/* ═══════════════════════════════════════════════════════════════════
   AENON v4 — Climate-Smart Animal Nutrition
   Design Philosophy: Climate Tech × Animal Nutrition × Marine Biology
   Editorial · Scientific · Industrial
   
   Architecture: Master EN / Synchronized KO
   ═══════════════════════════════════════════════════════════════════ */

/* ── Design Tokens ── */
:root {
  /* Primary Palette — Deep Ocean + Scientific White */
  --c-abyss:      #0A0F1A;   /* deepest bg — near black-navy */
  --c-deep:       #0D1B2A;   /* primary dark section */
  --c-navy:       #112240;   /* section bg variant */
  --c-ocean:      #1B3A5C;   /* mid navy */
  --c-steel:      #1E3A5F;   /* industrial steel blue */
  --c-slate-900:  #0F172A;

  /* Brand Emerald — Marine Bioactive × Climate Tech */
  --c-teal-dark:  #064E3B;   /* Deep Emerald — primary brand */
  --c-teal:       #059669;   /* Emerald — main CTA, labels */
  --c-teal-mid:   #10B981;   /* Electric Mint — hover, accent */
  --c-teal-light: #34D399;   /* Mint Light — dark bg text accent */
  --c-foam:       #A7F3D0;   /* Foam — subtle tints */

  /* Biological Green — same as brand (unified) */
  --c-bio-dark:   #064E3B;
  --c-bio:        #059669;
  --c-bio-mid:    #10B981;
  --c-bio-light:  #6EE7B7;

  /* Signal / Evidence Colors */
  --c-invitro:    #7C3AED;   /* in-vitro — purple */
  --c-invivo:     #D97706;   /* in-vivo — amber */
  --c-field:      #059669;   /* field trial — green */
  --c-target:     #0284C7;   /* target / planned — blue */

  /* Neutrals */
  --c-white:      #FFFFFF;
  --c-off:        #F9FAFB;   /* near-white scientific bg */
  --c-paper:      #F3F4F6;
  --c-rule:       #E5E7EB;   /* divider line */
  --c-muted:      #9CA3AF;
  --c-body:       #374151;
  --c-heading:    #111827;

  /* Typography — Editorial System */
  --f-display: 'DM Serif Display', 'Georgia', 'Times New Roman', serif;
  --f-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  --f-mono:    'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  /* Spacing Scale */
  --space-2:    0.5rem;
  --space-3:    0.75rem;
  --space-4:    1rem;
  --space-5:    1.25rem;
  --space-6:    1.5rem;
  --space-8:    2rem;
  --space-10:   2.5rem;
  --space-12:   3rem;
  --space-16:   4rem;
  --space-20:   5rem;
  --space-24:   6rem;
  --space-32:   8rem;

  /* Border Radius — restrained, not bubbly */
  --r-xs:   2px;
  --r-sm:   4px;
  --r-md:   8px;
  --r-lg:   12px;
  --r-xl:   20px;
  --r-full: 9999px;

  /* Shadows — precise, not excessive */
  --s-xs:  0 1px 2px rgba(0,0,0,0.05);
  --s-sm:  0 1px 6px rgba(0,0,0,0.08);
  --s-md:  0 4px 20px rgba(0,0,0,0.10);
  --s-lg:  0 12px 40px rgba(0,0,0,0.14);
  --s-xl:  0 24px 64px rgba(0,0,0,0.18);
  --s-teal: 0 0 32px rgba(5,150,105,0.20);

  /* Motion — restrained */
  --ease:      cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:   cubic-bezier(0.4, 0, 1, 1);
  --ease-out:  cubic-bezier(0, 0, 0.2, 1);
  --t-fast:    150ms var(--ease);
  --t-mid:     280ms var(--ease);
  --t-slow:    480ms var(--ease);

  /* Layout */
  --max-w:     1280px;
  --max-prose: 720px;
  --nav-h:     68px;
  --sec-py:    7rem;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--f-sans);
  color: var(--c-body);
  background: var(--c-white);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg, canvas, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
address { font-style: normal; }

/* ── Container ── */
.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--space-8); }
.wrap--prose { max-width: var(--max-prose); margin: 0 auto; padding: 0 var(--space-8); }


/* ═══════════════════════════════════════════════════════════════════
   TYPOGRAPHY SYSTEM — Editorial
   ═══════════════════════════════════════════════════════════════════ */

/* Section Label — precise, uppercase track */
.label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-teal);
  margin-bottom: var(--space-5);
}
.label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--c-teal);
  flex-shrink: 0;
}
.label--light { color: var(--c-teal-light); }
.label--light::before { background: var(--c-teal-light); }
.label--muted { color: var(--c-muted); }
.label--muted::before { background: var(--c-muted); }

/* Display Headlines */
.display {
  font-family: var(--f-display);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--c-heading);
}
.display em {
  font-style: italic;
  color: var(--c-teal);
}
.display--light { color: var(--c-white); }
.display--light em {
  color: var(--c-teal-light);
}
.display--xl  { font-size: clamp(3rem, 7vw, 5.5rem); }
.display--lg  { font-size: clamp(2.25rem, 5vw, 3.75rem); }
.display--md  { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
.display--sm  { font-size: clamp(1.375rem, 2.5vw, 2rem); }
.display--xs  { font-size: clamp(1.125rem, 2vw, 1.5rem); }

/* Prose */
.lead {
  font-size: clamp(1rem, 1.8vw, 1.125rem);
  color: var(--c-body);
  line-height: 1.8;
  max-width: 56ch;
}
.lead--light { color: rgba(255,255,255,0.70); }
.body-sm  { font-size: 0.9375rem; line-height: 1.72; color: var(--c-body); }
.body-xs  { font-size: 0.8125rem; line-height: 1.65; color: var(--c-muted); }
.mono     { font-family: var(--f-mono); font-size: 0.8125rem; letter-spacing: 0.02em; }

/* ── Section Rhythm ── */
.section { padding: var(--sec-py) 0; }
.section--dark  { background: var(--c-deep); }
.section--navy  { background: var(--c-navy); }
.section--abyss { background: var(--c-abyss); }
.section--off   { background: var(--c-off); }
.section--white { background: var(--c-white); }
.section--paper { background: var(--c-paper); }

.section-head   { margin-bottom: var(--space-16); }
.section-head--center { text-align: center; }
.section-head--center .label { justify-content: center; }
.section-head--center .lead  { margin: 0 auto; }


/* ═══════════════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--r-sm);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: var(--t-mid);
  white-space: nowrap;
  position: relative;
}
.btn i, .btn svg { font-size: 0.8rem; transition: transform var(--t-fast); }
.btn:hover i, .btn:hover svg { transform: translateX(3px); }

.btn--primary {
  background: var(--c-teal);
  color: var(--c-white);
  box-shadow: 0 2px 12px rgba(5,150,105,0.35);
}
.btn--primary:hover {
  background: var(--c-teal-mid);
  box-shadow: 0 4px 24px rgba(5,150,105,0.50);
  transform: translateY(-1px);
}

.btn--bio {
  background: var(--c-bio);
  color: var(--c-white);
  box-shadow: 0 2px 12px rgba(10,124,92,0.28);
}
.btn--bio:hover {
  background: var(--c-bio-mid);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--c-white);
  border: 1px solid rgba(255,255,255,0.30);
}
.btn--outline:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.60);
}

.btn--outline-dark {
  background: transparent;
  color: var(--c-heading);
  border: 1px solid var(--c-rule);
}
.btn--outline-dark:hover {
  background: var(--c-paper);
  border-color: var(--c-muted);
}

.btn--outline-teal {
  background: transparent;
  color: var(--c-teal);
  border: 1px solid var(--c-teal);
}
.btn--outline-teal:hover {
  background: rgba(5,150,105,0.08);
}

.btn--lg { padding: 0.9375rem 2.25rem; font-size: 0.9375rem; }
.btn--sm { padding: 0.5625rem 1.125rem; font-size: 0.8125rem; }
.btn--full { width: 100%; justify-content: center; }

/* Nav CTA button */
.btn-nav-cta {
  padding: 0.5rem 1.25rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--r-sm);
  background: var(--c-teal);
  color: var(--c-white);
  transition: var(--t-fast);
  white-space: nowrap;
  box-shadow: 0 1px 8px rgba(5,150,105,0.30);
}
.btn-nav-cta:hover { background: var(--c-teal-mid); }
#main-nav.nav-scrolled .btn-nav-cta { background: var(--c-teal); color: var(--c-white); }


/* ═══════════════════════════════════════════════════════════════════
   EVIDENCE BADGES — Research status system
   ═══════════════════════════════════════════════════════════════════ */
.ev-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.625rem;
  border-radius: var(--r-xs);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
  font-family: var(--f-mono);
}
.ev-badge::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
}

.ev-invitro   { background: rgba(124,58,237,0.10); color: var(--c-invitro); border: 1px solid rgba(124,58,237,0.22); }
.ev-invitro::before { background: var(--c-invitro); }

.ev-invivo    { background: rgba(217,119,6,0.10); color: var(--c-invivo); border: 1px solid rgba(217,119,6,0.22); }
.ev-invivo::before { background: var(--c-invivo); }

.ev-field     { background: rgba(5,150,105,0.10); color: var(--c-field); border: 1px solid rgba(5,150,105,0.22); }
.ev-field::before { background: var(--c-field); }

.ev-target    { background: rgba(2,132,199,0.10); color: var(--c-target); border: 1px solid rgba(2,132,199,0.22); }
.ev-target::before { background: var(--c-target); }

.ev-prelim    { background: rgba(107,114,128,0.10); color: #6B7280; border: 1px solid rgba(107,114,128,0.22); }
.ev-prelim::before { background: #6B7280; }


/* ═══════════════════════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════════════════════ */
#main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background var(--t-mid), box-shadow var(--t-mid), border-color var(--t-mid);
  border-bottom: 1px solid transparent;
}
#main-nav.nav-scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.06);
  border-bottom-color: var(--c-rule);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-8);
  gap: var(--space-6);
}

/* Logo */
.nav-logo { display: flex; align-items: center; flex-shrink: 0; }
.nav-logo-img {
  height: 30px;
  width: auto;
  display: block;
  transition: opacity var(--t-fast), filter var(--t-fast);
}
.nav-logo-img--light {
  filter: brightness(0) invert(1);
  opacity: 0.90;
}
.nav-logo-img--dark { display: none; }
#main-nav.nav-scrolled .nav-logo-img--light { display: none; }
#main-nav.nav-scrolled .nav-logo-img--dark { display: block; }

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
  justify-content: center;
}
.nav-item { position: relative; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.80);
  transition: color var(--t-fast);
  border-radius: var(--r-sm);
  white-space: nowrap;
}
.nav-link:hover { color: var(--c-white); }
.nav-link .nav-chevron {
  font-size: 0.6rem;
  transition: transform var(--t-fast);
  opacity: 0.6;
}
.nav-item:hover .nav-chevron { transform: rotate(180deg); opacity: 1; }

#main-nav.nav-scrolled .nav-link { color: var(--c-body); }
#main-nav.nav-scrolled .nav-link:hover { color: var(--c-heading); }

/* Dropdown */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-white);
  border: 1px solid var(--c-rule);
  border-radius: var(--r-lg);
  box-shadow: var(--s-lg);
  min-width: 260px;
  padding: var(--space-3);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-fast), transform var(--t-fast);
  transform: translateX(-50%) translateY(-4px);
}
.nav-item:hover .nav-dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}
.nav-dd-item {
  display: block;
  padding: 0.625rem 0.875rem;
  border-radius: var(--r-md);
  transition: background var(--t-fast);
}
.nav-dd-item:hover { background: var(--c-off); }
.nav-dd-item__title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--c-heading);
  margin-bottom: 0.125rem;
}
.nav-dd-item__desc {
  font-size: 0.75rem;
  color: var(--c-muted);
  line-height: 1.4;
}

/* Nav Right */
.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
}
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(255,255,255,0.10);
  border-radius: var(--r-sm);
  padding: 2px;
}
#main-nav.nav-scrolled .lang-toggle { background: var(--c-paper); }
.lang-btn {
  padding: 0.3rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 3px;
  color: rgba(255,255,255,0.65);
  transition: var(--t-fast);
}
.lang-btn.active {
  background: var(--c-white);
  color: var(--c-heading);
}
.lang-btn:hover:not(.active) { color: var(--c-white); }
#main-nav.nav-scrolled .lang-btn { color: var(--c-muted); }
#main-nav.nav-scrolled .lang-btn.active { background: var(--c-heading); color: var(--c-white); }
#main-nav.nav-scrolled .lang-btn:hover:not(.active) { color: var(--c-heading); }

/* Hamburger */
.nav-ham {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
  border-radius: var(--r-sm);
}
.nav-ham span {
  display: block;
  height: 1.5px;
  background: var(--c-white);
  border-radius: 1px;
  transition: transform var(--t-fast), opacity var(--t-fast);
}
#main-nav.nav-scrolled .nav-ham span { background: var(--c-heading); }
.nav-ham.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-ham.open span:nth-child(2) { opacity: 0; }
.nav-ham.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile Drawer */
.nav-drawer {
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--c-white);
  border-top: 1px solid var(--c-rule);
  padding: var(--space-6) var(--space-8) var(--space-8);
  z-index: 999;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--t-mid), opacity var(--t-mid);
  max-height: calc(100vh - var(--nav-h));
  overflow-y: auto;
}
.nav-drawer.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}
.drawer-section { margin-bottom: var(--space-6); }
.drawer-section-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--c-rule);
}
.drawer-link {
  display: block;
  padding: 0.625rem 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--c-heading);
  border-bottom: 1px solid var(--c-rule);
  transition: color var(--t-fast);
}
.drawer-link:last-child { border-bottom: none; }
.drawer-link:hover { color: var(--c-teal); }
.drawer-sub-link {
  display: block;
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
  color: var(--c-body);
  border-radius: var(--r-sm);
  transition: background var(--t-fast);
}
.drawer-sub-link:hover { background: var(--c-off); color: var(--c-teal); }
.drawer-sub-link strong { display: block; font-weight: 600; color: var(--c-heading); margin-bottom: 0.125rem; }
.drawer-sub-link span { font-size: 0.75rem; color: var(--c-muted); }
.drawer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  margin-top: var(--space-4);
  border-top: 1px solid var(--c-rule);
}
.drawer-lang { display: flex; gap: var(--space-3); }
.drawer-lang a {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--c-muted);
  padding: 0.375rem 0.75rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--c-rule);
}
.drawer-lang a.active { background: var(--c-heading); color: var(--c-white); border-color: var(--c-heading); }


/* ═══════════════════════════════════════════════════════════════════
   HERO SECTION — v4
   ═══════════════════════════════════════════════════════════════════ */
.hero-v4 {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--c-abyss);
  overflow: hidden;
  padding-top: var(--nav-h);
}

/* Background: subtle scientific texture */
.hero-v4__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-v4__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(5,150,105,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(5,150,105,0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 60% 50%, black 30%, transparent 100%);
}
.hero-v4__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}
.hero-v4__glow--1 {
  width: 800px; height: 600px;
  top: -10%; right: -10%;
  background: radial-gradient(ellipse, rgba(5,150,105,0.14) 0%, transparent 70%);
}
.hero-v4__glow--2 {
  width: 500px; height: 400px;
  bottom: -5%; left: 10%;
  background: radial-gradient(ellipse, rgba(6,78,59,0.10) 0%, transparent 70%);
}

/* Hero content */
.hero-v4__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding: var(--space-24) 0 var(--space-20);
}
.hero-v4__left {}
.hero-v4__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.375rem 0.875rem;
  border: 1px solid rgba(52,211,153,0.40);
  border-radius: var(--r-full);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-teal-light);
  margin-bottom: var(--space-8);
  background: rgba(5,150,105,0.12);
}
.hero-v4__badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-teal-light);
  animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.hero-v4__headline {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(2.75rem, 5.5vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--c-white);
  margin-bottom: var(--space-8);
}
.hero-v4__headline em {
  font-style: italic;
  color: var(--c-teal-light);
}

.hero-v4__sub {
  font-size: clamp(1rem, 1.6vw, 1.0625rem);
  color: rgba(255,255,255,0.78);
  line-height: 1.78;
  max-width: 52ch;
  margin-bottom: var(--space-10);
}

.hero-v4__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

/* Hero outcomes */
.hero-v4__outcomes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.07);
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.07);
}
.outcome-item {
  padding: var(--space-6) var(--space-5);
  background: rgba(255,255,255,0.03);
  transition: background var(--t-fast);
}
.outcome-item:hover { background: rgba(5,150,105,0.10); }
.outcome-item__num {
  font-family: var(--f-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--c-teal-light);
  margin-bottom: 0.25rem;
  letter-spacing: -0.02em;
}
.outcome-item__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(255,255,255,0.90);
  margin-bottom: 0.25rem;
}
.outcome-item__sub {
  font-size: 0.6875rem;
  color: rgba(255,255,255,0.40);
  line-height: 1.4;
}
.outcome-item__ev {
  margin-top: var(--space-3);
}

/* Hero right — data visualization */
.hero-v4__right {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-diagram {
  position: relative;
  width: 100%;
  max-width: 520px;
}
.hero-diagram__frame {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-lg);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
}
.hero-diagram__frame::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,151,178,0.5), transparent);
}
.hero-diagram__label {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: var(--space-6);
}
.rumen-chart {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
  height: 160px;
  margin-bottom: var(--space-6);
}
.rumen-bar {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
  height: 100%;
}
.rumen-bar__fill {
  width: 100%;
  border-radius: 3px 3px 0 0;
  transition: height 1.2s var(--ease);
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 6px;
}
.rumen-bar__fill--ch4 { background: linear-gradient(180deg, rgba(239,68,68,0.70), rgba(239,68,68,0.30)); }
.rumen-bar__fill--ch4-aenon { background: linear-gradient(180deg, rgba(0,151,178,0.80), rgba(0,151,178,0.30)); }
.rumen-bar__fill--prop { background: linear-gradient(180deg, rgba(16,185,129,0.80), rgba(16,185,129,0.30)); }
.rumen-bar__val {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--c-white);
}
.rumen-bar__name {
  font-size: 0.6875rem;
  color: rgba(255,255,255,0.50);
  text-align: center;
  line-height: 1.3;
}
.rumen-axis {
  display: flex;
  justify-content: space-between;
  font-size: 0.625rem;
  color: rgba(255,255,255,0.25);
  font-family: var(--f-mono);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-2);
}
.hero-diagram__meta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.meta-chip {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.6875rem;
  color: rgba(255,255,255,0.50);
}
.meta-chip__dot {
  width: 8px; height: 8px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* Scroll indicator */
.hero-scroll-v4 {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.30);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: float-down 2s ease infinite;
}
.hero-scroll-v4 i { font-size: 0.75rem; }
@keyframes float-down {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(4px); }
}


/* ═══════════════════════════════════════════════════════════════════
   GEO SUMMARY — AI Citation (minimal, scientific)
   ═══════════════════════════════════════════════════════════════════ */
.geo-bar {
  background: var(--c-navy);
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding: var(--space-6) 0;
}
.geo-bar__inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-8);
  align-items: start;
}
.geo-bar__tag {
  font-family: var(--f-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.25);
  padding: 0.25rem 0.625rem;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--r-xs);
  white-space: nowrap;
  margin-top: 0.125rem;
}
.geo-bar__content { font-size: 0.8125rem; color: rgba(255,255,255,0.55); line-height: 1.7; }
.geo-bar__content strong { color: rgba(255,255,255,0.85); font-weight: 600; }
.geo-bar__content em { font-style: italic; color: var(--c-teal-light); }

/* Entity strip */
.entity-strip {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.05);
  flex-wrap: wrap;
}
.entity-strip__tag {
  font-family: var(--f-mono);
  font-size: 0.6rem;
  color: rgba(255,255,255,0.20);
  letter-spacing: 0.10em;
  text-transform: uppercase;
}
.entity-node {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  border: 1px solid rgba(255,255,255,0.10);
  padding: 0.2rem 0.625rem;
  border-radius: var(--r-xs);
  transition: color var(--t-fast), border-color var(--t-fast);
}
.entity-node:hover { color: var(--c-teal-light); border-color: rgba(52,211,153,0.35); }
.entity-arrow { color: rgba(255,255,255,0.18); font-size: 0.75rem; }


/* ═══════════════════════════════════════════════════════════════════
   SECTION 2 — SOLUTIONS (Animal-first)
   ═══════════════════════════════════════════════════════════════════ */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--c-rule);
  border: 1px solid var(--c-rule);
  border-radius: var(--r-xl);
  overflow: hidden;
  margin-top: var(--space-12);
}
/* Solution card image header */
.solution-card__img {
  width: calc(100% + var(--space-8) * 2);
  margin: calc(-1 * var(--space-10)) calc(-1 * var(--space-8)) var(--space-8);
  height: 200px;
  overflow: hidden;
  position: relative;
}
.solution-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.45s ease;
  filter: brightness(0.88);
}
.solution-card:hover .solution-card__img img { transform: scale(1.04); }

.solution-card {
  background: var(--c-white);
  padding: var(--space-10) var(--space-8);
  display: flex;
  flex-direction: column;
  transition: background var(--t-mid);
  position: relative;
  overflow: hidden;
}
.solution-card::before {
  content: '';
  position: absolute;
  top: 0; left: var(--space-8); right: var(--space-8);
  height: 2px;
  background: transparent;
  transition: background var(--t-mid);
}
.solution-card:hover { background: var(--c-off); }
.solution-card--dairy::before { background: var(--c-teal); }
.solution-card--beef::before { background: #D97706; }
.solution-card--feed::before { background: var(--c-bio); }

.solution-card__label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: var(--space-5);
}
.solution-card__title {
  font-family: var(--f-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 400;
  color: var(--c-heading);
  line-height: 1.1;
  margin-bottom: var(--space-3);
}
.solution-card__sub {
  font-size: 0.875rem;
  color: var(--c-teal);
  font-weight: 600;
  margin-bottom: var(--space-6);
}
.solution-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  flex: 1;
}
.solution-card__item {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-size: 0.875rem;
  color: var(--c-body);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--c-rule);
}
.solution-card__item:last-child { border-bottom: none; }
.solution-card__item::before {
  content: '';
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--c-muted);
  flex-shrink: 0;
  margin-top: 0.35em;
}
.solution-card--dairy .solution-card__item::before { background: var(--c-teal); }
.solution-card--beef .solution-card__item::before { background: #D97706; }
.solution-card--feed .solution-card__item::before { background: var(--c-bio); }


/* ═══════════════════════════════════════════════════════════════════
   SECTION 3 — WHY AENON (Technology brief)
   Asymmetric layout — editorial
   ═══════════════════════════════════════════════════════════════════ */
.why-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-16);
  align-items: start;
}
.why-left {}
.why-right {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.tech-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-6);
  align-items: start;
  padding: var(--space-6) var(--space-6);
  border: 1px solid var(--c-rule);
  border-radius: var(--r-md);
  transition: border-color var(--t-fast), background var(--t-fast);
}
.tech-step:hover {
  border-color: var(--c-teal);
  background: rgba(5,150,105,0.04);
}
.tech-step__num {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--c-teal);
  letter-spacing: 0.05em;
  padding-top: 0.125rem;
}
.tech-step__title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--c-heading);
  margin-bottom: 0.25rem;
}
.tech-step__body {
  font-size: 0.8125rem;
  color: var(--c-muted);
  line-height: 1.6;
}
.tech-connector {
  width: 1px;
  height: var(--space-2);
  background: var(--c-rule);
  margin: 0 0 0 calc(var(--space-6) + 1.875rem);
}


/* ═══════════════════════════════════════════════════════════════════
   SECTION 4 — EVIDENCE
   ═══════════════════════════════════════════════════════════════════ */
.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}
.evidence-card {
  border: 1px solid var(--c-rule);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.evidence-card__header {
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--c-rule);
}
.evidence-card__stage {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--c-heading);
}
.evidence-card__body {
  padding: var(--space-6);
}
.evidence-metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}
.ev-metric-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--c-rule);
}
.ev-metric-row:last-child { border-bottom: none; }
.ev-metric-label { font-size: 0.8125rem; color: var(--c-muted); }
.ev-metric-val {
  font-family: var(--f-mono);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--c-heading);
}
.ev-metric-val--highlight { color: var(--c-teal); }
.evidence-card__note {
  font-size: 0.75rem;
  color: var(--c-muted);
  line-height: 1.55;
  padding-top: var(--space-4);
  border-top: 1px solid var(--c-rule);
  font-family: var(--f-mono);
}


/* ═══════════════════════════════════════════════════════════════════
   SECTION 5 — IMPACT
   ═══════════════════════════════════════════════════════════════════ */
.impact-flow {
  display: flex;
  align-items: stretch;
  gap: 0;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-top: var(--space-12);
}
.impact-flow-step {
  flex: 1;
  padding: var(--space-8) var(--space-6);
  border-right: 1px solid rgba(255,255,255,0.06);
  position: relative;
  transition: background var(--t-fast);
}
.impact-flow-step:last-child { border-right: none; }
.impact-flow-step:hover { background: rgba(255,255,255,0.03); }
.impact-flow-step::after {
  content: '→';
  position: absolute;
  right: -10px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255,255,255,0.15);
  font-size: 1rem;
  z-index: 1;
}
.impact-flow-step:last-child::after { display: none; }
.impact-flow-step__num {
  font-family: var(--f-mono);
  font-size: 0.625rem;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.impact-flow-step__title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--space-2);
}
.impact-flow-step__body {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.40);
  line-height: 1.55;
}

.impact-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}
.impact-stat {
  padding: var(--space-6);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--r-md);
}
.impact-stat__num {
  font-family: var(--f-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--c-teal-light);
  line-height: 1;
  margin-bottom: var(--space-2);
}
.impact-stat__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: rgba(255,255,255,0.70);
  margin-bottom: var(--space-2);
}
.impact-stat__note {
  font-size: 0.6875rem;
  color: rgba(255,255,255,0.30);
  line-height: 1.45;
}


/* ═══════════════════════════════════════════════════════════════════
   SECTION 6 — PRODUCT (AenoFeed SC-1)
   ═══════════════════════════════════════════════════════════════════ */
.product-v4 {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-16);
  align-items: start;
  margin-top: var(--space-12);
}
.product-v4__left {}
.product-v4__name {
  font-family: var(--f-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.10em;
  color: var(--c-teal);
  margin-bottom: var(--space-3);
}
.product-v4__headline {
  font-family: var(--f-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 400;
  color: var(--c-heading);
  line-height: 1.1;
  margin-bottom: var(--space-5);
}
.product-v4__desc {
  font-size: 0.9375rem;
  color: var(--c-body);
  line-height: 1.75;
  margin-bottom: var(--space-8);
}
.product-v4__actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

.product-v4__right {}
.product-spec-block {
  border: 1px solid var(--c-rule);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.product-spec-section {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--c-rule);
}
.product-spec-section:last-child { border-bottom: none; }
.product-spec-section__label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: var(--space-4);
}
.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--c-rule);
  gap: var(--space-4);
}
.spec-row:last-child { border-bottom: none; }
.spec-row__key {
  font-size: 0.8125rem;
  color: var(--c-muted);
  flex-shrink: 0;
}
.spec-row__val {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--c-heading);
  text-align: right;
}
.spec-row__val--highlight { color: var(--c-teal); }


/* ═══════════════════════════════════════════════════════════════════
   SECTION 7 — FUTURE APPLICATIONS
   ═══════════════════════════════════════════════════════════════════ */
.future-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-12);
}
.future-card {
  padding: var(--space-6);
  border: 1px solid var(--c-rule);
  border-radius: var(--r-lg);
  transition: border-color var(--t-fast), background var(--t-fast);
}
.future-card:hover {
  border-color: var(--c-teal);
  background: var(--c-off);
}
.future-card__tag {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-muted);
  font-family: var(--f-mono);
  margin-bottom: var(--space-4);
}
.future-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--c-heading);
  margin-bottom: var(--space-2);
}
.future-card__body {
  font-size: 0.8125rem;
  color: var(--c-muted);
  line-height: 1.55;
}


/* ═══════════════════════════════════════════════════════════════════
   SECTION 8 — PARTNERSHIP / CONTACT
   ═══════════════════════════════════════════════════════════════════ */
.partnership-v4 {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-16);
  align-items: start;
}
.partnership-v4__left {}
.partnership-v4__right {}

.partner-types {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}
.partner-type {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--c-paper);
  border-radius: var(--r-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--c-body);
}

/* Contact form v4 */
.contact-form-v4 {
  background: var(--c-white);
  border: 1px solid var(--c-rule);
  border-radius: var(--r-xl);
  padding: var(--space-10);
  box-shadow: var(--s-md);
}
.contact-form-v4 h3 {
  font-family: var(--f-display);
  font-size: 1.625rem;
  font-weight: 400;
  color: var(--c-heading);
  margin-bottom: var(--space-2);
}
.contact-form-v4 .form-sub {
  font-size: 0.875rem;
  color: var(--c-muted);
  margin-bottom: var(--space-8);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-field { display: flex; flex-direction: column; gap: var(--space-2); }
.form-field--full { grid-column: 1 / -1; }
.form-field label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--c-heading);
}
.form-field label .req { color: var(--c-teal); }
.form-field input,
.form-field textarea,
.form-field select {
  padding: 0.6875rem 0.875rem;
  border: 1px solid var(--c-rule);
  border-radius: var(--r-md);
  font-size: 0.9rem;
  font-family: var(--f-sans);
  color: var(--c-heading);
  background: var(--c-white);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  outline: none;
  width: 100%;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--c-teal);
  box-shadow: 0 0 0 3px rgba(0,151,178,0.10);
}
.form-field textarea { resize: vertical; min-height: 120px; }

/* Inquiry chips */
.inquiry-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.inquiry-chip {
  padding: 0.375rem 0.875rem;
  border: 1px solid var(--c-rule);
  border-radius: var(--r-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--c-body);
  transition: var(--t-fast);
  cursor: pointer;
}
.inquiry-chip.active,
.inquiry-chip:hover {
  background: var(--c-teal);
  color: var(--c-white);
  border-color: var(--c-teal);
}
.form-submit-row { margin-top: var(--space-6); }
.form-note { font-size: 0.75rem; color: var(--c-muted); margin-top: var(--space-3); text-align: center; }
.form-success-msg {
  display: none;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: var(--r-md);
  font-size: 0.875rem;
  color: var(--c-bio);
  margin-top: var(--space-4);
}
.form-success-msg.show { display: flex; }
.form-success-msg i { color: var(--c-bio); }

.form-error-msg {
  display: none;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: rgba(220,38,38,0.07);
  border: 1px solid rgba(220,38,38,0.25);
  border-radius: var(--r-md);
  font-size: 0.875rem;
  color: #dc2626;
  margin-top: var(--space-4);
  line-height: 1.55;
}
.form-error-msg i { color: #dc2626; flex-shrink: 0; margin-top: 2px; }
.form-error-msg a { color: #dc2626; text-decoration: underline; }

/* Contact info blocks */
.cinfo-v4 {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-8);
}
.cinfo-v4-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: start;
}
.cinfo-v4-icon {
  width: 36px; height: 36px;
  background: var(--c-paper);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8125rem;
  color: var(--c-teal);
  flex-shrink: 0;
}
.cinfo-v4-label { font-size: 0.75rem; color: var(--c-muted); font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }
.cinfo-v4-val { font-size: 0.9375rem; color: var(--c-heading); font-weight: 500; }
.cinfo-v4-val a { color: var(--c-teal); }
.cinfo-v4-val a:hover { text-decoration: underline; }


/* ═══════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════ */
.site-footer-v4 {
  background: var(--c-abyss);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: var(--space-16) 0 var(--space-10);
}
.footer-v4-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}
.footer-v4-brand {}
.footer-logo-v4 { margin-bottom: var(--space-5); }
.footer-logo-v4 img { height: 28px; filter: brightness(0) invert(1); opacity: 0.85; }
.footer-v4-brand p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.40);
  line-height: 1.7;
  max-width: 26ch;
  margin-bottom: var(--space-5);
}
.footer-address {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.25);
  line-height: 1.75;
  margin-bottom: var(--space-5);
}
.footer-social { display: flex; gap: var(--space-3); }
.footer-social-btn {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--r-sm);
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.45);
  transition: var(--t-fast);
}
.footer-social-btn:hover { border-color: rgba(255,255,255,0.30); color: var(--c-white); }

.footer-v4-col h4 {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.40);
  margin-bottom: var(--space-5);
}
.footer-v4-col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-v4-col ul li a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.50);
  transition: color var(--t-fast);
}
.footer-v4-col ul li a:hover { color: var(--c-white); }

.footer-v4-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.06);
  gap: var(--space-4);
  flex-wrap: wrap;
}
.footer-v4-copy, .footer-v4-biz {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.25);
}
.footer-v4-legal {
  display: flex;
  gap: var(--space-5);
}
.footer-v4-legal a {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.30);
  transition: color var(--t-fast);
}
.footer-v4-legal a:hover { color: rgba(255,255,255,0.70); }


/* ═══════════════════════════════════════════════════════════════════
   SCROLL ANIMATIONS
   ═══════════════════════════════════════════════════════════════════ */
[data-anim] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}
[data-anim="right"] {
  transform: translateX(-20px);
}
[data-anim="left"] {
  transform: translateX(20px);
}
[data-anim].in-view {
  opacity: 1;
  transform: none;
}


/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .why-grid       { grid-template-columns: 1fr; gap: var(--space-12); }
  .product-v4     { grid-template-columns: 1fr; gap: var(--space-10); }
  .partnership-v4 { grid-template-columns: 1fr; gap: var(--space-10); }
  .impact-stats   { grid-template-columns: repeat(2, 1fr); }
  .footer-v4-grid { grid-template-columns: 1fr 1fr 1fr; gap: var(--space-8); }
  .footer-v4-brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  :root { --sec-py: 5rem; }
  .hero-v4__inner { grid-template-columns: 1fr; gap: var(--space-12); }
  .hero-v4__right { display: none; }
  .hero-v4__outcomes { grid-template-columns: repeat(3, 1fr); }
  .solutions-grid { grid-template-columns: 1fr; }
  .solution-card::before { top: 0; left: 0; right: 0; height: 3px; border-radius: 0; }
  .evidence-grid  { grid-template-columns: 1fr; }
  .future-grid    { grid-template-columns: repeat(2, 1fr); }
  .nav-links, .nav-right .btn-nav-cta { display: none; }
  .nav-ham { display: flex; }
}

@media (max-width: 640px) {
  :root { --sec-py: 4rem; }
  .wrap { padding: 0 var(--space-5); }
  .hero-v4__outcomes { grid-template-columns: 1fr; }
  .future-grid    { grid-template-columns: 1fr; }
  .impact-stats   { grid-template-columns: 1fr 1fr; }
  .form-grid      { grid-template-columns: 1fr; }
  .hero-v4__actions { flex-direction: column; align-items: flex-start; }
  .footer-v4-grid { grid-template-columns: 1fr 1fr; }
  .footer-v4-brand { grid-column: 1 / -1; }
  .footer-v4-bottom { flex-direction: column; align-items: flex-start; }
  .geo-bar__inner { grid-template-columns: 1fr; }
  .impact-flow    { flex-direction: column; }
  .impact-flow-step::after { display: none; }
}

/* Korean font support */
:lang(ko) body {
  font-family: 'Noto Sans KR', var(--f-sans);
  word-break: keep-all;
}
:lang(ko) .display,
:lang(ko) .hero-v4__headline {
  font-family: 'Noto Serif KR', var(--f-display);
  letter-spacing: -0.03em;
}
:lang(ko) .lead { max-width: 48ch; }


/* ═══════════════════════════════════════════════════════════════════
   MEDIA SECTION
   ═══════════════════════════════════════════════════════════════════ */
.media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}
@media (max-width: 1024px) {
  .media-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Media card — editorial, not generic */
.media-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--c-rule);
  background: #fff;
  padding: var(--space-8);
  text-decoration: none;
  color: inherit;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  position: relative;
  overflow: hidden;
}
.media-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--c-teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s ease;
}
.media-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(10,15,26,0.10);
  border-color: rgba(0,151,178,0.35);
}
.media-card:hover::before {
  transform: scaleX(1);
}

.media-card__publisher {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--c-teal);
  margin-bottom: var(--space-4);
}

.media-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--c-heading);
  margin-bottom: var(--space-3);
  flex: 1;
  transition: color 0.18s;
}
.media-card:hover .media-card__title {
  color: var(--c-teal-dark);
}

.media-card__summary {
  font-size: 0.875rem;
  color: var(--c-muted);
  line-height: 1.6;
  margin-bottom: var(--space-5);
}

.media-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--space-5);
  border-top: 1px solid var(--c-rule);
}

.media-card__date {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  color: var(--c-muted);
}

.media-card__cta {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--c-teal);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.18s ease;
}
.media-card:hover .media-card__cta {
  gap: 8px;
}

/* section--off variant needs white cards */
.section--off .media-card {
  background: #fff;
}

@media (max-width: 700px) {
  .media-grid { grid-template-columns: 1fr; gap: var(--space-5); }
  .media-card { padding: var(--space-6); }
}


/* ═══════════════════════════════════════════════════════════════════
   PLATFORM VALUE CHAIN SECTION (S-VC)
   ═══════════════════════════════════════════════════════════════════ */
.value-chain-section {
  background: var(--c-abyss);
  border-top: 1px solid rgba(5,150,105,0.18);
  border-bottom: 1px solid rgba(5,150,105,0.18);
}

.value-chain-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  margin-top: var(--space-14);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.vc-step {
  padding: var(--space-7) var(--space-5);
  border-right: 1px solid rgba(255,255,255,0.07);
  position: relative;
  background: rgba(255,255,255,0.02);
  transition: background 0.22s;
}
.vc-step:last-child { border-right: none; }
.vc-step:hover { background: rgba(5,150,105,0.07); }

.vc-step__num {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  color: var(--c-teal);
  letter-spacing: 0.10em;
  margin-bottom: var(--space-4);
}

.vc-step__icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-4);
  line-height: 1;
}

.vc-step__title {
  font-size: 0.875rem;
  font-weight: 700;
  color: rgba(255,255,255,0.90);
  line-height: 1.35;
  margin-bottom: var(--space-3);
}

.vc-step__body {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.6;
}

.vc-step__badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  background: rgba(5,150,105,0.15);
  border: 1px solid rgba(52,211,153,0.30);
  border-radius: 20px;
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--c-teal-light);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: var(--space-4);
}

/* Arrow connector between steps — desktop only */
.vc-step__arrow {
  display: none;
}

.value-chain-tagline {
  margin-top: var(--space-10);
  padding: var(--space-7) var(--space-8);
  border: 1px solid rgba(5,150,105,0.20);
  border-radius: var(--r-md);
  background: rgba(5,150,105,0.06);
  display: flex;
  align-items: center;
  gap: var(--space-5);
}
.value-chain-tagline__icon {
  font-size: 1.25rem;
  color: var(--c-teal-light);
  flex-shrink: 0;
}
.value-chain-tagline__text {
  font-size: clamp(0.9375rem, 1.8vw, 1.125rem);
  color: rgba(255,255,255,0.78);
  line-height: 1.5;
  font-style: italic;
}
.value-chain-tagline__text strong {
  color: var(--c-teal-light);
  font-style: normal;
}

@media (max-width: 1100px) {
  .value-chain-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .vc-step:nth-child(3) { border-right: none; }
  .vc-step:nth-child(3),
  .vc-step:nth-child(4),
  .vc-step:nth-child(5),
  .vc-step:nth-child(6) {
    border-top: 1px solid rgba(255,255,255,0.07);
  }
}

@media (max-width: 700px) {
  .value-chain-grid {
    grid-template-columns: 1fr;
  }
  .vc-step {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    padding: var(--space-6);
    display: grid;
    grid-template-columns: 40px 1fr;
    grid-template-rows: auto auto auto;
    gap: 0 var(--space-4);
  }
  .vc-step:last-child { border-bottom: none; }
  .vc-step__num { grid-column: 1; grid-row: 1; align-self: start; margin-bottom: 0; }
  .vc-step__icon { display: none; }
  .vc-step__title { grid-column: 2; grid-row: 1; }
  .vc-step__body { grid-column: 2; grid-row: 2; }
  .vc-step__badge { grid-column: 2; grid-row: 3; }
  .value-chain-tagline { flex-direction: column; gap: var(--space-3); }
}


/* ═══════════════════════════════════════════════════════════════════
   STRUCTURAL COST ADVANTAGE (sub-block inside product section)
   ═══════════════════════════════════════════════════════════════════ */
.cost-adv-block {
  margin-top: var(--space-16);
  padding-top: var(--space-12);
  border-top: 1px solid var(--c-rule);
}

.cost-adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
}

.cost-adv-card {
  padding: var(--space-7) var(--space-6);
  border: 1px solid var(--c-rule);
  border-radius: var(--r-md);
  background: #fff;
  position: relative;
  transition: box-shadow 0.22s, transform 0.22s;
}
.cost-adv-card:hover {
  box-shadow: 0 8px 28px rgba(6,78,59,0.10);
  transform: translateY(-2px);
}

.cost-adv-card__num {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  color: var(--c-teal);
  letter-spacing: 0.10em;
  margin-bottom: var(--space-3);
}

.cost-adv-card__icon {
  font-size: 1.375rem;
  color: var(--c-teal);
  margin-bottom: var(--space-4);
}

.cost-adv-card__title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--c-deep);
  line-height: 1.3;
  margin-bottom: var(--space-3);
}

.cost-adv-card__body {
  font-size: 0.8125rem;
  color: var(--c-muted);
  line-height: 1.65;
}

.cost-adv-note {
  margin-top: var(--space-8);
  padding: var(--space-5) var(--space-6);
  background: rgba(5,150,105,0.05);
  border-left: 3px solid var(--c-teal);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 0.8125rem;
  color: var(--c-muted);
  line-height: 1.65;
}

@media (max-width: 900px) {
  .cost-adv-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .cost-adv-grid { grid-template-columns: 1fr; gap: var(--space-4); }
}


/* ═══════════════════════════════════════════════════════════════════
   R&D CONSORTIUM SECTION
   ═══════════════════════════════════════════════════════════════════ */
.consortium-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
}

.consortium-card {
  padding: var(--space-8);
  border: 1px solid var(--c-rule);
  border-radius: var(--r-md);
  background: #fff;
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.22s;
}
.consortium-card:hover { box-shadow: 0 6px 24px rgba(6,78,59,0.09); }

.consortium-card--lead {
  border-color: var(--c-teal);
  border-width: 2px;
}
.consortium-card--lead::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-teal-dark), var(--c-teal-mid));
}

.consortium-card__wp {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  color: var(--c-teal);
  letter-spacing: 0.10em;
  margin-bottom: var(--space-3);
}

.consortium-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-deep);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.consortium-card__lead-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 0.2rem 0.6rem;
  background: rgba(5,150,105,0.10);
  border: 1px solid rgba(5,150,105,0.30);
  border-radius: 20px;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--c-teal-dark);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.consortium-card__body {
  font-size: 0.875rem;
  color: var(--c-muted);
  line-height: 1.65;
}

.consortium-partners {
  margin-top: var(--space-12);
  padding: var(--space-8);
  border: 1px solid var(--c-rule);
  border-radius: var(--r-md);
  background: var(--c-off);
}

.consortium-partners__label {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  color: var(--c-muted);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

.consortium-partners__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.partner-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 0.3rem 0.75rem;
  background: #fff;
  border: 1px solid var(--c-rule);
  border-radius: 20px;
  font-size: 0.8125rem;
  color: var(--c-text);
  font-weight: 500;
  transition: border-color 0.18s, color 0.18s;
}
.partner-tag:hover { border-color: var(--c-teal); color: var(--c-teal-dark); }
.partner-tag--pending {
  opacity: 0.55;
  font-style: italic;
}

.consortium-note {
  margin-top: var(--space-5);
  font-size: 0.75rem;
  color: var(--c-muted);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}
.consortium-note i { flex-shrink: 0; margin-top: 2px; }

@media (max-width: 800px) {
  .consortium-grid { grid-template-columns: 1fr; }
}


/* ═══════════════════════════════════════════════════════════════════
   IP & OWNERSHIP TABLE SECTION
   ═══════════════════════════════════════════════════════════════════ */
.ip-table-wrap {
  margin-top: var(--space-10);
  overflow-x: auto;
  border: 1px solid var(--c-rule);
  border-radius: var(--r-md);
  -webkit-overflow-scrolling: touch;
}

.ip-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  min-width: 680px;
}

.ip-table thead tr {
  background: var(--c-deep);
}

.ip-table thead th {
  padding: var(--space-5) var(--space-6);
  text-align: left;
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: rgba(255,255,255,0.50);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  white-space: nowrap;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.ip-table tbody tr {
  border-bottom: 1px solid var(--c-rule);
  transition: background 0.18s;
}
.ip-table tbody tr:last-child { border-bottom: none; }
.ip-table tbody tr:hover { background: rgba(5,150,105,0.04); }

.ip-table tbody td {
  padding: var(--space-5) var(--space-6);
  color: var(--c-text);
  line-height: 1.55;
  vertical-align: top;
}

.ip-table td:first-child {
  font-weight: 600;
  color: var(--c-deep);
}

.ip-stage-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.ip-stage-badge--active {
  background: rgba(5,150,105,0.10);
  color: var(--c-teal-dark);
  border: 1px solid rgba(5,150,105,0.25);
}
.ip-stage-badge--review {
  background: rgba(234,179,8,0.10);
  color: #92400E;
  border: 1px solid rgba(234,179,8,0.30);
}
.ip-stage-badge--planned {
  background: rgba(99,102,241,0.10);
  color: #3730A3;
  border: 1px solid rgba(99,102,241,0.25);
}

.ip-fto-block {
  margin-top: var(--space-8);
  padding: var(--space-6) var(--space-7);
  background: rgba(5,150,105,0.05);
  border: 1px solid rgba(5,150,105,0.18);
  border-radius: var(--r-md);
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
}
.ip-fto-block__icon {
  font-size: 1.125rem;
  color: var(--c-teal);
  flex-shrink: 0;
  margin-top: 2px;
}
.ip-fto-block__text {
  font-size: 0.875rem;
  color: var(--c-text);
  line-height: 1.65;
}
.ip-fto-block__text strong { color: var(--c-teal-dark); }

.ip-counsel-note {
  margin-top: var(--space-5);
  font-size: 0.75rem;
  color: var(--c-muted);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}
.ip-counsel-note i { flex-shrink: 0; margin-top: 2px; }