:root {
  --bg: #06060e;
  --bg-card: #0a0a16;
  --bg-card-hover: #0f0f1a;
  --bg-terminal: #080810;
  --border: rgba(245, 166, 35, 0.12);
  --border-bright: rgba(245, 166, 35, 0.25);
  --fg: #e2ddd8;
  --fg-muted: #7a7672;
  --fg-faint: #3a3835;
  --accent: #f5a623;
  --accent-dim: rgba(245, 166, 35, 0.08);
  --accent-glow: rgba(245, 166, 35, 0.15);
  --error: #ff6b6b;
  --error-bg: rgba(255, 107, 107, 0.06);
  --warn: #ffd93d;
  --warn-bg: rgba(255, 217, 61, 0.06);
  --ok: #6bcb77;
  --code-fn: #a8d8ea;
  --code-kw: #c792ea;
  --code-var: #82aaff;
  --code-type: #ffcb6b;
  --code-str: #c3e88d;
  --code-comment: #546e7a;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== NAVBAR ===== */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(6, 6, 14, 0.85);
  backdrop-filter: blur(12px);
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-name {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 4px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ===== HERO ===== */
.hero {
  padding: 100px 48px 80px;
  max-width: 900px;
  margin: 0 auto;
}

.hero-inner { max-width: 680px; }

.hero-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-tag::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.hero-headline {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 520px;
  margin-bottom: 48px;
}

/* ===== TERMINAL ===== */
.hero-terminal {
  background: var(--bg-terminal);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(245, 166, 35, 0.04), 0 20px 60px rgba(0,0,0,0.5);
}

.terminal-header {
  background: rgba(255,255,255,0.02);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}

.terminal-dots { display: flex; gap: 6px; }
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

.terminal-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
}

.terminal-body {
  padding: 16px 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.8;
}

.term-line {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.term-prefix {
  color: var(--fg-faint);
  width: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}

.term-cmd { color: var(--fg-muted); }

.term-warning { color: var(--warn); }
.term-warning .term-prefix { color: var(--warn); }

.term-critical { color: var(--error); }
.term-critical .term-prefix { color: var(--error); }

/* ===== DIFF VIEW ===== */
.diff-section {
  padding: 80px 48px;
  max-width: 900px;
  margin: 0 auto;
}

.diff-label, .features-label, .manifesto-label, .philosophy-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.diff-label::after, .features-label::after, .manifesto-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
  max-width: 200px;
}

.diff-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.diff-file-header {
  padding: 10px 16px;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
}

.diff-file-icon { color: var(--accent); }
.diff-file-path { color: var(--fg); }
.diff-file-branch { color: var(--fg-muted); margin-left: auto; font-size: 11px; }

.diff-lines { font-family: 'JetBrains Mono', monospace; font-size: 12.5px; line-height: 1.7; }

.diff-line { display: flex; align-items: flex-start; }
.diff-line:hover { background: rgba(255,255,255,0.02); }

.diff-lnum {
  width: 40px;
  padding: 2px 10px 2px 0;
  color: var(--fg-faint);
  text-align: right;
  flex-shrink: 0;
  user-select: none;
}

.diff-code { flex: 1; padding: 2px 0; }

.diff-line-removed { background: rgba(255, 107, 107, 0.04); }
.diff-line-added { background: rgba(107, 203, 119, 0.04); }

.diff-removed { color: #ff8080; }
.diff-added { color: #80e0a0; }
.diff-comment { color: var(--code-comment); }

.diff-badge {
  margin-left: 10px;
  font-size: 10px;
  padding: 1px 7px;
  border-radius: 3px;
  flex-shrink: 0;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 3px;
}
.diff-badge-error { background: var(--error-bg); color: var(--error); border: 1px solid rgba(255,107,107,0.2); }
.diff-badge-warn { background: var(--warn-bg); color: var(--warn); border: 1px solid rgba(255,217,61,0.2); }
.diff-badge-fix { background: var(--accent-dim); color: var(--accent); border: 1px solid var(--border); }

.diff-inline-comment { color: var(--fg-muted); font-style: italic; }

.diff-line-comment {
  padding: 10px 16px 10px 50px;
  background: rgba(245, 166, 35, 0.04);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.diff-comment-block {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.diff-comment-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.diff-comment-text {
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.55;
}

.diff-comment-text strong { color: var(--fg); }

.diff-summary {
  display: flex;
  gap: 0;
  border-top: 1px solid var(--border);
}

.diff-stat {
  flex: 1;
  padding: 14px 20px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-right: 1px solid var(--border);
}
.diff-stat:last-child { border-right: none; }

.diff-stat-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 22px;
  font-weight: 600;
  line-height: 1;
}
.diff-stat-error .diff-stat-num { color: var(--error); }
.diff-stat-warn .diff-stat-num { color: var(--warn); }
.diff-stat-ok .diff-stat-num { color: var(--ok); }

.diff-stat-label {
  font-size: 12px;
  color: var(--fg-muted);
  margin-top: 3px;
}

/* ===== FEATURES ===== */
.features {
  padding: 80px 48px;
  max-width: 900px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

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

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

.feature-icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  background: var(--accent-dim);
}

.feature-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ===== PHILOSOPHY ===== */
.philosophy {
  padding: 80px 48px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

.philosophy-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  gap: 60px;
  align-items: flex-start;
}

.philosophy-stat {
  flex-shrink: 0;
  min-width: 140px;
}

.pstat-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}

.pstat-desc {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.6;
}

.philosophy-divider {
  width: 1px;
  background: var(--border);
  align-self: stretch;
  flex-shrink: 0;
}

.philosophy-heading {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 16px;
}

.philosophy-body {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}
.philosophy-body:last-child { margin-bottom: 0; }

/* ===== MANIFESTO ===== */
.manifesto {
  padding: 80px 48px;
  max-width: 900px;
  margin: 0 auto;
}

.manifesto-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px 64px;
}

.manifesto-item { display: flex; gap: 20px; }

.manifesto-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  font-weight: 600;
  padding-top: 2px;
  flex-shrink: 0;
  letter-spacing: 0.04em;
}

.manifesto-content h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

.manifesto-content p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ===== CLOSING ===== */
.closing {
  padding: 80px 48px 100px;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.closing-headline {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.closing-sub {
  font-size: 17px;
  color: var(--fg-muted);
  margin-bottom: 48px;
  line-height: 1.6;
}

.closing-visual {
  padding: 24px 0;
}

.cv-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.cv-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--fg-muted);
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  letter-spacing: 0.03em;
}

.cv-arrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  color: var(--accent);
  padding: 0 12px;
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 28px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--fg);
}

.footer-tagline {
  font-size: 13px;
  color: var(--fg-faint);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .navbar, .hero, .diff-section, .features, .manifesto, .closing, .footer {
    padding-left: 20px;
    padding-right: 20px;
  }
  .philosophy { padding-left: 20px; padding-right: 20px; }
  .hero { padding-top: 60px; }
  .features-grid, .manifesto-grid { grid-template-columns: 1fr; }
  .philosophy-inner { flex-direction: column; gap: 32px; }
  .philosophy-divider { display: none; }
  .diff-section, .features, .manifesto, .closing { padding-top: 48px; padding-bottom: 48px; }
  .cv-item { gap: 4px; }
  .cv-arrow { padding: 0 6px; }
}