:root {
  --bg: #0e0e0e;
  --surface: #181818;
  --surface-2: #222222;
  --fg: #f0ede8;
  --fg-2: #9e9b95;
  --accent: #e8a838;
  --accent-dim: #b8822a;
  --green: #4caf6a;
  --border: #2a2a2a;
}

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

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

/* NAV */
.nav {
  padding: 24px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.nav-logo {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 22px;
  font-weight: 400;
  color: var(--fg);
  letter-spacing: -0.02em;
}
.nav-tagline {
  font-size: 13px;
  color: var(--fg-2);
  font-weight: 300;
  letter-spacing: 0.03em;
}

/* HERO */
.hero {
  padding: 80px 48px 96px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-eyebrow {
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 20px;
}
.hero-headline {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 28px;
}
.hero-sub {
  font-size: 17px;
  color: var(--fg-2);
  line-height: 1.65;
  font-weight: 300;
  max-width: 440px;
}

/* HERO CARD */
.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px;
  font-family: 'DM Sans', sans-serif;
}
.card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}
.card-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.card-dot.green { background: var(--green); }
.card-label {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-2);
  font-weight: 500;
}
.card-address {
  font-size: 15px;
  font-weight: 500;
  color: var(--fg);
  margin-bottom: 16px;
}
.card-divider {
  height: 1px;
  background: var(--border);
  margin-bottom: 16px;
}
.card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.card-key {
  font-size: 12px;
  color: var(--fg-2);
  font-weight: 400;
}
.card-val {
  font-size: 13px;
  color: var(--fg);
  font-weight: 500;
}
.card-verdict {
  margin-top: 16px;
}
.verdict-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 4px;
  letter-spacing: 0.03em;
}
.verdict-tag.viable {
  background: rgba(76, 175, 106, 0.15);
  color: var(--green);
}

/* PROBLEM */
.problem {
  padding: 96px 48px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.problem-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.problem-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 24px;
}
.problem-headline {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 64px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px 64px;
}
.problem-stat {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 36px;
  color: var(--accent);
  font-weight: 400;
  margin-bottom: 8px;
}
.problem-desc {
  font-size: 15px;
  color: var(--fg-2);
  line-height: 1.55;
}

/* SOLUTION */
.solution {
  padding: 96px 48px 64px;
}
.solution-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.solution-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 24px;
}
.solution-headline {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 20px;
}
.solution-sub {
  font-size: 17px;
  color: var(--fg-2);
  font-weight: 300;
  max-width: 500px;
  line-height: 1.65;
}

/* FEATURES */
.features {
  padding: 64px 48px 96px;
}
.features-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.feature-icon {
  color: var(--accent);
  margin-bottom: 20px;
}
.feature-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--fg);
  margin-bottom: 10px;
}
.feature-desc {
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.6;
  font-weight: 300;
}

/* WORKFLOW */
.workflow {
  padding: 96px 48px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.workflow-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.workflow-steps {
  display: flex;
  align-items: center;
  gap: 0;
}
.step {
  flex: 1;
  padding: 32px;
  border: 1px solid var(--border);
  background: var(--bg);
  border-radius: 6px;
}
.step-num {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 40px;
  color: var(--accent);
  font-weight: 400;
  margin-bottom: 16px;
  opacity: 0.7;
}
.step-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--fg);
  margin-bottom: 10px;
}
.step-desc {
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.6;
  font-weight: 300;
}
.step-arrow {
  color: var(--fg-2);
  padding: 0 24px;
  flex-shrink: 0;
}

/* CLOSING */
.closing {
  padding: 96px 48px;
}
.closing-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.closing-rule {
  width: 48px;
  height: 2px;
  background: var(--accent);
  margin-bottom: 40px;
}
.closing-headline {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 28px;
}
.closing-sub {
  font-size: 18px;
  color: var(--fg-2);
  font-weight: 300;
  max-width: 480px;
  line-height: 1.65;
}

/* FOOTER */
.footer {
  padding: 32px 48px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.footer-brand {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 18px;
  color: var(--fg);
}
.footer-copy {
  font-size: 13px;
  color: var(--fg-2);
  font-weight: 300;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero { padding: 60px 24px 72px; }
  .problem { padding: 72px 24px; }
  .problem-grid { grid-template-columns: 1fr 1fr; }
  .features { padding: 48px 24px 72px; }
  .features-inner { grid-template-columns: 1fr 1fr; }
  .workflow { padding: 72px 24px; }
  .workflow-steps { flex-direction: column; gap: 16px; }
  .step-arrow { transform: rotate(90deg); padding: 8px 0; }
  .solution { padding: 72px 24px 48px; }
  .closing { padding: 72px 24px; }
  .nav { padding: 20px 24px; }
}
@media (max-width: 600px) {
  .features-inner { grid-template-columns: 1fr; }
  .problem-grid { grid-template-columns: 1fr; }
}