:root {
  --bg: #0b0e14; --bg2: #11151f; --card: #161b28; --line: #232a3d;
  --text: #e8ecf4; --muted: #9aa3b8; --accent: #5b8cff; --accent2: #38d39a;
  --warn: #ffb648; --radius: 14px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
       background: var(--bg); color: var(--text); line-height: 1.65; }
a { color: var(--accent); text-decoration: none; }
.wrap { max-width: 1060px; margin: 0 auto; padding: 0 20px; }
.wrap.narrow { max-width: 760px; }

/* header */
header.top { position: sticky; top: 0; z-index: 50; background: rgba(11,14,20,.94);
             backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; max-width: 1060px; margin: 0 auto; }
.brand { font-weight: 800; font-size: 1.05rem; letter-spacing: .2px; color: var(--text);
         display: inline-flex; align-items: center; gap: 10px; }
.brand span { color: var(--accent2); }
.brand .logo { width: 34px; height: 34px; border-radius: 10px; object-fit: cover;
               border: 1px solid var(--line); }
.hero .hero-logo { width: 110px; height: 110px; border-radius: 26px; object-fit: cover;
                   border: 2px solid var(--line); margin-bottom: 20px;
                   box-shadow: 0 8px 32px rgba(91,140,255,.25); }
.nav nav a { color: var(--muted); margin-left: 18px; font-size: .93rem; }
.nav nav a:hover, .nav nav a.active { color: var(--text); }
.menu-btn { display: none; background: none; border: 1px solid var(--line); color: var(--text);
            border-radius: 8px; padding: 6px 12px; font-size: 1rem; cursor: pointer; }

/* buttons */
.cta { display: inline-block; background: var(--accent2); color: #06130d; font-weight: 700;
       padding: 12px 26px; border-radius: 10px; font-size: 1rem; }
.cta:hover { filter: brightness(1.08); }
.cta.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }

/* hero */
.hero { padding: 76px 0 56px; text-align: center; }
.pill { display: inline-block; border: 1px solid var(--line); background: var(--bg2); color: var(--muted);
        border-radius: 999px; padding: 6px 16px; font-size: .82rem; margin-bottom: 22px; }
.pill b { color: var(--accent2); font-weight: 600; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); line-height: 1.15; letter-spacing: -1px; margin-bottom: 16px; }
h1 .hl { color: var(--accent); }
.sub { color: var(--muted); font-size: 1.1rem; max-width: 680px; margin: 0 auto 30px; }
.hero .cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 38px; }
.stats { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
        padding: 14px 22px; min-width: 150px; }
.stat b { display: block; font-size: 1.3rem; }
.stat small { color: var(--muted); }

/* sections */
section { padding: 52px 0; }
.page-head { padding: 52px 0 8px; }
.kicker { color: var(--accent); font-weight: 700; font-size: .85rem; text-transform: uppercase;
          letter-spacing: 1.5px; margin-bottom: 10px; }
h2 { font-size: clamp(1.45rem, 3vw, 2rem); letter-spacing: -.5px; margin-bottom: 14px; }
.lead { color: var(--muted); max-width: 720px; margin-bottom: 26px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card .ico { font-size: 1.9rem; }
.card h3 { margin: 10px 0 8px; font-size: 1.08rem; }
.card p { color: var(--muted); font-size: .95rem; }
.card .more { display: inline-block; margin-top: 12px; font-weight: 600; font-size: .92rem; }

/* article */
.article h2 { margin-top: 36px; }
.article p, .article li { color: var(--muted); }
.article p { margin-bottom: 14px; }
.article p b, .article li b { color: var(--text); }
.article ol, .article ul { padding-left: 22px; margin-bottom: 16px; }
.article ol li, .article ul li { margin-bottom: 8px; }
.tip { background: #0e1a14; border: 1px solid #1f4a35; border-left: 4px solid var(--accent2);
       border-radius: 10px; padding: 16px 20px; margin: 22px 0; color: var(--muted); }
.tip b { color: var(--accent2); }
.warnbox { background: #1a1206; border: 1px solid #4a3a1a; border-left: 4px solid var(--warn);
           border-radius: 10px; padding: 16px 20px; margin: 22px 0; color: #d8c9a3; }
.warnbox b { color: var(--warn); }
.pager { display: flex; justify-content: space-between; gap: 12px; margin-top: 44px; flex-wrap: wrap; }
.pager a { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 18px; color: var(--text); }
.pager a small { display: block; color: var(--muted); font-size: .78rem; }

/* faq */
details.faq { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
              padding: 16px 20px; margin-bottom: 10px; }
details.faq summary { cursor: pointer; font-weight: 600; }
details.faq p { color: var(--muted); margin-top: 10px; font-size: .96rem; }

/* tools */
.calc { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.calc label { display: block; color: var(--muted); font-size: .88rem; margin: 12px 0 4px; }
.calc input, .calc select { width: 100%; background: var(--bg2); border: 1px solid var(--line);
   color: var(--text); border-radius: 8px; padding: 10px 12px; font-size: 1rem; }
.calc .out { margin-top: 18px; padding: 14px; background: var(--bg2); border-radius: 10px; font-size: 1.02rem; }
.calc .out b { color: var(--accent2); }
.two { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
table.avail { width: 100%; border-collapse: collapse; margin-top: 18px; font-size: .95rem; }
table.avail th, table.avail td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
table.avail th { color: var(--muted); font-weight: 600; font-size: .85rem; text-transform: uppercase; letter-spacing: .5px; }
.badge { display: inline-block; border-radius: 999px; padding: 2px 12px; font-size: .8rem; font-weight: 700; }
.badge.ok { background: #0e2a1e; color: var(--accent2); border: 1px solid #1f4a35; }
.badge.check { background: #2a1f08; color: var(--warn); border: 1px solid #4a3a1a; }

/* misc */
.disclaimer { background: #141009; border: 1px solid #4a3a1a; border-radius: var(--radius);
              padding: 24px; color: #d8c9a3; font-size: .93rem; }
.disclaimer b { color: var(--warn); }
.final-cta { text-align: center; }
footer { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: .88rem; }
footer .cols { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 20px; }
footer .cols a { display: block; color: var(--muted); margin-bottom: 6px; font-size: .9rem; }
footer .cols a:hover { color: var(--text); }
footer .cols h4 { color: var(--text); margin-bottom: 10px; font-size: .92rem; }

@media (max-width: 720px) {
  .menu-btn { display: block; }
  .nav nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg2);
             border-bottom: 1px solid var(--line); padding: 10px 20px 16px; }
  .nav nav.open { display: block; }
  .nav nav a { display: block; margin: 10px 0; }
  .nav { position: relative; }
}