:root{
  --ink:#12141a;
  --ink-soft:#5b6070;
  --line:#e6e6ea;
  --canvas:#ffffff;
  --soft:#f7f7fa;
  --brand:#2f4bd8;
  --brand-dark:#1f34a8;
  --brand-soft:#eaeefc;
  --gold:#f5a524;
  --gold-soft:#fdf0d8;
  --green:#1fa971;
  --green-soft:#e6f5ee;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 1px 2px rgba(16,20,40,.05),0 10px 30px rgba(16,20,40,.06);
  --shadow-lg:0 24px 60px rgba(16,20,40,.12);
  --max:1160px;
  --font:'Inter','Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--canvas);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.15;letter-spacing:-.02em;font-weight:800}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--soft{background:var(--soft)}
.section--tight{padding:64px 0}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:6px}

/* ---------- Type ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);background:var(--brand-soft);padding:8px 14px;border-radius:999px}
.eyebrow--gold{color:#8a5a06;background:var(--gold-soft)}
.h1{font-size:clamp(34px,5.4vw,60px)}
.h2{font-size:clamp(28px,3.6vw,42px)}
.h3{font-size:clamp(20px,2.2vw,24px)}
.lead{font-size:clamp(16px,1.5vw,19px);color:var(--ink-soft)}
.muted{color:var(--ink-soft)}
.center{text-align:center}
.section-head{max-width:720px;margin:0 auto 48px;text-align:center;display:flex;flex-direction:column;gap:16px;align-items:center}
.section-head p{color:var(--ink-soft)}
.grad{background:linear-gradient(100deg,#5b7cff,#f5a524);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:13px 24px;border-radius:999px;font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px rgba(47,75,216,.28)}
.btn--primary:hover{background:var(--brand-dark)}
.btn--gold{background:var(--gold);color:#231502;box-shadow:0 12px 26px rgba(245,165,36,.32)}
.btn--ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow)}
.btn--outline-light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.35)}
.btn--wa{background:#25d366;color:#06301a;box-shadow:0 12px 26px rgba(37,211,102,.3)}
.btn--block{width:100%}
.btn--sm{min-height:42px;padding:10px 18px;font-size:14px}

/* ---------- Header ---------- */
.topbar{background:#0d1020;color:rgba(255,255,255,.78);font-size:13.5px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:16px;height:44px}
.topbar a:hover{color:#fff}
.topbar__list{display:flex;gap:22px;align-items:center}
.header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header.is-scrolled{box-shadow:0 8px 26px rgba(16,20,40,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand{display:flex;align-items:center;gap:12px}
.brand__mark{width:44px;height:44px;border-radius:13px;background:linear-gradient(140deg,var(--brand),#7b3ff2);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;box-shadow:0 8px 20px rgba(47,75,216,.32)}
.brand__name{font-weight:800;font-size:17px;letter-spacing:-.02em;line-height:1.1}
.brand__sub{font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);font-weight:700}
.nav__links{display:flex;align-items:center;gap:4px}
.nav__links a{padding:10px 14px;border-radius:10px;font-weight:600;font-size:15px;color:#3a3f52;transition:background .16s ease,color .16s ease}
.nav__links a:hover{background:var(--soft);color:var(--ink)}
.nav__links a.is-active{color:var(--brand);background:var(--brand-soft)}
.nav__cta{display:flex;align-items:center;gap:10px}
.nav__toggle{display:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav__toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav__toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle.is-open span:nth-child(2){opacity:0}
.nav__toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 0 22px}
.mobile-menu.is-open{display:block}
.mobile-menu a{display:block;padding:14px 4px;font-weight:600;border-bottom:1px solid var(--line)}
.mobile-menu .btn{margin-top:16px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:#0b0e1c;color:#fff;padding:96px 0 104px}
.hero__bg{position:absolute;inset:0;background:
  radial-gradient(900px 500px at 78% 12%,rgba(91,124,255,.42),transparent 62%),
  radial-gradient(700px 460px at 8% 88%,rgba(245,165,36,.24),transparent 60%),
  linear-gradient(160deg,#0b0e1c 0%,#141a35 60%,#0b0e1c 100%)}
.hero__grid-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(circle at 50% 30%,#000,transparent 78%)}
.hero .container{position:relative;z-index:2}
.hero__inner{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero__eyebrow{background:rgba(255,255,255,.1);color:#cfd8ff;border:1px solid rgba(255,255,255,.16)}
.hero h1{color:#fff;margin:20px 0 18px}
.hero__lead{color:rgba(255,255,255,.76);font-size:18px;max-width:560px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero__meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:36px;padding-top:28px;border-top:1px solid rgba(255,255,255,.14)}
.hero__meta div span{display:block}
.hero__meta .num{font-size:26px;font-weight:800;color:#fff}
.hero__meta .lbl{font-size:13px;color:rgba(255,255,255,.6)}

.hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);padding:28px;backdrop-filter:blur(16px);box-shadow:var(--shadow-lg)}
.hero-card h3{color:#fff;font-size:20px}
.hero-card .muted{color:rgba(255,255,255,.62);font-size:14px;margin-top:6px}
.field{display:flex;flex-direction:column;gap:7px;margin-top:16px}
.field label{font-size:13px;font-weight:700;color:rgba(255,255,255,.82)}
.field input,.field select,.field textarea{width:100%;min-height:48px;padding:12px 14px;border-radius:12px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);color:#fff;font-family:inherit;font-size:15px}
.field textarea{min-height:96px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.45)}
.field select option{color:#12141a}
.form-note{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:14px;text-align:center}

/* ---------- Marquee / trust strip ---------- */
.trust{background:#fff;border-bottom:1px solid var(--line);padding:22px 0}
.trust__row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.chip{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border:1px solid var(--line);border-radius:999px;font-size:13.5px;font-weight:700;color:#3a3f52;background:var(--soft)}
.chip i{font-style:normal}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#d5dbf5}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--ink-soft);font-size:15px}
.card__icon{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;font-size:22px;margin-bottom:18px;background:var(--brand-soft);color:var(--brand)}
.card__icon--gold{background:var(--gold-soft);color:#a06a06}
.card__icon--green{background:var(--green-soft);color:#12724c}
.card__list{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.card__list li{position:relative;padding-left:26px;font-size:14.5px;color:#3f4457}
.card__list li::before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;background:var(--green-soft);box-shadow:inset 0 0 0 2px var(--green)}
.tagline{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{font-size:12.5px;font-weight:700;padding:6px 11px;border-radius:8px;background:var(--soft);color:#4a4f63;border:1px solid var(--line)}

/* ---------- Split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.stack{display:flex;flex-direction:column;gap:18px;align-items:flex-start}
.visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-lg);background:#0b0e1c}
.visual img{width:100%;height:100%;object-fit:cover}
.visual__badge{position:absolute;left:20px;bottom:20px;background:rgba(255,255,255,.94);border-radius:14px;padding:14px 18px;box-shadow:var(--shadow);display:flex;gap:12px;align-items:center}
.visual__badge .num{font-size:22px;font-weight:800;color:var(--brand)}
.visual__badge .lbl{font-size:12.5px;color:var(--ink-soft);font-weight:600;line-height:1.3}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.steps--vertical{grid-template-columns:1fr;gap:16px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;position:relative;box-shadow:var(--shadow)}
.step__num{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.1em}
.step h3{font-size:17px;margin:12px 0 8px}
.step p{font-size:14.5px;color:var(--ink-soft)}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.stat{background:linear-gradient(160deg,#141a35,#0b0e1c);color:#fff;border-radius:var(--radius-lg);padding:28px;border:1px solid rgba(255,255,255,.1)}
.stat .num{font-size:34px;font-weight:800;letter-spacing:-.03em}
.stat .lbl{color:rgba(255,255,255,.66);font-size:14px;margin-top:6px}

/* ---------- Pricing / subjects ---------- */
.price{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow);display:flex;flex-direction:column;height:100%}
.price.is-featured{border-color:var(--brand);box-shadow:0 26px 60px rgba(47,75,216,.16);position:relative}
.price.is-featured::after{content:"Most Popular";position:absolute;top:-13px;left:30px;background:var(--brand);color:#fff;font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:6px 13px;border-radius:999px}
.price__amt{font-size:34px;font-weight:800;margin:14px 0 4px}
.price__amt span{font-size:15px;font-weight:600;color:var(--ink-soft)}
.price .btn{margin-top:auto}
.price .card__list{margin-bottom:22px}

/* ---------- Testimonials ---------- */
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow);height:100%;display:flex;flex-direction:column;gap:16px}
.stars{color:var(--gold);font-size:15px;letter-spacing:2px}
.quote p{font-size:15.5px;color:#333849}
.quote__by{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:800}
.quote__by strong{display:block;font-size:14.5px}
.quote__by span{font-size:13px;color:var(--ink-soft)}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq__item{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}
.faq__q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:18px;text-align:left;padding:18px 22px;background:none;border:0;font:inherit;font-weight:700;cursor:pointer;min-height:56px}
.faq__q::after{content:"+";font-size:22px;color:var(--brand);line-height:1;transition:transform .2s ease}
.faq__item.is-open .faq__q::after{transform:rotate(45deg)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--ink-soft);font-size:15px}
.faq__a p{padding:0 22px 20px}

/* ---------- CTA band ---------- */
.cta{position:relative;overflow:hidden;border-radius:26px;background:linear-gradient(130deg,#1a2350,#2f4bd8 58%,#7b3ff2);color:#fff;padding:56px;display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;box-shadow:var(--shadow-lg)}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.82);margin-top:14px}
.cta__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow)}
.panel--dark{background:linear-gradient(160deg,#141a35,#0b0e1c);color:#fff;border-color:rgba(255,255,255,.12)}
.panel--dark h3{color:#fff}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .field{margin-top:0}
.form-grid .field--full{grid-column:1/-1}
.panel .field label{color:#3a3f52}
.panel .field input,.panel .field select,.panel .field textarea{background:var(--soft);border-color:var(--line);color:var(--ink)}
.panel .field input::placeholder,.panel .field textarea::placeholder{color:#9aa0b3}
.info-list{display:flex;flex-direction:column;gap:20px;margin-top:24px}
.info-item{display:flex;gap:14px;align-items:flex-start}
.info-item .ico{width:44px;height:44px;border-radius:13px;background:rgba(255,255,255,.1);display:grid;place-items:center;font-size:19px;flex:none}
.info-item strong{display:block;font-size:14.5px}
.info-item span{font-size:14px;color:rgba(255,255,255,.7)}
.map-frame{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);line-height:0;background:var(--soft)}
.map-frame iframe{width:100%;height:420px;border:0}

/* ---------- Footer ---------- */
.footer{background:#0b0e1c;color:rgba(255,255,255,.7);padding:72px 0 30px}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer h4{color:#fff;font-size:15px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:18px}
.footer a:hover{color:#fff}
.footer__links{display:flex;flex-direction:column;gap:11px;font-size:15px}
.footer .brand__name{color:#fff}
.footer .brand__sub{color:rgba(255,255,255,.55)}
.footer__bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px}

/* ---------- Floating actions ---------- */
.float{position:fixed;right:20px;bottom:22px;z-index:70;display:flex;flex-direction:column;gap:12px}
.float a{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:22px;box-shadow:0 14px 30px rgba(0,0,0,.22);transition:transform .18s ease}
.float a:hover{transform:scale(1.06)}
.float .wa{background:#25d366;color:#06301a}
.float .call{background:var(--brand)}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{background:linear-gradient(150deg,#0b0e1c,#1b2246);color:#fff;padding:76px 0;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(700px 380px at 82% 18%,rgba(91,124,255,.35),transparent 62%)}
.page-hero .container{position:relative;z-index:2;max-width:820px;text-align:center;display:flex;flex-direction:column;gap:16px;align-items:center}
.page-hero p{color:rgba(255,255,255,.75)}
.crumbs{font-size:13.5px;color:rgba(255,255,255,.6)}
.crumbs a:hover{color:#fff}

/* ---------- Toast ---------- */
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,140%);visibility:hidden;opacity:0;pointer-events:none;background:#12141a;color:#fff;padding:14px 22px;border-radius:999px;font-size:14.5px;font-weight:600;box-shadow:var(--shadow-lg);z-index:90;transition:transform .3s ease}
.toast.is-show{transform:translate(-50%,0);visibility:visible;opacity:1;pointer-events:auto}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero__inner{grid-template-columns:1fr;gap:44px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
  .cta{grid-template-columns:1fr;padding:44px}
  .cta__actions{justify-content:flex-start}
  .contact-grid{grid-template-columns:1fr}
}
@media (max-width:900px){
  .nav__links,.nav__cta .btn--ghost{display:none}
  .nav__toggle{display:flex}
  .topbar__list li:not(:last-child){display:none}
}
/* ---------- Mobile sticky action bar ---------- */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:95;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-top:1px solid var(--line);padding:10px 12px calc(10px + env(safe-area-inset-bottom));gap:10px;box-shadow:0 -6px 24px rgba(16,20,40,.10)}
.mobile-bar a{flex:1;min-height:50px;border-radius:14px;font-size:15px;justify-content:center}

@media (max-width:760px){
  body{padding-bottom:78px}
  .section{padding:52px 0}
  .section--tight{padding:44px 0}
  .container{padding:0 18px}
  .grid,.grid-2,.grid-3,.grid-4,.steps,.stats,.split,.form-grid{grid-template-columns:1fr;gap:16px}
  .split{gap:32px}
  .section-head{margin-bottom:32px;gap:12px}
  .hero{padding:40px 0 54px}
  .hero__inner{gap:32px}
  .hero__lead{font-size:16.5px}
  .hero__actions{gap:10px;margin-top:24px;flex-direction:column;align-items:stretch}
  .hero__actions .btn{width:100%;justify-content:center}
  .hero__meta{gap:18px;margin-top:26px;padding-top:20px}
  .hero__meta .num{font-size:22px}
  .hero-card{padding:22px}
  .card,.panel,.price,.quote{padding:22px}
  .card__icon{width:46px;height:46px;font-size:20px;margin-bottom:14px}
  .cta{padding:28px;border-radius:20px;gap:22px}
  .cta__actions{flex-direction:column;align-items:stretch}
  .cta__actions .btn{width:100%;justify-content:center}
  .stat{padding:22px}
  .stat .num{font-size:28px}
  .trust{padding:16px 0}
  .chip{font-size:12.5px;padding:8px 12px}
  .page-hero{padding:48px 0}
  .faq__q{padding:16px 18px;font-size:15.5px}
  .map-frame iframe{height:320px}
  .visual__badge{left:14px;bottom:14px;padding:12px 14px}
  .footer{padding:52px 0 26px}
  .footer__grid{grid-template-columns:1fr;gap:30px}
  .footer__bottom{margin-top:32px;flex-direction:column;gap:8px}
  .float{display:none}
  .mobile-bar{display:flex}
  .mobile-menu a{padding:15px 4px;font-size:16px}
  .topbar{font-size:12.5px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .nav__cta .btn--sm{display:none}
  .brand__name{font-size:15.5px}
  .h1{font-size:31px}
  .h2{font-size:25px}
  .stat .num{font-size:26px}
  .hero__meta > div{flex:1 1 42%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- Teacher registration band ---------- */
.teacher-band{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;background:linear-gradient(120deg,#0b0e1c 0%,#1b2354 55%,#2f4bd8 100%);color:#fff;border-radius:26px;padding:44px;box-shadow:var(--shadow-lg)}
.teacher-band h2{color:#fff}
.teacher-band p{color:rgba(255,255,255,.78)}
.teacher-band__points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.teacher-band__points span{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:8px 14px;font-size:13.5px;font-weight:600}
.teacher-band__actions{display:flex;flex-direction:column;gap:12px}
@media (max-width:900px){.teacher-band{grid-template-columns:1fr;padding:32px;border-radius:22px;gap:24px}}
@media (max-width:760px){.teacher-band{padding:26px;border-radius:20px}.teacher-band__actions .btn{width:100%}}