/* PhoneGateway site: shared tokens and shell (nav, footer, text pages). */
:root{
  --bg:#f4f4f5; --card:#ffffff; --ink:#18181b; --ink2:#52525b; --ink3:#a1a1aa;
  --line:#e4e4e7; --soft:#fafafa; --dark:#111113; --dark2:#1c1c20;
  --a1:#5b8def; --a2:#8b5cf6; --hot:#f97316; --ok:#2563eb; --good:#16a34a; --bad:#dc2626;
  --grad:linear-gradient(92deg,var(--a1),var(--a2));
  --r:22px; --shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.05);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font:500 16px/1.55 Inter,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,.disp{font-family:"Inter Tight",Inter,sans-serif;letter-spacing:-.025em;line-height:1.05}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
code,pre,kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;position:relative;white-space:nowrap}
.grad:after{content:"";position:absolute;left:4%;right:2%;bottom:-6px;height:6px;border-radius:9px;background:var(--grad);opacity:.5}

/* nav */
nav.top{position:sticky;top:0;z-index:40;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:rgba(244,244,245,.78)}
nav.top .wrap{display:flex;align-items:center;gap:28px;height:76px}
.logo{display:flex;align-items:center;gap:10px;font:800 20px "Inter Tight",Inter,sans-serif;letter-spacing:-.03em}
.logo svg{width:32px;height:32px;border-radius:9px}
nav.top .links{display:flex;gap:26px;margin-left:auto;font-weight:600;font-size:15px;color:var(--ink2)}
nav.top .links a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:999px;font-weight:700;font-size:15px;white-space:nowrap;transition:transform .15s,box-shadow .15s;border:0;cursor:pointer;font-family:inherit;line-height:1.2}
.btn:hover{transform:translateY(-1px)}
.btn.dark{background:var(--ink);color:#fff;box-shadow:0 0 0 1.5px var(--a2),0 8px 20px rgba(91,141,239,.25)}
.btn.light{background:#fff;color:var(--ink);box-shadow:var(--shadow)}
.btn.ghost{background:transparent;color:var(--ink2)}
.btn[disabled]{opacity:.55;cursor:default;transform:none}
.chip{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:#fff;box-shadow:var(--shadow);font-weight:600;font-size:14px;color:var(--ink2)}
.chip b{width:8px;height:8px;border-radius:50%;background:var(--a2);box-shadow:0 0 0 4px rgba(139,92,246,.18)}

/* footer */
footer.site{margin-top:60px;padding:50px 0 60px;border-top:1px solid var(--line);color:var(--ink2);font-size:14px}
footer.site .wrap{display:flex;flex-wrap:wrap;gap:18px 40px;align-items:center}
footer.site .links{display:flex;gap:22px;flex-wrap:wrap;font-weight:600}
footer.site .links a:hover{color:var(--ink)}
footer.site small{margin-left:auto;color:var(--ink3);font-weight:600}

/* text pages (privacy, terms) */
.doc{max-width:760px;margin:0 auto;padding:60px 24px 40px}
.doc h1{font-size:clamp(36px,5vw,52px);font-weight:700;margin-bottom:10px}
.doc .meta{color:var(--ink3);font-weight:600;font-size:14px;margin-bottom:36px}
.doc h2{font-size:24px;font-weight:700;margin:40px 0 12px}
.doc h3{font-size:18px;font-weight:700;margin:26px 0 8px}
.doc p,.doc li{color:var(--ink2);font-size:16px}
.doc p{margin:0 0 14px}
.doc ul,.doc ol{margin:0 0 16px 22px;display:grid;gap:6px}
.doc strong{color:var(--ink)}
.doc a{color:var(--ok);font-weight:600}
.doc code{background:#fff;border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:14px}
.doc .card{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:22px 24px;margin:18px 0}

@media (max-width:960px){ nav.top .links{display:none} }
@media (max-width:560px){ .wrap{padding:0 16px} nav.top .wrap{gap:14px;height:68px} nav.top .btn.light{display:none} .doc{padding:36px 16px 20px} footer.site small{margin-left:0} }