:root {
  --chalk:      #f5f2ea;
  --card:       #f0ece2;
  --graphite:   #1d2128;
  --basalt:     #313843;
  --verdict:    #295f4e;
  --verdict-lt: #e8f3ef;
  --bronze:     #8a6742;
  --muted:      #4c5868;
  --stone:      #bfc5cd;
  --line:       #cfc7b8;
  --coal:       #101317;
  --red:        #8c3a32;
  --shadow:     rgba(17,22,31,.10);
}
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; scroll-behavior: smooth; }
body { font-family: "DM Sans","Segoe UI",Arial,sans-serif; font-weight: 400; line-height: 1.6; color: var(--graphite); background: var(--chalk); }
a { color: var(--verdict); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color .15s; }
a:hover { border-color: var(--verdict); }

.topbar { background: var(--graphite); color: #d0d6de; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; padding: 7px 48px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.topbar .conf { color: #7eb89a; font-weight: 600; }

nav { position: sticky; top: 0; z-index: 100; background: rgba(245,242,234,.97); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); padding: 0 48px; height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.nav-brand { display: flex; align-items: center; gap: 12px; }
.nav-logo { width: 28px; height: 28px; object-fit: contain; }
.nav-name { font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--graphite); }
.nav-links { display: flex; align-items: center; gap: 18px; list-style: none; font-size: .76rem; font-weight: 500; }
.nav-links a { color: var(--muted); border: none; transition: color .15s; }
.nav-links a:hover { color: var(--graphite); }

.page { max-width: 1100px; margin: 0 auto; padding: 0 48px; }
section { padding: 64px 0; border-bottom: 1px solid var(--line); }
section:last-child { border-bottom: none; }

.section-label { font-size: .68rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--verdict); margin-bottom: 10px; }
h1 { font-size: 2rem; font-weight: 700; line-height: 1.15; letter-spacing: -.02em; margin-bottom: 18px; }
h2 { font-size: 1.2rem; font-weight: 700; color: var(--verdict); margin: 40px 0 12px; letter-spacing: -.01em; }
h3 { font-size: .92rem; font-weight: 700; margin: 20px 0 8px; color: var(--graphite); }
p { margin-bottom: 12px; max-width: 70ch; color: var(--basalt); }
ul, ol { padding-left: 1.3rem; margin-bottom: 12px; color: var(--basalt); }
li { margin-bottom: 4px; }
strong { color: var(--graphite); font-weight: 600; }

.hero { background: var(--graphite); color: #e4eaf2; padding: 0; border: none; }
.hero-inner { max-width: 1100px; margin: 0 auto; padding: 80px 48px 72px; }
.hero-kicker { font-size: .72rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: #7eb89a; margin-bottom: 14px; }
.hero h1 { font-size: 2.8rem; color: #fff; max-width: 22ch; letter-spacing: -.03em; margin-bottom: 16px; }
.hero-sub { font-size: 1rem; color: var(--stone); max-width: 58ch; margin-bottom: 40px; }

.pillar-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.12); margin-bottom: 36px; max-width: 900px; }
.pillar { background: rgba(255,255,255,.04); padding: 18px 20px; }
.pillar strong { display: block; font-size: .92rem; font-weight: 700; color: #9fd4b8; margin-bottom: 4px; }
.pillar span { font-size: .72rem; color: var(--stone); line-height: 1.4; display: block; }

.live-panel { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 24px 0; }
.live-cell { background: #fff; padding: 20px 22px; }
.live-cell .lv { font-size: 1.5rem; font-weight: 700; color: var(--graphite); letter-spacing: -.02em; font-variant-numeric: tabular-nums; margin-bottom: 3px; }
.live-cell .lv.loading { color: var(--stone); font-size: 1rem; }
.live-cell .ll { font-size: .7rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.live-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #4caf77; margin-right: 6px; vertical-align: middle; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }

.tbl-wrap { overflow-x: auto; margin: 16px 0 28px; }
table { width: 100%; border-collapse: collapse; font-size: .82rem; }
th,td { border: 1px solid var(--line); padding: .38rem .6rem; text-align: left; vertical-align: top; line-height: 1.4; }
th { background: var(--card); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
td.num { text-align: right; font-variant-numeric: tabular-nums; font-family: "DM Mono",monospace; font-size: .8rem; }
td code { font-family: "DM Mono",monospace; font-size: .78rem; background: var(--card); padding: 1px 4px; border-radius: 3px; }
.stage { display: inline-block; font-size: .67rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--bronze); background: #f7f3ec; border: 1px solid #e2d8c8; padding: 1px 6px; border-radius: 3px; }
.stage-live { color: var(--verdict); background: var(--verdict-lt); border-color: #a3c9b8; }

.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 16px 0; }
.cards-3 { grid-template-columns: 1fr 1fr 1fr; }
.cards-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }
.card { background: #fff; border: 1px solid var(--line); padding: 18px 20px; }
.card h3 { font-size: .87rem; color: var(--verdict); margin: 0 0 10px; }
.card p,.card li { font-size: .82rem; margin-bottom: 6px; }
.card .note { font-size: .72rem; color: var(--muted); margin-top: 10px; border-top: 1px solid var(--line); padding-top: 8px; }

.flow { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 16px 0; font-size: .83rem; }
.flow-step { background: var(--card); border: 1px solid var(--line); padding: 6px 12px; border-radius: 3px; font-weight: 500; }
.flow-step .num { font-size: .67rem; font-weight: 700; color: var(--verdict); margin-right: 5px; }
.flow-arrow { color: var(--stone); font-size: .75rem; }

.code-block { background: var(--coal); color: #d8e0ea; border: 1px solid var(--basalt); padding: 16px 18px; font-family: "DM Mono",ui-monospace,monospace; font-size: .78rem; line-height: 1.5; overflow-x: auto; margin: 12px 0 20px; border-radius: 4px; }
.code-comment { color: #5c6e7a; }
.code-key { color: #9fd4b8; }
.code-val { color: #f4c97a; }
.code-str { color: #e8a98c; }

.guarantees { list-style: none; padding: 0; }
.guarantees li { display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: .88rem; color: var(--basalt); }
.guarantees li:first-child { padding-top: 0; }
.guarantees li:last-child { border-bottom: none; }
.gi { flex-shrink: 0; width: 20px; font-size: .72rem; font-weight: 700; color: var(--verdict); text-align: right; margin-top: 2px; }

.footnote { font-size: .72rem; color: var(--muted); line-height: 1.5; max-width: 90ch; margin-top: 10px; }
.alert { border-left: 4px solid var(--verdict); background: var(--verdict-lt); padding: 12px 16px; margin: 16px 0; font-size: .85rem; color: var(--graphite); border-radius: 0 4px 4px 0; }
.alert-warn { border-left-color: var(--bronze); background: #fdf6ee; }
.alert-info { border-left-color: #4c7aa8; background: #edf3f9; }

.badge-strip { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.badge { display: inline-flex; align-items: center; gap: 5px; font-size: .72rem; font-weight: 600; letter-spacing: .04em; border: 1px solid var(--line); background: #fff; padding: 4px 10px; border-radius: 3px; color: var(--muted); }
.badge.green { border-color: #a3c9b8; background: var(--verdict-lt); color: var(--verdict); }
.badge.amber { border-color: #d9c4a0; background: #fdf6ee; color: var(--bronze); }
.badge.blue { border-color: #a0bad4; background: #edf3f9; color: #2d5a80; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.three-col { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }

.doc-list { list-style: none; padding: 0; }
.doc-list li { display: flex; align-items: flex-start; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: .85rem; }
.doc-list li:last-child { border-bottom: none; }
.doc-icon { font-size: .9rem; color: var(--verdict); flex-shrink: 0; width: 18px; margin-top: 2px; }

footer { border-top: 1px solid var(--line); padding: 28px 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: .72rem; color: var(--muted); }
footer a { color: var(--muted); border-color: transparent; }
footer a:hover { color: var(--graphite); }

.oss-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; margin: 16px 0; }
.oss-card { background: #fff; border: 1px solid var(--line); padding: 16px 18px; }
.oss-card .name { font-size: .87rem; font-weight: 700; color: var(--graphite); margin-bottom: 4px; }
.oss-card .licence { font-size: .68rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--bronze); margin-bottom: 8px; }
.oss-card p { font-size: .8rem; color: var(--basalt); margin: 0; }

.stat-inline { display: inline-flex; align-items: baseline; gap: 6px; }
.stat-inline strong { font-size: 1.4rem; font-weight: 700; color: var(--verdict); letter-spacing: -.02em; }
.stat-inline span { font-size: .75rem; color: var(--muted); }

.nist-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; margin: 16px 0; }
.nist-card { border: 1px solid var(--line); background: #fff; padding: 14px 16px; }
.nist-card .fn { font-size: .78rem; font-weight: 700; color: var(--verdict); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 6px; }
.nist-card p { font-size: .8rem; color: var(--basalt); margin: 0; }

@media (max-width: 900px) {
  .topbar,nav,.hero-inner,.page { padding-left: 20px; padding-right: 20px; }
  .pillar-row { grid-template-columns: 1fr 1fr; }
  .live-panel { grid-template-columns: 1fr 1fr; }
  .cards,.cards-3,.cards-4,.two-col,.three-col,.oss-row,.nist-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  nav .nav-links { display: none; }
}