:root{
  --navy:#06252e; --navy2:#0b3943; --aqua:#18c7b1; --mint:#86eee0;
  --sand:#f3efe3; --paper:#fffdf8; --ink:#112f37; --muted:#5f7679;
  --line:#dfe6de; --orange:#c9822f; --red:#c65c5c; --blue:#3f74b8; --purple:#7059a6;
  --shadow:0 18px 45px rgba(6,37,46,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--sand);color:var(--ink);font:15px/1.6 Inter,Segoe UI,Arial,sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:Manrope,Arial,sans-serif;margin:0;color:var(--navy)}
p{margin:0}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}

/* ---------- top nav ---------- */
.topnav{position:sticky;top:0;z-index:40;background:rgba(243,239,227,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topnav .wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-family:Manrope;font-weight:800;color:var(--navy);letter-spacing:.2px}
.brand .mark{width:32px;height:32px;border-radius:9px;background:var(--navy);color:var(--mint);display:grid;place-items:center;font-size:17px}
.brand small{display:block;font-family:Inter;font-weight:600;font-size:9px;letter-spacing:1.5px;color:var(--muted)}
.navlinks{display:flex;gap:26px}
.navlinks a{font-size:13px;font-weight:600;color:var(--navy2);padding:6px 0;border-bottom:2px solid transparent}
.navlinks a:hover{border-color:var(--aqua)}
.navmeta{font-size:11px;color:var(--muted);font-weight:600}
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:34px;height:34px;border:0;background:none;cursor:pointer;padding:0}
.hamburger span{display:block;width:22px;height:2px;background:var(--navy);border-radius:2px}

/* ---------- mobile full-screen menu ---------- */
.mobile-menu{position:fixed;inset:0;z-index:60;background:var(--navy);color:var(--mint);display:none;flex-direction:column;overflow-y:auto;padding:0 0 30px}
.mobile-menu.open{display:flex}
.mm-top{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid rgba(255,255,255,.1)}
.mobile-menu .brand{color:#fff}
.mobile-menu .brand .mark{background:var(--orange);color:var(--navy)}
.mobile-menu .brand small{color:#9fc4c1}
.mm-close{width:34px;height:34px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:none;color:#fff;font-size:16px;cursor:pointer}
.mm-links{display:flex;flex-direction:column;padding:6px 22px}
.mm-links a{padding:17px 0;border-bottom:1px solid rgba(255,255,255,.08);font-family:Manrope;font-weight:600;font-size:17px;color:#dff5f1}
.mm-actions{display:flex;flex-direction:column;gap:12px;padding:22px}
.mm-actions .btn{justify-content:center;width:100%}
.mm-actions .btn.primary{background:var(--orange);border-color:var(--orange);color:var(--navy)}
.mm-actions .btn.ghost{border-color:rgba(255,255,255,.35);color:#fff}
.mm-ledger{margin:6px 22px 0;padding:18px;border:1px solid rgba(255,255,255,.12);border-radius:12px;background:rgba(255,255,255,.04)}
.mm-ledger small{display:block;color:#9fc4c1;font-size:10.5px;font-weight:700;letter-spacing:.5px;margin-bottom:12px}
.mm-ledger-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-top:1px dashed rgba(255,255,255,.12)}
.mm-ledger-row:first-of-type{border-top:0}
.mm-ledger-row span{font-size:13px;color:#cfe6e2}
.mm-ledger-row b{font-family:Manrope;font-size:18px;color:var(--orange)}

/* ---------- hero ---------- */
.hero{padding:76px 0 54px;border-bottom:1px solid var(--line)}
.hero .kicker{font-size:12px;font-weight:700;color:var(--aqua);letter-spacing:.3px}
.hero h1{font-size:clamp(34px,5vw,54px);line-height:1.08;margin:16px 0 20px;max-width:780px}
.hero h1 i{font-style:normal;color:var(--aqua)}
.hero p.lead{max-width:600px;color:var(--navy2);font-size:16.5px;line-height:1.7}
.hero-actions{display:flex;gap:12px;margin-top:28px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 20px;border-radius:10px;font-weight:700;font-size:14px;border:1px solid var(--navy);cursor:pointer;background:transparent;color:var(--navy)}
.btn.primary{background:var(--navy);color:var(--mint);border-color:var(--navy)}
.btn.primary:hover{background:var(--navy2)}
.btn.ghost:hover{border-color:var(--aqua);color:var(--aqua)}

/* ---------- ledger (stat strip) ---------- */
.ledger{border-bottom:1px solid var(--line);background:var(--paper)}
.ledger .wrap{display:grid;grid-template-columns:repeat(5,1fr);padding:0}
.ledger div{padding:26px 22px;border-left:1px solid var(--line)}
.ledger div:first-child{border-left:0}
.ledger small{display:block;color:var(--muted);font-size:10.5px;font-weight:700;letter-spacing:.6px}
.ledger strong{display:block;font-family:Manrope;font-size:29px;color:var(--navy);margin:6px 0 3px}
.ledger em{font-style:normal;color:#8a9a97;font-size:11px}

/* ---------- section scaffolding ---------- */
section.block{padding:64px 0}
section.block.alt{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:baseline;gap:14px;margin-bottom:34px}
.section-head .num{font-family:Manrope;font-weight:800;color:var(--aqua);font-size:13px}
.section-head h2{font-size:26px}
.section-sub{color:var(--muted);max-width:640px;margin:10px 0 0;line-height:1.65}

/* ---------- live reports (tabs) ---------- */
.tabbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.tabbtn{padding:11px 16px;border-radius:9px;border:1px solid var(--line);background:var(--paper);font-weight:700;font-size:12.5px;color:var(--navy2);cursor:pointer}
.tabbtn.active{background:var(--navy);color:var(--mint);border-color:var(--navy)}
.reportpanel{display:none;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:var(--shadow)}
.reportpanel.active{display:grid;grid-template-columns:1fr 1.4fr;gap:30px}
.reportpanel .rp-meta span{display:block;font-size:10.5px;font-weight:700;color:var(--aqua);letter-spacing:.5px;margin-bottom:8px}
.reportpanel .rp-meta h3{font-size:20px;margin-bottom:10px}
.reportpanel .rp-meta p{color:var(--muted);line-height:1.7;margin-bottom:18px}
.dl-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:13px;color:var(--navy);border-bottom:2px solid var(--aqua);padding-bottom:2px}
.rp-preview{background:linear-gradient(150deg,var(--navy),var(--navy2));border-radius:13px;padding:24px;color:#dff5f1;display:flex;flex-direction:column;justify-content:center;min-height:180px}
.rp-preview .icon{font-size:30px;margin-bottom:10px}
.rp-preview b{font-family:Manrope;font-size:16px}
.rp-preview small{color:#9fc4c1;line-height:1.6;display:block;margin-top:8px}

/* ---------- data model ---------- */
.model{display:grid;grid-template-columns:260px 1fr;gap:0;align-items:start;position:relative}
.dim-card{background:var(--navy);color:var(--mint);border-radius:14px;padding:22px;position:sticky;top:90px}
.dim-card span{font-size:10px;font-weight:700;letter-spacing:1px;color:#7fd8cb}
.dim-card h3{color:#fff;font-size:18px;margin:8px 0 10px}
.dim-card ul{margin:0;padding-left:18px;color:#bfe4de;font-size:12.5px;line-height:2}
.fact-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding-left:34px}
.fact-card{background:var(--paper);border:1px solid var(--line);border-radius:13px;padding:18px;position:relative}
.fact-card:before{content:"";position:absolute;left:-34px;top:50%;width:34px;height:1px;background:var(--line)}
.fact-card b{display:block;font-family:Manrope;font-size:14.5px;color:var(--navy);margin-bottom:5px}
.fact-card span.cols{display:block;color:var(--muted);font-size:11.5px;line-height:1.6;margin-bottom:10px}
.fact-card em{font-style:normal;font-size:11px;color:var(--aqua);font-weight:700}

/* ---------- pipeline ---------- */
.pipeline{display:grid;gap:0;max-width:820px}
.pstep{display:grid;grid-template-columns:38px 46px 1fr;gap:16px;align-items:center;padding:18px 0;border-bottom:1px dashed var(--line)}
.pstep:last-child{border-bottom:0}
.pstep .pnum{width:30px;height:30px;border-radius:50%;background:var(--navy);color:var(--mint);display:grid;place-items:center;font-size:11px;font-weight:800}
.pstep .picon{font-size:24px;text-align:center}
.pstep h4{font-size:15px;margin-bottom:4px}
.pstep p{color:var(--muted);font-size:13px;line-height:1.6}

/* ---------- repository ---------- */
.repo-list{border:1px solid var(--line);border-radius:13px;overflow:hidden;background:var(--paper)}
.repo-row{display:grid;grid-template-columns:1.6fr 2fr auto auto;gap:16px;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}
.repo-row:last-child{border-bottom:0}
.repo-row .ricon{font-size:18px}
.repo-row .rhead{display:flex;align-items:center;gap:10px}
.repo-row b{font-family:Manrope;font-size:13.5px}
.repo-row .rdesc{color:var(--muted);font-size:12.5px;line-height:1.5}
.repo-row .rsize{color:#8a9a97;font-size:11.5px;white-space:nowrap}
.repo-row a{font-weight:700;font-size:12px;color:var(--navy);border-bottom:2px solid var(--aqua);white-space:nowrap}

/* ---------- team ---------- */
.team-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:16px}
.tcard{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:22px}
.tcard .avatar{width:46px;height:46px;border-radius:50%;background:var(--aqua);color:var(--navy);display:grid;place-items:center;font-family:Manrope;font-weight:800;font-size:15px;margin-bottom:14px}
.tcard h4{font-size:15px;margin-bottom:4px}
.tcard .role{display:block;color:#0e7c66;font-size:11px;font-weight:700;letter-spacing:.3px;margin-bottom:8px}
.tcard p{color:var(--muted);font-size:12px;line-height:1.6}
.mentor-row{border:1px solid var(--line);border-radius:14px;padding:20px 22px;display:flex;align-items:center;gap:16px;background:linear-gradient(120deg,#eef7f5,var(--paper))}
.mentor-row .avatar{width:46px;height:46px;border-radius:50%;background:var(--navy);color:var(--mint);display:grid;place-items:center;font-family:Manrope;font-weight:800;flex:none}
.mentor-row b{font-family:Manrope;font-size:14.5px;display:block}
.mentor-row span{color:var(--muted);font-size:12px}

/* ---------- setup ---------- */
.setup-list{display:grid;gap:0;max-width:720px}
.sstep{display:grid;grid-template-columns:30px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.sstep:last-child{border-bottom:0}
.sstep .snum{font-family:Manrope;font-weight:800;color:var(--aqua);font-size:13px}
.sstep h4{font-size:14.5px;margin-bottom:6px}
.sstep p{color:var(--muted);font-size:13px;line-height:1.6}
.sstep code, pre.codeblock{background:var(--navy);color:#c9f5ee;border-radius:8px;padding:12px 14px;display:block;font:12px/1.6 'SFMono-Regular',Consolas,monospace;margin-top:8px;overflow-x:auto}

/* ---------- credits ---------- */
.credit-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.credit-block b{display:block;font-family:Manrope;font-size:13px;color:var(--aqua);letter-spacing:.3px;margin-bottom:8px}
.credit-block h3{font-size:17px;margin-bottom:4px}
.credit-block span{color:var(--muted);font-size:12.5px}
.credit-block ul{margin:10px 0 0;padding:0;list-style:none}
.credit-block li{padding:8px 0;border-top:1px solid var(--line);font-size:12.5px}
.credit-block li b{display:inline;color:var(--navy);font-family:Inter;font-size:12.5px}
.disclaimer{margin-top:24px;padding:16px 18px;background:#fbf6ea;border:1px solid #e9dcb8;border-radius:10px;color:#6b5d38;font-size:12px;line-height:1.7}

/* ---------- footer ---------- */
footer{padding:30px 0;color:var(--muted);font-size:12px;text-align:center;border-top:1px solid var(--line)}
footer a{color:var(--teal,#1f8a8a);text-decoration:underline}
footer b{color:var(--navy)}

/* ---------- responsive ---------- */
@media(max-width:920px){
  .navlinks{display:none}
  .navmeta{display:none}
  .hamburger{display:flex}
  .ledger .wrap{grid-template-columns:repeat(2,1fr)}
  .ledger div:nth-child(3){border-left:0}
  .reportpanel.active{grid-template-columns:1fr}
  .model{grid-template-columns:1fr}
  .dim-card{position:static;margin-bottom:16px}
  .fact-grid{padding-left:0;grid-template-columns:1fr}
  .fact-card:before{display:none}
  .team-row{grid-template-columns:1fr 1fr}
  .credit-grid{grid-template-columns:1fr}
  .repo-row{grid-template-columns:1fr;text-align:left}
}
/* ---------- scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.16,.84,.44,1),transform .7s cubic-bezier(.16,.84,.44,1);will-change:opacity,transform}
.reveal.in-view{opacity:1;transform:translateY(0)}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
}


/* ---------- download gate modal ---------- */
.gate-overlay{display:none;position:fixed;inset:0;background:rgba(6,37,46,.72);z-index:200;align-items:center;justify-content:center;padding:20px}
.gate-overlay.open{display:flex}
.gate-box{background:var(--paper,#fffdf8);border-radius:16px;max-width:420px;width:100%;padding:32px;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.gate-box h3{font-family:Manrope,Arial,sans-serif;font-size:20px;margin-bottom:8px;color:var(--navy,#06252e)}
.gate-box p{color:var(--muted,#5f7679);font-size:13.5px;line-height:1.6;margin-bottom:20px}
.gate-box label{display:block;font-size:12px;font-weight:700;color:var(--navy,#06252e);margin-bottom:6px;margin-top:14px}
.gate-box input{width:100%;padding:11px 12px;border:1px solid var(--line,#dfe6de);border-radius:8px;font-size:14px;font-family:inherit}
.gate-box input:focus{outline:none;border-color:var(--aqua,#18c7b1)}
.gate-actions{display:flex;gap:10px;margin-top:22px}
.gate-actions button{flex:1;padding:12px;border-radius:9px;font-weight:700;font-size:13.5px;cursor:pointer;border:1px solid var(--navy,#06252e)}
.gate-submit{background:var(--navy,#06252e);color:#fff}
.gate-cancel{background:transparent;color:var(--navy,#06252e)}
.gate-error{color:#c65c5c;font-size:12px;margin-top:8px;display:none}
.gate-filename{font-size:12px;color:var(--aqua,#18c7b1);font-weight:700;margin-bottom:4px;word-break:break-all}