/* ==========================================================================
   Helico-Presto — Layout
   Grid, containers, responsive breakpoints
   ========================================================================== */

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.container-wide {
  max-width: 1400px;
}

/* ---------- Sections ---------- */
.section {
  padding: var(--space-2xl) 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-2xl);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-header p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-body-lg);
}

/* ---------- Grids ---------- */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-auto {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* ---------- Flex helpers ---------- */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ---------- Two-column content ---------- */
.content-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.content-split-60 {
  grid-template-columns: 3fr 2fr;
}

/* ---------- Spacing utilities ---------- */
.mt-0  { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-0  { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

/* ---------- Text utilities ---------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* ---------- Display utilities ---------- */
.hidden { display: none !important; }

/* ==========================================================================
   Responsive
   Mobile-first: default = mobile, then scale up
   ========================================================================== */

/* ---------- Tablet Small (640px+) ---------- */
@media (min-width: 640px) {
  .section {
    padding: var(--space-3xl) 0;
  }

  .grid-2-sm {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-bar-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .photo-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- Tablet (768px+) ---------- */
@media (min-width: 768px) {
  .container {
    padding-left: 40px;
    padding-right: 40px;
  }

  .section {
    padding: var(--space-4xl) 0;
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .photo-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }
}

/* ---------- Desktop Small (1024px+) ---------- */
@media (min-width: 1024px) {
  h1 { font-size: var(--font-size-h1); }
  .text-display { font-size: var(--font-size-display); }

  .container {
    padding-left: var(--space-4xl);
    padding-right: var(--space-4xl);
  }

  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .trust-bar-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .content-split {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: var(--space-2xl);
  }

  .photo-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Navigation — show desktop */
  .nav-hamburger {
    display: none;
  }

  .nav-links {
    display: flex;
  }
}

/* ---------- Desktop (1280px+) ---------- */
@media (min-width: 1280px) {
  .container {
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- Mobile defaults (below 1024px) ---------- */
@media (max-width: 1023px) {
  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .nav-actions .btn {
    display: none;
  }
}

@media (max-width: 767px) {
  h1 {
    font-size: var(--font-size-h2);
  }

  .text-display {
    font-size: var(--font-size-h1);
  }

  h2 {
    font-size: var(--font-size-h3);
  }

  .hero {
    min-height: 75vh;
  }

  .hero-page {
    min-height: 40vh;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .content-split,
  .content-split-60 {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .steps-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
  }

  .trust-bar-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

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

  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }

  .cta-banner {
    padding: var(--space-2xl) 0;
  }
}

@media (max-width: 479px) {
  .trust-bar-grid {
    grid-template-columns: 1fr;
  }

  .photo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}