:root{
  --bg:#f6f8fb;--surface:#fff;--surface-2:#eef3f8;--text:#102033;--muted:#607086;
  --blue:#123b67;--teal:#19a7a0;--line:#dbe4ee;--shadow:0 18px 50px rgba(17,43,70,.10);
  --radius:22px;--max:1180px;
}
[data-theme="dark"]{
  --bg:#09131f;--surface:#101f2f;--surface-2:#15283a;--text:#eef6ff;--muted:#a9bbce;
  --blue:#7eb7ef;--teal:#4bd2ca;--line:#243a4f;--shadow:0 18px 50px rgba(0,0,0,.28)
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}
a{color:inherit;text-decoration:none} img{max-width:100%;display:block}.container{width:min(calc(100% - 32px),var(--max));margin:auto}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;background:var(--surface);padding:10px 14px;z-index:1000;border-radius:10px}
.site-header{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.navbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand img{width:230px;height:auto}
.nav-links{display:flex;align-items:center;gap:22px;font-weight:700}.nav-links a{color:var(--muted)}.nav-links a:hover,.nav-links a.active{color:var(--teal)}
.nav-actions{display:flex;gap:10px;align-items:center}.icon-btn,.menu-btn{border:1px solid var(--line);background:var(--surface);color:var(--text);width:44px;height:44px;border-radius:13px;font-size:20px;cursor:pointer}.menu-btn{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 20px;border-radius:14px;font-weight:800;border:1px solid transparent;transition:.2s}.btn-primary{background:linear-gradient(135deg,#123b67,#19a7a0);color:white;box-shadow:0 10px 30px rgba(25,167,160,.22)}.btn-secondary{background:var(--surface);border-color:var(--line)}
.hero{padding:82px 0 62px;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(25,167,160,.18),transparent 65%);right:-120px;top:-180px}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:54px;align-items:center}.eyebrow{display:inline-flex;padding:8px 12px;border-radius:999px;background:var(--surface-2);color:var(--teal);font-size:.82rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
h1,h2,h3{line-height:1.12;margin:0 0 18px}h1{font-size:clamp(3rem,7vw,6.4rem);letter-spacing:-.055em}h2{font-size:clamp(2rem,4vw,3.5rem);letter-spacing:-.035em}h3{font-size:1.25rem}.gradient{background:linear-gradient(135deg,var(--blue),var(--teal));-webkit-background-clip:text;color:transparent}.lead{font-size:1.17rem;color:var(--muted);max-width:700px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.search-demo{background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:22px;box-shadow:var(--shadow);position:relative}.search-bar{display:flex;gap:10px;background:var(--surface-2);padding:10px;border-radius:16px}.search-bar input{border:0;background:transparent;flex:1;min-width:0;color:var(--text);font-size:1rem;outline:0}.result{margin-top:14px;padding:16px;border:1px solid var(--line);border-radius:16px}.result small{color:var(--teal);font-weight:800}
.section{padding:76px 0}.section-head{max-width:760px;margin-bottom:34px}.section-head p{color:var(--muted)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:0 10px 32px rgba(20,50,80,.04)}.card .icon{font-size:2rem;margin-bottom:14px}.card p{color:var(--muted);margin-bottom:0}.card-link:hover{transform:translateY(-4px);transition:.2s;box-shadow:var(--shadow)}
.band{background:linear-gradient(135deg,#0f3157,#167f82);color:white}.band .muted{color:#d2e7ec}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.stat strong{display:block;font-size:2rem}.stat span{color:#d7e9ee}
.list{display:grid;gap:12px}.list-item{display:flex;gap:14px;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:16px}.check{color:var(--teal);font-weight:900}
.page-hero{padding:64px 0 40px}.breadcrumbs{font-size:.9rem;color:var(--muted);margin-bottom:18px}.content-grid{display:grid;grid-template-columns:2fr 1fr;gap:32px}.article{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px}.article h2{font-size:2rem;margin-top:30px}.sidebar{display:grid;gap:18px;align-content:start}
.tool{display:flex;flex-direction:column;gap:12px}.tool input,.tool textarea,.tool select{width:100%;padding:13px 14px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--text);font:inherit}.tool-output{min-height:80px;background:var(--surface-2);border-radius:14px;padding:15px;color:var(--muted)}
.footer{padding:55px 0 28px;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}.footer h4{margin:0 0 12px}.footer a{display:block;color:var(--muted);margin:7px 0}.copyright{border-top:1px solid var(--line);margin-top:36px;padding-top:20px;color:var(--muted);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.reveal{opacity:0;transform:translateY(18px);transition:.6s}.reveal.visible{opacity:1;transform:none}
@media(max-width:900px){.menu-btn{display:block}.nav-links{display:none;position:absolute;top:76px;left:16px;right:16px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.nav-actions .btn{display:none}.hero-grid,.content-grid{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.brand img{width:190px}}
@media(max-width:620px){.hero{padding-top:54px}h1{font-size:3.25rem}.grid-3,.grid-4,.stats,.footer-grid{grid-template-columns:1fr}.article{padding:22px}.section{padding:58px 0}.copyright{flex-direction:column}.search-bar{flex-direction:column}}