/* ============================================
   WORLD PLANT MILK DAY — EDITORIAL REDESIGN
   Brand: Black + Surgical Pink (#FF0080)
   ============================================ */

:root {
  /* Brand — pink is surgical */
  --pink: #FF0080;
  --pink-hover: #E60073;

  /* Backgrounds */
  --bg: #0A0A0A;
  --bg-elevated: #111111;
  --bg-surface: #1A1A1A;

  /* Warm neutrals */
  --cream: #FAF8F5;
  --warm-100: #E8E4DF;
  --warm-200: #C4BFB8;
  --warm-300: #9B9590;
  --warm-400: #6E6862;
  --warm-500: #4A4540;

  /* Section accents */
  --nature-green: #4A8C5E;
  --nature-green-dim: #2D5A3D;
  --nature-bg: #0D1A12;
  --animals-warm: #C9956B;
  --animals-bg: #1A150F;
  --health-teal: #3EA8BA;
  --health-teal-dim: #2A7C8A;
  --health-bg: #0D1518;

  /* Type */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'Space Mono', monospace;

  /* Scale */
  --type-hero: clamp(4.5rem, 10vw, 9rem);
  --type-display: clamp(2.5rem, 5vw, 4.5rem);
  --type-large: clamp(1.5rem, 3vw, 2.5rem);
  --type-body-lg: 1.2rem;
  --type-body: 1rem;
  --type-small: 0.875rem;
  --type-micro: 0.75rem;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--warm-200);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Noise texture overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.4;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: overlay;
}

a { color: var(--warm-200); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--cream); }

.container { max-width: 1100px; margin: 0 auto; padding: 0 clamp(1.5rem, 4vw, 4rem); }

mark {
  background: rgba(255, 0, 128, 0.12);
  color: inherit;
  padding: 0.05em 0.15em;
  border-radius: 0;
}

cite {
  display: block;
  font-family: var(--font-body);
  font-variant: small-caps;
  font-style: normal;
  font-size: var(--type-micro);
  color: var(--warm-400);
  margin-top: 0.75rem;
  letter-spacing: 0.02em;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   PARTICLES
   ============================================ */
#particles {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

/* ============================================
   NAV
   ============================================ */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: all 0.4s var(--ease);
}

#navbar.scrolled {
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 12px 0;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 4rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--cream);
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: var(--type-small);
  font-weight: 400;
  color: var(--warm-300);
  transition: color 0.3s;
}
.nav-link:hover, .nav-link.active { color: var(--cream); }

.nav-cta {
  background: var(--pink);
  color: var(--cream) !important;
  padding: 8px 20px;
  border-radius: 100px;
  font-weight: 500;
  font-size: var(--type-small);
}
.nav-cta:hover { background: var(--pink-hover); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--cream);
  transition: all 0.3s var(--ease);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}
.btn-primary {
  background: var(--pink);
  color: var(--cream);
  padding: 16px 36px;
  border-radius: 0;
  font-size: var(--type-small);
}
.btn-primary:hover {
  background: var(--pink-hover);
  transform: translateY(-2px);
  color: var(--cream);
}
.btn-full { width: 100%; justify-content: center; padding: 16px; }

/* ============================================
   HERO
   ============================================ */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 4vw, 6rem);
}

.hero-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 0.5fr;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.hero-date {
  font-family: var(--font-mono);
  font-variant: small-caps;
  font-size: var(--type-small);
  color: var(--warm-400);
  letter-spacing: 0.3em;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeIn 0.6s var(--ease) 0.3s both;
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--type-hero);
  font-weight: 900;
  line-height: 0.95;
  color: var(--cream);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: slideUp 0.8s var(--ease) 0.5s both;
}

.hero-accent {
  color: var(--pink);
  font-style: italic;
  font-weight: 700;
}

.hero-sub {
  font-size: var(--type-body-lg);
  font-weight: 300;
  color: var(--warm-300);
  max-width: 30ch;
  line-height: 1.6;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeIn 0.6s var(--ease) 0.8s both;
}

#hero .btn-primary {
  opacity: 0;
  animation: fadeIn 0.6s var(--ease) 1s both;
}

/* Stats strip */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  padding: 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  opacity: 0;
  animation: fadeIn 0.6s var(--ease) 1.2s both;
}

.stat { text-align: center; }
.stat-num {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--cream);
}
.stat-suffix {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--cream);
}
.stat-label {
  display: block;
  font-size: var(--type-micro);
  color: var(--warm-400);
  margin-top: 0.25rem;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--warm-500);
}

/* ============================================
   BENEFITS — Alternating editorial rows
   ============================================ */
#benefits {
  padding: 8rem 0 6rem;
}

.editorial-opener {
  font-family: var(--font-display);
  font-size: var(--type-display);
  color: var(--cream);
  margin-bottom: 4rem;
}
.editorial-opener em { font-weight: 400; }

.benefit-row {
  display: grid;
  gap: 3rem;
  align-items: center;
  padding: 3rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  /* Hidden for animation */
  opacity: 0;
  transform: translateX(-40px);
  transition: all 0.7s var(--ease);
}
.benefit-row.visible {
  opacity: 1;
  transform: translateX(0);
}

.benefit-row:nth-child(odd) { grid-template-columns: 3fr 2fr; }
.benefit-row:nth-child(even) {
  grid-template-columns: 2fr 3fr;
  transform: translateX(40px);
}
.benefit-row:nth-child(even).visible { transform: translateX(0); }
.benefit-row:nth-child(even) .benefit-text { order: 2; }
.benefit-row:nth-child(even) .benefit-visual { order: 1; }

.benefit-text h3 {
  font-family: var(--font-display);
  font-size: var(--type-large);
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 0.75rem;
}
.benefit-text p {
  font-size: var(--type-body);
  color: var(--warm-200);
  line-height: 1.7;
}

.benefit-visual {
  text-align: center;
  padding: 2rem;
}

.big-stat {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 700;
  color: var(--cream);
  line-height: 1;
  letter-spacing: -0.03em;
}
.big-stat-caption {
  display: block;
  font-size: var(--type-small);
  color: var(--warm-400);
  margin-top: 0.5rem;
}

/* Stat compare (water) */
.stat-compare {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}
.compare-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--cream);
  line-height: 1;
}
.compare-label {
  display: block;
  font-size: var(--type-micro);
  color: var(--warm-400);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.compare-vs {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--type-body-lg);
  color: var(--warm-400);
}

/* ============================================
   NATURE — Diagonal clip, timeline, green
   ============================================ */
#nature {
  background: linear-gradient(180deg, #0F1F15 0%, var(--nature-bg) 100%);
  clip-path: polygon(0 4vw, 100% 0, 100% 100%, 0 100%);
  margin-top: -4vw;
  padding: 10rem 0 6rem;
}

.nature-opener {
  font-family: var(--font-display);
  font-size: var(--type-display);
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 1rem;
}
.nature-lead {
  font-size: var(--type-body-lg);
  font-weight: 300;
  color: var(--warm-300);
  max-width: 50ch;
  margin-bottom: 4rem;
  line-height: 1.7;
}

/* Timeline */
.nature-timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto 5rem;
  padding-left: 2rem;
}
.timeline-line {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--nature-green), transparent);
}
.timeline-entry {
  position: relative;
  padding: 0 0 3rem 2.5rem;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s var(--ease);
}
.timeline-entry.visible {
  opacity: 1;
  transform: translateY(0);
}
.timeline-node {
  position: absolute;
  left: -4px;
  top: 0.5rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--nature-green);
}
.timeline-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--type-large);
  font-weight: 700;
  color: rgba(74, 140, 94, 0.3);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.timeline-entry h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 0.5rem;
}
.timeline-entry p {
  font-size: var(--type-body);
  color: var(--warm-200);
  line-height: 1.7;
}
.timeline-entry strong {
  color: var(--nature-green);
  font-weight: 600;
}

/* CO2 Chart */
.co2-chart {
  max-width: 700px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s var(--ease);
}
.co2-chart.visible { opacity: 1; transform: translateY(0); }

.co2-chart h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--cream);
  margin-bottom: 1.5rem;
}
.co2-chart h3 span {
  font-weight: 400;
  color: var(--warm-400);
  font-size: var(--type-small);
}

.chart-bars { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 1rem; }
.chart-row { display: flex; align-items: center; gap: 1rem; }
.chart-label {
  font-size: var(--type-small);
  color: var(--warm-300);
  min-width: 60px;
  text-align: right;
  font-weight: 500;
}
.chart-track {
  flex: 1;
  height: 28px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 4px;
  overflow: hidden;
}
.chart-fill {
  height: 100%;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 10px;
  width: 0;
  transition: width 1.2s var(--ease);
}
.chart-fill.animate { width: var(--bar-w); }
.chart-fill span {
  font-size: var(--type-micro);
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--cream);
}
.chart-dairy { background: #8B3A3A; }
.chart-plant { background: var(--nature-green-dim); }

/* ============================================
   ANIMALS — Pull quote, open text, warm amber
   ============================================ */
#animals {
  padding: 8rem 0;
}

.animals-quote {
  font-family: var(--font-display);
  font-size: var(--type-display);
  font-style: italic;
  font-weight: 400;
  color: var(--cream);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 5rem;
  line-height: 1.3;
  position: relative;
  border: none;
  padding: 0;
  opacity: 0;
  transform: scale(0.97);
  transition: all 0.8s var(--ease);
}
.animals-quote.visible {
  opacity: 1;
  transform: scale(1);
}
.animals-quote::before {
  content: '\201C';
  font-size: 10rem;
  color: var(--animals-warm);
  opacity: 0.15;
  position: absolute;
  top: -3rem;
  left: -1.5rem;
  font-family: var(--font-display);
  line-height: 1;
}

.animals-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem 5rem;
  max-width: 900px;
  margin: 0 auto 4rem;
}
.animals-block {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s var(--ease);
}
.animals-block.visible { opacity: 1; transform: translateY(0); }

.animals-block h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 0.5rem;
}
.animals-block p {
  font-size: var(--type-body);
  color: var(--warm-200);
  line-height: 1.7;
}
.animals-block strong { color: var(--animals-warm); font-weight: 600; }

/* Stat break */
.animals-stat-break {
  text-align: center;
  padding: 4rem 0;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s var(--ease);
}
.animals-stat-break.visible { opacity: 1; transform: translateY(0); }

.stat-figure {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 700;
  color: var(--animals-warm);
  line-height: 1;
  letter-spacing: -0.03em;
}
.stat-unit {
  font-family: var(--font-mono);
  font-size: var(--type-large);
  color: var(--animals-warm);
  opacity: 0.7;
}
.stat-context {
  display: block;
  font-size: var(--type-small);
  color: var(--warm-400);
  margin-top: 0.5rem;
}

/* ============================================
   HEALTH — Teal, horizontal ribbon, grid table
   ============================================ */
#health {
  background: linear-gradient(180deg, var(--health-bg) 0%, #0B1316 100%);
  padding: 8rem 0 6rem;
}

.health-opener {
  font-family: var(--font-display);
  font-size: var(--type-display);
  color: var(--cream);
  margin-bottom: 1rem;
}
.health-opener em { font-weight: 400; }

.health-lead {
  font-size: var(--type-body-lg);
  font-weight: 300;
  color: var(--warm-300);
  max-width: 50ch;
  margin-bottom: 3rem;
  line-height: 1.7;
}

/* Horizontal scroll ribbon */
.health-ribbon {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 1rem 0 2rem;
  margin-bottom: 4rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--health-teal-dim) transparent;
}
.health-ribbon::-webkit-scrollbar { height: 4px; }
.health-ribbon::-webkit-scrollbar-track { background: transparent; }
.health-ribbon::-webkit-scrollbar-thumb { background: var(--health-teal-dim); border-radius: 2px; }

.health-fact {
  flex: 0 0 min(80vw, 340px);
  scroll-snap-align: start;
  padding: 2rem;
  background: rgba(42, 124, 138, 0.06);
  border-left: 3px solid var(--health-teal-dim);
  border-radius: 0 8px 8px 0;
}
.health-fact h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 0.5rem;
}
.health-fact p {
  font-size: var(--type-small);
  color: var(--warm-200);
  line-height: 1.65;
}
.health-fact strong { color: var(--health-teal); font-weight: 600; }

/* Nutrition grid */
.nutrition-grid {
  max-width: 900px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s var(--ease);
}
.nutrition-grid.visible { opacity: 1; transform: translateY(0); }

.nutrition-grid > h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--cream);
  margin-bottom: 1.5rem;
}
.nutrition-grid > h3 span {
  font-weight: 400;
  color: var(--warm-400);
  font-size: var(--type-small);
}

.nutrition-header, .nutrition-row {
  display: grid;
  grid-template-columns: 90px 50px 65px 45px 65px 1fr;
  gap: 0.75rem;
  align-items: center;
  padding: 0.75rem 0;
}
.nutrition-header {
  font-variant: small-caps;
  font-size: var(--type-micro);
  color: var(--warm-400);
  letter-spacing: 0.05em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.nutrition-row {
  font-size: var(--type-small);
  color: var(--warm-300);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  font-family: var(--font-mono);
}
.milk-name {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--cream);
  font-size: var(--type-body);
}
.milk-use {
  font-family: var(--font-body);
  color: var(--warm-400);
  font-size: var(--type-micro);
}

/* ============================================
   CHALLENGE — Full-bleed split
   ============================================ */
#challenge {
  padding: 0;
}

.challenge-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

.challenge-narrative {
  padding: clamp(4rem, 8vw, 8rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.challenge-title {
  font-family: var(--font-display);
  font-size: var(--type-display);
  font-weight: 900;
  color: var(--cream);
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.challenge-lead {
  font-size: var(--type-body-lg);
  font-weight: 300;
  color: var(--warm-300);
  max-width: 35ch;
  margin-bottom: 3rem;
  line-height: 1.6;
}

.day-list {
  display: flex;
  flex-direction: column;
}
.day-item {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.day-number {
  font-family: var(--font-mono);
  font-size: var(--type-micro);
  color: var(--pink);
  min-width: 1.5rem;
}
.day-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--cream);
}

/* Form side */
.challenge-form-side {
  background: var(--bg-elevated);
  padding: clamp(3rem, 6vw, 6rem);
  display: flex;
  align-items: center;
}
.form-inner { width: 100%; max-width: 400px; margin: 0 auto; }

.form-title {
  font-family: var(--font-display);
  font-size: var(--type-large);
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 0.5rem;
}
.form-sub {
  font-size: var(--type-small);
  color: var(--warm-400);
  margin-bottom: 2.5rem;
}

.form-group { margin-bottom: 1.75rem; }
.form-group label {
  display: block;
  font-size: var(--type-micro);
  color: var(--warm-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--warm-500);
  padding: 0.65rem 0;
  color: var(--cream);
  font-size: var(--type-body);
  font-family: var(--font-body);
  transition: border-color 0.3s;
  outline: none;
  border-radius: 0;
  -webkit-appearance: none;
}
.form-input:focus { border-bottom-color: var(--pink); }
.form-input::placeholder { color: var(--warm-500); }

select.form-input {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' fill='%236E6862' viewBox='0 0 16 16'%3E%3Cpath d='M8 12L2 6h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0 center;
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: var(--pink);
  cursor: pointer;
  flex-shrink: 0;
}
.form-check label {
  font-size: var(--type-micro);
  color: var(--warm-400);
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
}

.form-success {
  text-align: center;
  padding: 2rem 0;
}
.form-success h3 {
  font-family: var(--font-display);
  font-size: var(--type-display);
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 0.75rem;
}
.form-success p {
  font-size: var(--type-body);
  color: var(--warm-300);
}

/* ============================================
   FOOTER — Minimal, centered
   ============================================ */
#footer {
  padding: 5rem 0 2.5rem;
  text-align: center;
}

.footer-inner { max-width: 600px; margin: 0 auto; padding: 0 2rem; }

.footer-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 1.5rem;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.footer-nav a {
  font-size: var(--type-small);
  color: var(--warm-400);
}
.footer-nav a:hover { color: var(--cream); }
.footer-nav a:not(:last-child)::after {
  content: '\00B7';
  margin-left: 0.5rem;
  color: var(--warm-500);
}

.footer-date {
  font-family: var(--font-mono);
  font-size: var(--type-micro);
  color: var(--warm-500);
  margin-bottom: 1.5rem;
}
.footer-legal {
  font-size: var(--type-micro);
  color: var(--warm-500);
  line-height: 1.6;
  max-width: 500px;
  margin: 0 auto;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 968px) {
  .hero-grid { grid-template-columns: 1fr; }
  .benefit-row:nth-child(odd),
  .benefit-row:nth-child(even) { grid-template-columns: 1fr 1fr; }
  .challenge-split { grid-template-columns: 1fr; }
  .challenge-narrative { padding: clamp(3rem, 6vw, 5rem); }
  .animals-content { gap: 2rem 3rem; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.97);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-link { font-size: 1.2rem; color: var(--cream); }
  .hamburger { display: flex; }

  .hero-stats { flex-direction: column; gap: 1.5rem; }
  .stat-divider { width: 40px; height: 1px; }

  .benefit-row:nth-child(odd),
  .benefit-row:nth-child(even) {
    grid-template-columns: 1fr;
  }
  .benefit-row:nth-child(even) .benefit-text,
  .benefit-row:nth-child(even) .benefit-visual { order: unset; }

  .big-stat { font-size: clamp(3rem, 12vw, 5rem); }

  #nature { clip-path: none; margin-top: 0; padding-top: 5rem; }

  .animals-content { grid-template-columns: 1fr; }

  .nutrition-header, .nutrition-row {
    grid-template-columns: 70px 40px 55px 40px 55px 1fr;
    gap: 0.4rem;
    font-size: var(--type-micro);
  }

  .challenge-split { min-height: auto; }
  .challenge-form-side { padding: clamp(2rem, 5vw, 4rem); }
}

@media (max-width: 480px) {
  .hero-title { font-size: clamp(3rem, 12vw, 5rem); }
  .stat-figure { font-size: clamp(3rem, 14vw, 5rem); }
  .nutrition-header, .nutrition-row {
    grid-template-columns: 60px repeat(4, 1fr);
  }
  .milk-use { display: none; }
}