/* KWS - strona glowna (landing). Spojna paleta z dokumentacja. */
:root{
  --bg:#ffffff; --bg2:#f7f8fa; --bg3:#eef1f4;
  --txt:#1f2933; --txt2:#52606d; --txt3:#9aa5b1;
  --bd:#e2e7ec;
  --ac:#0a9d82; --ac2:#0b7e6a; --ac-bg:#e6f7f3;
  --amb:#b97400;
  --ink:#0c1b22; --ink2:#13313a;
  --mono:"SFMono-Regular",Consolas,Menlo,monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --wrap:1140px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--txt);background:var(--bg);line-height:1.65;font-size:16px}
a{color:var(--ac2);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.center{text-align:center}

/* ===== Header ===== */
.nav{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--bd)}
.nav .wrap{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.12rem;color:var(--txt)}
.brand:hover{text-decoration:none}
.brand .logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--ac),var(--ac2));
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:.95rem}
.brand small{color:var(--txt3);font-weight:600;font-size:.78rem}
.navlinks{margin-left:auto;display:flex;align-items:center;gap:6px}
.navlinks a{padding:8px 13px;border-radius:8px;color:var(--txt2);font-weight:600;font-size:.92rem}
.navlinks a:hover{background:var(--bg3);text-decoration:none;color:var(--txt)}
.navlinks .btn{margin-left:6px}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--bd);border-radius:8px;width:42px;height:38px;font-size:1.2rem;cursor:pointer}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:10px;font-weight:700;
  font-size:.95rem;cursor:pointer;border:1px solid transparent;transition:.15s}
.btn.primary{background:var(--ac);color:#fff}
.btn.primary:hover{background:var(--ac2);text-decoration:none;transform:translateY(-1px)}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn.ghost:hover{background:rgba(255,255,255,.12);text-decoration:none}
.btn.dark{background:#fff;color:var(--ink);border-color:var(--bd)}
.btn.dark:hover{background:var(--bg3);text-decoration:none}
.btn.lg{padding:14px 26px;font-size:1.02rem;border-radius:12px}

/* ===== Hero ===== */
.hero{background:radial-gradient(1100px 460px at 78% -10%,#10474f 0%,transparent 60%),
  linear-gradient(160deg,var(--ink) 0%,var(--ink2) 100%);color:#eef6f4;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:36px 36px;mask-image:radial-gradient(700px 400px at 80% 0,#000,transparent);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  padding:78px 22px 86px}
.hero .eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.6px;text-transform:uppercase;
  color:#7fe3cf;background:rgba(127,227,207,.12);border:1px solid rgba(127,227,207,.3);padding:5px 12px;border-radius:20px;margin-bottom:18px}
.hero h1{font-size:3rem;line-height:1.08;font-weight:800;margin:0 0 16px;letter-spacing:-.8px}
.hero h1 .hl{color:#5fdcc2}
.hero p.sub{font-size:1.2rem;color:#bfd6d0;margin:0 0 28px;max-width:560px}
.hero .cta{display:flex;gap:13px;flex-wrap:wrap}
.hero .meta{margin-top:26px;display:flex;gap:22px;flex-wrap:wrap;color:#9fc3bb;font-size:.86rem}
.hero .meta b{color:#eef6f4}
.hero-visual{aspect-ratio:4/3;border-radius:16px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.05);display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;color:#9fc3bb;text-align:center;padding:20px}
.hero-visual .ico{font-size:2.6rem;opacity:.7}
.hero-visual img{width:100%;height:100%;object-fit:cover;border-radius:16px}
.hero-visual .path{font-family:var(--mono);font-size:.72rem;color:#6f928b}

/* ===== Sections ===== */
.section{padding:72px 0}
.section.alt{background:var(--bg2);border-top:1px solid var(--bd);border-bottom:1px solid var(--bd)}
.section h2{font-size:2rem;font-weight:800;letter-spacing:-.4px;margin:0 0 10px;text-align:center}
.section .sub{color:var(--txt2);text-align:center;max-width:620px;margin:0 auto 40px;font-size:1.05rem}

/* feature grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.card{background:var(--bg);border:1px solid var(--bd);border-radius:14px;padding:22px}
.card:hover{border-color:#bfe6dc;box-shadow:0 6px 22px rgba(10,157,130,.08)}
.card .fico{width:46px;height:46px;border-radius:11px;background:var(--ac-bg);color:var(--ac2);
  display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:13px}
.card h3{margin:0 0 6px;font-size:1.1rem;font-weight:700}
.card p{margin:0;color:var(--txt2);font-size:.93rem}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{text-align:center;padding:18px;border:1px solid var(--bd);border-radius:14px;background:var(--bg)}
.stat .num{font-size:2.3rem;font-weight:800;color:var(--ac2);line-height:1}
.stat .lbl{color:var(--txt2);font-size:.9rem;margin-top:7px}

/* how / split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.split ul{list-style:none;padding:0;margin:0}
.split li{display:flex;gap:12px;margin:16px 0}
.split li .chk{flex:0 0 26px;height:26px;border-radius:50%;background:var(--ac-bg);color:var(--ac2);
  display:flex;align-items:center;justify-content:center;font-weight:800}
.split li b{display:block}
.split li span{color:var(--txt2);font-size:.94rem}
.shotbox{border:2px dashed #cbd2d9;background:var(--bg2);border-radius:14px;min-height:280px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--txt3);text-align:center;padding:24px}
.shotbox .ico{font-size:2rem;opacity:.5}
.shotbox img{width:100%;border-radius:12px;border:1px solid var(--bd)}
.shotbox .path{font-family:var(--mono);font-size:.74rem}

/* use cases */
.uses{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.use{border:1px solid var(--bd);border-radius:14px;padding:20px;background:var(--bg)}
.use .uico{color:var(--ac2);line-height:1;margin-bottom:2px}
.use h4{margin:8px 0 5px;font-size:1.02rem}
.use p{margin:0;color:var(--txt2);font-size:.9rem}

/* CTA band */
.ctaband{background:linear-gradient(160deg,var(--ink),var(--ink2));color:#eef6f4;border-radius:18px;
  padding:46px 30px;text-align:center}
.ctaband h2{color:#fff;margin:0 0 10px}
.ctaband p{color:#bfd6d0;max-width:560px;margin:0 auto 26px}
.ctaband .cta{display:flex;gap:13px;justify-content:center;flex-wrap:wrap}

/* footer */
footer{background:var(--ink);color:#9fc3bb;padding:40px 0;font-size:.9rem}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
footer a{color:#cfe7e1}
footer .fbrand{color:#eef6f4;font-weight:800;font-size:1.05rem}

/* ===== Responsive ===== */
@media(max-width:900px){
  .hero .wrap{grid-template-columns:1fr;padding:56px 22px 60px}
  .hero h1{font-size:2.3rem}
  .split{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .navlinks{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--bd);padding:10px 16px;gap:4px}
  body.nav-open .navlinks{display:flex}
  .navlinks .btn{margin:6px 0 2px}
  .burger{display:block}
}