:root {
  --bg-0: #0a0f0c;
  --bg-1: #0d1410;
  --green-500: #6fbf73;
  --green-400: #8fd98f;
  --gold-400: #d8b667;
  --amber-400: #e2a05a;
  --ink-100: #f4f2ea;
  --ink-300: #cfd3cb;
  --ink-500: #8b938a;
  --line: rgba(244, 242, 234, 0.12);
  --card-bg: linear-gradient(160deg, rgba(244, 242, 234, 0.05), rgba(244, 242, 234, 0.015));
  --radius-lg: 22px;
  --radius-md: 16px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background: radial-gradient(120% 100% at 50% 0%, var(--bg-1) 0%, var(--bg-0) 55%, #060907 100%);
  color: var(--ink-100);
  font-family: "Manrope", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  overflow-x: hidden;
  position: relative;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--green-500), var(--gold-400));
  z-index: 50;
  transition: width 0.1s linear;
}

/* Nav */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px clamp(20px, 5vw, 56px);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease), backdrop-filter 0.35s var(--ease);
}

.nav.is-scrolled {
  background: rgba(10, 15, 12, 0.72);
  border-color: var(--line);
  backdrop-filter: blur(14px);
}

.nav__brand {
  display: flex;
}

.nav__logo {
  height: 34px;
  width: auto;
}

.nav__links {
  display: flex;
  gap: clamp(16px, 3vw, 30px);
}

.nav__links a {
  color: var(--ink-300);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  position: relative;
  padding: 4px 2px;
  transition: color 0.2s var(--ease);
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -2px;
  height: 2px;
  background: var(--green-400);
  transition: right 0.25s var(--ease);
}

.nav__links a:hover,
.nav__links a.is-active {
  color: var(--ink-100);
}

.nav__links a:hover::after,
.nav__links a.is-active::after {
  right: 0;
}

@media (max-width: 640px) {
  .nav__links {
    gap: 12px;
  }
  .nav__links a {
    font-size: 0.76rem;
  }
}

/* Layout helpers */

.page {
  position: relative;
  z-index: 2;
}

section {
  padding: clamp(72px, 12vh, 140px) clamp(20px, 6vw, 64px);
  max-width: 1160px;
  margin: 0 auto;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto clamp(36px, 6vw, 56px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.section-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green-400);
}

.section-tag--warn {
  color: var(--amber-400);
}

.section-head h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
}

.section-lead {
  color: var(--ink-300);
  font-size: 0.98rem;
  line-height: 1.6;
}

/* Hero */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: clamp(16px, 3vw, 24px);
  padding-top: 120px;
}

.pill {
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid rgba(216, 182, 103, 0.4);
  color: var(--gold-400);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero__logo {
  height: clamp(56px, 8vw, 80px);
  width: auto;
  margin-top: 6px;
}

.hero__title {
  font-size: clamp(2.2rem, 6.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.08;
  max-width: 16ch;
}

.hero__title .accent {
  background: linear-gradient(100deg, var(--green-400) 0%, var(--gold-400) 55%, var(--green-500) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shine 7s linear infinite;
}

@keyframes shine {
  to { background-position: 200% center; }
}

.hero__subtitle {
  max-width: 46ch;
  font-size: clamp(0.98rem, 1.6vw, 1.15rem);
  line-height: 1.6;
  color: var(--ink-300);
}

.scroll-cue {
  margin-top: clamp(20px, 4vw, 36px);
  width: 26px;
  height: 42px;
  border-radius: 16px;
  border: 2px solid var(--line);
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.scroll-cue span {
  width: 4px;
  height: 8px;
  border-radius: 4px;
  background: var(--green-400);
  animation: cue 1.8s ease-in-out infinite;
}

@keyframes cue {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(14px); opacity: 0; }
  100% { opacity: 0; }
}

/* About */

.about__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.about__card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  text-align: left;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.about__card:hover {
  transform: translateY(-4px);
  border-color: rgba(111, 191, 115, 0.4);
}

.about__icon {
  width: 46px;
  height: 46px;
  color: var(--green-400);
  margin-bottom: 16px;
}

.about__card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.about__card p {
  color: var(--ink-300);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* Flavors */

.flavors__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
}

.flavor-card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 20px 24px;
  text-align: center;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.flavor-card:hover {
  transform: translateY(-6px);
  border-color: var(--line);
}

.flavor-card__swatch {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  margin: 0 auto 16px;
  box-shadow: 0 10px 30px -8px rgba(0, 0, 0, 0.5);
}

.flavor-card__swatch--peach { background: linear-gradient(135deg, #ffcf9c, #ff8a65); }
.flavor-card__swatch--blueraz { background: linear-gradient(135deg, #6ee0ff, #7c4dff); }
.flavor-card__swatch--strawberry { background: linear-gradient(135deg, #ff8fa3, #e63950); }
.flavor-card__swatch--grape { background: linear-gradient(135deg, #b083e0, #6a3093); }
.flavor-card__swatch--lemon { background: linear-gradient(135deg, #fff59d, #fdd835); }

.flavor-card h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.flavor-card p {
  color: var(--ink-500);
  font-size: 0.85rem;
}

/* Compliance */

.compliance__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 24px;
  align-items: start;
}

.compliance__col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.compliance__warning {
  background: linear-gradient(160deg, rgba(226, 160, 90, 0.1), rgba(226, 160, 90, 0.02));
  border: 1px solid rgba(226, 160, 90, 0.35);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 34px);
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.compliance__warning--info {
  background: var(--card-bg);
  border-color: var(--line);
}

.compliance__warning--info .compliance__icon {
  color: var(--green-400);
}

.compliance__icon {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  color: var(--amber-400);
}

.compliance__warning h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.compliance__warning p {
  color: var(--ink-300);
  font-size: 0.9rem;
  line-height: 1.65;
}

.compliance__badges {
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
}

.badge-card {
  flex: 1;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.badge-card__label {
  flex: 0 0 auto;
  min-width: 46px;
  text-align: center;
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--green-400);
  border: 1px solid rgba(111, 191, 115, 0.4);
  border-radius: 10px;
  padding: 6px 8px;
}

.badge-card p {
  color: var(--ink-300);
  font-size: 0.85rem;
  line-height: 1.5;
}

.fda-box {
  margin-top: 26px;
  border: 1px solid rgba(226, 160, 90, 0.4);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  text-align: center;
}

.fda-box p {
  font-size: 0.85rem;
  color: var(--ink-300);
  line-height: 1.6;
}

.fda-box__meta {
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--ink-500);
}

@media (max-width: 780px) {
  .compliance__grid {
    grid-template-columns: 1fr;
  }
  .compliance__warning {
    flex-direction: column;
  }
}

/* Lab results */

.lab__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
}

.lab-card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 18px;
  text-align: center;
  text-decoration: none;
  color: var(--ink-100);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.lab-card:hover {
  transform: translateY(-6px);
  border-color: var(--green-500);
  background: linear-gradient(160deg, rgba(111, 191, 115, 0.1), rgba(111, 191, 115, 0.02));
}

.lab-card__doc {
  width: 34px;
  height: 42px;
  color: var(--green-400);
}

.lab-card__name {
  font-weight: 700;
  font-size: 1rem;
}

.lab-card__cta {
  font-size: 0.78rem;
  color: var(--ink-500);
  letter-spacing: 0.02em;
}

.lab-card:hover .lab-card__cta {
  color: var(--green-400);
}

/* Footer */

.footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: clamp(48px, 8vh, 80px) clamp(20px, 6vw, 64px) clamp(32px, 5vh, 56px);
  text-align: center;
}

.footer__logo {
  height: 32px;
  width: auto;
  opacity: 0.85;
}

.footer__legal {
  max-width: 60ch;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--ink-500);
}

.footer__manufacturer {
  max-width: 60ch;
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--ink-500);
  opacity: 0.8;
}

.footer__socials {
  display: flex;
  gap: 14px;
}

.footer__icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--ink-300);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.footer__icon svg {
  width: 17px;
  height: 17px;
}

.footer__icon:hover {
  color: var(--green-400);
  border-color: var(--green-500);
  transform: translateY(-2px);
}

.footer__copy {
  font-size: 0.78rem;
  color: var(--ink-500);
  letter-spacing: 0.02em;
}

/* Reveal-on-scroll */

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero__title .accent {
    animation: none;
  }
  .scroll-cue span {
    animation: none;
  }
}