/* === BASE.CSS — Shared across all pages === */

:root {
  --bg: #0a0a0a;
  --bg-screen: #0d0e0f;
  --bg-elevated: #111213;
  --bg-card: #141516;
  --bg-bezel: #1a1b1c;
  --text: #e8e4df;
  --text-muted: #b0aaa4;
  --text-dim: #7a746e;
  --phosphor: #e8643a;
  --phosphor-bright: #ff7a4e;
  --phosphor-glow: rgba(232, 100, 58, 0.12);
  --phosphor-faint: rgba(232, 100, 58, 0.05);
  --green: #3ae87a;
  --green-glow: rgba(58, 232, 122, 0.1);
  --blue: #6aadff;
  --amber: #ffbd2e;
  --mono: 'IBM Plex Mono', 'Courier New', monospace;
  --sans: 'Space Grotesk', -apple-system, sans-serif;
  --serif: 'DM Serif Display', Georgia, serif;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --content-width: 680px;
  --terminal-width: 800px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--phosphor);
  color: var(--bg);
}

/* --- SCANLINE + NOISE OVERLAY --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(0,0,0,0.08) 2px,
      rgba(0,0,0,0.08) 4px
    );
  pointer-events: none;
  z-index: 9999;
  opacity: 0.3;
  will-change: transform;
}

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)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: 9998;
  will-change: transform;
}

/* --- LAYOUT --- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

section { padding: 6rem 0; }

/* --- TERMINAL WINDOW COMPONENT --- */
.terminal-window {
  background: var(--bg-screen);
  border: 1px solid rgba(232, 100, 58, 0.15);
  border-radius: 10px;
  overflow: hidden;
  box-shadow:
    0 0 30px rgba(232, 100, 58, 0.04),
    inset 0 1px 0 rgba(255,255,255,0.03);
}

.terminal-chrome {
  height: 36px;
  background: var(--bg-bezel);
  display: flex;
  align-items: center;
  padding: 0 1rem;
  gap: 0.4rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.terminal-chrome .dot { width: 10px; height: 10px; border-radius: 50%; }
.terminal-chrome .dot.r { background: #ff5f56; }
.terminal-chrome .dot.y { background: #ffbd2e; }
.terminal-chrome .dot.g { background: #27c93f; }

.terminal-chrome .title {
  flex: 1;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-right: 40px;
}

.terminal-body {
  padding: 2rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.9;
}

/* --- NAV --- */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0.8rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(232, 100, 58, 0.08);
}

.nav-logo {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--phosphor);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo .cursor-block {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--phosphor);
  animation: blink 1.2s step-end infinite;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color 0.3s;
}

.nav-links a:hover { color: var(--phosphor); }

.nav-links a::before {
  content: '> ';
  color: var(--text-dim);
  transition: color 0.3s;
}

.nav-links a:hover::before { color: var(--phosphor); }

.nav-cta {
  background: var(--phosphor) !important;
  color: var(--bg) !important;
  padding: 0.45rem 1.1rem !important;
  border-radius: 3px;
  font-weight: 500 !important;
  transition: all 0.3s !important;
}

.nav-cta::before { display: none !important; }
.nav-cta:hover { opacity: 0.85; color: var(--bg) !important; }

.nav-active { color: var(--phosphor) !important; }
.nav-active::before { color: var(--phosphor) !important; }

/* --- SECTION HEADERS --- */
.section-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--phosphor);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-label::before {
  content: '// ';
  color: var(--text-dim);
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin-bottom: 3.5rem;
}

/* --- BUTTONS --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--phosphor);
  color: var(--bg);
  padding: 0.8rem 1.8rem;
  border-radius: 3px;
  text-decoration: none;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.85rem;
  transition: all 0.3s var(--ease);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 30px var(--phosphor-glow), 0 8px 30px rgba(0,0,0,0.3);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-muted);
  padding: 0.8rem 1.8rem;
  border-radius: 3px;
  text-decoration: none;
  font-family: var(--mono);
  font-weight: 400;
  font-size: 0.85rem;
  border: 1px solid rgba(232, 100, 58, 0.2);
  transition: all 0.3s var(--ease);
}

.btn-secondary:hover {
  color: var(--phosphor);
  border-color: rgba(232, 100, 58, 0.4);
  box-shadow: 0 0 20px var(--phosphor-faint);
}

/* --- FOOTER --- */
footer {
  padding: 2rem 0;
  border-top: 1px solid rgba(232, 100, 58, 0.06);
  text-align: center;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-dim);
}

footer a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s;
}

footer a:hover { color: var(--phosphor); }

footer .footer-row {
  display: flex;
  justify-content: center;
  gap: 2rem;
  align-items: center;
}

/* --- ANIMATIONS --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@keyframes typeIn {
  from { width: 0; }
  to { width: 100%; }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- RESPONSIVE (shared) --- */
@media (max-width: 900px) {
  .signal-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
}

@media (max-width: 600px) {
  section { padding: 4rem 0; }
  .container { padding: 0 1.25rem; }
  nav { padding: 0.8rem 1.25rem; }
  .nav-links { gap: 1rem; }
  .nav-links a { font-size: 0.65rem; }
}