/* ============================================
   Responsive — Mobile First
   ============================================ */

/* ---- Mobile (default) ---- */
.hero-inner {
  grid-template-columns: 1fr;
}

.hero-form-card {
  display: none;
}

.stats-bar-inner {
  grid-template-columns: 1fr 1fr;
}

.stat-counter-grid {
  grid-template-columns: 1fr 1fr;
}

.footer-cta-grid {
  grid-template-columns: 1fr;
}

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

.hamburger {
  display: flex;
}

.header-nav {
  display: none;
}

/* Section nav hidden on mobile — shown via hamburger */
.section-nav {
  display: none;
}

.section-nav.open {
  display: block;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-header);
}

.mobile-menu.open {
  display: block;
}

.mobile-menu-section {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-gray-100);
}

.mobile-menu-section:last-child {
  border-bottom: none;
}

.mobile-menu-section-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  color: var(--color-gray-400);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.mobile-menu-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.mobile-menu-links .section-nav-link {
  font-size: var(--font-size-sm);
}

.mobile-menu-actions {
  padding: var(--space-4) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.floating-cta {
  display: block;
}

/* About grid stacks on mobile */
.about-grid {
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

/* ---- Tablet (768px) ---- */
@media (min-width: 768px) {
  .stats-bar-inner {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .footer-cta-grid {
    grid-template-columns: 1fr 1fr;
  }

  .about-grid {
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-12);
  }
}

/* ---- Desktop (1024px) ---- */
@media (min-width: 1024px) {
  .hamburger {
    display: none;
  }

  .header-nav {
    display: flex;
  }

  .section-nav {
    display: block;
  }

  .mobile-menu {
    display: none !important;
  }

  .hero-inner {
    grid-template-columns: 1fr 380px;
  }

  .hero-form-card {
    display: block;
  }

  .floating-cta {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

/* ---- Wide Desktop (1280px) ---- */
@media (min-width: 1280px) {
  :root {
    --container-padding: var(--space-8);
  }
}

/* ---- Mobile-specific adjustments ---- */
@media (max-width: 767px) {
  .section {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
  }

  .hero-university {
    font-size: var(--font-size-3xl);
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
    max-width: 320px;
  }

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

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

  .tab-group {
    width: 100%;
    display: flex;
  }

  .tab-btn {
    flex: 1;
    text-align: center;
  }

  .table-wrapper {
    margin-left: calc(-1 * var(--container-padding));
    margin-right: calc(-1 * var(--container-padding));
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .scholarship-banner {
    flex-direction: column;
    text-align: center;
  }

  .stat-counter {
    padding: var(--space-5) var(--space-3);
  }

  .stat-counter-value {
    font-size: var(--font-size-3xl);
  }

  .modal {
    max-width: 100%;
    width: 100%;
    height: 100%;
    max-height: 100%;
    border-radius: 0;
    top: 0;
    left: 0;
    transform: none;
  }

  .modal.active {
    transform: none;
  }

  .header-phone {
    display: none;
  }

  .section-header {
    margin-bottom: var(--space-8);
  }
}