:root {
  --bg: #07111f;
  --panel: rgba(11, 22, 38, 0.86);
  --panel-2: rgba(18, 31, 48, 0.92);
  --text: #edf4ff;
  --muted: #b9c7df;
  --primary: #6c5ce7;
  --secondary: #2dd4bf;
  --accent: #ffb703;
  --border: rgba(255, 255, 255, 0.1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(77, 129, 255, 0.18), transparent 25%),
    linear-gradient(180deg, #04101f 0%, #071828 45%, #020912 100%);
  min-height: 100vh;
  overflow-x: hidden;
}
img { width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1200px, calc(100% - 2rem)); margin: 0 auto; }

.site-header {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(3, 7, 14, 0.65);
  border-bottom: 1px solid var(--border);
}
.nav-bar { display: flex; align-items: center; justify-content: space-between; padding: 1rem 0; gap: 1rem; }
.brand { font-size: 1.15rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.nav-links { display: flex; gap: 1rem; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--muted); padding: 0.45rem 0.65rem; border-radius: 999px; transition: all 0.2s ease; }
.nav-links a:hover, .nav-links a.active { color: white; background: rgba(108, 92, 231, 0.18); }
.nav-toggle { display: none; background: none; border: 1px solid var(--border); color: white; border-radius: 10px; padding: 0.45rem 0.65rem; }

.hero-section { padding: 4rem 0 2rem; }
.hero-grid, .section-grid, .contact-grid, .about-grid { display: grid; gap: 1.4rem; }
.hero-grid { grid-template-columns: 1.2fr 0.8fr; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.22em; font-size: 0.82rem; color: var(--secondary); }
h1 { font-size: clamp(2.1rem, 7vw, 4rem); line-height: 1.08; margin: 0.2rem 0 0.8rem; }
h2 { font-size: clamp(1.2rem, 3vw, 1.7rem); margin-top: 0; }
.lead, .section-heading p, .glass-card p, .course-card p { color: var(--muted); }
.actions { display: flex; gap: 0.75rem; margin: 1rem 0; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; padding: 0.8rem 1rem; border-radius: 12px;
  font-weight: 600; border: 1px solid transparent; transition: transform 0.15s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--primary), #8b7cff); color: white; }
.btn-secondary { background: rgba(45, 212, 191, 0.12); border-color: rgba(45, 212, 191, 0.35); color: white; }
.highlights { list-style: none; padding: 0; display: grid; gap: 0.55rem; color: var(--muted); }
.highlights li::before { content: '✓'; color: var(--secondary); margin-right: 0.45rem; }

.glass-card, .section-card, .course-card, .gallery-card, .profile-card {
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 1.1rem;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}
.hero-card { padding: 1rem; }
.hero-copy, .hero-card, .glass-card { min-width: 0; }
.stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; margin-top: 1rem; }
.stat-box { background: rgba(255,255,255,0.06); border: 1px solid var(--border); border-radius: 18px; padding: 0.8rem; }
.stat-box strong { display: block; font-size: 1.35rem; color: var(--accent); }
.stat-box span { color: var(--muted); font-size: 0.95rem; }

.section-card { margin: 1rem auto 2rem; }
.page-section { padding: 2rem 0 3rem; }
.courses-grid, .gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.course-logo { width: 72px; height: 72px; object-fit: contain; border-radius: 18px; margin-bottom: 0.75rem; background: rgba(255,255,255,0.04); padding: 0.35rem; }
.logo-strip {
  display: flex; gap: 0.55rem; overflow-x: auto; padding-bottom: 0.35rem; margin: 0.8rem 0 1rem;
  scrollbar-width: thin; scrollbar-color: rgba(108, 92, 231, 0.6) transparent;
}
.logo-strip::-webkit-scrollbar { height: 8px; }
.logo-strip::-webkit-scrollbar-thumb { background: rgba(108, 92, 231, 0.6); border-radius: 999px; }
.logo-chip {
  flex: 0 0 auto; min-width: 118px; display: flex; align-items: center; gap: 0.45rem;
  background: rgba(255,255,255,0.06); border: 1px solid var(--border); border-radius: 16px;
  padding: 0.45rem; box-shadow: 0 10px 22px rgba(0,0,0,0.18);
}
.logo-chip img { width: 28px; height: 28px; object-fit: contain; flex: 0 0 28px; }
.logo-chip span { font-weight: 600; color: var(--text); font-size: 0.82rem; line-height: 1.1; }

.course-list { color: var(--muted); line-height: 1.6; }
.home-course-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.8rem;
}
.home-course-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 12px;
  padding: 0.32rem 0.45rem;
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1;
  box-shadow: 0 6px 12px rgba(0,0,0,0.18);
}
.home-course-tag img {
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  object-fit: contain;
  display: block;
}
.profile-card img { border-radius: 18px; min-height: 280px; object-fit: cover; }
.profile-card h2 { margin-top: 0.8rem; }
.contact-form { display: grid; gap: 0.8rem; }
.contact-form label { display: grid; gap: 0.35rem; color: var(--muted); font-weight: 500; }
.map-frame { border-radius: 18px; overflow: hidden; border: 1px solid var(--border); background: rgba(255,255,255,0.06); box-shadow: 0 14px 30px rgba(0,0,0,0.25); }
.map-frame iframe { width: 100%; min-height: 320px; border: 0; display: block; }
.contact-form input, .contact-form select, .contact-form textarea {
  border-radius: 12px; border: 1px solid var(--border); background: rgba(255,255,255,0.08); color: white; padding: 0.8rem; font: inherit;
}
.form-message { color: var(--secondary); min-height: 1.2em; }
.gallery-card img { border-radius: 18px; aspect-ratio: 4 / 3; object-fit: cover; }

.site-footer { border-top: 1px solid var(--border); background: rgba(3, 10, 20, 0.96); padding: 1.2rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.35rem; color: var(--muted); }

@media (max-width: 1040px) {
  .hero-grid { grid-template-columns: 1fr; }
  .section-grid { grid-template-columns: 1fr; }
  .courses-grid, .gallery-grid, .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-banner { flex-direction: column; align-items: flex-start; }
  .hero-section { padding-top: 2rem; }
  .actions { gap: 0.6rem; }
}

@media (max-width: 780px) {
  .container { width: min(1200px, calc(100% - 1rem)); }
  .nav-toggle { display: inline-block; }
  .nav-links { position: absolute; top: 66px; right: 1rem; left: 1rem; display: none; flex-direction: column; background: rgba(5,10,18,0.98); border: 1px solid var(--border); border-radius: 18px; padding: 0.75rem; }
  .nav-links.open { display: flex; }
  .hero-grid, .section-grid, .courses-grid, .gallery-grid, .footer-grid, .feature-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .hero-section { padding: 1.4rem 0 1rem; }
  h1 { font-size: clamp(1.8rem, 8vw, 2.6rem); }
  .actions { display: grid; grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .course-grid-home { grid-template-columns: 1fr; }
  .course-pill { padding: 0.8rem; font-size: 0.95rem; }
  .course-list { padding-left: 1rem; word-break: break-word; }
  .glass-card, .section-card { overflow-wrap: anywhere; }
}