:root,[data-theme="light"]{--bg:#fff;--surface:#f8f9fc;--surface2:#eef1f8;--fg:#111827;--muted:#4b5563;--border:#e5e7eb;--accent:#2d7ff9;--accent-d:#1a6be6;--accent-t:#1a5fd0;--accent-g:rgba(45,127,249,.08);--err:#c62828;--ok:#1b7f3b;--header:rgba(255,255,255,.9)}
[data-theme="dark"]{--bg:#020817;--surface:#070f1e;--surface2:#0c1a30;--fg:#f0f4ff;--muted:rgba(240,244,255,.68);--border:rgba(255,255,255,.1);--accent:#2d7ff9;--accent-d:#1a6be6;--accent-t:#5ba0ff;--accent-g:rgba(45,127,249,.14);--err:#ff8a80;--ok:#6fdc8c;--header:rgba(2,8,23,.88)}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font-family:'Plus Jakarta Sans',-apple-system,'Segoe UI',sans-serif;background:var(--bg);color:var(--fg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent-t)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
.eyebrow{display:block;font-size:11px;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:var(--accent-t);margin-bottom:10px}
h2{font-size:clamp(24px,4vw,36px);font-weight:800;letter-spacing:-.02em;line-height:1.2;margin-bottom:12px}
h3{font-size:16px;font-weight:700;line-height:1.35}
section{padding:72px 0}
.alt{background:var(--surface);border-block:1px solid var(--border)}
.sec-head{max-width:640px;margin-bottom:36px}

header{position:fixed;inset:0 0 auto;z-index:50;background:var(--header);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--border)}
.nav{max-width:1100px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.logo{font-weight:800;font-size:18px;letter-spacing:.03em;color:var(--fg);text-decoration:none}
.logo span{color:var(--accent-t)}
.nav-r{display:flex;align-items:center;gap:8px}
.lang{font-size:13px;font-weight:700;color:var(--muted);text-decoration:none;padding:8px 10px;border-radius:8px}
.lang:hover{color:var(--accent-t)}
.icon-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--border);background:transparent;cursor:pointer;display:grid;place-items:center;color:var(--fg)}
.icon-btn:hover{background:var(--surface2)}
.icon-btn svg{width:16px;height:16px;fill:currentColor}
[data-theme="dark"] .i-moon,[data-theme="light"] .i-sun{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:#fff;padding:11px 22px;border-radius:100px;font:inherit;font-weight:700;font-size:14px;border:0;cursor:pointer;text-decoration:none;transition:background .2s,box-shadow .2s}
.btn:hover{background:var(--accent-d);box-shadow:0 4px 20px rgba(45,127,249,.4)}
.btn[disabled]{opacity:.6;cursor:progress}
.btn-sm{padding:9px 16px;font-size:13px}

.hero{padding:150px 0 72px;text-align:center;background:radial-gradient(ellipse 60% 60% at 50% 0%,var(--accent-g),transparent 70%)}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:100px;background:var(--accent-g);border:1px solid rgba(45,127,249,.25);font-size:11px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--accent-t);margin-bottom:22px}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}
h1{font-size:clamp(34px,6vw,60px);font-weight:800;letter-spacing:-.03em;line-height:1.08;max-width:820px;margin:0 auto 20px}
.lead{font-size:clamp(16px,2vw,19px);color:var(--muted);max-width:720px;margin:0 auto 30px}
.tldr{max-width:820px;margin:48px auto 0;text-align:left;background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:24px 28px}
.tldr h2{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-t);margin-bottom:14px}
.tldr dl{display:grid;gap:14px}
.tldr dt{font-weight:700;font-size:15px}
.tldr dd{color:var(--muted);font-size:15px}

.grid{display:grid;gap:16px;grid-template-columns:repeat(4,1fr)}
.card{background:var(--bg);border:1px solid var(--border);border-radius:16px;padding:22px}
.alt .card{background:var(--bg)}
.card p{color:var(--muted);font-size:14px;margin-top:8px}
.num{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--accent-g);border:1px solid rgba(45,127,249,.25);color:var(--accent-t);font-weight:800;font-size:14px;margin-bottom:14px}
.steps{grid-template-columns:repeat(3,1fr)}

.form-wrap{max-width:720px;margin:0 auto}
form{display:grid;gap:18px;grid-template-columns:1fr 1fr;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:28px}
.full{grid-column:1/-1}
label{display:block;font-size:13px;font-weight:700;margin-bottom:6px}
input,select,textarea{width:100%;font:inherit;font-size:16px;color:var(--fg);background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:12px 14px;transition:border-color .2s,box-shadow .2s}
textarea{min-height:120px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-g)}
[aria-invalid="true"]{border-color:var(--err)!important}
.check{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--muted)}
.check input{width:20px;height:20px;margin-top:2px;flex-shrink:0;accent-color:var(--accent)}
.check label{font-weight:500;margin:0;font-size:14px}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
#status{min-height:1.5em;font-size:14px;font-weight:600}
#status.err{color:var(--err)}
.success{display:none;text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:48px 28px}
.success h3{font-size:24px;color:var(--ok);margin-bottom:8px}
.success p{color:var(--muted)}

.faq{max-width:760px;margin:0 auto}
details{border-bottom:1px solid var(--border)}
details:first-of-type{border-top:1px solid var(--border)}
summary{cursor:pointer;list-style:none;padding:18px 4px;font-weight:600;font-size:16px;display:flex;justify-content:space-between;gap:16px;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"";width:9px;height:9px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform .25s;flex-shrink:0;margin-right:4px}
details[open] summary::after{transform:rotate(225deg)}
details p{color:var(--muted);padding:0 4px 18px;font-size:15px}

footer{border-top:1px solid var(--border);padding:40px 24px;text-align:center;font-size:13px;color:var(--muted);display:grid;gap:14px;justify-items:center}
footer nav{display:flex;gap:18px;flex-wrap:wrap;justify-content:center}
footer a{color:var(--muted);text-decoration:none}
footer a:hover{color:var(--accent-t)}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted);text-decoration:none}

@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:1fr}}
@media(max-width:640px){section{padding:52px 0}.wrap{padding:0 16px}.nav{padding:10px 16px}.hero{padding:120px 0 52px}.grid{grid-template-columns:1fr}form{grid-template-columns:1fr;padding:20px}.nav-app{display:none}.tldr{padding:20px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* ── added for feature pages ── */
.nav-links{display:flex;gap:4px;margin-left:8px}
.nav-links a{font-size:13px;font-weight:700;color:var(--muted);text-decoration:none;padding:8px 10px;border-radius:8px}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--accent-t)}
a.card{display:block;text-decoration:none;color:inherit;transition:transform .2s,border-color .2s,box-shadow .2s}
a.card:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:0 10px 28px rgba(45,127,249,.12)}
a.card h3{color:var(--fg)}
.quick{max-width:820px;margin:40px auto 0;text-align:left;background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:14px;padding:20px 24px}
.quick strong{display:block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-t);margin-bottom:6px}
.quick p{color:var(--fg);font-size:16px}
.hero-cta{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.btn-ghost{background:transparent;color:var(--fg);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--surface2);box-shadow:none}
.group-h{font-size:14px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-t);font-weight:800;margin:40px 0 16px}
.group-h:first-of-type{margin-top:0}
.grid3{grid-template-columns:repeat(3,1fr)}
.cta-band{text-align:center;padding:64px 0}
.cta-band p{color:var(--muted);max-width:560px;margin:0 auto 24px}
.tag{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-t);margin-bottom:8px}
@media(max-width:900px){.grid3{grid-template-columns:repeat(2,1fr)}.nav-links{display:none}}
@media(max-width:640px){.grid3{grid-template-columns:1fr}}
.grid1{grid-template-columns:1fr;max-width:560px}
.grid2{grid-template-columns:repeat(2,1fr)}
@media(max-width:640px){.grid2{grid-template-columns:1fr}}