:root {
  --bg-primary: #0C0F14;
  --bg-secondary: #12161E;
  --bg-card: #181D28;
  --bg-card-hover: #1E2433;
  --fg-primary: #E8E6E1;
  --fg-secondary: #9A978F;
  --fg-muted: #5E5C57;
  --accent: #C9A84C;
  --accent-soft: rgba(201, 168, 76, 0.12);
  --accent-glow: rgba(201, 168, 76, 0.25);
  --alert-red: #D4654A;
  --alert-amber: #D4A34A;
  --signal-green: #4A9E6A;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --max-width: 1120px;
}

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

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ── Hero ────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 24px 60px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--fg-primary);
  margin-bottom: 28px;
}

.hero-accent {
  color: var(--accent);
}

.hero-lede {
  font-size: 1.15rem;
  color: var(--fg-secondary);
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 56px;
}

/* Hero visual mockup */
.hero-visual {
  width: 100%;
  max-width: 640px;
}

.visual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.vis-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-sm);
  padding: 20px;
}

.vis-card-main {
  grid-column: 1 / -1;
}

.vis-label {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  margin-bottom: 6px;
}

.vis-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 12px;
}

.vis-bar {
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 10px;
}

.vis-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--signal-green));
  border-radius: 2px;
}

.vis-sub {
  font-size: 12px;
  color: var(--fg-muted);
}

.vis-alert-dot {
  width: 8px;
  height: 8px;
  background: var(--alert-amber);
  border-radius: 50%;
  margin-bottom: 8px;
  animation: pulse 2s ease-in-out infinite;
}

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

.vis-alert-text {
  font-size: 14px;
  color: var(--fg-primary);
  font-weight: 500;
}

.vis-signal-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 13px;
  color: var(--fg-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.vis-signal-row:last-child { border-bottom: none; }

.vis-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(74, 158, 106, 0.15);
  color: var(--signal-green);
}

.vis-tag-warn {
  background: rgba(212, 163, 74, 0.15);
  color: var(--alert-amber);
}

/* ── Problem ─────────────────────────────── */
.problem {
  padding: 120px 24px;
  background: var(--bg-secondary);
}

.problem-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 24px;
}

.problem-statement {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 400;
  line-height: 1.55;
  color: var(--fg-primary);
  max-width: 760px;
  margin-bottom: 20px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.problem-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}

.problem-desc {
  font-size: 14px;
  color: var(--fg-secondary);
  line-height: 1.6;
}

/* ── Features ────────────────────────────── */
.features {
  padding: 120px 24px;
}

.features-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.features-intro {
  font-size: 1.15rem;
  color: var(--fg-secondary);
  max-width: 600px;
  margin-bottom: 56px;
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(201, 168, 76, 0.15);
}

.feature-icon {
  font-size: 18px;
  color: var(--accent);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 12px;
}

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

/* ── How / Built For ─────────────────────── */
.how {
  padding: 120px 24px;
  background: var(--bg-secondary);
}

.how-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.how-intro {
  font-size: 1.15rem;
  color: var(--fg-secondary);
  max-width: 640px;
  margin-bottom: 56px;
  line-height: 1.7;
}

.how-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.how-column h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 20px;
}

.how-column ul {
  list-style: none;
}

.how-column li {
  font-size: 14px;
  color: var(--fg-secondary);
  padding: 10px 0;
  padding-left: 20px;
  position: relative;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  line-height: 1.6;
}

.how-column li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 16px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.how-column li:last-child { border-bottom: none; }

/* ── Closing ─────────────────────────────── */
.closing {
  padding: 140px 24px;
  text-align: center;
}

.closing-inner {
  max-width: 720px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--fg-primary);
  margin-bottom: 24px;
}

.closing-text {
  font-size: 1.1rem;
  color: var(--fg-secondary);
  line-height: 1.75;
  margin-bottom: 48px;
}

.closing-tagline {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 36px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-btn {
  display: inline-block;
  background: var(--accent);
  color: var(--bg-primary);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 36px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
  letter-spacing: 0.01em;
  box-shadow: 0 4px 20px rgba(201,168,76,0.25);
}

.cta-btn:hover {
  background: #d4b05a;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(201,168,76,0.35);
}

.cta-btn:active {
  transform: translateY(0);
}

.cta-btn-ghost {
  display: inline-block;
  background: transparent;
  color: var(--fg-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.12);
  text-decoration: none;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  letter-spacing: 0.01em;
}

.cta-btn-ghost:hover {
  color: var(--fg-primary);
  border-color: rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.04);
}

/* ── Landing Nav ─────────────────────────── */
.landing-nav {
  padding: 0 24px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.landing-nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.landing-nav-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
}

.landing-nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.landing-nav-link {
  font-size: 14px;
  color: var(--fg-secondary);
  text-decoration: none;
  transition: color 0.15s;
}

.landing-nav-link:hover {
  color: var(--fg-primary);
}

.landing-nav-cta {
  font-size: 14px;
  font-weight: 600;
  color: var(--bg-primary);
  background: var(--accent);
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background 0.15s;
}

.landing-nav-cta:hover {
  background: #d4b05a;
}

@media (max-width: 480px) {
  .landing-nav-links .landing-nav-link {
    display: none;
  }
}

/* ── Footer ──────────────────────────────── */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 6px;
}

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

/* ── Responsive ──────────────────────────── */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 60px 20px 48px;
  }

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

  .problem-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .how-columns {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .problem, .features, .how {
    padding: 80px 20px;
  }

  .closing {
    padding: 100px 20px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .closing h2 {
    font-size: 1.5rem;
  }

  .problem-number {
    font-size: 2.2rem;
  }
}