/* ═══════════════════════════════════════════
   BASE — Reset, body, noise, glows, reveal
═══════════════════════════════════════════ */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Outfit', sans-serif;
  background: var(--oled-bg);
  color: var(--white);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── Noise texture overlay ─── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.35;
}

/* ─── Ambient glows ─── */
.glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
}
.glow-1 { width: 480px; height: 480px; background: rgba(34,87,168,0.28);  top: -80px;  left: -100px; }
.glow-2 { width: 360px; height: 360px; background: rgba(26,64,128,0.20);  bottom: 20%; right: -60px; }
.glow-3 { width: 260px; height: 260px; background: rgba(58,118,212,0.16); top: 60%;    left: 40%;    }

/* ─── Sections shared ─── */
section {
  position: relative;
  z-index: 1;
  padding: 72px 20px;
}

/* ─── Typography helpers ─── */
.eyebrow {
  font-size: 9px;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--blue-200);
  margin-bottom: 14px;
  opacity: 0.85;
}

.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(32px, 8vw, 52px);
  font-weight: 300;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 13px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--white-60);
  max-width: 320px;
  margin-bottom: 40px;
}

/* ─── Scroll reveal ─── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.in   { opacity: 1; transform: translateY(0); }
.reveal-d1   { transition-delay: 0.08s; }
.reveal-d2   { transition-delay: 0.16s; }
.reveal-d3   { transition-delay: 0.24s; }
.reveal-d4   { transition-delay: 0.32s; }

/* ─── Shared buttons ─── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--white);
  background: rgba(26,64,128,0.70);
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 1px solid rgba(58,118,212,0.44);
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.10), 0 4px 16px rgba(26,64,128,0.28);
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}
.btn-primary:hover  {
  background: rgba(34,87,168,0.76);
  border-color: rgba(58,118,212,0.58);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.14), 0 6px 22px rgba(26,64,128,0.40);
}
.btn-primary:active { transform: scale(0.97); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--white-80);
  background: rgba(255,255,255,0.05);
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.16);
  text-decoration: none;
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.26);
  color: var(--white);
}