:root {
  --bg: #080b0f;
  --accent: #00e5ff;
  --accent2: #0066ff;
  --border: #1e2d3d;
  --muted: #4a6070;
  --text: #e8edf2;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Mono', monospace;
  overflow-x: hidden;
}

body::before {
  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='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.5;
  z-index: 0;
}

/* ── BACKGROUND ── */
.grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.25;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 10%, transparent 100%);
  pointer-events: none;
}

.glow {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(0,102,255,0.09) 0%, transparent 65%);
  pointer-events: none;
}

/* ── CORNERS ── */
.corner {
  position: fixed;
  width: 60px; height: 60px;
  pointer-events: none;
  z-index: 10;
}
.corner--tl { top: 2rem; left: 2rem; border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.corner--tr { top: 2rem; right: 2rem; border-top: 1px solid var(--border); border-right: 1px solid var(--border); }
.corner--bl { bottom: 2rem; left: 2rem; border-bottom: 1px solid var(--border); border-left: 1px solid var(--border); }
.corner--br { bottom: 2rem; right: 2rem; border-bottom: 1px solid var(--border); border-right: 1px solid var(--border); }

/* ── STATUS BAR ── */
.status-bar {
  position: absolute;
  top: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  animation: fadeDown 0.8s 0.2s ease both;
  z-index: 10;
}
.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: blink 2s ease-in-out infinite;
}

/* ── SECTION BASE ── */
section {
  position: relative;
  z-index: 1;
  padding: 6rem 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.section-tag {
  font-size: 0.58rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
}
.section-tag::before {
  content: '';
  display: block;
  width: 1.2rem; height: 1px;
  background: var(--accent);
  opacity: 0.6;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 0.6rem;
}

.section-sub {
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  line-height: 1.7;
  max-width: 500px;
  margin-bottom: 3rem;
}

/* ── DIVIDER ── */
.section-divider {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 30%, var(--border) 70%, transparent);
  position: relative;
  z-index: 1;
}

/* ── FOOTER ── */
.footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 3rem 2rem 4rem;
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0.5;
  border-top: 1px solid var(--border);
  max-width: 1000px;
  margin: 0 auto;
}

/* ── SCROLL REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeDown {
  from { opacity: 0; transform: translateX(-50%) translateY(-10px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 0.4; }
  50%       { transform: scaleY(0.6); opacity: 0.1; }
}