:root{
  --bg:#05080A;
  --bg2:#0A1A0F;
  --ink:#0C1018;
  --green:#1FB573;
  --green-deep:#0E6B45;
  --green-glow:#2BE38C;
  --cream:#F3EAD3;
  --cream-soft:#D8CBA8;
  --gold:#D4AF37;
  --gold-soft:#E7C766;
  --gold-deep:#B8941F;
  --white:#FFFFFF;
  --glass:rgba(18,32,24,0.55);
  --glass-border:rgba(212,175,55,0.22);
  --radius:22px;
  --shadow-neu: 10px 10px 28px rgba(0,0,0,0.65), -8px -8px 22px rgba(40,70,52,0.10);
  --shadow-gold: 0 0 28px rgba(212,175,55,0.18), 0 18px 50px rgba(0,0,0,0.55);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--cream);
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(31,181,115,0.10), transparent 60%),
    radial-gradient(900px 600px at 10% 110%, rgba(212,175,55,0.08), transparent 55%),
    linear-gradient(180deg, #05080A 0%, #07120C 45%, #05080A 100%);
  min-height:100vh;
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

/* ===== Matrix canvas ===== */
#matrix{
  position:fixed;
  inset:0;
  z-index:0;
  opacity:0.16;
  pointer-events:none;
}
.vignette{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(circle at 50% 30%, transparent 40%, rgba(0,0,0,0.55) 100%);
}

.wrap{position:relative;z-index:2;max-width:920px;margin:0 auto;padding:0 22px 96px}

/* ===== Header / Hero ===== */
header.hero{
  text-align:center;
  padding:88px 0 54px;
}
.logo{
  display:inline-flex;align-items:center;justify-content:center;gap:14px;
  margin-bottom:30px;
}
.logo .mark{
  width:64px;height:64px;border-radius:18px;
  display:grid;place-items:center;
  font-family:'Cormorant Garamond',serif;font-weight:700;font-size:34px;
  color:var(--ink);
  background:linear-gradient(145deg,var(--gold-soft),var(--gold),var(--gold-deep));
  box-shadow:var(--shadow-gold), inset 0 1px 2px rgba(255,255,255,0.5);
  position:relative;
}
.logo .name{
  font-family:'Cormorant Garamond',serif;
  font-size:40px;letter-spacing:6px;font-weight:700;
  color:var(--cream);
  text-shadow:0 0 20px rgba(212,175,55,0.25);
}
.badge{
  display:inline-block;
  font-family:'JetBrains Mono',monospace;
  font-size:11px;letter-spacing:3px;text-transform:uppercase;
  color:var(--green-glow);
  border:1px solid rgba(43,227,140,0.35);
  border-radius:999px;
  padding:7px 16px;margin-bottom:26px;
  background:rgba(31,181,115,0.07);
  box-shadow:0 0 18px rgba(43,227,140,0.12) inset;
}
h1{
  font-family:'Cormorant Garamond',serif;
  font-size:clamp(38px,7vw,64px);
  font-weight:700;line-height:1.05;
  background:linear-gradient(120deg,var(--cream) 0%,var(--gold-soft) 45%,var(--cream) 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  margin-bottom:18px;
}
.sub{
  max-width:620px;margin:0 auto;
  color:var(--cream-soft);font-size:17px;font-weight:300;
}
.meta-line{
  margin-top:22px;font-family:'JetBrains Mono',monospace;
  font-size:12.5px;color:rgba(243,234,211,0.55);letter-spacing:1px;
}
.gold-rule{
  width:140px;height:2px;margin:34px auto 0;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
  box-shadow:0 0 14px rgba(212,175,55,0.6);
}

/* ===== TOC ===== */
nav.toc{
  margin:18px 0 54px;
  background:var(--glass);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  padding:26px 28px;
  box-shadow:var(--shadow-neu);
}
nav.toc h2{
  font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:3px;
  text-transform:uppercase;color:var(--gold);margin-bottom:16px;
}
nav.toc ol{list-style:none;counter-reset:t;display:grid;grid-template-columns:1fr 1fr;gap:8px 26px}
nav.toc li{counter-increment:t}
nav.toc a{
  display:flex;align-items:baseline;gap:10px;
  color:var(--cream-soft);text-decoration:none;font-size:14.5px;
  padding:6px 8px;border-radius:10px;transition:.25s;
}
nav.toc a::before{
  content:counter(t,decimal-leading-zero);
  font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--green);
  min-width:24px;
}
nav.toc a:hover{color:var(--white);background:rgba(31,181,115,0.10);transform:translateX(3px)}

/* ===== Sections / Glass cards ===== */
section.card{
  position:relative;
  background:var(--glass);
  backdrop-filter:blur(16px) saturate(130%);
  -webkit-backdrop-filter:blur(16px) saturate(130%);
  border:1px solid rgba(243,234,211,0.08);
  border-top:1px solid rgba(212,175,55,0.18);
  border-radius:var(--radius);
  padding:38px 40px;
  margin-bottom:26px;
  box-shadow:var(--shadow-neu);
  scroll-margin-top:24px;
}
section.card::before{
  content:"";position:absolute;left:0;top:28px;bottom:28px;width:3px;
  background:linear-gradient(180deg,var(--gold),var(--green));
  border-radius:3px;box-shadow:0 0 12px rgba(212,175,55,0.5);
}
section.card h2{
  font-family:'Cormorant Garamond',serif;
  font-size:28px;font-weight:700;color:var(--white);
  margin-bottom:8px;display:flex;align-items:center;gap:14px;
}
section.card h2 .num{
  font-family:'JetBrains Mono',monospace;font-size:13px;
  color:var(--gold);border:1px solid rgba(212,175,55,0.4);
  border-radius:8px;padding:4px 9px;font-weight:500;
}
section.card h3{
  font-family:'Inter',sans-serif;font-size:16px;font-weight:600;
  color:var(--green-glow);margin:22px 0 8px;
}
section.card p{color:var(--cream-soft);font-weight:300;margin-bottom:12px}
section.card p strong, li strong{color:var(--cream);font-weight:600}
section.card ul{list-style:none;margin:10px 0 6px}
section.card ul li{
  position:relative;padding-left:24px;margin-bottom:9px;
  color:var(--cream-soft);font-weight:300;
}
section.card ul li::before{
  content:"◆";position:absolute;left:0;top:1px;color:var(--gold);font-size:11px;
}
a.inline{color:var(--gold-soft);text-decoration:none;border-bottom:1px dotted rgba(231,199,102,0.5)}
a.inline:hover{color:var(--white)}

/* table for processors */
.tbl{width:100%;border-collapse:collapse;margin-top:14px;font-size:14px}
.tbl th,.tbl td{text-align:left;padding:11px 12px;border-bottom:1px solid rgba(243,234,211,0.08)}
.tbl th{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:1px;
  text-transform:uppercase;color:var(--gold);font-weight:500}
.tbl td{color:var(--cream-soft);font-weight:300}
.tbl tr:hover td{background:rgba(31,181,115,0.05)}

/* contact box */
.contact{
  display:flex;flex-wrap:wrap;gap:18px;margin-top:18px;
}
.contact .chip{
  flex:1;min-width:200px;
  background:rgba(8,16,12,0.6);
  border:1px solid rgba(212,175,55,0.18);
  border-radius:16px;padding:18px 20px;
  box-shadow:inset 6px 6px 14px rgba(0,0,0,0.5), inset -6px -6px 14px rgba(40,70,52,0.06);
}
.contact .chip .k{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--green);letter-spacing:1px}
.contact .chip .v{color:var(--cream);font-size:15px;margin-top:6px;word-break:break-word}

footer{
  text-align:center;padding:50px 20px 10px;color:rgba(243,234,211,0.45);
  font-size:13px;font-family:'JetBrains Mono',monospace;letter-spacing:1px;
}
footer .fl{color:var(--gold-soft);text-decoration:none}

/* back to top */
#top{
  position:fixed;right:22px;bottom:22px;z-index:5;
  width:48px;height:48px;border-radius:14px;border:none;cursor:pointer;
  background:linear-gradient(145deg,var(--gold-soft),var(--gold-deep));
  color:var(--ink);font-size:20px;
  box-shadow:var(--shadow-gold);
  opacity:0;transform:translateY(12px);transition:.3s;
}
#top.show{opacity:1;transform:translateY(0)}

@media(max-width:640px){
  nav.toc ol{grid-template-columns:1fr}
  section.card{padding:28px 22px}
  .logo .name{font-size:30px}
}