:root{
  --ink:#111827;
  --navy:#15243d;
  --navy2:#0d1727;
  --muted:#6b7280;
  --line:#e5e7eb;
  --bg:#f7f8fa;
  --white:#ffffff;
  --accent:#1f3b7a;
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--white);line-height:1.55}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92%);margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(229,231,235,.9)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;font-size:1.15rem}
.brand-mark{width:42px;height:42px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:900}
.nav-links{display:flex;gap:24px;align-items:center;font-weight:650}
.nav-links a:hover{color:var(--accent)}
.menu-btn{display:none;border:0;background:none;font-size:1.6rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 20px;border-radius:999px;font-weight:800;border:1px solid transparent;transition:.2s}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{transform:translateY(-1px);background:#22385d}
.btn-outline{border-color:var(--navy);color:var(--navy);background:#fff}
.hero{padding:88px 0 72px;background:
radial-gradient(circle at 85% 20%, rgba(31,59,122,.13), transparent 28%),
linear-gradient(180deg,#fff 0,#f7f8fa 100%)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:56px}
.eyebrow{display:inline-flex;padding:7px 12px;border:1px solid #dbe3ef;border-radius:999px;font-size:.82rem;font-weight:800;color:var(--accent);letter-spacing:.04em;text-transform:uppercase}
h1,h2,h3{line-height:1.05;margin:0}
h1{font-size:clamp(3rem,6vw,5.7rem);letter-spacing:-.055em;margin-top:20px}
.hero p{font-size:1.15rem;color:var(--muted);max-width:650px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-card{background:var(--navy);border-radius:32px;padding:28px;color:#fff;box-shadow:0 30px 80px rgba(13,23,39,.22)}
.hero-card .mini{opacity:.72;font-size:.9rem}
.hero-card strong{display:block;font-size:2rem;margin:8px 0 20px}
.hero-products{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.hero-products div{background:#fff;border-radius:18px;padding:8px}
.section{padding:82px 0}
.section.alt{background:var(--bg)}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}
.section-head h2{font-size:clamp(2.2rem,4vw,3.7rem);letter-spacing:-.04em}
.section-head p{max-width:610px;color:var(--muted);margin:0}
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:0 10px 30px rgba(17,24,39,.04)}
.product-image{aspect-ratio:1/1;background:#f1f3f6;padding:26px;display:grid;place-items:center}
.product-image img{width:100%;height:100%;object-fit:contain;border-radius:14px}
.product-body{padding:24px}
.product-body h3{font-size:1.45rem}
.product-body p{color:var(--muted)}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}
.tag{font-size:.78rem;padding:6px 9px;border-radius:999px;background:#eef2f7;color:#34445e;font-weight:800}
.price-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}
.price-box{border:1px solid var(--line);border-radius:14px;padding:12px}
.price-box span{display:block;color:var(--muted);font-size:.82rem}
.price-box b{font-size:1.06rem}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{padding:26px;border-radius:20px;background:#fff;border:1px solid var(--line)}
.feature strong{display:block;font-size:1.15rem;margin-bottom:8px}
.providers-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;align-items:center}
.provider{height:120px;border:1px solid var(--line);border-radius:18px;background:#fff;display:grid;place-items:center;padding:20px}
.provider img{max-height:64px;max-width:150px;filter:grayscale(100%);opacity:.6;transition:.3s ease}
.provider:hover img{filter:grayscale(0%);opacity:1;transform:scale(1.06)}
.contact-box{background:var(--navy);color:#fff;border-radius:32px;padding:48px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.contact-box h2{font-size:clamp(2rem,4vw,3.5rem)}
.footer{padding:28px 0;border-top:1px solid var(--line);font-size:.9rem;color:#586174}
.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.whatsapp-float{position:fixed;right:22px;bottom:22px;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#25D366;color:#fff;font-size:1.55rem;box-shadow:0 14px 35px rgba(0,0,0,.22);z-index:80}
.admin-wrap{min-height:100vh;background:#f4f6f8}
.admin-top{background:#0f1c30;color:#fff;padding:18px 0}
.admin-grid{display:grid;grid-template-columns:240px 1fr;min-height:calc(100vh - 60px)}
.admin-side{background:#fff;border-right:1px solid var(--line);padding:24px}
.admin-side a{display:block;padding:11px 12px;border-radius:10px;margin-bottom:5px;font-weight:700}
.admin-side a:hover{background:#eef2f7}
.admin-main{padding:34px}
.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;margin-bottom:20px}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.form-group{display:flex;flex-direction:column;gap:7px}
.form-group.full{grid-column:1/-1}
input,textarea,select{width:100%;padding:12px 13px;border:1px solid #cfd6df;border-radius:10px;font:inherit}
textarea{min-height:110px;resize:vertical}
.alert{padding:12px 14px;border-radius:10px;margin-bottom:14px;background:#e9f7ef;color:#17633b}
.danger{color:#b42318}
.login-page{min-height:100vh;display:grid;place-items:center;background:#f3f5f8}
.login-card{width:min(430px,92%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:0 25px 60px rgba(0,0,0,.08)}
@media(max-width:900px){
 .hero-grid,.products,.features,.contact-box{grid-template-columns:1fr}
 .providers-grid{grid-template-columns:repeat(2,1fr)}
 .nav-links{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;padding:20px;flex-direction:column;border-bottom:1px solid var(--line)}
 .nav-links.open{display:flex}
 .menu-btn{display:block}
 .admin-grid{grid-template-columns:1fr}
 .admin-side{border-right:0;border-bottom:1px solid var(--line)}
 .form-grid{grid-template-columns:1fr}
}