/* ADH Gum – Brand Site */
:root {
  --bg: #0a0a0b;
  --bg-elevated: #141416;
  --bg-card: #1a1a1d;
  --text: #f4f4f5;
  --text-muted: #a1a1aa;
  --accent: #22d3ee;          /* electric cyan */
  --accent-soft: rgba(34, 211, 238, 0.15);
  --border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', var(--font-sans);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 11, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--accent);
}

.nav {
  display: flex;
  gap: 1.75rem;
}

.nav a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--text);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #0a0a0b;
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

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

.btn-ghost:hover {
  border-color: var(--text-muted);
}

/* Hero */
.hero {
  padding: 140px 0 100px;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero h1 .accent {
  color: var(--accent);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 440px;
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Bottle mock */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.bottle-mock {
  position: relative;
  width: 220px;
  height: 340px;
}

.bottle-body {
  position: absolute;
  inset: 20px 30px 40px;
  background: linear-gradient(160deg, #1f1f22 0%, #0d0d0f 100%);
  border-radius: 24px 24px 18px 18px;
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: 
    0 25px 50px -12px rgba(0,0,0,0.7),
    inset 0 1px 0 rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
}

.bottle-label {
  text-align: center;
  padding: 1rem;
}

.label-brand {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}

.label-line {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.label-flavour {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.sleeve {
  position: absolute;
  bottom: 0;
  left: 10px;
  right: 10px;
  height: 110px;
  background: linear-gradient(180deg, #2a2a2e 0%, #1a1a1d 100%);
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.sleeve span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  opacity: 0.9;
}

/* Sections */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 3.5rem;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: rgba(34, 211, 238, 0.25);
}

.feature-icon {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Audience */
.benefits {
  background: var(--bg-elevated);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.audience-card {
  padding: 1.75rem;
  border-left: 3px solid var(--accent);
  background: var(--bg-card);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.audience-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.audience-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Formula */
.formula-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.formula-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.formula-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.85rem;
}

.formula-item h3 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.formula-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.disclaimer {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
  opacity: 0.8;
}

/* CTA */
.cta {
  background: linear-gradient(180deg, var(--bg) 0%, #0f172a 100%);
  text-align: center;
}

.cta-inner h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.cta-inner > p {
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.waitlist-form {
  display: flex;
  gap: 0.75rem;
  max-width: 420px;
  margin: 0 auto 0.75rem;
}

.waitlist-form input {
  flex: 1;
  padding: 0.9rem 1.25rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
}

.waitlist-form input:focus {
  border-color: var(--accent);
}

.waitlist-form input::placeholder {
  color: var(--text-muted);
}

.form-note {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
}

.footer-brand .logo {
  display: inline-block;
  margin-bottom: 0.35rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-meta {
  text-align: right;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-meta p + p {
  margin-top: 0.25rem;
}

/* Responsive */
@media (max-width: 800px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .hero-sub {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta {
    justify-content: center;
  }

  .feature-grid,
  .audience-grid,
  .formula-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    display: none;
  }

  .waitlist-form {
    flex-direction: column;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-meta {
    text-align: center;
  }
}

/* Product images */
.hero-img { display:block; width:100%; max-width:640px; height:auto; margin:0 auto; border-radius:var(--radius); }
.gallery { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:32px; }
.gallery img { width:100%; height:auto; aspect-ratio:16/9; object-fit:cover; border-radius:var(--radius); border:1px solid var(--border); background:var(--bg-card); }
@media (max-width:768px){ .gallery{ grid-template-columns:1fr 1fr; } }
@media (max-width:480px){ .gallery{ grid-template-columns:1fr; } }
/* Waitlist status */
.form-status { min-height:1.4em; margin-top:12px; font-size:.95rem; }
.form-status.ok { color:var(--accent); }
.form-status.err { color:#f87171; }
.waitlist-form button[disabled] { opacity:.7; cursor:wait; }
.footer-meta a { color:inherit; }
.gallery picture{display:block}
.render-note{margin-top:12px;font-size:.75rem;color:var(--text-muted);text-align:center;}

.range-grid{grid-template-columns:repeat(2,1fr)}
.range-grid .formula-tag{display:inline-block;margin-bottom:.6rem}
@media (max-width:768px){.range-grid{grid-template-columns:1fr}}
.waitlist-form{flex-wrap:wrap}
.waitlist-form select{flex-basis:100%;padding:.9rem 1.25rem;border-radius:999px;border:1px solid var(--border);background:var(--bg-card);color:var(--text);font-size:.95rem;outline:none}
.waitlist-form select:focus{border-color:var(--accent)}