/* KRUV Tech landing pages — shared styles */
:root{
  /* KRUV brand: navy #121E39, indigo #2E3B8F, purple #82228E, orange #F2893F */
  --ink:#121E39; --ink-2:#3d4760; --muted:#5A6478;
  --bg:#ffffff; --bg-2:#F7F8FC; --line:#E7E9F2;
  --brand:#82228E; --brand-ink:#ffffff; --brand-2:#f5e9f7;
  --grad:linear-gradient(120deg,#2E3B8F 0%,#82228E 55%,#F2893F 100%);
  --ok:#0a8f5a; --wa:#25d366;
  --radius:14px; --max:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand)}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
section{padding:64px 0}
section.alt{background:var(--bg-2)}
h1,h2,h3,.logo{font-family:Sora,"Segoe UI",Arial,sans-serif}
h1{font-size:clamp(32px,5vw,50px);line-height:1.1;margin:0 0 16px;letter-spacing:-.02em}
h2{font-size:clamp(25px,3.4vw,34px);line-height:1.2;margin:0 0 14px;letter-spacing:-.01em}
h3{font-size:19px;margin:0 0 6px}
p{margin:0 0 14px;color:var(--ink-2)}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);background:var(--brand-2);padding:5px 10px;border-radius:999px;margin-bottom:16px}
.lead{font-size:20px;max-width:720px}

/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;color:var(--ink);text-decoration:none;letter-spacing:.5px}
.logo img{height:34px;width:auto}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:16px;text-decoration:none;border-radius:10px;padding:14px 22px;border:2px solid transparent;cursor:pointer;min-height:48px}
.btn-primary{background:var(--grad);color:var(--brand-ink);box-shadow:0 8px 22px rgba(130,34,142,.25)}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink-2)}
.btn-sm{padding:9px 16px;min-height:40px;font-size:15px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.fine{font-size:14px;color:var(--muted);margin-top:12px}

/* hero */
.hero{padding:72px 0 56px}
.proof-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:40px}
.proof-strip div{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.proof-strip b{display:block;font-size:26px;line-height:1.1;color:var(--ink)}
.proof-strip span{font-size:14px;color:var(--muted)}

/* grids */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card p:last-child{margin-bottom:0}
ul.ticks{list-style:none;padding:0;margin:0}
ul.ticks li{position:relative;padding-left:28px;margin-bottom:10px;color:var(--ink-2)}
ul.ticks li::before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;background:var(--brand-2);box-shadow:inset 0 0 0 5px var(--brand)}

/* timeline */
.plan{display:grid;gap:16px;counter-reset:wk}
.plan .step{display:grid;grid-template-columns:120px 1fr;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.plan .when{font-weight:800;color:var(--brand);font-size:15px;text-transform:uppercase;letter-spacing:.05em}
.plan .step p{margin-bottom:8px}
.plan .out{font-size:15px;color:var(--ok);font-weight:600;margin:0}

/* stack chips */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.chips span{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 14px;font-size:15px;font-weight:600;color:var(--ink-2)}

/* architecture diagram */
.arch{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;overflow-x:auto}
.arch svg{display:block;min-width:600px;width:100%;height:auto}

/* faq */
details{border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:12px}
summary{cursor:pointer;font-weight:700;padding:18px 20px;list-style:none;position:relative;padding-right:48px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:20px;top:14px;font-size:24px;color:var(--brand);font-weight:400}
details[open] summary::after{content:"–"}
details .ans{padding:0 20px 16px}

/* booking */
.book{background:radial-gradient(120% 120% at 20% 15%,#223066 0%,#121E39 55%,#0C1326 100%);color:#fff}
.book h2,.book h3{color:#fff}
.book p{color:#c9d3e3}
.book .grid-2{align-items:start}
.cal-box{background:#fff;border-radius:var(--radius);min-height:660px;overflow:hidden}
.cal-fallback{padding:28px;color:var(--ink)}
.cal-fallback p{color:var(--ink-2)}
.contact-list{list-style:none;padding:0;margin:20px 0 0}
.contact-list li{margin-bottom:10px}
.contact-list a{color:#fff;font-weight:600}

/* footer */
footer{padding:32px 0;border-top:1px solid var(--line);font-size:15px;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}
footer a{color:var(--ink-2)}

/* floating whatsapp */
.wa-float{position:fixed;right:18px;bottom:72px;z-index:30;display:flex;align-items:center;gap:8px;background:var(--wa);color:#fff;text-decoration:none;font-weight:700;border-radius:999px;padding:12px 18px;box-shadow:0 6px 20px rgba(0,0,0,.18)}
.wa-float svg{width:22px;height:22px}

/* mobile sticky book bar */
.m-bar{display:none}

@media (max-width:820px){
  body{font-size:16px}
  section{padding:48px 0}
  .hero{padding:44px 0 40px}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .proof-strip{grid-template-columns:1fr 1fr}
  .plan .step{grid-template-columns:1fr;gap:6px}
  .top .btn{display:none} /* mobile uses the sticky bottom bar instead */
  .logo{white-space:nowrap}
  .wa-float{bottom:132px}
  .wa-float .wa-label{display:none}
  .m-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:25;background:#fff;border-top:1px solid var(--line);padding:10px 16px}
  .m-bar .btn{flex:1}
  body{padding-bottom:70px}
}