/* Homepage-specific styles (builds on base.css) */

/* Accessibility: skip link */
.skip-link {
  position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden;
}
.skip-link:focus { left: 16px; top: 16px; width: auto; height: auto; padding: 8px 12px; background: var(--color-primary); color: var(--color-bg); border-radius: var(--radius-sm); z-index: 1000; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 900;
  background: color-mix(in oklab, var(--color-surface) 75%, transparent);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: saturate(1.1) blur(8px);
}
.header-inner { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: var(--space-16); min-height: 64px; }
.brand { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.01em; }

/* Primary nav */
.primary-nav { display: contents; }
.nav-list { display: inline-flex; gap: clamp(8px, 2vw, 24px); align-items: center; }
.nav-list a { color: var(--color-text); font-weight: 600; }
.nav-list a:hover { color: var(--color-primary); }
.nav-cta { margin-left: clamp(8px, 2vw, 20px); }

/* Burger */
.menu-toggle { display: none; width: 40px; height: 40px; border-radius: var(--radius-md); border: 1px solid var(--color-border); align-items: center; justify-content: center; }
.menu-toggle__bar { display: block; width: 18px; height: 2px; background: var(--color-text); margin: 3px 0; transition: transform var(--duration-base) var(--easing-standard); }

@media (max-width: 960px) {
  .header-inner { grid-template-columns: 1fr auto; }
  .menu-toggle { display: inline-flex; }
  .primary-nav { position: fixed; inset: 64px 0 auto 0; background: var(--color-surface); border-bottom: 1px solid var(--color-border); transform: translateY(-100%); transition: transform var(--duration-base) var(--easing-standard); padding: 12px 0; z-index: 800; }
  .primary-nav.is-open { transform: translateY(0); }
  .primary-nav .nav-list { display: grid; gap: 8px; padding: 8px 16px; }
  .primary-nav .nav-cta { padding: 8px 16px; }
}

/* Hero */
.hero { padding-block: clamp(var(--space-56), 8vw, var(--space-96)); }
.hero .hero-media img { border-radius: var(--radius-lg); }
.hero-actions .btn { min-width: 160px; }

/* Features */
.features-grid .feature h3 { margin-bottom: 8px; }
.features-grid .feature p { color: var(--color-text-muted); }

/* Pricing */
.pricing-grid .price-card { position: relative; }
.price-card .price { font-family: var(--font-display); font-size: clamp(2rem, 1.2rem + 2vw, 3rem); margin: 8px 0 16px; }
.price-card .price span { font-size: 0.6em; opacity: 0.8; margin-right: 2px; }
.price-card ul { margin: 0 0 16px; color: var(--color-text-muted); }
.price-card.highlighted { outline: 2px solid color-mix(in oklab, var(--color-primary) 60%, transparent); box-shadow: var(--shadow-lg); }

/* Testimonials */
.quote p { font-size: var(--fs-500); }
.quote footer { margin-top: 8px; color: var(--color-silver); font-weight: 600; }

/* Portfolio */
.portfolio-grid { margin-top: 20px; }
.portfolio-item { position: relative; overflow: hidden; }
.portfolio-item img { border-radius: var(--radius-lg); }
.portfolio-caption { position: absolute; inset: auto 0 0 0; padding: 16px 20px; background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.6) 80%); }
.portfolio-caption h3 { margin-bottom: 6px; }

/* Team */
.team-list { display: grid; gap: var(--space-16); }
.team-list .card h3 { margin-bottom: 6px; }
.team-list .card p { color: var(--color-text-muted); }

/* Certifications */
.cert-badges { flex-wrap: wrap; }
.wrap { flex-wrap: wrap; }

/* FAQ */
.faq .faq-list { display: grid; gap: var(--space-12); margin: 16px 0 20px; }
.faq details summary { cursor: pointer; font-weight: 700; list-style: none; }
.faq details summary::-webkit-details-marker { display: none; }
.faq details { transition: border-color var(--duration-base) var(--easing-standard); }
.faq details[open] { outline: 1px solid color-mix(in oklab, var(--color-primary) 40%, transparent); }

/* CTA */
.cta-card { overflow: hidden; }
.cta-form { display: grid; gap: 12px; }

/* Footer */
.site-footer { border-top: 1px solid var(--color-border); background: var(--color-surface); }
.footer-inner { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: var(--space-24); padding-block: var(--space-32); }
.footer-title { font-weight: 700; font-size: var(--fs-600); }
.footer-links { display: grid; gap: 8px; }
.footer-links a { color: var(--color-text-muted); }
.footer-links a:hover { color: var(--color-primary); }
.footer-bottom { border-top: 1px solid var(--color-border); padding-block: 16px; color: var(--color-text-muted); }
@media (max-width: 900px) { .footer-inner { grid-template-columns: 1fr; } }

/* Cookie banner */
.cookie-banner { position: fixed; left: 0; right: 0; bottom: 0; background: var(--color-elevated); border-top: 1px solid var(--color-border); box-shadow: var(--shadow-md); padding-block: 12px; z-index: 950; }
.cookie-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.cookie-text { max-width: 75ch; color: var(--color-text-muted); }
.cookie-actions { display: inline-flex; gap: 8px; }
@media (max-width: 720px) {
  .cookie-inner { flex-direction: column; align-items: stretch; }
  .cookie-actions { width: 100%; }
  .cookie-actions .btn { flex: 1; }
}

/* Chat widget */
.chat-fab { position: fixed; right: 20px; bottom: 88px; z-index: 940; padding: 12px 14px; border-radius: var(--radius-round); background: var(--color-primary); color: var(--color-white); font-weight: 700; box-shadow: var(--shadow-md); border: 1px solid color-mix(in oklab, var(--color-primary) 60%, transparent); }
.chat-fab:hover { background: var(--color-primary-600); }
.chat-widget { position: fixed; right: 20px; bottom: 100px; width: min(420px, 92vw); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); display: grid; grid-template-rows: auto 1fr auto; overflow: hidden; z-index: 960; transform: translateY(12px); opacity: 0; pointer-events: none; transition: opacity var(--duration-base) var(--easing-standard), transform var(--duration-base) var(--easing-standard); }
.chat-widget.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.chat-header { display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; border-bottom: 1px solid var(--color-border); background: var(--color-surface-2); }
.chat-close { color: var(--color-text); font-size: 22px; line-height: 1; width: 34px; height: 34px; border-radius: var(--radius-md); border: 1px solid var(--color-border); }
.chat-close:hover { background: rgba(255,255,255,0.06); }
.chat-body { padding: 12px; display: grid; gap: 10px; max-height: 40vh; overflow-y: auto; }
.msg { padding: 10px 12px; border-radius: 12px; max-width: 85%; }
.msg--agent { background: rgba(30,167,255,0.12); border: 1px solid color-mix(in oklab, var(--color-primary) 30%, transparent); align-self: start; }
.msg--user { background: var(--color-surface-2); border: 1px solid var(--color-border); justify-self: end; }
.chat-input { display: grid; grid-template-columns: 1fr auto; gap: 8px; padding: 10px; border-top: 1px solid var(--color-border); }
.chat-input input { border-radius: var(--radius-md); }

/* Utilities */
.muted { color: var(--color-text-muted); }
.highlight { color: var(--color-primary); }