:root{
  --bg:#0b1418; --bg2:#0f1c22; --panel:#12232b; --ink:#eaf4f6; --muted:#9db4bb;
  --teal:#2dd4bf; --teal-dim:#14b8a6; --line:rgba(45,212,191,.16);
  --maxw:1100px; --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font:16px/1.65 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--teal);text-decoration:none}
h1,h2,h3{font-family:"Bebas Neue",Inter,sans-serif;letter-spacing:.02em;font-weight:400}
.accent{color:var(--teal)}
em{font-style:normal;color:var(--teal)}

/* nav */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;background:rgba(11,20,24,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-family:"Bebas Neue",sans-serif;font-size:26px;letter-spacing:.05em}
.brand-mark{width:30px;height:30px;color:var(--teal)}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none}
.nav-links a{color:var(--ink);font-weight:500;font-size:15px}
.nav-links a:hover{color:var(--teal)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--ink);font-size:20px;padding:4px 12px;border-radius:8px;cursor:pointer}

/* buttons */
.btn{display:inline-block;background:var(--teal);color:#062a26;font-weight:700;padding:13px 26px;border-radius:999px;transition:.2s;border:2px solid var(--teal)}
.btn:hover{background:var(--teal-dim);border-color:var(--teal-dim);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(234,244,246,.35)}
.btn-ghost:hover{background:rgba(45,212,191,.1);border-color:var(--teal);color:var(--teal)}
.btn-small{padding:9px 20px;font-size:14px;color:#062a26!important}
.btn-big{font-size:18px;padding:16px 34px}

/* hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 30%;opacity:.38;filter:saturate(1.1)}
.hero-fade{position:absolute;inset:auto 0 0 0;height:180px;background:linear-gradient(transparent,var(--bg))}
.hero-inner{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:120px 24px 80px}
.kicker{color:var(--teal);font-weight:700;letter-spacing:.35em;text-transform:uppercase;font-size:13px;margin-bottom:14px}
.hero h1{font-size:clamp(46px,8vw,86px);line-height:1.02;text-shadow:0 4px 30px rgba(0,0,0,.55)}
.lede{max-width:560px;margin:22px 0 34px;color:var(--ink);font-size:18px;text-shadow:0 2px 16px rgba(0,0,0,.6)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* strip */
.strip{background:var(--panel);border-block:1px solid var(--line)}
.strip ul{max-width:var(--maxw);margin:0 auto;padding:16px 24px;display:flex;gap:34px;flex-wrap:wrap;list-style:none;color:var(--muted);font-size:15px}

/* sections */
.section{max-width:var(--maxw);margin:0 auto;padding:90px 24px}
.section-alt{max-width:none;background:var(--bg2)}
.section-alt>*{max-width:var(--maxw);margin-left:auto;margin-right:auto}
.section h2{font-size:clamp(34px,5vw,52px);margin-bottom:12px}
.section-lede{color:var(--muted);max-width:640px;margin-bottom:44px;font-size:17px}
.section-alt{padding:90px 24px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s}
.card:hover{transform:translateY(-4px);border-color:rgba(45,212,191,.45);box-shadow:0 12px 34px rgba(0,0,0,.35)}
.card-icon{font-size:30px;margin-bottom:12px}
.card h3{font-size:24px;margin-bottom:8px;letter-spacing:.04em}
.card p{color:var(--muted);font-size:15px}

/* tutors */
.tutors{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.tutor{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.tutor:hover{transform:translateY(-4px);border-color:rgba(45,212,191,.45);box-shadow:0 12px 34px rgba(0,0,0,.35)}
.tutor img{aspect-ratio:1/1;object-fit:cover;object-position:center 25%;width:100%;filter:saturate(1.05)}
.tutor-body{padding:20px 22px 24px}
.tutor h3{font-size:26px;letter-spacing:.05em}
.tutor-role{color:var(--teal);font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;margin:2px 0 10px}
.tutor-body p:last-child{color:var(--muted);font-size:14.5px}

/* split */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.steps{list-style:none;counter-reset:s;margin:26px 0 22px}
.steps li{counter-increment:s;position:relative;padding:0 0 22px 58px;color:var(--muted)}
.steps li strong{color:var(--ink)}
.steps li::before{content:counter(s);position:absolute;left:0;top:-2px;width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;background:rgba(45,212,191,.12);border:1px solid var(--teal);color:var(--teal);
  font-family:"Bebas Neue",sans-serif;font-size:20px}
.note{color:var(--muted);font-size:14.5px;margin-bottom:26px}
.split-img img{border-radius:var(--radius);border:1px solid var(--line);max-height:560px;object-fit:cover;width:100%}

/* contact */
.contact{text-align:center}
.contact .section-lede{margin-inline:auto}
.contact-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:26px}
.contact-alt{color:var(--muted);font-size:14.5px}

footer{border-top:1px solid var(--line);padding:30px 24px;text-align:center;color:var(--muted);font-size:14px}

/* reveal animation */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.vis{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* mobile */
@media (max-width:820px){
  .split{grid-template-columns:1fr;gap:34px}
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:100%;right:0;left:0;flex-direction:column;align-items:flex-start;
    gap:0;background:var(--bg2);border-bottom:1px solid var(--line);padding:10px 24px 18px}
  .nav-links.open{display:flex}
  .nav-links li{width:100%;padding:10px 0}
  .hero{min-height:72vh}
}