/* Page layout for the Covi-pi-1 project page. Every colour, space and radius comes from Covi-pi-1 tokens. */
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--cp-page); color: var(--cp-ink); }
.wrap { box-sizing: border-box; width: 100%; max-width: 1120px; margin-inline: auto; padding-inline: var(--cp-space-4); }

/* Light or dark screenshot, following data-theme (system follows the device). */
.only-dark { display: none; }
[data-theme="dark"] .only-dark { display: block; }
[data-theme="dark"] .only-light { display: none; }
@media (prefers-color-scheme: dark) {
  [data-theme="system"] .only-dark { display: block; }
  [data-theme="system"] .only-light { display: none; }
}
img { max-width: 100%; height: auto; display: block; }

.site-head { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--cp-page) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--cp-well-line); }
.site-head__row { display: flex; align-items: center; gap: var(--cp-space-4); min-height: 56px; }
.brand { display: inline-flex; align-items: center; gap: var(--cp-space-2); color: inherit; text-decoration: none; font-weight: 500; }
.brand .cp-grille-block { width: 28px; height: 28px; }
.brand__name { font-size: var(--cp-text-h3); letter-spacing: 0.02em; }
.site-nav { display: flex; gap: var(--cp-space-4); margin-inline-start: auto; }
@media (max-width: 640px) { .site-nav { display: none; } #theme { margin-inline-start: auto; } }

.hero { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: var(--cp-space-12); align-items: center; padding-block: var(--cp-space-16) var(--cp-space-12); }
.hero__text { display: grid; gap: var(--cp-space-4); align-content: start; }
.hero__text .cp-h1 { margin: 0; font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.05; font-weight: 300; letter-spacing: -0.01em; }
.hero__text .cp-lead { margin: 0; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--cp-space-3); margin-top: var(--cp-space-2); }
.hero__device { margin: 0; border-radius: var(--cp-radius-body); box-shadow: var(--cp-body-shadow); overflow: hidden; }
@media (max-width: 860px) { .hero { grid-template-columns: 1fr; gap: var(--cp-space-8); padding-block: var(--cp-space-8); } }

.readouts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--cp-space-4); padding-block: var(--cp-space-4) var(--cp-space-8); }
@media (max-width: 720px) { .readouts { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.section { padding-block: var(--cp-space-16) 0; }
.section > .cp-label { margin: 0 0 var(--cp-space-2); }
.section > .cp-h2 { margin: 0 0 var(--cp-space-8); max-width: 26ch; font-weight: 300; }
.measure { max-width: 64ch; }

.parts { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--cp-space-4); }
.part { display: grid; gap: var(--cp-space-2); align-content: start; padding: var(--cp-space-6); }
.part .cp-h3, .part .cp-text { margin: 0; }
.part img, .part__demo { margin-top: var(--cp-space-2); }
.part__demo { display: flex; gap: var(--cp-space-3); flex-wrap: wrap; }
.part__demo .cp-grille-block { width: 100%; height: 72px; }

.features { list-style: none; padding: 0; margin: 0 0 var(--cp-space-12); display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--cp-space-4) var(--cp-space-8); }
.features li { padding-inline-start: var(--cp-space-4); border-inline-start: 2px solid var(--cp-well-line); line-height: 1.55; }
.shot { margin: 0 0 var(--cp-space-8); display: grid; gap: var(--cp-space-2); }
.shot img { border-radius: var(--cp-radius-panel); box-shadow: var(--cp-surface-satin-shadow); }
.pair { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--cp-space-8); align-items: start; }
.pair .shot img { background: var(--cp-body); padding: var(--cp-space-4); box-sizing: border-box; }

.steps { list-style: none; padding: 0; margin: 0 0 var(--cp-space-6); display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--cp-space-4); }
.steps li { padding: var(--cp-space-6); display: grid; gap: var(--cp-space-2); align-content: start; }
.steps .cp-h3, .steps .cp-text { margin: 0; }
.step__n { color: var(--cp-ink-muted); }

.credit { display: flex; align-items: center; gap: var(--cp-space-4); padding: var(--cp-space-4) var(--cp-space-6); margin-block: var(--cp-space-4); flex-wrap: wrap; }
.credit code { flex: 1 1 320px; overflow-wrap: anywhere; }

.site-foot { display: flex; align-items: center; gap: var(--cp-space-4); padding-block: var(--cp-space-16) var(--cp-space-8); }
.site-foot .cp-grille-block { width: 48px; height: 24px; flex: none; }
.sr-status { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* Big cards use the satin surface (Covi-pi-1 v2.2 surface rule), not the inset panel well. */
.satin { background: var(--cp-surface-satin); box-shadow: var(--cp-surface-satin-shadow); border-radius: var(--cp-radius-panel); }

/* Built with Covi-pi-1 */
.uses { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--cp-space-6); }
.use { overflow: hidden; display: grid; grid-template-rows: auto 1fr; }
.use > img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top left; border-bottom: 1px solid var(--cp-well-line); }
.use__body { padding: var(--cp-space-6); display: grid; gap: var(--cp-space-2); align-content: start; }
.use__body .cp-h3, .use__body .cp-text { margin: 0; }
.use__mock { aspect-ratio: 16 / 10; padding: var(--cp-space-6); display: grid; grid-template-columns: 1fr auto; gap: var(--cp-space-4); align-items: center; border-bottom: 1px solid var(--cp-well-line); }
.use__states { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--cp-space-2); }

/* Access form */
.access-form { padding: var(--cp-space-6); margin-block: var(--cp-space-6) var(--cp-space-4); display: grid; gap: var(--cp-space-4); }
.fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--cp-space-4); }
.fld { display: grid; gap: var(--cp-space-1); align-content: start; }
.fld--wide { grid-column: 1 / -1; }
.fld--check { grid-template-columns: auto 1fr; align-items: start; gap: var(--cp-space-3); }
.fld--check input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--cp-ink); }
.inp { font: inherit; color: var(--cp-ink); background: var(--cp-page); border: 1px solid var(--cp-well-line); border-radius: var(--cp-radius-key); padding: var(--cp-space-2) var(--cp-space-3); box-shadow: var(--cp-well-shadow); min-height: 44px; box-sizing: border-box; width: 100%; }
textarea.inp { resize: vertical; }
.inp[aria-invalid="true"] { border-color: var(--cp-red-text); }
.err { color: var(--cp-red-text); font-size: var(--cp-text-caption); min-height: 0; }
.err:empty { display: none; }
.muted { color: var(--cp-ink-muted); font-weight: 400; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.row-end { display: flex; justify-content: flex-end; align-items: center; gap: var(--cp-space-4); flex-wrap: wrap; }
.form-msg { margin: 0; margin-inline-end: auto; }

/* Agreement page */
.doc { max-width: 72ch; padding-block: var(--cp-space-12); }
.doc h1 { font-weight: 300; margin: 0 0 var(--cp-space-2); }
.doc h2 { font-weight: 400; margin: var(--cp-space-8) 0 var(--cp-space-3); }
.doc p, .doc li { line-height: 1.65; }
.doc blockquote { margin: var(--cp-space-3) 0; padding: var(--cp-space-3) var(--cp-space-4); border-inline-start: 3px solid var(--cp-well-line); font-family: var(--cp-font-mono); font-size: 0.92em; }