:root {
  --bg: #14171A;
  --bg-alt: #1C2024;
  --ink: #F4F6F7;
  --ink-muted: #8B95A1;
  --ice: #4FD8EA;
  --ice-dim: #2A5F68;
  --flame: #FF5A36;
  --line: #2A2F35;
  --radius: 4px;
}

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

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2 {
  font-family: 'Bebas Neue', sans-serif;
  letter-spacing: 0.02em;
  line-height: 0.95;
  text-transform: uppercase;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ice);
  margin-bottom: 0.75rem;
}
.eyebrow.center { text-align: center; }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(20, 23, 26, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand-mark {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 110px;
  min-width: 110px;
}
.brand-mark img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.08));
}
.logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.4rem;
  letter-spacing: 0.05em;
}
.logo-accent { color: var(--ice); }
.nav-links { display: flex; gap: 2rem; }
.nav-links a {
  font-size: 0.9rem;
  color: var(--ink-muted);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  background: var(--ice);
  color: var(--bg);
  padding: 0.6rem 1.3rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
}

/* Hero */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem 4rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}
.hero h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  margin: 0.5rem 0 1.25rem;
}
.hero-sub {
  color: var(--ink-muted);
  font-size: 1.1rem;
  max-width: 30rem;
  margin-bottom: 2rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
  padding: 0.9rem 1.8rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-block;
}
.btn-primary { background: var(--flame); color: white; }
.btn-primary:hover { background: #e64d2c; }
.btn-ghost {
  border: 1px solid var(--line);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--ice); color: var(--ice); }

.hero-visual { display: flex; justify-content: center; }
.hero-collage {
  position: relative;
  width: min(100%, 560px);
  aspect-ratio: 1;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.38);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, #0d1115 0%, #141a1f 100%);
}
.hero-athlete {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 28px;
  box-shadow: 0 18px 32px rgba(0, 0, 0, 0.35);
}

/* Stats strip */
.stats-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 1200px;
  margin: 0 auto;
}
.stat {
  padding: 2rem;
  text-align: center;
  border-left: 1px solid var(--line);
}
.stat:first-child { border-left: none; }
.stat-num {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 2rem;
  font-weight: 600;
  color: var(--ice);
}
.stat-label {
  font-size: 0.8rem;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Gauge section */
.cooling-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 3rem;
  align-items: center;
}
.cooling-copy h2 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 1rem; }
.cooling-text { color: var(--ink-muted); max-width: 32rem; margin-bottom: 2rem; }

.cooling-steps {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.step-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1rem 1.1rem;
  background: rgba(28, 32, 36, 0.9);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(79, 216, 234, 0.12);
  color: var(--ice);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  font-weight: 600;
}
.step-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.2rem;
}
.step-item p {
  color: var(--ink-muted);
  font-size: 0.92rem;
}
.cooling-video {
  display: inline-block;
  padding: 0.8rem 1.2rem;
  border: 1px solid rgba(79, 216, 234, 0.5);
  border-radius: 999px;
  color: var(--ice);
  font-weight: 600;
  text-decoration: none;
}
.cooling-video:hover { background: rgba(79, 216, 234, 0.08); }

.cooling-visual {
  position: relative;
  min-height: 540px;
  border-radius: 28px;
  overflow: hidden;
  background: #0d1115;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.cooling-splash {
  position: absolute;
  inset: 0;
}
.cooling-splash img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
}
.cooling-athlete-wrap {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 72%;
  height: 88%;
  padding: 1rem 1rem 0 0;
}
.cooling-athlete {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 22px 0 0 0;
  box-shadow: 0 18px 40px rgba(0,0,0,0.35);
}

/* Product */
.product {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: center;
  background: linear-gradient(180deg, rgba(28,32,36,0.96), rgba(20,23,26,0.98));
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.05);
}
.product-frame {
  aspect-ratio: 1;
  background: linear-gradient(160deg, #171b1f, #0d1013 80%);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  min-height: 380px;
}
.product-frame img {
  display: block;
  width: 100%;
  max-width: 540px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 18px 28px rgba(0, 0, 0, 0.42));
}
.product-frame-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: var(--ink-muted);
}
.product-copy h2 { font-size: clamp(2rem, 4vw, 2.6rem); margin-bottom: 1.75rem; }
.feature-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  font-size: 1.05rem;
}
.feature-mark {
  font-family: 'IBM Plex Mono', monospace;
  color: var(--ice);
  font-size: 0.85rem;
}

/* Bundles */
.bundles {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
}
.bundles h2 { font-size: clamp(2.2rem, 5vw, 3.2rem); margin-bottom: 3rem; }
.bundle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.bundle-card {
  background: linear-gradient(180deg, rgba(28,32,36,0.95), rgba(20,23,26,1));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 2rem 2rem 2.5rem;
  text-align: center;
  position: relative;
  box-shadow: 0 20px 40px rgba(0,0,0,0.18);
}
.bundle-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.25rem;
  min-height: 180px;
  position: relative;
}
.bundle-visual img {
  display: block;
  width: 100%;
  max-width: 210px;
  height: auto;
  filter: drop-shadow(0 12px 18px rgba(0, 0, 0, 0.28));
}
.duo-pack-visual,
.crew-pack-visual {
  min-height: 200px;
}
.duo-pack-visual .towel,
.crew-pack-visual .towel {
  position: absolute;
  width: 42%;
  max-width: none;
  top: 50%;
  transform: translateY(-50%) rotate(-10deg);
}
.duo-pack-visual .towel-a { left: 14%; }
.duo-pack-visual .towel-b { right: 14%; transform: translateY(-50%) rotate(10deg); }

.crew-pack-visual .towel-a {
  left: 7%;
  transform: translateY(-50%) rotate(-14deg);
}
.crew-pack-visual .towel-b {
  left: 33%;
  transform: translateY(-50%) rotate(6deg);
}
.crew-pack-visual .towel-c {
  right: 7%;
  transform: translateY(-50%) rotate(14deg);
}
.bundle-featured {
  border-color: var(--ice);
  transform: translateY(-8px);
}
.bundle-tag {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--flame);
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.25rem 0.8rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.bundle-name {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--ink-muted);
  letter-spacing: 0.08em;
}
.bundle-price {
  display: block;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 3rem;
  margin: 0.5rem 0;
}
.bundle-desc { color: var(--ink-muted); margin-bottom: 1.5rem; font-size: 0.9rem; }
.buy-button-target { min-height: 44px; }

/* Footer */
.footer {
  border-top: 1px solid var(--line);
  padding: 3rem 2rem;
  text-align: center;
  color: var(--ink-muted);
  font-size: 0.85rem;
}
.footer .logo { display: block; margin-bottom: 0.5rem; }

@media (max-width: 860px) {
  .hero, .gauge-section, .product {
    grid-template-columns: 1fr;
  }
  .hero-visual { order: -1; }
  .bundle-grid { grid-template-columns: 1fr; }
  .bundle-featured { transform: none; }
  .stats-strip { grid-template-columns: 1fr; }
  .stat { border-left: none; border-top: 1px solid var(--line); }
  .stat:first-child { border-top: none; }
  .nav-links { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .gauge-fill { transition: none; }
}

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}