/* GravShift — shared styles for SEO / guide pages */
:root{
  --bg:#07090e;
  --surface:#0d1017;
  --surface-2:#11151e;
  --surface-3:#161b26;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.13);
  --text:#e9ebef;
  --muted:#8b93a3;
  --accent:#6fd3e7;
  --accent-soft:rgba(111,211,231,.10);
  --accent-line:rgba(111,211,231,.35);
  --accent-2:#d783c1;
  --max:880px;
  --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:underline;text-decoration-color:rgba(111,211,231,.45);text-underline-offset:3px}
a:hover{text-decoration-color:var(--accent)}
img{max-width:100%;display:block;height:auto}
::selection{background:rgba(111,211,231,.25)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--text);color:var(--bg);padding:10px 16px;font-weight:600;z-index:999}
.skip-link:focus{left:0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;letter-spacing:-.02em;font-weight:600;line-height:1.2}
h1{font-size:clamp(32px,5vw,48px);margin:14px 0 14px}
h2{font-size:clamp(24px,3.4vw,32px);margin:40px 0 12px}
h3{font-size:19px;margin:26px 0 8px}
p{margin:0 0 16px;color:#c3c9d4}
ul,ol{margin:0 0 18px 22px;color:#c3c9d4}
li{margin-bottom:7px}
strong{color:var(--text)}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(7,9,14,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;max-width:1180px}
.logo{display:flex;align-items:center;gap:9px;color:var(--text);text-decoration:none;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:17px}
.logo:hover{text-decoration:none}
.logo img{width:32px;height:32px;border-radius:8px;object-fit:contain}
.logo em{font-style:normal;color:var(--accent)}
.nav{display:flex;align-items:center;gap:2px;flex-wrap:wrap;justify-content:flex-end}
.nav a{color:var(--muted);font-size:13px;font-weight:500;padding:8px 10px;border-radius:8px;text-decoration:none}
.nav a:hover{color:var(--text);background:var(--surface-2);text-decoration:none}
.nav a[aria-current="page"]{color:var(--text);background:var(--surface-3)}
.nav .nav-cta{background:var(--text);color:var(--bg);font-weight:600;margin-left:6px;padding:9px 14px}
.nav .nav-cta:hover{background:#fff;color:var(--bg)}
.nav .lang-link{border:1px solid var(--line-strong);border-radius:7px;font-size:11px;font-weight:600;letter-spacing:.08em;padding:6px 9px;align-self:center;margin-left:4px}

/* Page head */
.page-head{padding:54px 0 10px}
.kicker{display:inline-flex;align-items:center;gap:7px;padding:6px 11px;border-radius:8px;background:var(--surface-2);border:1px solid var(--line);font-size:11.5px;font-weight:500;letter-spacing:.09em;color:var(--muted);text-transform:uppercase}
.lead{font-size:18px;color:#b6bcc8;max-width:720px}
.breadcrumb{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:12.5px;color:var(--muted);padding-top:20px}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span[aria-hidden]{opacity:.5}

/* Content */
.page-body{padding:26px 0 64px}
.prose{max-width:760px}
.prose > p:first-of-type{font-size:17px;color:#cdd3dd}
.note{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:10px;padding:14px 16px;margin:20px 0;font-size:14px;color:#c3c9d4}
.note strong{color:var(--accent)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:20px 0}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}
.card h3{margin-top:0}
.card p:last-child{margin-bottom:0}
.card .num{font-family:'Space Grotesk',sans-serif;font-size:12px;letter-spacing:.12em;color:var(--accent);font-weight:600}
.card ul{margin-bottom:0;font-size:14px}
.card .tag{display:inline-block;font-size:10.5px;font-weight:600;letter-spacing:.07em;padding:4px 8px;border-radius:7px;border:1px solid var(--accent-line);color:var(--accent);background:var(--accent-soft);margin-bottom:8px}

/* Table */
.table-wrap{overflow-x:auto;margin:20px 0;border:1px solid var(--line);border-radius:13px}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:520px}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--surface-2);font-size:11.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);font-weight:600}
tr:last-child td{border-bottom:none}
td{color:#c3c9d4}

/* Steps */
.steps{counter-reset:step;display:grid;gap:10px;margin:20px 0}
.step{display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.step::before{counter-increment:step;content:counter(step);flex:0 0 28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);border:1px solid var(--accent-line);color:var(--accent);font-family:'Space Grotesk',sans-serif;font-size:13px;font-weight:600}
.step p{margin:0;font-size:14.5px}
.step b{color:var(--text)}

/* FAQ */
.faq{display:grid;gap:10px;margin:18px 0 8px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:15px 17px;font-weight:600;color:var(--text);list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center;font-size:15px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:20px;line-height:1;flex-shrink:0;transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .answer{padding:0 17px 15px;color:var(--muted);font-size:14.5px}
.faq .answer p{margin:0;color:var(--muted)}

/* CTA */
.cta{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;background:var(--surface);border:1px solid var(--accent-line);border-radius:var(--radius);padding:22px;margin:34px 0 10px}
.cta h2{margin:0 0 4px;font-size:22px}
.cta p{margin:0;color:var(--muted);font-size:14px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:11px;font-size:14px;font-weight:600;text-decoration:none;border:1px solid transparent;transition:.18s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:#062a32}
.btn-primary:hover{background:#83e2f2;color:#062a32}
.btn-ghost{background:rgba(255,255,255,.05);color:var(--text);border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(255,255,255,.09);color:var(--text)}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:var(--surface);padding:30px 0 38px;margin-top:20px}
.site-footer .wrap{max-width:1180px}
.footer-top{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-nav{display:flex;gap:14px;flex-wrap:wrap;font-size:13px}
.footer-nav a{color:var(--muted);text-decoration:none}
.footer-nav a:hover{color:var(--text)}
.site-footer small{display:block;color:var(--muted);font-size:12px;margin-top:14px}
.lang{font-size:11px;font-weight:600;letter-spacing:.08em;border:1px solid var(--line-strong);padding:6px 9px;border-radius:7px}

/* Mobile */
@media (max-width:760px){
  .grid-2,.grid-3{grid-template-columns:1fr}
  .nav{gap:0}
  .nav a{padding:7px 8px;font-size:12.5px}
  .nav .nav-cta{margin-left:0}
  .page-head{padding-top:36px}
  .cta{align-items:flex-start}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
  html{scroll-behavior:auto}
}