:root {
  --bg: #0a0a0a;
  --bg-elevated: #141414;
  --bg-card: #1a1a1a;
  --fg: #f0ede8;
  --fg-muted: #9a9590;
  --fg-dim: #5a5550;
  --accent: #e8c4a0;
  --accent-bright: #f5dfc5;
  --accent-glow: rgba(232, 196, 160, 0.15);
  --highlight: #d4a574;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-width: 1200px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ============ NAV ============ */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--accent);
  text-transform: lowercase;
}

.nav-tag {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--fg-muted);
  border: 1px solid var(--fg-dim);
  padding: 0.4rem 1rem;
  border-radius: 100px;
}

/* ============ HERO ============ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  position: relative;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--fg-dim), transparent);
}

.hero-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
}

.hero-overline {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: var(--space-md);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 540px;
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: var(--space-md);
}

/* ── Hero CTA Button ── */
.hero-cta-btn {
  display: inline-block;
  background: var(--accent);
  color: #0a0a0a;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  padding: 1rem 2.25rem;
  border-radius: 10px;
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: background 0.2s, transform 0.15s;
  align-self: flex-start;
}
.hero-cta-btn:hover {
  background: var(--accent-bright);
  transform: translateY(-2px);
}

/* Nav CTA link */
.hero-cta-nav {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid rgba(232,196,160,0.35);
  padding: 0.45rem 1.1rem;
  border-radius: 100px;
  transition: background 0.2s, color 0.2s;
}
.hero-cta-nav:hover {
  background: var(--accent-glow);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md) var(--space-xl);
  width: 100%;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-dim);
  display: block;
  margin-top: var(--space-xs);
  max-width: 200px;
}

.stat-divider {
  width: 1px;
  height: 60px;
  background: var(--fg-dim);
}

/* ============ PROBLEM ============ */
.problem {
  padding: var(--space-2xl) var(--space-md);
  background: var(--bg-elevated);
}

.problem-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.problem-left h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  position: sticky;
  top: var(--space-lg);
}

.highlight {
  color: var(--accent);
  font-style: italic;
}

.problem-right p {
  font-size: 1.05rem;
  color: var(--fg-muted);
  margin-bottom: var(--space-md);
  line-height: 1.8;
  font-weight: 300;
}

.problem-accent {
  color: var(--accent) !important;
  font-weight: 500 !important;
  font-family: var(--font-display);
  font-size: 1.15rem !important;
}

/* ============ FEATURES ============ */
.features {
  padding: var(--space-2xl) var(--space-md);
}

.features-header {
  max-width: var(--max-width);
  margin: 0 auto var(--space-xl);
}

.section-tag {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
}

.features-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 16px;
  padding: var(--space-lg) var(--space-md);
  transition: border-color 0.3s ease, background 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(232, 196, 160, 0.2);
  background: rgba(232, 196, 160, 0.03);
}

.feature-large {
  grid-column: span 3;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  gap: 0 var(--space-md);
  align-items: start;
  background: linear-gradient(135deg, var(--bg-card), rgba(232, 196, 160, 0.05));
}

.feature-large .feature-number {
  grid-row: span 2;
  font-size: 4rem;
  align-self: center;
}

.feature-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--fg-dim);
  margin-bottom: var(--space-sm);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  color: var(--fg);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
  font-weight: 300;
}

/* ============ HOW ============ */
.how {
  padding: var(--space-2xl) var(--space-md);
  background: var(--bg-elevated);
}

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

.how-content h2 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-xl);
}

.how-points {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.how-point {
  display: flex;
  gap: var(--space-md);
  align-items: start;
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.how-point:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.how-icon {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(232, 196, 160, 0.2);
  border-radius: 12px;
  min-width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.how-text h4 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.how-text p {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  font-weight: 300;
  max-width: 600px;
}

/* ============ CLOSING ============ */
.closing {
  padding: var(--space-2xl) var(--space-md);
  text-align: center;
  position: relative;
}

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

.closing-content {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}

.closing-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  line-height: 1.8;
  font-weight: 300;
}

.closing-sub em {
  color: var(--accent);
  font-style: italic;
}

/* ============ FOOTER ============ */
.footer {
  padding: var(--space-xl) var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.05);
}

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

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
  text-transform: lowercase;
  margin-bottom: var(--space-xs);
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-bottom: var(--space-sm);
}

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

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .problem-left h2 {
    position: static;
  }

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

  .feature-large {
    grid-column: span 1;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .feature-large .feature-number {
    grid-row: auto;
    font-size: 2rem;
  }

  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .stat-divider {
    width: 60px;
    height: 1px;
  }

  .how-point {
    flex-direction: column;
  }

  .how-icon {
    min-width: 56px;
    height: 56px;
    font-size: 1rem;
  }

  .closing::before {
    width: 300px;
    height: 300px;
  }
}