@font-face {
  font-family: Manrope;
  src: url("/assets/Manrope-Variable.ttf") format("truetype");
  font-weight: 200 800;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --canvas: #111214;
  --surface: #1b1c1f;
  --surface-soft: #252629;
  --ink: #f4f4f5;
  --muted: #c3c3c8;
  --muted-soft: #abacb3;
  --line: #393a3f;
  --line-strong: #5a5b63;
  --accent: #f2f2f3;
  --on-accent: #191a1d;
  --success: #7be2b1;
  --warning: #ffce70;
  --radius: 18px;
  --max-width: 1120px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 400 1rem / 1.65 Manrope, system-ui, sans-serif;
}
a { color: inherit; text-underline-offset: .22em; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.shell, .policy { width: min(calc(100% - 40px), var(--max-width)); margin-inline: auto; }

.site-header { border-bottom: 1px solid var(--line); }
.site-header .shell, .site-footer .shell {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
}
.brand { display: block; flex: 0 0 auto; }
.brand img { display: block; width: 158px; height: auto; }
.nav, .site-footer nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 24px;
  color: var(--muted);
  font-size: .875rem;
  font-weight: 700;
}
.nav a { display: flex; align-items: center; min-height: 44px; text-decoration: none; }
.nav a:hover, .nav [aria-current="page"] { color: var(--ink); text-decoration: underline; }

h1, h2, h3, .preview-title { line-height: 1.13; letter-spacing: -.04em; font-weight: 800; }
h1, h2, h3 { margin: 0; }
.eyebrow {
  margin: 0 0 14px;
  color: var(--muted-soft);
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.hero { padding: clamp(54px, 8vw, 108px) 0; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr .88fr;
  align-items: center;
  gap: clamp(40px, 8vw, 96px);
}
.hero h1 { font-size: clamp(2.55rem, 6vw, 5.2rem); line-height: .99; letter-spacing: -.07em; }
.hero-copy, .page-hero p:not(.eyebrow) {
  max-width: 39rem;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 8px 17px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: var(--surface);
  font-size: .875rem;
  font-weight: 800;
  text-decoration: none;
}
.button:hover { background: var(--surface-soft); }
.button.primary { border-color: var(--accent); background: var(--accent); color: var(--on-accent); }
.button.primary:hover { background: #d2d2d6; }
.hero-note { margin: 16px 0 0; color: var(--muted-soft); font-size: .85rem; }

.workout-preview {
  margin: 0;
  padding: clamp(14px, 3vw, 24px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
}
.preview-heading { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.preview-heading img { border-radius: 11px; }
.preview-heading .eyebrow, .preview-exercise .eyebrow { margin-bottom: 4px; font-size: .65rem; }
.preview-title { margin: 0; font-size: 1.3rem; }
.status {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  color: var(--success);
  font-size: .72rem;
  font-weight: 800;
  white-space: nowrap;
}
.status span { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.preview-exercise {
  padding: clamp(12px, 2vw, 18px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--canvas);
}
.set-table { width: 100%; margin-top: 12px; border-collapse: collapse; font-size: .875rem; font-variant-numeric: tabular-nums; }
.set-table th, .set-table td { padding: 9px 5px; border-bottom: 1px solid var(--line); text-align: left; }
.set-table thead th { color: var(--muted-soft); font-size: .72rem; font-weight: 700; }
.set-table .next-set { background: var(--surface-soft); }
.set-table .next-set > * { border-bottom: 0; }
.set-table .next-set th { border-radius: 6px 0 0 6px; }
.set-table .next-set td:last-child { border-radius: 0 6px 6px 0; }
.set-done { color: var(--success); }
.workout-preview figcaption { margin-top: 12px; color: var(--muted-soft); font-size: .75rem; }

.features { padding: 64px 0 80px; border-top: 1px solid var(--line); }
.section-heading { max-width: 38rem; margin-bottom: 28px; }
.section-heading h2 { font-size: clamp(1.85rem, 4vw, 3rem); }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.feature, .help-panel, .builder-guide { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.builder-guide {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px 28px;
  margin-bottom: 14px;
}
.builder-guide-primary { border-color: var(--line-strong); background: var(--surface-soft); scroll-margin-top: 20px; }
.builder-guide h3 { font-size: 1.3rem; }
.builder-guide-primary h3 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
.builder-guide .eyebrow { margin-bottom: 8px; }
.builder-guide p:not(.eyebrow) { margin: 8px 0 0; color: var(--muted); }
.builder-guide ol { margin: 0; padding-left: 1.4em; color: var(--muted); }
.builder-guide li { padding-left: 4px; }
.builder-guide li + li { margin-top: 8px; }
.builder-guide strong { color: var(--ink); }
.feature h3, .help-panel h2 { font-size: 1.3rem; }
.feature p, .help-panel p { margin: 8px 0 0; color: var(--muted); }
.feature-links { display: flex; flex-wrap: wrap; gap: 4px 12px; }
.feature-link { display: inline-block; margin-top: 14px; color: var(--ink); font-size: .875rem; font-weight: 700; }
.feature-link:hover { text-decoration-thickness: 2px; }
.import-prompt { margin: 14px 0 0; padding-left: 12px; border-left: 2px solid var(--line-strong); color: var(--muted); font-size: .9rem; }
.help-panel .eyebrow { margin: 0 0 8px; color: var(--muted-soft); }
.help-panel { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 28px; }
.help-panel .button { flex-shrink: 0; }

.page-hero { padding: 62px 0 36px; border-bottom: 1px solid var(--line); }
.page-hero h1 { max-width: 46rem; font-size: clamp(2.5rem, 6.2vw, 4.65rem); }
.policy { --max-width: 760px; padding-block: 42px 76px; }
.prose h2 { margin: 36px 0 12px; font-size: 1.55rem; }
.prose h3 { margin: 28px 0 10px; font-size: 1.25rem; }
.prose > :first-child { margin-top: 0; }
.prose p, .prose li { color: var(--muted); }
.prose strong, .prose a { color: var(--ink); }
.prose ul, .prose ol { padding-left: 24px; }
.prose li + li { margin-top: 8px; }
.prose .callout, .prose .markdown-alert, .prose blockquote {
  margin: 24px 0;
  padding: 16px 20px;
  border-left: 3px solid var(--muted-soft);
  border-radius: 0 12px 12px 0;
  background: var(--surface);
}
.prose .callout p { margin: 0; }
.prose .markdown-alert p { margin: 0; }
.prose .markdown-alert .markdown-alert-title { margin-bottom: 4px; color: var(--ink); font-weight: 800; }
.prose .markdown-alert-warning { border-color: var(--warning); }
.prose .markdown-alert-warning .markdown-alert-title { color: var(--warning); }
.prose img { display: block; max-width: 100%; height: auto; border-radius: 12px; }
.prose pre { overflow-x: auto; padding: 14px; background: var(--surface); }
.prose table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; }
.prose th, .prose td { padding: 8px 12px; border: 1px solid var(--line); }

.site-footer { border-top: 1px solid var(--line); color: var(--muted-soft); font-size: .85rem; }
.site-footer .shell { flex-wrap: wrap; padding-block: 18px; }

@media (max-width: 760px) {
  .shell, .policy { width: min(calc(100% - 32px), var(--max-width)); }
  .site-header .shell { min-height: 64px; gap: 12px; }
  .brand img { width: 126px; }
  .nav, .site-footer nav { column-gap: 16px; }
  .hero-grid, .feature-grid, .builder-guide { grid-template-columns: 1fr; }
  .workout-preview { width: min(100%, 480px); }
  .features { padding-block: 48px 56px; }
  .help-panel { align-items: flex-start; flex-direction: column; }
  .page-hero { padding: 44px 0 28px; }
  .policy { padding-block: 30px 52px; }
}