:root {
  color-scheme: light;
  --bg: #f7f1e7;
  --surface: #fffaf0;
  --surface-strong: #ffffff;
  --text: #16231f;
  --muted: #5e6a63;
  --line: #d9cfbd;
  --accent: #246b55;
  --accent-strong: #174c3b;
  --accent-soft: #dcefe6;
  --gold: #b16d2a;
  --shadow: 0 18px 55px rgba(23, 42, 35, 0.11);
  --radius: 22px;
  --max: 1180px;
  --focus: 3px solid #b16d2a;
}

body[data-branch-theme="core"], .theme-core, .theme-fire { --accent: #b5482f; --accent-strong: #7e281b; --accent-soft: #f6dfd6; --gold: #d07a2d; }
body[data-branch-theme="studios"], .theme-studios { --accent: #bb5b35; --accent-strong: #7c2f1d; --accent-soft: #fae4d9; --gold: #cf8b36; }
body[data-branch-theme="companion"], .theme-companion, .theme-water { --accent: #2f6f8f; --accent-strong: #1b4f68; --accent-soft: #dcedf5; --gold: #6f8ed0; }
body[data-branch-theme="nourish"], body[data-branch-theme="aether"], .theme-nourish, .theme-renew, .theme-aether { --accent: #7757ad; --accent-strong: #503878; --accent-soft: #ece5f7; --gold: #b779c8; }
body[data-branch-theme="archives"], .theme-archives { --accent: #c15f2c; --accent-strong: #7d3419; --accent-soft: #f8e2d4; --gold: #cc8d2e; }
body[data-branch-theme="haven"], body[data-branch-theme="anchor"], .theme-haven, .theme-anchor, .theme-earth { --accent: #4f7d3a; --accent-strong: #2f551e; --accent-soft: #e4f0d6; --gold: #9c6a2f; }
body[data-branch-theme="aegis"], body[data-branch-theme="reform"], .theme-aegis, .theme-reform, .theme-air { --accent: #5d7d87; --accent-strong: #345c66; --accent-soft: #e3eef0; --gold: #9d8f55; }
body[data-branch-theme="connect"], .theme-connect, body[data-branch-theme="branches"], .theme-branches, body[data-branch-theme="lore"], .theme-lore { --accent: #5f6470; --accent-strong: #343842; --accent-soft: #e8e8ec; --gold: #9f6d2f; }

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d1412;
  --surface: #141d1a;
  --surface-strong: #1d2925;
  --text: #f4efe4;
  --muted: #bac8c0;
  --line: #31433d;
  --accent: #7dd3b0;
  --accent-strong: #a1e7c9;
  --accent-soft: #173d32;
  --gold: #e0a85f;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--accent) 16%, transparent), transparent 32rem),
    radial-gradient(circle at 90% 8%, color-mix(in srgb, var(--gold) 14%, transparent), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: Atkinson Hyperlegible, Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a { color: inherit; }
p { margin: 0; }
button, input { font: inherit; }

.skip-link { position: absolute; top: -100px; left: 1rem; z-index: 1000; padding: 0.75rem 1rem; background: var(--text); color: var(--bg); border-radius: 999px; }
.skip-link:focus { top: 1rem; outline: var(--focus); }

.site-header { position: sticky; top: 0; z-index: 100; background: color-mix(in srgb, var(--bg) 90%, transparent); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); }
.header-inner, .hero, .section, .site-footer { width: min(var(--max), calc(100% - 2rem)); margin-inline: auto; }
.header-inner { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: 0.8rem; text-decoration: none; }
.brand-mark { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 15px; background: linear-gradient(145deg, var(--accent), var(--gold)); color: #fff; font-weight: 900; letter-spacing: -0.06em; }
.brand strong, .brand small { display: block; }
.brand small { color: var(--muted); font-size: 0.78rem; }
.site-nav { display: flex; align-items: center; gap: 0.35rem; }
.site-nav a, .menu-toggle, .theme-toggle, .button { border: 1px solid transparent; border-radius: 999px; text-decoration: none; transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease; }
.site-nav a, .menu-toggle, .theme-toggle { padding: 0.62rem 0.86rem; background: transparent; color: var(--muted); cursor: pointer; }
.site-nav a:hover, .theme-toggle:hover, .menu-toggle:hover { color: var(--text); border-color: var(--line); background: var(--surface); }
.menu-toggle { display: none; }

.hero { min-height: 560px; display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.55fr); align-items: center; gap: 2rem; padding: 4.2rem 0 3rem; }
.hero-content { max-width: 880px; }
.eyebrow, .panel-label, .label { margin-bottom: 0.85rem; color: var(--gold); font-size: 0.78rem; font-weight: 850; letter-spacing: 0.14em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -0.045em; }
h1 { font-size: clamp(2.75rem, 6.6vw, 5.75rem); }
h2 { font-size: clamp(1.9rem, 3.7vw, 3.35rem); }
h3 { font-size: 1.2rem; }
.hero-text, .section-intro { color: var(--muted); font-size: clamp(1.04rem, 1.6vw, 1.22rem); }
.hero-text { max-width: 62ch; margin-top: 1.2rem; }
.secondary-text, .section-intro.subtle { margin-top: 0.8rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.8rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0.72rem 1.05rem; font-weight: 850; cursor: pointer; }
.button.primary { background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 72%, var(--gold))); color: #fff; box-shadow: 0 12px 28px color-mix(in srgb, var(--accent) 22%, transparent); }
[data-theme="dark"] .button.primary { color: #07100d; }
.button.secondary { border-color: color-mix(in srgb, var(--accent) 30%, var(--line)); background: color-mix(in srgb, var(--surface) 88%, var(--accent-soft)); color: var(--text); }
.button:hover, .site-nav a:hover, .callout-card:hover, .product-tab:hover { transform: translateY(-1px); }
.button:hover { box-shadow: 0 14px 32px color-mix(in srgb, var(--accent) 20%, transparent); }

.hero-panel, .info-card, .branch-card, .form-panel, .check-card, .callout-card, .product-panel, .product-tab { border: 1px solid var(--line); border-radius: var(--radius); background: color-mix(in srgb, var(--surface) 94%, transparent); box-shadow: var(--shadow); }
.hero-panel { padding: 1.6rem; font-size: 1.1rem; font-weight: 750; background: linear-gradient(145deg, color-mix(in srgb, var(--accent-soft) 82%, transparent), color-mix(in srgb, var(--surface) 94%, transparent)), var(--surface); }

.section { padding: 4.25rem 0; border-top: 1px solid var(--line); }
.section-heading { max-width: 820px; margin-bottom: 1.6rem; }
.section-intro { margin-top: 0.9rem; }

.card-grid, .branch-grid, .callout-grid { display: grid; gap: 1rem; }
.card-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.branch-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.callout-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.info-card, .branch-card, .check-card, .callout-card { padding: 1.25rem; }
.info-card, .branch-card, .callout-card { display: grid; align-content: start; gap: 0.8rem; min-height: 205px; background: linear-gradient(145deg, color-mix(in srgb, var(--accent-soft) 82%, transparent), color-mix(in srgb, var(--surface) 94%, transparent)), var(--surface); }
.branch-card, .callout-card { text-decoration: none; }
.branch-card:hover, .callout-card:hover { border-color: var(--accent); }
.callout-card { position: relative; overflow: hidden; isolation: isolate; }
.callout-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 5px; background: linear-gradient(90deg, var(--accent), var(--gold)); opacity: 0.9; }
.callout-card::after { content: "→"; position: absolute; right: 1.15rem; bottom: 1rem; color: var(--accent); font-size: 1.25rem; font-weight: 900; opacity: 0.7; }
.callout-card strong { max-width: 90%; font-size: 1.28rem; line-height: 1.08; letter-spacing: -0.035em; }
.info-card p, .branch-card p, .check-card p, .form-panel p, .site-footer p, .callout-card p, .product-panel p, .product-panel li, .product-tab small { color: var(--muted); }

.product-selector { display: grid; grid-template-columns: minmax(0, 0.42fr) minmax(0, 0.58fr); gap: 1.15rem; align-items: stretch; }
.product-tabs { display: grid; gap: 0.55rem; align-content: start; padding: 0.55rem; border: 1px solid var(--line); border-radius: calc(var(--radius) + 8px); background: color-mix(in srgb, var(--surface) 76%, var(--accent-soft)); box-shadow: inset 0 1px 0 color-mix(in srgb, #fff 45%, transparent); }
.product-tab { width: 100%; min-height: 86px; padding: 0.95rem 1rem; text-align: left; cursor: pointer; color: var(--text); border-radius: 20px; border: 1px solid transparent; box-shadow: none; background: transparent; display: grid; align-content: center; position: relative; overflow: hidden; }
.product-tab::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: linear-gradient(180deg, var(--accent), var(--gold)); opacity: 0; transition: opacity 160ms ease; }
.product-tab span, .product-tab small { display: block; position: relative; z-index: 1; }
.product-tab span { font-weight: 950; font-size: 1.05rem; letter-spacing: -0.025em; }
.product-tab small { margin-top: 0.25rem; font-size: 0.85rem; }
.product-tab:hover { background: color-mix(in srgb, var(--surface) 82%, var(--accent-soft)); border-color: color-mix(in srgb, var(--accent) 24%, transparent); }
.product-tab.active { background: var(--surface-strong); border-color: color-mix(in srgb, var(--accent) 36%, var(--line)); box-shadow: 0 14px 34px color-mix(in srgb, var(--accent) 13%, transparent); }
.product-tab.active::before { opacity: 1; }
.product-panel { min-height: 420px; padding: clamp(1.35rem, 3vw, 2rem); background: linear-gradient(145deg, color-mix(in srgb, var(--surface-strong) 76%, var(--accent-soft)), color-mix(in srgb, var(--surface) 96%, transparent)), var(--surface); position: relative; overflow: hidden; }
.product-panel::before { content: ""; position: absolute; width: 220px; height: 220px; right: -70px; top: -80px; border-radius: 999px; background: radial-gradient(circle, color-mix(in srgb, var(--accent) 18%, transparent), transparent 66%); pointer-events: none; }
.product-panel h3 { position: relative; max-width: 78%; font-size: clamp(1.9rem, 3.4vw, 3.25rem); }
.product-panel p { position: relative; margin-top: 0.85rem; max-width: 64ch; font-size: 1.08rem; }
.product-panel ul { position: relative; margin: 1.25rem 0 1.35rem; padding-left: 1.2rem; }
.product-panel li + li { margin-top: 0.58rem; }
.product-panel .button { position: relative; }
.product-panel[hidden] { display: none; }

.meta-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.meta-row.compact { margin-top: auto; }
.meta-row span { flex: 0 0 auto; border: 1px solid var(--line); border-radius: 999px; padding: 0.25rem 0.52rem; background: var(--accent-soft); color: var(--accent-strong); font-size: 0.76rem; font-weight: 850; }
.aspect-strip { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.aspect-strip span { border: 1px solid var(--line); border-radius: 999px; padding: 0.8rem 1rem; background: var(--accent-soft); color: var(--accent-strong); font-weight: 850; }
.check-card ul { margin: 1rem 0 0; padding-left: 1.2rem; color: var(--muted); }
.form-panel { margin-top: 1rem; padding: 1.35rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; background: linear-gradient(145deg, color-mix(in srgb, var(--accent-soft) 82%, transparent), color-mix(in srgb, var(--surface) 94%, transparent)), var(--surface); }
.site-footer { display: flex; justify-content: space-between; gap: 1rem; padding: 2.6rem 0; border-top: 1px solid var(--line); }
:focus-visible { outline: var(--focus); outline-offset: 3px; }

@media (max-width: 980px) {
  .hero, .product-selector { grid-template-columns: 1fr; min-height: auto; }
  .card-grid, .branch-grid, .callout-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .menu-toggle { display: inline-flex; }
  .site-nav { position: fixed; inset: 70px 1rem auto 1rem; display: none; flex-direction: column; align-items: stretch; padding: 1rem; border: 1px solid var(--line); border-radius: 20px; background: var(--surface-strong); box-shadow: var(--shadow); }
  .site-nav.open { display: flex; }
  .site-nav a, .theme-toggle { width: 100%; text-align: left; }
}

@media (max-width: 620px) {
  .header-inner, .hero, .section, .site-footer { width: min(var(--max), calc(100% - 1.2rem)); }
  .hero { padding-top: 2.8rem; }
  .card-grid, .branch-grid, .callout-grid, .product-tabs { grid-template-columns: 1fr; }
  .product-tab { min-height: 74px; }
  .product-panel { min-height: auto; }
  .product-panel h3 { max-width: 100%; }
  .form-panel, .site-footer { flex-direction: column; align-items: flex-start; }
  h1 { font-size: clamp(2.35rem, 13vw, 4.05rem); }
}