/* ================================
   Home Page
   ================================ */

/* Hero */
.hero {
  position: relative;
  padding-top: 6rem;
  padding-bottom: 8rem;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  opacity: 0.4;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.hero-eyebrow-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.hero-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 9vw, 8rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.04em;
  max-width: 1100px;
}

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

.hero-sub-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 4rem;
  align-items: end;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 480px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

/* Stats strip */
.stats {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 2.5rem 0;
}

.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* What you'll learn */
.features {
  padding: 8rem 0;
}

.section-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  margin-bottom: 5rem;
  align-items: end;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.03em;
}

.section-head p {
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 480px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.feature-card {
  background: var(--bg);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: background 0.3s var(--ease);
}

.feature-card:hover {
  background: var(--bg-alt);
}

.feature-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.feature-card p {
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* CTA band */
.cta-band {
  background: var(--ink);
  color: var(--bg);
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 60%);
  opacity: 0.25;
  pointer-events: none;
}

.cta-inner {
  position: relative;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.cta-inner .italic-accent {
  color: var(--accent);
}

.cta-inner p {
  color: rgba(250, 250, 247, 0.7);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.cta-band .btn-primary {
  background: var(--bg);
  color: var(--ink);
}

.cta-band .btn-primary:hover {
  background: var(--accent);
  color: var(--bg);
}

@media (max-width: 768px) {
  .hero-sub-row {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .hero-actions {
    justify-content: flex-start;
  }
  .stats-inner {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .section-head {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .cta-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}