:root{
  --ink:#14171a;
  --ink-soft:#3d454a;
  --muted:#6b7480;
  --line:#dde1e3;
  --line-soft:#eef0f1;
  --bg:#ffffff;
  --bg-soft:#f5f6f7;
  --accent:#0a4d78;
  --accent-deep:#073a5c;
  --accent-tint:#e8f0f6;
  --sans:'IBM Plex Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  --ease:cubic-bezier(.16,.8,.24,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
::selection{background:var(--accent);color:#fff}

/* ---------- header ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;padding:20px 6vw;background:#fff;position:sticky;top:0;z-index:30;border-bottom:1px solid transparent;transition:box-shadow .35s var(--ease),border-color .35s var(--ease),padding .35s var(--ease)}
.topbar.scrolled{border-color:var(--line);box-shadow:0 10px 30px rgba(10,20,30,.05);padding-top:14px;padding-bottom:14px}
.topbar .wordmark{font-weight:700;font-size:16px;letter-spacing:.005em;text-decoration:none;color:var(--ink);display:flex;align-items:center;gap:9px}
.topbar .wordmark .mark{width:9px;height:9px;background:var(--accent)}
.topbar .wordmark span{color:var(--accent)}
.topbar nav{display:flex;gap:30px;align-items:center}
.topbar nav a{color:var(--ink-soft);text-decoration:none;font-size:13.5px;position:relative;padding:2px 0}
.topbar nav a:not(.cta)::after{content:'';position:absolute;left:0;right:100%;bottom:-3px;height:1.5px;background:var(--accent);transition:right .3s var(--ease)}
.topbar nav a:not(.cta):hover::after{right:0}
.topbar nav a:not(.cta):hover{color:var(--ink)}
.topbar nav a.cta{background:var(--accent);color:#fff;padding:10px 18px;font-weight:600;letter-spacing:.01em;transition:background .25s var(--ease),transform .25s var(--ease)}
.topbar nav a.cta:hover{background:var(--accent-deep);transform:translateY(-1px)}

/* ---------- hero ---------- */
.hero{background:#fff;padding:68px 6vw 0;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero .inner{max-width:900px;margin:0 auto;padding-bottom:56px}
.hero-rule{width:0;height:3px;background:var(--accent);margin-bottom:22px;animation:growline .9s .15s var(--ease) forwards}
@keyframes growline{to{width:34px}}
.kicker{display:flex;align-items:center;gap:10px;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:20px}
.kicker .dash{width:20px;height:2px;background:var(--accent)}
.hero h1{font-weight:700;font-size:clamp(30px,4.4vw,46px);line-height:1.16;letter-spacing:-.012em;margin:0 0 22px;color:var(--ink)}
.hero p.lead{font-size:17.5px;line-height:1.7;color:var(--ink-soft);max-width:720px;margin:0 0 32px}
.hero-anim > *{opacity:0;transform:translateY(14px);animation:heroin .7s var(--ease) forwards}
.hero-anim > *:nth-child(1){animation-delay:.05s}
.hero-anim > *:nth-child(2){animation-delay:.15s}
.hero-anim > *:nth-child(3){animation-delay:.25s}
.hero-anim > *:nth-child(4){animation-delay:.35s}
.hero-anim > *:nth-child(5){animation-delay:.45s}
@keyframes heroin{to{opacity:1;transform:translateY(0)}}

.btnrow{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 24px;font-size:14px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:var(--sans);transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(10,77,120,.22)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}

/* ---------- layout ---------- */
main{max-width:900px;margin:0 auto;padding:64px 6vw}
section{margin-bottom:60px}
h2{font-weight:700;font-size:26px;color:var(--ink);margin:0 0 18px;letter-spacing:-.008em}
h3{font-weight:700;font-size:17px;color:var(--ink);margin:0 0 8px}
p{margin:0 0 14px;color:var(--ink-soft)}
.muted{color:var(--muted)}
.small{font-size:13.5px}
.rule{width:0;height:2px;background:var(--accent);margin:0 0 26px}
.eyebrow{font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:10px;display:flex;align-items:center;gap:10px}
.eyebrow .dash{width:18px;height:2px;background:var(--accent)}

/* ---------- reveal-on-scroll ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .65s var(--ease),transform .65s var(--ease)}
.reveal.is-visible{opacity:1;transform:translateY(0)}
.reveal-group.is-visible > *{opacity:1;transform:translateY(0) scale(1)}
.reveal-group > *{opacity:0;transform:translateY(16px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal-group.is-visible > *:nth-child(1){transition-delay:.02s}
.reveal-group.is-visible > *:nth-child(2){transition-delay:.1s}
.reveal-group.is-visible > *:nth-child(3){transition-delay:.18s}
.reveal-group.is-visible > *:nth-child(4){transition-delay:.26s}
.reveal-group.is-visible > *:nth-child(5){transition-delay:.34s}
.reveal-group.is-visible > *:nth-child(6){transition-delay:.42s}

/* ---------- fact grid ---------- */
.factgrid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);margin:18px 0 8px}
.factcard{padding:24px 22px;border-right:1px solid var(--line)}
.factcard:last-child{border-right:none}
.factcard .num{font-size:26px;color:var(--accent);font-weight:700;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.factcard .lbl{font-size:12.5px;color:var(--muted);margin-top:8px;line-height:1.5}

/* ---------- callouts ---------- */
.callout{background:var(--bg-soft);border-left:3px solid var(--accent);padding:20px 22px;margin:20px 0}
.callout.warn{background:#fdf6ea;border-left-color:#b8863f}
.callout h3{margin-bottom:6px}

/* ---------- timeline ---------- */
.timeline-wrap{position:relative;padding-left:26px}
.timeline-wrap::before{content:'';position:absolute;left:4px;top:6px;bottom:6px;width:2px;background:var(--line-soft)}
.timeline-progress{position:absolute;left:4px;top:6px;width:2px;height:0;background:var(--accent);transition:height .1s linear}
.timeline{list-style:none;margin:0;padding:0}
.timeline li{position:relative;margin-bottom:24px}
.timeline li::before{content:'';position:absolute;left:-26px;top:5px;width:10px;height:10px;border-radius:50%;background:var(--line);border:2px solid #fff;box-shadow:0 0 0 1px var(--line);transition:background .3s var(--ease),box-shadow .3s var(--ease)}
.timeline li.done::before{background:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.timeline li.open::before{background:#fff}
.timeline .tdate{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.timeline .ttitle{font-weight:700;margin:3px 0 3px;color:var(--ink)}

/* ---------- step cards ---------- */
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.cardstep{background:#fff;padding:24px 22px;transition:background .3s var(--ease);display:flex;flex-direction:column}
.cardstep:hover{background:var(--bg-soft)}
.cardstep .stepno{font-size:12px;color:var(--accent);font-weight:700;letter-spacing:.08em;margin-bottom:10px;transition:color .3s var(--ease)}
.cardstep.done{background:var(--accent-tint)}
.cardstep.done:hover{background:var(--accent-tint)}
.cardstep.done h3{color:var(--ink-soft);text-decoration:line-through;text-decoration-color:var(--accent);text-decoration-thickness:1.5px}

/* ---------- tracker ---------- */
.tracker-head{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:20px 0 4px;padding:16px 20px;background:var(--bg-soft);border:1px solid var(--line)}
.tracker-progress-label{font-size:13.5px;font-weight:700;color:var(--ink);white-space:nowrap}
.progress-bar-outer{flex:1;min-width:120px;height:6px;background:var(--line);border-radius:999px;overflow:hidden}
.progress-bar-inner{height:100%;width:0%;background:var(--accent);border-radius:999px;transition:width .5s var(--ease)}
.tracker-reset{background:none;border:1px solid var(--line);color:var(--muted);font-size:12px;font-weight:600;padding:8px 14px;cursor:pointer;font-family:var(--sans);transition:border-color .2s var(--ease),color .2s var(--ease)}
.tracker-reset:hover{border-color:var(--accent);color:var(--accent)}

.step-check{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--ink-soft);margin-top:16px;cursor:pointer;user-select:none}
.step-check input{width:15px;height:15px;accent-color:var(--accent);cursor:pointer;flex-shrink:0}
.step-note{width:100%;margin-top:8px;padding:9px 11px;border:1px solid var(--line);font-family:var(--sans);font-size:12.5px;background:#fdfdfd;min-height:48px;resize:vertical;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.step-note:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-tint)}

/* ---------- faq ---------- */
.faq details{border:1px solid var(--line);padding:16px 20px;margin-bottom:8px;transition:border-color .25s var(--ease)}
.faq details:hover{border-color:var(--accent)}
.faq summary{font-weight:700;cursor:pointer;color:var(--ink);list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-size:20px;font-weight:400;color:var(--accent);transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{margin-top:12px}

/* ---------- form ---------- */
.formbox{border:1px solid var(--line);padding:32px}
.formbox form{display:grid;gap:14px;margin-top:18px}
.formbox label{font-size:12.5px;font-weight:700;color:var(--ink);margin-bottom:4px;display:block;letter-spacing:.01em}
.formbox input,.formbox select,.formbox textarea{width:100%;padding:12px 14px;border:1px solid var(--line);font-family:var(--sans);font-size:14.5px;background:#fdfdfd;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.formbox input:focus,.formbox select:focus,.formbox textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-tint)}
.formbox textarea{min-height:90px;resize:vertical}
.formbox .row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.formbox .hint{font-size:12.5px;color:var(--muted);margin-top:-4px}

.sources{font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:18px;margin-top:8px}
.sources a{color:var(--accent)}

.disclaimer{background:var(--bg-soft);border:1px dashed var(--line);padding:16px 20px;font-size:13.5px;color:var(--muted)}

footer{background:var(--ink);color:rgba(255,255,255,.55)}
.foot{display:flex;align-items:center;justify-content:space-between;padding:26px 6vw;flex-wrap:wrap;gap:14px;max-width:1180px;margin:0 auto}
.foot .fm{color:rgba(255,255,255,.85);font-weight:700;font-size:14px}
.foot .links{display:flex;gap:20px;flex-wrap:wrap}
.foot a{color:rgba(255,255,255,.6);text-decoration:none;font-size:13px;transition:color .2s var(--ease)}
.foot a:hover{color:#fff}

@media(max-width:820px){
  .factgrid,.cards3,.formbox .row2{grid-template-columns:1fr}
  .factcard{border-right:none;border-bottom:1px solid var(--line)}
  .factcard:last-child{border-bottom:none}
  .cards3{gap:1px}
  .topbar nav a:not(.cta){display:none}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal,.reveal-group>*,.hero-anim>*,.hero-rule{opacity:1!important;transform:none!important;animation:none!important;transition:none!important}
}