/* TechGyan360.in – theme matched to the logo: deep navy + sky cyan, clean white surfaces */
:root{
  --navy:#032763; --navy-2:#0a3a8c; --royal:#1554c7; --cyan:#3fb8ee; --cyan-2:#7fd3f7;
  --bg:#f4f7fb; --card:#fff; --ink:#0d1b33; --ink-2:#3c4a63; --muted:#6b7890; --line:#e3e9f2;
  --sale:#ff5a36; --gold:#ffb020; --yt:#ff0033; --ok:#12a150;
  --r:16px; --shadow:0 1px 2px rgba(3,39,99,.05),0 10px 30px -14px rgba(3,39,99,.22);
  --display:'Plus Jakarta Sans',system-ui,sans-serif; --body:'Inter',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 var(--body);-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}
.muted{color:var(--muted)}

/* ---------- header ---------- */
.topbar{position:sticky;top:0;z-index:30;background:var(--navy);box-shadow:0 2px 12px rgba(3,39,99,.25)}
.topbar-in{display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px}
.brand img{height:46px;width:auto}
.nav{display:flex;align-items:center;gap:2px}
.nav a{text-decoration:none;padding:8px 13px;border-radius:999px;font-weight:600;font-size:14.5px;color:#c9d6ee;font-family:var(--display)}
.nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav a.on{color:var(--navy);background:var(--cyan)}
.nav .btn-yt{display:inline-flex;align-items:center;gap:6px;background:var(--yt);color:#fff;margin-left:6px}
.nav .btn-yt:hover{background:#e0002d}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:12px;font:700 15px var(--display);text-decoration:none;border:0;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.btn:active{transform:scale(.97)}
.btn-primary{background:linear-gradient(135deg,var(--cyan),#2a8fe0);color:#fff;box-shadow:0 8px 20px -8px rgba(63,184,238,.8)}
.btn-primary:hover{box-shadow:0 10px 26px -8px rgba(63,184,238,.95);transform:translateY(-1px)}
.btn-yt-lg{background:rgba(255,255,255,.1);color:#fff;border:1.5px solid rgba(255,255,255,.35)}
.btn-yt-lg:hover{background:rgba(255,255,255,.18)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;color:#fff;padding:64px 0 76px;
  background:radial-gradient(900px 400px at 85% -10%,rgba(63,184,238,.35),transparent 60%),
             radial-gradient(700px 380px at -10% 110%,rgba(21,84,199,.55),transparent 60%),
             linear-gradient(160deg,var(--navy) 0%,#062f78 100%)}
.hero::before{content:'';position:absolute;inset:0;opacity:.18;pointer-events:none;
  background-image:linear-gradient(rgba(127,211,247,.35) 1px,transparent 1px),linear-gradient(90deg,rgba(127,211,247,.35) 1px,transparent 1px);
  background-size:44px 44px;mask-image:radial-gradient(ellipse at 70% 40%,#000 10%,transparent 65%)}
.hero-in{position:relative;display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);padding:6px 12px;border-radius:999px;font-size:13px;font-weight:600;margin:0 0 18px;color:#d6e6ff}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--yt);box-shadow:0 0 0 4px rgba(255,0,51,.25)}
.hero h1{font:800 clamp(34px,5.4vw,58px)/1.06 var(--display);letter-spacing:-.025em;margin:0 0 18px}
.grad{background:linear-gradient(90deg,var(--cyan-2),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:#c3d3ee;font-size:17px;max-width:520px;margin:0}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hub{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hub-tile{position:relative;display:flex;flex-direction:column;gap:2px;padding:20px;border-radius:20px;text-decoration:none;min-height:140px;color:#fff;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(6px);transition:transform .2s,background .2s}
.hub-tile:hover{transform:translateY(-4px);background:rgba(255,255,255,.12)}
.hub-tile .ic{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;font-size:20px;margin-bottom:auto;background:rgba(255,255,255,.12)}
.hub-tile b{font:800 21px var(--display)}
.hub-tile small{color:#bcd0ee}
.t-deals{grid-row:span 2;background:linear-gradient(160deg,var(--cyan),#2a8fe0);border:0}
.t-deals .ic{background:rgba(255,255,255,.25)}
.t-deals small{color:#eaf7ff}
.t-shorts .ic{background:rgba(255,176,32,.25)}
.t-videos .ic{background:rgba(255,0,51,.3)}

/* ---------- sections ---------- */
.block{padding-top:52px}
.band{background:linear-gradient(180deg,#e9f1fb,var(--bg));margin-top:52px;padding:44px 0 8px}
.block-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:18px}
.kicker{margin:0 0 2px;font:700 12px var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--royal)}
.block-head h2,.deals-head h1{font:800 clamp(22px,3vw,28px)/1.2 var(--display);letter-spacing:-.02em;margin:0;color:var(--navy)}
.more{font-weight:600;color:var(--royal);text-decoration:none;white-space:nowrap}
.more:hover{text-decoration:underline}
.soon{background:var(--card);border:1px dashed var(--line);border-radius:var(--r);padding:22px;color:var(--ink-2);margin:0}

/* ---------- categories ---------- */
.cat-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.cat-scroll{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
.cat-scroll::-webkit-scrollbar{display:none}
.cat-chip{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;padding:9px 15px;border-radius:999px;background:var(--card);border:1px solid var(--line);text-decoration:none;font-weight:600;font-size:14px;color:var(--ink-2);transition:all .15s}
.cat-chip:hover{border-color:var(--cyan);color:var(--navy)}
.cat-chip.on{background:var(--navy);color:#fff;border-color:var(--navy)}

/* ---------- deals page header ---------- */
.deals-head{padding-top:30px;display:grid;grid-template-columns:minmax(0,1fr);gap:16px;margin-bottom:6px}
.search{display:grid;grid-template-columns:1fr auto auto;gap:10px}
.search input,.search select{min-width:0;height:48px;border:1px solid var(--line);border-radius:12px;padding:0 14px;font:inherit;background:var(--card);color:var(--ink)}
.search input{padding-left:42px;background:var(--card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='none' stroke='%236b7890' stroke-width='2'%3E%3Ccircle cx='8' cy='8' r='6'/%3E%3Cpath d='m13 13 4 4'/%3E%3C/svg%3E") no-repeat 14px center}
.search input:focus,.search select:focus{outline:2px solid var(--cyan);outline-offset:-1px}

/* ---------- product cards ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px}
.card{background:var(--card);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;border:1px solid #edf1f7;transition:transform .2s,box-shadow .2s;animation:rise .35s ease both}
.card:hover{transform:translateY(-4px);box-shadow:0 2px 4px rgba(3,39,99,.05),0 18px 40px -16px rgba(3,39,99,.35)}
@keyframes rise{from{opacity:0;transform:translateY(10px)}}
.card-img{position:relative;display:block;aspect-ratio:1;background:#fff;padding:16px}
.card-img img{width:100%;height:100%;object-fit:contain;transition:transform .3s}
.card:hover .card-img img{transform:scale(1.04)}
.off{position:absolute;top:10px;left:10px;background:var(--sale);color:#fff;font:800 12px var(--display);padding:4px 9px;border-radius:999px}
.badge{position:absolute;top:10px;right:10px;background:var(--gold);color:#3a2600;font:800 10.5px var(--display);padding:4px 9px;border-radius:999px;text-transform:uppercase;letter-spacing:.04em}
.card-body{padding:12px 14px 14px;display:flex;flex-direction:column;gap:6px;flex:1}
.store{align-self:flex-start;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--c)}
.store::before{content:'';display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--c);margin-right:6px}
.card h3{font-size:14px;font-weight:500;margin:0;line-height:1.4;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card h3 a{text-decoration:none}
.price{display:flex;align-items:baseline;gap:8px;margin-top:auto;padding-top:4px}
.price b{font:800 19px var(--display);color:var(--navy)}
.price s{color:var(--muted);font-size:13px}
.coupon{border:1.5px dashed var(--cyan);background:#effaff;color:var(--navy);border-radius:8px;padding:6px;font:700 12px var(--body);cursor:pointer}
.coupon.copied{background:var(--ok);color:#fff;border-color:var(--ok)}
.btn-buy{background:var(--navy);color:#fff;padding:10px;border-radius:10px;font-size:14px}
.btn-buy:hover{background:var(--royal)}

/* ---------- videos ---------- */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.video,.short{position:relative;border:0;padding:0;border-radius:var(--r);overflow:hidden;cursor:pointer;background:#000;text-align:left;color:#fff;box-shadow:var(--shadow)}
.video{aspect-ratio:16/9}
.video-lg{grid-column:span 2;grid-row:span 2}
.video img,.short img{width:100%;height:100%;object-fit:cover;opacity:.9;transition:transform .35s,opacity .3s}
.video:hover img,.short:hover img{transform:scale(1.05);opacity:1}
.play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:54px;height:54px;border-radius:50%;background:rgba(255,0,51,.92);display:grid;place-items:center;font-size:18px;box-shadow:0 6px 20px rgba(0,0,0,.35);transition:transform .2s}
.video:hover .play,.short:hover .play{transform:translate(-50%,-50%) scale(1.1)}
.vt{position:absolute;inset:auto 0 0 0;padding:34px 12px 10px;background:linear-gradient(transparent,rgba(3,20,50,.92));font:600 13px/1.35 var(--body);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.video-lg .vt{font-size:17px;padding:40px 16px 14px}
.vt small{display:block;font-weight:400;opacity:.75;margin-top:2px}
.video iframe,.short iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.shorts-row{display:grid;grid-auto-flow:column;grid-auto-columns:clamp(150px,18vw,200px);gap:14px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.short{aspect-ratio:9/16;scroll-snap-align:start}
.short .play{width:46px;height:46px;font-size:15px}

/* ---------- loader / misc ---------- */
.loader{display:flex;justify-content:center;gap:6px;padding:30px}
.loader span{width:9px;height:9px;border-radius:50%;background:var(--cyan);animation:b 1s infinite}
.loader span:nth-child(2){animation-delay:.15s}.loader span:nth-child(3){animation-delay:.3s}
.loader.hide{visibility:hidden}
@keyframes b{50%{transform:translateY(-8px);opacity:.4}}
.end{text-align:center;color:var(--muted);padding:12px 0 30px}
#sentinel{height:1px}

/* ---------- subscribe band ---------- */
.join{position:relative;overflow:hidden;background:linear-gradient(120deg,var(--navy),var(--royal));color:#fff;border-radius:24px;padding:32px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.join::after{content:'';position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:rgba(63,184,238,.25)}
.join h2{font:800 26px var(--display);margin:0 0 4px;position:relative}
.join p{margin:0;color:#c9d8f2;position:relative}

/* ---------- social ---------- */
.social{display:flex;gap:10px;position:relative}
.social a{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.1);color:#fff;transition:transform .15s,background .15s}
.social a:hover{transform:translateY(-2px)}
.social .s-youtube:hover{background:var(--yt)}
.social .s-instagram:hover{background:linear-gradient(45deg,#f9a825,#e91e63,#7b1fa2)}
.social .s-facebook:hover{background:#1877f2}
.social .s-telegram:hover{background:#229ed9}
.social .s-whatsapp:hover{background:#25d366}
.social-lg a{width:50px;height:50px;border-radius:14px}
.social-lg svg{width:24px;height:24px}

/* ---------- footer ---------- */
.foot{margin-top:64px;background:var(--navy);color:#c3d1ea;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-top:44px;padding-bottom:28px}
.foot-brand img{height:56px;width:auto;margin-bottom:12px}
.foot-brand p{margin:0 0 16px;max-width:340px}
.foot h4{font:700 14px var(--display);color:#fff;margin:6px 0 12px;text-transform:uppercase;letter-spacing:.08em}
.foot-grid > div:not(.foot-brand) a{display:block;text-decoration:none;padding:4px 0;color:#c3d1ea}
.foot-grid > div:not(.foot-brand) a:hover{color:var(--cyan)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;padding-bottom:24px;font-size:13px;color:#8fa3c7}
.foot-bottom p{margin:0 0 6px}
.disclosure{color:#a9bad9}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .hero-in{grid-template-columns:1fr;gap:32px}
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1/-1}
  .join{flex-direction:column;align-items:flex-start}
}
@media (max-width:600px){
  .hide-sm{display:none}
  .yt-txt{display:none}
  .nav a{padding:7px 10px}
  .nav .btn-yt{padding:8px 10px}
  .brand img{height:40px}
  .search{grid-template-columns:1fr 1fr}
  .search input{grid-column:1/-1}
  .grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .card-body{padding:10px}
  .price b{font-size:17px}
  .hero{padding:40px 0 48px}
  .hub{grid-template-columns:1fr 1fr}
  .hub-tile{min-height:116px;padding:16px}
  .t-deals{grid-row:auto;grid-column:1/-1;min-height:100px}
  .shorts-row{grid-auto-columns:42%}
  .badge{top:auto;bottom:8px;right:auto;left:8px}
  .video-lg .vt{font-size:15px}
}

/* Category chips: wrap into rows on computers (no hidden sideways scroll); swipe row on phones */
@media (min-width:601px){.cat-scroll{flex-wrap:wrap;overflow:visible}}

/* ---------- content pages (About, Privacy, Terms…) ---------- */
.page-hero{background:linear-gradient(160deg,var(--navy),#062f78);color:#fff;padding:44px 0 40px}
.page-hero h1{font:800 clamp(28px,4.5vw,42px)/1.15 var(--display);margin:0 0 6px;letter-spacing:-.02em}
.page-hero .kicker{color:var(--cyan-2)}
.page-hero .muted{color:#a9bad9;margin:0;font-size:14px}
.page-body{padding-top:36px}
.prose{max-width:760px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px 32px;box-shadow:var(--shadow);font-size:16px;line-height:1.75;color:var(--ink-2)}
.prose h2{font:700 21px var(--display);color:var(--navy);margin:28px 0 8px}
.prose h2:first-child{margin-top:0}
.prose a{color:var(--royal);font-weight:600}
.prose ul{padding-left:22px}
.prose li{margin:4px 0}
.disclosure a{color:var(--cyan-2)}
.contact-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:24px;align-items:start}
.contact-grid .prose{max-width:none}
.social-dark a{background:var(--navy)}
.contact-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow)}
.contact-form label{display:block;font-weight:600;font-size:14px;color:var(--ink);margin-bottom:14px}
.contact-form small{font-weight:400;color:var(--muted)}
.contact-form input,.contact-form textarea{display:block;width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;font-weight:400;background:#fbfcfe}
.contact-form input:focus,.contact-form textarea:focus{outline:2px solid var(--cyan);outline-offset:-1px;background:#fff}
.contact-form .btn{width:100%}
.fine{font-size:12.5px;color:var(--muted);margin:10px 0 0}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
.form-err{background:#fff1ee;color:#b42318;border:1px solid #ffd2c8;border-radius:10px;padding:10px 14px;margin-bottom:14px}
.sent{text-align:center;padding:30px 10px}
.sent b{display:block;font:800 22px var(--display);color:var(--ok);margin-bottom:6px}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.prose{padding:20px 18px;font-size:15.5px}}

/* ---------- uniform product cards (any image shape) ---------- */
.card-img{position:relative;display:block;aspect-ratio:1/1;padding:0;background:#fff;overflow:hidden}
.card-img img{position:absolute;inset:12px;width:calc(100% - 24px);height:calc(100% - 24px);object-fit:contain;object-position:center}
.card h3{min-height:2.8em}
.card-body{gap:6px}
.card .price{min-height:28px}
.from-note{background:#e9f4fd;border:1px solid #cfe6fb;color:var(--navy);border-radius:12px;padding:10px 14px;margin:0 0 16px;font-size:14px}
.from-note a{color:var(--royal);font-weight:600}
.more-box{text-align:center;padding:10px 0 4px}
.more-box p{color:var(--muted);margin:0 0 12px}

/* ---------- breadcrumbs, category intro, product page ---------- */
.crumbs{font-size:13px;color:var(--muted);margin-bottom:4px}
.crumbs a{color:var(--royal);text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.intro{margin:0;color:var(--ink-2);max-width:760px}
.pdp{padding-top:24px}
.pdp-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:32px;margin-top:10px;align-items:start}
.pdp-img{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;aspect-ratio:1/1;box-shadow:var(--shadow)}
.pdp-img img{position:absolute;inset:24px;width:calc(100% - 48px);height:calc(100% - 48px);object-fit:contain}
.pdp-info h1{font:800 clamp(22px,3vw,30px)/1.25 var(--display);color:var(--navy);margin:8px 0 10px;letter-spacing:-.01em}
.badge-inline{display:inline-block;background:var(--gold);color:#3a2600;font:800 11px var(--display);padding:4px 10px;border-radius:999px;text-transform:uppercase;letter-spacing:.04em}
.pdp-price{display:flex;align-items:baseline;flex-wrap:wrap;gap:12px;margin:16px 0 4px}
.pdp-price b{font:800 34px var(--display);color:var(--navy)}
.pdp-price s{color:var(--muted)}
.save{background:#e8f8ef;color:var(--ok);font-weight:700;font-size:13px;padding:4px 10px;border-radius:999px}
.pdp-note{font-size:13px;color:var(--muted);margin:0 0 16px}
.btn-big{width:100%;padding:16px;font-size:17px;margin:6px 0 14px}
.pdp-info .coupon{width:100%;padding:10px;margin-bottom:8px}
.pdp-review{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;margin:6px 0 12px;color:var(--ink-2);line-height:1.7}
.pdp-review h2{font:700 17px var(--display);color:var(--navy);margin:0 0 6px}
@media (max-width:800px){.pdp-grid{grid-template-columns:1fr;gap:18px}.pdp-price b{font-size:28px}}

/* ---------- Videos & Shorts by topic ---------- */
.vcat{margin:0 0 34px;scroll-margin-top:84px}
.vcat-head{display:flex;align-items:center;gap:12px;margin:0 0 16px}
.vcat-ic{width:44px;height:44px;flex:none;display:grid;place-items:center;font-size:22px;border-radius:12px;background:linear-gradient(135deg,#e6f5fd,#d5e6fb);box-shadow:inset 0 0 0 1px rgba(21,84,199,.12)}
.vcat-title{font:800 clamp(19px,2.2vw,24px)/1.2 var(--display);letter-spacing:-.01em;margin:0;color:var(--ink)}
.vcat-count{margin-left:auto;flex:none;font-size:12px;font-weight:700;color:var(--royal);background:#e8f1fd;padding:5px 11px;border-radius:999px}
.tag-top{position:absolute;top:12px;left:12px;z-index:2;background:linear-gradient(135deg,#ffb020,#ff7a1a);color:#1b1200;font:800 11px var(--display);letter-spacing:.04em;padding:5px 10px;border-radius:999px;box-shadow:0 4px 14px rgba(255,140,0,.4)}
.vcat-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:18px}
.vcat-big{aspect-ratio:16/10;width:100%;height:100%}
.vcat-big .vt{font-size:18px;padding:60px 18px 16px;-webkit-line-clamp:2}
.vcat-big .play{width:68px;height:68px;font-size:22px}
.vcat-list{display:grid;grid-template-rows:repeat(3,1fr);gap:12px;min-width:0}
.vcat-item{display:grid;grid-template-columns:minmax(0,44%) minmax(0,1fr);gap:14px;align-items:center;min-width:0;background:var(--card);border-radius:14px;padding:8px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.vcat-item:hover{transform:translateY(-2px);box-shadow:0 14px 30px -14px rgba(3,39,99,.35)}
.vcat-item .video{aspect-ratio:16/9;width:100%;border-radius:10px;box-shadow:none}
.vcat-item .play{width:36px;height:36px;font-size:13px}
.vcat-meta{min-width:0;padding-right:6px}
.vcat-meta b{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;font:700 14px/1.38 var(--display);color:var(--ink)}
.vcat-meta small{display:block;margin-top:5px;color:var(--muted);font-size:12px}
.vcat-more{text-align:center;margin:20px 0 8px}
/* shorts: big vertical + 2x2 */
.scat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:repeat(2,auto);gap:14px;max-width:880px}
.scat-big{grid-column:span 2;grid-row:span 2}
.scat-big .vt{font-size:17px;padding:60px 16px 16px}
.scat-big .play{width:64px;height:64px;font-size:21px}
.scat-grid .short:not(.scat-big) .vt{font-size:12px;-webkit-line-clamp:2}
.scat-grid .short:not(.scat-big) .play{width:38px;height:38px;font-size:13px}
/* page hero */
.mhero{position:relative;overflow:hidden;color:#fff;padding:34px 0 56px;background:radial-gradient(900px 420px at 85% -10%,rgba(63,184,238,.35),transparent 60%),radial-gradient(700px 400px at -10% 110%,rgba(255,0,51,.18),transparent 60%),linear-gradient(135deg,var(--navy),#0b2f78 55%,#0d3f9e)}
.mhero-in{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:44px;align-items:center}
.mhero h1{font:800 clamp(30px,4.6vw,52px)/1.08 var(--display);letter-spacing:-.025em;margin:0 0 14px}
.mhero-lead{color:#c9dbf7;font-size:17px;max-width:520px;margin:0 0 22px}
.crumbs-light,.crumbs-light a{color:#9fbbe6;margin-bottom:14px}
.mhero-stats{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 24px}
.mhero-stats span{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:8px 14px;font-size:13px;color:#d6e6ff}
.mhero-stats b{display:block;font:800 22px/1.1 var(--display);color:#fff}
.mhero-cta{display:flex;flex-wrap:wrap;gap:12px}
.mhero-feature{width:100%;aspect-ratio:16/10;border-radius:20px;box-shadow:0 30px 60px -20px rgba(0,0,0,.6),0 0 0 6px rgba(255,255,255,.06)}
.mhero-feature.is-short{aspect-ratio:9/16;max-width:300px;justify-self:center}
.mhero-feature .vt{font-size:17px;padding:60px 18px 16px}
.mhero-feature .play{width:70px;height:70px;font-size:22px}
/* topic cards */
.topic-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px;margin:-30px 0 34px;position:relative;z-index:2}
.topic-card{display:flex;flex-direction:column;gap:2px;background:var(--card);border-radius:16px;padding:16px;text-decoration:none;box-shadow:0 12px 30px -16px rgba(3,39,99,.4);border:1px solid var(--line);transition:transform .2s,border-color .2s}
.topic-card:hover{transform:translateY(-3px);border-color:var(--cyan)}
.tc-ic{font-size:26px;line-height:1;margin-bottom:8px}
.topic-card b{font:700 15px/1.3 var(--display);color:var(--ink)}
.topic-card small{color:var(--muted);font-size:12px}
.mband{padding:34px 0 6px}
.mband-alt{background:linear-gradient(180deg,#eaf2fc,#f4f8fd)}
@media (max-width:860px){
  .mhero-in{grid-template-columns:minmax(0,1fr);gap:28px}
  .mhero-feature.is-short{max-width:240px}
}
@media (max-width:760px){
  .vcat-grid{grid-template-columns:minmax(0,1fr)}
  .vcat-big{aspect-ratio:16/9}
  .vcat-big .vt{font-size:15px}
  .vcat-count{display:none}
  .scat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scat-big{grid-column:span 2;grid-row:auto;aspect-ratio:9/12}
  .topic-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .topic-card{padding:12px}
  .mhero-lead{font-size:15px}
}