/*
 * Splash page layout. Colours, type, radii and shadows come from the shared
 * tokens (tokens.css) and component shapes from patterns.css. No hex values.
 */

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { min-height: 100vh; display: flex; flex-direction: column; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
[hidden] { display: none !important; }

/* ---------- header ---------- */
.site-header { border-bottom: 1px solid var(--hairline); background: var(--surface); }
.site-header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: var(--space-2); color: var(--ink); text-decoration: none; }
.brand-name { font-weight: var(--weight-semibold); font-size: var(--text-lg); letter-spacing: var(--tracking-h2); }

/* ---------- hero ---------- */
.hero { flex: 1; padding-block: var(--space-7); }
.hero-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-7); align-items: start; }
.hero-copy > .eyebrow { margin: 0 0 var(--space-3); }
.hero-copy h1 { font-size: clamp(2.25rem, 4.4vw, 3.5rem); max-width: 18ch; }
.lead { font-size: var(--text-lg); color: var(--ink-muted); margin: var(--space-4) 0 var(--space-5); max-width: 46ch; }

/* ---------- access card ---------- */
.access-card { padding: var(--space-6); max-width: 480px; }
.form-stack, .sent { display: flex; flex-direction: column; gap: var(--space-4); }
.form-stack > *, .sent > * { margin: 0; }
.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field-error { margin: 0; color: var(--err); font-size: var(--text-sm); font-weight: var(--weight-medium); }
.check { display: flex; align-items: flex-start; gap: var(--space-2); font-size: var(--text-sm); color: var(--ink); cursor: pointer; }
.check input { width: 18px; height: 18px; margin: 2px 0 0; flex: none; accent-color: var(--accent-ink); }
.submit { width: 100%; justify-content: center; }
.submit .arrow { transition: transform var(--motion) var(--ease); }
.submit:hover .arrow { transform: translateX(3px); }
.submit[aria-busy="true"] { cursor: progress; }
.notice-line { margin: 0; font-size: var(--text-sm); color: var(--ink); line-height: var(--leading-body); }
.privacy { margin: 0; line-height: var(--leading-body); }
.storage-note { margin: var(--space-5) 0 0; padding-top: var(--space-4); border-top: 1px solid var(--hairline); }
.turnstile-slot:empty { display: none; }

.notice { margin: 0 0 var(--space-4); padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm); font-size: var(--text-sm); }
.notice-warn { background: var(--warn-soft); color: var(--warn); }
.notice-err { background: var(--err-soft); color: var(--err); }

/* The panel takes focus only so screen readers announce it; the buttons keep their rings. */
.sent:focus, .sent:focus-visible { outline: none; box-shadow: none; }
.sent-title { font-size: var(--text-2xl); }
.sent-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* ---------- preview ---------- */
.preview { margin: 0; padding-top: var(--space-6); }
.preview img { border-radius: var(--radius-lg); border: 1px solid var(--hairline); box-shadow: var(--shadow-md); background: var(--surface); }
.preview figcaption { margin-top: var(--space-3); }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--hairline); padding-block: var(--space-4); background: var(--surface); }
.site-footer p { margin: 0; }

/* ---------- small screens ---------- */
@media (max-width: 900px) {
  .hero { padding-block: var(--space-6); }
  .hero-inner { grid-template-columns: minmax(0, 1fr); gap: var(--space-6); }
  .preview { padding-top: 0; }
  .access-card { max-width: none; }
}
@media (max-width: 480px) {
  .container { padding-inline: var(--space-4); }
  .access-card { padding: var(--space-5); }
  .site-header .badge { display: none; }
}