/* =========================================================
   HELL ENERGY — cinematic parallax energy drink site
   ========================================================= */

:root {
  --accent: #e10600;
  --accent-soft: #ff2a1a;
  --accent-deep: #8a0200;
  --bg: #050505;
  --bg-2: #0b0b0b;
  --bg-3: #141414;
  --fg: #ffffff;
  --fg-dim: #b5b5b5;
  --fg-mute: #6b6b6b;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.18);
  --card: rgba(255, 255, 255, 0.03);
  --card-hover: rgba(255, 255, 255, 0.06);
  --glow: 0 0 40px rgba(225, 6, 0, 0.45);
  --glow-soft: 0 0 80px rgba(225, 6, 0, 0.25);

  --font-display: 'Bebas Neue', 'Oswald', 'Inter', sans-serif;
  --font-heading: 'Oswald', 'Bebas Neue', 'Inter', sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --nav-h: 72px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;
}

html[data-theme="light"] {
  --bg: #f4f4f4;
  --bg-2: #ffffff;
  --bg-3: #eaeaea;
  --fg: #0a0a0a;
  --fg-dim: #3a3a3a;
  --fg-mute: #8a8a8a;
  --line: rgba(0, 0, 0, 0.09);
  --line-strong: rgba(0, 0, 0, 0.2);
  --card: rgba(0, 0, 0, 0.03);
  --card-hover: rgba(0, 0, 0, 0.06);
  --glow: 0 0 30px rgba(225, 6, 0, 0.3);
  --glow-soft: 0 0 60px rgba(225, 6, 0, 0.18);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  line-height: 1.55;
  transition: background 0.5s ease, color 0.5s ease;
}

body.locked { overflow: hidden; height: 100vh; }

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

::selection { background: var(--accent); color: #fff; }

/* =========================================================
   LOADER
   ========================================================= */
.loader {
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at center, #1a0000 0%, #000 70%);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
  overflow: hidden;
}
.loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loader-inner {
  width: min(90vw, 520px);
  text-align: center;
  position: relative;
  z-index: 2;
}
.loader-brand {
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.loader-logo {
  font-family: var(--font-display);
  font-size: clamp(80px, 14vw, 140px);
  letter-spacing: 0.12em;
  line-height: 0.9;
  color: #fff;
  text-shadow: 0 0 40px rgba(225, 6, 0, 0.6), 0 0 2px rgba(255, 255, 255, 0.3);
  animation: loaderPulse 1.2s ease-in-out infinite alternate;
}
.loader-tag {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.35em;
  color: var(--accent-soft);
  text-transform: uppercase;
  font-weight: 500;
}
.loader-bar-wrap {
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}
.loader-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-deep), var(--accent), #ff5a3c);
  box-shadow: 0 0 20px var(--accent), 0 0 40px rgba(225, 6, 0, 0.6);
  border-radius: 999px;
  transition: width 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.loader-meta {
  margin-top: 18px;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--fg-dim);
  text-transform: uppercase;
}
.loader-percent { color: var(--accent-soft); font-weight: 600; }

.loader-scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(255, 255, 255, 0.02) 3px,
    rgba(255, 255, 255, 0.02) 4px
  );
  pointer-events: none;
  z-index: 1;
}
.loader-noise {
  position: absolute;
  inset: -50%;
  background-image: radial-gradient(circle at 30% 40%, rgba(225, 6, 0, 0.25) 0%, transparent 40%),
    radial-gradient(circle at 70% 70%, rgba(225, 6, 0, 0.15) 0%, transparent 50%);
  animation: noiseMove 8s linear infinite;
  pointer-events: none;
}

@keyframes loaderPulse {
  0% { text-shadow: 0 0 30px rgba(225, 6, 0, 0.4), 0 0 2px rgba(255, 255, 255, 0.3); }
  100% { text-shadow: 0 0 70px rgba(225, 6, 0, 0.9), 0 0 10px rgba(255, 80, 60, 0.5); }
}
@keyframes noiseMove {
  0% { transform: translate(0, 0); }
  50% { transform: translate(-20px, 20px); }
  100% { transform: translate(0, 0); }
}

/* =========================================================
   NAVBAR
   ========================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  padding: 0 clamp(20px, 4vw, 60px);
  display: flex;
  align-items: center;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(5, 5, 5, 0.75);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid var(--line);
}
html[data-theme="light"] .nav.scrolled {
  background: rgba(255, 255, 255, 0.82);
}
.nav-inner {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fg);
}
.nav-logo-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0;
  border-radius: 6px;
  box-shadow: 0 0 22px rgba(225, 6, 0, 0.5);
  transform: skewX(-8deg);
}
.nav-logo-text {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.14em;
  font-style: normal;
}
.nav-logo-text em {
  font-style: normal;
  font-weight: 300;
  color: var(--accent);
  margin-left: 6px;
  font-size: 12px;
  letter-spacing: 0.2em;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 36px;
}
.nav-links a {
  text-decoration: none;
  color: var(--fg-dim);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  position: relative;
  transition: color 0.25s ease;
  padding: 6px 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--fg);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.theme-toggle {
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  padding: 6px 12px 6px 6px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.2em;
  font-weight: 600;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.theme-toggle:hover { border-color: var(--accent); }
.theme-toggle-track {
  width: 36px;
  height: 20px;
  background: var(--bg-3);
  border-radius: 999px;
  position: relative;
  transition: background 0.3s ease;
}
.theme-toggle-thumb {
  position: absolute;
  top: 2px; left: 2px;
  width: 16px; height: 16px;
  background: var(--accent);
  border-radius: 50%;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 12px rgba(225, 6, 0, 0.6);
}
html[data-theme="light"] .theme-toggle-thumb { transform: translateX(16px); }

.nav-cta {
  background: var(--accent);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 0 0 rgba(225, 6, 0, 0);
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(225, 6, 0, 0.5);
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  height: 100vh;
  min-height: 680px;
  overflow: hidden;
  background: #000;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}
.hero-sequence {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.08) translateZ(0);
  will-change: transform, opacity;
  backface-visibility: hidden;
  transition: opacity 0.5s ease;
  filter: brightness(0.85) contrast(1.15) saturate(1.1);
}
.hero-sequence.swapping { opacity: 0; }

.hero-grad {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 60%, transparent 0%, rgba(0, 0, 0, 0.5) 70%, rgba(0, 0, 0, 0.9) 100%),
    linear-gradient(180deg, rgba(5, 5, 5, 0.4) 0%, transparent 20%, transparent 70%, rgba(5, 5, 5, 0.95) 100%);
  pointer-events: none;
}

.hero-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0, 0, 0, 0.75) 100%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}

.hero-sparks {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.spark {
  position: absolute;
  width: 2px; height: 2px;
  background: var(--accent-soft);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent), 0 0 12px var(--accent-soft);
  opacity: 0;
  animation: sparkFloat 4s linear infinite;
}
@keyframes sparkFloat {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { transform: translateY(-10vh) scale(1.5); opacity: 0; }
}

/* Hero content (left block) */
.hero-content {
  position: relative;
  z-index: 10;
  height: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 60px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: min(1600px, 100%);
}
.hero-content > * {
  max-width: 620px;
}
.hero-badge {
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--accent-soft);
  font-weight: 600;
  padding: 8px 14px;
  background: rgba(225, 6, 0, 0.08);
  border: 1px solid rgba(225, 6, 0, 0.35);
  border-radius: var(--radius-pill);
  width: fit-content;
  margin-bottom: 28px;
  backdrop-filter: blur(6px);
  text-transform: uppercase;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(100px, 16vw, 220px);
  letter-spacing: -0.02em;
  line-height: 0.85;
  color: var(--fg);
  text-transform: uppercase;
  position: relative;
  text-shadow: 0 0 40px rgba(225, 6, 0, 0.35);
  margin-bottom: 8px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.hero-title::after {
  content: '';
  position: absolute;
  left: 0; right: 20%; bottom: 4%;
  height: 6px;
  background: var(--accent);
  box-shadow: 0 0 24px var(--accent);
}
.hero-subtitle {
  font-family: var(--font-heading);
  font-size: clamp(16px, 1.6vw, 22px);
  letter-spacing: 0.35em;
  font-weight: 300;
  color: var(--fg-dim);
  text-transform: uppercase;
  margin-bottom: 26px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.hero-desc {
  font-size: clamp(14px, 1.1vw, 17px);
  line-height: 1.65;
  color: var(--fg-dim);
  max-width: 480px;
  margin-bottom: 40px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  margin-bottom: 60px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 30px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.btn-ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--fg);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent-soft);
  background: rgba(225, 6, 0, 0.06);
}
.btn-solid {
  background: var(--accent);
  color: #000;
  box-shadow: 0 10px 30px rgba(225, 6, 0, 0.3);
}
.btn-solid:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(225, 6, 0, 0.55);
}
.btn-solid:hover .btn-arrow { transform: translateX(4px); }
.btn-arrow { transition: transform 0.25s ease; display: inline-block; }
.btn-lg { padding: 20px 38px; font-size: 13px; }

.hero-meta {
  display: flex;
  align-items: center;
  gap: 22px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  width: fit-content;
  max-width: 480px;
}
.hero-meta-item {
  display: flex;
  flex-direction: column;
}
.hero-meta-item span {
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: 0.05em;
  color: var(--fg);
}
.hero-meta-item em {
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--fg-mute);
  font-weight: 500;
  text-transform: uppercase;
}
.hero-meta-divider {
  width: 1px;
  height: 28px;
  background: var(--line-strong);
}

/* Variant nav (right) */
.variant-nav {
  position: absolute;
  top: 50%;
  right: clamp(20px, 4vw, 60px);
  transform: translateY(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 30px;
}
.variant-index {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  color: var(--fg);
}
.variant-index-num {
  font-family: var(--font-display);
  font-size: clamp(90px, 10vw, 160px);
  line-height: 0.85;
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent);
  text-shadow: 0 0 40px rgba(225, 6, 0, 0.3);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s;
}
.variant-index-total {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.05em;
  color: var(--fg-mute);
  margin-top: 8px;
}

.variant-controls {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  overflow: hidden;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  min-width: 140px;
}
.variant-btn {
  background: transparent;
  border: none;
  color: var(--fg-dim);
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.3em;
  font-weight: 600;
  padding: 14px 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  text-transform: uppercase;
  transition: color 0.25s ease, background 0.25s ease;
}
.variant-btn:hover {
  color: var(--accent-soft);
  background: rgba(225, 6, 0, 0.08);
}
.variant-btn-arrow {
  font-size: 14px;
  transition: transform 0.25s ease;
}
.variant-prev:hover .variant-btn-arrow { transform: translateY(-3px); }
.variant-next:hover .variant-btn-arrow { transform: translateY(3px); }
.variant-divider {
  height: 1px;
  background: var(--line);
}

.variant-loading {
  display: none;
  gap: 4px;
  justify-content: flex-end;
}
.variant-loading.active { display: flex; }
.variant-loading span {
  width: 5px; height: 5px;
  background: var(--accent);
  border-radius: 50%;
  animation: dotBounce 1s ease-in-out infinite;
}
.variant-loading span:nth-child(2) { animation-delay: 0.15s; }
.variant-loading span:nth-child(3) { animation-delay: 0.3s; }
@keyframes dotBounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

.variant-dots {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
  padding-top: 6px;
}
.variant-dot {
  width: 18px;
  height: 2px;
  background: var(--line-strong);
  border-radius: 2px;
  cursor: pointer;
  transition: width 0.3s ease, background 0.3s ease;
}
.variant-dot.active {
  width: 28px;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

/* Scroll cue */
.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 60px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 10;
  color: var(--fg-dim);
}
.scroll-cue-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, transparent, var(--accent));
  position: relative;
  overflow: hidden;
}
.scroll-cue-line::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 30%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: scrollCue 1.8s ease-in-out infinite;
}
@keyframes scrollCue {
  0% { top: -30%; opacity: 0; }
  30% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}
.scroll-cue-label {
  font-size: 10px;
  letter-spacing: 0.4em;
  font-weight: 600;
  text-transform: uppercase;
}

/* Ticker */
.hero-ticker {
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  z-index: 9;
  padding: 14px 0;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.85));
  overflow: hidden;
  border-top: 1px solid rgba(225, 6, 0, 0.2);
}
.hero-ticker-track {
  display: flex;
  gap: 50px;
  animation: ticker 40s linear infinite;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--fg-dim);
}
.hero-ticker-track span { flex-shrink: 0; }
.hero-ticker-track span:nth-child(odd) { color: var(--accent-soft); }
@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* =========================================================
   SECTIONS — shared
   ========================================================= */
.section {
  position: relative;
  padding: clamp(80px, 10vw, 140px) clamp(20px, 4vw, 60px);
  max-width: 1600px;
  margin: 0 auto;
}
.section-head {
  margin-bottom: 60px;
}
.section-kicker {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.35em;
  color: var(--accent-soft);
  font-weight: 600;
  padding: 6px 12px;
  border: 1px solid rgba(225, 6, 0, 0.4);
  border-radius: 4px;
  margin-bottom: 20px;
  text-transform: uppercase;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 110px);
  letter-spacing: -0.01em;
  line-height: 0.95;
  text-transform: uppercase;
}
.section-title em {
  font-style: normal;
  color: var(--accent);
}
.section-title strong {
  display: inline-block;
  background: var(--accent);
  color: #000;
  padding: 0 16px;
  font-weight: inherit;
}

/* =========================================================
   PRODUCT
   ========================================================= */
.product {
  border-top: 1px solid var(--line);
}
.product-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}
.product-copy {
  max-width: 560px;
}
.product-lead {
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.55;
  color: var(--fg);
  font-weight: 400;
  margin-bottom: 28px;
}
.product-lead em {
  font-style: normal;
  color: var(--accent);
  font-weight: 600;
}
.product-copy p {
  color: var(--fg-dim);
  line-height: 1.75;
  margin-bottom: 40px;
}
.product-stats {
  display: flex;
  gap: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}
.product-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.product-stat-num {
  font-family: var(--font-display);
  font-size: 54px;
  line-height: 1;
  color: var(--accent);
  letter-spacing: 0.02em;
}
.product-stat-label {
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--fg-mute);
  font-weight: 600;
  text-transform: uppercase;
}

.product-visual {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.product-visual-ring {
  position: absolute;
  inset: 10%;
  border: 1px solid rgba(225, 6, 0, 0.3);
  border-radius: 50%;
  animation: ringRotate 30s linear infinite;
}
.product-visual-ring--2 {
  inset: 2%;
  border-style: dashed;
  border-color: rgba(255, 255, 255, 0.08);
  animation-duration: 60s;
  animation-direction: reverse;
}
@keyframes ringRotate {
  to { transform: rotate(360deg); }
}
.product-visual-can {
  position: relative;
  width: 55%;
  aspect-ratio: 1 / 2.2;
  background: linear-gradient(180deg, #1a0000 0%, #0a0000 50%, #1a0000 100%);
  border-radius: 16px;
  border: 1px solid rgba(225, 6, 0, 0.4);
  box-shadow:
    0 0 80px rgba(225, 6, 0, 0.3),
    inset 0 0 60px rgba(225, 6, 0, 0.15),
    inset -30px 0 60px rgba(0, 0, 0, 0.6),
    inset 30px 0 60px rgba(0, 0, 0, 0.4);
  display: grid;
  place-items: center;
  animation: canFloat 6s ease-in-out infinite;
}
.product-visual-can::before,
.product-visual-can::after {
  content: '';
  position: absolute;
  left: 8%; right: 8%;
  height: 20px;
  background: linear-gradient(180deg, #2a0000, #0a0000);
  border-radius: 4px;
}
.product-visual-can::before { top: -8px; }
.product-visual-can::after { bottom: -8px; }
.product-visual-can-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transform: rotate(-90deg);
}
.product-visual-brand {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 56px);
  color: #fff;
  text-shadow: 0 0 20px var(--accent);
  letter-spacing: 0.1em;
}
.product-visual-sub {
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--accent-soft);
  font-weight: 600;
}
@keyframes canFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
.product-visual-spark {
  position: absolute;
  width: 8px; height: 8px;
  background: var(--accent-soft);
  border-radius: 50%;
  box-shadow: 0 0 20px var(--accent), 0 0 40px var(--accent);
  top: 70%; left: 30%;
  animation: sparkPulse 2s ease-in-out infinite;
}
.product-visual-spark--2 {
  top: 20%; left: 75%;
  animation-delay: 1s;
  width: 6px; height: 6px;
}
@keyframes sparkPulse {
  0%, 100% { transform: scale(0.5); opacity: 0.3; }
  50% { transform: scale(1.5); opacity: 1; }
}

/* =========================================================
   INGREDIENTS
   ========================================================= */
.ingredients {
  background: linear-gradient(180deg, transparent, rgba(225, 6, 0, 0.02));
}
.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.ingredient-card {
  position: relative;
  padding: 36px 28px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform 0.35s ease, border-color 0.35s ease, background 0.35s ease;
  overflow: hidden;
}
.ingredient-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.ingredient-card:hover {
  transform: translateY(-6px);
  border-color: rgba(225, 6, 0, 0.4);
  background: var(--card-hover);
}
.ingredient-card:hover::before { transform: scaleX(1); }
.ingredient-num {
  font-family: var(--font-display);
  font-size: 48px;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--accent);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.ingredient-card h3 {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: 0.08em;
  color: var(--fg);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.ingredient-card p {
  color: var(--fg-dim);
  font-size: 14px;
  line-height: 1.65;
  margin-bottom: 24px;
}
.ingredient-bar {
  width: 100%;
  height: 4px;
  background: var(--line);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}
.ingredient-bar span {
  display: block;
  height: 100%;
  width: var(--fill);
  background: linear-gradient(90deg, var(--accent-deep), var(--accent), var(--accent-soft));
  border-radius: 4px;
  box-shadow: 0 0 12px var(--accent);
}

/* =========================================================
   NUTRITION
   ========================================================= */
.nutrition-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.nutrition-label {
  background: #0a0a0a;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  font-family: var(--font-body);
  color: #fff;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5), var(--glow-soft);
}
html[data-theme="light"] .nutrition-label {
  background: #0a0a0a;
  color: #fff;
}
.nutrition-label-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 14px;
}
.nutrition-brand {
  font-family: var(--font-display);
  font-size: 48px;
  letter-spacing: 0.1em;
  color: var(--accent-soft);
  line-height: 0.9;
}
.nutrition-type {
  font-size: 10px;
  letter-spacing: 0.35em;
  color: #888;
  font-weight: 600;
  text-transform: uppercase;
}
.nutrition-serving {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 8px 0;
  color: #ccc;
}
.nutrition-bar-thick {
  height: 8px;
  background: var(--accent);
  margin: 12px 0;
}
.nutrition-bar-thin {
  height: 1px;
  background: rgba(255, 255, 255, 0.15);
  margin: 8px 0;
}
.nutrition-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  font-size: 13px;
  color: #ddd;
}
.nutrition-row--bold {
  font-size: 11px;
  letter-spacing: 0.25em;
  color: #888;
  text-transform: uppercase;
  font-weight: 600;
  padding-top: 4px;
}
.nutrition-row--hero {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: 0.06em;
  border-bottom: 4px solid var(--accent);
  padding: 12px 0;
}
.nutrition-row--sub {
  padding-left: 20px;
  color: #aaa;
}
.nutrition-foot {
  font-size: 10px;
  color: #777;
  margin-top: 8px;
  letter-spacing: 0.05em;
}

.nutrition-copy h3 {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 72px);
  line-height: 0.9;
  letter-spacing: 0.01em;
  margin-bottom: 24px;
  text-transform: uppercase;
}
.nutrition-copy p {
  color: var(--fg-dim);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 440px;
}
.nutrition-badges {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  max-width: 420px;
}
.nutrition-badges li {
  padding: 16px 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  font-weight: 600;
  color: var(--fg-dim);
  text-transform: uppercase;
  display: flex;
  gap: 10px;
  align-items: center;
}
.nutrition-badges li span {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.05em;
  color: var(--accent);
  line-height: 1;
}

/* =========================================================
   REVIEWS
   ========================================================= */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.review-card {
  padding: 36px 30px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 22px;
  transition: transform 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}
.review-card:hover {
  transform: translateY(-4px);
  border-color: rgba(225, 6, 0, 0.3);
}
.review-card--feature {
  background: linear-gradient(135deg, rgba(225, 6, 0, 0.1), transparent);
  border-color: rgba(225, 6, 0, 0.35);
}
.review-card--feature::before {
  content: '"';
  position: absolute;
  top: -30px; right: -10px;
  font-size: 200px;
  font-family: Georgia, serif;
  color: rgba(225, 6, 0, 0.08);
  line-height: 1;
}
.review-stars {
  color: var(--accent);
  letter-spacing: 0.2em;
  font-size: 16px;
}
.review-card p {
  font-size: 16px;
  line-height: 1.65;
  color: var(--fg);
  flex-grow: 1;
}
.review-author {
  display: flex;
  gap: 14px;
  align-items: center;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.review-avatar {
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 22px;
  box-shadow: 0 0 20px rgba(225, 6, 0, 0.4);
}
.review-author strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
}
.review-author em {
  font-style: normal;
  font-size: 12px;
  color: var(--fg-mute);
  letter-spacing: 0.05em;
}

/* =========================================================
   FAQ
   ========================================================= */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--card);
  transition: border-color 0.3s ease;
}
.faq-item[open] {
  border-color: rgba(225, 6, 0, 0.4);
  background: rgba(225, 6, 0, 0.04);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 24px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-q {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--fg);
}
.faq-icon {
  width: 24px; height: 24px;
  position: relative;
  flex-shrink: 0;
}
.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  background: var(--accent);
  transition: transform 0.3s ease;
}
.faq-icon::before {
  width: 14px; height: 2px;
  transform: translate(-50%, -50%);
}
.faq-icon::after {
  width: 2px; height: 14px;
  transform: translate(-50%, -50%);
}
.faq-item[open] .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}
.faq-a {
  padding: 0 30px 28px;
  color: var(--fg-dim);
  line-height: 1.7;
  font-size: 15px;
  max-width: 720px;
}

/* =========================================================
   FINAL CTA
   ========================================================= */
.final-cta {
  position: relative;
  text-align: center;
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.final-cta-inner {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
}
.final-cta-title {
  font-family: var(--font-display);
  font-size: clamp(52px, 8vw, 120px);
  line-height: 0.95;
  letter-spacing: -0.01em;
  margin: 24px 0 28px;
  text-transform: uppercase;
}
.final-cta-title em {
  font-style: normal;
  color: var(--accent);
}
.final-cta-title strong {
  display: inline-block;
  background: var(--accent);
  color: #000;
  padding: 0 20px;
  font-weight: inherit;
  box-shadow: 0 0 50px rgba(225, 6, 0, 0.5);
}
.final-cta-desc {
  font-size: 18px;
  color: var(--fg-dim);
  line-height: 1.65;
  max-width: 560px;
  margin: 0 auto 44px;
}
.final-cta-btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.final-cta-flare {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 100%, rgba(225, 6, 0, 0.35) 0%, transparent 60%),
    radial-gradient(ellipse at 0% 50%, rgba(225, 6, 0, 0.15) 0%, transparent 50%);
  pointer-events: none;
  z-index: 1;
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  background: #000;
  color: #888;
  padding: 80px clamp(20px, 4vw, 60px) 30px;
  border-top: 1px solid rgba(225, 6, 0, 0.2);
}
html[data-theme="light"] .footer { background: #000; color: #888; }
.footer-top {
  max-width: 1600px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 60px;
  color: #fff;
  letter-spacing: 0.08em;
  line-height: 1;
  text-shadow: 0 0 30px rgba(225, 6, 0, 0.5);
  display: block;
  margin-bottom: 20px;
}
.footer-brand p {
  line-height: 1.7;
  max-width: 320px;
  font-size: 14px;
  color: #888;
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.footer-col h4 {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--accent);
  margin-bottom: 22px;
  font-weight: 700;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col a {
  color: #aaa;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.25s ease, letter-spacing 0.25s ease;
  display: inline-block;
}
.footer-col a:hover {
  color: #fff;
  letter-spacing: 0.05em;
}
.footer-socials {
  flex-direction: row !important;
  gap: 10px !important;
}
.footer-socials a {
  width: 40px; height: 40px;
  display: grid !important;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  font-size: 11px !important;
  font-weight: 700;
  letter-spacing: 0 !important;
  transition: background 0.25s ease, border-color 0.25s ease;
}
.footer-socials a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  letter-spacing: 0 !important;
}

.footer-bottom {
  max-width: 1600px;
  margin: 0 auto;
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: #555;
  text-transform: uppercase;
  flex-wrap: wrap;
}

/* =========================================================
   REVEAL ANIMATIONS
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Glitch effect on variant switch */
.glitch-anim {
  animation: glitchSwap 0.6s ease-out;
}
@keyframes glitchSwap {
  0% { opacity: 0; transform: translateX(-20px) skewX(-8deg); filter: blur(6px) hue-rotate(20deg); }
  40% { opacity: 0.6; transform: translateX(4px) skewX(2deg); filter: blur(0) hue-rotate(0deg); }
  60% { transform: translateX(-2px); }
  100% { opacity: 1; transform: translateX(0) skewX(0); filter: blur(0); }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1100px) {
  .nav-links { display: none; }
  .product-grid { grid-template-columns: 1fr; gap: 60px; }
  .product-visual { max-width: 360px; margin: 0 auto; }
  .ingredients-grid { grid-template-columns: repeat(2, 1fr); }
  .nutrition-wrap { grid-template-columns: 1fr; gap: 50px; }
  .reviews-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .hero-content { max-width: 100%; }
  .hero-title { font-size: clamp(72px, 20vw, 120px); }
  .variant-nav { right: 14px; gap: 18px; }
  .variant-index-num { font-size: clamp(64px, 18vw, 100px); }
  .variant-controls { min-width: 100px; }
  .variant-btn { padding: 10px 14px; font-size: 10px; }
  .hero-meta { gap: 12px; flex-wrap: wrap; }
  .hero-ctas { flex-wrap: wrap; }
  .btn { padding: 14px 22px; font-size: 11px; }
  .ingredients-grid { grid-template-columns: 1fr; }
  .section-title { font-size: clamp(36px, 10vw, 64px); }
  .hero-ticker { font-size: 11px; }
  .scroll-cue { display: none; }
  .footer-bottom { flex-direction: column; }
}