/* HDscript public page. No scripts, no external requests; fonts are the wordmark's own two small subsets. */
@font-face{font-family:"HDs Sans";font-style:normal;font-weight:700;font-display:block;src:url(fonts/wordmark-sans-700.woff2) format("woff2")}
@font-face{font-family:"HDs Serif";font-style:italic;font-weight:500;font-display:block;src:url(fonts/wordmark-serif-italic-500.woff2) format("woff2")}
:root{
  --bg:#f4f7fc; --bg2:#e8f0fb; --surface:#fff; --border:#dbe4f2; --t1:#14202e; --t2:#47576b; --t3:#6b7a8d;
  --blue-t:#1a4a8a; --lg-deep:#123766; --accent:#1a4a8a; --on-accent:#fff; --wave1:#d6e4f8; --wave2:#c4d8f4;
  --shadow:0 1px 2px rgba(20,32,46,.06),0 8px 24px rgba(20,32,46,.06);
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#14181f; --bg2:#182131; --surface:#1b2230; --border:#2c384a; --t1:#eaf0f8; --t2:#b4c0d0; --t3:#8d9bb0;
    --blue-t:#a3c6f5; --lg-deep:#3d74c2; --accent:#a3c6f5; --on-accent:#10233d; --wave1:#1c2b44; --wave2:#223654;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25); }
}
*{box-sizing:border-box}
.defs{position:absolute;width:0;height:0;overflow:hidden}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--bg);color:var(--t1);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-text-size-adjust:100%}
a{color:var(--blue-t)}
h1,h2,h3{line-height:1.2;margin:0;color:var(--t1)}
p{margin:0 0 1em}
.wrap{width:100%;max-width:1040px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--surface);color:var(--t1);padding:8px 12px;border-radius:8px;z-index:20}
.skip:focus{left:12px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}

/* header */
.top{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--border)}
.top-in{display:flex;align-items:center;gap:20px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--t1)}
.logo{width:34px;height:34px;display:block;overflow:visible;flex:none}
.wm{font-family:"HDs Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;font-weight:700;font-size:24px;letter-spacing:-.2px;line-height:1;white-space:nowrap}
.wm .s{font-family:"HDs Serif",Georgia,"Times New Roman",serif;font-style:italic;font-weight:500;color:var(--blue-t)}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{color:var(--t2);text-decoration:none;font-size:15px;padding:8px 12px;border-radius:8px}
.nav a:hover{background:var(--bg2);color:var(--t1)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 20px;border-radius:10px;font-size:15px;font-weight:600;text-decoration:none;border:1px solid transparent;white-space:nowrap}
.btn-main{background:var(--accent);color:var(--on-accent)}
.btn-main:hover{filter:brightness(1.08)}
.btn-quiet{background:var(--surface);color:var(--blue-t);border-color:var(--border)}
.btn-quiet:hover{border-color:var(--blue-t)}

/* hero */
.hero{position:relative;overflow:hidden;padding:72px 0 120px;background:linear-gradient(180deg,var(--bg2),var(--bg))}
.hero .wrap{position:relative;z-index:1}
.eyebrow{font-size:14px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--t3);margin:0 0 14px}
.hero h1{font-size:clamp(34px,6vw,56px);letter-spacing:-.02em;max-width:24ch}
.hero h1 span{display:block;color:var(--blue-t)}
.lead{font-size:clamp(17px,2.4vw,20px);color:var(--t2);max-width:40em;margin:22px 0 28px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin:0 0 28px}
.status{max-width:44em;font-size:14px;color:var(--t2);background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px 16px;margin:0;box-shadow:var(--shadow)}
.waves{position:absolute;left:0;right:0;bottom:0;width:100%;height:150px;pointer-events:none}
.waves .w1{fill:var(--wave1);opacity:.7}
.waves .w2{fill:var(--wave2);opacity:.55}

/* sections */
.block{padding:64px 0}
.alt{background:var(--bg2)}
.block h2{font-size:clamp(26px,4vw,34px);letter-spacing:-.01em;margin-bottom:12px}
.block h3{font-size:18px}
.intro{color:var(--t2);max-width:44em;font-size:17px;margin-bottom:28px}
.sub{margin:32px 0 6px}
.cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:22px;box-shadow:var(--shadow)}
.card h3{margin:12px 0 6px}
.card p{margin:0;color:var(--t2);font-size:15px}
.ico{display:inline-flex;width:42px;height:42px;border-radius:12px;background:var(--bg2);align-items:center;justify-content:center}
.ico svg{width:24px;height:24px;fill:none;stroke:var(--blue-t);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.steps{list-style:none;margin:24px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.steps li{display:flex;gap:14px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px;box-shadow:var(--shadow)}
.n{flex:none;width:34px;height:34px;border-radius:50%;background:var(--accent);color:var(--on-accent);font-weight:700;display:flex;align-items:center;justify-content:center}
.steps h3{margin:2px 0 4px;font-size:17px}
.steps p{margin:0;color:var(--t2);font-size:15px}
.two{display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:start}
.ticks{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:12px}
.ticks li{position:relative;padding-left:30px;color:var(--t2)}
.ticks li::before{content:"";position:absolute;left:0;top:.35em;width:18px;height:18px;border-radius:50%;background:var(--bg2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231a4a8a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center/12px no-repeat}
.aside{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:22px;box-shadow:var(--shadow)}
.aside h3{margin:0 0 6px}
.aside p{color:var(--t2);font-size:15px}
.aside p:last-child{margin:0}
.aside h3+p{margin-bottom:18px}
.notfor{margin:0;padding-left:18px;color:var(--t2);font-size:15px}
.notfor li{margin:2px 0}
.contact .intro{margin:0}
.foot{border-top:1px solid var(--border);padding:22px 0;font-size:14px;color:var(--t3)}
.foot-in{display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center}
.foot a{color:var(--t2)}
.fine{margin-left:auto}

@media (max-width:860px){
  .nav{display:none}
  .btn-quiet.top-cta{display:none}
  .top-in{justify-content:space-between}
  .cards,.steps,.two{grid-template-columns:1fr}
  .hero{padding:44px 0 100px}
  .fine{margin-left:0}
}
@media (max-width:480px){
  .top .btn{padding:0 14px;min-height:38px;font-size:14px}
  .block{padding:48px 0}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}