/* ========== Safra_on_Safety — Black & White Theme ========== */

:root{
  --bg:black;
  --fg:white;
  --muted:#cfcfcf;
  --line:#2a2a2a;
  --card:#0f0f10;
  --chip:#111;
  --shadow:0 10px 30px rgba(0,0,0,.25);
  --radius:14px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji","Segoe UI Emoji";
  background:var(--bg);
  color:var(--fg);
  line-height:1.55;
}

/* ---------- Layout ---------- */
.container{width:min(1120px, 92vw); margin-inline:auto}
.header, .footer{position:sticky; top:0; z-index:50; backdrop-filter:saturate(150%) blur(6px)}
.header{background:rgba(0,0,0,.7); border-bottom:1px solid var(--line)}
.footer{background:#000; border-top:1px solid var(--line); top:auto; bottom:0; position:static}

.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 0;
}
.brand{
  display:flex; align-items:center; gap:12px; text-decoration:none; color:var(--fg); font-weight:700; letter-spacing:.4px;
}
.brand__mark{
  width:30px; height:30px; border:2px solid var(--fg); border-radius:50%;
  display:grid; place-items:center; font-size:14px; font-weight:800;
}
.nav__links{display:flex; gap:20px; align-items:center}
.nav__link{
  color:var(--fg); opacity:.85; text-decoration:none; font-weight:600; padding:8px 12px; border-radius:10px;
}
.nav__link:hover{opacity:1; background:var(--chip)}

.btn{
  appearance:none; border:1.5px solid var(--fg); color:var(--bg); background:var(--fg);
  padding:10px 16px; border-radius:999px; font-weight:700; cursor:pointer;
}
.btn--ghost{background:transparent; color:var(--fg)}
.btn--ghost:hover{background:var(--chip)}
.btn--small{padding:8px 12px; font-weight:600}

/* ---------- Hero ---------- */
.hero{
  padding:72px 0 48px;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(1200px 600px at 80% -100px, rgba(255,255,255,.06), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(255,255,255,.05), transparent 60%),
    linear-gradient(180deg, #0a0a0a, #000);
}
.hero__eyebrow{letter-spacing:.22em; text-transform:uppercase; color:var(--muted); font-size:.8rem}
.hero__title{font-size:clamp(2rem, 6vw, 3.2rem); margin:.35em 0 .15em; line-height:1.12}
.hero__subtitle{color:#e9e9e9; max-width:60ch; margin:0}
.hero__actions{display:flex; gap:12px; margin-top:22px; flex-wrap:wrap}

/* ---------- Sections ---------- */
.section{padding:56px 0; border-bottom:1px solid var(--line)}
.section__title{font-size:clamp(1.4rem, 2.8vw, 1.8rem); margin:0 0 18px}
.section__grid{
  display:grid; gap:18px;
  grid-template-columns:repeat(auto-fit, minmax(240px, 1fr));
}
.card{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:18px; box-shadow:var(--shadow);
}
.card h3{margin:0 0 6px; font-size:1.05rem}
.card p{margin:0; color:#dddddd}

/* ---------- Feature chips ---------- */
.chips{display:flex; gap:10px; flex-wrap:wrap}
.chip{
  border:1px solid var(--fg); padding:8px 12px; border-radius:999px; font-size:.9rem; background:transparent;
}

/* ---------- Footer ---------- */
.footer__grid{
  display:grid; gap:22px; padding:28px 0;
  grid-template-columns:repeat(auto-fit, minmax(180px, 1fr));
}
.footer a{color:#cfcfcf; text-decoration:none}
.footer a:hover{color:#fff}
.footer__brand{opacity:.9}
.footer__legal{border-top:1px solid var(--line); padding:14px 0; color:#a9a9a9; font-size:.9rem}

/* ---------- Utilities ---------- */
.muted{color:var(--muted)}
.kbd{border:1px solid var(--fg); padding:.1rem .4rem; border-radius:6px; background:var(--chip)}
hr{border:none; border-top:1px solid var(--line); margin:22px 0}

/* ---------- Responsive tweaks ---------- */
@media (max-width:600px){
  .nav__links{gap:10px}
  .btn{padding:10px 14px}
}