/* ==========================================================
   DECRYPT V4 — LAYOUT
   ========================================================== */

.page {
  min-height: 100vh; min-height: 100dvh;
  position: relative;
  opacity: 0;
  transition: opacity var(--t-slow);
}
.page.ready { opacity: 1; }

/* ---------- Header / access console ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: var(--z-header);
  display: flex; align-items: center; justify-content: space-between;
  padding: clamp(1.1rem, 1rem + 0.6vw, 1.6rem) var(--edge);
  pointer-events: none;
  background: color-mix(in srgb, var(--c-bg) 55%, transparent);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--c-border);
  transition: background var(--t-theme), border-color var(--t-theme);
}
.header > * { pointer-events: auto; }

.logo {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 0.85rem + 0.2vw, 1.05rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  position: relative;
  padding: 0.25rem 0;
  transition: opacity var(--t-fast);
  display: flex; align-items: center; gap: 8px;
}
.logo .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--c-accent); }
.logo::after {
  content: ''; position: absolute; bottom: 0; left: 18px; right: 0; height: 2px;
  background: var(--c-accent); transform: scaleX(0); transform-origin: left;
  transition: transform var(--t-base);
}
.logo:hover::after, .logo:focus-visible::after { transform: scaleX(1); }
.logo:hover { opacity: 0.75; }

.nav-desktop { display: flex; align-items: center; gap: clamp(1.1rem, 1vw, 2rem); }
.nav-link {
  font-family: var(--font-display);
  font-size: 0.74rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  position: relative; padding: 0.3rem 0; color: var(--c-text-secondary);
  transition: color var(--t-fast);
}
.nav-link::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 1px;
  background: var(--c-text); transform: scaleX(0); transform-origin: left; transition: transform var(--t-base);
}
.nav-link:hover, .nav-link:focus-visible { color: var(--c-text); }
.nav-link:hover::after, .nav-link:focus-visible::after { transform: scaleX(1); }

.nav-link.nav-cta {
  color: var(--c-black);
  background: var(--c-accent);
  padding: 0.5rem 1rem;
  border-radius: 20px;
}
.nav-link.nav-cta::after { display: none; }
.nav-link.nav-cta:hover, .nav-link.nav-cta:focus-visible { color: var(--c-black); opacity: 0.85; }

.nav-link.nav-portal {
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.2rem;
  border-radius: 999px;
  min-height: 42px;
}

.header-controls { display: flex; align-items: center; gap: 10px; }
.icon-btn {
  width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--c-border); border-radius: 50%;
  transition: border-color var(--t-fast), background var(--t-fast);
}
.icon-btn:hover { border-color: var(--c-text-secondary); }
.icon-btn svg { width: 15px; height: 15px; stroke: var(--c-text); fill: none; stroke-width: 1.6; }

.nav-toggle { display: none; }
@media (max-width: 860px) {
  .nav-desktop { display: none; }
  .nav-toggle { display: flex; }
}

/* ---------- Mobile drawer ---------- */
#mobile-nav {
  position: fixed; inset: 0; z-index: var(--z-nav-mobile);
  background: var(--c-space);
  display: flex; flex-direction: column; justify-content: center; gap: 4px;
  padding: var(--edge);
  transform: translateY(-100%);
  transition: transform var(--t-slow);
}
#mobile-nav.open { transform: translateY(0); }
#mobile-nav button, #mobile-nav a {
  font-family: var(--font-display); font-size: 2rem; text-transform: uppercase;
  text-align: left; padding: 14px 0; border-bottom: 1px solid var(--c-border);
  display: block;
}
#mobile-nav .close-nav {
  position: absolute; top: 20px; right: var(--edge);
  width: 42px; height: 42px; border: 1px solid var(--c-border); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

/* ---------- Sections ---------- */
.section { position: relative; z-index: var(--z-world); padding: clamp(90px, 13vh, 170px) var(--edge); }
.section-inner { max-width: 1360px; margin: 0 auto; }
.section--tight { padding-top: clamp(50px, 7vh, 90px); padding-bottom: clamp(50px, 7vh, 90px); }
.eyebrow {
  display: flex; align-items: center; gap: 10px; margin-bottom: 18px;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--c-text-secondary);
}
.eyebrow::before { content: ''; width: 22px; height: 1px; background: var(--c-text-secondary); }

/* ---------- Hero grid (desktop default; overridden on mobile in responsive.css) ---------- */
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
  width: 100%;
}

/* ---------- Footer / final chamber ---------- */
.chamber {
  position: relative; z-index: var(--z-world);
  padding: 90px var(--edge) 40px;
  border-top: 1px solid var(--c-border);
  background: var(--c-space);
}
.footer-top { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 40px; }
.footer-wordmark { font-family: var(--font-display); font-size: clamp(2.2rem, 6.5vw, 5.5rem); text-transform: uppercase; }
.footer-tagline { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; color: var(--c-text-secondary); text-transform: uppercase; margin-top: 12px; }
.footer-social { display: flex; gap: 20px; flex-wrap: wrap; }
.social-link {
  font-family: var(--font-display); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--c-text-secondary); position: relative; padding: 0.25rem 0; transition: color var(--t-fast);
}
.social-link::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 1px;
  background: var(--c-accent); transform: scaleX(0); transform-origin: left; transition: transform var(--t-base);
}
.social-link:hover, .social-link:focus-visible { color: var(--c-text); }
.social-link:hover::after, .social-link:focus-visible::after { transform: scaleX(1); }
.footer-bottom { margin-top: 70px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
.footer-copy { font-family: var(--font-mono); font-size: 0.65rem; color: var(--c-text-secondary); letter-spacing: 0.05em; }