/* Brain Technosoft — Design System v2
   Direction: bright, premium, trustworthy. Warm sunrise-orange on clean white,
   with a soft ink navy for text. Feels like a modern Indian SaaS product. */

:root{
  --paper:#ffffff;
  --paper-2:#fbf7f2;
  --paper-3:#f6f0e8;
  --ink:#141b2d;
  --ink-2:#3d475e;
  --muted:#6a7488;
  --line:#ece6dd;
  --line-2:#e2dccf;
  --brand:#ff7a1a;
  --brand-2:#ff9838;
  --brand-deep:#e85d04;
  --brand-soft:#fff2e6;
  --good:#12b76a;
  --danger:#f04438;
  --radius:16px;
  --radius-sm:10px;
  --maxw:1180px;
  --sans:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  --mono:'Space Mono','Courier New',monospace;
  --shadow-sm:0 2px 8px rgba(20,27,45,.05);
  --shadow:0 12px 32px rgba(20,27,45,.08);
  --shadow-brand:0 12px 30px rgba(255,122,26,.28);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:var(--brand-deep);text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-deep);font-weight:700}
h1,h2,h3{line-height:1.1;margin:0 0 .4em;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
h1{font-size:clamp(36px,5.4vw,62px)}
h2{font-size:clamp(28px,3.6vw,42px)}
.lead{color:var(--ink-2);font-size:clamp(16px,1.6vw,19px);max-width:60ch}
.muted{color:var(--muted)}

.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);
  background:rgba(255,255,255,.85);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.02em;color:var(--ink);font-size:19px}
.brand .mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  display:grid;place-items:center;font-family:var(--mono);font-weight:700;color:#fff;font-size:15px;box-shadow:var(--shadow-brand)}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{color:var(--ink-2);font-size:15px;font-weight:600}
.nav-links a:hover{color:var(--brand-deep)}
.nav-cta{display:flex;gap:10px;align-items:center}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:11px;
  font-weight:700;font-size:15px;cursor:pointer;border:1.5px solid transparent;transition:.18s;white-space:nowrap;font-family:inherit}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#fff;box-shadow:var(--shadow-brand)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,122,26,.38)}
.btn-signal{background:var(--ink);color:#fff}
.btn-signal:hover{transform:translateY(-2px);background:#1e2740}
.btn-ghost{background:#fff;border-color:var(--line-2);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);background:var(--brand-soft)}
.btn-block{width:100%}
.btn-sm{padding:9px 16px;font-size:14px}

.hero{padding:78px 0 46px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;top:-30%;right:-10%;width:60%;height:120%;
  background:radial-gradient(circle at center,rgba(255,152,56,.14),transparent 62%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;position:relative}
.hero h1 span{color:var(--brand-deep)}
.hero-cta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;margin-top:38px;flex-wrap:wrap}
.hero-stats .n{font-family:var(--mono);font-size:28px;font-weight:700;color:var(--ink)}
.hero-stats .l{font-size:13px;color:var(--muted);font-weight:600}

.mock{background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px;box-shadow:var(--shadow)}
.mock-bar{display:flex;gap:6px;margin-bottom:12px;align-items:center}
.mock-bar i{width:11px;height:11px;border-radius:50%;background:#e6ded2;display:block}
.mock-bar i:first-child{background:#ff6058}.mock-bar i:nth-child(2){background:#ffbd2e}.mock-bar i:nth-child(3){background:#28c840}
.mock-url{flex:1;font-family:var(--mono);font-size:12px;color:var(--muted);background:var(--paper-2);border:1px solid var(--line);
  border-radius:8px;padding:7px 12px;margin-left:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mock-row{display:flex;gap:12px;margin:12px 0}
.mock-card{flex:1;background:var(--paper-2);border:1px solid var(--line);border-radius:12px;height:70px;
  display:flex;flex-direction:column;justify-content:center;padding:0 14px}
.mock-card b{font-family:var(--mono);color:var(--brand-deep);font-size:20px}
.mock-card span{font-size:11px;color:var(--muted);font-weight:600}
.mock-list div{height:12px;background:var(--paper-3);border-radius:6px;margin:9px 0}
.mock-list div:nth-child(1){width:100%}.mock-list div:nth-child(2){width:76%}.mock-list div:nth-child(3){width:58%}

section{padding:70px 0}
.sec-warm{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:58ch;margin-bottom:44px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:.2s;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.card:hover{border-color:var(--brand-2);transform:translateY(-4px);box-shadow:var(--shadow)}
.card .ico{width:52px;height:52px;border-radius:13px;background:var(--brand-soft);
  display:grid;place-items:center;margin-bottom:16px;font-size:26px}
.card h3{font-size:20px;margin-bottom:8px}
.card p{color:var(--ink-2);font-size:14.5px;margin:0 0 18px;flex:1}
.card-actions{display:flex;gap:8px;flex-wrap:wrap}
.card-actions .btn{flex:1;min-width:0}

.tag{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--brand-deep);background:var(--brand-soft);border:1px solid #ffdcbf;
  padding:5px 11px;border-radius:7px;margin-bottom:12px;font-weight:700}

.plans{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;
  display:flex;flex-direction:column;position:relative;box-shadow:var(--shadow-sm);transition:.2s}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.plan.pop{border:2px solid var(--brand);box-shadow:var(--shadow-brand)}
.plan .pop-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#fff;font-size:11px;font-weight:700;
  padding:5px 14px;border-radius:20px;font-family:var(--mono);letter-spacing:.05em;box-shadow:var(--shadow-brand)}
.plan h3{font-size:18px;margin-bottom:2px}
.plan .price{font-family:var(--mono);font-size:32px;font-weight:700;color:var(--ink);margin:10px 0 2px}
.plan .price small{font-size:13px;color:var(--muted);font-weight:400}
.plan .free-tag{color:var(--good);font-family:var(--mono);font-size:13px;font-weight:700}
.plan ul{list-style:none;padding:0;margin:18px 0;flex:1}
.plan li{font-size:13.5px;color:var(--ink-2);padding:7px 0 7px 24px;position:relative;border-bottom:1px solid var(--line)}
.plan li:before{content:"✓";position:absolute;left:0;color:var(--brand-deep);font-weight:800}
.plan li:last-child{border-bottom:0}

.form-wrap{max-width:580px;margin:0 auto}
.field{margin-bottom:17px}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:7px;font-weight:600}
.input,select,textarea{width:100%;padding:13px 15px;background:#fff;border:1.5px solid var(--line-2);
  border-radius:11px;color:var(--ink);font-size:15px;font-family:inherit}
.input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.sub-check{display:flex;gap:8px}
.sub-check .input{flex:1}
.sub-suffix{display:flex;align-items:center;padding:0 14px;font-family:var(--mono);font-size:14px;color:var(--muted);
  background:var(--paper-2);border:1.5px solid var(--line-2);border-radius:11px;white-space:nowrap}
.avail{font-family:var(--mono);font-size:13px;margin-top:8px;min-height:18px;font-weight:700}
.avail.ok{color:var(--good)}.avail.no{color:var(--danger)}.avail.busy{color:var(--muted)}
.sug{display:inline-block;font-family:var(--mono);font-size:12px;color:var(--brand-deep);
  border:1px solid var(--line-2);border-radius:7px;padding:4px 10px;margin:5px 5px 0 0;cursor:pointer;background:#fff}
.sug:hover{border-color:var(--brand);background:var(--brand-soft)}

.flash{padding:13px 17px;border-radius:11px;margin-bottom:15px;font-size:14.5px;font-weight:600}
.flash-error{background:#fef3f2;border:1px solid #fecdca;color:#b42318}
.flash-success{background:#ecfdf3;border:1px solid #abefc6;color:#067647}
.flash-info{background:var(--brand-soft);border:1px solid #ffdcbf;color:var(--brand-deep)}

.footer{border-top:1px solid var(--line);padding:54px 0 34px;margin-top:0;background:var(--ink);color:#fff}
.footer .brand{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:34px}
.footer h4{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:#8892a6;margin-bottom:15px;font-family:var(--mono);font-weight:700}
.footer a{display:block;color:#b9c0cf;font-size:14px;padding:5px 0}
.footer a:hover{color:var(--brand-2)}
.footer .muted{color:#8892a6}
.foot-bottom{border-top:1px solid #2a3348;margin-top:38px;padding-top:22px;display:flex;
  justify-content:space-between;flex-wrap:wrap;gap:10px;color:#8892a6;font-size:13px}

@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .plans{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
}
@media(max-width:560px){
  .plans{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-stats{gap:22px}
  .card-actions{flex-direction:column}
}
:focus-visible{outline:2.5px solid var(--brand);outline-offset:2px}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}