:root{
  --base-900:#0E1220;
  --base-800:#171C31;
  --base-700:#232A45;
  --text:#F4F6FB;
  --text-mut:#A8B0C9;
  --brand-teal:#22C7D6;
  --brand-blue:#3B6BF0;
  --grad:linear-gradient(120deg,#22C7D6 0%,#3B6BF0 100%);
  --accent:#E86A3A;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html,body{max-width:100%;overflow-x:hidden}
body{
  margin:0;background:var(--base-900);color:var(--text);
  font-family:'Inter',system-ui,sans-serif;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-wrap:break-word;
}
img,svg,video,iframe{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;line-height:1.08;letter-spacing:-.02em;margin:0}
p{margin:0}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;font-weight:600;font-size:.95rem;
  padding:.85em 1.5em;border-radius:999px;cursor:pointer;border:none;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;white-space:nowrap}
.btn:focus-visible{outline:3px solid var(--brand-teal);outline-offset:3px}
.btn--grad{background:var(--grad);color:#061018;box-shadow:0 6px 24px rgba(59,107,240,.35)}
.btn--grad:hover{transform:translateY(-2px);box-shadow:0 10px 32px rgba(34,199,214,.45)}
.btn--ghost{background:transparent;color:var(--text);border:1px solid var(--base-700)}
.btn--ghost:hover{border-color:var(--brand-teal);color:var(--brand-teal);transform:translateY(-2px)}
.btn--warm{background:var(--accent);color:#fff;box-shadow:0 6px 24px rgba(232,106,58,.35)}
.btn--warm:hover{transform:translateY(-2px);filter:brightness(1.08)}
.btn--sm{padding:.6em 1.1em;font-size:.82rem}
.link-under{color:var(--brand-teal);font-weight:600;font-size:.9rem;border-bottom:1px solid transparent;transition:border-color .2s}
.link-under:hover{border-color:var(--brand-teal)}
.tag{display:inline-block;font-family:'Space Grotesk';font-weight:600;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;
  padding:.4em .9em;border-radius:999px;background:rgba(34,199,214,.12);color:var(--brand-teal);border:1px solid rgba(34,199,214,.3)}
.kicker{display:inline-block;font-family:'Space Grotesk';font-weight:600;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.badge{display:inline-block;font-size:.6rem;font-weight:700;background:var(--grad);color:#061018;padding:.15em .45em;border-radius:5px;vertical-align:middle;margin-left:.2em}

/* promo bar */
.promobar{background:var(--grad);color:#061018;font-weight:500;font-size:.85rem;
  display:flex;align-items:center;justify-content:center;gap:1em;padding:.5em 40px .5em 16px;position:relative}
.promobar em{font-style:italic}
.promobar a{font-weight:700;border-bottom:1px solid rgba(6,16,24,.5)}
.promobar__close{position:absolute;right:12px;background:none;border:none;color:#061018;font-size:1.2rem;cursor:pointer;line-height:1}
.promobar.hide{display:none}

/* header */
.header{position:sticky;top:0;z-index:100;background:rgba(14,18,32,.72);
  backdrop-filter:blur(14px);border-bottom:1px solid rgba(35,42,69,.6);transition:background .3s}
.header.scrolled{background:rgba(14,18,32,.94)}
.header__inner{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px;gap:16px}
.logo img{height:42px;width:auto}
.nav{display:flex;align-items:center;gap:26px}
.nav__list{display:flex;align-items:center;gap:22px;list-style:none;margin:0;padding:0}
.nav__list a{font-size:.9rem;font-weight:500;color:var(--text-mut);position:relative;padding:4px 0;transition:color .2s}
.nav__list a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--grad);transition:width .25s}
.nav__list a:hover,.nav__list a:focus-visible{color:var(--text)}
.nav__list a:hover::after{width:100%}
.nav__has-drop{position:relative}
.caret{font-size:.7em}
.nav__drop{position:absolute;top:100%;left:0;background:var(--base-800);border:1px solid var(--base-700);border-radius:12px;
  padding:8px;min-width:210px;list-style:none;margin:8px 0 0;opacity:0;visibility:hidden;transform:translateY(6px);transition:.2s;box-shadow:0 14px 40px rgba(0,0,0,.4)}
.nav__has-drop:hover .nav__drop,.nav__has-drop:focus-within .nav__drop{opacity:1;visibility:visible;transform:translateY(0)}
.nav__drop a{display:block;padding:9px 12px;border-radius:8px}
.nav__drop a::after{display:none}
.nav__drop a:hover{background:var(--base-700)}
.nav__cta{color:#061018}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.hamburger span{width:24px;height:2px;background:var(--text);transition:.3s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* hero */
.hero{position:relative;overflow:hidden;padding:70px 0 90px}
.hero__glow{position:absolute;top:-140px;right:-120px;width:620px;max-width:90%;height:620px;
  background:radial-gradient(circle,rgba(34,199,214,.28),transparent 62%);filter:blur(30px);pointer-events:none}
.hero__glow--2{top:auto;bottom:-200px;right:auto;left:-140px;width:480px;height:480px;
  background:radial-gradient(circle,rgba(59,107,240,.24),transparent 64%)}
.hero__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative}
.hero__copy h1{font-size:clamp(2.4rem,6vw,4.4rem);font-weight:700;margin:20px 0 22px}
.hero__sub{color:var(--text-mut);font-size:1.1rem;max-width:34ch;margin-bottom:32px}
.hero__ctas{display:flex;flex-wrap:wrap;gap:14px}
.hero__frame{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--base-700);
  box-shadow:0 30px 80px rgba(0,0,0,.5);aspect-ratio:4/5;background:var(--base-800)}
.hero__frame video{width:100%;height:100%;object-fit:cover}
.hero__frame-tag{position:absolute;left:16px;bottom:16px;background:rgba(14,18,32,.72);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.12);padding:.5em 1em;border-radius:999px;font-size:.75rem;font-weight:600}
.hero__media{transform:rotate(1.5deg)}

/* section head */
.section-head{margin-bottom:44px;max-width:640px}
.section-head h2{font-size:clamp(1.8rem,4vw,2.8rem);margin-top:14px}
.section-head p{color:var(--text-mut);margin-top:10px}

/* book */
.book{padding:80px 0;background:linear-gradient(180deg,var(--base-900),var(--base-800))}
.book__inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}
.book__visual{position:relative;display:flex;justify-content:center;min-width:0}
.book__glow{position:absolute;inset:-10% 10%;background:radial-gradient(circle,rgba(59,107,240,.3),transparent 65%);filter:blur(20px)}
.book__cover{position:relative;max-height:520px;width:auto;filter:drop-shadow(0 30px 50px rgba(0,0,0,.55))}
.book__life{position:absolute;bottom:-10px;right:0;width:160px;border-radius:12px;border:3px solid var(--base-900);box-shadow:0 14px 30px rgba(0,0,0,.5)}
.book__copy h2{font-size:clamp(1.7rem,3.6vw,2.6rem);margin:14px 0 18px}
.book__copy p{color:var(--text-mut);font-size:1.05rem}
.book__ctas{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin:28px 0}
.book__avail-label{font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-mut);margin-bottom:12px}
.book__badges{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.book__badges img{height:38px;width:auto;border-radius:6px;background:#fff;padding:3px 6px}
.book__more{margin-top:18px;font-size:.9rem;color:var(--text-mut)}
.book__more a{color:var(--brand-teal);border-bottom:1px solid transparent}
.book__more a:hover{border-color:var(--brand-teal)}

/* services bento */
.services{padding:80px 0}
.services__head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap;margin-bottom:40px}
.services__head h2{font-size:clamp(1.7rem,3.6vw,2.6rem);max-width:22ch}
.services__head p{color:var(--text-mut);margin-top:12px;max-width:52ch}
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.bento__tile{background:var(--base-800);border:1px solid var(--base-700);border-radius:20px;padding:54px 30px 30px;
  position:relative;overflow:hidden;transition:transform .25s,border-color .25s;min-height:200px;display:flex;flex-direction:column;justify-content:flex-end}
.bento__tile::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);opacity:0;transition:opacity .25s;z-index:2}
.bento__tile::after{content:"";position:absolute;right:-70px;bottom:-70px;width:230px;height:230px;
  background:radial-gradient(circle,rgba(59,107,240,.16),transparent 68%);pointer-events:none;transition:opacity .3s;opacity:.7}
.bento__tile:hover{transform:translateY(-6px);border-color:transparent}
.bento__tile:hover::before{opacity:1}
.bento__tile:hover::after{opacity:1}
.bento__tile--lg{grid-column:span 2;grid-row:span 2;min-height:280px}
.bento__tile--lg::after{width:340px;height:340px;right:-100px;bottom:-100px;
  background:radial-gradient(circle,rgba(34,199,214,.2),transparent 66%)}
.bento__tile--wide{grid-column:span 2}
.bento__num{font-family:'Space Grotesk';font-weight:700;font-size:.85rem;color:var(--brand-teal);position:absolute;top:26px;left:30px;z-index:1}
.bento__text{position:relative;z-index:1}
.bento__tile h3{font-size:1.35rem;margin-bottom:8px}
.bento__tile--lg h3{font-size:1.9rem}
.bento__tile p{color:var(--text-mut);font-size:.95rem}

/* founders */
.founders{padding:80px 0;background:var(--base-800)}
.founders__grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.founder{background:var(--base-900);border:1px solid var(--base-700);border-radius:20px;overflow:hidden;transition:transform .25s,border-color .25s}
.founder:hover{transform:translateY(-6px);border-color:rgba(34,199,214,.4)}
.founder__img{aspect-ratio:16/10;overflow:hidden}
.founder__img img{width:100%;height:100%;object-fit:cover}
.founder__body{padding:26px}
.founder__body h3{font-size:1.5rem}
.founder__role{color:var(--brand-teal);font-weight:600;font-size:.85rem;margin:4px 0 10px}
.founder__body p{color:var(--text-mut);margin-bottom:14px}

/* courses */
.courses{padding:80px 0}
.courses__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.course{background:linear-gradient(160deg,var(--base-800),var(--base-700));border:1px solid var(--base-700);
  border-radius:18px;padding:28px;display:flex;flex-direction:column;gap:14px;transition:transform .25s}
.course:hover{transform:translateY(-6px)}
.course h3{font-size:1.2rem}
.course__tags{color:var(--brand-teal);font-size:.8rem;font-family:'Space Grotesk';font-weight:500}
.course .btn{margin-top:auto;align-self:flex-start}

/* featured */
.featured{padding:70px 0;background:var(--base-800)}
.featured .section-head{margin:0 auto 40px;text-align:center;max-width:640px}
.featured .section-head h2{font-size:clamp(1.7rem,3.6vw,2.6rem)}
.featured__row{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:16px 40px}
.featured__row li{font-family:'Space Grotesk';font-weight:600;font-size:1.05rem;color:var(--text);opacity:.7;
  padding:10px 18px;border:1px solid var(--base-700);border-radius:12px;transition:opacity .25s,border-color .25s}
.featured__row li:hover{opacity:1;border-color:var(--brand-teal)}
.featured__cta{text-align:center;margin-top:36px}

/* content grid */
.content{padding:80px 0}
.content__head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.content__head h2{font-size:clamp(1.9rem,4vw,3rem)}
.content__head p{color:var(--text-mut);margin-top:10px}
.content__headctas{display:flex;flex-wrap:wrap;gap:12px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--base-800);border:1px solid var(--base-700);border-radius:18px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .28s,border-color .28s,box-shadow .28s}
.card:hover{transform:translateY(-8px);border-color:rgba(34,199,214,.4);box-shadow:0 20px 44px rgba(0,0,0,.4)}
.card__img{aspect-ratio:16/9;overflow:hidden;background:var(--base-700)}
.card__img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.card:hover .card__img img{transform:scale(1.06)}
.card__body{padding:22px;display:flex;flex-direction:column;gap:8px}
.cat{font-size:.72rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--brand-teal)}
.card__body h3{font-size:1.15rem}
.card__body p{color:var(--text-mut);font-size:.9rem}

/* stats */
.stats{position:relative;background-size:cover;background-position:center;padding:90px 0;text-align:center;color:#fff}
.stats__scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,18,32,.86),rgba(14,18,32,.92))}
.stats__inner{position:relative}
.stats__inner h2{font-size:clamp(1.9rem,4vw,3rem)}
.stats__inner>p{color:var(--text-mut);margin:12px 0 46px}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat__num{font-family:'Space Grotesk';font-weight:700;font-size:clamp(2.4rem,5vw,3.4rem);
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block}
.stat__label{color:var(--text-mut);font-size:.9rem;margin-top:6px;display:block}

/* newsletter */
.news{padding:80px 0}
.news__inner{background:linear-gradient(135deg,var(--base-800),var(--base-700));border:1px solid var(--base-700);
  border-radius:24px;padding:48px;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;position:relative;overflow:hidden}
.news__inner::before{content:"";position:absolute;top:-80px;right:-60px;width:300px;height:300px;
  background:radial-gradient(circle,rgba(34,199,214,.25),transparent 65%);filter:blur(20px)}
.news__copy h2{font-size:clamp(1.6rem,3.4vw,2.4rem)}
.news__copy p{color:var(--text-mut);margin-top:10px}
.news__form{position:relative;display:flex;flex-wrap:wrap;gap:12px}
.news__form input{flex:1;min-width:0;padding:.9em 1.1em;border-radius:999px;border:1px solid var(--base-700);
  background:var(--base-900);color:var(--text);font-size:.95rem}
.news__form input:focus-visible{outline:2px solid var(--brand-teal);border-color:var(--brand-teal)}
.news__msg{flex-basis:100%;font-size:.85rem;margin-top:4px;min-height:1em}
.news__msg.ok{color:var(--brand-teal)}
.news__msg.err{color:var(--accent)}

/* footer */
.footer{background:var(--base-900);border-top:1px solid var(--base-700);padding:64px 0 30px}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:40px}
.footer__logo{height:52px;width:auto;margin-bottom:16px}
.footer__col h4{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text);margin-bottom:16px}
.footer__col p{color:var(--text-mut);font-size:.9rem}
.footer__col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer__col a{color:var(--text-mut);font-size:.9rem;transition:color .2s}
.footer__col a:hover{color:var(--brand-teal)}
.footer__tags{flex-direction:row;flex-wrap:wrap;gap:8px 14px}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;
  margin-top:48px;padding-top:24px;border-top:1px solid var(--base-700)}
.footer__bottom-left{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.footer__mark{height:34px;width:auto;background:#fff;padding:6px 10px;border-radius:8px}
.footer__bottom p{color:var(--text-mut);font-size:.85rem;margin:0}
.footer__social{display:flex;gap:20px}
.footer__social a{color:var(--text-mut);font-size:.85rem}
.footer__social a:hover{color:var(--brand-teal)}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media(max-width:960px){
  .nav{position:fixed;top:0;right:0;height:100vh;height:100dvh;width:min(320px,84vw);flex-direction:column;align-items:flex-start;
    justify-content:flex-start;gap:24px;background:var(--base-800);padding:90px 30px 30px;
    transform:translateX(100%);transition:transform .3s;box-shadow:-20px 0 60px rgba(0,0,0,.5);z-index:99;overflow-y:auto}
  .nav.open{transform:translateX(0)}
  .nav__list{flex-direction:column;align-items:flex-start;gap:18px;width:100%}
  .nav__drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:transparent;border:none;padding:6px 0 0 14px;margin:6px 0 0}
  .nav__cta{width:100%;justify-content:center}
  .hamburger{display:flex}
  .hero__inner{grid-template-columns:1fr;gap:40px}
  .hero__media{order:-1;transform:none;max-width:440px}
  .bento{grid-template-columns:1fr 1fr}
  .bento__tile--lg{grid-column:span 2;grid-row:auto;min-height:200px}
  .courses__grid{grid-template-columns:1fr 1fr}
  .cards{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .container{padding:0 18px}
  .book__inner{grid-template-columns:1fr;gap:40px}
  .book__life{display:none}
  .founders__grid{grid-template-columns:1fr}
  .courses__grid{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr}
  .bento__tile,.bento__tile--lg,.bento__tile--wide{grid-column:auto;min-height:auto;padding:48px 26px 26px}
  .bento__num{top:22px;left:26px}
  .stats__grid{grid-template-columns:1fr 1fr;gap:30px 16px}
  .news__inner{grid-template-columns:1fr;padding:30px}
  .footer__grid{grid-template-columns:1fr}
  .content__head,.services__head{align-items:flex-start}
  .footer__bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto!important}
}