/* Thinkers Shop Ltd — global styles */
:root{
  --sf-blue:#0176d3; --sf-blue-dark:#014486; --sf-navy:#16325c;
  --ink:#1f2937; --muted:#5b6b7c; --bg:#ffffff; --bg-soft:#f4f7fb;
  --border:#e2e8f0; --radius:12px;
  --shadow:0 2px 8px rgba(22,50,92,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px}
img,svg{display:block;max-width:100%}
a{color:var(--sf-blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}

/* Header */
header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;color:var(--sf-navy)}
.logo:hover{text-decoration:none}
.logo .mark{width:38px;height:38px;border-radius:9px;background:var(--sf-blue);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:.95rem;font-weight:800;letter-spacing:.5px}
nav ul{display:flex;gap:26px;list-style:none}
nav a{color:var(--ink);font-weight:500;font-size:.95rem}
nav a:hover{color:var(--sf-blue);text-decoration:none}
nav a.active{color:var(--sf-blue);font-weight:600}
.menu-btn{display:none;background:none;border:1px solid var(--border);border-radius:8px;
  padding:8px 12px;font-size:1.1rem;cursor:pointer;color:var(--ink)}

/* Buttons */
.btn{display:inline-block;background:var(--sf-blue);color:#fff;font-weight:600;
  padding:13px 26px;border-radius:9px;border:none;cursor:pointer;font-size:1rem}
.btn:hover{background:var(--sf-blue-dark);text-decoration:none}
.btn-outline{display:inline-block;border:2px solid var(--sf-blue);color:var(--sf-blue);
  font-weight:600;padding:11px 24px;border-radius:9px}
.btn-outline:hover{background:var(--sf-blue);color:#fff;text-decoration:none}

/* Hero */
.hero{background:linear-gradient(135deg,#eaf3fc 0%,#f7fafd 60%,#ffffff 100%);
  padding:88px 0 72px;border-bottom:1px solid var(--border)}
.hero h1{font-size:2.6rem;line-height:1.2;color:var(--sf-navy);max-width:760px}
.hero h1 em{font-style:normal;color:var(--sf-blue)}
.hero p.lead{font-size:1.2rem;color:var(--muted);max-width:680px;margin:22px 0 34px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}

/* Sections */
section{padding:72px 0}
section.soft{background:var(--bg-soft)}
.section-title{font-size:1.9rem;color:var(--sf-navy);margin-bottom:12px}
.section-sub{color:var(--muted);max-width:680px;margin-bottom:42px}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow)}
.card h3{color:var(--sf-navy);font-size:1.12rem;margin:14px 0 8px}
.card p{color:var(--muted);font-size:.95rem}
.icon{width:44px;height:44px;border-radius:10px;background:#e5f1fb;color:var(--sf-blue);
  display:flex;align-items:center;justify-content:center}

/* Cert strip */
.cert-strip{background:var(--sf-navy);color:#dce8f7;padding:34px 0;text-align:center}
.cert-strip strong{color:#fff}
.cert-strip .count{display:block;font-size:2rem;font-weight:800;color:#fff;margin-top:4px}

/* Cert page groups */
.cert-group{margin-bottom:34px}
.cert-group h3{color:var(--sf-navy);font-size:1.15rem;margin-bottom:14px;
  padding-bottom:8px;border-bottom:2px solid var(--sf-blue)}
.cert-list{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:10px}
.cert-list li{background:#fff;border:1px solid var(--border);border-radius:9px;
  padding:13px 16px;font-size:.95rem;display:flex;gap:10px;align-items:flex-start}
.cert-list li svg{flex-shrink:0;margin-top:3px;color:#0e9e58}

/* Service blocks */
.service{display:flex;gap:22px;padding:30px 0;border-bottom:1px solid var(--border)}
.service:last-child{border-bottom:none}
.service .icon{flex-shrink:0;width:52px;height:52px}
.service h3{color:var(--sf-navy);font-size:1.25rem;margin-bottom:6px}
.service p{color:var(--muted);max-width:720px}

/* Steps */
.steps{counter-reset:step;list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:30px}
.steps li{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;position:relative}
.steps li::before{counter-increment:step;content:counter(step);
  position:absolute;top:-14px;left:22px;width:30px;height:30px;border-radius:50%;
  background:var(--sf-blue);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:.9rem}
.steps h4{color:var(--sf-navy);margin:8px 0 6px;font-size:1.05rem}
.steps p{color:var(--muted);font-size:.92rem}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:start}
.contact-info p{margin-bottom:16px;color:var(--muted);display:flex;gap:10px}
.contact-info strong{color:var(--ink)}
form{background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px;color:var(--sf-navy)}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1px solid var(--border);
  border-radius:8px;font-size:.95rem;font-family:inherit;background:#fbfcfe}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--sf-blue);border-color:transparent}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.85rem;color:var(--muted)}
.consent input{width:auto;margin-top:4px}
textarea{min-height:130px;resize:vertical}
.hidden{display:none}

/* CTA band */
.cta-band{background:var(--sf-blue);color:#fff;text-align:center;padding:64px 0}
.cta-band h2{font-size:1.9rem;margin-bottom:10px}
.cta-band p{color:#d6e9fb;margin-bottom:28px}
.cta-band .btn{background:#fff;color:var(--sf-blue)}
.cta-band .btn:hover{background:#eaf3fc}

/* Footer */
footer{background:var(--sf-navy);color:#a9bfd9;padding:44px 0 26px;font-size:.88rem}
footer .cols{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;margin-bottom:26px}
footer .brand{font-weight:700;color:#fff;font-size:1.05rem}
footer nav ul{flex-direction:column;gap:8px}
footer nav a{color:#a9bfd9}
footer nav a:hover{color:#fff}
footer .legal{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;text-align:center;font-size:.8rem}

/* Thank-you */
.thank-you{text-align:center;padding:110px 0}
.thank-you h1{color:var(--sf-navy);font-size:2.2rem;margin:18px 0 10px}
.thank-you p{color:var(--muted);max-width:520px;margin:0 auto 30px}

/* Responsive */
@media(max-width:820px){
  .hero h1{font-size:1.9rem}
  .contact-grid{grid-template-columns:1fr}
  .service{flex-direction:column;gap:12px}
  nav ul{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;
    flex-direction:column;padding:18px 24px;gap:14px;border-bottom:1px solid var(--border)}
  nav ul.open{display:flex}
  .menu-btn{display:block}
}