/* Jistota pro Ukrajince — DRAFT prototyp (statický vizuál)
   Barvy/typografie jsou placeholder, sladí se s vizuální identitou OPU. */
:root{
  --container:1100px;
  --c-ink:#15202b; --c-ink-soft:#51616f; --c-bg:#fff; --c-bg-soft:#f3f7fc;
  --c-primary:#13497a; --c-primary-d:#0e3961; --c-accent:#f4a300; --c-accent-d:#d98c00;
  --c-line:#e3e9f1; --c-ok:#1f9d57;
  --radius:18px; --radius-sm:11px;
  --shadow:0 14px 40px rgba(16,37,66,.14); --shadow-sm:0 5px 16px rgba(16,37,66,.09);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--c-ink);background:var(--c-bg);line-height:1.6;font-size:17px}
img{max-width:100%;display:block}
a{color:var(--c-primary)}
h1,h2,h3{line-height:1.15;margin:0 0 .4em}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.muted{color:var(--c-ink-soft)}
.center{text-align:center}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;border:0;cursor:pointer;
  font:inherit;font-weight:700;padding:15px 28px;border-radius:999px;text-decoration:none;
  transition:transform .12s,box-shadow .15s,background .15s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-accent);color:#3a2a00;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--c-accent-d)}
.btn-ghost{background:#fff;color:var(--c-primary);border:2px solid var(--c-line)}
.btn-ghost:hover{border-color:var(--c-primary)}
.btn-block{width:100%}
.btn-lg{font-size:18px;padding:17px 32px}

/* Draft banner */
.draft{background:#fff7e6;border-bottom:1px solid #f3dca0;color:#7a5b00;font-size:14px}
.draft .container{display:flex;gap:14px;align-items:center;flex-wrap:wrap;padding:9px 20px}
.draft b{color:#5e4500}
.draft-nav{margin-left:auto;display:flex;gap:14px}
.draft-nav a{color:#7a5b00;font-weight:600;text-decoration:underline;white-space:nowrap}
.draft-nav a:hover{color:#5e4500}
.draft button{background:0;border:0;cursor:pointer;color:#7a5b00;font-size:18px;line-height:1}

/* Header */
.site-head{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line)}
.site-head .container{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;text-decoration:none;color:var(--c-ink)}
.brand .logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--c-primary),#2f74b8);
  display:grid;place-items:center;color:#fff;font-weight:800}
.brand small{display:block;font-weight:600;color:var(--c-ink-soft);font-size:12px;letter-spacing:.02em}
.site-nav{margin-left:auto;display:flex;gap:22px;align-items:center}
.site-nav a{text-decoration:none;color:var(--c-ink-soft);font-weight:600;font-size:15px}
.site-nav a:hover{color:var(--c-ink)}
.site-nav .btn{padding:10px 20px}
@media(max-width:820px){.site-nav a:not(.btn){display:none}}

/* Hero */
.hero{position:relative;background:
  radial-gradient(1200px 500px at 80% -10%, rgba(244,163,0,.18), transparent 60%),
  linear-gradient(160deg,#0e3961 0%, #13497a 45%, #1c5c95 100%);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;opacity:.10;pointer-events:none;
  background-image:radial-gradient(circle at 1px 1px,#fff 1px,transparent 0);background-size:26px 26px}
.hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:46px;
  padding:64px 20px 72px;align-items:start}
.hero h1{font-size:clamp(32px,4.6vw,52px);letter-spacing:-.01em}
.hero .lead{font-size:19px;color:#dbe8f5;max-width:54ch}
.hero ul.points{list-style:none;padding:0;margin:22px 0 26px;display:grid;gap:10px}
.hero ul.points li{padding-left:30px;position:relative;color:#eaf2fa}
.hero ul.points li::before{content:"✓";position:absolute;left:0;top:0;color:var(--c-accent);font-weight:900}
.tag{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);
  color:#fff;padding:6px 13px;border-radius:999px;font-size:13px;font-weight:700;margin-bottom:18px}
@media(max-width:880px){.hero .container{grid-template-columns:1fr;gap:30px;padding:40px 20px 52px}}

/* Signup card + thermometer */
.signup{background:#fff;color:var(--c-ink);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:24px;position:sticky;top:80px}
.signup h2{font-size:23px;margin-bottom:4px}
.thermo{background:var(--c-bg-soft);border:1px solid var(--c-line);border-radius:var(--radius-sm);
  padding:14px 16px;margin:14px 0 18px}
.thermo .num{font-size:30px;font-weight:800;color:var(--c-primary);line-height:1}
.thermo .num small{font-size:14px;font-weight:600;color:var(--c-ink-soft)}
.bar{height:12px;background:#e2eaf3;border-radius:999px;overflow:hidden;margin:10px 0 6px}
.bar > span{display:block;height:100%;width:0;border-radius:999px;
  background:linear-gradient(90deg,var(--c-accent),#ffca52);transition:width 1.4s cubic-bezier(.2,.7,.2,1)}
.thermo .goal{display:flex;justify-content:space-between;font-size:13px;color:var(--c-ink-soft);font-weight:600}
.field{margin-bottom:12px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label{font-weight:600;font-size:14px;display:block;margin-bottom:5px}
label .opt{color:var(--c-ink-soft);font-weight:500}
input[type=text],input[type=email],input[type=tel]{width:100%;padding:12px 13px;border:1.5px solid var(--c-line);
  border-radius:10px;font:inherit;background:#fff}
input:focus{outline:0;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(19,73,122,.12)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--c-ink-soft);margin:10px 0}
.check input{margin-top:3px}
.fineprint{font-size:12px;color:var(--c-ink-soft);margin-top:10px;text-align:center}
.hp{position:absolute;left:-9999px} /* honeypot */

/* Sections */
.section{padding:74px 0}
.section.alt{background:var(--c-bg-soft)}
.section .head{max-width:62ch;margin-bottom:34px}
.section h2{font-size:clamp(26px,3.3vw,38px)}
.lead{color:var(--c-ink-soft);font-size:19px}

/* Stats + arguments */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:38px}
.stat{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow-sm)}
.stat .big{font-size:40px;font-weight:800;color:var(--c-primary);line-height:1}
.stat p{margin:8px 0 0;color:var(--c-ink-soft)}
.args{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.arg{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
.arg .pill{display:inline-block;width:30px;height:30px;border-radius:8px;background:var(--c-primary);color:#fff;
  font-weight:800;text-align:center;line-height:30px;margin-bottom:12px}
.arg h3{font-size:19px}
@media(max-width:820px){.stats,.args{grid-template-columns:1fr}}

/* Ambassadors carousel */
.carousel{position:relative}
.track{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 14px;scrollbar-width:thin}
.amb{flex:0 0 280px;scroll-snap-align:start;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}
.amb .avatar{width:74px;height:74px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800;font-size:24px;margin-bottom:14px}
.amb h3{font-size:18px;margin-bottom:2px}
.amb .role{color:var(--c-accent-d);font-weight:700;font-size:13px;margin-bottom:10px}
.amb p{color:var(--c-ink-soft);font-size:15px;margin:0}
.carousel .nav{display:flex;gap:10px;justify-content:flex-end;margin-top:8px}
.carousel .nav button{width:42px;height:42px;border-radius:50%;border:1.5px solid var(--c-line);background:#fff;cursor:pointer;font-size:18px}
.carousel .nav button:hover{border-color:var(--c-primary);color:var(--c-primary)}

/* CTA band */
.cta-band{background:linear-gradient(135deg,var(--c-primary),#1c5c95);color:#fff;border-radius:var(--radius);
  padding:40px;text-align:center;box-shadow:var(--shadow)}
.cta-band h2{color:#fff}
.cta-band .lead{color:#dbe8f5;margin:0 auto 22px;max-width:54ch}

/* Donation / thank-you */
.panel{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:28px}
.widget-ph{border:2px dashed #c9d6e6;border-radius:var(--radius-sm);background:var(--c-bg-soft);
  padding:40px 20px;text-align:center;color:var(--c-ink-soft)}
.success-ico{width:72px;height:72px;border-radius:50%;background:rgba(31,157,87,.12);color:var(--c-ok);
  display:grid;place-items:center;font-size:38px;margin:0 auto 16px}

/* Share */
.share-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:8px 0 4px}
.share-grid a{display:flex;flex-direction:column;align-items:center;gap:8px;padding:18px 10px;border-radius:var(--radius-sm);
  text-decoration:none;color:#fff;font-weight:700;font-size:14px}
.s-fb{background:#1877f2}.s-msg{background:#0a7cff}.s-wa{background:#25d366}.s-tg{background:#2aabee}
.msgbox{position:relative;background:var(--c-bg-soft);border:1px solid var(--c-line);border-radius:var(--radius-sm);
  padding:16px;color:var(--c-ink);font-size:15px}
@media(max-width:600px){.share-grid{grid-template-columns:1fr 1fr}}

/* Footer */
.site-foot{background:#0e2233;color:#c6d4e2;padding:48px 0 28px;margin-top:20px}
.site-foot .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.site-foot h4{color:#fff;font-size:15px;margin-bottom:12px}
.site-foot a{color:#c6d4e2;text-decoration:none;display:block;margin-bottom:8px}
.site-foot a:hover{color:#fff}
.site-foot .bottom{border-top:1px solid #1d3a52;margin-top:30px;padding-top:18px;
  font-size:13px;color:#8aa0b5;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.socks{display:flex;gap:10px}
.socks a{width:38px;height:38px;border-radius:50%;background:#1d3a52;display:grid;place-items:center;margin:0}
@media(max-width:820px){.site-foot .cols{grid-template-columns:1fr}}

/* Corner popup */
.popup{position:fixed;right:18px;bottom:18px;z-index:50;background:#fff;border:1px solid var(--c-line);
  box-shadow:var(--shadow);border-radius:var(--radius);padding:16px 18px;max-width:300px;
  transform:translateY(140%);transition:transform .4s cubic-bezier(.2,.8,.2,1)}
.popup.show{transform:translateY(0)}
.popup h4{margin:0 0 6px;font-size:16px}
.popup p{margin:0 0 12px;font-size:14px;color:var(--c-ink-soft)}
.popup .x{position:absolute;top:8px;right:10px;border:0;background:0;cursor:pointer;color:var(--c-ink-soft);font-size:18px}