:root{
  --bg:#f7f8fb;
  --card:#ffffff;
  --text:#1c1e21;
  --muted:#6b7280;
  --primary:#2563eb;
  --accent:#0ea5e9;
  --shadow: 0 10px 30px rgba(2,6,23,.08);
  --radius: 16px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial,sans-serif;
  color:var(--text);
  background:radial-gradient(1000px 600px at 80% -200px, #e8f0ff, transparent 60%),
             radial-gradient(800px 500px at -100px 20%, #e6fbff, transparent 60%),
             var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

.container{max-width:1100px;margin:0 auto;padding:0 16px}
.section{padding:72px 0}
.section.alt{background:linear-gradient(180deg, rgba(255,255,255,.8), rgba(255,255,255,.9));}
h1,h2,h3{margin:0 0 16px}
h1{font-size:44px;letter-spacing:-0.02em}
h2{font-size:32px}
h3{font-size:20px}
p{margin:0 0 12px}
.muted{color:var(--muted)}

.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid rgba(0,0,0,.05)}
.header-inner{display:flex;align-items:center;gap:16px;min-height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:700}
.nav{display:flex;gap:18px;margin-left:auto}
.nav a{color:var(--text);text-decoration:none;opacity:.8}
.nav a:hover{opacity:1}
.cta{display:flex;gap:12px;align-items:center;margin-left:12px}
.burger{display:none;position:relative;width:38px;height:38px;border:1px solid rgba(0,0,0,.1);background:#fff;border-radius:10px}
.burger span,.burger::before,.burger::after{content:"";position:absolute;left:8px;right:8px;height:2px;background:var(--text);border-radius:2px;transition:.25s}
.burger span{top:18px}.burger::before{top:11px}.burger::after{top:25px}
.burger.active span{opacity:0}.burger.active::before{transform:translateY(7px) rotate(45deg)}.burger.active::after{transform:translateY(-7px) rotate(-45deg)}

.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:12px;border:1px solid transparent;text-decoration:none;box-shadow:var(--shadow);transition:transform .08s ease, box-shadow .2s ease}
.btn:active{transform:translateY(1px);box-shadow:0 6px 18px rgba(2,6,23,.06)}
.btn-primary{background:linear-gradient(180deg, var(--primary), #1d4ed8);color:#fff}
.btn-ghost{background:#fff;border-color:rgba(0,0,0,.08);color:var(--text)}
.btn-xl{padding:14px 20px;font-size:18px}

.hero{padding:40px 0 20px}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
.hero-text .accent{background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-media img{width:100%;height:auto;border-radius:20px;box-shadow:var(--shadow)}
.hero-actions{display:flex;gap:12px;margin:18px 0;flex-wrap:wrap}
.badges{display:flex;gap:10px;flex-wrap:wrap;padding:0;margin:10px 0 6px;list-style:none}
.badges li{background:rgba(37,99,235,.08);border:1px solid rgba(37,99,235,.15);padding:8px 12px;border-radius:999px;font-size:14px}

.grid{display:grid;gap:16px}
.cards{grid-template-columns:repeat(3, minmax(0,1fr))}
.card{background:var(--card);border:1px solid rgba(0,0,0,.06);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card p{color:var(--muted)}

.price-list{display:grid;gap:10px;margin:14px 0 18px}
.price-item{display:flex;justify-content:space-between;gap:16px;background:var(--card);border:1px solid rgba(0,0,0,.06);border-radius:14px;padding:12px 14px}
.price-item strong{font-size:18px}

.chips{display:flex;flex-wrap:wrap;gap:10px;padding:0;list-style:none}
.chip{padding:10px 14px;border-radius:999px;background:#fff;border:1px solid rgba(0,0,0,.08)}

.gallery{grid-template-columns:repeat(4,minmax(0,1fr))}
.gallery img{width:100%;height:180px;object-fit:cover;border-radius:14px;border:1px solid rgba(0,0,0,.06)}

.steps{counter-reset:step;display:grid;gap:12px;margin:0;padding:0;list-style:none}
.steps li{background:var(--card);border:1px solid rgba(0,0,0,.06);border-radius:14px;padding:12px 14px;display:flex;align-items:center;gap:12px}
.steps li span{width:28px;height:28px;display:inline-grid;place-items:center;border-radius:999px;background:rgba(37,99,235,.1);color:#1d4ed8;font-weight:700}

.contact{background:linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,255,255,.95))}
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.contact-card{background:var(--card);border:1px solid rgba(0,0,0,.06);border-radius:16px;padding:16px;box-shadow:var(--shadow)}
.contact-card details{border:1px solid rgba(0,0,0,.06);border-radius:12px;padding:10px 12px;margin:8px 0;background:#fff}
.contact-card summary{cursor:pointer;font-weight:600}
.phone a{font-size:28px;font-weight:800;color:var(--text);text-decoration:none}

.site-footer{padding:30px 0;border-top:1px solid rgba(0,0,0,.06);background:#fff}
.footer-inner{display:flex;align-items:center;justify-content:space-between}
.footer-nav{display:flex;gap:16px}
.footer-nav a{color:var(--muted);text-decoration:none}

/* --- Header mobile refinements --- */
@media (max-width: 980px){
  .header-inner{padding:8px 0}
  .logo span{font-size:16px}
  .cta{margin-left:auto}
  .btn.btn-primary{padding:10px 12px}
  .btn.btn-ghost{padding:10px 12px}
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid rgba(0,0,0,.06);padding:12px 16px}
  .nav.open{display:flex;flex-direction:column;gap:12px}
  .burger{display:inline-block}
}
@media (max-width: 640px){
  .header-inner{gap:10px}
  .logo img{width:30px;height:30px}
  .logo span{font-size:15px;font-weight:700}
  .cta{display:flex;gap:8px}
  .btn{border-radius:10px;box-shadow:none}
  .btn.btn-primary{font-size:14px;padding:8px 10px}
  .btn.btn-ghost{font-size:14px;padding:8px 10px}
  .burger{width:34px;height:34px}
  .cards{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
  .contact-inner{grid-template-columns:1fr}
  .btn-xl{font-size:16px}
}

/* WhatsApp accent */
.btn-wa{border-color:rgba(14,165,233,.18)}
.btn-wa:hover{box-shadow:0 8px 20px rgba(2,6,23,.06)}



/* --- Mobile header layout for 2025 UX --- */
.mobile-actions{display:none}
@media (max-width: 640px){
  .header-inner{
    display:grid;
    grid-template-columns: 1fr auto;
    align-items:center;
    gap:10px;
    padding:8px 0;
  }
  .logo{
    grid-column:1/2;
    font-size:16px;
    font-weight:800;
  }
  .burger{
    display:inline-flex;
    justify-content:center;
    align-items:center;
    grid-column:2/3;
  }
  .nav{
    position:fixed;
    top:64px;
    right:12px;
    left:12px;
    display:none;
    flex-direction:column;
    gap:14px;
    padding:16px;
    background:#fff;
    border:1px solid rgba(0,0,0,.08);
    border-radius:14px;
    box-shadow:var(--shadow);
  }
  .nav.open{display:flex}
  .mobile-actions{
    display:flex;
    gap:10px;
    padding:0 12px 10px;
  }
  .mobile-actions .btn{
    flex:1 1 0;
    justify-content:center;
  }
}



/* FAQ accordion */
.faq-list details{
  background:var(--card);
  border:1px solid rgba(0,0,0,.06);
  border-radius:14px;
  padding:14px 16px;
  box-shadow:var(--shadow);
}
.faq-list details+details{margin-top:12px}
.faq-list summary{
  cursor:pointer;
  font-weight:600;
  list-style:none;
}
.faq-list summary::-webkit-details-marker{display:none}


/* nav overlay z-index fix */
@media (max-width: 640px){
  .nav{
    z-index: 9999;
  }
  .burger{
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }
}