:root {
  --bg: #0F0D0A;
  --bg-elevated: #1A1612;
  --bg-card: #211D18;
  --fg: #F2E8DC;
  --fg-muted: #9C8E7E;
  --fg-dim: #6B5F53;
  --accent: #C8956C;
  --accent-soft: rgba(200, 149, 108, 0.12);
  --accent-glow: rgba(200, 149, 108, 0.06);
  --border: rgba(200, 149, 108, 0.1);
  --radius: 12px;
  --radius-lg: 20px;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ---- NAV ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(15, 13, 10, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 20px;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.nav-tag {
  font-size: 13px;
  color: var(--fg-muted);
  padding: 5px 14px;
  border-radius: 100px;
  border: 1px solid var(--border);
  font-family: var(--font-body);
}

/* ---- HERO ---- */
.hero {
  padding: 160px 24px 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
}

.hero-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid var(--accent);
  margin-bottom: 32px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-family: var(--font-heading);
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--fg);
  margin-bottom: 28px;
  max-width: 780px;
}

.hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 560px;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 36px;
  padding: 28px 36px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: fit-content;
}

.stat { display: flex; flex-direction: column; gap: 4px; }

.stat-num {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 13px;
  color: var(--fg-dim);
  letter-spacing: 0.01em;
}

.stat-divider {
  width: 1px;
  height: 44px;
  background: var(--border);
}

/* ---- PROBLEM ---- */
.problem {
  padding: 100px 24px;
  border-top: 1px solid var(--border);
}

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

.problem-label {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
}

.problem h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 48px;
  color: var(--fg);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.problem-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.problem-num {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
}

.problem-text h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.problem-text p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--fg-muted);
}

/* ---- FEATURES ---- */
.features {
  padding: 100px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

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

.features-label {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
}

.features h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 48px;
  color: var(--fg);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 40px;
}

.feature-card {
  padding: 36px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.25s;
}

.feature-card:hover {
  border-color: rgba(200, 149, 108, 0.25);
}

.feature-card-main {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--bg) 0%, rgba(200, 149, 108, 0.04) 100%);
  border-color: rgba(200, 149, 108, 0.18);
}

.feature-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border-radius: 10px;
  font-size: 20px;
  margin-bottom: 20px;
  color: var(--accent);
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.feature-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 480px;
}

.features-note {
  padding: 24px 32px;
  border-radius: var(--radius);
  border: 1px dashed var(--border);
}

.features-note p {
  font-size: 15px;
  color: var(--fg-dim);
  font-style: italic;
  text-align: center;
}

/* ---- CLOSING ---- */
.closing {
  padding: 120px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.closing-inner {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
}

.closing h2 {
  font-family: var(--font-heading);
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.25;
  color: var(--fg);
  margin-bottom: 20px;
}

.closing p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--fg-muted);
  margin-bottom: 40px;
}

.closing-detail {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 14px;
  color: var(--fg-dim);
  font-family: var(--font-heading);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.closing-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}

/* ---- CTA BUTTON ---- */
.cta-button {
  display: inline-block;
  padding: 14px 36px;
  margin-top: 36px;
  background: var(--accent);
  color: var(--bg);
  text-decoration: none;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
  transition: all 0.25s;
  border: 2px solid var(--accent);
  cursor: pointer;
}

.cta-button:hover {
  background: transparent;
  color: var(--accent);
}

.cta-button:active {
  transform: scale(0.98);
}

/* ---- FOOTER ---- */
.footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-logo {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 16px;
  color: var(--fg);
}

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

.footer-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--fg-dim);
}

.footer-sep { opacity: 0.3; }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero { padding: 120px 20px 72px; }
  .hero-stats {
    flex-direction: column;
    gap: 20px;
    padding: 24px;
    width: 100%;
  }
  .stat-divider {
    width: 100%;
    height: 1px;
  }
  .stat {
    flex-direction: row;
    align-items: center;
    gap: 12px;
  }
  .problem-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature-card-main {
    grid-column: 1;
  }
  .footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  .footer-brand {
    flex-direction: column;
    gap: 4px;
  }
  .closing-detail {
    flex-direction: column;
    gap: 8px;
  }
  .closing-dot { display: none; }
  .nav-tag { display: none; }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .hero-sub { font-size: 16px; }
  .problem, .features, .closing { padding: 72px 20px; }
}