/* ==========================================================================
   Adonai Tuition Center — Responsive (single-page)
   ========================================================================== */

/* Grid helpers */
.grid { display: grid; gap: 1.6rem; }
.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-5 { grid-template-columns: repeat(5, 1fr); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 4vw, 3.5rem); align-items: center; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.6fr; gap: 2rem; }

/* Large screens */
@media (min-width: 1400px) { :root { --container: 1260px; } }

/* Tablets (<= 992px) */
@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }

  .nav-toggle { display: grid; }
  .nav-cta { display: none; }
  .nav-links {
    position: fixed; inset: var(--nav-h) 0 auto 0; flex-direction: column; align-items: stretch;
    gap: .2rem; background: #fff; box-shadow: var(--shadow-md); padding: 1rem; margin: 0;
    transform: translateY(-140%); transition: transform .4s var(--ease); max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a, .nav:not(.solid) .nav-links a { color: var(--ink); padding: .85rem 1rem; border-radius: 10px; font-size: 1.02rem; }
  .nav-links a::after { display: none; }
  .nav-links a:hover, .nav-links a.active { background: var(--bg-alt); }
  .nav-links .nav-cta { display: block; margin: .4rem 0 0; }
  .nav-links .nav-cta .btn { width: 100%; }
}

/* Large phones (<= 768px) */
@media (max-width: 768px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .section { padding: 3.2rem 0; }
  .hero { min-height: auto; padding-top: calc(var(--nav-h) + 2.5rem); }
  .hero-cta .btn { width: 100%; }
}

/* Phones (<= 576px) */
@media (max-width: 576px) {
  :root { --nav-h: 64px; }
  .grid-4, .grid-5 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .brand span { display: none; }
  .hero-stats { gap: 1.6rem; }
  .admissions-actions { max-width: 100%; }
}