/*
  Copyright (c) 2026 André Luiz Gallon
  SPDX-License-Identifier: LicenseRef-PolyForm-Noncommercial-1.0.0-with-Appendix-A

  Styles for the branded obs.tlsstress.art landing. Externalised from index.html
  so the apex ships a strict CSP with no inline styles (style-src 'self').
*/
:root{
  --navy-500:#000018; --navy-400:#0A0F1F; --navy-300:#0B142A; --navy-200:#0F1A2E; --navy-100:#162338; --navy-50:#1E2D45;
  --cyan:#00D8FC; --cyan-light:#00E4FC; --cyan-deep:#003C54; --blue:#0054FC; --blue-hover:#0040CC;
  --ink:#FCFCFC; --ink-2:#E5E9F0; --ink-3:#CBD5E1; --ink-muted:#94A3B8; --ink-faint:#64748B;
  --glow:0 0 24px rgba(0,216,252,.40); --glow-sm:0 0 12px rgba(0,216,252,.25);
  --font-display:'Bahnschrift','Eurostile','Inter',system-ui,sans-serif;
  --font-sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
  --font-mono:ui-monospace,'SF Mono','JetBrains Mono','Consolas',monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--navy-500); color:var(--ink); font-family:var(--font-sans);
  color-scheme:dark; -webkit-font-smoothing:antialiased; min-height:100vh;
  background-image:
    radial-gradient(900px 480px at 75% -8%, rgba(0,216,252,.10), transparent 60%),
    radial-gradient(720px 420px at 12% 8%, rgba(0,84,252,.10), transparent 55%);
}
a{color:inherit;text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}

header{display:flex;align-items:center;justify-content:space-between;padding:22px 0}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:40px;height:40px;border-radius:10px;box-shadow:var(--glow-sm)}
.brand .wm{font-family:var(--font-display);font-weight:700;letter-spacing:.5px;font-size:1.05rem}
.brand .wm b{color:var(--cyan)}
.navlink{font-size:.86rem;color:var(--ink-3);border:1px solid var(--navy-50);
  padding:8px 16px;border-radius:10px;transition:.18s}
.navlink:hover{border-color:var(--cyan);color:var(--ink);box-shadow:var(--glow-sm)}

/* Live platform-health strip (healthchecks.io badges). */
.health-strip{display:flex;gap:10px;justify-content:center;align-items:center;flex-wrap:wrap;
  padding:10px 16px;margin:6px 0 0;background:rgba(0,216,252,.05);border:1px solid var(--navy-100);border-radius:12px}
.health-strip .lbl{font-size:.74rem;color:var(--ink-muted);letter-spacing:.5px;text-transform:uppercase}

.hero{padding:70px 0 40px;text-align:center}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;color:var(--ink-3);
  background:rgba(0,216,252,.07);border:1px solid rgba(0,216,252,.28);padding:6px 14px;border-radius:999px;margin-bottom:24px}
.dot{width:8px;height:8px;border-radius:50%;background:#34d399;box-shadow:0 0 10px #34d399;animation:pulse 2s infinite}
.dot.down{background:#f87171;box-shadow:0 0 10px #f87171}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-family:var(--font-display);font-weight:800;line-height:1.05;
  font-size:clamp(2.4rem,5vw+1rem,4.4rem);letter-spacing:-.5px}
.hero h1 .g{background:linear-gradient(120deg,var(--cyan-light),var(--cyan),var(--blue));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{max-width:680px;margin:20px auto 0;color:var(--ink-3);font-size:1.08rem;line-height:1.6}
.cta{display:inline-flex;align-items:center;gap:10px;margin-top:34px;
  font-family:var(--font-display);font-weight:700;font-size:1rem;
  background:var(--cyan);color:#001018;padding:14px 28px;border-radius:12px;box-shadow:var(--glow);transition:.18s}
.cta:hover{transform:translateY(-2px);background:var(--cyan-light)}
.cta.secondary{background:transparent;color:var(--ink);border:1px solid var(--navy-50);box-shadow:none;margin-left:12px}
.cta.secondary:hover{border-color:var(--cyan)}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:54px 0 8px}
.stat{background:linear-gradient(180deg,var(--navy-200),var(--navy-300));border:1px solid var(--navy-100);
  border-radius:14px;padding:20px}
.stat .k{font-family:var(--font-display);font-size:1.7rem;font-weight:800;color:var(--cyan)}
.stat .l{font-size:.82rem;color:var(--ink-muted);margin-top:4px}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:48px 0}
.card{background:linear-gradient(180deg,var(--navy-200),var(--navy-400));border:1px solid var(--navy-100);
  border-radius:16px;padding:24px;transition:.18s}
.card:hover{border-color:rgba(0,216,252,.45);box-shadow:var(--glow-sm);transform:translateY(-3px)}
.card .ic{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;margin-bottom:14px;
  background:rgba(0,216,252,.10);border:1px solid rgba(0,216,252,.25)}
.card h3{font-family:var(--font-display);font-size:1.05rem;font-weight:700;margin-bottom:6px}
.card p{font-size:.9rem;color:var(--ink-3);line-height:1.55}
.card .tag{display:inline-block;margin-top:12px;font-size:.72rem;color:var(--cyan);
  border:1px solid rgba(0,216,252,.3);border-radius:6px;padding:2px 8px;font-family:var(--font-mono)}

.section-title{font-family:var(--font-display);font-size:.8rem;letter-spacing:2px;text-transform:uppercase;
  color:var(--ink-faint);text-align:center;margin:8px 0 0}

footer{border-top:1px solid var(--navy-100);margin-top:40px;padding:28px 0;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  font-size:.8rem;color:var(--ink-faint)}
footer .mono{font-family:var(--font-mono)}

@media(max-width:820px){.stats{grid-template-columns:repeat(2,1fr)}.grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}