/* ============================================================
   PeptidePrimer design system — Soft UI Evolution
   Self-hosted variable fonts · light+dark tokens · WCAG AA
   ============================================================ */

@font-face {
  font-family: 'Inter';
  src: url('/assets/fonts/inter-var.woff2') format('woff2');
  font-weight: 100 900; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Newsreader';
  src: url('/assets/fonts/newsreader-var.woff2') format('woff2');
  font-weight: 400 800; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Archivo';
  src: url('/assets/fonts/archivo-var.woff2') format('woff2');
  font-weight: 100 900; font-stretch: 62% 125%; font-style: normal; font-display: swap;
}

/* ---------- tokens ---------- */
:root {
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --serif: 'Newsreader', Georgia, serif;
  --display: 'Archivo', 'Inter', system-ui, sans-serif;

  --bg: #f6f8f9;
  --bg-raised: #ffffff;
  --bg-sunken: #eef2f4;
  --ink: #132029;
  --ink-2: #455864;
  --ink-3: #6b7f8c;
  --line: #dfe7ec;
  --line-strong: #c8d5dd;

  --primary: #0b7285;          /* deep medical teal */
  --primary-strong: #085f70;
  --primary-soft: #e0f1f4;
  --accent: #0e8a5f;           /* emerald CTA */
  --accent-strong: #0b6e4c;
  --accent-soft: #e2f3ec;
  --warm: #b3701e;             /* amber labels */
  --danger: #b3372f;
  --danger-soft: #f9e9e7;

  --hero-grad: radial-gradient(1200px 600px at 15% -10%, rgba(11,114,133,.14), transparent 60%),
               radial-gradient(900px 500px at 90% 0%, rgba(14,138,95,.12), transparent 55%);
  --card-shadow: 0 1px 2px rgba(19,32,41,.05), 0 6px 20px -6px rgba(19,32,41,.09);
  --card-shadow-hover: 0 2px 4px rgba(19,32,41,.06), 0 16px 36px -10px rgba(19,32,41,.16);
  --header-bg: rgba(255,255,255,.82);
  --radius: 12px;
  --radius-sm: 8px;
  --ease: cubic-bezier(.22,.8,.36,1);
}

[data-theme="dark"] {
  --bg: #0a1016;
  --bg-raised: #101a23;
  --bg-sunken: #070c11;
  --ink: #e9f0f4;
  --ink-2: #a6b8c3;
  --ink-3: #7d919e;
  --line: #21313c;
  --line-strong: #33485595;

  --primary: #3fd0e8;
  --primary-strong: #6cdcef;
  --primary-soft: #0e3540;
  --accent: #3fe0a4;
  --accent-strong: #6ceabb;
  --accent-soft: #0d3628;
  --warm: #d99a4e;
  --danger: #e07a72;
  --danger-soft: #3a1f1c;

  --hero-grad: radial-gradient(1100px 560px at 8% -10%, rgba(63,208,232,.13), transparent 60%),
               radial-gradient(900px 520px at 85% -5%, rgba(63,224,164,.10), transparent 55%);
  --card-shadow: 0 1px 2px rgba(0,0,0,.35), 0 8px 24px -8px rgba(0,0,0,.5);
  --card-shadow-hover: 0 0 0 1px rgba(63,208,232,.25), 0 18px 40px -12px rgba(0,0,0,.65);
  --header-bg: rgba(10,16,22,.84);
}

/* ---------- base ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--sans); color: var(--ink); background: var(--bg);
  line-height: 1.65; font-size: 16.5px;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  transition: background .3s var(--ease), color .3s var(--ease);
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-strong); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--primary-soft); }

h1, h2, h3 { line-height: 1.05; text-wrap: balance; }
h1 {
  font-family: var(--display); font-weight: 800; font-stretch: 112%;
  text-transform: uppercase; letter-spacing: -0.01em;
  font-size: clamp(1.9rem, 4.6vw, 2.9rem); margin: .2em 0 .45em;
}
h2 {
  font-family: var(--display); font-weight: 760; font-stretch: 110%;
  text-transform: uppercase; letter-spacing: 0;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem); margin-top: 2.4em;
}
h3 { font-size: 1.05rem; font-weight: 680; letter-spacing: -.01em; line-height: 1.25; }

.eyebrow {
  display: flex; align-items: center; gap: 10px;
  font-size: .74rem; font-weight: 760; text-transform: uppercase; letter-spacing: .18em;
  color: var(--accent); margin: 0 0 10px;
}
.eyebrow::before { content: ''; width: 26px; height: 2px; background: var(--accent); }

/* ---------- draft banner ---------- */
.draft-banner {
  background: var(--danger); color: #fff; text-align: center; padding: 6px 12px;
  font-size: .78rem; font-weight: 650; letter-spacing: .05em; text-transform: uppercase;
}

/* ---------- header ---------- */
.site-header {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px clamp(16px, 4vw, 44px);
  background: var(--header-bg); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--display); font-stretch: 112%; text-transform: uppercase;
  font-weight: 820; font-size: 1.06rem; color: var(--ink); letter-spacing: .01em;
}
.brand:hover { color: var(--ink); }
.brand svg { display: block; }
.site-header nav { display: flex; align-items: center; gap: clamp(8px, 2vw, 6px); flex-wrap: wrap; }
.site-header nav a {
  color: var(--ink-2); font-weight: 600; font-size: .93rem;
  padding: 8px 13px; border-radius: 999px; transition: background .18s var(--ease), color .18s var(--ease);
}
.site-header nav a:hover { background: var(--bg-sunken); color: var(--ink); }
.nav-chat {
  background: var(--accent); color: #fff !important; box-shadow: 0 4px 14px -4px var(--accent);
}
.nav-chat:hover { background: var(--accent-strong) !important; }
[data-theme="dark"] .nav-chat { color: #06130d !important; }
.theme-toggle {
  border: 1px solid var(--line); background: var(--bg-raised); color: var(--ink-2);
  width: 38px; height: 38px; border-radius: 999px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}
.theme-toggle:hover { border-color: var(--line-strong); transform: rotate(12deg); }
.theme-toggle .moon, [data-theme="dark"] .theme-toggle .sun { display: none; }
[data-theme="dark"] .theme-toggle .moon { display: block; }

main { max-width: 1120px; margin: 0 auto; padding: 30px clamp(16px, 4vw, 44px) 80px; }
main > section + section { margin-top: 72px; }

/* ---------- hero ---------- */
.hero {
  position: relative; text-align: left; padding: 58px 0 30px;
}
.hero::before {
  content: ''; position: absolute; inset: -30px -100vw 0; z-index: -1;
  background: var(--hero-grad),
    repeating-linear-gradient(90deg, transparent 0 119px, color-mix(in srgb, var(--ink) 4%, transparent) 119px 120px);
  -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent);
  mask-image: linear-gradient(to bottom, black 60%, transparent);
  pointer-events: none;
}
.hero-badges { display: flex; gap: 10px; justify-content: flex-start; flex-wrap: wrap; margin-bottom: 28px; }
.badge {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: .78rem; font-weight: 680; color: var(--ink-2);
  text-transform: uppercase; letter-spacing: .06em;
  background: var(--bg-raised); border: 1px solid var(--line);
  padding: 7px 14px; border-radius: 6px; box-shadow: var(--card-shadow);
}
.badge svg { color: var(--accent); }
.hero h1 {
  font-size: clamp(2.6rem, 7.2vw, 5rem); font-stretch: 118%; font-weight: 850;
  line-height: .98; margin: 0 0 .3em; max-width: 15ch;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--primary), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { max-width: 560px; margin: 0; color: var(--ink-2); font-size: 1.13rem; }

.hero-stats {
  display: flex; gap: clamp(22px, 5vw, 56px); justify-content: flex-start; flex-wrap: wrap;
  margin: 38px 0 6px; padding: 22px 0 0; border-top: 1px solid var(--line);
}
.hero-stats div { text-align: left; }
.hero-stats b {
  display: block; font-family: var(--display); font-stretch: 115%; font-size: 2.1rem;
  font-weight: 820; color: var(--ink); line-height: 1.05;
}
.hero-stats span { font-size: .74rem; font-weight: 680; color: var(--ink-3); text-transform: uppercase; letter-spacing: .12em; }

.audience-picker {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px; margin: 26px auto 8px;
}
@media (max-width: 940px) { .audience-picker { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .audience-picker { grid-template-columns: 1fr; } }
.audience {
  position: relative; overflow: hidden;
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 26px 22px; text-align: left; box-shadow: var(--card-shadow); color: var(--ink);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.audience::after {
  content: ''; position: absolute; inset: 0 0 auto; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0; transition: opacity .22s var(--ease);
}
.audience:hover { transform: translateY(-3px); box-shadow: var(--card-shadow-hover); border-color: var(--line-strong); color: var(--ink); }
.audience:hover::after { opacity: 1; }
.audience .aud-icon {
  width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  background: var(--primary-soft); color: var(--primary); margin-bottom: 14px;
}
.audience h3 { margin: 0 0 6px; font-size: 1.14rem; }
.audience p { margin: 0 0 12px; color: var(--ink-2); font-size: .95rem; }
.audience .cta { color: var(--accent); font-weight: 700; font-size: .92rem; }

/* ---------- how it works ---------- */
.steps {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; margin-top: 22px;
  counter-reset: step;
}
.step {
  position: relative; background: var(--bg-raised); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px 22px 20px; box-shadow: var(--card-shadow);
}
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--display); font-stretch: 118%; font-size: 2.3rem; font-weight: 850; line-height: 1;
  color: transparent; -webkit-text-stroke: 1.5px var(--primary);
  opacity: .55; display: block; margin-bottom: 12px;
}
.step h3 { margin: 0 0 6px; }
.step p { margin: 0; color: var(--ink-2); font-size: .93rem; }

/* ---------- cards ---------- */
.grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
  gap: 18px; margin-top: 22px;
}
.card {
  position: relative; display: flex; flex-direction: column; gap: 4px;
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; color: var(--ink); box-shadow: var(--card-shadow);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--card-shadow-hover); border-color: var(--line-strong); color: var(--ink); }
.card h3 { margin: 4px 0 4px; font-size: 1.06rem; }
.card p { margin: 0; color: var(--ink-2); font-size: .9rem; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.card-cat {
  font-size: .7rem; font-weight: 720; text-transform: uppercase; letter-spacing: .08em;
  color: var(--cat, var(--warm));
}
.cat-icon {
  width: 34px; height: 34px; border-radius: 10px; flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--cat, var(--warm)) 13%, transparent);
  color: var(--cat, var(--warm));
}
/* category hues */
.cat-recovery-repair { --cat: #0e8a5f; }
.cat-skin-longevity { --cat: #8a5fb0; }
.cat-gut-inflammation { --cat: #c2652a; }
.cat-growth-hormone-axis { --cat: #0b7285; }
.cat-weight-metabolic { --cat: #b3372f; }
.cat-energy-longevity { --cat: #b3701e; }
.cat-mind-mood { --cat: #4763c9; }
.cat-skin-tanning { --cat: #c28f1e; }
.cat-advanced-growth { --cat: #64748b; }
[data-theme="dark"] .cat-recovery-repair { --cat: #4fd6a4; }
[data-theme="dark"] .cat-skin-longevity { --cat: #c1a1e0; }
[data-theme="dark"] .cat-gut-inflammation { --cat: #eb9a63; }
[data-theme="dark"] .cat-growth-hormone-axis { --cat: #56c4d8; }
[data-theme="dark"] .cat-weight-metabolic { --cat: #ef9089; }
[data-theme="dark"] .cat-energy-longevity { --cat: #e0aa5c; }
[data-theme="dark"] .cat-mind-mood { --cat: #93a8ef; }
[data-theme="dark"] .cat-skin-tanning { --cat: #e6bc55; }
[data-theme="dark"] .cat-advanced-growth { --cat: #9fb0c2; }

.chips { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-size: .73rem; font-weight: 640; background: var(--primary-soft); color: var(--primary);
  padding: 4px 10px; border-radius: 999px;
}
.more { margin-top: 16px; font-weight: 650; }

/* ---------- tools strip ---------- */
.tools-strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 18px;
  margin-top: 52px;
}
.tools-strip > div {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #10333c, #0e2b23);
  color: #cfe3e9; border-radius: var(--radius); padding: 28px 26px;
  border: 1px solid rgba(255,255,255,.06);
}
.tools-strip h3 { margin: 0 0 6px; color: #fff; font-size: 1.15rem; }
.tools-strip p { margin: 0 0 12px; font-size: .93rem; }
.tools-strip a { color: #6fe0b8; font-weight: 700; }
.tools-strip a:hover { color: #9ceccd; }
.tools-strip svg { position: absolute; right: -14px; bottom: -14px; width: 110px; height: 110px; opacity: .10; }

/* ---------- article / doc ---------- */
.doc { max-width: 730px; margin: 0 auto; }
.crumb { font-size: .84rem; color: var(--ink-3); font-weight: 550; }
.crumb a { color: var(--ink-3); }
.crumb a:hover { color: var(--primary); }
.aka { color: var(--ink-3); font-size: .92rem; margin-top: -4px; }
.lede { font-size: 1.16rem; color: var(--ink-2); line-height: 1.6; }
.doc ul, .doc ol { padding-left: 1.3em; }
.doc li { margin: .35em 0; }
.doc blockquote {
  border-left: 3px solid var(--warm); margin: 1.4em 0; padding: 12px 18px;
  background: color-mix(in srgb, var(--warm) 7%, var(--bg-raised));
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--ink-2); font-size: .94rem; font-weight: 550;
}
.doc-cta { margin-top: 38px; display: flex; gap: 14px; flex-wrap: wrap; }
.doc-cta a {
  font-weight: 680; font-size: .93rem; padding: 11px 18px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--bg-raised); box-shadow: var(--card-shadow);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}
.doc-cta a:hover { transform: translateY(-2px); box-shadow: var(--card-shadow-hover); }
.doc-cta a:first-child { background: var(--accent); border-color: transparent; color: #fff; }
[data-theme="dark"] .doc-cta a:first-child { color: #06130d; }

table.protocol {
  width: 100%; border-collapse: collapse; margin: 20px 0 6px; background: var(--bg-raised);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--card-shadow); font-size: .95rem;
}
table.protocol th, table.protocol td { padding: 12px 16px; text-align: left; }
table.protocol th { width: 42%; color: var(--ink-3); font-weight: 620; background: var(--bg-sunken); }
table.protocol tr + tr { border-top: 1px solid var(--line); }
.protocol-note { font-size: .82rem; color: var(--ink-3); }

/* ---------- calculator ---------- */
.calc {
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--card-shadow); margin: 22px 0;
}
.calc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.calc label { font-size: .84rem; font-weight: 630; color: var(--ink-2); display: block; }
.calc input {
  width: 100%; margin-top: 6px; padding: 12px 14px; font-size: 1.05rem; font-weight: 600;
  font-family: var(--sans); color: var(--ink);
  border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--bg-sunken);
  transition: border-color .18s var(--ease);
}
.calc input:hover { border-color: var(--line-strong); }
.calc input:focus { outline: 2px solid var(--primary); outline-offset: 0; border-color: transparent; }
.field-hint { display: block; margin-top: 5px; font-size: .74rem; font-weight: 480; color: var(--ink-3); line-height: 1.45; }
.auto-toggle { float: right; font-size: .74rem; color: var(--accent); display: inline-flex; align-items: center; gap: 4px; }
.auto-toggle input { width: 14px; height: 14px; accent-color: var(--accent); margin: 0; }
.routine {
  margin-top: 16px; padding: 14px 18px; background: var(--accent-soft);
  border-left: 3px solid var(--accent); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: .95rem; line-height: 1.6;
}
.calc-out { margin-top: 20px; display: grid; grid-template-columns: repeat(auto-fit, minmax(185px, 1fr)); gap: 14px; }
.stat {
  background: var(--primary-soft); border-radius: var(--radius-sm); padding: 16px;
  transition: transform .18s var(--ease);
}
.stat b { display: block; font-family: var(--display); font-stretch: 112%; font-size: 1.5rem; font-weight: 820; color: var(--primary); }
[data-theme="dark"] .stat b { color: var(--primary-strong); }
.stat span { font-size: .8rem; color: var(--ink-2); font-weight: 550; }
.stat.warn { background: var(--danger-soft); }
.stat.warn b { color: var(--danger); font-size: 1.1rem; }

/* ---------- chat ---------- */
.chat-gate { display: flex; gap: 10px; flex-wrap: wrap; margin: 22px 0; }
.chat-gate input {
  flex: 1 1 250px; padding: 13px 16px; font-size: 1rem; font-family: var(--sans);
  border-radius: var(--radius-sm); border: 1px solid var(--line);
  background: var(--bg-raised); color: var(--ink);
}
.chat-gate button, .chat-form button {
  background: var(--accent); color: #fff; border: 0; border-radius: var(--radius-sm);
  padding: 13px 24px; font-size: .98rem; font-weight: 700; font-family: var(--sans); cursor: pointer;
  box-shadow: 0 6px 18px -6px var(--accent);
  transition: background .18s var(--ease), transform .18s var(--ease);
}
[data-theme="dark"] .chat-gate button, [data-theme="dark"] .chat-form button { color: #06130d; }
.chat-gate button:hover, .chat-form button:hover { background: var(--accent-strong); transform: translateY(-1px); }
.chat-gate .protocol-note { flex-basis: 100%; }

.chat-ui { margin-top: 12px; }
.chat-messages {
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius);
  min-height: 280px; max-height: 500px; overflow-y: auto; padding: 20px;
  display: flex; flex-direction: column; gap: 12px; box-shadow: var(--card-shadow);
}
.msg { max-width: 85%; padding: 11px 15px; border-radius: 14px; font-size: .95rem; white-space: pre-wrap; }
.msg.user { align-self: flex-end; background: var(--primary); color: #fff; border-bottom-right-radius: 4px; }
[data-theme="dark"] .msg.user { color: #06171b; }
.msg.model { align-self: flex-start; background: var(--bg-sunken); border-bottom-left-radius: 4px; }
.msg.err { align-self: center; background: var(--danger-soft); color: var(--danger); font-size: .85rem; }
.chat-form { display: flex; gap: 10px; margin-top: 14px; }
.chat-form input {
  flex: 1; padding: 13px 16px; font-size: 1rem; font-family: var(--sans);
  border-radius: var(--radius-sm); border: 1px solid var(--line);
  background: var(--bg-raised); color: var(--ink);
}

/* ---------- supply builder ---------- */
.doc-wide { max-width: 900px; }
.builder { margin-top: 22px; }
.builder-controls {
  display: flex; gap: 22px; flex-wrap: wrap; align-items: flex-end;
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 22px; box-shadow: var(--card-shadow);
}
.builder-label { font-size: .8rem; font-weight: 720; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-3); display: block; }
.builder-select {
  display: block; margin-top: 8px; padding: 11px 14px; font-size: 1rem; font-weight: 650;
  font-family: var(--sans); color: var(--ink); background: var(--bg-sunken);
  border: 1px solid var(--line); border-radius: var(--radius-sm); min-width: 260px; cursor: pointer;
}
.seg-wrap { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.seg {
  padding: 10px 16px; font-size: .88rem; font-weight: 680; font-family: var(--sans);
  color: var(--ink-2); background: var(--bg-sunken); border: 1px solid var(--line);
  border-radius: var(--radius-sm); cursor: pointer; transition: all .15s var(--ease);
}
.seg:hover { border-color: var(--line-strong); color: var(--ink); }
.seg.on { background: var(--accent); border-color: transparent; color: #fff; }
[data-theme="dark"] .seg.on { color: #06130d; }

.tiers { display: grid; gap: 16px; margin-top: 18px; }
.tier {
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; box-shadow: var(--card-shadow);
}
.tier h3 { margin: 0 0 2px; }
.tier-tag {
  font-family: var(--display); font-stretch: 110%; text-transform: uppercase;
  font-size: .92rem; letter-spacing: .04em;
}
.tier-foundation { color: var(--accent); }
.tier-specific { color: var(--primary); }
.tier-optimal { color: var(--warm); }
.tier-blurb { margin: 0 0 12px; font-size: .86rem; color: var(--ink-3); }
.pick {
  display: flex; align-items: center; gap: 12px; padding: 9px 10px; border-radius: var(--radius-sm);
  cursor: pointer; transition: background .15s var(--ease);
}
.pick:hover { background: var(--bg-sunken); }
.pick input { width: 17px; height: 17px; accent-color: var(--accent); cursor: pointer; flex: none; }
.pick-name { font-weight: 680; font-size: .95rem; }
.pick-dose { margin-left: auto; font-size: .82rem; color: var(--ink-3); text-align: right; }

.supply-out { margin-top: 22px; }
.supply-title { font-family: var(--display); font-stretch: 110%; text-transform: uppercase; font-size: 1.15rem; }
.supply-table-wrap { overflow-x: auto; }
.supply-table {
  width: 100%; border-collapse: collapse; background: var(--bg-raised);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--card-shadow); font-size: .92rem;
}
.supply-table th {
  text-align: left; padding: 11px 14px; background: var(--bg-sunken); color: var(--ink-3);
  font-size: .72rem; text-transform: uppercase; letter-spacing: .1em;
}
.supply-table td { padding: 11px 14px; border-top: 1px solid var(--line); }
.supply-table b { color: var(--accent); }
.supply-table .spare { color: var(--ink-3); font-size: .84rem; }
.supply-total { font-size: 1rem; font-weight: 650; margin-top: 16px; }
.nudge {
  background: var(--accent-soft); border-left: 3px solid var(--accent);
  padding: 10px 16px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: .92rem; margin: 10px 0;
}

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line); background: var(--bg-raised);
  padding: 34px clamp(16px, 4vw, 44px) 40px; font-size: .8rem; color: var(--ink-3);
}
.site-footer .disclaimer { max-width: 880px; line-height: 1.7; }
.site-footer a { color: var(--ink-2); font-weight: 600; }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s var(--ease), transform .5s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.grid > .reveal:nth-child(2), .steps > .reveal:nth-child(2), .audience-picker > .reveal:nth-child(2) { transition-delay: .06s; }
.grid > .reveal:nth-child(3), .steps > .reveal:nth-child(3) { transition-delay: .12s; }
.grid > .reveal:nth-child(4), .steps > .reveal:nth-child(4) { transition-delay: .18s; }
.grid > .reveal:nth-child(5) { transition-delay: .24s; }
.grid > .reveal:nth-child(6) { transition-delay: .3s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 680px) {
  .site-header { flex-wrap: wrap; }
  .site-header nav { width: 100%; justify-content: flex-start; }
  .hero { padding-top: 40px; }
  .hero-stats { gap: 22px; padding: 12px 0; }
}

/* ---------- supply builder v3: starter path, reorder, protocol card ---------- */
.starter-strip { background: var(--bg-raised); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin: 0 0 14px; font-size: .92em; line-height: 1.5; }
.starter-strip .seg { margin-left: 8px; }
.starter-tag { font-size: .7em; text-transform: uppercase; letter-spacing: .06em; border: 1px solid currentColor; border-radius: 4px; padding: 1px 5px; margin-left: 6px; opacity: .75; }
.reorder-line { margin: 10px 0 0; font-size: .95em; }
.supply-actions { display: flex; gap: 10px; margin: 14px 0 6px; flex-wrap: wrap; }
.email-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 10px 0 4px; }
.email-row input[type=email] { flex: 1 1 220px; min-width: 200px; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--line-strong); background: transparent; color: inherit; }
.email-note { font-size: .85em; opacity: .8; flex-basis: 100%; }
.protocol-card { display: none; margin-top: 18px; }
.protocol-card.open { display: block; }
.protocol-card .card-inner { border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; }
.protocol-card h4 { margin: 16px 0 6px; }
.card-dates { opacity: .8; font-size: .92em; margin-top: -6px; }

@media print {
  .site-header, .site-footer, .draft-banner, .builder-controls, .tiers, #supplyOut,
  .doc > .eyebrow, .doc > h1, .doc > .lede, .theme-toggle, .supply-actions { display: none !important; }
  .protocol-card { display: block !important; }
  .protocol-card .card-inner { border: none; padding: 0; }
  body { background: #fff !important; color: #000 !important; }
  a { color: #000 !important; text-decoration: none; }
}

/* ---------- /start quiz ---------- */
.quiz-invite { text-align: center; margin: 18px 0 0; font-size: 1.05em; }
.gym-welcome { text-align: center; font-weight: 600; border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; }
.quiz-progress { text-transform: uppercase; letter-spacing: .08em; font-size: .78em; opacity: .7; margin-bottom: 4px; }
.quiz-hint { font-size: .92em; opacity: .85; }
.quiz-opts { display: grid; gap: 10px; margin: 16px 0; }
.quiz-opt { text-align: left; padding: 14px 16px; border-radius: 10px; border: 1px solid var(--line-strong); background: var(--bg-raised); color: inherit; font-size: 1em; cursor: pointer; }
.quiz-opt:hover { border-color: currentColor; }
.quiz-back { background: none; border: none; color: inherit; opacity: .7; cursor: pointer; padding: 6px 0; }
.quiz-chips .chip { margin: 2px; }
.quiz-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 18px 0; }
.quiz-cta { display: inline-block; padding: 12px 18px; border-radius: 10px; background: linear-gradient(120deg, #0b7285, #0e8a5f); color: #fff !important; font-weight: 600; text-decoration: none; }
.quiz-cta-alt { background: none; border: 1px solid var(--line-strong); color: inherit !important; }

/* ---------- wall charts ---------- */
.chart-list { font-size: 1.1em; line-height: 2; }
.wallchart .chart-title { font-size: 2.2em; margin: 8px 0 4px; }
.chart-tier { margin: 22px 0 8px; font-size: 1.15em; }
.chart-table td:last-child { text-align: right; white-space: nowrap; }
.chart-foot { margin-top: 24px; font-size: 1.05em; }
@media print {
  .wallchart .no-print, .wallchart .crumb { display: none !important; }
  .wallchart { max-width: none; }
  .wallchart .chart-title { font-size: 2.6em; }
}

/* ---------- protocol instructions view ---------- */
.protocol-instructions { display: none; margin-top: 18px; border-top: 1px solid var(--line); padding-top: 6px; }
.protocol-instructions.open { display: block; }
.instr-block { margin: 14px 0; }
.instr-block h5 { margin: 0 0 6px; font-size: 1rem; }
.instr-block ul { margin: 0; padding-left: 20px; }
.instr-block li { margin: 5px 0; }
@media print { .protocol-instructions.open { display: block !important; } }

/* ---------- guide diagrams + tracks + next-step ---------- */
.diagram { display: block; max-width: 100%; height: auto; margin: 18px auto; color: var(--ink-2); }
.diagram-narrow { max-width: 420px; }
.track { margin-top: 40px; }
.track h2 { margin-bottom: 4px; }
.next-step { border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px 6px; margin: 30px 0 10px; background: var(--bg-raised); }
.bodymap { max-width: 420px; margin: 10px 0 18px; }
@media print { .next-step { display: none !important; } .bodymap { break-inside: avoid; } }

/* ---------- add-on compounds panel ---------- */
.tier-extras { margin-top: 14px; }
.extras-btn { font-weight: 650; }
.extras-panel { display: none; margin-top: 12px; border: 1px dashed var(--line-strong); border-radius: 10px; padding: 10px 14px; }
.extras-panel.open { display: block; }

/* ---------- chat legal line ---------- */
.chat-legal { font-size: .78rem; opacity: .7; margin: 8px 0 0; }

/* ---------- home start-hub (function router) ---------- */
.start-hub { margin-top: 46px; }
.paths { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 22px; }
@media (max-width: 940px) { .paths { grid-template-columns: 1fr; } }
.path-card {
  position: relative; display: flex; flex-direction: column; gap: 6px;
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 22px 20px; color: var(--ink); box-shadow: var(--card-shadow);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.path-card:hover { transform: translateY(-3px); box-shadow: var(--card-shadow-hover); border-color: var(--line-strong); color: var(--ink); }
.path-num {
  font-family: var(--display); font-stretch: 118%; font-size: .78rem; font-weight: 780;
  text-transform: uppercase; letter-spacing: .14em; color: var(--primary);
}
.path-card h3 { margin: 2px 0 2px; font-size: 1.12rem; }
.path-card p { margin: 0 0 10px; color: var(--ink-2); font-size: .93rem; }
.path-card .cta { color: var(--accent); font-weight: 700; font-size: .92rem; margin-top: auto; }
.planner-banner {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  margin-top: 18px; padding: 22px 26px; border-radius: var(--radius);
  background: linear-gradient(120deg, var(--primary-soft), var(--accent-soft));
  border: 1px solid var(--line); color: var(--ink); box-shadow: var(--card-shadow);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}
.planner-banner:hover { transform: translateY(-2px); box-shadow: var(--card-shadow-hover); color: var(--ink); }
.planner-banner .pb-icon {
  width: 48px; height: 48px; border-radius: 12px; flex: none;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent); color: #fff;
}
[data-theme="dark"] .planner-banner .pb-icon { color: #06130d; }
.planner-banner h3 { margin: 0 0 2px; font-size: 1.18rem; }
.planner-banner p { margin: 0; color: var(--ink-2); font-size: .94rem; max-width: 62ch; }
.planner-banner .cta { margin-left: auto; color: var(--accent); font-weight: 750; white-space: nowrap; }
.tool-rail { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.tool-rail a {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .88rem; font-weight: 680; color: var(--ink-2);
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: 999px;
  padding: 9px 16px; box-shadow: var(--card-shadow);
  transition: border-color .18s var(--ease), color .18s var(--ease), transform .18s var(--ease);
}
.tool-rail a:hover { border-color: var(--line-strong); color: var(--ink); transform: translateY(-1px); }
.tool-rail svg { color: var(--accent); }

/* ---------- the Planner (guided wizard) ---------- */
.planner-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 26px; align-items: start; margin-top: 22px; }
@media (max-width: 980px) { .planner-layout { grid-template-columns: 1fr; } }
.plan-main { min-width: 0; }
.plan-aside {
  position: sticky; top: 78px;
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 18px 16px; box-shadow: var(--card-shadow);
}
@media (max-width: 980px) { .plan-aside { position: static; } }
.plan-aside h3 { margin: 0 0 4px; display: flex; align-items: center; gap: 8px; }
.plan-aside h3 svg { color: var(--accent); }
.plan-aside .tier-blurb { margin-bottom: 10px; }
.plan-aside .chat-messages { min-height: 180px; max-height: 320px; padding: 14px; }
.plan-aside .chat-gate { margin: 10px 0; }
.plan-aside .chat-gate input { flex-basis: 100%; }
.ai-suggest { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.ai-suggest button {
  text-align: left; font-size: .84rem; font-weight: 600; font-family: var(--sans);
  color: var(--primary); background: var(--primary-soft); border: 0; border-radius: 8px;
  padding: 8px 12px; cursor: pointer; transition: filter .15s var(--ease);
}
.ai-suggest button:hover { filter: brightness(.96); }
.plan-progress { display: flex; gap: 8px; margin: 4px 0 18px; }
.plan-progress span {
  flex: 1; height: 4px; border-radius: 4px; background: var(--line);
}
.plan-progress span.done { background: var(--accent); }
.plan-step-label { text-transform: uppercase; letter-spacing: .1em; font-size: .74rem; font-weight: 740; color: var(--ink-3); margin: 0 0 4px; }
.plan-list { display: grid; gap: 10px; margin: 16px 0; }
.plan-item {
  display: flex; align-items: center; gap: 12px; text-align: left; width: 100%;
  padding: 13px 16px; border-radius: 10px; border: 1px solid var(--line-strong);
  background: var(--bg-raised); color: inherit; font-size: .97rem; font-family: var(--sans); cursor: pointer;
  transition: border-color .15s var(--ease), background .15s var(--ease);
}
.plan-item:hover { border-color: currentColor; }
.plan-item.on { border-color: var(--accent); background: var(--accent-soft); }
.plan-item .pi-aud { font-size: .72rem; text-transform: uppercase; letter-spacing: .07em; color: var(--warm); font-weight: 720; display: block; }
.plan-item b { font-weight: 700; }
.plan-item .pi-count { margin-left: auto; font-size: .8rem; color: var(--ink-3); white-space: nowrap; }
.plan-group-label { margin: 14px 0 2px; font-size: .78rem; font-weight: 740; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-3); }
.info-panel {
  border-left: 3px solid var(--primary); background: var(--primary-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 14px 18px; margin: 14px 0; font-size: .93rem; line-height: 1.6;
}
.info-panel h4 { margin: 0 0 4px; }
.info-panel p { margin: 0 0 8px; }
.info-panel a { font-weight: 680; }
.guide-box {
  border: 1px dashed var(--line-strong); border-radius: 10px; padding: 12px 16px; margin: 16px 0;
  font-size: .9rem;
}
.guide-box b { display: block; margin-bottom: 4px; }
.plan-nav { display: flex; gap: 12px; align-items: center; margin-top: 22px; flex-wrap: wrap; }
.plan-note { font-size: .85rem; color: var(--ink-3); margin-top: 10px; }
#plannerBuild[hidden] { display: none; }
@media print {
  /* printing from the Planner = the protocol card only, same promise as /supply-builder */
  .plan-aside, .plan-note, .plan-nav, #planner,
  #plannerBuild > .plan-step-label, #plannerBuild > h2, #plannerBuild > .tier-blurb { display: none !important; }
  .planner-layout { display: block; }
}

/* ---------- two-stage builder output: supply → protocol card ---------- */
.stage-head { margin: 26px 0 14px; }
.stage-head .supply-title { margin: 8px 0 2px; }
.stage-num {
  display: inline-block; font-family: var(--display); font-stretch: 112%;
  font-size: .74rem; font-weight: 800; text-transform: uppercase; letter-spacing: .14em;
  color: #fff; background: var(--primary); padding: 4px 12px; border-radius: 999px;
}
.stage-num-2 { background: var(--accent); }
[data-theme="dark"] .stage-num { color: #06171b; }
[data-theme="dark"] .stage-num-2 { color: #06130d; }
.stage-blurb { margin: 4px 0 0; color: var(--ink-2); font-size: .95rem; max-width: 70ch; }
.stage-protocol { margin-top: 40px; padding-top: 24px; border-top: 3px solid var(--accent); }
button.quiz-cta { border: 0; cursor: pointer; font-family: var(--sans); font-size: .95rem; }
button.quiz-cta-alt { border: 1px solid var(--line-strong); }
@media print { .stage-head, .supply-actions { display: none !important; } }

/* ---------- planner aside chat: full-width input, send below-right ---------- */
.plan-aside .chat-form { flex-direction: column; align-items: stretch; }
.plan-aside .chat-form input { width: 100%; }
.plan-aside .chat-form button { align-self: flex-end; }