/* ── Reset & Base ── */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  color: #333;
}

/* ── Header ── */
header {
  background: #1a2535;
  color: white;
  padding: 2rem;
  text-align: center;
}
.header-content h1 {
  font-size: 2rem;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
}
.tagline {
  color: #aab4c4;
  font-size: 1rem;
  letter-spacing: 3px;
  text-transform: uppercase;
}

/* ── Navigation ── */
nav {
  background: #2c3e50;
  padding: 0.85rem 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
nav a {
  color: white;
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}
nav a:hover { color: #3498db; }
.portal-btn {
  margin-left: auto;
  background: #3498db;
  padding: 0.4rem 1.1rem;
  border-radius: 20px;
  font-size: 0.9rem !important;
}
.portal-btn:hover {
  background: #2980b9 !important;
  color: white !important;
}

/* ── Hero ── */
.hero {
  background: linear-gradient(135deg, #1a2535 0%, #2c3e50 100%);
  color: white;
  padding: 5rem 2rem;
  text-align: center;
}
.hero-content h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}
.hero-content p {
  font-size: 1.1rem;
  color: #aab4c4;
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}
.hero-btn {
  display: inline-block;
  background: #3498db;
  color: white;
  text-decoration: none;
  padding: 0.85rem 2rem;
  border-radius: 30px;
  font-size: 1rem;
  transition: background 0.2s, transform 0.2s;
}
.hero-btn:hover {
  background: #2980b9;
  transform: translateY(-2px);
}

/* ── Sections ── */
.section {
  padding: 4rem 2rem;
  background: white;
}
.section.alt {
  background: #f5f5f5;
}
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.section h2 {
  font-size: 1.7rem;
  color: #2c3e50;
  margin-bottom: 1rem;
  text-align: center;
}
.section p {
  color: #666;
  line-height: 1.7;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

/* ── Classes Grid ── */
.classes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  margin: 2.5rem 0;
}
.class-card {
  background: white;
  border: 1px solid #ddd;
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}
.class-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.1);
}
.class-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 0.75rem;
}
.class-card h3 {
  font-size: 1rem;
  color: #2c3e50;
  margin-bottom: 0.5rem;
}
.class-card p {
  font-size: 0.85rem;
  color: #888;
  text-align: center;
}
.classes-cta {
  text-align: center;
  margin-top: 1rem;
}

/* ── Contact ── */
.contact-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}
.contact-btn {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  border: 2px solid #2c3e50;
  border-radius: 30px;
  text-decoration: none;
  color: #2c3e50;
  font-size: 0.95rem;
  transition: background 0.2s, color 0.2s;
}
.contact-btn:hover {
  background: #2c3e50;
  color: white;
}

/* ── Footer ── */
footer {
  background: #1a2535;
  color: #aab4c4;
  text-align: center;
  padding: 2rem;
  font-size: 0.88rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
footer a {
  color: #3498db;
  text-decoration: none;
  font-size: 0.88rem;
}
footer a:hover { text-decoration: underline; }

/* ── Responsive ── */
@media (max-width: 600px) {
  .hero-content h2 { font-size: 1.5rem; }
  .header-content h1 { font-size: 1.4rem; }
  .classes-grid { grid-template-columns: 1fr 1fr; }
  nav { gap: 0.75rem; }
  .portal-btn { margin-left: 0; }
}