/* Page layout — extends brand.css */

.sk {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(var(--sk-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--sk-line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% -10%, black 20%, transparent 75%);
  opacity: 0.45;
}

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 50% 40% at 15% 0%, rgba(255,106,0,.14), transparent 60%),
    radial-gradient(ellipse 40% 35% at 85% 10%, rgba(0,194,255,.08), transparent 55%);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: .75rem 1rem;
  background: var(--sk-orange);
  color: #0b0d10;
  font-family: var(--sk-font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.skip-link:focus { left: 1rem; top: 1rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--sk-line);
  background: rgba(13,17,23,.88);
  backdrop-filter: blur(12px);
}

.site-header .sk-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.brand-logo {
  display: block;
  height: 44px;
  width: auto;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--sk-line-strong);
  border-radius: var(--sk-radius-sm);
  background: transparent;
  color: var(--sk-white);
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: transform .2s var(--sk-ease), opacity .2s var(--sk-ease);
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
}

.site-nav a {
  font-family: var(--sk-font-display);
  font-weight: 600;
  font-size: var(--sk-fs-sm);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--sk-text-muted);
  transition: color .15s var(--sk-ease);
}

.site-nav a:hover,
.site-nav a.is-active { color: var(--sk-orange); }

.site-nav .sk-btn { margin-left: .5rem; }

/* Hero */
.hero {
  position: relative;
  z-index: 1;
  padding-block: clamp(3rem, 10vh, 6rem) clamp(4rem, 12vh, 7rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.05fr .95fr;
  }
}

.hero-copy h1 {
  font-size: var(--sk-fs-hero);
  margin: .75rem 0 1.25rem;
  max-width: 12ch;
}

.hero-tagline {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .75rem;
  margin: 0 0 1.5rem;
}

.hero-tagline span {
  font-family: var(--sk-font-display);
  font-weight: 600;
  font-size: var(--sk-fs-sm);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--sk-text-muted);
}

.hero-tagline span:not(:last-child)::after {
  content: "·";
  margin-left: .75rem;
  color: var(--sk-orange);
}

.hero-lede {
  margin: 0 0 2rem;
  max-width: 52ch;
  font-size: 1.125rem;
  color: var(--sk-text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-logo-wrap {
  position: relative;
  width: min(100%, 420px);
}

.hero-logo-wrap::before {
  content: "";
  position: absolute;
  inset: -8%;
  background: radial-gradient(circle, rgba(255,106,0,.18), transparent 65%);
  pointer-events: none;
}

.hero-logo {
  display: block;
  width: 100%;
  height: auto;
  position: relative;
  filter: drop-shadow(0 24px 60px rgba(0,0,0,.55));
}

/* Pillars */
.section-head {
  max-width: 640px;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.section-head h2 { margin: .75rem 0 1rem; }
.section-head p { margin: 0; color: var(--sk-text-muted); max-width: 55ch; }

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.pillar-grid h3 {
  font-size: var(--sk-fs-h3);
  margin: .75rem 0 .5rem;
  color: var(--sk-white);
}

.pillar-grid p {
  margin: 0;
  color: var(--sk-text-muted);
  font-size: var(--sk-fs-sm);
}

.pillar-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--sk-radius-sm);
  background: var(--sk-orange-tint);
  color: var(--sk-orange);
  font-family: var(--sk-font-display);
  font-weight: 700;
  font-size: 1.1rem;
}

/* CTA band */
.cta-band {
  position: relative;
  z-index: 1;
}

.cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem 2rem;
  padding: clamp(2rem, 5vw, 3rem);
  border: 1px solid var(--sk-line);
  border-radius: var(--sk-radius-lg);
  background:
    linear-gradient(135deg, rgba(255,106,0,.08), transparent 45%),
    linear-gradient(180deg, var(--sk-panel), #151b23);
}

.cta-inner h2 { font-size: var(--sk-fs-h2); margin-bottom: .5rem; }
.cta-inner p { margin: 0; color: var(--sk-text-muted); max-width: 42ch; }

/* Footer */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: auto;
  border-top: 1px solid var(--sk-line);
  padding-block: 2rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.footer-mark {
  width: 28px;
  height: 28px;
}

.footer-copy {
  margin: 0;
  font-size: var(--sk-fs-sm);
  color: var(--sk-text-dim);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
}

.footer-links a {
  font-size: var(--sk-fs-sm);
  color: var(--sk-text-muted);
}

.footer-links a:hover { color: var(--sk-blue); }

/* 404 */
.error-page {
  position: relative;
  z-index: 1;
  flex: 1;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 4rem var(--sk-gutter);
}

.error-page h1 { font-size: var(--sk-fs-h1); margin: .75rem 0; }
.error-page .hero-lede { margin-inline: auto; }

/* Mobile nav */
@media (max-width: 768px) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem var(--sk-gutter) 1.25rem;
    background: rgba(13,17,23,.97);
    border-bottom: 1px solid var(--sk-line);
    display: none;
  }

  .site-nav.is-open { display: flex; }

  .site-nav a { padding: .5rem 0; }

  .site-nav .sk-btn {
    margin-left: 0;
    justify-content: center;
  }
}