/* ============================================================
   SOUL MOTION HUB — site.css · dark / neon / 3D-VR landing
   ============================================================ */
:root{
  --bg:#070b10; --bg-2:#0b1219; --bg-3:#0f1822;
  --surface:rgba(255,255,255,.035); --surface-2:rgba(255,255,255,.065);
  --line:rgba(94,240,255,.16); --line-2:rgba(94,240,255,.34); --line-soft:rgba(255,255,255,.08);
  --ink:#e9f2f7; --ink-2:#aebcc8; --ink-3:#7a8b99;
  --cyan:#3ee7ff; --cyan-2:#8ff3ff; --cyan-soft:rgba(62,231,255,.12);
  --amber:#ffb020; --amber-2:#ffd83d; --amber-soft:rgba(255,176,32,.14);
  --danger:#ff6b6b;
  --f-display:'Archivo','Be Vietnam Pro',system-ui,sans-serif;
  --f-body:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  --f-mono:'JetBrains Mono',ui-monospace,Consolas,monospace;
  --wrap:1180px; --r:18px; --r-sm:12px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --ease:cubic-bezier(.22,.8,.2,1);
}
:root[data-theme="light"]{ /* giữ tối là mặc định; light chỉ để tương lai */ }

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16.5px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body.menu-open,body.lb-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}
h1,h2,h3,h4{font-family:var(--f-display);letter-spacing:-.02em;line-height:1.1;margin:0}
h1{font-size:clamp(38px,6.2vw,74px);font-weight:800;letter-spacing:-.03em;text-wrap:balance}
h2{font-size:clamp(28px,4vw,46px);font-weight:800;text-wrap:balance}
h3{font-size:clamp(19px,2vw,24px);font-weight:700}
p{margin:0 0 16px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
@media (min-width:720px){.wrap{padding:0 32px}}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.grad{background:linear-gradient(92deg,var(--cyan) 0%,#9ff7ff 40%,var(--amber-2) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.amber{color:var(--amber-2)}
.cyan{color:var(--cyan)}
.muted{color:var(--ink-2)}
.small{font-size:14px;color:var(--ink-3)}

/* ---------- background layers ---------- */
.bg-grid{position:fixed;inset:0;z-index:-2;pointer-events:none;background:
  linear-gradient(rgba(62,231,255,.06) 1px,transparent 1px) 0 0/48px 48px,
  linear-gradient(90deg,rgba(62,231,255,.06) 1px,transparent 1px) 0 0/48px 48px;
  mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,rgba(0,0,0,.35) 45%,transparent 80%);-webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,rgba(0,0,0,.35) 45%,transparent 80%)}
.bg-glow{position:fixed;inset:0;z-index:-3;pointer-events:none;background:
  radial-gradient(900px 600px at 80% -10%,rgba(62,231,255,.14),transparent 60%),
  radial-gradient(700px 500px at 5% 20%,rgba(255,176,32,.10),transparent 60%),
  radial-gradient(900px 700px at 50% 110%,rgba(62,231,255,.08),transparent 60%),var(--bg)}
.scanlines{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.35;background:repeating-linear-gradient(0deg,rgba(255,255,255,.018) 0 1px,transparent 1px 3px)}
.progress{position:fixed;left:0;top:0;height:2px;width:0;background:linear-gradient(90deg,var(--cyan),var(--amber-2));z-index:60;box-shadow:0 0 12px var(--cyan)}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:rgba(7,11,16,.55);border-bottom:1px solid transparent;transition:background .3s,border-color .3s}
.nav.scrolled{background:rgba(7,11,16,.82);border-bottom-color:var(--line)}
.nav-in{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--f-display);font-weight:800;letter-spacing:-.01em;font-size:17px}
.brand svg{width:34px;height:34px;filter:drop-shadow(0 0 8px rgba(62,231,255,.45))}
.brand b{color:var(--amber-2)}
.nav-wrap{display:contents}
.nav-links{display:flex;gap:4px;margin-left:auto;list-style:none;padding:0}
.nav-links li:not(.nav-cta) a{padding:8px 12px;border-radius:9px;font-size:14.5px;color:var(--ink-2);font-weight:500;transition:color .2s,background .2s}
.nav-links li:not(.nav-cta) a:hover,.nav-links li:not(.nav-cta) a.active{color:var(--ink);background:var(--surface-2)}
.nav-links .btn{font-size:14px}
.nav-cta{margin-left:6px}
.burger{display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);position:relative}
.burger i,.burger i::before,.burger i::after{content:"";position:absolute;left:11px;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s,top .25s}
.burger i{top:20px}.burger i::before{top:-6px;left:0}.burger i::after{top:6px;left:0}
@media (max-width:900px){
  /* nav có backdrop-filter → là containing block của fixed, nên dùng absolute so với nav (sticky ở top) */
  .nav-links{position:absolute;top:100%;left:0;right:0;height:calc(100vh - 68px);height:calc(100dvh - 68px);overflow:auto;background:rgba(7,11,16,.97);border-top:1px solid var(--line);flex-direction:column;padding:18px 20px;gap:6px;transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;margin:0}
  .nav-links.open{opacity:1;transform:none;pointer-events:auto}
  .nav-links li:not(.nav-cta) a{font-size:18px;padding:14px 12px}
  .nav-cta{display:none}
  .burger{display:block}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 22px;border-radius:12px;font-family:var(--f-display);font-weight:700;font-size:15px;letter-spacing:.01em;border:1px solid transparent;transition:transform .2s var(--ease),box-shadow .2s,background .2s,border-color .2s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(135deg,var(--amber-2),var(--amber));color:#1a1204;box-shadow:0 8px 30px rgba(255,176,32,.28),inset 0 1px 0 rgba(255,255,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(255,176,32,.4)}
.btn-ghost{border-color:var(--line-2);color:var(--ink);background:rgba(62,231,255,.06)}
.btn-ghost:hover{background:rgba(62,231,255,.14);border-color:var(--cyan);transform:translateY(-2px)}
.btn-cyan{background:linear-gradient(135deg,var(--cyan-2),var(--cyan));color:#03171c;box-shadow:0 8px 30px rgba(62,231,255,.25)}
.btn-cyan:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(62,231,255,.4)}
.btn-sm{padding:10px 16px;font-size:14px;border-radius:10px}
.btn svg{width:18px;height:18px}

/* ---------- section scaffolding ---------- */
section{position:relative;padding:96px 0}
@media (max-width:720px){section{padding:68px 0}}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-mono);font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);margin-bottom:16px}
.kicker::before{content:"";width:22px;height:1px;background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.kicker.amber{color:var(--amber-2)}.kicker.amber::before{background:var(--amber-2);box-shadow:0 0 8px var(--amber-2)}
.sec-head h2{margin-bottom:14px}
.sec-head .lead{font-size:clamp(16px,1.4vw,19px);color:var(--ink-2);margin:0}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-2),transparent);margin:0 auto;max-width:var(--wrap)}

/* ---------- cards / glass ---------- */
.card{position:relative;background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r);padding:26px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:transform .35s var(--ease),border-color .3s,box-shadow .3s;will-change:transform}
.card::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(62,231,255,.13),transparent 45%);opacity:0;transition:opacity .3s}
.card:hover{border-color:var(--line-2);box-shadow:var(--shadow),0 0 0 1px rgba(62,231,255,.08)}
.card:hover::before,.card.tilting::before{opacity:1}
.hud{--c:var(--cyan)}
.hud::after{content:"";position:absolute;inset:8px;border-radius:calc(var(--r) - 6px);pointer-events:none;
  background:linear-gradient(var(--c),var(--c)) 0 0/14px 1px no-repeat,linear-gradient(var(--c),var(--c)) 0 0/1px 14px no-repeat,
  linear-gradient(var(--c),var(--c)) 100% 0/14px 1px no-repeat,linear-gradient(var(--c),var(--c)) 100% 0/1px 14px no-repeat,
  linear-gradient(var(--c),var(--c)) 0 100%/14px 1px no-repeat,linear-gradient(var(--c),var(--c)) 0 100%/1px 14px no-repeat,
  linear-gradient(var(--c),var(--c)) 100% 100%/14px 1px no-repeat,linear-gradient(var(--c),var(--c)) 100% 100%/1px 14px no-repeat;opacity:.55}
.chip{display:inline-flex;align-items:center;gap:7px;padding:5px 11px;white-space:nowrap;border-radius:999px;font-family:var(--f-mono);font-size:12px;font-weight:600;letter-spacing:.04em;border:1px solid var(--line-2);background:var(--cyan-soft);color:var(--cyan-2)}
.chip.amber{border-color:rgba(255,176,32,.45);background:var(--amber-soft);color:var(--amber-2)}
.chip.danger{border-color:rgba(255,107,107,.5);background:rgba(255,107,107,.12);color:#ff9a9a}
.chip .dot{width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 10px currentColor;animation:blink 1.6s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- HERO (full-bleed cinematic) ---------- */
.hero{position:relative;padding:0;min-height:calc(100vh - 68px);display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;isolation:isolate}
.hero-stage{position:absolute;inset:0;z-index:0}
#trex-stage{position:absolute;inset:0}
.hero-video{position:absolute;inset:0;z-index:0;width:100%;height:100%;object-fit:cover;object-position:68% 50%;opacity:0;transition:opacity 1.2s ease;pointer-events:none}
.hero.has-video .hero-video{opacity:1}
.hero.has-video #trex-stage{display:none}
.hero.has-video .stage-hint{display:none}
@media (max-width:980px){.hero-video{height:min(62vh,560px);object-position:60% 50%}}
#trex-stage canvas{position:absolute;inset:0;width:100%!important;height:100%!important;display:block;cursor:grab;touch-action:pan-y;outline:none}
#trex-stage canvas:focus-visible{box-shadow:inset 0 0 0 2px var(--cyan)}
.hero-shade{position:absolute;inset:0;z-index:1;pointer-events:none;background:
  linear-gradient(90deg,rgba(7,11,16,.94) 0%,rgba(7,11,16,.78) 28%,rgba(7,11,16,.28) 52%,rgba(7,11,16,0) 72%),
  linear-gradient(0deg,var(--bg) 0%,rgba(7,11,16,.55) 14%,transparent 40%),
  linear-gradient(180deg,rgba(7,11,16,.55) 0%,transparent 22%)}
@media (max-width:1200px) and (min-width:981px){
  .hero-shade{background:linear-gradient(90deg,rgba(7,11,16,.95) 0%,rgba(7,11,16,.85) 45%,rgba(7,11,16,.35) 70%,transparent 88%),linear-gradient(0deg,var(--bg) 0%,rgba(7,11,16,.55) 14%,transparent 40%),linear-gradient(180deg,rgba(7,11,16,.55) 0%,transparent 22%)}
}
.hero-rays{position:absolute;inset:-10% -10% 0;z-index:0;pointer-events:none;opacity:.55;background:
  conic-gradient(from 200deg at 78% -20%,transparent 0deg,rgba(62,231,255,.10) 6deg,transparent 12deg,transparent 20deg,rgba(255,176,32,.06) 26deg,transparent 32deg,transparent 44deg,rgba(62,231,255,.08) 50deg,transparent 58deg);
  filter:blur(18px);animation:rays 18s ease-in-out infinite alternate}
@keyframes rays{from{transform:rotate(-2deg) scale(1.02)}to{transform:rotate(2deg) scale(1.06)}}
.hero-in{position:relative;z-index:2;width:100%;padding-top:16px;padding-bottom:34px;display:grid;grid-template-columns:minmax(0,720px) 1fr;gap:20px;align-items:stretch;flex:1}
.hero-copy{position:relative;max-width:720px;padding-bottom:0;display:flex;flex-direction:column}
.hero h1{margin:14px 0 20px;font-size:clamp(36px,5.2vw,66px);text-shadow:0 10px 40px rgba(0,0,0,.6)}
.hero .lead{font-size:clamp(16.5px,1.45vw,19.5px);color:var(--ink-2);max-width:600px;margin-bottom:28px;text-shadow:0 4px 24px rgba(0,0,0,.7)}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px;margin-top:auto;padding-top:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px}
.trex-fallback .trex-svg{display:flex}
.trex-svg{display:none;position:absolute;inset:0;align-items:center;justify-content:flex-end;padding-right:8%}
.trex-svg svg{width:44%;max-width:520px;filter:drop-shadow(0 0 40px rgba(62,231,255,.35))}
.stage-hud{position:absolute;z-index:2;font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);opacity:.85;pointer-events:none}
.stage-hud.tr{right:24px;top:22px;text-align:right}.stage-hud.br{right:24px;bottom:120px;text-align:right}
.stage-hud b{display:block;color:var(--ink);font-weight:600;letter-spacing:.06em;text-transform:none;font-size:12px}
.stage-hud .bar{display:inline-block;width:120px;height:3px;background:rgba(62,231,255,.15);border-radius:2px;overflow:hidden;margin-top:6px;vertical-align:middle}
.stage-hud .bar i{display:block;height:100%;width:40%;background:var(--cyan);box-shadow:0 0 8px var(--cyan);animation:scanbar 3.2s ease-in-out infinite}
@keyframes scanbar{0%{transform:translateX(-100%)}100%{transform:translateX(300%)}}
#trex-stage.trex-fallback ~ .stage-hint{display:none}
.cd-days{display:inline-flex;align-items:center;gap:6px}
.cd-days.hide{display:none}
.stage-hint{position:absolute;right:24px;bottom:96px;z-index:2;font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;color:var(--ink-3);pointer-events:none;white-space:nowrap}
/* thanh giá nằm NGOÀI hero (hero overflow:hidden), đè lên mép dưới hero bằng margin âm */
.urgency-wrap{position:relative;z-index:3;margin-top:-44px}
.hero-urgency{position:relative;border:1px solid rgba(255,176,32,.35);background:linear-gradient(90deg,rgba(255,176,32,.14),rgba(62,231,255,.07)),rgba(7,11,16,.85);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:16px;padding:14px 20px;display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;box-shadow:0 18px 50px rgba(0,0,0,.45)}
.hero-urgency .txt{flex:1;min-width:240px;font-size:15px;color:var(--ink-2)}
.hero-urgency .txt b{color:var(--ink)}
.hero-in{padding-bottom:96px;min-height:calc(100vh - 68px)} /* min-height = hero (flex:1 không giãn); 96px = bottom của .stage-hint → đáy nhãn ngang dòng kéo-để-xoay */
.urgency-wrap + section{padding-top:72px}
.cd{display:inline-flex;align-items:center;gap:6px;font-family:var(--f-mono);font-variant-numeric:tabular-nums;font-weight:700;font-size:18px;color:var(--amber-2)}
.cd span{display:inline-block;min-width:2ch;text-align:center}
.cd em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.06em}
.cd.is-expired{color:var(--ink-3);font-size:14px}
@media (max-width:980px){
  .hero{min-height:0}
  .hero-stage{height:min(62vh,560px);inset:auto 0 auto 0;top:0}
  .hero-shade{background:linear-gradient(0deg,var(--bg) 0%,rgba(7,11,16,.85) 18%,rgba(7,11,16,.15) 45%,transparent 70%)}
  .hero-in{grid-template-columns:1fr;padding-top:min(48vh,420px);padding-bottom:30px}
  .hero-copy{max-width:100%}
  .stage-hud.br,.stage-hint{display:none}
  .stage-hud.tr{top:14px;right:16px}
  .trex-svg{justify-content:center;padding:0}
  .trex-svg svg{width:62%}
  .hero-in{padding-bottom:26px;min-height:0}
  .urgency-wrap{margin-top:0}
  .urgency-wrap + section{padding-top:56px}
}

/* ---------- COURSES ---------- */
.courses-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;align-items:stretch;max-width:960px}
@media (max-width:860px){.courses-grid{grid-template-columns:1fr;max-width:640px}}
.course{display:flex;flex-direction:column;padding:28px 26px 26px;overflow:hidden}
.course.featured{border-color:rgba(255,176,32,.4);background:linear-gradient(180deg,rgba(255,176,32,.08),rgba(255,255,255,.03));--c:var(--amber-2)}
.course .top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:8px 10px;margin-bottom:14px}
.course h3{font-size:24px;margin:6px 0 6px;letter-spacing:-.02em}
.course .tag{font-size:14px;color:var(--ink-2);margin-bottom:18px}
.price{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.price .cur{font-family:var(--f-display);font-size:44px;font-weight:800;letter-spacing:-.03em;line-height:1;color:var(--ink)}
.price .old{font-family:var(--f-mono);font-size:18px;color:var(--ink-3);text-decoration:line-through}
.price .per{font-size:13px;color:var(--ink-3)}
.price-note{font-size:13.5px;color:var(--amber-2);margin-bottom:16px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.price-note .cd{font-size:14px}
.course .desc{color:var(--ink-2);font-size:15px;margin-bottom:16px}
.bullets{list-style:none;padding:0;margin:0 0 18px;display:grid;gap:9px}
.bullets li{position:relative;padding-left:26px;font-size:14.5px;color:var(--ink)}
.bullets li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:14px;border-radius:4px;background:var(--cyan-soft);border:1px solid var(--line-2)}
.bullets li::after{content:"";position:absolute;left:4px;top:10px;width:6px;height:4px;border-left:2px solid var(--cyan);border-bottom:2px solid var(--cyan);transform:rotate(-45deg)}
.modules{margin:0 0 18px;padding:0;list-style:none;border:1px solid var(--line-soft);border-radius:12px;overflow:hidden;background:rgba(0,0,0,.18)}
.modules li{display:grid;grid-template-columns:44px 1fr;gap:10px;align-items:center;padding:9px 12px;font-size:13.5px;border-bottom:1px solid var(--line-soft);color:var(--ink-2)}
.modules li:last-child{border-bottom:0}
.modules b{font-family:var(--f-mono);font-size:12px;font-weight:700;color:var(--cyan);letter-spacing:.06em}
.course.featured .modules b{color:var(--amber-2)}
.forwho{font-size:13.5px;color:var(--ink-3);margin-bottom:20px;padding-left:12px;border-left:2px solid var(--line-2)}
.course .cta{margin-top:auto;display:grid;gap:10px}
.course .cta .btn{width:100%;white-space:normal;text-align:center}
.card .btn,.sol-price .btn,.news-more .btn{white-space:normal}

/* ---------- T-REX STORY BAND ---------- */
.band{padding:0}
.band-in{display:grid;grid-template-columns:120px 1fr auto;gap:26px;align-items:center;border:1px solid var(--line);border-radius:var(--r);padding:26px 30px;background:linear-gradient(90deg,rgba(62,231,255,.07),rgba(255,176,32,.05));position:relative;overflow:hidden}
.band-in .kicker{margin-bottom:8px}
.band-in .btn{position:relative;white-space:normal;text-align:center}
.band-in::before{content:"";position:absolute;inset:-40%;background:conic-gradient(from 0deg,transparent 0 70%,rgba(62,231,255,.12) 80%,transparent 90%);animation:spin 14s linear infinite;pointer-events:none}
@keyframes spin{to{transform:rotate(360deg)}}
.band svg{width:110px;height:110px;filter:drop-shadow(0 0 18px rgba(62,231,255,.45));animation:float 5s ease-in-out infinite;position:relative}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.band h3{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px;position:relative}
.band p{margin:0;color:var(--ink-2);position:relative}
@media (max-width:900px){.band-in{grid-template-columns:120px 1fr}.band-in .btn{grid-column:1 / -1;justify-self:start}}
@media (max-width:640px){.band-in{grid-template-columns:1fr;text-align:center;justify-items:center}.band-in .kicker{justify-content:center}.band-in .btn{justify-self:center}}

/* ---------- STEPS (skool how / solutions) ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:st}
@media (max-width:980px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
.step{padding:24px}
.step .n{font-family:var(--f-mono);font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--cyan);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.step .n::after{content:"";flex:1;height:1px;background:var(--line)}
.step h3{font-size:18px;margin-bottom:8px}
.step p{margin:0;font-size:14.5px;color:var(--ink-2)}
.steps.five{grid-template-columns:repeat(5,1fr)}
@media (max-width:1100px){.steps.five{grid-template-columns:repeat(3,1fr)}}
@media (max-width:700px){.steps.five{grid-template-columns:1fr}}

/* ---------- ABOUT ---------- */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
@media (max-width:900px){.about-grid{grid-template-columns:1fr}}
.about-grid .lead{font-size:clamp(17px,1.5vw,20px);color:var(--ink-2)}
.pillars{display:grid;gap:12px}
.pillar{padding:20px 22px;display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start}
.pillar .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--cyan-soft);border:1px solid var(--line-2);color:var(--cyan)}
.pillar .ic svg{width:22px;height:22px}
.pillar h3{font-size:17px;margin-bottom:5px}
.pillar p{margin:0;font-size:14.5px;color:var(--ink-2)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:14px;overflow:hidden;margin-top:34px}
@media (max-width:700px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{background:var(--bg-2);padding:20px}
.stat-v{font-family:var(--f-display);font-size:36px;font-weight:800;letter-spacing:-.03em;line-height:1;color:var(--amber-2)}
.stat-k{font-size:13px;color:var(--ink-3);margin-top:8px;line-height:1.35}

/* ---------- SOLUTIONS ---------- */
.sol-comp{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
@media (max-width:900px){.sol-comp{grid-template-columns:1fr}}
.sol-comp .card h3{font-size:19px;margin-bottom:4px}
.sol-comp .sub{font-size:13.5px;color:var(--ink-3);margin-bottom:14px}
.sol-price{margin-top:28px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:800px){.sol-price{grid-template-columns:1fr}}
.sol-price .card{display:flex;flex-direction:column;gap:8px}
.sol-price .v{font-family:var(--f-display);font-size:28px;font-weight:800;letter-spacing:-.02em;color:var(--amber-2)}
.sol-price .k{font-size:13px;color:var(--ink-3);letter-spacing:.06em;text-transform:uppercase;font-family:var(--f-mono)}
.policy{margin-top:18px;font-size:13.5px;color:var(--ink-3);padding:14px 16px;border:1px dashed var(--line-soft);border-radius:12px}

/* ---------- PROJECTS ---------- */
.proj-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media (max-width:1100px){.proj-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.proj-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:460px){.proj-grid{grid-template-columns:1fr}}
.proj{padding:0;overflow:hidden;cursor:pointer;display:block}
.proj .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-3)}
.proj .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease),filter .4s;filter:saturate(.9)}
.proj:hover .thumb img{transform:scale(1.06);filter:saturate(1.1)}
.proj .play{position:absolute;left:50%;top:50%;width:52px;height:52px;border-radius:50%;transform:translate(-50%,-50%);display:grid;place-items:center;background:rgba(7,11,16,.7);border:1px solid var(--line-2);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:transform .3s var(--ease),background .3s}
.proj .play svg{width:18px;height:18px;margin-left:3px;fill:var(--cyan)}
.proj:hover .play{transform:translate(-50%,-50%) scale(1.12);background:rgba(62,231,255,.2)}
.proj .body{padding:14px 16px 16px}
.proj h3{font-size:15.5px;margin-bottom:6px}
.proj p{margin:0;font-size:13px;color:var(--ink-3);line-height:1.5}
.kids-grid{grid-template-columns:repeat(5,1fr)}
@media (max-width:1100px){.kids-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.kids-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:460px){.kids-grid{grid-template-columns:1fr}}
.kids-grid .proj h3{font-size:15px}
.kids-course{margin-top:18px;display:grid;grid-template-columns:1fr auto;gap:22px;align-items:center;--c:var(--amber-2);border-color:rgba(255,176,32,.3);background:linear-gradient(90deg,rgba(255,176,32,.08),rgba(255,255,255,.03))}
.kids-course h3{margin:10px 0 8px;font-size:22px}
.kids-course p{margin:0;color:var(--ink-2);font-size:15px;max-width:70ch}
.kids-ctas{display:grid;gap:10px;min-width:220px}
@media (max-width:800px){.kids-course{grid-template-columns:1fr}.kids-ctas{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.kids-ctas{grid-template-columns:1fr}}
.lightbox{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(3,6,9,.86);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
@supports not (aspect-ratio:1){.lb-frame{position:relative;padding-top:56.25%}.lb-frame iframe{position:absolute;inset:0;height:100%}.proj .thumb{position:relative;padding-top:56.25%}.proj .thumb img{position:absolute;inset:0;height:100%}}
.lightbox.open{display:flex}
.lb-box{width:min(1100px,100%);position:relative}
.lb-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;color:var(--ink-2);font-size:14px}
.lb-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line-2);display:grid;place-items:center;color:var(--ink)}
.lb-frame{aspect-ratio:16/9;background:#000;border-radius:14px;overflow:hidden;border:1px solid var(--line-2);box-shadow:0 0 60px rgba(62,231,255,.2)}
.lb-frame iframe{width:100%;height:100%;border:0;display:block}

/* ---------- NEWS ---------- */
.news-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:18px}
@media (max-width:900px){.news-grid{grid-template-columns:1fr}}
.news-feat{padding:0;overflow:hidden;display:flex;flex-direction:column}
.news-feat .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-3);position:relative}
.news-feat .thumb img{width:100%;height:100%;object-fit:cover}
.news-feat .thumb .chip{position:absolute;left:14px;top:14px}
.news-feat .body{padding:22px 24px}
.news-feat h3{font-size:22px;margin:8px 0 10px}
.news-feat p{color:var(--ink-2);font-size:14.5px}
.news-list{display:grid;gap:10px}
.news-item{display:grid;grid-template-columns:96px 1fr;gap:14px;align-items:center;padding:12px;border-radius:14px;border:1px solid var(--line-soft);background:var(--surface);transition:border-color .2s,transform .2s var(--ease),background .2s}
.news-item:hover{border-color:var(--line-2);transform:translateX(4px);background:var(--surface-2)}
.news-item img{width:96px;aspect-ratio:16/9;object-fit:cover;border-radius:8px;background:var(--bg-3)}
.news-item .meta{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:4px}
.news-item .meta b{color:var(--cyan);font-weight:600}
.news-item h3{font-size:14.5px;font-weight:600;line-height:1.35;color:var(--ink)}
.news-more{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* ---------- COMMITMENT ---------- */
.commit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media (max-width:980px){.commit-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.commit-grid{grid-template-columns:1fr}}
.commit{padding:22px}
.commit .ic{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:var(--amber-soft);border:1px solid rgba(255,176,32,.4);color:var(--amber-2);margin-bottom:14px}
.commit .ic svg{width:20px;height:20px}
.commit h3{font-size:16.5px;margin-bottom:6px}
.commit p{margin:0;font-size:14px;color:var(--ink-2)}

/* ---------- CONTACT ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.contact-info{display:grid;gap:10px}
.ci{display:grid;grid-template-columns:40px 1fr;gap:12px;align-items:center;padding:14px 16px;border-radius:12px;border:1px solid var(--line-soft);background:var(--surface)}
.ci .ic{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;background:var(--cyan-soft);border:1px solid var(--line-2);color:var(--cyan)}
.ci .ic svg{width:18px;height:18px}
.ci .k{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.ci .v{font-size:15px;color:var(--ink);font-weight:500}
.socials{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.form{padding:26px}
.form h3{margin-bottom:6px}
.form .small{margin-bottom:18px}
.field{display:grid;gap:6px;margin-bottom:14px}
.field label{font-size:13px;color:var(--ink-2);font-weight:500}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line-soft);background:rgba(0,0,0,.25);color:var(--ink);font:inherit;font-size:15px;outline:none;transition:border-color .2s,box-shadow .2s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(62,231,255,.15)}
.field select option{background:#0f1822;color:var(--ink)}
.form-ok{display:none;margin-top:12px;font-size:13.5px;color:var(--cyan-2)}
.form-ok.show{display:block}

/* ---------- FOOTER ---------- */
footer{border-top:1px solid var(--line-soft);padding:48px 0 30px;background:linear-gradient(180deg,transparent,rgba(0,0,0,.35))}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
@media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}
.foot-grid h4{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-bottom:14px;font-family:var(--f-mono);font-weight:600}
.foot-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.foot-grid li a{font-size:14px;color:var(--ink-2)}
.foot-grid li a:hover{color:var(--cyan)}
.foot-brand p{font-size:14px;color:var(--ink-3);max-width:340px;margin-top:12px}
.foot-bottom{margin-top:36px;padding-top:18px;border-top:1px solid var(--line-soft);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:var(--ink-3)}

/* ---------- utilities ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:800px){.grid-2{grid-template-columns:1fr}}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
::selection{background:rgba(62,231,255,.35);color:#fff}