:root{
    --bg:#08080a;
    --bg-grade:#0d0e12;
    --ink:#f6f7f9;
    --muted:#8c93a1;
    --muted-2:#5d636f;
    --line:rgba(255,255,255,.10);
    --line-2:rgba(255,255,255,.055);
    --red:#ed1c24;        /* AMD-leaning vermilion */
    --red-hot:#ff3b30;
    --red-deep:#7a0d11;
    --panel:rgba(255,255,255,.035);
    --mono:"SFMono-Regular",ui-monospace,"JetBrains Mono","Roboto Mono",Menlo,Consolas,monospace;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;background:var(--bg);color:var(--ink);
    font-family:"Inter","Segoe UI","Noto Sans JP","Hiragino Sans","Yu Gothic UI",sans-serif;
    -webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.6;
    letter-spacing:.005em;
  }
  /* ambient field */
  body::before{
    content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
    background:
      radial-gradient(900px 520px at 78% -8%, rgba(237,28,36,.20), transparent 60%),
      radial-gradient(700px 700px at 8% 18%, rgba(237,28,36,.07), transparent 60%),
      linear-gradient(180deg,var(--bg),var(--bg-grade) 60%,var(--bg));
  }
  body::after{
    content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.45;
    background-image:
      linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
      linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(circle at 60% 30%,#000 0%,transparent 75%);
  }
  a{color:inherit;text-decoration:none}
  .wrap{width:min(1200px,calc(100% - 44px));margin:0 auto;position:relative;z-index:1}

  /* ── header ── */
  header.nav{
    position:sticky;top:0;z-index:40;
    backdrop-filter:blur(14px);
    background:linear-gradient(180deg,rgba(8,8,10,.85),rgba(8,8,10,.4));
    border-bottom:1px solid var(--line-2);
  }
  .nav-in{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}
  .brand{display:flex;align-items:center;min-width:0}
  .brand-logo{display:block;width:auto;height:30px;filter:drop-shadow(0 0 14px rgba(237,28,36,.25))}
  .nav-links{display:flex;align-items:center;gap:26px;font-size:13.5px;color:var(--muted)}
  .nav-links a{transition:color .2s}
  .nav-links a:hover{color:var(--ink)}
  .status-pill{
    font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:#ffb9bb;
    border:1px solid rgba(237,28,36,.4);background:rgba(237,28,36,.10);
    padding:7px 12px;display:inline-flex;align-items:center;gap:8px;text-transform:uppercase;
  }
  .status-pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--red-hot);box-shadow:0 0 10px var(--red-hot);animation:blink 2.4s ease-in-out infinite}
  @keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
  @media(max-width:860px){.nav-links{display:none}}

  /* ── hero ── */
  .hero{position:relative;padding:74px 0 40px;min-height:88vh;display:grid;grid-template-columns:1.02fr .98fr;gap:30px;align-items:center}
  @media(max-width:980px){.hero{grid-template-columns:1fr;min-height:auto;padding-top:54px}}
  .eyebrow{
    font-family:var(--mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;
    color:var(--muted);display:inline-flex;align-items:center;gap:12px;margin-bottom:26px;
  }
  .eyebrow b{color:var(--red-hot);font-weight:700}
  .eyebrow::before{content:"";width:30px;height:1px;background:linear-gradient(90deg,var(--red),transparent)}
  h1{
    margin:0;font-size:clamp(44px,7.4vw,92px);line-height:.96;letter-spacing:-.05em;font-weight:850;
  }
  h1 .l2{display:block;color:transparent;background:linear-gradient(96deg,#fff 8%,#ffd2cf 46%,var(--red-hot) 96%);-webkit-background-clip:text;background-clip:text}
  .lead{margin:30px 0 0;max-width:560px;color:#c4cad4;font-size:clamp(15.5px,1.7vw,18px);line-height:1.85}
  .lead b{color:#fff;font-weight:700}
  .cta-row{display:flex;flex-wrap:wrap;gap:13px;margin-top:36px}
  .btn{
    --pad:0 22px;display:inline-flex;align-items:center;gap:9px;min-height:50px;padding:var(--pad);
    font-weight:750;font-size:14.5px;letter-spacing:.01em;border:1px solid var(--line);
    background:rgba(255,255,255,.03);transition:transform .18s ease,border-color .2s,background .2s;
  }
  .btn:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.28)}
  .btn.primary{border:none;color:#fff;background:linear-gradient(120deg,var(--red),var(--red-deep));box-shadow:0 16px 40px rgba(237,28,36,.28)}
  .btn.primary:hover{box-shadow:0 22px 52px rgba(237,28,36,.42)}
  .btn .arr{font-family:var(--mono);transition:transform .18s}
  .btn:hover .arr{transform:translateX(3px)}

  /* hero scope visual */
  .scope{
    position:relative;aspect-ratio:1/1.04;min-height:430px;
    border:1px solid var(--line);background:
      linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.012)),
      radial-gradient(circle at 50% 22%,rgba(237,28,36,.16),transparent 55%);
    overflow:hidden;
    box-shadow:0 40px 110px rgba(0,0,0,.6),inset 0 0 0 1px rgba(255,255,255,.04);
  }
  .scope-mark{position:absolute;left:50%;top:45%;z-index:0;width:48%;height:auto;opacity:.045;transform:translate(-50%,-50%);pointer-events:none}
  .scope-corner{position:absolute;width:18px;height:18px;border:1.5px solid rgba(255,255,255,.4);z-index:5}
  .sc-tl{top:14px;left:14px;border-right:none;border-bottom:none}
  .sc-tr{top:14px;right:14px;border-left:none;border-bottom:none}
  .sc-bl{bottom:14px;left:14px;border-right:none;border-top:none}
  .sc-br{bottom:14px;right:14px;border-left:none;border-top:none}
  #flow{position:absolute;inset:0;z-index:1;width:100%;height:100%;display:block}
  .scope-readout{
    position:absolute;left:22px;right:22px;bottom:20px;z-index:6;
    font-family:var(--mono);font-size:11px;color:var(--muted);
  }
  .scope-readout .ln{display:flex;justify-content:space-between;gap:10px;padding:3px 0;border-top:1px solid var(--line-2)}
  .scope-readout .ln span:last-child{color:#cfd5de}
  .scope-readout .ok{color:#54e08a}
  .scope-tag{
    position:absolute;top:18px;left:50%;transform:translateX(-50%);z-index:6;
    font-family:var(--mono);font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);
  }

  /* ── ticker ── */
  .ticker{border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);overflow:hidden;margin-top:8px;background:rgba(255,255,255,.012)}
  .ticker-in{display:flex;gap:46px;padding:13px 0;white-space:nowrap;font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--muted-2);text-transform:uppercase;width:max-content;animation:slide 32s linear infinite}
  .ticker-in span{display:inline-flex;gap:46px}
  .ticker-in i{color:var(--red);font-style:normal}
  @keyframes slide{to{transform:translateX(-50%)}}

  /* ── section frame ── */
  section.block{padding:96px 0;position:relative}
  .sec-head{display:flex;align-items:baseline;gap:18px;margin-bottom:44px;flex-wrap:wrap}
  .sec-idx{font-family:var(--mono);font-size:12px;color:var(--red);letter-spacing:.2em}
  .sec-title{font-size:clamp(26px,3.4vw,40px);letter-spacing:-.035em;font-weight:820;margin:0}
  .sec-sub{color:var(--muted);font-size:14.5px;max-width:520px;margin-left:auto}

  /* ── services / pipeline ── */
  .pipe{display:grid;gap:0;border-top:1px solid var(--line)}
  .step{
    display:grid;grid-template-columns:90px 1fr;gap:0;
    border-bottom:1px solid var(--line);
    opacity:0;transform:translateY(26px);
    transition:opacity .7s ease,transform .7s ease;
  }
  .step.in{opacity:1;transform:none}
  .step-no{
    font-family:var(--mono);font-size:13px;color:var(--muted-2);padding:30px 0 30px 4px;letter-spacing:.1em;
    position:relative;
  }
  .step-no::after{content:"";position:absolute;right:0;top:0;bottom:0;width:1px;background:var(--line)}
  .step-body{padding:28px 0 28px 30px;display:grid;grid-template-columns:1fr;gap:8px}
  .step-tagrow{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
  .step-kicker{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--red-hot)}
  .step h3{margin:0;font-size:clamp(20px,2.4vw,27px);letter-spacing:-.025em;font-weight:780}
  .step p{margin:4px 0 0;color:var(--muted);max-width:680px;font-size:15px;line-height:1.8}
  .step .meta{font-family:var(--mono);font-size:11.5px;color:var(--muted-2);margin-top:10px;letter-spacing:.05em}
  .step:hover .step-no{color:var(--red)}
  .step{transition:opacity .7s ease,transform .7s ease,background .25s}
  .step:hover{background:linear-gradient(90deg,rgba(237,28,36,.05),transparent 70%)}
  @media(max-width:620px){.step{grid-template-columns:54px 1fr}.step-body{padding-left:20px}}

  /* ── overview split ── */
  .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px}
  @media(max-width:900px){.split{grid-template-columns:1fr}}
  .panel{
    border:1px solid var(--line);background:var(--panel);padding:32px;
    backdrop-filter:blur(10px);position:relative;
  }
  .panel::before{content:"";position:absolute;left:0;top:0;width:34px;height:2px;background:var(--red)}
  .panel h3{margin:0 0 22px;font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-family:var(--mono)}
  .kv{display:grid;gap:0}
  .kv > div{display:grid;grid-template-columns:128px 1fr;gap:18px;padding:14px 0;border-bottom:1px solid var(--line-2)}
  .kv > div:last-child{border-bottom:none}
  .kv dt{color:var(--muted-2);font-size:12.5px;font-family:var(--mono);letter-spacing:.04em;padding-top:1px}
  .kv dd{margin:0;font-size:15px;color:var(--ink)}
  .doclist{display:grid;gap:18px;margin:0;padding:0;list-style:none}
  .doclist li{display:grid;grid-template-columns:auto 1fr;gap:14px;color:#c4cad4;font-size:15px;line-height:1.7}
  .doclist li .n{font-family:var(--mono);font-size:12px;color:var(--red);padding-top:3px}

  /* ── audit feature ── */
  .audit{
    border:1px solid var(--line);position:relative;overflow:hidden;
    background:linear-gradient(135deg,rgba(237,28,36,.10),rgba(255,255,255,.02) 55%);
    padding:42px;
  }
  .audit-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}
  @media(max-width:860px){.audit-grid{grid-template-columns:1fr}}
  .audit h3{margin:0 0 8px;font-size:clamp(22px,2.8vw,32px);letter-spacing:-.03em;font-weight:820}
  .audit .sub{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--red-hot);margin-bottom:18px}
  .audit p{color:var(--muted);font-size:15px;line-height:1.85;max-width:560px;margin:0}
  .tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
  .tag{font-family:var(--mono);font-size:11.5px;letter-spacing:.05em;color:#d4dae3;border:1px solid var(--line);background:rgba(255,255,255,.03);padding:7px 11px}
  .tag.hot{border-color:rgba(237,28,36,.4);color:#ffb9bb;background:rgba(237,28,36,.08)}
  /* audit terminal */
  .term{border:1px solid var(--line);background:rgba(0,0,0,.4);font-family:var(--mono);font-size:12.5px;line-height:1.95}
  .term-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;border-bottom:1px solid var(--line);color:var(--muted-2);font-size:11px}
  .term-bar i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.2)}
  .term-bar i:nth-child(1){background:#ff5f57}.term-bar i:nth-child(2){background:#febc2e}.term-bar i:nth-child(3){background:#28c840}
  .term-bar b{margin-left:auto;font-weight:400;letter-spacing:.08em}
  .term-body{padding:16px 16px 18px;min-height:210px}
  .term-line{opacity:0;transform:translateY(6px);transition:opacity .4s,transform .4s;white-space:pre-wrap}
  .term.in .term-line{opacity:1;transform:none}
  .term .c-mut{color:var(--muted-2)}.term .c-red{color:var(--red-hot)}.term .c-grn{color:#54e08a}.term .c-blu{color:#5cc8ff}.term .c-ink{color:#e7ebf1}

  /* ── footer ── */
  footer{border-top:1px solid var(--line);padding:46px 0 60px;margin-top:30px}
  .foot-in{display:grid;grid-template-columns:1.4fr 1fr;gap:30px}
  @media(max-width:760px){.foot-in{grid-template-columns:1fr}}
  .foot-note{color:var(--muted-2);font-size:12.5px;line-height:1.85;max-width:640px}
  .foot-brand{display:flex;align-items:center;margin-bottom:16px}
  .foot-logo{display:block;width:auto;height:34px;filter:drop-shadow(0 0 14px rgba(237,28,36,.22))}
  .foot-right{text-align:right;color:var(--muted-2);font-size:12px;font-family:var(--mono);letter-spacing:.05em;display:flex;flex-direction:column;gap:6px;justify-content:flex-end}
  @media(max-width:760px){.foot-right{text-align:left}}

  @media(max-width:620px){
    .brand-logo{height:24px}
    .status-pill{padding:6px 9px;font-size:9px;letter-spacing:.08em}
    .foot-logo{height:29px}
  }

  /* reveal util */
  .rv{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
  .rv.in{opacity:1;transform:none}

  @media(prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important}
    .rv,.step,.term-line{opacity:1!important;transform:none!important}
  }