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

:root {
  --bg: #050507;
  --bg-secondary: #0c0c10;
  --fg: #e8e8ec;
  --fg-muted: #6b6b80;
  --accent: #00e5c8;
  --accent-dim: rgba(0, 229, 200, 0.12);
  --red: #ff4d6a;
  --yellow: #ffd60a;
  --green: #00e5c8;
  --border: rgba(255,255,255,0.07);
  --terminal-bg: #0a0a0e;
  --terminal-border: rgba(0, 229, 200, 0.2);
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

/* === GRID OVERLAY === */
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,200,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,200,0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}

/* === SECTION LABELS === */
.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--fg);
  margin-bottom: 56px;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(0,229,200,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 120px 48px;
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid rgba(0,229,200,0.25);
  border-radius: 100px;
  margin-bottom: 40px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

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

.hero-title {
  font-size: clamp(42px, 8vw, 88px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

.title-line { display: block; }
.title-line.accent { color: var(--accent); }

.hero-sub {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 48px;
}

/* === TERMINAL BLOCK === */
.hero-terminal {
  background: var(--terminal-bg);
  border: 1px solid var(--terminal-border);
  border-radius: 12px;
  max-width: 560px;
  margin-bottom: 40px;
  overflow: hidden;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
  margin-left: 8px;
}

.terminal-body {
  padding: 20px 20px 24px;
  font-family: var(--font-mono);
  font-size: 13px;
}

.term-line { margin-bottom: 6px; color: var(--fg); }
.term-line.output { color: var(--fg-muted); }
.term-line.highlight { color: var(--accent); font-weight: 500; }

.prompt { color: var(--accent); margin-right: 8px; }
.cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--accent);
  animation: blink 1s step-end infinite;
  vertical-align: middle;
}

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

/* === SPEC CHIPS === */
.hero-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.spec-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
}

.spec-icon { font-size: 14px; }

/* === FEATURES === */
.features {
  padding: 120px 48px;
  max-width: 1100px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1px;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.feature-card {
  background: var(--bg-secondary);
  padding: 36px 32px;
  transition: background 0.2s;
}

.feature-card:hover {
  background: rgba(0,229,200,0.03);
}

.feature-icon {
  color: var(--accent);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* === ARCHITECTURE === */
.architecture {
  padding: 120px 48px;
  max-width: 1100px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.arch-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  margin-bottom: 32px;
}

.arch-layer {
  width: 100%;
  max-width: 700px;
  text-align: center;
}

.arch-layer-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--fg-muted);
  margin-bottom: 12px;
}

.arch-boxes {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.arch-box {
  padding: 14px 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-muted);
  background: var(--bg-secondary);
}

.arch-box.local {
  border-color: rgba(0,229,200,0.3);
  color: var(--accent);
  background: rgba(0,229,200,0.05);
}

.arch-box.cloud {
  border-color: rgba(148, 87, 255, 0.3);
  color: #b47fff;
  background: rgba(148,87,255,0.05);
}

.arch-box.hardware {
  border-color: rgba(0,229,200,0.25);
  color: var(--accent);
}

.arch-or {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
}

.arch-arrow {
  font-family: var(--font-mono);
  font-size: 18px;
  color: rgba(255,255,255,0.15);
  padding: 8px 0;
}

.arch-note {
  text-align: center;
  font-size: 14px;
  color: var(--fg-muted);
  font-family: var(--font-mono);
}

/* === PRICING === */
.pricing {
  padding: 120px 48px;
  max-width: 1100px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.comparison-table {
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  max-width: 700px;
  margin: 0 auto;
}

.comp-header {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.comp-col-label {
  padding: 16px 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
}

.comp-col {
  padding: 16px 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-align: center;
}

.comp-col.polsia { color: var(--red); border-left: 1px solid var(--border); }
.comp-col.agentstack { color: var(--accent); border-left: 1px solid var(--border); }

.comp-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}

.comp-row:last-child { border-bottom: none; }
.comp-row:hover { background: rgba(255,255,255,0.02); }

.comp-feature {
  padding: 16px 24px;
  font-size: 14px;
  color: var(--fg);
}

.comp-val {
  padding: 16px 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  text-align: center;
  border-left: 1px solid var(--border);
}

.comp-val.red { color: var(--red); }
.comp-val.green { color: var(--green); }

.pricing-note {
  text-align: center;
  margin-top: 24px;
  font-size: 13px;
  color: var(--fg-muted);
  font-family: var(--font-mono);
}

/* === CLOSING === */
.closing {
  padding: 160px 48px;
  position: relative;
  overflow: hidden;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(0,229,200,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.closing-inner {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.closing-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 16px;
}

.closing-title {
  font-size: clamp(36px, 7vw, 80px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
  color: var(--fg);
}

.closing-body {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--fg-muted);
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 56px;
}

.closing-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-bottom: 48px;
}

.stat { text-align: left; }

.stat-value {
  display: block;
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  margin-top: 6px;
}

.stat-divider {
  width: 1px;
  height: 50px;
  background: var(--border);
}

.closing-cta {
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 600;
  color: var(--fg);
}

/* === FOOTER === */
footer {
  border-top: 1px solid var(--border);
  padding: 48px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  display: block;
}

.footer-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  display: block;
  margin-top: 4px;
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero-inner, .features, .architecture, .pricing, .closing {
    padding: 80px 24px;
  }

  .comparison-table { font-size: 13px; }
  .comp-feature, .comp-val { padding: 12px 16px; }
  .comp-col { padding: 12px 16px; }

  .closing-stats { gap: 20px; }
  .stat-value { font-size: 32px; }

  .arch-boxes { gap: 6px; }
  .arch-box { padding: 10px 16px; font-size: 12px; }

  .features-grid { grid-template-columns: 1fr; }

  footer { padding: 32px 24px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero-specs { gap: 8px; }
  .spec-chip { font-size: 11px; padding: 6px 10px; }
  .hero-terminal { max-width: 100%; }
}