/* ============================================
   KOYA PROBIOTICS — V4 Refined
   ============================================ */

:root {
  /* Warm neutral base */
  --white: #FFFFFF;
  --cream: #FAF9F6;
  --cream-dark: #F2F0EB;
  --warm-100: #E8E5DE;
  --warm-200: #D4D0C8;
  --warm-300: #B5B0A5;

  /* Text */
  --text-primary: #1A1A1A;
  --text-body: #4A4A48;
  --text-secondary: #7A7A76;
  --text-tertiary: #A0A09A;

  /* Brand */
  --green: #2D6B4F;
  --green-dark: #1E4D38;
  --green-light: #E8F2ED;
  --green-lighter: #F2F8F5;

  /* Fonts */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 64px;
  --space-3xl: 100px;
  --space-4xl: 140px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-font-smoothing: antialiased;
}
body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--text-body);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-primary);
  font-weight: 600;
  line-height: 1.15;
}
h1 { font-size: clamp(2.5rem, 5.5vw, 4.25rem); letter-spacing: -0.025em; }
h2 { font-size: clamp(1.875rem, 3.5vw, 2.75rem); letter-spacing: -0.02em; }
h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}
h4 { font-size: 1rem; font-weight: 600; }
p { line-height: 1.7; }

/* --- Layout --- */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}
.section-tag::before {
  content: '';
  width: 24px;
  height: 1.5px;
  background: var(--green);
  border-radius: 1px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  border: none;
}
.btn-primary {
  background: var(--green);
  color: var(--white);
  padding: 14px 30px;
}
.btn-primary:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(45,107,79,0.2);
}
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  padding: 13px 29px;
  border: 1.5px solid var(--warm-200);
}
.btn-secondary:hover {
  border-color: var(--text-primary);
  background: var(--cream);
  transform: translateY(-1px);
}
.btn-sm { padding: 10px 22px; font-size: 0.8125rem; }

/* --- Focus styles --- */
.btn:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}
.waitlist__input:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 1px;
}
.nav__link:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 4px;
  border-radius: 2px;
}
.formula-preview__row:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: -2px;
}

/* --- Pulse dot --- */
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.8); }
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  z-index: 1000;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.nav--scrolled { border-bottom-color: var(--warm-100); }

.nav__brand {
  display: flex;
  align-items: center;
}
.nav__logo {
  height: 44px;
  width: auto;
  object-fit: contain;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}
.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.nav__link:hover { color: var(--text-primary); }
.nav__link.active { color: var(--text-primary); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__toggle span {
  width: 20px; height: 1.5px;
  background: var(--text-primary);
  transition: all 0.3s;
}
.nav__toggle.active span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.nav__toggle.active span:nth-child(2) { opacity: 0; }
.nav__toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

.nav__mobile {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--warm-100);
  padding: var(--space-lg);
  flex-direction: column;
  gap: var(--space-md);
  z-index: 999;
  box-shadow: 0 8px 30px rgba(0,0,0,0.06);
}
.nav__mobile.active { display: flex; }
.nav__mobile a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-body);
  padding: var(--space-sm) 0;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--cream);
  padding: var(--space-4xl) var(--space-lg) var(--space-3xl);
  position: relative;
  overflow: hidden;
}

.hero__inner {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__content { max-width: 540px; }

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px 14px;
  background: var(--green-light);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--green);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-lg);
}
.hero__tag-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2.5s ease-in-out infinite;
}

.hero h1 { margin-bottom: var(--space-lg); }

.hero__sub {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-xl);
  max-width: 480px;
}

.hero__ctas {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Hero entrance animation */
.hero-animate {
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeIn 0.7s ease forwards;
}
.hero-animate:nth-child(1) { animation-delay: 0.05s; }
.hero-animate:nth-child(2) { animation-delay: 0.15s; }
.hero-animate:nth-child(3) { animation-delay: 0.3s; }
.hero-animate:nth-child(4) { animation-delay: 0.45s; }

.hero__visual.animate {
  transition-delay: 0.35s;
}

@keyframes heroFadeIn {
  to { opacity: 1; transform: translateY(0); }
}

.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Formula preview card */
.formula-preview {
  width: 100%;
  max-width: 400px;
  background: var(--white);
  border: 1px solid var(--warm-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.03);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.formula-preview:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}
.formula-preview__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--warm-100);
}
.formula-preview__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
}
.formula-preview__count {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--green);
  background: var(--green-light);
  padding: 3px 10px;
  border-radius: 100px;
}
.formula-preview__list { padding: var(--space-xs) 0; }
.formula-preview__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--cream-dark);
  transition: background 0.2s;
}
.formula-preview__row:last-child { border-bottom: none; }
.formula-preview__row { cursor: pointer; flex-wrap: wrap; }
.formula-preview__row:hover { background: var(--cream); }
.formula-preview__row.open { background: var(--cream); }
.formula-preview__row .formula-preview__id svg {
  transition: transform 0.2s ease;
  vertical-align: middle;
  margin-left: 2px;
}
.formula-preview__row.open .formula-preview__id svg {
  transform: rotate(180deg);
}

.formula-preview__detail {
  display: none;
  width: 100%;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--warm-100);
  margin-top: var(--space-sm);
}
.formula-preview__row.open .formula-preview__detail {
  display: block;
}
.formula-preview__summary {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}
.formula-preview__links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.formula-preview__link {
  font-family: var(--font-mono);
  font-size: 0.6275rem;
  font-weight: 500;
  color: var(--green);
  transition: opacity 0.2s;
  display: block;
}
.formula-preview__link:hover {
  opacity: 0.7;
}
.formula-preview__strain {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}
.formula-preview__name {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
}
.formula-preview__role {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
}
.formula-preview__cfu {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
}
.formula-preview__id {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--text-tertiary);
  background: var(--cream);
  padding: 4px 10px;
  border-radius: 4px;
  white-space: nowrap;
}
.formula-preview__footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--warm-100);
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  text-align: center;
  font-style: italic;
}

/* ============================================
   ABOUT
   ============================================ */
.about {
  padding: var(--space-4xl) 0;
  background: var(--white);
}

.about__intro {
  max-width: 640px;
  margin-bottom: var(--space-xl);
}

.about__intro h2 {
  margin-bottom: var(--space-lg);
}

.about__lead {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text-body);
}

.about__founder-block {
  max-width: 640px;
  border-left: 3px solid var(--green);
  padding-left: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.about__founder-block p {
  font-size: 1rem;
  font-style: italic;
  color: var(--text-body);
  line-height: 1.75;
}

.about__founder-name {
  display: block;
  margin-top: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  font-style: normal;
  color: var(--text-tertiary);
}

.about__process {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.about__process-card {
  background: var(--cream);
  border: 1px solid var(--warm-100);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about__process-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.04);
}

.about__process-num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--green);
  margin-bottom: var(--space-md);
}

.about__process-card h4 {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

.about__process-card p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ============================================
   FORMULA
   ============================================ */
.formula {
  padding: var(--space-4xl) 0;
  background: var(--cream);
}
.formula__header {
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
  text-align: center;
}
.formula__header h2 { margin-bottom: var(--space-md); }
.formula__header p { font-size: 1rem; line-height: 1.75; }

.formula__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}
.formula__grid .strain-card:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  max-width: 50%;
  justify-self: center;
}

.strain-card {
  background: var(--white);
  border: 1px solid var(--warm-100);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.strain-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.05);
}
.strain-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.strain-card__number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--warm-100);
  line-height: 1;
}
.strain-card__tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  padding: 5px 12px;
  background: var(--green-light);
  color: var(--green);
  border-radius: 100px;
}
.strain-card__species {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-style: italic;
}
.strain-card__desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-body);
  flex-grow: 1;
}
.strain-card__stat {
  background: var(--cream);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
}
.strain-card__stat-value {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--green);
}
.strain-card__stat-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}
.strain-card__cite {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

/* Formula callout */
.formula__callout {
  margin-top: var(--space-3xl);
  padding: var(--space-xl) var(--space-2xl);
  border-top: 1px solid var(--warm-100);
  max-width: 720px;
}
.formula__callout p {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  font-weight: 500;
  color: var(--text-body);
  line-height: 1.65;
  font-style: italic;
}

.formula__note {
  font-family: var(--font-body) !important;
  font-size: 0.8125rem !important;
  font-weight: 400 !important;
  font-style: normal !important;
  color: var(--text-secondary) !important;
  line-height: 1.65 !important;
  margin-top: var(--space-md);
}

/* ============================================
   SCIENCE
   ============================================ */
.science {
  padding: var(--space-4xl) 0;
  background: var(--green-dark);
  color: var(--white);
}
.science .section-tag { color: rgba(255,255,255,0.5); }
.science .section-tag::before { background: rgba(255,255,255,0.3); }

.science__content {
  max-width: 600px;
  margin-bottom: var(--space-3xl);
}
.science__content h2 { color: var(--white); margin-bottom: var(--space-md); }
.science__lead {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.75;
}

.science__metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.science-metric__value {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: var(--space-sm);
}
.science-metric__label {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.4;
}

.science__journals-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.3);
  margin-bottom: var(--space-md);
}
.science__journals-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.science__journals-list span {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.5);
  font-style: italic;
  padding: 8px 18px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

/* ============================================
   PARTNERS
   ============================================ */
.partners {
  padding: var(--space-4xl) 0;
  background: var(--white);
}
.partners__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}
.partners__text h2 { margin-bottom: var(--space-md); }
.partners__text p { line-height: 1.75; }

.partners__details {
  padding-top: var(--space-sm);
}
.partners__list {
  margin-bottom: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.partners__list li {
  font-size: 0.9375rem;
  color: var(--text-body);
  padding-left: var(--space-lg);
  position: relative;
  line-height: 1.5;
}
.partners__list li::before {
  content: '';
  position: absolute;
  left: 0; top: 7px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green-light);
  border: 2px solid var(--green);
}
.partners__email-note {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: var(--space-md);
}

/* ============================================
   WAITLIST
   ============================================ */
.waitlist {
  padding: var(--space-4xl) 0;
  background: var(--green-light);
}
.waitlist__inner {
  text-align: center;
  max-width: 480px;
  margin: 0 auto;
}
.waitlist__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px 14px;
  background: var(--white);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--green);
  margin-bottom: var(--space-lg);
}
.waitlist__tag-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2.5s ease-in-out infinite;
}
.waitlist h2 { margin-bottom: var(--space-md); }
.waitlist p { margin-bottom: var(--space-xl); line-height: 1.75; }

.waitlist__form {
  display: flex;
  gap: var(--space-sm);
  margin: 0 auto;
}
.waitlist__input {
  flex: 1;
  padding: 14px 18px;
  border: 1.5px solid var(--warm-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-primary);
  background: var(--white);
  transition: border-color 0.2s;
  outline: none;
}
.waitlist__input::placeholder { color: var(--text-tertiary); }
.waitlist__input:focus { border-color: var(--green); }
.waitlist__privacy {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: var(--space-md) !important;
  margin-bottom: 0 !important;
}
.waitlist__status {
  margin-top: var(--space-md);
  margin-bottom: 0 !important;
  font-size: 0.875rem;
  font-weight: 600;
}
.waitlist__status--success {
  color: var(--green-dark);
}
.waitlist__status--error {
  color: #9c2f2f;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--text-primary);
  color: rgba(255,255,255,0.5);
  padding: var(--space-3xl) 0 var(--space-xl);
}
.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: var(--space-xl);
}
.footer__brand {
  margin-bottom: var(--space-md);
}
.footer__logo {
  height: 36px;
  width: auto;
  opacity: 0.7;
}
.footer__tagline { font-size: 0.875rem; line-height: 1.6; }
.footer__col { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer__col h4 {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.3);
  margin-bottom: var(--space-sm);
}
.footer__col a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  transition: color 0.2s;
}
.footer__col a:hover { color: var(--white); }

.footer__disclaimer {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: var(--space-lg);
}
.footer__disclaimer p {
  font-size: 0.6875rem;
  color: rgba(255,255,255,0.3);
  font-weight: 600;
  line-height: 1.6;
}
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
}
.footer__bottom-links { display: flex; gap: var(--space-lg); }
.footer__bottom-links a { color: rgba(255,255,255,0.3); transition: color 0.2s; }
.footer__bottom-links a:hover { color: rgba(255,255,255,0.6); }

/* ============================================
   POLICY PAGES
   ============================================ */
.page-policy {
  background: var(--cream);
}
.policy {
  padding: 120px 0 var(--space-3xl);
}
.policy__inner {
  max-width: 760px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--warm-100);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: 0 12px 40px rgba(0,0,0,0.04);
}
.policy__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--green);
  margin-bottom: var(--space-lg);
}
.policy h1 {
  margin-bottom: var(--space-md);
}
.policy__meta {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin-bottom: var(--space-xl);
}
.policy__body {
  display: grid;
  gap: var(--space-xl);
}
.policy__body h2 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}
.policy__body p,
.policy__body li {
  font-size: 0.9375rem;
  color: var(--text-body);
}
.policy__body ul {
  list-style: disc;
  padding-left: 1.25rem;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.animate {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .animate { transition: none; opacity: 1; transform: none; }
  .strain-card, .btn { transition: none; }
  .hero__tag-dot, .waitlist__tag-dot { animation: none; }
  html { scroll-behavior: auto; }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    text-align: center;
  }
  .hero__sub { margin-left: auto; margin-right: auto; }
  .hero__ctas { justify-content: center; }
  .hero__visual { justify-content: center; }
}

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__toggle { display: flex; }

  .about__process { grid-template-columns: 1fr; }

  .formula__grid { grid-template-columns: 1fr; }
  .formula__grid .strain-card:last-child:nth-child(odd) { max-width: 100%; grid-column: auto; }

  .science__metrics { grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }

  .partners__grid { grid-template-columns: 1fr; gap: var(--space-xl); }

  .waitlist__form { flex-direction: column; }

  .footer__top { grid-template-columns: 1fr; }
  .footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
  .policy__inner {
    padding: var(--space-xl);
  }
}

@media (max-width: 480px) {
  .hero { min-height: auto; padding: 120px var(--space-md) var(--space-2xl); }
  .strain-card { padding: var(--space-lg); }
  .formula-preview__row { padding: var(--space-sm) var(--space-md); }
  .formula-preview__header { padding: var(--space-sm) var(--space-md); }
  .formula-preview__cfu { display: none; }
  .formula__callout { padding: var(--space-lg) 0; }
}