:root{
  --bg:#0b1220;
  --ink:#0f172a;
  --text:#334155;
  --muted:#64748b;
  --brand:#7c3aed;
  --brand-600:#6d28d9;
  --accent:#22c55e;
  --card:#ffffff;
  --soft:#f8fafc;
  --ring: rgba(124, 58, 237, .35);
  --radius: 16px;
  --shadow: 0 10px 30px rgba(2,8,23,.08), 0 2px 6px rgba(2,8,23,.06);
}
*{box-sizing:border-box}
html:focus-within{scroll-behavior:smooth}
body{
  margin:0; font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  line-height:1.6; color:var(--text); background:var(--soft);
}
a{color:var(--brand); text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{color:var(--ink); line-height:1.2}
img{max-width:100%; height:auto; display:block}
.container{max-width:1120px; margin:0 auto; padding:0 20px}

/* Header */
.skip-link{position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden}
.skip-link:focus{left:16px; top:16px; width:auto; height:auto; padding:.5rem .75rem; background:#fff; border-radius:8px; box-shadow:var(--shadow)}
header{
  position:sticky; top:0; z-index:1000; background:rgba(255,255,255,0.8); backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid #e2e8f0;
}
.nav{display:flex; align-items:center; justify-content:space-between; padding:14px 0;}
.brand{display:flex; align-items:center; gap:.75rem; font-weight:800; letter-spacing:.2px; color:var(--ink)}
.brand-badge{width:36px; height:36px; border-radius:10px}
.brand small{display:block; font-size:.75rem; color:var(--muted); font-weight:600}
.nav-links{display:flex; gap:1rem; align-items:center}
.nav-links a{padding:.4rem .6rem; border-radius:8px}
.nav-links a:hover{background:#f1f5f9; text-decoration:none}
.cta{display:inline-flex; align-items:center; gap:.5rem; background:var(--brand); color:#fff; padding:.65rem 1rem; border-radius:999px; font-weight:700; box-shadow:0 6px 20px rgba(124,58,237,.25); border:1px solid transparent;}
.cta:hover{background:var(--brand-600); text-decoration:none}
.mobile-toggle{display:none; background:none; border:none; font-size:1.25rem}

/* Hero */
.hero{
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(124,58,237,.20), transparent 60%),
    radial-gradient(900px 600px at 10% -20%, rgba(34,197,94,.12), transparent 60%),
    var(--bg);
  color:#eaf0ff; padding:80px 0 48px; border-bottom:1px solid #0b1020;
}
.hero .wrap{display:grid; grid-template-columns:1.1fr .9fr; gap:36px; align-items:center}
.kicker{color:#d1c2ff; font-weight:700; letter-spacing:.12em; text-transform:uppercase; font-size:.75rem}
.hero h1{font-size:clamp(28px, 4vw + 8px, 48px); margin:.4rem 0 1rem}
.hero p{color:#c7d2fe; font-size:1.05rem}
.hero .actions{display:flex; gap:.75rem; margin-top:1.25rem; flex-wrap:wrap}
.btn-outline{border:1.5px solid #c7b9ff; color:#e9e0ff; padding:.6rem .9rem; border-radius:999px}
.btn-outline:hover{background:rgba(255,255,255,.08); text-decoration:none}
.hero-card{background:linear-gradient(180deg,#0f172a 0%, #0b1220 100%); border:1px solid #1f2a44; border-radius:var(--radius); padding:20px; box-shadow:var(--shadow)}
.points{display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-top:12px}
.point{display:flex; gap:.6rem; align-items:flex-start}
.tick{width:22px; height:22px; border-radius:6px; background:rgba(34,197,94,.15); display:grid; place-items:center; color:#86efac; font-weight:900}

/* Sections */
section{padding:64px 0}
.grid-3{display:grid; gap:20px; grid-template-columns:repeat(3,1fr)}
.grid-4{display:grid; gap:20px; grid-template-columns:repeat(4,1fr)}
.card{background:var(--card); border:1px solid #e2e8f0; border-radius:var(--radius); padding:22px; box-shadow:var(--shadow)}
.badge{display:inline-flex; align-items:center; gap:.4rem; padding:.35rem .6rem; border-radius:999px; background:#f1f5f9; color:#0f172a; font-weight:700; font-size:.75rem}
.section-head{display:flex; align-items:end; justify-content:space-between; gap:16px; margin-bottom:22px}
.section-head h2{margin:0; font-size:clamp(22px, 2.1vw + 8px, 34px)}
.muted{color:var(--muted)}

/* Pricing */
.pricing{display:grid; gap:20px; grid-template-columns:repeat(3,1fr)}
.price-card{position:relative; overflow:hidden}
.price{font-size:34px; font-weight:900; color:var(--ink); margin:.2rem 0}
.price small{font-weight:600; color:var(--muted); font-size:.9rem}
.ribbon{position:absolute; top:14px; right:-36px; background:var(--brand); color:#fff; transform:rotate(35deg); padding:.35rem 2.5rem; font-weight:800; font-size:.7rem}

/* Tutors */
.tutors{display:grid; gap:20px; grid-template-columns:repeat(4,1fr)}
.tutor img{border-radius:12px}
.tutor h3{margin:.6rem 0 .25rem; font-size:1.05rem}
.pill{display:inline-block; padding:.25rem .55rem; border:1px solid #e2e8f0; border-radius:999px; font-size:.75rem; color:var(--muted)}

/* Testimonials */
.testimonials{display:grid; gap:20px; grid-template-columns:repeat(3,1fr)}
blockquote{margin:0}
.stars{letter-spacing:.12rem}

/* FAQ */
details{background:#fff; border:1px solid #e2e8f0; border-radius:12px; padding:16px 18px}
details+details{margin-top:10px}
summary{cursor:pointer; font-weight:700; color:var(--ink)}
summary::-webkit-details-marker{display:none}

/* Contact */
.contact{display:grid; gap:26px; grid-template-columns:1.1fr .9fr}
form{display:grid; gap:12px}
label{font-weight:700; color:var(--ink)}
input,select,textarea{
  width:100%; padding:.75rem .85rem; border-radius:12px; border:1.5px solid #cbd5e1; background:#fff;
  font:inherit; transition:border-color .15s, box-shadow .15s;
}
input:focus,select:focus,textarea:focus{outline:none; border-color:var(--brand); box-shadow:0 0 0 4px var(--ring)}
.helper{font-size:.85rem; color:var(--muted)}
.submit{background:var(--brand); color:#fff; font-weight:800; border:none; padding:.8rem 1rem; border-radius:12px; cursor:pointer}
.submit:hover{background:var(--brand-600)}
.legal{font-size:.8rem; color:var(--muted)}

/* Footer */
footer{background:#0f172a; color:#cbd5e1; padding:36px 0 48px; margin-top:36px}
.foot{display:grid; gap:20px; grid-template-columns:2fr 1fr 1fr 1fr}
footer a{color:#e2e8f0}
.footer-brand{color:#fff; margin-top:0;}
.copyright{border-top:1px solid #1e293b; margin-top:16px; padding-top:16px; font-size:.9rem; color:#94a3b8}

/* Utilities */
.check{display:inline-flex; align-items:center; gap:.5rem}
.check .icon{width:18px; height:18px; border-radius:5px; background:rgba(34,197,94,.15); display:grid; place-items:center; color:#16a34a; font-weight:900}

/* Hiring */
.form-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-bottom:12px;}
.hiring-form input[type="url"]{{padding:.75rem .85rem; border-radius:12px; border:1.5px solid #cbd5e1; background:#fff;}}
@media (max-width: 980px){.form-grid{{grid-template-columns:1fr 1fr}}}
@media (max-width: 640px){.form-grid{{grid-template-columns:1fr}}}

/* Responsive */
@media (max-width: 980px){
  .hero .wrap{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .tutors{grid-template-columns:repeat(2,1fr)}
  .testimonials{grid-template-columns:repeat(2,1fr)}
  .pricing{grid-template-columns:1fr; max-width:720px; margin-inline:auto}
  .contact{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr 1fr}
}
@media (max-width: 640px){
  .nav-links{display:none}
  .mobile-toggle{display:block}
  .points{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .tutors{grid-template-columns:1fr}
  .testimonials{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr}
  .cta{width:100%; justify-content:center}
}