/* EVA Technologies free resources: shared styles (same design as the October kit pages) */
:root{
  --navy-950:#040a18; --navy-900:#071229; --navy-800:#0c1c3d; --navy-700:#13295a;
  --eva-blue:#002F8A; --eva-cyan:#1EA3DC; --eva-cyan-soft:rgba(30,163,220,.14);
  --eva-orange:#F46530; --eva-orange-dark:#d9521f;
  --text:#e8eef9; --muted:#9fb0cc; --line:rgba(159,176,204,.18);
  --radius:14px; --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--navy-950);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* Top bar + nav */
.topbar{background:#fff;color:var(--navy-900);font-size:12px;font-weight:600;letter-spacing:.03em}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:34px}
.topbar a{text-decoration:none}
.topbar .contact{display:flex;align-items:center;gap:6px}
.topbar .contact svg{color:var(--eva-orange)}
nav.main{position:sticky;top:0;z-index:50;background:rgba(4,10,24,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
nav.main .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{display:flex;align-items:center;text-decoration:none}
.logo img{height:40px;width:auto}
.logo .fallback{display:none;font-weight:800;font-style:italic;font-size:30px;color:var(--eva-cyan);letter-spacing:.02em}
.logo .fallback span{color:#fff;font-style:normal;font-weight:600;font-size:14px;margin-left:8px;letter-spacing:.1em}
.weeknav{display:flex;gap:4px;list-style:none}
.weeknav a{display:block;padding:8px 14px;border-radius:8px;font-size:14px;font-weight:600;text-decoration:none;color:var(--muted);transition:.2s}
.weeknav a:hover{color:#fff;background:var(--eva-cyan-soft)}
.btn{display:inline-flex;align-items:center;gap:10px;font:inherit;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;text-decoration:none;cursor:pointer;border-radius:8px;transition:.2s;white-space:nowrap}
.btn-orange{background:var(--eva-orange);color:#fff;padding:12px 20px;border:2px solid var(--eva-orange)}
.btn-orange:hover{background:var(--eva-orange-dark);border-color:var(--eva-orange-dark)}
.btn-outline{border:2px solid var(--eva-orange);color:#fff;padding:0 18px 0 0;overflow:hidden;background:rgba(4,10,24,.4)}
.btn-outline .ico{background:var(--eva-orange);padding:11px 12px;display:flex}
.btn-outline:hover{background:var(--eva-orange)}
.btn-ghost{border:2px solid var(--eva-cyan);color:var(--eva-cyan);padding:10px 18px;background:transparent}
.btn-ghost:hover{background:var(--eva-cyan);color:var(--navy-950)}

/* Hero */
.hero{position:relative;overflow:hidden;padding:120px 0 110px;background:
  radial-gradient(1200px 500px at 85% -10%,rgba(30,163,220,.35),transparent 60%),
  radial-gradient(900px 500px at 10% 110%,rgba(0,47,138,.55),transparent 60%),
  linear-gradient(180deg,var(--navy-900),var(--navy-950))}
.hero::before{content:"";position:absolute;inset:0;background-image:
  linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(ellipse at 70% 30%,#000 10%,transparent 70%);opacity:.5}
.hero .wrap{position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--eva-cyan);background:var(--eva-cyan-soft);border:1px solid rgba(30,163,220,.35);padding:7px 14px;border-radius:999px}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--eva-orange);box-shadow:0 0 0 4px rgba(244,101,48,.25);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(244,101,48,0)}}
.hero h1{font-size:clamp(36px,6vw,64px);line-height:1.08;font-weight:800;letter-spacing:-.02em;margin:24px 0 20px;max-width:820px}
.hero h1 em{font-style:normal;color:var(--eva-cyan)}
.hero p.lead{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:640px;margin-bottom:36px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:14px}
.scroll{margin-top:70px;display:flex;align-items:center;gap:12px;font-size:12px;font-weight:700;letter-spacing:.2em;color:var(--muted);text-decoration:none}
.scroll .mouse{width:22px;height:34px;border:2px solid var(--muted);border-radius:12px;position:relative}
.scroll .mouse::after{content:"";position:absolute;left:50%;top:6px;width:3px;height:7px;margin-left:-1.5px;background:var(--eva-orange);border-radius:2px;animation:wheel 1.6s infinite}
@keyframes wheel{to{transform:translateY(10px);opacity:0}}

/* Sections */
section{padding:90px 0}
.sec-head{max-width:760px;margin-bottom:44px}
.kicker{font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--eva-orange);margin-bottom:12px}
h2{font-size:clamp(28px,4vw,42px);line-height:1.15;font-weight:800;letter-spacing:-.015em;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:17px}
.intro{background:var(--navy-900);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.intro p{color:var(--muted);font-size:17px;margin-bottom:16px}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat{background:var(--navy-800);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.stat b{display:block;font-size:36px;font-weight:800;color:var(--eva-cyan);line-height:1.1}
.stat span{font-size:14px;color:var(--muted)}

/* Cards */
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{position:relative;background:linear-gradient(180deg,var(--navy-800),var(--navy-900));border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:14px;transition:.25s}
.card:hover{border-color:rgba(30,163,220,.55);transform:translateY(-3px);box-shadow:0 18px 40px -20px rgba(30,163,220,.45)}
.card .tag{align-self:flex-start;font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--eva-cyan);background:var(--eva-cyan-soft);padding:5px 10px;border-radius:6px}
.card h3{font-size:20px;font-weight:700;line-height:1.3}
.card p{color:var(--muted);font-size:15px;flex:1}
.card .btn{align-self:flex-start;margin-top:6px}
.card .icon{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--eva-blue),var(--eva-cyan));color:#fff}
.featured{background:
  radial-gradient(600px 300px at 100% 0,rgba(244,101,48,.12),transparent 60%),var(--navy-950)}

/* Progress */
.progress{position:sticky;top:72px;z-index:40;background:rgba(7,18,41,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.progress .wrap{display:flex;align-items:center;gap:18px;height:56px;font-size:13px;font-weight:600;color:var(--muted)}
.bar{flex:1;height:6px;background:var(--navy-700);border-radius:999px;overflow:hidden}
.bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--eva-cyan),var(--eva-orange));transition:width .5s}

/* Weeks */
.week{border-top:1px solid var(--line);scroll-margin-top:130px}
.week:nth-child(even){background:var(--navy-900)}
.week-head{display:grid;grid-template-columns:auto 1fr;gap:32px;align-items:start;margin-bottom:44px}
.week-num{width:110px;height:110px;border-radius:22px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--eva-blue),var(--eva-cyan));box-shadow:0 20px 40px -18px rgba(30,163,220,.6)}
.week-num small{font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;opacity:.85}
.week-num b{font-size:48px;font-weight:800;line-height:1}
.week-head p{color:var(--muted);font-size:17px;max-width:780px}
.learn{list-style:none;display:grid;gap:8px;margin-top:4px}
.learn li{position:relative;padding-left:26px;font-size:14px;color:var(--text)}
.learn li::before{content:"";position:absolute;left:0;top:5px;width:14px;height:14px;border-radius:4px;background:var(--eva-cyan-soft);border:1.5px solid var(--eva-cyan)}
.learn-label{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--eva-orange)}
.assets{margin-top:22px}
.mini{display:flex;gap:18px;align-items:flex-start;padding:22px;border-radius:var(--radius);border:1px dashed var(--line);background:rgba(12,28,61,.5)}
.mini .thumb{flex:none;width:74px;height:96px;border-radius:8px;background:linear-gradient(160deg,var(--navy-700),var(--eva-blue));border:1px solid rgba(30,163,220,.4);display:grid;place-items:center;font-size:10px;font-weight:800;letter-spacing:.12em;color:var(--eva-cyan)}
.mini h4{font-size:16px;margin-bottom:4px}
.mini p{font-size:14px;color:var(--muted);margin-bottom:10px}
.mini a{font-size:13px;font-weight:700;color:var(--eva-cyan);text-decoration:none}
.mini a:hover{text-decoration:underline}
.week-foot{margin-top:40px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;padding:24px 28px;border-radius:var(--radius);background:linear-gradient(90deg,rgba(0,47,138,.45),rgba(30,163,220,.15));border:1px solid rgba(30,163,220,.3)}
.week-foot strong{font-size:18px}
.week-foot .actions{display:flex;flex-wrap:wrap;gap:12px}
.done-btn[aria-pressed="true"]{background:var(--eva-cyan);color:var(--navy-950);border-color:var(--eva-cyan)}
.week.complete .week-num{background:linear-gradient(135deg,#0b6b3a,#20c47a)}

/* CTA + footer */
.cta{text-align:center;background:
  radial-gradient(700px 300px at 50% 0,rgba(30,163,220,.3),transparent 70%),var(--navy-900);border-top:1px solid var(--line)}
.cta p{color:var(--muted);max-width:620px;margin:0 auto 30px;font-size:17px}
.cta .ctas{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
footer{padding:40px 0;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center}
footer a{text-decoration:none;color:var(--muted)}
footer a:hover{color:var(--eva-cyan)}
footer .links{display:flex;gap:20px;flex-wrap:wrap}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

@media (max-width:960px){
  .weeknav{display:none}
  .g3{grid-template-columns:1fr 1fr}
  .intro-grid{grid-template-columns:1fr;gap:36px}
}
@media (max-width:680px){
  .wrap{padding:0 16px}
  .g3,.g2{grid-template-columns:1fr}
  .week-head{grid-template-columns:1fr;gap:20px}
  .week-num{width:84px;height:84px}.week-num b{font-size:36px}
  nav.main .btn-orange{display:none}
  section{padding:64px 0}
  .hero{padding:80px 0}
  .topbar .hide-sm{display:none}
  .btn{white-space:normal}
}

.logo img{height:50px;width:auto}
.ph{background:#fff1c9;color:#16223D;padding:0 3px;border-radius:3px}
.mono{font-family:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;letter-spacing:.06em;text-transform:uppercase}
.btn-navy{background:var(--navy-700);color:#fff;padding:12px 20px;border:2px solid var(--navy-700)}
.btn-navy:hover{background:var(--eva-blue);border-color:var(--eva-blue)}
@media (max-width:680px){.logo img{height:40px}}

.hero h1{max-width:900px}
.eva-grid .card .icon{font-size:26px;font-weight:800;font-style:italic;width:56px;height:56px}
.rule{margin-top:18px;display:flex;gap:14px;align-items:flex-start;padding:16px 20px;border-radius:var(--radius);background:rgba(244,101,48,.08);border:1px solid rgba(244,101,48,.3);max-width:780px}
.rule .lbl{flex:none;font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--eva-orange);padding-top:3px}
.rule p{margin:0;color:var(--text)!important;font-size:17px;font-weight:600}
.week-num small{font-size:11px}
.week-head h2{margin-bottom:4px}
.week-head .theme{color:var(--eva-cyan);font-weight:600;font-size:17px;margin-bottom:12px}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.btn-row .btn{align-self:auto;margin-top:0}

/* ===================================================================== New pages: hub, AI policy, videos */
.topbar .links{display:flex;gap:18px;align-items:center}
.crumbs{font-size:13px;font-weight:600;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--eva-cyan);text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.hero.compact{padding:84px 0 76px}
.free{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#fff;background:var(--eva-orange);padding:4px 9px;border-radius:6px}
.unlock{display:flex;gap:12px;align-items:flex-start;margin-top:34px;padding:16px 20px;border-radius:var(--radius);background:rgba(30,163,220,.07);border:1px solid rgba(30,163,220,.25);font-size:14px;color:var(--muted);max-width:820px}
.unlock svg{flex:none;color:var(--eva-cyan);margin-top:2px}
.unlock b{color:var(--text)}

/* Hub: three choices */
.choices{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.choice{text-decoration:none;color:inherit}
.choice .num{font-family:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--eva-cyan)}
.choice .top{display:flex;justify-content:space-between;align-items:center}
.choice ul{list-style:none;display:grid;gap:8px;flex:1}
.choice li{position:relative;padding-left:24px;font-size:14px;color:var(--muted)}
.choice li::before{content:"";position:absolute;left:0;top:6px;width:12px;height:12px;border-radius:4px;background:var(--eva-cyan-soft);border:1.5px solid var(--eva-cyan)}
.choice .go{align-self:flex-start;margin-top:8px}
.choice:hover .go{background:var(--eva-orange-dark);border-color:var(--eva-orange-dark)}
.choice:focus-visible{outline:3px solid var(--eva-cyan);outline-offset:3px;border-radius:var(--radius)}

/* AI policy */
.doc-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:start}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.chip{font-size:12.5px;font-weight:600;color:var(--text);background:var(--navy-800);border:1px solid var(--line);padding:6px 11px;border-radius:999px}
.dl-panel{position:sticky;top:96px;background:linear-gradient(180deg,var(--navy-800),var(--navy-900));border:1px solid rgba(244,101,48,.4);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:14px;box-shadow:0 24px 50px -28px rgba(244,101,48,.5)}
.dl-panel h3{font-size:20px}
.dl-panel p{font-size:14px;color:var(--muted)}
.dl-panel .btn{justify-content:center;width:100%}
.dl-panel .meta{font-size:12.5px;color:var(--muted);display:grid;gap:4px;border-top:1px solid var(--line);padding-top:14px}
.dl-panel .meta b{color:var(--text);font-weight:600}
.toc{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.toc li{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border-radius:12px;background:rgba(12,28,61,.5);border:1px solid var(--line)}
.toc .n{flex:none;width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-weight:800;font-size:14px;background:linear-gradient(135deg,var(--eva-blue),var(--eva-cyan))}
.toc h4{font-size:15px;margin-bottom:2px}
.toc p{font-size:13.5px;color:var(--muted)}
.steps{counter-reset:s;list-style:none;display:grid;gap:14px}
.steps li{counter-increment:s;position:relative;padding:18px 20px 18px 64px;border-radius:12px;background:var(--navy-800);border:1px solid var(--line);color:var(--muted);font-size:15px}
.steps li::before{content:counter(s);position:absolute;left:18px;top:16px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;background:var(--eva-orange)}
.steps b{color:var(--text)}

/* Videos */
.vgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.vcard{position:relative;display:flex;flex-direction:column;background:linear-gradient(180deg,var(--navy-800),var(--navy-900));border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.vcard:hover{border-color:rgba(30,163,220,.55);transform:translateY(-3px);box-shadow:0 18px 40px -20px rgba(30,163,220,.45)}
.vthumb{position:relative;display:block;width:100%;aspect-ratio:9/16;max-height:380px;background:linear-gradient(160deg,var(--navy-700),var(--eva-blue));border:0;padding:0;cursor:pointer;overflow:hidden;font:inherit;color:inherit}
.vthumb.wide{aspect-ratio:16/9}
.vthumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.vcard:hover .vthumb img{transform:scale(1.04)}
.vthumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(4,10,24,.85))}
.vplay{position:absolute;left:50%;top:50%;z-index:1;width:64px;height:64px;margin:-32px 0 0 -32px;border-radius:50%;display:grid;place-items:center;background:rgba(244,101,48,.92);box-shadow:0 10px 30px -8px rgba(244,101,48,.8);transition:.2s}
.vthumb:hover .vplay,.vthumb:focus-visible .vplay{transform:scale(1.1);background:var(--eva-orange)}
.vthumb:focus-visible{outline:3px solid var(--eva-cyan);outline-offset:-3px}
.vbadge{position:absolute;z-index:1;top:12px;left:12px;font-family:"IBM Plex Mono",ui-monospace,Menlo,monospace;font-size:11px;font-weight:600;letter-spacing:.1em;color:#fff;background:rgba(4,10,24,.75);border:1px solid rgba(30,163,220,.5);padding:4px 8px;border-radius:6px}
.vdur{position:absolute;z-index:1;bottom:12px;right:12px;font-size:12px;font-weight:700;color:#fff;background:rgba(4,10,24,.75);padding:3px 8px;border-radius:6px}
.vbody{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.vbody h3{font-size:16.5px;line-height:1.3}
.vbody p{font-size:13.5px;color:var(--muted);flex:1;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden}
.vlinks{display:flex;gap:14px;align-items:center;margin-top:4px;font-size:13px;font-weight:700}
.vlinks button,.vlinks a{font:inherit;background:none;border:0;padding:0;cursor:pointer;color:var(--eva-cyan);text-decoration:none}
.vlinks a{color:var(--muted);font-weight:600}
.vlinks button:hover,.vlinks a:hover{text-decoration:underline}
.vstatus{color:var(--muted);font-size:14px;padding:30px 0}
.vskel{border-radius:var(--radius);aspect-ratio:9/19;background:linear-gradient(90deg,var(--navy-800),var(--navy-700),var(--navy-800));background-size:200% 100%;animation:sk 1.4s infinite}
@keyframes sk{to{background-position:-200% 0}}
.topics{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.vnote{margin-top:20px;font-size:12.5px;color:var(--muted)}

/* Video player dialog */
dialog.player{border:0;padding:0;background:transparent;color:var(--text);max-width:none;max-height:none;margin:auto;overflow:visible}
dialog.player::backdrop{background:rgba(2,6,16,.86);backdrop-filter:blur(4px)}
.pbox{position:relative;width:min(92vw,calc(78vh * 9 / 16));background:#000;border-radius:14px;overflow:hidden;box-shadow:0 30px 80px -20px rgba(0,0,0,.8)}
.pbox.wide{width:min(92vw,calc(78vh * 16 / 9),1100px)}
.pframe{position:relative;width:100%;aspect-ratio:9/16}
.pbox.wide .pframe{aspect-ratio:16/9}
.pframe iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.pbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;background:var(--navy-900);font-size:13px}
.pbar b{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pbar a{color:var(--eva-cyan);font-weight:700;text-decoration:none;white-space:nowrap}
.pbar span{display:flex;gap:16px;align-items:center;flex:none}
.pclose{font:inherit;font-size:13px;font-weight:700;color:#fff;background:var(--eva-orange);border:0;border-radius:6px;padding:6px 12px;cursor:pointer}
.pclose:hover{background:var(--eva-orange-dark)}
.pclose:focus-visible{outline:3px solid var(--eva-cyan);outline-offset:2px}
.hero.hub{padding:64px 0 40px}
.hero.hub + main .featured{padding-top:48px}

@media (max-width:1100px){.vgrid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:960px){.choices{grid-template-columns:1fr}.doc-grid{grid-template-columns:1fr;gap:32px}.dl-panel{position:static}.vgrid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:680px){.toc{grid-template-columns:1fr}.hero.compact{padding:60px 0}.vgrid{gap:14px}.vbody{padding:14px}.vbody p{-webkit-line-clamp:4}}
@media (max-width:420px){.vgrid{grid-template-columns:1fr 1fr;gap:12px}.vplay{width:48px;height:48px;margin:-24px 0 0 -24px}}

.weeknav a[aria-current="page"]{color:#fff;background:var(--eva-cyan-soft)}