:root{
  --bg:#0b1120;
  --bg2:#0f172a;
  --panel:#111c33;
  --panel2:#0d1730;
  --line:rgba(148,163,184,.16);
  --txt:#e8eef7;
  --muted:#94a3b8;
  --accent:#38bdf8;
  --accent2:#22d3ee;
  --red:#f43f5e;
  --amber:#f59e0b;
  --green:#34d399;
  --code:#0a1020;
  --radius:14px;
  --mono:"Fira Code",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--sans);color:var(--txt);background:var(--bg);
  line-height:1.6;-webkit-font-smoothing:antialiased;
  background-image:radial-gradient(1000px 600px at 80% -10%,rgba(56,189,248,.10),transparent),radial-gradient(800px 500px at 0% 10%,rgba(34,211,238,.06),transparent);
}
a{color:inherit;text-decoration:none}
code{font-family:var(--mono)}
h1,h2,h3{line-height:1.2}

/* NAV */
.nav{
  position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  gap:1rem;padding:.85rem 1.5rem;background:rgba(11,17,32,.8);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.brand{font-weight:700;font-size:1.05rem;display:flex;align-items:center;gap:.4rem}
.brand small{color:var(--muted);font-weight:500}
.brand .dot{color:var(--accent)}
.nav nav{display:flex;gap:1.1rem;align-items:center;flex-wrap:wrap}
.nav nav a{color:var(--muted);font-size:.9rem;transition:color .2s}
.nav nav a:hover{color:var(--txt)}
.btn-nav{padding:.45rem .9rem;border:1px solid var(--accent);border-radius:8px;color:var(--accent)!important}
.btn-nav:hover{background:var(--accent);color:#04121f!important}

/* HERO */
.hero{position:relative;overflow:hidden;padding:4.5rem 1.5rem 3rem;text-align:center}
.hero-glow{position:absolute;inset:0;background:radial-gradient(600px 300px at 50% 0%,rgba(56,189,248,.18),transparent);pointer-events:none}
.hero-inner{position:relative;max-width:900px;margin:0 auto}
.badges{display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap;margin-bottom:1.4rem}
.badge{font-size:.78rem;padding:.3rem .7rem;border-radius:999px;border:1px solid var(--line);color:var(--muted);background:var(--panel2)}
.badge.red{color:var(--red);border-color:rgba(244,63,94,.4)}
.hero h1{font-size:clamp(1.9rem,5vw,3.2rem);margin:.2rem 0 1rem;font-weight:800;letter-spacing:-.02em}
.hero h1 .accent{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--muted);font-size:1.05rem;max-width:720px;margin:0 auto 1.8rem}
.lead em{color:var(--accent2);font-style:normal}
.flag-box{display:inline-flex;align-items:center;gap:.6rem;background:var(--code);border:1px solid rgba(52,211,153,.35);border-radius:12px;padding:.7rem 1rem;font-family:var(--mono);font-size:.95rem;box-shadow:0 0 30px rgba(52,211,153,.12)}
.flag-label{font-size:.7rem;color:var(--green);border:1px solid rgba(52,211,153,.4);border-radius:6px;padding:.1rem .4rem}
.copy{background:transparent;border:1px solid var(--line);color:var(--muted);border-radius:8px;cursor:pointer;padding:.25rem .5rem;font-size:.9rem;transition:.2s}
.copy:hover{color:var(--accent);border-color:var(--accent)}
.hero-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.8rem;margin-top:2.4rem}
.hero-meta>div{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:.7rem .9rem;text-align:left}
.hero-meta .k{display:block;font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.hero-meta .v{font-family:var(--mono);font-size:.9rem}

/* SECTIONS */
.section{max-width:1080px;margin:0 auto;padding:3.2rem 1.5rem}
.section h2{font-size:1.6rem;margin:0 0 .4rem}
.sub{color:var(--muted);margin:0 0 1.6rem}

/* CHAIN */
.chain{display:flex;gap:.5rem;align-items:stretch;flex-wrap:wrap;margin-top:1rem}
.step{flex:1 1 150px;background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:var(--radius);padding:1rem;position:relative}
.step .n{position:absolute;top:-.7rem;left:.9rem;background:var(--accent);color:#04121f;font-weight:800;font-size:.75rem;width:1.4rem;height:1.4rem;display:grid;place-items:center;border-radius:50%}
.step h3{margin:.6rem 0 .3rem;font-size:.98rem}
.step p{margin:0;color:var(--muted);font-size:.82rem}
.step.win{border-color:rgba(52,211,153,.45);box-shadow:0 0 24px rgba(52,211,153,.10)}
.step.win .n{background:var(--green)}
.arrow{align-self:center;color:var(--muted);font-weight:700}

/* TIMELINE */
.timeline{display:grid;gap:1rem;margin-top:1rem}
.tl{background:var(--panel2);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:var(--radius);padding:1.1rem 1.2rem}
.tl-head{display:flex;align-items:center;gap:.7rem;margin-bottom:.4rem}
.tag{font-family:var(--mono);font-size:.72rem;color:var(--accent);background:rgba(56,189,248,.10);border:1px solid rgba(56,189,248,.3);border-radius:6px;padding:.15rem .5rem}
.tl h3{margin:0;font-size:1rem}
.tl p{margin:.35rem 0 .6rem;color:var(--muted);font-size:.9rem}

/* PRE / CODE */
pre{margin:.5rem 0 0;background:var(--code);border:1px solid var(--line);border-radius:10px;padding:.9rem 1rem;overflow-x:auto}
pre code{font-size:.82rem;color:#cbd5e1;white-space:pre}
.snippet{margin-bottom:1rem}
.snip-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:.2rem}

/* TABLE */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{padding:.8rem 1rem;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--panel);color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
tr:last-child td{border-bottom:none}
.sev{font-size:.75rem;padding:.2rem .55rem;border-radius:999px;font-weight:600}
.sev.critica{background:rgba(244,63,94,.15);color:var(--red);border:1px solid rgba(244,63,94,.4)}
.sev.alta{background:rgba(245,158,11,.15);color:var(--amber);border:1px solid rgba(245,158,11,.4)}

/* CARDS */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin-top:1.2rem}
.card{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem 1.2rem;transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-3px);border-color:rgba(56,189,248,.5)}
.card h3{margin:0 0 .4rem;font-size:1rem;font-family:var(--mono);color:var(--accent2)}
.card p{margin:0;color:var(--muted);font-size:.88rem}

/* EVIDENCE FILES */
.ev-title{margin:2rem 0 .4rem;font-size:1.05rem;color:var(--muted)}
.ev-files .card{display:block}
.ev-files .card h3{color:var(--accent)}

/* SHIP */
.ship-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.2rem;margin-top:1.2rem}
.ship-col{background:var(--panel2);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem}
.ship-col h3{margin:0 0 .7rem}
.hint{color:var(--muted);font-size:.82rem;margin:.6rem 0 0}

/* FOOTER */
footer{max-width:1080px;margin:2rem auto 0;padding:2rem 1.5rem;border-top:1px solid var(--line);text-align:center;color:var(--muted);font-size:.85rem}
footer .muted{color:#64748b;font-size:.78rem}

/* REVEAL */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

@media (max-width:640px){
  .nav nav a:not(.btn-nav){display:none}
  .chain .arrow{display:none}
  .step{flex:1 1 100%}
}