/* Container */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Section base */
section {
  padding: var(--spacing-xl) 0;
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background var(--transition-base), backdrop-filter var(--transition-base);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 var(--spacing-md);
  max-width: 1120px;
  margin: 0 auto;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav__brand img {
  width: 28px;
  height: 28px;
  border-radius: 7px;
}

.nav__brand-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--spacing-xl) + 64px) var(--spacing-md) var(--spacing-xl);
  background: linear-gradient(135deg, var(--color-bg-1) 0%, var(--color-bg-3) 100%);
  position: relative;
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  max-width: 640px;
}

.hero__tagline {
  font-size: clamp(1.0625rem, 2.5vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 480px;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xs);
}

/* How It Works */
.how-it-works {
  padding: var(--spacing-xxl) 0;
}

.how-it-works__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

/* Screenshots */
.screenshots {
  padding: var(--spacing-xl) 0;
  overflow: hidden;
}

.screenshots__scroll {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Features */
.features {
  padding: var(--spacing-xxl) 0;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

/* CTA */
.cta-section {
  padding: var(--spacing-xxl) 0;
  text-align: center;
}

.cta-section__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.cta-section__subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
}

/* Footer */
.footer {
  padding: var(--spacing-lg) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.footer__copy {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Section header utility */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-header h2 {
  margin-top: var(--spacing-xs);
}

/* Responsive — Tablet (≤ 768px) */
@media (max-width: 768px) {
  .how-it-works__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .features__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .screenshots__scroll {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: scroll;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: var(--spacing-md) var(--spacing-md);
  }

  .footer__inner {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }
}

/* Responsive — Mobile (≤ 480px) */
@media (max-width: 480px) {
  section {
    padding: var(--spacing-lg) 0;
  }

  .how-it-works,
  .features {
    padding: var(--spacing-xl) 0;
  }

  .nav__brand-name {
    display: none;
  }
}