:root {
  --slate-950: #020617;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --indigo-950: #1e1b4b;
  --indigo-700: #4338ca;
  --indigo-600: #4f46e5;
  --indigo-500: #6366f1;
  --amber-600: #d97706;
  --amber-500: #f59e0b;
  --amber-400: #fbbf24;
  --emerald-500: #10b981;
  --rose-600: #e11d48;
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--slate-50);
  color: var(--slate-800);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(90deg, var(--slate-900), var(--indigo-950), var(--slate-900));
  color: white;
  box-shadow: 0 12px 28px rgba(2, 6, 23, 0.28);
}
.nav-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  background: var(--amber-500);
  color: var(--slate-950);
  padding: 9px 10px;
  border-radius: 14px;
  font-weight: 900;
  letter-spacing: 0.08em;
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.25);
}
.brand strong {
  display: block;
  font-size: 1.45rem;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  background: linear-gradient(90deg, white, var(--slate-200), var(--amber-400));
  -webkit-background-clip: text;
  color: transparent;
}
.brand small {
  display: block;
  color: #a5b4fc;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.nav-links { display: flex; align-items: center; gap: 24px; color: var(--slate-300); font-size: 0.92rem; font-weight: 700; }
.nav-links a:hover { color: var(--amber-400); }
.nav-cta { background: var(--amber-500); color: var(--slate-950) !important; padding: 9px 16px; border-radius: 10px; box-shadow: 0 8px 20px rgba(245, 158, 11, 0.25); }
.menu-toggle { display: none; background: transparent; border: 0; color: white; font-size: 1.4rem; }

.hero {
  position: relative;
  overflow: hidden;
  color: white;
  background: linear-gradient(180deg, var(--indigo-950), var(--slate-900));
  padding: 90px 24px;
  text-align: center;
}
.hero-glow { position: absolute; inset: 0; background: radial-gradient(circle at 80% 0%, rgba(99,102,241,.2), transparent 45%); }
.hero-inner { position: relative; max-width: 980px; margin: 0 auto; }
.eyebrow { display: inline-block; border: 1px solid rgba(99,102,241,.45); background: rgba(99,102,241,.17); color: #c7d2fe; padding: 8px 16px; border-radius: 999px; font-size: .72rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.hero h1 { font-size: clamp(2.5rem, 7vw, 5.5rem); line-height: 1.02; margin: 26px 0 18px; letter-spacing: -0.06em; }
.hero h1 span { color: var(--amber-400); }
.hero p { max-width: 800px; margin: 0 auto 34px; color: var(--slate-300); font-size: clamp(1rem, 2vw, 1.25rem); }
.hero-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }
.btn { display: inline-block; padding: 14px 26px; border-radius: 14px; font-weight: 800; transition: transform .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); }
.primary { background: var(--indigo-600); color: white; box-shadow: 0 16px 28px rgba(79,70,229,.28); }
.secondary { background: rgba(30,41,59,.85); color: var(--slate-200); border: 1px solid var(--slate-700); }

.flash { max-width: 760px; margin: 24px auto 0; padding: 16px 18px; border-radius: 14px; background: rgba(16,185,129,.1); color: #059669; border: 2px solid var(--emerald-500); display: flex; gap: 12px; align-items: center; font-weight: 800; }
.hidden { display: none; }

.resource-grid { max-width: 1180px; margin: -32px auto 0; padding: 0 24px 48px; position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.resource-card { background: white; padding: 24px; border-radius: 22px; border: 1px solid var(--slate-100); box-shadow: var(--shadow); display: flex; gap: 18px; align-items: flex-start; }
.resource-card h2 { margin: 0 0 4px; color: var(--slate-900); font-size: 1.1rem; }
.resource-card p { margin: 0; color: var(--slate-500); font-size: .92rem; }
.icon { min-width: 54px; height: 54px; display: grid; place-items: center; border-radius: 16px; font-size: 1.4rem; }
.icon.indigo { color: var(--indigo-600); background: #eef2ff; }
.icon.amber { color: var(--amber-600); background: #fffbeb; }
.icon.rose { color: var(--rose-600); background: #fff1f2; }

.catalog-section { max-width: 1180px; margin: 0 auto; padding: 60px 24px; }
.section-title { text-align: center; margin-bottom: 45px; }
.section-title h2 { margin: 0; color: var(--slate-900); font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.04em; }
.section-title p { color: var(--slate-500); max-width: 680px; margin: 8px auto 0; }
.catalog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.catalog-card { background: white; border: 1px solid rgba(203,213,225,.85); border-radius: 22px; overflow: hidden; box-shadow: 0 12px 26px rgba(15,23,42,.08); transition: transform .25s ease, box-shadow .25s ease; }
.catalog-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card-head { background: linear-gradient(90deg, var(--slate-900), var(--indigo-950)); color: white; padding: 24px; display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.card-head h3 { margin: 0; font-size: 1.18rem; letter-spacing: -0.02em; }
.card-head i { color: #818cf8; font-size: 1.25rem; }
.catalog-card ul { list-style: none; margin: 0; padding: 24px; color: var(--slate-600); font-size: .94rem; font-weight: 600; }
.catalog-card li { position: relative; padding-left: 20px; margin-bottom: 13px; }
.catalog-card li::before { content: "›"; position: absolute; left: 0; top: -1px; color: var(--indigo-500); font-weight: 900; font-size: 1.2rem; }
.trades .card-head { background: linear-gradient(90deg, var(--amber-500), var(--amber-600)); color: var(--slate-950); }
.trades .card-head i, .trades li::before { color: var(--amber-600); }
.trades ul { background: rgba(254,243,199,.35); color: var(--slate-700); }

.tutoring-panel { background: var(--slate-900); color: white; border-block: 1px solid var(--slate-800); padding: 70px 24px; }
.tutoring-grid { max-width: 980px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: center; }
.panel-label { color: var(--amber-400); font-weight: 900; letter-spacing: .15em; text-transform: uppercase; font-size: .72rem; }
.tutoring-panel h2 { font-size: 2.2rem; line-height: 1.1; margin: 8px 0 14px; }
.tutoring-panel p { color: var(--slate-300); }
.panel-points { display: flex; flex-wrap: wrap; gap: 16px; color: #a5b4fc; font-weight: 800; font-size: .9rem; }
.panel-points i { color: var(--amber-400); margin-right: 6px; }
.location-card { background: rgba(30,41,59,.65); border: 1px solid var(--slate-700); border-radius: 22px; padding: 28px; }
.location-card h3 { margin: 0 0 8px; color: var(--amber-400); }
.location-card hr { border: 0; border-top: 1px solid var(--slate-700); margin: 20px 0; }
.location-card code { color: #94a3b8; font-size: .8rem; }

.contact-section { max-width: 760px; margin: 0 auto; padding: 78px 24px; }
.contact-card { background: white; border: 1px solid var(--slate-200); border-radius: 28px; overflow: hidden; box-shadow: var(--shadow); }
.contact-head { background: linear-gradient(90deg, var(--indigo-950), var(--slate-900)); color: white; padding: 32px; text-align: center; }
.contact-head h2 { margin: 0; font-size: 1.8rem; }
.contact-head p { color: #c7d2fe; margin: 6px 0 0; }
.contact-form { padding: 32px; display: grid; gap: 20px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
label { display: grid; gap: 8px; font-size: .75rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; color: var(--slate-500); }
input, select, textarea { width: 100%; border: 1px solid var(--slate-200); border-radius: 14px; padding: 13px 15px; font: inherit; font-size: .95rem; color: var(--slate-800); outline: none; background: white; transition: border .2s ease, box-shadow .2s ease; }
input:focus, select:focus, textarea:focus { border-color: var(--indigo-500); box-shadow: 0 0 0 4px rgba(99,102,241,.13); }
textarea { resize: vertical; }
button[type="submit"] { border: 0; border-radius: 14px; padding: 15px 18px; background: var(--indigo-600); color: white; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; cursor: pointer; box-shadow: 0 14px 28px rgba(79,70,229,.25); }
button[type="submit"]:hover { background: var(--indigo-500); }

.footer { background: var(--slate-950); color: var(--slate-400); border-top: 1px solid var(--slate-900); text-align: center; padding: 46px 24px; font-size: .9rem; }
.footer p { max-width: 650px; margin: 0 auto 12px; }
.footer-title { color: var(--slate-200); font-weight: 900; text-transform: uppercase; }
.footer a { color: #818cf8; text-decoration: underline; }
.footer small { color: var(--slate-600); }

@media (max-width: 900px) {
  .resource-grid, .catalog-grid, .tutoring-grid { grid-template-columns: 1fr; }
  .resource-grid { margin-top: 24px; }
}
@media (max-width: 720px) {
  .nav-wrap { align-items: flex-start; }
  .menu-toggle { display: block; margin-top: 6px; }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--slate-900); padding: 18px 24px; flex-direction: column; align-items: stretch; }
  .nav-links.open { display: flex; }
  .nav-cta { text-align: center; }
  .brand strong { font-size: 1.05rem; }
  .brand small { font-size: .58rem; }
  .hero { padding: 70px 18px; }
  .two-col { grid-template-columns: 1fr; }
  .contact-form, .contact-head { padding: 24px; }
}