/* ==========================================================
   BCAHub — light glass theme
   ========================================================== */
:root{
  --bg:#eef2ff;
  --ink:#14173a;
  --muted:#5b6082;
  --indigo:#6c63ff;
  --cyan:#2fc4e8;
  --pink:#ff7ab8;
  --mint:#4fe0ac;
  --glass:rgba(255,255,255,.55);
  --glass-strong:rgba(255,255,255,.78);
  --glass-line:rgba(255,255,255,.9);
  --shadow:0 18px 50px -18px rgba(70,70,160,.35);
  --r-lg:28px; --r-md:20px; --r-sm:12px;
  --head:'Sora',system-ui,sans-serif;
  --body:'DM Sans',system-ui,sans-serif;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{font-family:var(--body);color:var(--ink);background:var(--bg);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
@supports (overflow:clip){html,body{overflow-x:clip}}
html{max-width:100%;overflow-x:hidden}
@supports (overflow:clip){html{overflow-x:clip}}
main,.site-footer{overflow-x:clip}
body.loading{overflow:hidden}
img,svg{max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--head);line-height:1.12;letter-spacing:-.02em}
h1{font-size:clamp(2.3rem,5.4vw,4.2rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem);font-weight:700}
h3{font-size:1.25rem;font-weight:700}
p{max-width:62ch}
h1,h2,h3,p,li,a,label{overflow-wrap:anywhere}
.btn{overflow-wrap:normal}
.muted{color:var(--muted)}
.wrap{width:min(1180px,calc(100% - 32px));margin-inline:auto}
section{padding:clamp(56px,9vw,110px) 0}
:focus-visible{outline:3px solid var(--indigo);outline-offset:3px;border-radius:8px}

/* ---------- glass ---------- */
.glass{
  background:var(--glass);
  border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  backdrop-filter:blur(18px) saturate(160%);
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.9);
  border-radius:var(--r-lg);
}

/* ---------- aurora background ---------- */
.aurora{position:fixed;inset:0;z-index:-1;overflow:hidden;background:linear-gradient(160deg,#f6f8ff,#e9eeff 55%,#f5eaff)}
.aurora i{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;animation:drift 22s ease-in-out infinite alternate}
.aurora i:nth-child(1){width:46vmax;height:46vmax;background:var(--indigo);top:-14vmax;left:-10vmax}
.aurora i:nth-child(2){width:38vmax;height:38vmax;background:var(--cyan);top:20vh;right:-12vmax;animation-delay:-6s}
.aurora i:nth-child(3){width:34vmax;height:34vmax;background:var(--pink);bottom:-14vmax;left:18vw;animation-delay:-11s;opacity:.4}
.aurora i:nth-child(4){width:24vmax;height:24vmax;background:var(--mint);bottom:10vh;right:20vw;animation-delay:-3s;opacity:.35}
@keyframes drift{to{transform:translate3d(6vmax,4vmax,0) scale(1.15)}}

/* ---------- buttons ---------- */
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font:600 1rem var(--body);padding:.85rem 1.5rem;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s;position:relative;overflow:hidden}
.btn-primary{color:#fff;background:linear-gradient(120deg,var(--indigo),#8a5cff 50%,var(--cyan));background-size:180% 100%;box-shadow:0 12px 28px -10px rgba(108,99,255,.8)}
.btn-primary:hover{transform:translateY(-3px);background-position:100% 0;box-shadow:0 18px 34px -10px rgba(108,99,255,.9)}
.btn-ghost{background:var(--glass-strong);border-color:var(--glass-line);color:var(--ink)}
.btn-ghost:hover{transform:translateY(-3px);background:#fff}
.btn:active{transform:translateY(0) scale(.98)}
.btn[disabled]{opacity:.6;cursor:wait}

/* ---------- header ---------- */
.site-header{position:fixed;top:calc(14px + env(safe-area-inset-top, 0px));left:0;right:0;z-index:50}
.bar{display:flex;align-items:center;justify-content:space-between;padding:10px 14px 10px 20px;border-radius:999px}
.logo{display:inline-flex;align-items:center;gap:10px;font-family:var(--head);font-weight:800;font-size:1.25rem}
.logo-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;color:#fff;background:linear-gradient(135deg,var(--indigo),var(--cyan));transform:rotate(-8deg);box-shadow:0 8px 18px -6px rgba(108,99,255,.8)}
.logo b{color:var(--indigo)}
.nav{display:flex;align-items:center;gap:6px}
.nav a:not(.btn){padding:.55rem 1rem;border-radius:999px;font-weight:500;color:var(--muted);transition:background .3s,color .3s}
.nav a:not(.btn):hover,.nav a.active{background:rgba(108,99,255,.12);color:var(--indigo)}
.nav-cta{margin-left:8px;padding:.65rem 1.3rem}
.burger{display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--glass-line);background:var(--glass-strong);cursor:pointer;position:relative}
.burger span{position:absolute;left:12px;right:12px;height:2px;background:var(--ink);border-radius:2px;transition:transform .35s var(--ease),top .35s var(--ease)}
.burger span:first-child{top:17px}.burger span:last-child{top:25px}
.burger[aria-expanded="true"] span:first-child{top:21px;transform:rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{top:21px;transform:rotate(-45deg)}

/* ---------- hero ---------- */
.hero{padding-top:150px;min-height:100svh;display:flex;align-items:center}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:40px;align-items:center}
.hero-grid>*{min-width:0}
.pill{display:inline-flex;align-items:center;gap:8px;padding:.45rem 1rem;border-radius:999px;font-size:.9rem;font-weight:600;color:var(--indigo);background:var(--glass-strong);border:1px solid var(--glass-line)}
.pill::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 0 rgba(79,224,172,.7);animation:pulse 1.8s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(79,224,172,0)}100%{box-shadow:0 0 0 0 rgba(79,224,172,0)}}
.hero h1{margin:20px 0}
.grad{background:linear-gradient(110deg,var(--indigo),var(--pink) 60%,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:1.15rem;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px}
.stat{padding:14px 20px;border-radius:var(--r-md)}
.stat b{display:block;font:800 1.6rem var(--head)}
.stat span{font-size:.88rem;color:var(--muted)}

/* 3D scene */
.scene-wrap{--s:1;perspective:1100px;height:calc(480px * var(--s));display:grid;grid-template-columns:minmax(0,1fr);place-items:center;max-width:100%}
.scene{--rx:-12deg;--ry:22deg;scale:var(--s,1);position:relative;width:340px;height:340px;transform-style:preserve-3d;transform:rotateX(var(--rx)) rotateY(var(--ry));transition:transform .25s ease-out}
.cube{position:absolute;inset:0;margin:auto;width:170px;height:170px;transform-style:preserve-3d;animation:spin 20s linear infinite}
@keyframes spin{to{transform:rotateX(360deg) rotateY(360deg)}}
.face{position:absolute;inset:0;display:grid;place-items:center;font:800 2.3rem var(--head);color:var(--indigo);background:linear-gradient(135deg,rgba(255,255,255,.75),rgba(200,210,255,.35));border:1.5px solid rgba(255,255,255,.95);border-radius:22px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:inset 0 0 40px rgba(108,99,255,.18)}
.face.f1{transform:translateZ(85px)}
.face.f2{transform:rotateY(180deg) translateZ(85px);color:var(--pink)}
.face.f3{transform:rotateY(90deg) translateZ(85px);color:#18a9cc}
.face.f4{transform:rotateY(-90deg) translateZ(85px);color:#1fa57a}
.face.f5{transform:rotateX(90deg) translateZ(85px)}
.face.f6{transform:rotateX(-90deg) translateZ(85px);color:#8a5cff}
.ring{position:absolute;inset:-40px;margin:auto;width:380px;height:380px;border-radius:50%;border:2px dashed rgba(108,99,255,.35);transform:rotateX(75deg) translateZ(-10px);animation:ringspin 24s linear infinite}
@keyframes ringspin{to{transform:rotateX(75deg) rotateZ(360deg)}}
.fcard{position:absolute;padding:12px 16px;border-radius:18px;font-size:.88rem;font-weight:600;white-space:nowrap;display:flex;gap:10px;align-items:center}
.fcard .dot{display:grid;place-items:center;width:30px;height:30px;border-radius:10px;color:#fff;font-size:.8rem}
.fcard small{display:block;color:var(--muted);font-weight:500;font-size:.75rem}
.fcard>div{animation:bob 5s ease-in-out infinite}
.fc1{top:-10px;left:-70px;transform:translateZ(120px)}
.fc2{bottom:20px;left:-90px;transform:translateZ(150px)}.fc2>div{animation-delay:-1.5s}
.fc3{top:60px;right:-90px;transform:translateZ(140px)}.fc3>div{animation-delay:-3s}
.fc4{bottom:-20px;right:-50px;transform:translateZ(110px)}.fc4>div{animation-delay:-2.2s}
@keyframes bob{50%{transform:translateY(-14px)}}

/* hero entrance (plays after loader) */
.js .hero [data-in]{opacity:0;transform:translateX(-40px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .hero .scene-wrap{opacity:0;transform:translateX(60px) scale(.9);transition:opacity 1.1s var(--ease) .25s,transform 1.1s var(--ease) .25s}
.js body.loaded .hero [data-in],.js body.loaded .hero .scene-wrap{opacity:1;transform:none}
.js body.loaded .hero [data-in="2"]{transition-delay:.12s}
.js body.loaded .hero [data-in="3"]{transition-delay:.24s}
.js body.loaded .hero [data-in="4"]{transition-delay:.36s}
.js body.loaded .hero [data-in="5"]{transition-delay:.48s}

/* ---------- marquee ---------- */
.marquee{padding:18px 0;overflow:hidden;border-block:1px solid var(--glass-line);background:var(--glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.track{display:flex;gap:14px;width:max-content;animation:slide 32s linear infinite}
.marquee:hover .track{animation-play-state:paused}
.track span{padding:.5rem 1.2rem;border-radius:999px;background:var(--glass-strong);border:1px solid var(--glass-line);font:600 .95rem var(--head);color:var(--indigo)}
@keyframes slide{to{transform:translateX(-50%)}}

/* ---------- section head ---------- */
.sec-head{margin-bottom:44px}
.sec-head p{margin-top:12px;color:var(--muted)}
.sec-head.center{text-align:center}.sec-head.center p{margin-inline:auto}

/* ---------- scroll reveal (sliding) ---------- */
.js [data-reveal]{opacity:0;transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0s)}
.js [data-reveal="left"]{transform:translateX(-90px)}
.js [data-reveal="right"]{transform:translateX(90px)}
.js [data-reveal="up"]{transform:translateY(60px)}
.js [data-reveal="zoom"]{transform:scale(.88)}
.js [data-reveal].in{opacity:1;transform:none}

/* ---------- course cards ---------- */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.course{padding:26px;display:flex;flex-direction:column;gap:14px;transition:box-shadow .4s;transform-style:preserve-3d;will-change:transform}
.course:hover{box-shadow:0 30px 60px -20px rgba(80,80,200,.45), inset 0 1px 0 #fff}
.c-icon{display:grid;place-items:center;width:58px;height:58px;border-radius:18px;color:#fff;font:800 1.05rem var(--head);background:linear-gradient(135deg,var(--indigo),var(--cyan));box-shadow:0 12px 24px -10px rgba(108,99,255,.8);transform:translateZ(30px)}
.course[data-cat="web"] .c-icon{background:linear-gradient(135deg,#ff8a5c,var(--pink))}
.course[data-cat="auto"] .c-icon{background:linear-gradient(135deg,#1fb98a,var(--cyan))}
.course p{color:var(--muted);font-size:.97rem}
.meta{display:flex;flex-wrap:wrap;gap:8px}
.meta span{font-size:.8rem;font-weight:600;padding:.25rem .7rem;border-radius:999px;background:rgba(108,99,255,.1);color:var(--indigo)}
.ticks{list-style:none;display:grid;gap:6px;font-size:.93rem}
.ticks li{padding-left:26px;position:relative}
.ticks li::before{content:"";position:absolute;left:0;top:.45em;width:14px;height:8px;border-left:2.5px solid var(--mint);border-bottom:2.5px solid var(--mint);transform:rotate(-45deg)}
.c-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:6px}
.price{font:800 1.6rem var(--head)}
.price small{font:500 .8rem var(--body);color:var(--muted)}

/* filter chips */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.chip{min-height:44px;padding:.55rem 1.2rem;border-radius:999px;border:1px solid var(--glass-line);background:var(--glass-strong);font:600 .95rem var(--body);cursor:pointer;color:var(--muted);transition:all .3s}
.chip.on,.chip:hover{background:var(--indigo);color:#fff;border-color:var(--indigo)}
.course.hide{display:none}

/* ---------- steps (a real sequence) ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.step{padding:26px;position:relative}
.step::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--indigo);color:#fff;font:700 1rem var(--head);margin-bottom:14px}
.step p{color:var(--muted);font-size:.95rem;margin-top:6px}

/* ---------- features ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat{padding:28px}
.feat p{color:var(--muted);margin-top:8px}
.feat .ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:1.4rem;background:var(--glass-strong);border:1px solid var(--glass-line);margin-bottom:14px}

/* ---------- CTA ---------- */
.cta{padding:clamp(34px,6vw,64px);text-align:center;background:linear-gradient(135deg,rgba(108,99,255,.88),rgba(47,196,232,.85));color:#fff;border:none;overflow:hidden;position:relative}
.cta p{margin:14px auto 26px;color:rgba(255,255,255,.9)}
.cta .btn-ghost{color:var(--ink)}
.cta::after{content:"";position:absolute;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.18);right:-90px;top:-120px;animation:bob 8s ease-in-out infinite}

/* ---------- page hero (inner pages) ---------- */
.page-hero{padding-top:160px;padding-bottom:30px}
.page-hero p{margin-top:16px;color:var(--muted);font-size:1.1rem}

/* ---------- prices ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pcard{padding:30px;display:flex;flex-direction:column;gap:14px;transition:box-shadow .4s;will-change:transform}
.pcard .big{font:800 2.6rem var(--head)}
.pcard .big small{font:500 .95rem var(--body);color:var(--muted)}
.pcard.best{border:2px solid var(--indigo);background:var(--glass-strong)}
.badge{align-self:flex-start;font-size:.78rem;font-weight:700;color:#fff;background:linear-gradient(120deg,var(--pink),var(--indigo));padding:.25rem .75rem;border-radius:999px}
.included{padding:30px;margin-top:40px}
.included ul{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:10px 30px;margin-top:16px}
.included li{padding-left:26px;position:relative}
.included li::before{content:"";position:absolute;left:0;top:.5em;width:14px;height:8px;border-left:2.5px solid var(--mint);border-bottom:2.5px solid var(--mint);transform:rotate(-45deg)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:820px;margin-inline:auto}
.faq details{padding:18px 24px;border-radius:var(--r-md)}
.faq summary{cursor:pointer;font:600 1.05rem var(--head);list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--indigo);transition:transform .35s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin-top:10px;color:var(--muted)}

/* ---------- about ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.panel{padding:34px}
.panel p+p{margin-top:12px}
.panel p{color:var(--muted)}
.mini-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.mini-stats .stat{text-align:center;padding:24px}

/* ---------- contact / forms ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px}
.info{padding:32px;display:grid;gap:18px;align-content:start}
.info a{display:flex;gap:14px;align-items:center;padding:14px;border-radius:var(--r-sm);background:var(--glass-strong);border:1px solid var(--glass-line);transition:transform .3s var(--ease)}
.info a:hover{transform:translateX(6px)}
.info a span.i{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--indigo),var(--cyan));color:#fff}
.info small{display:block;color:var(--muted)}
.form{display:grid;gap:14px}
.form label{display:grid;gap:6px;font-weight:600;font-size:.92rem}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form input,.form select,.form textarea{font:400 1rem var(--body);padding:.85rem 1rem;border-radius:var(--r-sm);border:1px solid rgba(108,99,255,.22);background:rgba(255,255,255,.8);color:var(--ink);transition:border-color .3s,box-shadow .3s;width:100%}
.form textarea{min-height:130px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--indigo);box-shadow:0 0 0 4px rgba(108,99,255,.18)}
.hp{position:absolute!important;left:-9999px;opacity:0;height:0;width:0}
.form-msg{min-height:1.4em;font-weight:600;font-size:.95rem}
.form-msg.ok{color:#118a5f}.form-msg.err{color:#c0305a}
.form-card{padding:32px}

/* ---------- dialog ---------- */
.dialog{border:1px solid var(--glass-line);padding:32px;width:min(520px,calc(100% - 28px));max-height:calc(100svh - 24px);overflow-y:auto;margin:auto;color:var(--ink);background:rgba(255,255,255,.92);position:fixed}
.dialog[open]{animation:pop .5s var(--ease)}
.dialog::backdrop{background:rgba(40,40,100,.28);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.dialog h3{font-size:1.5rem;margin-bottom:6px}
.dialog .form{margin-top:18px}
.dialog-x{position:absolute;top:14px;right:16px;width:36px;height:36px;border-radius:50%;border:none;background:rgba(108,99,255,.12);font-size:1.4rem;cursor:pointer;color:var(--indigo)}
@keyframes pop{from{opacity:0;transform:translateY(40px) scale(.94)}}

/* ---------- footer ---------- */
.site-footer{padding:40px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;padding:36px}
.footer-grid h4{margin-bottom:10px;font-size:1rem}
.footer-grid a:not(.logo){display:block;color:var(--muted);padding:3px 0;transition:color .3s,transform .3s}
.footer-grid a:not(.logo):hover{color:var(--indigo);transform:translateX(4px)}
.footer-grid p{margin-top:12px}
.copy{text-align:center;margin-top:22px;color:var(--muted);font-size:.9rem;max-width:none}

/* ==========================================================
   Loading screen
   ========================================================== */
#loader{position:fixed;inset:0;z-index:999;display:grid;place-items:center;background:linear-gradient(160deg,#f6f8ff,#e4e9ff 55%,#f3e6ff);transition:transform 1s cubic-bezier(.77,0,.18,1);overflow:hidden}
#loader::before,#loader::after{content:"";position:absolute;border-radius:50%;filter:blur(70px);opacity:.55}
#loader::before{width:50vmax;height:50vmax;background:var(--indigo);top:-20vmax;left:-15vmax}
#loader::after{width:40vmax;height:40vmax;background:var(--cyan);bottom:-18vmax;right:-12vmax}
#loader.done{transform:translateY(-100%)}
.loader-card{position:relative;z-index:1;padding:36px 48px 30px;text-align:center;border-radius:var(--r-lg);background:var(--glass);border:1px solid var(--glass-line);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:var(--shadow);width:min(340px,86vw)}
.loader-scene{perspective:700px;height:130px;display:grid;place-items:center}
.lcube{position:relative;width:70px;height:70px;transform-style:preserve-3d;animation:spin 5s linear infinite}
.lf{position:absolute;inset:0;display:grid;place-items:center;font:800 1rem var(--head);color:var(--indigo);background:rgba(255,255,255,.7);border:1.5px solid #fff;border-radius:12px}
.lf1{transform:translateZ(35px)}.lf2{transform:rotateY(180deg) translateZ(35px)}
.lf3{transform:rotateY(90deg) translateZ(35px)}.lf4{transform:rotateY(-90deg) translateZ(35px)}
.lf5{transform:rotateX(90deg) translateZ(35px)}.lf6{transform:rotateX(-90deg) translateZ(35px)}
.loader-brand{font:800 1.7rem var(--head);margin-top:10px}.loader-brand b{color:var(--indigo)}
.loader-bar{height:8px;border-radius:99px;background:rgba(108,99,255,.15);margin:18px 0 10px;overflow:hidden}
.loader-bar i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--indigo),var(--cyan),var(--mint));transition:width .2s linear}
.loader-pct{font:600 .95rem var(--head);color:var(--muted)}

/* ==========================================================
   Responsive — tablet & mobile
   ========================================================== */

/* Tablet / small laptop */
@media (max-width:1024px){
  .hero{min-height:auto;padding-top:132px;padding-bottom:40px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:6px}
  .hero p.lead{max-width:58ch}
  .scene-wrap{--s:.95;margin-top:10px}
  .split,.contact-grid{grid-template-columns:minmax(0,1fr)}
  .grid3,.price-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .page-hero{padding-top:140px}
  section{padding:clamp(48px,8vw,90px) 0}
}

/* Menu becomes a dropdown on tablets & phones */
@media (max-width:900px){
  .burger{display:block}
  .bar{position:relative}
  .nav{position:absolute;top:calc(100% + 10px);left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;padding:14px;border-radius:var(--r-lg);background:rgba(255,255,255,.985);border:1px solid var(--glass-line);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);opacity:0;visibility:hidden;transform:translateY(-14px) scale(.98);transform-origin:top;transition:all .4s var(--ease)}
  .nav.open{opacity:1;visibility:visible;transform:none}
  .nav a:not(.btn){display:flex;align-items:center;min-height:48px;padding:.5rem 1rem;font-size:1.05rem}
  .nav-cta{margin:6px 0 0;width:100%}
}

/* Phones & small tablets (portrait) */
@media (max-width:680px){
  h3{font-size:1.15rem}
  .wrap{width:calc(100% - 24px)}
  .site-header{top:calc(10px + env(safe-area-inset-top, 0px))}
  .bar{padding:8px 10px 8px 14px}
  .logo{font-size:1.15rem}
  .logo-mark{width:32px;height:32px;border-radius:10px}
  .hero{padding-top:108px}
  .hero-actions{gap:10px;margin:24px 0}
  .hero-actions .btn{flex:1 1 100%}
  .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
  .stat{padding:12px 10px;text-align:center}
  .stat b{font-size:1.15rem}
  .stat span{font-size:.75rem;line-height:1.3;display:block}
  .scene-wrap{--s:.72;margin-top:0}
  .fc1{left:-30px}.fc2{left:-45px}.fc3{right:-45px}.fc4{right:-25px}
  .grid3,.price-grid,.feat-grid,.steps,.included ul,.form .two,.footer-grid{grid-template-columns:minmax(0,1fr)}
  /* smaller slide distance on phones */
  .js [data-reveal="left"]{transform:translateX(-36px)}
  .js [data-reveal="right"]{transform:translateX(36px)}
  .js [data-reveal="up"]{transform:translateY(40px)}
  .js [data-reveal].in{transform:none}
  .course,.pcard,.feat,.step,.panel,.info,.form-card{padding:22px}
  .mini-stats .stat{padding:18px 10px}
  .page-hero{padding-top:112px}
  .page-hero p{font-size:1rem}
  .sec-head{margin-bottom:28px}
  .chips{flex-wrap:nowrap;overflow-x:auto;margin-inline:-12px;padding:2px 12px 8px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .chips::-webkit-scrollbar{display:none}
  .chip{flex:0 0 auto}
  .c-foot{flex-wrap:wrap}
  .c-foot .btn{flex:1}
  .cta{padding:34px 20px}
  .footer-grid{padding:24px;gap:22px}
  .faq details{padding:16px 18px}
  /* dialog becomes a bottom sheet */
  .dialog{margin:auto auto 0;width:100%;max-width:none;border-radius:var(--r-lg) var(--r-lg) 0 0;padding:26px 18px calc(26px + env(safe-area-inset-bottom, 0px));max-height:92svh}
  .dialog[open]{animation:sheet .45s var(--ease)}
  .loader-card{padding:28px 30px 24px}
}
@keyframes sheet{from{transform:translateY(100%)}}

/* Small phones */
@media (max-width:420px){
  h1{font-size:2.05rem}
  .scene-wrap{--s:.62}
  .fc3{display:none}
  .fc1{left:-20px}.fc2{left:-30px}
  .pill{font-size:.82rem}
}

/* Landscape phones: avoid huge hero */
@media (max-height:520px) and (orientation:landscape){
  .hero{padding-top:96px}
  .scene-wrap{--s:.6}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
  .js [data-reveal],.js .hero [data-in],.js .hero .scene-wrap{opacity:1;transform:none}
  html{scroll-behavior:auto}
}