/* KnocKnock — minimalist marketing theme. White / black / grey / teal. */
:root{
  --ink:#0E1413;
  --ink-2:#39433F;
  --muted:#6B7674;
  --line:#E5E9E8;
  --soft:#F6F8F8;
  --teal:#0FBFB0;
  --teal-d:#0A9C90;
  --teal-tint:#E9FBF8;
  --white:#fff;
  --radius:14px;
  --maxw:1120px;
  --shadow:0 1px 2px rgba(14,20,19,.04), 0 8px 30px rgba(14,20,19,.06);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;color:var(--ink);background:var(--white);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{line-height:1.12;letter-spacing:-.02em;margin:0;font-weight:800}
p{margin:0}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-d)}
.muted{color:var(--muted)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;
  padding:12px 20px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;transition:.15s ease;white-space:nowrap}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:var(--teal-d)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);}
.btn-lg{padding:15px 26px;font-size:16px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.01em}
.brand img{width:28px;height:28px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a.lnk{font-size:15px;font-weight:600;color:var(--ink-2)}
.nav-links a.lnk:hover{color:var(--ink)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none}

/* hero */
.hero{padding:84px 0 64px;text-align:center}
.hero h1{font-size:clamp(38px,6vw,62px)}
.hero h1 .accent{color:var(--teal)}
.hero p.lede{font-size:clamp(18px,2.4vw,21px);color:var(--ink-2);max-width:660px;margin:22px auto 0}
.hero-cta{display:flex;gap:14px;justify-content:center;margin-top:32px;flex-wrap:wrap}
.hero-note{margin-top:16px;font-size:14px;color:var(--muted)}
.hero-shot{max-width:980px;margin:54px auto 0;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden;background:var(--soft)}
.hero-shot .bar{display:flex;gap:7px;padding:13px 16px;border-bottom:1px solid var(--line);background:#fff}
.hero-shot .bar i{width:11px;height:11px;border-radius:50%;background:var(--line)}
.hero-shot .pane{line-height:0}
.hero-map{width:100%;height:auto;display:block}

/* section scaffolding */
.section{padding:78px 0;border-top:1px solid var(--line)}
.section-head{text-align:center;max-width:680px;margin:0 auto 48px}
.section-head h2{font-size:clamp(28px,4vw,40px);margin-top:12px}
.section-head p{color:var(--ink-2);margin-top:14px;font-size:18px}

/* features */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.15s ease}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.card .ico{width:44px;height:44px;border-radius:11px;background:var(--teal-tint);color:var(--teal-d);
  display:grid;place-items:center;margin-bottom:16px}
.card .ico svg{width:23px;height:23px}
.card h3{font-size:19px}
.card p{margin-top:8px;color:var(--ink-2);font-size:15.5px}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.step{position:relative;padding-top:8px}
.step .n{width:38px;height:38px;border-radius:50%;background:var(--ink);color:#fff;font-weight:800;display:grid;place-items:center;margin-bottom:14px}
.step h3{font-size:18px}
.step p{margin-top:8px;color:var(--ink-2);font-size:15.5px}

/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.plan.featured{border-color:var(--teal);box-shadow:var(--shadow);position:relative}
.plan.featured .tag{position:absolute;top:-12px;left:30px;background:var(--teal);color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;letter-spacing:.04em}
.plan h3{font-size:18px}
.plan .price{font-size:40px;font-weight:800;letter-spacing:-.03em;margin:14px 0 2px}
.plan .price span{font-size:15px;font-weight:600;color:var(--muted)}
.plan ul{list-style:none;padding:0;margin:20px 0 26px;display:grid;gap:11px}
.plan li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.plan li svg{width:18px;height:18px;color:var(--teal-d);flex:none;margin-top:3px}
.plan .btn{width:100%;justify-content:center}
.plan-note{color:var(--ink-2);font-size:14.5px;margin:16px 0 22px}

/* everything-included panel (no feature gating) */
.kn-included{margin-top:30px;background:var(--soft);border:1px solid var(--line);border-radius:18px;padding:32px;text-align:center}
.kn-included h3{font-size:21px;margin-bottom:22px}
.kn-included ul{list-style:none;padding:0;margin:0 auto;max-width:780px;display:grid;grid-template-columns:repeat(3,1fr);gap:13px 30px;text-align:left}
.kn-included li{position:relative;padding-left:28px;color:var(--ink-2);font-size:15.5px}
.kn-included li::before{content:"✓";position:absolute;left:0;top:0;color:var(--teal-d);font-weight:800}
@media(max-width:860px){.kn-included ul{grid-template-columns:1fr 1fr}}

/* pricing calculator */
.kn-calc{display:grid;grid-template-columns:1fr 360px;gap:0;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);background:#fff}
.kn-calc-input{padding:34px 36px}
.kn-calc-input label{display:block;font-weight:700;font-size:16px;margin-bottom:18px}
.kn-calc-controls{display:flex;align-items:center;gap:14px;margin-bottom:24px}
.kn-calc-controls input[type=range]{flex:1;accent-color:var(--teal);height:6px}
.kn-calc-controls input[type=number]{width:84px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-size:16px;font-weight:700;font-family:inherit;text-align:center}
.kn-calc-unit{color:var(--muted);font-weight:600;font-size:14px}
.kn-disctable{width:100%;border-collapse:collapse;font-size:14px}
.kn-disctable td{padding:9px 0;border-top:1px solid var(--line);color:var(--ink-2)}
.kn-disctable td:last-child{text-align:right;font-weight:700;color:var(--teal-d)}
.kn-disctable tr:first-child td{border-top:none}
.kn-calc-result{background:var(--ink);color:#fff;padding:34px 32px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.kn-discbadge{background:var(--teal);color:#fff;font-weight:700;font-size:13px;padding:5px 14px;border-radius:999px;margin-bottom:14px}
.kn-peruser{font-size:18px;color:#C7CFCD}
.kn-peruser span{font-size:52px;font-weight:800;letter-spacing:-.03em;color:#fff;display:block;line-height:1}
.kn-peruser small{font-size:14px}
.kn-total{margin:16px 0 22px;color:#C7CFCD;font-size:15px}
.kn-total strong{color:#fff;font-size:22px}
.kn-calc-result .btn{width:100%;justify-content:center}
.kn-calc-note{font-size:12.5px;color:#8B9794;margin-top:12px}
@media(max-width:760px){.kn-calc{grid-template-columns:1fr}}

/* CTA + demo form */
.cta{background:var(--ink);color:#fff;border-radius:22px;padding:56px 40px;text-align:center}
.cta h2{font-size:clamp(26px,4vw,38px);color:#fff}
.cta p{color:#C7CFCD;margin-top:12px;font-size:18px}
.demo{max-width:560px;margin:28px auto 0;display:grid;gap:12px;text-align:left}
.demo .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.demo label{font-size:13px;font-weight:600;color:#C7CFCD;display:block;margin-bottom:6px}
.demo input,.demo textarea,.demo select{width:100%;padding:12px 14px;border-radius:10px;border:1px solid #2A3433;background:#121A19;color:#fff;font-size:15px;font-family:inherit}
.demo input:focus,.demo textarea:focus,.demo select:focus{outline:none;border-color:var(--teal)}
.demo .btn{justify-content:center;margin-top:6px}
.notice{background:var(--teal-tint);border:1px solid var(--teal);color:var(--teal-d);padding:14px 18px;border-radius:12px;font-weight:600;text-align:center;margin-bottom:22px}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:46px 0;color:var(--muted);font-size:14px}
.foot{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.foot .brand{font-size:16px;color:var(--ink)}
.foot-links{display:flex;gap:22px}
.foot-links a:hover{color:var(--ink)}

@media(max-width:860px){
  .grid-3,.steps,.price-grid{grid-template-columns:1fr}
  .nav-links{display:none}
  .demo .row{grid-template-columns:1fr}
  .hero{padding:60px 0 44px}
  .section{padding:60px 0}
}