/* CalorIA web. Tokens mirror docs/DESIGN.md («Savia»). */
:root {
  --ground: #F1F4F0;
  --paper: #FFFFFF;
  --ink: #142019;
  --ink-2: #4A584F;
  --hairline: #E5EAE4;
  --primary: #167D47;
  --on-primary: #FFFFFF;
  --primary-soft: #D4EEDC;
  --lime: #C8F169;
  --protein: #E8664F;
  --carbs: #E9A23B;
  --fat: #4A86D8;
  --sky-1: #BEE5CC;
  --sky-2: #D8EEDA;
  --glow: rgba(255, 224, 160, .95);
  --shadow: 0 8px 24px rgba(28, 60, 40, .12);
  --phone-shadow: 0 30px 60px -20px rgba(20, 50, 32, .35), 0 8px 24px rgba(28, 60, 40, .12);
  --radius: 24px;
  --max: 1120px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #0B100D;
    --paper: #141B17;
    --ink: #E9F1EA;
    --ink-2: #B4C4B8;
    --hairline: #232C27;
    --primary: #4FD48A;
    --on-primary: #052E17;
    --primary-soft: #1B4A31;
    --protein: #FF8A6B;
    --carbs: #F5B85A;
    --fat: #6FA3F0;
    --sky-1: #1B3B2F;
    --sky-2: #11241B;
    --glow: rgba(255, 190, 120, .18);
    --shadow: 0 8px 24px rgba(0, 0, 0, .4);
    --phone-shadow: 0 30px 60px -20px rgba(0, 0, 0, .7);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 400 17px/1.6 "Manrope", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); }
h1, h2, h3 {
  font-family: "Bricolage Grotesque", "Manrope", sans-serif;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.02em;
  margin: 0;
  text-wrap: balance;
}
p { margin: 0; text-wrap: pretty; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Header */
.top {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  background: color-mix(in srgb, var(--ground) 70%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--hairline) 70%, transparent);
}
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 700 20px "Bricolage Grotesque", sans-serif; }
.brand img { width: 32px; height: 32px; }
.top nav { display: flex; gap: 24px; }
.top nav a { color: var(--ink-2); text-decoration: none; font-weight: 600; font-size: 15px; }
.top nav a:hover { color: var(--primary); }

/* Hero */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(60% 50% at 85% 0%, var(--glow), transparent 70%),
    linear-gradient(180deg, var(--sky-1), var(--sky-2) 55%, var(--ground));
  padding: 72px 0 96px;
}
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 700; color: var(--primary);
  background: color-mix(in srgb, var(--paper) 60%, transparent);
  border: 1px solid color-mix(in srgb, var(--paper) 80%, transparent);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 24px;
}
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 3px color-mix(in srgb, var(--lime) 35%, transparent); }
.hero h1 { font-size: clamp(44px, 7vw, 80px); }
.hero h1 em { font-style: normal; color: var(--primary); }
.lead { font-size: clamp(18px, 2vw, 21px); color: var(--ink-2); margin-top: 24px; max-width: 34ch; }
.quote {
  margin-top: 32px; max-width: 30rem;
  background: var(--paper); border-radius: 20px; padding: 16px 20px;
  box-shadow: var(--shadow); display: flex; gap: 14px; align-items: center;
}
.quote .mic {
  flex: none; width: 44px; height: 44px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #E9FBB0, var(--lime) 40%, #4FD48A 75%, #167D47);
  display: grid; place-items: center; color: #0B3D22;
}
.quote p { font-size: 15px; color: var(--ink-2); }
.quote b { color: var(--ink); font-weight: 600; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 999px; font-weight: 700; font-size: 16px; text-decoration: none;
}
.btn.primary { background: var(--primary); color: var(--on-primary); }
.btn.ghost { color: var(--ink); border: 1px solid var(--hairline); background: color-mix(in srgb, var(--paper) 50%, transparent); }

.phone {
  border-radius: 40px; overflow: hidden; background: var(--paper);
  box-shadow: var(--phone-shadow);
  border: 6px solid #142019;
  aspect-ratio: 1344 / 2992;
}
.phone img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.hero-phones { position: relative; height: 640px; }
.hero-phones .phone { position: absolute; width: 270px; }
.hero-phones .back { right: 0; top: 40px; transform: rotate(5deg); }
.hero-phones .front { left: 10px; top: 0; transform: rotate(-3deg); z-index: 1; }

/* Strip of macros, a nod to the app */
.macros { display: flex; gap: 4px; height: 6px; max-width: 220px; margin-top: 40px; }
.macros span { border-radius: 3px; }
.macros .p { background: var(--protein); flex: 18; }
.macros .c { background: var(--carbs); flex: 52; }
.macros .f { background: var(--fat); flex: 30; }

/* Features */
section { padding: 96px 0; }
.section-head { max-width: 40rem; margin-bottom: 40px; }
.section-head h2 { font-size: clamp(34px, 4.5vw, 52px); }
.section-head p { color: var(--ink-2); margin-top: 16px; font-size: 19px; }

.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; padding: 56px 0; }
.feature + .feature { border-top: 1px solid var(--hairline); }
.feature.flip .shots { order: -1; }
.feature .kicker { font-size: 14px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--primary); }
.feature h3 { font-size: clamp(28px, 3.4vw, 40px); margin-top: 12px; }
.feature p { color: var(--ink-2); margin-top: 16px; max-width: 38ch; }
.feature ul { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 10px; }
.feature li { display: flex; gap: 12px; align-items: baseline; }
.feature li::before { content: ""; flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); transform: translateY(-2px); }
.shots { display: flex; gap: 20px; justify-content: center; }
.shots .phone { width: min(260px, 46%); }
.shots .phone:nth-child(2) { margin-top: 56px; }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.tag { font-size: 13px; font-weight: 700; padding: 4px 12px; border-radius: 999px; }
.tag.own { background: #E3F2E7; color: #1E5E39; }
.tag.pack { background: #E3ECF7; color: #2A5A9A; }
.tag.est { background: #F8EBD3; color: #7A4A0C; }
@media (prefers-color-scheme: dark) {
  .tag.own { background: #173A2A; color: #A8E2C2; }
  .tag.pack { background: #16284A; color: #B4CCF2; }
  .tag.est { background: #3E2C10; color: #F5CF94; }
}

/* Privacy band */
.privacy { background: var(--paper); border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { background: var(--ground); border-radius: var(--radius); padding: 28px; }
.card h3 { font-size: 22px; }
.card p { color: var(--ink-2); margin-top: 10px; font-size: 16px; }
.card .ico { width: 44px; height: 44px; border-radius: 14px; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; margin-bottom: 18px; }
.more { margin-top: 32px; font-weight: 700; }

/* Alba sign-off */
.alba { display: flex; gap: 20px; align-items: center; max-width: 44rem; margin: 0 auto; }
.alba img { width: 72px; height: 72px; flex: none; }
.alba p { font: 600 clamp(20px, 2.4vw, 26px)/1.35 "Bricolage Grotesque", sans-serif; }

footer { padding: 40px 0 56px; color: var(--ink-2); font-size: 14px; border-top: 1px solid var(--hairline); }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer a { color: var(--ink-2); }

/* Privacy page */
.doc { max-width: 46rem; margin: 0 auto; padding: 64px 24px 96px; }
.doc h1 { font-size: clamp(40px, 6vw, 60px); }
.doc .updated { color: var(--ink-2); margin-top: 12px; }
.doc h2 { font-size: 26px; margin: 48px 0 12px; }
.doc p, .doc li { color: var(--ink-2); }
.doc p + p { margin-top: 12px; }
.doc ul { padding-left: 20px; display: grid; gap: 8px; margin: 12px 0 0; }
.doc strong { color: var(--ink); }
.doc .summary { background: var(--paper); border-radius: var(--radius); padding: 24px 28px; margin-top: 32px; box-shadow: var(--shadow); }
.doc .summary p { color: var(--ink); }

@media (max-width: 900px) {
  .hero { padding: 48px 0 72px; }
  .hero .wrap, .feature { grid-template-columns: 1fr; gap: 40px; }
  .feature.flip .shots { order: 0; }
  .hero-phones { height: 520px; max-width: 420px; margin: 0 auto; width: 100%; }
  .hero-phones .phone { width: 220px; }
  .grid3 { grid-template-columns: 1fr; }
  section { padding: 72px 0; }
}
@media (max-width: 520px) {
  .wrap { padding: 0 16px; }
  .top nav { gap: 16px; }
  .top nav a.hide-sm { display: none; }
  .hero-phones { height: 420px; }
  .hero-phones .phone { width: 170px; }
  .hero-phones .front { left: 0; }
  .shots { gap: 12px; }
  .phone { border-radius: 26px; border-width: 4px; }
  .alba { flex-direction: column; text-align: center; }
}
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1); }
  .js .reveal.in { opacity: 1; transform: none; }
}