/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #070b10;
  --bg-2: #0d1520;
  --bg-3: #111e2e;
  --fg: #c8d8e8;
  --fg-dim: #5a7a8a;
  --cyan: #00f5d4;
  --cyan-dim: rgba(0, 245, 212, 0.12);
  --amber: #f59e0b;
  --amber-dim: rgba(245, 158, 11, 0.12);
  --red: #ef4444;
  --red-dim: rgba(239, 68, 68, 0.12);
  --ice: #a8e6ff;
  --border: rgba(0, 245, 212, 0.15);
  --font-display: 'Space Mono', monospace;
  --font-body: 'IBM Plex Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === NAV === */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(7, 11, 16, 0.95);
  backdrop-filter: blur(12px);
  z-index: 100;
}

.nav-brand { display: flex; align-items: center; gap: 10px; }
.nav-logo { font-size: 22px; color: var(--cyan); }
.nav-name { font-family: var(--font-display); font-weight: 700; font-size: 16px; letter-spacing: 0.15em; color: var(--fg); }

.nav-status { display: flex; align-items: center; gap: 8px; }
.nav-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); animation: pulse 2s infinite; }
.nav-label { font-size: 12px; color: var(--fg-dim); letter-spacing: 0.08em; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 80px 48px;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 245, 212, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 245, 212, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, rgba(0,0,0,0.6) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 140%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 40%, rgba(0, 245, 212, 0.07) 0%, transparent 55%),
              radial-gradient(ellipse at 70% 60%, rgba(0, 245, 212, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--cyan);
  border: 1px solid var(--border);
  padding: 4px 12px;
  margin-bottom: 28px;
  font-family: var(--font-display);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 700;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 15px;
  color: var(--fg-dim);
  line-height: 1.7;
  max-width: 440px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.hero-stat {}

.hero-stat-val {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--cyan);
}

.hero-stat-label {
  font-size: 11px;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
  margin-top: 4px;
}

/* === MATRIX PANEL === */
.matrix-panel {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 0 60px rgba(0, 245, 212, 0.08), 0 0 120px rgba(0, 245, 212, 0.03);
}

.matrix-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-3);
}

.matrix-title {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--fg-dim);
}

.matrix-live {
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.1em;
}

.matrix-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 80px;
  font-size: 12px;
}

.matrix-cell {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(0, 245, 212, 0.06);
  border-right: 1px solid rgba(0, 245, 212, 0.04);
}

.matrix-cell:last-child { border-right: none; }

.matrix-cell--header {
  background: var(--bg-3);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--fg-dim);
  font-family: var(--font-display);
}

.matrix-cell--tactic { color: var(--fg); font-size: 12px; }
.matrix-cell--yes { color: var(--cyan); font-size: 14px; text-align: center; }
.matrix-cell--warn { color: var(--amber); font-size: 14px; text-align: center; }
.matrix-cell--no { color: var(--red-dim); font-size: 14px; text-align: center; }

.matrix-cell--score {
  font-family: var(--font-display);
  font-weight: 700;
  text-align: center;
}

.matrix-cell--high { color: var(--cyan); }
.matrix-cell--med { color: var(--amber); }
.matrix-cell--low { color: var(--red); }

.matrix-panel-footer {
  display: flex;
  justify-content: space-between;
  padding: 10px 16px;
  font-size: 11px;
  color: var(--fg-dim);
  border-top: 1px solid var(--border);
  background: var(--bg-3);
}

/* === MATRIX VIZ === */
.matrix-viz {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 64px 48px;
}

.matrix-viz-inner { max-width: 1300px; margin: 0 auto; }

.viz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}

.viz-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--fg-dim);
}

.viz-legend {
  display: flex;
  gap: 20px;
  font-size: 12px;
  color: var(--fg-dim);
  align-items: center;
}

.legend-dot {
  width: 8px; height: 8px; border-radius: 50%;
  display: inline-block; margin-right: 6px;
}
.legend-dot--high { background: var(--cyan); }
.legend-dot--med { background: var(--amber); }
.legend-dot--low { background: var(--red); }

.tactics-timeline { display: flex; flex-direction: column; gap: 12px; }

.tactic-bar {
  display: grid;
  grid-template-columns: 180px 1fr 60px;
  align-items: center;
  gap: 20px;
}

.tactic-name {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
}

.tactic-track {
  height: 4px;
  background: var(--bg-3);
  border-radius: 2px;
  overflow: hidden;
}

.tactic-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--cyan);
}

.tactic-fill--full { width: 100%; }
.tactic-fill--87 { width: 87%; }
.tactic-fill--91 { width: 91%; }
.tactic-fill--72 { width: 72%; background: var(--amber); }
.tactic-fill--58 { width: 58%; background: var(--red); }
.tactic-fill--44 { width: 44%; background: var(--red); }
.tactic-fill--68 { width: 68%; background: var(--amber); }

.tactic-score {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  text-align: right;
  color: var(--cyan);
}

.tactic-bar--alert .tactic-score { color: var(--red); }
.tactic-bar--alert .tactic-name { color: var(--red); }

/* === FEATURES === */
.features {
  padding: 100px 48px;
  max-width: 1300px;
  margin: 0 auto;
}

.features-header { margin-bottom: 64px; }

.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--cyan);
  border: 1px solid var(--border);
  padding: 4px 12px;
  margin-bottom: 20px;
  font-family: var(--font-display);
}

.features-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  color: #fff;
  max-width: 600px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.feature-card {
  background: var(--bg-2);
  padding: 40px 32px;
  position: relative;
  transition: background 0.2s;
}

.feature-card:hover { background: var(--bg-3); }

.feature-icon {
  font-size: 24px;
  color: var(--cyan);
  margin-bottom: 20px;
  opacity: 0.8;
}

.feature-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: 13px;
  color: var(--fg-dim);
  line-height: 1.7;
  margin-bottom: 24px;
}

.feature-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--cyan);
  border: 1px solid var(--border);
  padding: 3px 10px;
  font-family: var(--font-display);
  opacity: 0.7;
}

/* === TACTICS === */
.tactics {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 48px;
}

.tactics-inner { max-width: 1300px; margin: 0 auto; text-align: center; }

.tactics-label {
  font-family: var(--font-display);
  font-size: clamp(14px, 2vw, 22px);
  font-weight: 700;
  color: var(--fg-dim);
  letter-spacing: 0.08em;
  margin-bottom: 40px;
}

.tactics-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}

.tactic-chip {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--fg);
  border: 1px solid var(--border);
  padding: 8px 16px;
  background: var(--bg-3);
  transition: border-color 0.2s, color 0.2s;
}

.tactic-chip:hover { border-color: var(--cyan); color: var(--cyan); }

.tactics-note {
  font-size: 14px;
  color: var(--fg-dim);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* === CLOSING === */
.closing {
  padding: 120px 48px;
  text-align: center;
}

.closing-inner { max-width: 900px; margin: 0 auto; }

.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 700;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.closing-sub {
  font-size: 16px;
  color: var(--fg-dim);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto 48px;
}

.closing-cta {}

.closing-cta-text {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--fg-dim);
  border: 1px solid var(--border);
  padding: 14px 32px;
  display: inline-block;
}

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-2);
}

.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-logo { font-size: 16px; color: var(--cyan); }
.footer-name { font-family: var(--font-display); font-weight: 700; font-size: 13px; letter-spacing: 0.12em; color: var(--fg); }
.footer-version { font-size: 11px; color: var(--fg-dim); margin-left: 4px; }

.footer-meta {
  display: flex;
  gap: 10px;
  font-size: 12px;
  color: var(--fg-dim);
}

.footer-security { display: flex; align-items: center; gap: 8px; }
.footer-badge {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--cyan);
  border: 1px solid var(--border);
  padding: 2px 8px;
  font-family: var(--font-display);
}
.footer-security span:last-child { font-size: 12px; color: var(--fg-dim); }

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { order: -1; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .footer { flex-direction: column; gap: 16px; text-align: center; }
  .nav { padding: 16px 24px; }
  .hero { padding: 60px 24px; }
  .features { padding: 60px 24px; }
  .matrix-viz { padding: 48px 24px; }
  .tactics { padding: 60px 24px; }
  .closing { padding: 80px 24px; }
}

@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .matrix-grid { grid-template-columns: 1fr 1fr 1fr; }
  .matrix-cell--tactic { grid-column: 1 / -1; border-bottom: none; padding-bottom: 4px; }
  .tactic-bar { grid-template-columns: 1fr; gap: 6px; }
  .tactic-score { text-align: left; }
}