/* ========== RESET & BASE ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #05060a;
  --bg-elev: #0c0e14;
  --bg-card: rgba(255,255,255,0.03);
  --line: rgba(255,255,255,0.08);
  --line-strong: rgba(255,255,255,0.16);
  --text: #f3f5f9;
  --text-dim: #a1a8b8;
  --text-mute: #6b7384;

  --accent: #4dd0ff;
  --accent-2: #7c5cff;
  --accent-3: #00f0a4;
  --accent-warm: #ffb547;

  --grad-1: linear-gradient(135deg, #4dd0ff 0%, #7c5cff 50%, #ff5cae 100%);
  --grad-2: linear-gradient(135deg, #00f0a4 0%, #4dd0ff 100%);
  --grad-3: linear-gradient(135deg, #7c5cff 0%, #4dd0ff 100%);

  --shadow-glow: 0 0 80px rgba(77, 208, 255, 0.25);
  --radius: 20px;
  --radius-lg: 28px;

  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  max-width: 100vw;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-weight: 400;
  overflow-x: hidden;
  max-width: 100vw;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ========== BACKGROUND FX ========== */
.bg-grid {
  position: fixed; inset: 0; z-index: -3;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  pointer-events: none;
}

.bg-glow {
  position: fixed;
  width: 700px; height: 700px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  z-index: -2;
  pointer-events: none;
  animation: floatGlow 18s ease-in-out infinite;
}
.glow-1 { background: #4dd0ff; top: -200px; left: -200px; }
.glow-2 { background: #7c5cff; top: 40%; right: -300px; animation-delay: -6s; }
.glow-3 { background: #00f0a4; bottom: -200px; left: 30%; animation-delay: -12s; opacity: 0.18; }

@keyframes floatGlow {
  0%, 100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(80px, -60px) scale(1.1); }
  66% { transform: translate(-50px, 40px) scale(0.95); }
}

/* ========== NAVIGATION ========== */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  background: rgba(5,6,10,0.65);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--line);
  transition: padding .3s, background .3s;
}
.nav.scrolled { padding: 12px 0; background: rgba(5,6,10,0.85); }

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.05em;
}
.logo-mark {
  display: inline-grid;
  place-items: center;
  width: 32px; height: 32px;
  background: var(--grad-1);
  border-radius: 8px;
  font-size: 18px;
  color: #000;
  font-weight: 900;
}

.nav-links {
  display: flex; gap: 32px;
  flex: 1;
  justify-content: center;
}
.nav-links a {
  font-size: 14px;
  color: var(--text-dim);
  font-weight: 500;
  transition: color .2s;
  position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-links a::after {
  content: ''; position: absolute; bottom: -6px; left: 0; right: 0;
  height: 2px; background: var(--grad-1);
  transform: scaleX(0); transition: transform .25s;
}
.nav-links a:hover::after { transform: scaleX(1); }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  position: relative;
  z-index: 110;
}
.nav-burger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s, opacity .25s;
  transform-origin: center;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  transition: transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s, background .25s;
  cursor: pointer;
  white-space: nowrap;
}
.btn-large { padding: 18px 32px; font-size: 16px; }

.btn-primary {
  background: var(--grad-1);
  color: #05060a;
  font-weight: 700;
  box-shadow: 0 10px 30px rgba(77, 208, 255, 0.25), inset 0 1px 0 rgba(255,255,255,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 15px 40px rgba(77, 208, 255, 0.4); }

.btn-ghost {
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }

.btn .arrow {
  transition: transform .25s;
  font-size: 18px;
}
.btn:hover .arrow { transform: translateX(4px); }

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 140px 32px 80px;
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-content { z-index: 2; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}

.pulse-dot {
  width: 8px; height: 8px;
  background: var(--accent-3);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-3);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  text-transform: uppercase;
}
.hero-title .line { display: block; }
.hero-title em {
  font-style: normal;
  background: var(--grad-1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text {
  background: var(--grad-1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-sub {
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--text-dim);
  margin-bottom: 40px;
  max-width: 540px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(32px, 3vw, 44px);
  font-weight: 700;
  background: var(--grad-1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.stat-label {
  font-size: 13px;
  color: var(--text-mute);
  margin-top: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* HERO PRODUCT */
.hero-product {
  position: relative;
  height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.product-glow {
  position: absolute;
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(77,208,255,0.55) 0%, rgba(124,92,255,0.28) 35%, transparent 70%);
  filter: blur(70px);
  border-radius: 50%;
  animation: pulseGlow 4s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.1); opacity: 1; }
}

.product-orbit {
  position: absolute;
  width: 480px; height: 480px;
  border: 1px dashed rgba(255,255,255,0.15);
  border-radius: 50%;
  animation: spin 30s linear infinite;
}
.product-orbit::before, .product-orbit::after {
  content: ''; position: absolute;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 20px var(--accent);
}
.product-orbit::before { top: -6px; left: 50%; }
.product-orbit::after { bottom: -6px; right: 30%; background: var(--accent-3); box-shadow: 0 0 20px var(--accent-3); }
@keyframes spin { from { transform: rotate(0); } to { transform: rotate(360deg); } }

.product-image-wrap {
  position: relative;
  z-index: 3;
  animation: float 6s ease-in-out infinite;
}
.product-image-wrap::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 240px; height: 40px;
  background: radial-gradient(ellipse, rgba(0,0,0,0.55), transparent 70%);
  filter: blur(8px);
  z-index: -1;
  animation: shadowPulse 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-1.5deg); }
  50% { transform: translateY(-22px) rotate(1.5deg); }
}
@keyframes shadowPulse {
  0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.7; }
  50% { transform: translateX(-50%) scale(0.85); opacity: 0.45; }
}
.product-image {
  width: 320px;
  filter:
    drop-shadow(0 4px 8px rgba(0,0,0,0.5))
    drop-shadow(0 20px 40px rgba(0,0,0,0.6))
    drop-shadow(0 0 40px rgba(77,208,255,0.35))
    drop-shadow(0 0 80px rgba(124,92,255,0.2));
}

.floating-tag {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(12, 14, 20, 0.85);
  backdrop-filter: blur(20px);
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  z-index: 4;
  white-space: nowrap;
  animation: floatTag 5s ease-in-out infinite;
}
.tag-icon { font-size: 16px; }
.tag-1 { top: 10%; left: -5%; animation-delay: 0s; }
.tag-2 { top: 20%; right: 0%; animation-delay: -1.2s; }
.tag-3 { bottom: 25%; left: 0%; animation-delay: -2.5s; }
.tag-4 { bottom: 10%; right: -5%; animation-delay: -3.8s; }

@keyframes floatTag {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.scroll-hint {
  position: absolute;
  bottom: 40px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column;
  align-items: center; gap: 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.scroll-mouse {
  width: 24px; height: 38px;
  border: 2px solid var(--text-mute);
  border-radius: 12px;
  position: relative;
}
.scroll-mouse span {
  position: absolute;
  top: 6px; left: 50%;
  width: 3px; height: 8px;
  background: var(--text-dim);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scrollDot 2s ease-in-out infinite;
}
@keyframes scrollDot {
  0% { top: 6px; opacity: 1; }
  100% { top: 22px; opacity: 0; }
}

/* ========== TICKER ========== */
.ticker {
  overflow: hidden;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.015);
}
.ticker-track {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: tickerScroll 40s linear infinite;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-mute);
}
.ticker-track span:nth-child(odd):not(:nth-child(2n+2)) { color: var(--text); }
@keyframes tickerScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ========== SECTION BASE ========== */
.section {
  padding: 140px 0;
  position: relative;
}
.section-dark {
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.015), transparent);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
.container-narrow { max-width: 880px; }

.section-head {
  max-width: 800px;
  margin: 0 auto 80px;
  text-align: center;
}
.eyebrow {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(77, 208, 255, 0.1);
  border: 1px solid rgba(77, 208, 255, 0.3);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 24px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.section-lead {
  font-size: clamp(15px, 1.2vw, 18px);
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto;
}

/* ========== STORY ========== */
.story-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.glass {
  background: linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: transform .3s, border-color .3s;
}
.glass:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}
.glass-strong {
  background: linear-gradient(135deg, rgba(255,255,255,0.07), rgba(255,255,255,0.03));
  border: 1px solid var(--line-strong);
}

.story-card { position: relative; }
.story-num {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 0.1em;
}
.story-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.2;
}
.story-card p {
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.65;
}

.story-card.feature {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(77,208,255,0.08), rgba(124,92,255,0.05));
  border-color: rgba(77,208,255,0.2);
  text-align: center;
  padding: 60px;
}
.big-quote {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 32px) !important;
  font-weight: 500 !important;
  line-height: 1.3 !important;
  color: var(--text) !important;
  max-width: 800px;
  margin: 0 auto 24px;
  font-style: italic;
}
.quote-author {
  font-size: 14px;
  color: var(--text-mute);
  letter-spacing: 0.05em;
}

/* ========== INGREDIENTS ========== */
.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}

.ingredient-card {
  position: relative;
  background: linear-gradient(135deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all .3s cubic-bezier(.2,.8,.2,1);
  overflow: hidden;
}
.ingredient-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-1);
  opacity: 0;
  transition: opacity .3s;
  z-index: -1;
}
.ingredient-card:hover {
  transform: translateY(-6px);
  border-color: rgba(77, 208, 255, 0.4);
  box-shadow: 0 20px 60px rgba(77, 208, 255, 0.15);
}

.ing-tag {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 16px;
}
.tag-hero { background: var(--grad-1); color: #000; border-color: transparent; }

.ing-icon { font-size: 32px; margin-bottom: 16px; }
.ingredient-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}
.ing-meta {
  font-size: 12px;
  color: var(--text-mute);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.ingredient-card p {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 20px;
}
.ing-dose {
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

.feature-card {
  background: linear-gradient(135deg, rgba(77,208,255,0.1), rgba(124,92,255,0.06));
  border-color: rgba(77,208,255,0.3);
}

.ing-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  background: rgba(255,255,255,0.025);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text-dim);
  text-align: center;
}
.note-icon { color: var(--accent-warm); font-size: 18px; }

/* ========== AUDIENCE ========== */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.audience-card {
  position: relative;
  background: linear-gradient(135deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: transform .3s, border-color .3s;
}
.audience-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}
.audience-card.feature {
  background: linear-gradient(135deg, rgba(77,208,255,0.1), rgba(0,240,164,0.05));
  border-color: rgba(77,208,255,0.3);
}
.audience-badge {
  position: absolute;
  top: 24px; right: 24px;
  padding: 5px 12px;
  background: var(--grad-2);
  color: #000;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 100px;
  text-transform: uppercase;
}
.audience-visual { font-size: 48px; margin-bottom: 20px; }
.audience-card h3 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 12px;
}
.audience-card > p {
  color: var(--text-dim);
  margin-bottom: 24px;
  line-height: 1.6;
}
.audience-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.audience-card li {
  font-size: 14px;
  color: var(--text);
  padding-left: 24px;
  position: relative;
}
.audience-card li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ========== DOSE / SMART DOSING ========== */
.section-dose {
  background: linear-gradient(180deg, transparent, rgba(0,240,164,0.04), transparent);
}

.dose-scale {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
  position: relative;
}

.dose-scale::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg,
    rgba(77,208,255,0.3) 0%,
    rgba(124,92,255,0.5) 50%,
    rgba(255,92,174,0.7) 100%);
  z-index: 0;
  border-radius: 2px;
  filter: blur(0.5px);
}

.dose-mode {
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, rgba(12,14,20,0.95), rgba(12,14,20,0.7));
  backdrop-filter: blur(20px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 44px 32px 36px;
  text-align: center;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), border-color .35s, box-shadow .35s;
  overflow: hidden;
}

.dose-mode::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top, rgba(255,255,255,0.04), transparent 60%);
  pointer-events: none;
}

.dose-mode:hover {
  transform: translateY(-8px);
  border-color: rgba(77,208,255,0.4);
}

.mode-low { box-shadow: 0 20px 60px rgba(77,208,255,0.08); }
.mode-low:hover { box-shadow: 0 25px 80px rgba(77,208,255,0.2); border-color: rgba(77,208,255,0.5); }

.mode-mid { box-shadow: 0 20px 60px rgba(124,92,255,0.08); }
.mode-mid:hover { box-shadow: 0 25px 80px rgba(124,92,255,0.25); border-color: rgba(124,92,255,0.5); }

.mode-max {
  background: linear-gradient(180deg, rgba(124,92,255,0.15), rgba(255,92,174,0.08));
  border-color: rgba(255,92,174,0.4);
  box-shadow: 0 20px 60px rgba(255,92,174,0.12);
}
.mode-max:hover {
  border-color: rgba(255,92,174,0.6);
  box-shadow: 0 25px 90px rgba(255,92,174,0.3);
}

.dose-badge {
  position: absolute;
  top: 20px; right: 20px;
  padding: 5px 12px;
  background: var(--grad-1);
  color: #000;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.15em;
  border-radius: 100px;
  z-index: 2;
}

.dose-num {
  font-family: var(--font-display);
  font-size: clamp(56px, 7vw, 88px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  background: var(--grad-1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
}
.mode-mid .dose-num { background: var(--grad-3); -webkit-background-clip: text; background-clip: text; }
.mode-max .dose-num {
  background: linear-gradient(135deg, #ff5cae 0%, #ffb547 100%);
  -webkit-background-clip: text; background-clip: text;
}

.dose-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 24px;
}

.dose-mode h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.dose-mode p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
  max-width: 280px;
  margin: 0 auto;
}

/* DOSE MATH */
.dose-math {
  margin-top: 24px;
}

.math-card {
  position: relative;
  background: linear-gradient(135deg, rgba(0,240,164,0.08), rgba(77,208,255,0.05));
  border: 1px solid rgba(0,240,164,0.25);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  overflow: hidden;
}

.math-card::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,240,164,0.15), transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.math-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-3);
  margin-bottom: 16px;
  position: relative;
}

.math-card h3 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  position: relative;
}

.math-card > p {
  font-size: 17px;
  color: var(--text-dim);
  line-height: 1.65;
  max-width: 700px;
  margin-bottom: 36px;
  position: relative;
}

.math-card strong {
  color: var(--text);
  font-weight: 600;
}

.math-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
  position: relative;
}

.math-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 22px 24px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: all .25s;
}
.math-row:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(0,240,164,0.4);
  transform: translateY(-2px);
}

.math-input {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

.math-arrow {
  color: var(--accent-3);
  font-size: 18px;
  font-weight: 700;
  opacity: 0.7;
}

.math-output {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.math-note {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 22px;
  background: rgba(0,0,0,0.25);
  border: 1px dashed rgba(0,240,164,0.3);
  border-radius: 14px;
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.55;
  position: relative;
}
.math-note .note-icon {
  flex-shrink: 0;
  font-size: 16px;
}

@media (max-width: 900px) {
  .dose-scale {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .dose-scale::before { display: none; }
  .math-card { padding: 36px 24px; }
  .math-grid { grid-template-columns: 1fr; }
  .math-row { justify-content: space-between; }
}

/* ========== KONZEPT / ORBIT ========== */
.section-concept {
  background: linear-gradient(180deg, transparent, rgba(124,92,255,0.04), transparent);
}
.concept-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.concept-text .section-title { text-align: left; margin-bottom: 24px; }
.concept-text > p {
  font-size: 17px;
  color: var(--text-dim);
  margin-bottom: 16px;
  line-height: 1.65;
}
.concept-text strong { color: var(--text); font-weight: 600; }

.concept-list {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.concept-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 24px;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: all .3s;
}
.concept-item.active {
  background: linear-gradient(135deg, rgba(77,208,255,0.15), rgba(124,92,255,0.08));
  border-color: rgba(77,208,255,0.4);
  box-shadow: 0 8px 30px rgba(77,208,255,0.15);
}
.concept-num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-mute);
  letter-spacing: 0.1em;
  min-width: 30px;
}
.concept-item.active .concept-num { color: var(--accent); }
.concept-item div { display: flex; flex-direction: column; }
.concept-item strong {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 2px;
}
.concept-item span { font-size: 13px; color: var(--text-mute); }

.concept-visual {
  position: relative;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.orbit-system { position: relative; width: 460px; height: 460px; }
.orbit-ring {
  position: absolute;
  top: 50%; left: 50%;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.ring-1 { width: 200px; height: 200px; }
.ring-2 { width: 320px; height: 320px; border-style: dashed; }
.ring-3 { width: 460px; height: 460px; border-color: var(--line); }

.orbit-core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 110px; height: 110px;
  background: var(--grad-1);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: #000;
  letter-spacing: 0.1em;
  box-shadow: 0 0 60px rgba(77,208,255,0.6);
  animation: corePulse 3s ease-in-out infinite;
}
@keyframes corePulse {
  0%, 100% { box-shadow: 0 0 60px rgba(77,208,255,0.5); }
  50% { box-shadow: 0 0 100px rgba(77,208,255,0.8); }
}

.orbit-dot {
  position: absolute;
  width: 16px; height: 16px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 20px var(--accent);
}
.orbit-dot::after {
  content: attr(data-label);
  position: absolute;
  left: 50%; top: 24px;
  transform: translateX(-50%);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}
.dot-1 { top: -8px; left: 50%; transform: translateX(-50%); animation: orbit1 16s linear infinite; }
.dot-2 { top: 50%; right: -8px; transform: translateY(-50%); background: var(--accent-3); box-shadow: 0 0 20px var(--accent-3); animation: orbit2 22s linear infinite; }
.dot-3 { bottom: -8px; left: 50%; transform: translateX(-50%); background: var(--accent-2); box-shadow: 0 0 20px var(--accent-2); animation: orbit3 28s linear infinite; }
.dot-4 { top: 50%; left: -8px; transform: translateY(-50%); background: var(--accent-warm); box-shadow: 0 0 20px var(--accent-warm); animation: orbit4 24s linear infinite; }

@keyframes orbit1 { from { transform: rotate(0) translateX(160px) rotate(0); } to { transform: rotate(360deg) translateX(160px) rotate(-360deg); } }
@keyframes orbit2 { from { transform: rotate(0) translateX(230px) rotate(0); } to { transform: rotate(-360deg) translateX(230px) rotate(360deg); } }
@keyframes orbit3 { from { transform: rotate(0) translateX(100px) rotate(0); } to { transform: rotate(360deg) translateX(100px) rotate(-360deg); } }
@keyframes orbit4 { from { transform: rotate(0) translateX(160px) rotate(0); } to { transform: rotate(-360deg) translateX(160px) rotate(360deg); } }

/* ========== SYMPTOMS ========== */
.symptoms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.symptom {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 28px;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--line);
  border-radius: 16px;
  transition: all .3s;
}
.symptom:hover {
  border-color: rgba(77,208,255,0.4);
  background: rgba(77,208,255,0.05);
  transform: translateY(-3px);
}
.symptom-icon { font-size: 28px; margin-bottom: 8px; }
.symptom strong {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
}
.symptom span {
  font-size: 13px;
  color: var(--text-mute);
  line-height: 1.5;
}

/* ========== BUY ========== */
.section-buy { padding-top: 80px; }
.buy-card {
  border-radius: var(--radius-lg);
  padding: 60px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 60px;
  align-items: center;
  background: linear-gradient(135deg, rgba(77,208,255,0.1), rgba(124,92,255,0.06));
  border: 1px solid rgba(77,208,255,0.25);
}
.buy-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}
.buy-title em {
  font-style: normal;
  background: var(--grad-1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.buy-features {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
  margin-bottom: 40px;
}
.buy-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--text-dim);
}
.buy-features span {
  display: grid;
  place-items: center;
  width: 22px; height: 22px;
  background: var(--grad-2);
  color: #000;
  font-weight: 800;
  font-size: 12px;
  border-radius: 50%;
}
.buy-price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.price-num {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 700;
  line-height: 1;
}
.price-num span { font-size: 32px; vertical-align: top; color: var(--text-dim); }
.price-meta {
  font-size: 13px;
  color: var(--text-mute);
  margin-top: 6px;
}
.buy-note {
  font-size: 12px;
  color: var(--text-mute);
  line-height: 1.6;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.buy-right {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}
.buy-product-glow {
  position: absolute;
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(77,208,255,0.4), transparent 70%);
  filter: blur(60px);
}
.buy-product-img {
  position: relative;
  z-index: 2;
  width: 280px;
  filter:
    drop-shadow(0 4px 8px rgba(0,0,0,0.5))
    drop-shadow(0 25px 50px rgba(0,0,0,0.7))
    drop-shadow(0 0 40px rgba(77,208,255,0.35));
  animation: float 6s ease-in-out infinite;
}

/* ========== FAQ ========== */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 4px 0;
  transition: border-color .3s, background .3s;
}
.faq-item[open] {
  background: rgba(77,208,255,0.05);
  border-color: rgba(77,208,255,0.3);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 24px 28px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 28px;
  font-weight: 300;
  color: var(--accent);
  transition: transform .3s;
  line-height: 1;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
  padding: 0 28px 24px;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ========== FINAL ========== */
.section-final { padding: 100px 0 140px; }
.final-card {
  text-align: center;
  padding: 80px 40px;
  background: linear-gradient(135deg, rgba(77,208,255,0.12), rgba(124,92,255,0.08));
  border: 1px solid rgba(77,208,255,0.3);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}
.final-card::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at center, rgba(77,208,255,0.15), transparent 50%);
  animation: spin 30s linear infinite;
  pointer-events: none;
}
.final-title {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.final-card p {
  position: relative;
  font-size: 18px;
  color: var(--text-dim);
  margin-bottom: 40px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}
.final-card .btn { position: relative; }

/* ========== FOOTER ========== */
.footer {
  border-top: 1px solid var(--line);
  padding: 80px 0 40px;
  background: rgba(0,0,0,0.4);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}
.footer-brand { max-width: 320px; }
.footer-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-mute);
  line-height: 1.6;
}
.footer h4 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 20px;
}
.footer a {
  display: block;
  font-size: 14px;
  color: var(--text-mute);
  margin-bottom: 10px;
  transition: color .2s;
}
.footer a:hover { color: var(--accent); }
.footer-contact {
  font-size: 14px;
  color: var(--text-mute);
  line-height: 1.7;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--text-mute);
  flex-wrap: wrap;
  gap: 12px;
}

/* ========== ANIMATIONS / REVEAL ========== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp .9s cubic-bezier(.2,.8,.2,1) forwards;
}
.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .25s; }
.delay-3 { animation-delay: .4s; }
.delay-4 { animation-delay: .55s; }
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .8s cubic-bezier(.2,.8,.2,1), transform .8s cubic-bezier(.2,.8,.2,1);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; gap: 40px; padding-top: 120px; }
  .hero-product { height: 480px; order: -1; }
  .product-image { width: 240px; }
  .product-glow, .product-orbit { width: 360px; height: 360px; }
  .concept-wrap { grid-template-columns: 1fr; gap: 40px; }
  .audience-grid { grid-template-columns: 1fr; }
  .buy-card { grid-template-columns: 1fr; padding: 40px; }
  .buy-right { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .nav-links {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(5,6,10,0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    padding: 96px 32px 32px;
    justify-content: flex-start;
    transform: translateY(-110%);
    transition: transform .4s cubic-bezier(.2,.8,.2,1);
    pointer-events: none;
    visibility: hidden;
  }
  .nav-links.open {
    transform: translateY(0);
    pointer-events: auto;
    visibility: visible;
  }
  .nav-links a {
    font-size: 22px;
    font-weight: 600;
    color: var(--text);
    padding: 20px 0;
    border-bottom: 1px solid var(--line);
    width: 100%;
    font-family: var(--font-display);
  }
  .nav-links a::after { display: none; }
  .section { padding: 80px 0; }
  .container { padding: 0 20px; }
  .nav-inner { padding: 0 20px; }
  .hero { padding: 110px 20px 60px; gap: 24px; }
  .hero-product { height: 380px; }
  .product-image { width: 200px; }
  .product-glow, .product-orbit { width: 280px; height: 280px; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .stat { flex: 1 1 30%; min-width: 0; }
  .story-grid { grid-template-columns: 1fr; }
  .story-card.feature { padding: 40px 24px; }
  .glass { padding: 28px; }
  .audience-card { padding: 28px; }
  .buy-features { grid-template-columns: 1fr; }
  .buy-card { padding: 32px 24px; }
  .price-num { font-size: 44px; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .ticker-track { font-size: 20px; gap: 32px; }
  .floating-tag { font-size: 11px; padding: 7px 11px; }
  .tag-1 { top: 5%; left: 0%; }
  .tag-2 { top: 12%; right: 0%; }
  .tag-3 { bottom: 18%; left: 0%; }
  .tag-4 { bottom: 5%; right: 0%; }
  .scroll-hint { display: none; }
  .concept-visual { height: 380px; }
  .orbit-system { transform: scale(0.65); }
  .final-card { padding: 50px 24px; }
  .bg-glow { width: 400px; height: 400px; filter: blur(80px); }
  .glow-2 { right: -200px; }
  .glow-1 { left: -150px; }
}

@media (max-width: 420px) {
  .hero-stats { gap: 12px; }
  .stat-num { font-size: 28px; }
  .stat-label { font-size: 11px; }
  .product-image { width: 170px; }
  .product-glow, .product-orbit { width: 240px; height: 240px; }
  .hero-product { height: 320px; }
  .floating-tag { font-size: 10px; padding: 6px 10px; }
}

/* ========== TOUCH FOCUS — mimic hover on scroll ========== */
@media (hover: none) {
  .ingredient-card.in-focus {
    transform: translateY(-6px);
    border-color: rgba(77, 208, 255, 0.45);
    box-shadow: 0 20px 60px rgba(77, 208, 255, 0.18);
  }
  .audience-card.in-focus {
    transform: translateY(-4px);
    border-color: rgba(77, 208, 255, 0.4);
    box-shadow: 0 18px 50px rgba(77, 208, 255, 0.12);
  }
  .dose-mode.in-focus {
    transform: translateY(-8px);
  }
  .mode-low.in-focus {
    border-color: rgba(77, 208, 255, 0.5);
    box-shadow: 0 25px 80px rgba(77, 208, 255, 0.22);
  }
  .mode-mid.in-focus {
    border-color: rgba(124, 92, 255, 0.5);
    box-shadow: 0 25px 80px rgba(124, 92, 255, 0.25);
  }
  .mode-max.in-focus {
    border-color: rgba(255, 92, 174, 0.6);
    box-shadow: 0 25px 90px rgba(255, 92, 174, 0.3);
  }
  .symptom.in-focus {
    border-color: rgba(77, 208, 255, 0.4);
    background: rgba(77, 208, 255, 0.06);
    transform: translateY(-3px);
  }
  .math-row.in-focus {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(0, 240, 164, 0.4);
    transform: translateY(-2px);
  }
  .story-card.in-focus {
    transform: translateY(-4px);
    border-color: var(--line-strong);
  }
  .ingredient-card, .audience-card, .dose-mode, .symptom, .math-row, .story-card {
    transition: transform .5s cubic-bezier(.2,.8,.2,1), border-color .5s, box-shadow .5s, background .5s;
  }
}

/* ========== UTILS ========== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}