/* === Shared chrome: variables, base, nav, footer, primary button === */

:root {
  --bg-canvas: #F2F2F0;
  --bg-canvas-2: #ECECEA;
  --card-bg: #FFFFFF;
  --card-shadow:
    0 0 0 0.5px rgba(15, 15, 17, 0.04),
    0 1px 2px rgba(15, 15, 17, 0.04),
    0 4px 12px rgba(15, 15, 17, 0.05),
    0 12px 32px -8px rgba(15, 15, 17, 0.06);
  --card-shadow-lg:
    0 0 0 0.5px rgba(15, 15, 17, 0.04),
    0 1px 2px rgba(15, 15, 17, 0.04),
    0 8px 24px rgba(15, 15, 17, 0.06),
    0 24px 64px -8px rgba(15, 15, 17, 0.08);

  --text-primary: #0F0F11;
  --text-secondary: #5C5C66;
  --text-tertiary: #8E8E96;

  --accent: #EA580C;
  --accent-deep: #C2410C;
  --accent-glow: rgba(234, 88, 12, 0.20);
  --accent-soft: rgba(234, 88, 12, 0.10);

  --recovery: #16A34A;
  --recovery-glow: rgba(22, 163, 74, 0.20);
  --strain: #7C3AED;
  --strain-glow: rgba(124, 58, 237, 0.22);
  --nutrition: #F97316;
  --nutrition-glow: rgba(249, 115, 22, 0.20);

  --serif: 'Source Serif 4', Georgia, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;

  --nav-bg: rgba(242, 242, 240, 0.78);
  --hairline: rgba(15, 15, 17, 0.06);
  --hairline-strong: rgba(15, 15, 17, 0.10);
  --band-bg: rgba(15, 15, 17, 0.025);
  --bg-tint-r: 22, 163, 74;
  --bg-tint-s: 124, 58, 237;
  --bg-tint-a: 234, 88, 12;
  --bg-tint-alpha: 0.04;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background:
    radial-gradient(ellipse 1100px 700px at 15% -8%, rgba(var(--bg-tint-r), var(--bg-tint-alpha)), transparent 50%),
    radial-gradient(ellipse 900px 600px at 85% 30%, rgba(var(--bg-tint-s), var(--bg-tint-alpha)), transparent 50%),
    radial-gradient(ellipse 800px 500px at 50% 100%, rgba(var(--bg-tint-a), var(--bg-tint-alpha)), transparent 50%),
    var(--bg-canvas);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.005em;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.container { width: 100%; max-width: 960px; margin: 0 auto; padding: 0 22px; }
@media (min-width: 768px) { .container { padding: 0 48px; } }
@media (min-width: 1200px) { .container { padding: 0 56px; } }
.container-narrow { width: 100%; max-width: 720px; margin: 0 auto; padding: 0 22px; }
@media (min-width: 768px) { .container-narrow { padding: 0 48px; } }

/* === Nav === */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 14px 0;
  background: var(--nav-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, padding 0.3s ease, background 0.3s ease;
}
.nav.scrolled { border-bottom-color: var(--hairline); padding: 11px 0; }
.nav-inner {
  position: relative;
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; max-width: 960px; margin: 0 auto; padding: 0 22px;
}
@media (min-width: 768px) { .nav-inner { padding: 0 48px; } }
@media (min-width: 1200px) { .nav-inner { padding: 0 56px; } }

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  transition: opacity 0.3s ease;
}
.nav.past-hero .brand { opacity: 0; pointer-events: none; }

.nav-scrolled-cta {
  position: absolute;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-secondary);
  padding: 6px 4px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.005em;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, color 0.2s ease;
}
@media (min-width: 768px) { .nav-scrolled-cta { left: 48px; } }
@media (min-width: 1200px) { .nav-scrolled-cta { left: 56px; } }
.nav-scrolled-cta:hover { color: var(--accent); }
.nav-scrolled-icon {
  width: 22px;
  height: 22px;
  display: block;
  flex-shrink: 0;
  object-fit: contain;
}
.nav-scrolled-cta svg {
  width: 11px;
  height: 11px;
  transition: transform 0.25s ease;
  margin-left: 2px;
}
.nav-scrolled-cta:hover svg { transform: translateX(3px); }
.nav.past-hero .nav-scrolled-cta {
  opacity: 1;
  pointer-events: auto;
}
.nav.past-hero .nav-waitlist {
  opacity: 0;
  pointer-events: none;
  width: 0;
  padding: 0;
  margin: 0;
  overflow: hidden;
}
.brand-logo { height: 12px; width: auto; display: block; }
@media (min-width: 768px) { .brand-logo { height: 14px; } }

.nav-actions { display: flex; align-items: center; gap: 10px; }

.nav-waitlist {
  background: transparent;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 6px 4px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.005em;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: color 0.2s ease;
}
.nav-waitlist:hover { color: var(--accent); }
.nav-waitlist svg { width: 11px; height: 11px; transition: transform 0.25s ease; }
.nav-waitlist:hover svg { transform: translateX(3px); }

.nav-menu {
  background: transparent;
  border: 0;
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: color 0.2s ease;
}
.nav-menu:hover { color: var(--accent); }
.nav-menu svg { width: 20px; height: 20px; display: block; }

.nav-menu-wrap { position: relative; }
.nav-menu-panel {
  position: absolute;
  top: calc(100% + 14px);
  right: 0;
  min-width: 200px;
  background: var(--card-bg);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  box-shadow:
    0 0 0 0.5px rgba(15, 15, 17, 0.04),
    0 8px 32px rgba(15, 15, 17, 0.10),
    0 24px 64px -8px rgba(15, 15, 17, 0.10);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 110;
}
.nav-menu-panel.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.nav-menu-panel a {
  display: block;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: color 0.15s ease, background 0.15s ease;
}
.nav-menu-panel a:hover { color: var(--accent); background: var(--accent-soft); }

/* === Primary button === */
.btn-primary {
  background: var(--accent);
  color: white;
  padding: 15px 26px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.005em;
  transition: all 0.25s ease;
  border: none;
  cursor: pointer;
  font-family: var(--sans);
  box-shadow: 0 4px 14px var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-deep);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
}
.btn-primary svg { width: 12px; height: 12px; transition: transform 0.3s ease; }
.btn-primary:hover svg { transform: translateX(3px); }

/* === Footer === */
.footer {
  padding: 64px 0 28px;
  border-top: 1px solid var(--hairline);
  font-size: 13.5px;
  color: var(--text-tertiary);
  letter-spacing: -0.005em;
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
@media (min-width: 768px) {
  .footer-top {
    grid-template-columns: 1.2fr 2fr;
    gap: 64px;
    padding-bottom: 48px;
  }
}
.footer-brand { display: flex; flex-direction: column; gap: 14px; }
.footer-logo { height: 30px; width: auto; display: block; }
.footer-tag { font-size: 13px; color: var(--text-tertiary); line-height: 1.55; }
.footer-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 24px; }
@media (min-width: 640px) { .footer-cols { grid-template-columns: repeat(3, 1fr); } }
.footer-col-title {
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; padding: 0; margin: 0; }
.footer-col a { color: var(--text-tertiary); text-decoration: none; font-size: 13.5px; transition: color 0.2s ease; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  gap: 14px; flex-wrap: wrap;
  padding-top: 28px;
  border-top: 1px solid var(--hairline);
  font-size: 12.5px;
}
.footer-legal { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-legal a { color: var(--text-tertiary); text-decoration: none; transition: color 0.2s ease; }
.footer-legal a:hover { color: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01s !important;
  }
  html { scroll-behavior: auto; }
}