:root{--bg:#0E1118;--bg2:#151a24;--card:#1b2130;--line:#2a3244;--blue:#1EA3E3;--blue2:#0d7fb5;--red:#e5322d;--text:#e8edf5;--muted:#9aa6b8;--gold:#f2c14e;--r:14px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.65;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:min(1180px,92%);margin:0 auto}
h1,h2,h3{line-height:1.2;margin:0 0 .6em}
h1{font-size:1.9rem}
h2{font-size:1.5rem;margin-top:0}
h3{font-size:1.15rem}
p{margin:0 0 1em}
section{padding:40px 0}
.alt{background:var(--bg2)}
figure{margin:0}

/* header (mobile first: menu collapsed) */
.site-header{position:sticky;top:0;z-index:50;background:rgba(14,17,24,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:12px;min-height:62px}
.logo img{height:32px;width:auto}
.menu-btn{margin-left:auto;min-height:44px;background:var(--card);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:8px 14px;font-size:1rem;cursor:pointer}
.nav{display:none;position:absolute;top:62px;left:0;right:0;background:var(--bg);flex-direction:column;align-items:stretch;padding:10px 4% 16px;border-bottom:1px solid var(--line)}
.nav.open{display:flex}
.nav a{color:var(--text);padding:12px;border-radius:8px;font-size:1rem}
.nav a:hover,.nav a[aria-current="page"]{background:var(--card);text-decoration:none;color:var(--blue)}
.nav a.btn{margin-top:8px;text-align:center;color:#fff;background:var(--red)}
.nav a.btn:hover{color:#fff;background:#c92722}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;background:var(--red);color:#fff;font-weight:700;padding:12px 26px;border-radius:999px;border:0;cursor:pointer;font-size:1rem;transition:transform .15s,background .15s}
.btn:hover{background:#c92722;text-decoration:none;transform:translateY(-1px)}
.btn.blue{background:var(--blue);color:#06121b}
.btn.blue:hover{background:var(--blue2)}
.btn.ghost{background:transparent;border:2px solid var(--blue);color:var(--blue)}
.btns{display:flex;flex-direction:column;gap:12px;margin-top:20px}
.btns .btn{width:100%}

/* hero */
.hero{padding:36px 0 32px;background:radial-gradient(ellipse at 80% 0,rgba(30,163,227,.22),transparent 55%),var(--bg)}
.hero .wrap{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
.hero p.lead{font-size:1.05rem;color:var(--muted)}
.shot{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:0 18px 50px rgba(0,0,0,.45)}
.shot img{width:100%}
.shot figcaption{padding:10px 14px;font-size:.85rem;color:var(--muted);background:var(--card)}
.page-hero{padding:36px 0 24px;background:radial-gradient(ellipse at 85% 0,rgba(30,163,227,.2),transparent 55%),var(--bg)}
.page-hero p{color:var(--muted);max-width:780px;font-size:1.05rem}
.crumbs{font-size:.88rem;color:var(--muted);margin-bottom:12px}
.crumbs a{color:var(--muted)}
.toc{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.toc a{display:inline-block;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:.9rem;color:var(--text)}

/* grids and cards */
.grid{display:grid;gap:16px;grid-template-columns:1fr}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.card h3{color:#fff}
.card img{border-radius:10px;margin-bottom:14px;width:100%}
.card .big{font-size:1.8rem;font-weight:800;color:var(--blue);line-height:1.1;margin-bottom:6px}
.tag{display:inline-block;background:rgba(30,163,227,.15);color:var(--blue);border-radius:999px;padding:3px 12px;font-size:.8rem;font-weight:700;margin-bottom:10px}
.tag.gold{background:rgba(242,193,78,.15);color:var(--gold)}
ul.check{list-style:none;padding:0;margin:0 0 1em}
ul.check li{padding-left:28px;position:relative;margin-bottom:.5em}
ul.check li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:800}
ul.cons li:before{content:"!";color:var(--gold)}
.split{display:grid;grid-template-columns:1fr;gap:24px;align-items:center}

/* tables */
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);margin-bottom:1.2em}
table{border-collapse:collapse;width:100%;min-width:420px;font-size:.96rem}
caption{text-align:left;padding:10px 14px;color:var(--muted);font-size:.9rem}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--card);color:#fff}
tr:last-child td{border-bottom:0}

/* notes */
.note{background:rgba(242,193,78,.08);border-left:4px solid var(--gold);padding:14px 18px;border-radius:8px;font-size:.95rem;color:#e9dcb6;margin:1.2em 0}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 1em;padding:0;list-style:none}
.pills li{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:.92rem}

/* faq */
details{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px 18px;margin-bottom:12px}
summary{cursor:pointer;font-weight:700;min-height:24px}
details[open] summary{color:var(--blue);margin-bottom:10px}
details p:last-child{margin-bottom:0}

/* steps */
ol.steps{counter-reset:s;list-style:none;padding:0;margin:0 0 1em}
ol.steps li{counter-increment:s;position:relative;padding:4px 0 14px 52px}
ol.steps li:before{content:counter(s);position:absolute;left:0;top:0;width:36px;height:36px;border-radius:50%;background:var(--blue);color:#06121b;font-weight:800;display:flex;align-items:center;justify-content:center}

/* cta band */
.cta-band{background:linear-gradient(120deg,#0b3a52,#10202f);border:1px solid var(--line);border-radius:var(--r);padding:28px 20px;text-align:center}
.cta-band p{color:var(--muted);max-width:640px;margin:0 auto 1em}

/* footer */
.site-footer{background:#090c12;border-top:1px solid var(--line);padding:36px 0 28px;font-size:.92rem;color:var(--muted)}
.site-footer .cols{display:grid;grid-template-columns:1fr;gap:24px;margin-bottom:24px}
.site-footer h4{color:#fff;margin:0 0 10px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:6px}
.site-footer a{color:var(--muted)}
.site-footer .legal{border-top:1px solid var(--line);padding-top:18px;font-size:.84rem}
.age{display:inline-block;border:2px solid var(--red);color:var(--red);font-weight:800;border-radius:50%;width:38px;height:38px;line-height:34px;text-align:center;margin-right:8px;vertical-align:middle}

@media(min-width:620px){
.grid.g2,.grid.g3,.grid.g4{grid-template-columns:repeat(2,1fr)}
.btns{flex-direction:row;flex-wrap:wrap}
.btns .btn{width:auto}
}
@media(min-width:900px){
body{font-size:17px}
h1{font-size:2.8rem}
h2{font-size:2rem}
section{padding:56px 0}
.hero{padding:60px 0 48px}
.hero .wrap{grid-template-columns:1.05fr 1fr;gap:40px}
.split{grid-template-columns:1fr 1fr;gap:36px}
.split.rev>:first-child{order:2}
.grid.g3{grid-template-columns:repeat(3,1fr)}
.grid.g4{grid-template-columns:repeat(4,1fr)}
.site-footer .cols{grid-template-columns:1.4fr 1fr 1fr 1fr}
.cta-band{padding:36px}
}
@media(min-width:1000px){
.menu-btn{display:none}
.nav{display:flex;position:static;flex-direction:row;align-items:center;margin-left:auto;padding:0;border:0;background:none;gap:2px}
.nav a{padding:8px 11px;font-size:.95rem}
.nav a.btn{margin:0 0 0 8px;padding:8px 20px;min-height:44px}
}