px, 55vw);
    right: max(20px, 3vw);
  }

  .features-grid  { grid-template-columns: repeat(2, 1fr); }
  .services-grid  { grid-template-columns: repeat(2, 1fr); }
  .resources-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-pillars   { grid-template-columns: repeat(2, 1fr); }

  .tech-placeholder { flex-wrap: wrap; }
  .tech-placeholder__badge { margin-top: 4px; }

  .process-steps  { flex-wrap: wrap; justify-content: center; }
  .process-step   { flex: 0 1 calc(50% - 12px); min-width: 180px; }
  .process-arrow  { display: none; }

  .contact-grid   { grid-template-columns: 1fr; }
  .contact-info > p { max-width: 100%; }

  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

/* ══════════════════════════════════════════════════════
   RESPONSIVE — MOBILE (≤ 640px)
══════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  :root { --navbar-h: 64px; }

  .nav-toggle { display: flex; }
  .nav-cta    { display: none; }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--navbar-h); left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    gap: 2px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    border-top: 1px solid var(--gray-100);
    z-index: 999;
  }
  .nav-links.is-open { display: flex; }
  .nav-link { padding: 11px 14px; color: var(--navy); }

  /* Hero: stack SVG above, text card below as normal flow */
  .hero {
    height: auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: var(--navbar-h);
  }
  .hero-full-bg {
    position: relative;
    inset: auto;
    padding-top: 0;
    height: 52vw;
    min-height: 200px;
    width: 100%;
    flex-shrink: 0;
  }
  .chip-svg {
    height: 100%;
    width: auto;
    max-width: 100%;
  }
  .hero-text-card {
    position: relative;
    top: auto; right: auto;
    width: 100%;
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-bottom: none;
    padding: 24px clamp(16px, 4vw, 28px);
    box-shadow: none;
    background: rgba(255,255,255,0.96);
    backdrop-filter: none;
  }
  .hero-text-card h1 { font-size: clamp(1.5rem, 5.5vw, 2rem); }
  .hero-scroll { display: none; }

  .features-grid  { grid-template-columns: 1fr; }
  .services-grid  { grid-template-columns: 1fr; }
  .resources-grid { grid-template-columns: 1fr; }
  .tech-pillars   { grid-template-columns: 1fr; }
  .team-grid      { grid-template-columns: 1fr; }
  .process-step   { flex: 1 1 100%; }
  .form-row       { grid-template-columns: 1fr; }

  .pub-card { flex-direction: column; }
  .pub-card__side {
    flex-direction: row;
    width: auto;
    padding: 14px 20px;
    border-right: none;
    border-bottom: 2px solid rgba(0,216,216,0.18);
    gap: 12px;
    align-items: center;
  }
  .pub-card__body { padding: 18px 20px; }

  .tech-placeholder { flex-direction: column; text-align: center; }
  .tech-placeholder__icon { font-size: 1.6rem; }

  .footer-main { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
}

/* ══════════════════════════════════════════════════════
   PRINT
══════════════════════════════════════════════════════ */
@media print {
  #navbar, .hero-scroll, .hero-particles { display: none; }
  [data-animate] { opacity: 1; transform: none; }
  .hero { height: auto; min-height: auto; }
  .hero-full-bg { position: relative; inset: auto; height: 300px; }
  .hero-text-card { position: relative; top: auto; right: auto; width: 100%; }
}