/* ============================================================
   BANNATHERA BIOSCIENCE — Main Stylesheet
   Design System: Scientific Precision / Biotech Premium
   ============================================================ */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&family=DM+Mono:wght@400;500&display=swap');

/* ---- CSS Variables ---- */
:root {
  /* Colors */
  --navy:        #08111F;
  --navy-mid:    #0D1E35;
  --navy-light:  #122B4A;
  --teal:        #00C9A7;
  --teal-dim:    #00A98C;
  --teal-glow:   rgba(0, 201, 167, 0.15);
  --blue:        #4A9EFF;
  --blue-dim:    rgba(74, 158, 255, 0.12);
  --white:       #FFFFFF;
  --off-white:   #F0F6FF;
  --text-light:  #C8D8F0;
  --text-mid:    #7A9BBF;
  --text-muted:  #4A6580;
  --border:      rgba(74, 158, 255, 0.15);
  --border-teal: rgba(0, 201, 167, 0.2);
  --glass:       rgba(13, 30, 53, 0.6);
  --glass-light: rgba(255, 255, 255, 0.04);

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'DM Mono', monospace;

  /* Spacing */
  --section-gap: 100px;
  --container:   1200px;
  --radius:      12px;
  --radius-lg:   20px;

  /* Transitions */
  --ease:        cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--text-light);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 5.5vw, 4.2rem); }
h2 { font-size: clamp(1.9rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.2rem; }
h5 { font-size: 1rem; }

p { color: var(--text-light); max-width: 68ch; }
p + p { margin-top: 1rem; }

a { color: var(--teal); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--white); }

strong { color: var(--white); font-weight: 600; }

/* ---- Layout ---- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.section { padding: var(--section-gap) 0; }
.section--dark { background: var(--navy-mid); }
.section--glass {
  background: var(--glass);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ---- Section Labels ---- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
  padding: 6px 14px;
  border: 1px solid var(--border-teal);
  border-radius: 100px;
  background: var(--teal-glow);
}

.section-label::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 8px var(--teal);
}

.section-header { margin-bottom: 60px; }
.section-header p { font-size: 1.1rem; color: var(--text-mid); margin-top: 16px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: all 0.3s var(--ease);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--teal), var(--teal-dim));
  color: var(--navy);
  box-shadow: 0 4px 24px rgba(0, 201, 167, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 201, 167, 0.45);
  color: var(--navy);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: var(--teal-glow);
}

.btn-ghost {
  background: var(--glass-light);
  color: var(--text-light);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  color: var(--white);
  border-color: var(--teal);
}

.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ---- Cards ---- */
.card {
  background: var(--glass-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.35s var(--ease);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.card:hover {
  border-color: var(--border-teal);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 0 1px var(--border-teal);
}

.card:hover::before { opacity: 1; }

.card-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--teal-glow);
  border: 1px solid var(--border-teal);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  color: var(--teal);
}

.card-icon svg { width: 24px; height: 24px; }

.card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.card p { font-size: 0.92rem; color: var(--text-mid); }

/* ---- Tag / Badge ---- */
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.tag-teal { background: var(--teal-glow); color: var(--teal); border: 1px solid var(--border-teal); }
.tag-blue { background: var(--blue-dim); color: var(--blue); border: 1px solid rgba(74,158,255,0.25); }

/* ---- Decorative Lines ---- */
.line-h {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 60px 0;
}

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */

#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.4s var(--ease);
  background: transparent;
}

#site-header.scrolled {
  background: rgba(8, 17, 31, 0.92);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo .logo-mark {
  width: 40px; height: 40px;
  position: relative;
  flex-shrink: 0;
}

.site-logo .logo-mark svg { width: 100%; height: 100%; }

.site-logo .logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.site-logo .logo-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--white);
  letter-spacing: -0.02em;
}

.site-logo .logo-sub {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--teal);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* Navigation */
#site-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

#site-nav a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-light);
  padding: 8px 14px;
  border-radius: 8px;
  transition: all 0.2s;
  display: block;
}

#site-nav a:hover,
#site-nav .current-menu-item > a {
  color: var(--white);
  background: var(--glass-light);
}

/* Dropdown */
#site-nav li { position: relative; }

#site-nav .sub-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.25s var(--ease);
  backdrop-filter: blur(20px);
}

#site-nav li:hover > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#site-nav .sub-menu a {
  font-size: 0.85rem;
  color: var(--text-mid);
  border-radius: 6px;
}

#site-nav .sub-menu a:hover { color: var(--white); background: var(--glass-light); }

/* Header CTA */
.header-cta { display: flex; align-items: center; gap: 12px; }

/* Hamburger */
.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  cursor: pointer;
  color: var(--white);
}

/* ============================================================
   FOOTER
   ============================================================ */

#site-footer {
  background: var(--navy-mid);
  border-top: 1px solid var(--border);
  padding: 80px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand .logo-name { font-size: 1.3rem; }
.footer-brand p { font-size: 0.88rem; color: var(--text-muted); margin-top: 16px; max-width: 26ch; }

.footer-col h4 {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 0.9rem; color: var(--text-mid); transition: color 0.2s; }
.footer-col ul a:hover { color: var(--teal); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-bottom p { font-size: 0.82rem; color: var(--text-muted); max-width: none; }

.footer-socials { display: flex; gap: 12px; }

.footer-socials a {
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-mid);
  transition: all 0.2s;
}

.footer-socials a:hover { border-color: var(--teal); color: var(--teal); background: var(--teal-glow); }
.footer-socials svg { width: 16px; height: 16px; }

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

/* Animated grid background */
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0,201,167,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(74,158,255,0.08) 0%, transparent 70%),
    var(--navy);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, black 30%, transparent 90%);
  opacity: 0.4;
}

/* Floating orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.hero-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,201,167,0.15), transparent 70%);
  top: -100px; right: -100px;
  animation: orbFloat 12s ease-in-out infinite;
}

.hero-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(74,158,255,0.12), transparent 70%);
  bottom: -80px; left: -80px;
  animation: orbFloat 16s ease-in-out infinite reverse;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -40px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-content { position: relative; z-index: 2; }

.hero-content .section-label { margin-bottom: 24px; }

.hero-title {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--teal), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-mid);
  max-width: 52ch;
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.hero-stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.hero-stat-num span { color: var(--teal); }
.hero-stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.08em; }

/* Hero visual - right side */
.hero-visual {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  align-items: center;
}

.molecule-ring {
  position: relative;
  width: 440px;
  height: 440px;
}

.molecule-ring svg { width: 100%; height: 100%; }

/* ============================================================
   MISSION / ABOUT STRIP
   ============================================================ */

.mission-strip {
  background: var(--navy-mid);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 0;
}

.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: 0;
  align-items: center;
}

.mission-divider { background: var(--border); width: 1px; height: 100%; }

.mission-item { padding: 0 60px; }
.mission-item:first-child { padding-left: 0; }
.mission-item:last-child { padding-right: 0; }
.mission-item .section-label { margin-bottom: 20px; }
.mission-item h2 { font-size: 1.8rem; margin-bottom: 16px; }
.mission-item p { font-size: 0.95rem; color: var(--text-mid); }

/* ============================================================
   PRODUCT CATEGORIES
   ============================================================ */

.product-cat-card {
  background: var(--glass-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: all 0.35s var(--ease);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  display: block;
}

.product-cat-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--blue));
  transform: scaleX(0);
  transition: transform 0.35s var(--ease);
}

.product-cat-card:hover { border-color: var(--border-teal); transform: translateY(-6px); box-shadow: 0 24px 60px rgba(0,0,0,0.35); }
.product-cat-card:hover::after { transform: scaleX(1); }
.product-cat-card:hover h3 { color: var(--teal); }

.cat-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.product-cat-card h3 { font-size: 1.25rem; margin-bottom: 12px; transition: color 0.3s; }
.product-cat-card p { font-size: 0.88rem; color: var(--text-muted); }

.cat-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

/* ============================================================
   WHY CHOOSE US
   ============================================================ */

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.why-item {
  display: flex;
  gap: 20px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--glass-light);
  transition: all 0.3s var(--ease);
}

.why-item:hover { border-color: var(--border-teal); background: rgba(0,201,167,0.04); }

.why-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--teal-glow);
  border: 1px solid var(--border-teal);
  display: flex; align-items: center; justify-content: center;
  color: var(--teal);
}

.why-icon svg { width: 22px; height: 22px; }
.why-item h4 { margin-bottom: 8px; font-size: 1rem; }
.why-item p { font-size: 0.87rem; color: var(--text-muted); max-width: none; }

/* ============================================================
   CERTIFICATIONS
   ============================================================ */

.cert-bar {
  background: var(--navy-mid);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 0;
}

.cert-bar-inner {
  display: flex;
  align-items: center;
  gap: 60px;
  flex-wrap: wrap;
  justify-content: center;
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.cert-item svg { width: 28px; height: 28px; color: var(--teal); }

/* ============================================================
   CTA SECTION
   ============================================================ */

.cta-section {
  background: linear-gradient(135deg, var(--navy-light) 0%, var(--navy-mid) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(0,201,167,0.1), transparent 70%);
  pointer-events: none;
}

.cta-section h2 { font-size: clamp(2rem, 4vw, 3.2rem); margin-bottom: 16px; }
.cta-section p { font-size: 1.05rem; color: var(--text-mid); margin: 0 auto 40px; }
.cta-actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */

.page-hero {
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 80% at 50% 0%, rgba(0,201,167,0.06), transparent 70%);
}

.page-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.25;
}

.page-hero .container { position: relative; z-index: 2; }
.page-hero .section-label { margin-bottom: 20px; }
.page-hero h1 { margin-bottom: 20px; }
.page-hero > .container > p { font-size: 1.1rem; color: var(--text-mid); }

/* ============================================================
   ABOUT PAGE
   ============================================================ */

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.value-card {
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--glass-light);
  text-align: center;
  transition: all 0.3s var(--ease);
}

.value-card:hover { border-color: var(--border-teal); transform: translateY(-4px); }

.value-card .value-icon {
  width: 60px; height: 60px;
  border-radius: 16px;
  background: var(--teal-glow);
  border: 1px solid var(--border-teal);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  color: var(--teal);
}

.value-card .value-icon svg { width: 28px; height: 28px; }

.roadmap { margin-top: 80px; }

.roadmap-line {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.roadmap-line::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: linear-gradient(90deg, var(--teal), var(--blue));
  z-index: 0;
}

.roadmap-item { text-align: center; position: relative; z-index: 1; padding: 0 16px; }

.roadmap-dot {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--navy-mid);
  border: 2px solid var(--teal);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.8rem;
  color: var(--teal);
  position: relative;
  z-index: 2;
}

.roadmap-item.completed .roadmap-dot {
  background: var(--teal);
  color: var(--navy);
}

.roadmap-item h4 { font-size: 0.95rem; margin-bottom: 8px; }
.roadmap-item p { font-size: 0.8rem; color: var(--text-muted); }

/* ============================================================
   PRODUCTS PAGE
   ============================================================ */

.product-filters {
  display: flex;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-mid);
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn.active, .filter-btn:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: var(--teal-glow);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--glass-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.35s var(--ease);
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.product-card:hover { border-color: var(--border-teal); transform: translateY(-6px); box-shadow: 0 24px 60px rgba(0,0,0,0.35); }

.product-card-img {
  height: 200px;
  background: linear-gradient(135deg, var(--navy-light), var(--navy-mid));
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.product-card-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(0,201,167,0.1), transparent 70%);
}

.product-card-img svg { width: 64px; height: 64px; color: var(--teal); opacity: 0.6; position: relative; z-index: 1; }

.product-card-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.product-card-body .tag { margin-bottom: 14px; }
.product-card-body h3 { font-size: 1.1rem; margin-bottom: 10px; }
.product-card-body p { font-size: 0.87rem; color: var(--text-muted); flex: 1; }

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.product-card-footer span { font-size: 0.78rem; color: var(--text-muted); font-family: var(--font-mono); }
.product-card-footer svg { width: 18px; height: 18px; color: var(--teal); }

/* Single Product */
.single-product-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.product-image-wrap {
  background: var(--glass-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
  position: relative;
  overflow: hidden;
}

.product-image-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(0,201,167,0.08), transparent);
}

.product-image-wrap svg { width: 120px; height: 120px; color: var(--teal); opacity: 0.5; position: relative; }

.product-meta { display: flex; flex-direction: column; gap: 32px; }
.product-meta .tags { display: flex; gap: 8px; flex-wrap: wrap; }
.product-meta h1 { font-size: 2.2rem; }
.product-meta > p { font-size: 1rem; color: var(--text-mid); }

.product-specs {
  background: var(--glass-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.product-specs-header {
  padding: 14px 20px;
  background: rgba(0,201,167,0.08);
  border-bottom: 1px solid var(--border-teal);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--teal);
}

.product-specs-body { padding: 0; }

.spec-row {
  display: flex;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}

.spec-row:last-child { border-bottom: none; }
.spec-label { width: 140px; flex-shrink: 0; font-size: 0.82rem; color: var(--text-muted); font-family: var(--font-mono); }
.spec-val { font-size: 0.9rem; color: var(--text-light); }

.product-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ============================================================
   RESEARCH PAGE
   ============================================================ */

.research-areas {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.research-card {
  padding: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--glass-light);
  transition: all 0.35s var(--ease);
  position: relative;
  overflow: hidden;
}

.research-card::before {
  content: attr(data-num);
  position: absolute;
  top: 20px; right: 24px;
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 800;
  color: var(--border);
  line-height: 1;
  pointer-events: none;
}

.research-card:hover { border-color: var(--border-teal); transform: translateY(-4px); }

.tech-platforms { margin-top: 80px; }
.tech-platform-item {
  display: flex;
  gap: 40px;
  padding: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  background: var(--glass-light);
  transition: all 0.3s var(--ease);
  align-items: flex-start;
}

.tech-platform-item:hover { border-color: var(--border-teal); }

.tech-num {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--teal);
  opacity: 0.4;
  line-height: 1;
  flex-shrink: 0;
  width: 48px;
  margin-top: 4px;
}

.pipeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 60px;
  position: relative;
}

.pipeline::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--blue));
}

.pipeline-item { text-align: center; padding: 0 12px; }

.pipeline-dot {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--navy-mid);
  border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  position: relative;
  z-index: 2;
}

.pipeline-item.active .pipeline-dot {
  border-color: var(--teal);
  color: var(--teal);
  background: var(--teal-glow);
  box-shadow: 0 0 20px rgba(0,201,167,0.25);
}

.pipeline-item h4 { font-size: 0.9rem; margin-bottom: 6px; }
.pipeline-item p { font-size: 0.78rem; color: var(--text-muted); }

/* ============================================================
   QUALITY PAGE
   ============================================================ */

.quality-process {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.process-step {
  display: flex;
  gap: 40px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}

.process-step:last-child { border-bottom: none; }

.step-num {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  flex-shrink: 0;
}

.step-content h3 { margin-bottom: 10px; }
.step-content p { font-size: 0.92rem; color: var(--text-mid); }

.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.cert-card {
  background: var(--glass-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  text-align: center;
  transition: all 0.3s var(--ease);
}

.cert-card:hover { border-color: var(--border-teal); transform: translateY(-4px); }

.cert-card .cert-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: var(--teal-glow);
  border: 1px solid var(--border-teal);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  color: var(--teal);
}

.cert-card .cert-icon svg { width: 32px; height: 32px; }
.cert-card h3 { font-size: 1rem; margin-bottom: 8px; }
.cert-card p { font-size: 0.83rem; color: var(--text-muted); }

/* ============================================================
   CONTACT PAGE
   ============================================================ */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.contact-info h2 { font-size: 1.8rem; margin-bottom: 16px; }
.contact-info > p { color: var(--text-mid); margin-bottom: 40px; }

.contact-detail {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
  align-items: flex-start;
}

.contact-detail-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--teal-glow);
  border: 1px solid var(--border-teal);
  display: flex; align-items: center; justify-content: center;
  color: var(--teal);
  flex-shrink: 0;
}

.contact-detail-icon svg { width: 20px; height: 20px; }
.contact-detail h4 { font-size: 0.82rem; color: var(--text-muted); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 4px; }
.contact-detail p { font-size: 0.95rem; color: var(--text-light); max-width: none; }

/* Contact Form */
.contact-form-wrap {
  background: var(--glass-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 44px;
}

.contact-form-wrap h3 { font-size: 1.4rem; margin-bottom: 8px; }
.contact-form-wrap > p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 36px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-mid);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(8,17,31,0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--white);
  transition: border-color 0.2s;
  outline: none;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px var(--teal-glow); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-muted); }
.form-group textarea { resize: vertical; min-height: 140px; }
.form-group select option { background: var(--navy-mid); }

.map-placeholder {
  margin-top: 60px;
  height: 300px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--glass-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.map-placeholder svg { width: 40px; height: 40px; color: var(--teal); opacity: 0.5; }

/* ============================================================
   ANIMATIONS (scroll reveal)
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   UTILITIES
   ============================================================ */

.text-center { text-align: center; }
.text-teal { color: var(--teal); }
.text-blue { color: var(--blue); }
.text-muted { color: var(--text-muted) !important; }
.mb-0 { margin-bottom: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.mt-60 { margin-top: 60px; }
.mx-auto { margin-left: auto; margin-right: auto; }
.gap-16 { gap: 16px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.flex-wrap { flex-wrap: wrap; }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  :root { --section-gap: 80px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .hero .grid-2 { grid-template-columns: 1fr; }
  .hero-title { font-size: clamp(2.4rem, 6vw, 3.5rem); }
  .about-values { grid-template-columns: 1fr 1fr; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .single-product-layout { grid-template-columns: 1fr; gap: 40px; }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --section-gap: 60px; }
  .container { padding: 0 20px; }

  #site-nav, .header-cta .btn-outline { display: none; }
  .menu-toggle { display: flex; }

  #site-nav.open {
    display: block;
    position: fixed;
    top: 70px; left: 0; right: 0; bottom: 0;
    background: rgba(8,17,31,0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    overflow-y: auto;
  }

  #site-nav.open ul { flex-direction: column; gap: 4px; }
  #site-nav.open .sub-menu { position: static; opacity: 1; visibility: visible; transform: none; background: transparent; border: none; padding-left: 16px; }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .research-areas { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .pipeline { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .mission-grid { grid-template-columns: 1fr; }
  .mission-divider { display: none; }
  .mission-item { padding: 0 0 40px; border-bottom: 1px solid var(--border); }
  .mission-item:last-child { border-bottom: none; padding-bottom: 0; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .roadmap-line { grid-template-columns: 1fr 1fr; }
  .roadmap-line::before { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .about-values { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 2.2rem; }
  .contact-form-wrap { padding: 24px; }
}