:root {
  --bg: #0c0b0f;
  --bg-elevated: #16141c;
  --bg-surface: #1e1b27;
  --fg: #e8e4ef;
  --fg-muted: #9b95a8;
  --fg-dim: #6b6578;
  --accent: #e8a445;
  --accent-dim: #c4832a;
  --red-mark: #d94f4f;
  --serif: 'DM Serif Display', Georgia, serif;
  --mono: 'IBM Plex Mono', 'Courier New', monospace;
  --sans: 'Outfit', -apple-system, sans-serif;
}

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

html { font-size: 18px; scroll-behavior: smooth; }

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

/* ═══════════════ HERO ═══════════════ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse at center, rgba(232, 164, 69, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 820px;
  margin: 0 auto;
  position: relative;
}

.hero-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--fg);
  margin-bottom: 1.8rem;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.8;
  margin-bottom: 3rem;
}

.hero-annotation {
  background: var(--bg-elevated);
  border-left: 3px solid var(--red-mark);
  padding: 1.2rem 1.5rem;
  max-width: 540px;
  border-radius: 0 6px 6px 0;
}

.annotation-mark {
  color: var(--red-mark);
  font-size: 1rem;
  margin-right: 0.6rem;
}

.annotation-text {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 400;
  font-style: italic;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ═══════════════ PROBLEM ═══════════════ */

.problem {
  padding: 6rem 2rem;
  background: var(--bg-elevated);
}

.problem-inner {
  max-width: 960px;
  margin: 0 auto;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.problem-statement h2 {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: 1.2rem;
}

.problem-statement p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 560px;
  line-height: 1.8;
}

.problem-contrast {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.contrast-block {
  padding: 1.8rem;
  border-radius: 8px;
}

.contrast-them {
  background: var(--bg-surface);
  border: 1px solid rgba(255,255,255,0.04);
}

.contrast-us {
  background: var(--bg-surface);
  border: 1px solid rgba(232, 164, 69, 0.2);
}

.contrast-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 1rem;
}

.contrast-us .contrast-label {
  color: var(--accent);
}

.contrast-content {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-style: italic;
  color: var(--fg);
  line-height: 1.6;
}

/* ═══════════════ FEATURES ═══════════════ */

.features {
  padding: 6rem 2rem;
}

.features-inner {
  max-width: 820px;
  margin: 0 auto;
}

.feature-block {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1rem;
  padding: 3rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.feature-block:first-child {
  padding-top: 0;
}

.feature-block:last-child {
  border-bottom: none;
}

.feature-number {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-dim);
  padding-top: 0.3rem;
}

.feature-content h3 {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 400;
  margin-bottom: 0.4rem;
}

.feature-subtitle {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--fg-dim);
  margin-bottom: 1rem;
  font-weight: 500;
}

.feature-content p:last-child {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.8;
}

/* ═══════════════ PHILOSOPHY ═══════════════ */

.philosophy {
  padding: 6rem 2rem 8rem;
  background: var(--bg-elevated);
}

.philosophy-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.philosophy-text h2 {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: 1.5rem;
}

.philosophy-text p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.philosophy-closing {
  color: var(--accent) !important;
  font-weight: 400;
  font-size: 1.1rem !important;
}

/* ═══════════════ FOOTER ═══════════════ */

.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-inner {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: 0.05em;
}

.footer-tagline {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--fg-dim);
}

/* ═══════════════ RESPONSIVE ═══════════════ */

@media (min-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
  }

  .problem-contrast {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  html { font-size: 16px; }

  .hero { padding: 4rem 1.5rem 3rem; min-height: 90vh; }

  .problem { padding: 4rem 1.5rem; }
  .features { padding: 4rem 1.5rem; }
  .philosophy { padding: 4rem 1.5rem 5rem; }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .feature-number {
    padding-top: 0;
  }

  .problem-contrast {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}