/* DeepTechBytes redesigned homepage. Scoped to .dtb-home; theme header/footer untouched. */
.dtb-home{--navy:#0a3f65;--purple:#8224e3;--orange:#ff5e14;--ink:#0d1317;--muted:#5b6770;--bg:#f4f7fb;--card:#fff;--line:#e4e9f0;--r:18px;--shadow:0 1px 2px rgba(13,19,23,.05),0 8px 24px rgba(13,19,23,.07);--shadow-h:0 2px 4px rgba(13,19,23,.06),0 16px 36px rgba(13,19,23,.14);color:var(--ink);font-family:var(--dtb-font);line-height:1.55;-webkit-font-smoothing:antialiased}
[data-theme=dark] .dtb-home{--ink:#eef2f7;--muted:#a9b4c0;--bg:#111821;--card:#18212c;--line:#263140;--shadow:0 8px 24px rgba(0,0,0,.35);--shadow-h:0 16px 36px rgba(0,0,0,.5)}
.dtb-home *,.dtb-home *::before,.dtb-home *::after{box-sizing:border-box}
.dtb-home a{text-decoration:none;color:inherit}
.dtb-home :is(h1,h2,h3,p,ul,ol){margin:0;padding:0}
.dtb-home :is(ul,ol){list-style:none}
:where(.dtb-home) img{display:block;max-width:100%}
.dtb-home a:focus-visible,.dtb-home .dtb-btn:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:8px}
.dtb-section{padding-top:56px;padding-bottom:8px}
.dtb-home .dtb-eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.78);margin-bottom:14px}
.dtb-eyebrow-dark{color:var(--accent,#c2410c)}
.dtb-h2{font-size:30px;line-height:1.2;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.dtb-home .dtb-sub{color:var(--muted);margin-top:8px;font-size:16px}
.dtb-sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:24px}
.dtb-sec-head-center{display:block;text-align:center;margin-bottom:32px}
.dtb-home .dtb-more{font-weight:700;font-size:14px;color:var(--purple);white-space:nowrap}
.dtb-home .dtb-more:hover{text-decoration:underline}

/* buttons */
.dtb-btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;border-radius:999px;font-weight:700;font-size:15px;line-height:1;border:2px solid transparent;transition:transform .2s,box-shadow .2s,background .2s,color .2s;cursor:pointer}
.dtb-btn-primary{background:var(--accent,#c2410c);color:#fff!important;box-shadow:0 8px 20px rgba(194,65,12,.35)}
.dtb-btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(194,65,12,.45)}
.dtb-btn-ghost{border-color:rgba(255,255,255,.55);color:#fff!important}
.dtb-btn-ghost:hover{background:rgba(255,255,255,.14)}
.dtb-btn-light{background:rgba(255,255,255,.14);color:#fff!important;border-color:rgba(255,255,255,.35);padding:11px 18px;font-size:14px}
.dtb-btn-light:hover{background:#fff;color:var(--navy)!important}

/* hero */
.dtb-hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(900px 420px at 85% -10%,rgba(255,94,20,.35),transparent 60%),radial-gradient(700px 400px at -5% 110%,rgba(130,36,227,.55),transparent 60%),linear-gradient(120deg,#0a3f65 0%,#2a2f9e 55%,#8224e3 100%)}
.dtb-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1.4px);background-size:26px 26px;mask-image:linear-gradient(180deg,#000 0,transparent 85%);-webkit-mask-image:linear-gradient(180deg,#000 0,transparent 85%);pointer-events:none}
.dtb-hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-top:64px;padding-bottom:72px}
.dtb-h1{font-size:50px;line-height:1.08;font-weight:800;letter-spacing:-.025em;color:#fff}
.dtb-h1 span{background:linear-gradient(90deg,#ffb48a,#ff5e14);-webkit-background-clip:text;background-clip:text;color:transparent}
.dtb-home .dtb-lead{font-size:18px;color:rgba(255,255,255,.88);max-width:560px;margin-top:18px}
.dtb-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.dtb-home .dtb-stats{display:flex;gap:34px;margin-top:38px;padding-top:22px;border-top:1px solid rgba(255,255,255,.2)}
.dtb-stats li{display:flex;flex-direction:column}
.dtb-stats strong{font-size:28px;font-weight:800;line-height:1}
.dtb-home .dtb-stats span{font-size:13px;color:rgba(255,255,255,.75);margin-top:4px}
.dtb-hero-card{position:relative;border-radius:24px;overflow:hidden;background:#0b1320;box-shadow:0 30px 60px rgba(4,12,30,.45);transform:rotate(1.2deg);transition:transform .35s}
.dtb-hero-card:hover{transform:rotate(0) translateY(-4px)}
.dtb-hero-card-media{display:block;aspect-ratio:16/11;overflow:hidden}
.dtb-hero-card-media .dtb-img,.dtb-hero-card-media .dtb-ph{width:100%;height:100%;object-fit:cover}
.dtb-hero-card-body{position:absolute;left:0;right:0;bottom:0;padding:56px 24px 22px;background:linear-gradient(180deg,transparent,rgba(5,10,20,.92))}
.dtb-badge{display:inline-block;background:var(--accent,#c2410c);color:#fff;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;padding:5px 10px;border-radius:6px;margin-bottom:10px}
.dtb-hero-card-title{font-size:23px;line-height:1.25;font-weight:800;color:#fff}
.dtb-home .dtb-hero-card-title a{color:#fff}
.dtb-hero-card-title a::after{content:"";position:absolute;inset:0}
.dtb-home .dtb-hero-card-title a:hover{text-decoration:underline}

/* chips */
.dtb-chips{display:flex;gap:10px;padding-top:26px;padding-bottom:4px;overflow-x:auto;scrollbar-width:none}
.dtb-chips::-webkit-scrollbar{display:none}
.dtb-home .dtb-chip{flex:0 0 auto;padding:9px 16px;border-radius:999px;background:var(--card);border:1px solid var(--line);font-weight:600;font-size:14px;color:var(--ink);box-shadow:0 1px 2px rgba(13,19,23,.04);transition:all .2s}
.dtb-chip em{font-style:normal;color:var(--muted);font-weight:600;margin-left:4px;font-size:12px}
.dtb-home .dtb-chip:hover{background:var(--navy);border-color:var(--navy);color:#fff}
.dtb-home .dtb-chip:hover em{color:rgba(255,255,255,.75)}

/* pills + meta */
.dtb-pill{display:inline-block;background:var(--accent,#c2410c);color:#fff;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:4px 9px;border-radius:6px}
.dtb-meta{display:flex;gap:8px;align-items:center;font-size:12.5px;color:var(--muted)}
.dtb-meta-light{color:rgba(255,255,255,.8)}

/* mosaic */
.dtb-mosaic{display:grid;grid-template-columns:1.4fr 1fr 1fr;grid-template-rows:230px 230px;gap:16px}
.dtb-tile{position:relative;border-radius:var(--r);overflow:hidden;background:#0b1320;box-shadow:var(--shadow);transition:box-shadow .3s,transform .3s}
.dtb-tile:hover{box-shadow:var(--shadow-h);transform:translateY(-3px)}
.dtb-tile-lg{grid-row:1 / span 2}
.dtb-tile-link{position:absolute;inset:0;display:block}
.dtb-tile .dtb-img,.dtb-tile .dtb-ph{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s}
.dtb-tile:hover .dtb-img{transform:scale(1.05)}
.dtb-tile-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,10,20,.28) 0%,rgba(5,10,20,.5) 45%,rgba(5,10,20,.9) 100%)}
.dtb-tile-text{position:absolute;left:0;right:0;bottom:0;padding:18px;display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.dtb-tile-title{font-size:16px;line-height:1.3;font-weight:700;color:#fff}
.dtb-tile-lg .dtb-tile-title{font-size:26px;line-height:1.2;font-weight:800}
.dtb-tile-lg .dtb-tile-text{padding:26px}

/* cards */
.dtb-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dtb-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.dtb-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h)}
.dtb-card-media{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg)}
.dtb-card-media .dtb-img,.dtb-card-media .dtb-ph{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.dtb-card:hover .dtb-card-media .dtb-img{transform:scale(1.05)}
.dtb-card-body{display:flex;flex-direction:column;gap:10px;padding:18px 20px 20px;align-items:flex-start;flex:1}
.dtb-card-title{font-size:19px;line-height:1.3;font-weight:800;color:var(--ink)}
.dtb-home .dtb-card-title a:hover{color:var(--purple)}
.dtb-card-excerpt{color:var(--muted);font-size:14.5px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.dtb-home .dtb-card .dtb-meta{margin-top:auto}
.dtb-ph{display:block;width:100%;height:100%;min-height:120px;background:linear-gradient(135deg,var(--navy),var(--purple))}

/* learn */
.dtb-learn{margin-top:64px;padding:64px 0 68px;background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.dtb-guides{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:g}
.dtb-guide{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;overflow:hidden}
.dtb-guide:hover{transform:translateY(-4px);box-shadow:var(--shadow-h)}
.dtb-guide-link{display:flex;flex-direction:column;position:relative;height:100%}
.dtb-guide-media{display:block;aspect-ratio:16/8;overflow:hidden}
.dtb-guide-media .dtb-img,.dtb-guide-media .dtb-ph{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.dtb-guide:hover .dtb-guide-media .dtb-img{transform:scale(1.05)}
.dtb-guide-num{position:absolute;top:12px;left:12px;z-index:2;background:rgba(10,63,101,.92);color:#fff;font-weight:800;font-size:13px;letter-spacing:.08em;padding:6px 10px;border-radius:8px}
.dtb-guide-text{display:flex;flex-direction:column;gap:6px;padding:16px 18px 18px}
.dtb-guide-text strong{font-size:17px;line-height:1.3;font-weight:800;color:var(--ink)}
.dtb-guide-text em{font-style:normal;font-size:12.5px;color:var(--accent,#c2410c);font-weight:700}
.dtb-home .dtb-learn-cta{text-align:center;margin-top:34px}

/* spotlights */
.dtb-spots{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.dtb-spot{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr 1fr;gap:6px 22px}
.dtb-spot-head{grid-column:1 / -1;display:flex;justify-content:space-between;align-items:baseline;border-bottom:3px solid var(--orange);padding-bottom:10px;margin-bottom:12px}
.dtb-spot-head h3{font-size:20px;font-weight:800}
.dtb-home .dtb-spot-head a{font-size:13px;font-weight:700;color:var(--purple)}
.dtb-spot-first{display:flex;flex-direction:column;gap:10px}
.dtb-spot-media{display:block;aspect-ratio:16/10;border-radius:12px;overflow:hidden}
.dtb-spot-media .dtb-img,.dtb-spot-media .dtb-ph{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.dtb-spot-first:hover .dtb-img{transform:scale(1.05)}
.dtb-spot-first strong{font-size:16px;line-height:1.35;font-weight:800}
.dtb-home .dtb-spot-first:hover strong{color:var(--purple)}
.dtb-spot-list{display:flex;flex-direction:column}
.dtb-spot-list li{padding:11px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:4px}
.dtb-spot-list li:first-child{padding-top:0}
.dtb-spot-list li:last-child{border-bottom:0}
.dtb-home .dtb-spot-list a{font-weight:700;font-size:14.5px;line-height:1.4}
.dtb-home .dtb-spot-list a:hover{color:var(--purple)}
.dtb-spot-list time{font-size:12px;color:var(--muted)}

/* promos */
.dtb-duo{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding-top:56px}
.dtb-promo{border-radius:24px;padding:36px;color:#fff;position:relative;overflow:hidden}
.dtb-promo::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.1)}
.dtb-promo p{color:rgba(255,255,255,.9);max-width:460px}
.dtb-promo-pod{background:linear-gradient(135deg,#0a3f65,#8224e3)}
.dtb-promo-feature{background:linear-gradient(135deg,#ff5e14,#c2185b)}
.dtb-home .dtb-promo-h{font-size:30px;font-weight:800;color:#fff;margin:4px 0 10px;line-height:1.15}
.dtb-promo-btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;position:relative;z-index:1}

/* contribute */
.dtb-contribute{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:56px;margin-bottom:64px;padding:30px 36px;background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);max-width:1200px}
.dtb-contribute h2{font-size:24px;font-weight:800}
.dtb-home .dtb-contribute p{color:var(--muted);margin-top:6px}

/* reveal */
.dtb-js .dtb-reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.dtb-js .dtb-reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.dtb-home *{transition:none!important;animation:none!important}.dtb-js .dtb-reveal{opacity:1;transform:none}.dtb-hero-card{transform:none}}

/* responsive */
@media (max-width:1100px){
  .dtb-h1{font-size:42px}
  .dtb-hero-grid{gap:32px}
  .dtb-grid3,.dtb-guides{grid-template-columns:repeat(2,1fr)}
  .dtb-mosaic{grid-template-columns:1fr 1fr;grid-template-rows:300px 200px 200px}
  .dtb-tile-lg{grid-column:1 / -1;grid-row:auto}
}
@media (max-width:820px){
  .dtb-hero-grid{grid-template-columns:1fr;padding-top:44px;padding-bottom:48px}
  .dtb-h1{font-size:36px}
  .dtb-hero-card{transform:none}
  .dtb-spots,.dtb-duo{grid-template-columns:1fr}
  .dtb-spot{grid-template-columns:1fr}
  .dtb-contribute{flex-direction:column;align-items:flex-start;margin-left:20px;margin-right:20px}
}
@media (max-width:600px){
  .dtb-section{padding-top:40px}
  .dtb-h2{font-size:25px}
  .dtb-h1{font-size:31px}
  .dtb-lead{font-size:16px}
  .dtb-stats{gap:22px}
  .dtb-grid3,.dtb-guides{grid-template-columns:1fr}
  .dtb-mosaic{grid-template-columns:1fr;grid-template-rows:none}
  .dtb-tile{height:220px}
  .dtb-tile-lg{height:300px}
  .dtb-promo{padding:26px}
  .dtb-promo-h{font-size:25px}
  .dtb-contribute{padding:24px}
}

.dtb-home .dtb-card-title a,.dtb-home .dtb-guide-text strong,.dtb-home .dtb-spot-first strong{color:var(--ink)}
.dtb-home .dtb-tile-title,.dtb-home .dtb-hero-card-title a{color:#fff}
.dtb-home .dtb-more,.dtb-home .dtb-spot-head a{color:var(--purple)}
.dtb-home .dtb-btn-primary,.dtb-home .dtb-btn-ghost,.dtb-home .dtb-btn-light{color:#fff}

/* --- detailed homepage sections --- */
.dtb-sub-inline{color:var(--muted);font-size:14.5px}
.dtb-toplist{display:grid;grid-template-columns:1fr 1fr;gap:14px 28px;counter-reset:r}
.dtb-toprow a{display:grid;grid-template-columns:54px 1fr 92px;align-items:center;gap:16px;padding:14px 16px;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.dtb-toprow a:hover{transform:translateY(-3px);box-shadow:var(--shadow-h)}
.dtb-topnum{font-size:34px;font-weight:800;letter-spacing:-.04em;line-height:1;background:linear-gradient(135deg,var(--navy),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent;text-align:center}
.dtb-toptext{display:flex;flex-direction:column;gap:6px;align-items:flex-start;min-width:0}
.dtb-toptext strong{font-size:16px;line-height:1.35;font-weight:800;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.dtb-toptext em{font-style:normal;font-size:12.5px;color:var(--muted)}
.dtb-topthumb{display:block;width:92px;height:68px;border-radius:12px;overflow:hidden}
.dtb-topthumb .dtb-img,.dtb-topthumb .dtb-ph{width:100%;height:100%;object-fit:cover}
.dtb-explist{display:grid;grid-template-columns:1fr 1fr;gap:14px 28px}
.dtb-explist a{display:flex;gap:16px;align-items:flex-start;padding:18px 20px;background:var(--card);border:1px solid var(--line);border-radius:16px;transition:all .25s}
.dtb-explist a:hover{border-color:var(--purple);transform:translateX(4px)}
.dtb-expq{flex:0 0 38px;height:38px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--navy),var(--purple));color:#fff;font-weight:800}
.dtb-explist strong{display:block;font-size:16px;line-height:1.4;color:var(--ink)}
.dtb-explist em{display:block;font-style:normal;font-size:12.5px;color:var(--muted);margin-top:4px}
.dtb-topics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.dtb-topics a{display:flex;flex-direction:column;gap:6px;height:100%;padding:20px;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);transition:all .25s;position:relative;overflow:hidden}
.dtb-topics a::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--orange),var(--purple))}
.dtb-topics a:hover{transform:translateY(-4px);box-shadow:var(--shadow-h)}
.dtb-topics strong{font-size:17px;font-weight:800;color:var(--ink)}
.dtb-topic-count{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent,#c2410c)}
.dtb-topics em{font-style:normal;font-size:13.5px;color:var(--muted);line-height:1.5}
.dtb-whyband{margin-top:64px;padding:64px 0;background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.dtb-why{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.dtb-why li{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow)}
.dtb-why-ico{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--navy),var(--purple));color:#fff;font-weight:800;margin-bottom:16px}
.dtb-why h3{font-size:18px;font-weight:800;margin-bottom:8px}
.dtb-why p{color:var(--muted);font-size:14.5px;line-height:1.65}
.dtb-writers{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.dtb-writers li{display:flex;gap:14px;align-items:flex-start;padding:18px;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
.dtb-writers strong{display:block;font-size:15.5px}
.dtb-writers em{display:block;font-style:normal;font-size:12.5px;color:var(--muted);margin:2px 0 8px}
.dtb-writers a{font-size:13px;line-height:1.4;color:var(--link,#6a1fc2);font-weight:600}
.dtb-writers a:hover{text-decoration:underline}
.dtb-faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.dtb-faq details{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:0;box-shadow:var(--shadow)}
.dtb-faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;font-size:16.5px;display:flex;justify-content:space-between;gap:16px;align-items:center}
.dtb-faq summary::-webkit-details-marker{display:none}
.dtb-faq summary::after{content:"+";font-size:24px;line-height:1;color:var(--purple);font-weight:400;transition:transform .2s}
.dtb-faq details[open] summary::after{transform:rotate(45deg)}
.dtb-faq details p{padding:0 22px 20px;color:var(--muted);line-height:1.7}
@media (max-width:1100px){.dtb-topics,.dtb-writers{grid-template-columns:repeat(2,1fr)}.dtb-why{grid-template-columns:1fr 1fr}.dtb-toplist,.dtb-explist{grid-template-columns:1fr}}
@media (max-width:600px){.dtb-topics,.dtb-writers,.dtb-why{grid-template-columns:1fr}.dtb-toprow a{grid-template-columns:40px 1fr 72px;gap:12px}.dtb-topthumb{width:72px;height:56px}.dtb-topnum{font-size:26px}}