:root{--primary:#0284c7;--primary-dark:#0369a1;--secondary:#06b6d4;--ink:#1f2937;--muted:#64748b;--soft:#f8fafc;--line:#e2e8f0;--white:#fff;--radius:20px;--shadow:0 12px 32px rgba(15,23,42,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:var(--white);line-height:1.65}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 40px));margin:auto}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:12px;top:12px;z-index:9999;background:#fff;padding:10px;color:var(--primary);border-radius:8px}
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}.logo{font-size:1.25rem;font-weight:800;color:var(--primary);white-space:nowrap}.nav-links{display:flex;align-items:center;gap:20px}.nav-links>a,.nav-dropdown>summary{font-size:.94rem;font-weight:650;color:#334155;cursor:pointer;list-style:none}.nav-dropdown>summary::-webkit-details-marker{display:none}.nav-dropdown{position:relative}.dropdown-menu{position:absolute;right:0;top:32px;display:grid;min-width:220px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:8px}.dropdown-menu a{padding:10px 12px;border-radius:8px;font-size:.92rem}.dropdown-menu a:hover{background:#f0f9ff;color:var(--primary)}.nav-links a:hover,.nav-dropdown>summary:hover{color:var(--primary)}
.btn{display:inline-block;border:0;cursor:pointer;padding:13px 21px;border-radius:12px;font:inherit;font-weight:750;transition:.2s ease}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-light{background:#fff;color:var(--primary)}.btn-outline{border:2px solid var(--primary);color:var(--primary);background:transparent}.btn-nav{padding:10px 16px;color:#fff!important;background:var(--primary)}
.hero{padding:88px 0 92px;color:#fff;background:linear-gradient(135deg,var(--primary),var(--secondary))}.hero-inner{max-width:820px}.eyebrow{margin:0 0 10px;text-transform:uppercase;letter-spacing:.1em;font-size:.8rem;font-weight:800;opacity:.85}.hero h1{font-size:clamp(2.15rem,5vw,4.15rem);line-height:1.1;margin:0 0 20px}.hero p{font-size:1.15rem;max-width:700px;margin:0 0 28px;color:#e0f2fe}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.page-hero{padding:68px 0;background:linear-gradient(135deg,#075985,var(--primary),var(--secondary));color:#fff}.page-hero h1{font-size:clamp(2rem,4vw,3.3rem);line-height:1.15;margin:0 0 16px}.page-hero p{max-width:760px;margin:0;color:#e0f2fe;font-size:1.1rem}
section{padding:76px 0}.soft{background:var(--soft)}.section-heading{max-width:750px;margin:0 auto 40px;text-align:center}.section-heading h2{font-size:clamp(1.75rem,3vw,2.6rem);line-height:1.2;margin:0 0 12px}.section-heading p{margin:0;color:var(--muted)}.grid{display:grid;gap:24px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}.card h3{margin:0 0 10px;font-size:1.25rem}.card p{margin:0;color:var(--muted)}.icon{width:50px;height:50px;display:grid;place-items:center;border-radius:14px;background:#e0f2fe;color:var(--primary);font-size:1.45rem;margin-bottom:18px}.check-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}.check-list li{padding-left:28px;position:relative}.check-list li:before{content:'✓';position:absolute;left:0;color:var(--primary);font-weight:800}.steps{counter-reset:step}.step{position:relative;padding-left:70px}.step:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;color:#fff;background:var(--primary);font-weight:800}.step h3{margin:0 0 8px}.step p{margin:0;color:var(--muted)}
.gallery-card{overflow:hidden;padding:0}.gallery-card img{width:100%;aspect-ratio:4/3;object-fit:cover}.gallery-card div{padding:20px}.gallery-card h3{margin:0 0 6px}.gallery-card p{margin:0;color:var(--muted)}.faq{max-width:850px;margin:auto;display:grid;gap:12px}.faq details{border:1px solid var(--line);border-radius:14px;padding:18px 20px;background:#fff}.faq summary{font-weight:750;cursor:pointer}.faq p{margin:12px 0 0;color:var(--muted)}.cta{background:linear-gradient(135deg,var(--primary),#0891b2);color:#fff;text-align:center}.cta h2{font-size:clamp(1.75rem,3vw,2.5rem);margin:0 0 12px}.cta p{margin:0 auto 24px;max-width:700px;color:#e0f2fe}
.article{max-width:840px;margin:0 auto 24px}.article h2{margin-top:0}.article h3{margin-top:28px}.article p,.article li{color:#475569}.article ul{padding-left:22px}.calculator{max-width:820px;margin:0 auto}.calculator-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.field{display:grid;gap:7px}.field label{font-size:.88rem;font-weight:750;color:#334155}.field input,.field select{width:100%;padding:13px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;font:inherit}.field input:focus,.field select:focus{outline:3px solid #bae6fd;border-color:var(--primary)}.full{grid-column:1/-1}.result{margin-top:25px;background:#e0f2fe;border:1px solid #bae6fd;border-radius:16px;padding:24px;text-align:center}.result strong{font-size:2.1rem;color:var(--primary);display:block}.result p{margin:8px 0;color:#334155}.small{font-size:.9rem;color:var(--muted)}
footer{background:#111827;color:#cbd5e1;padding:50px 0 25px}footer .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}footer h3,footer h4{margin:0 0 10px;color:#fff}footer p,footer a{margin:6px 0;display:block;font-size:.94rem}.copyright{border-top:1px solid #334155;margin-top:30px;padding-top:20px;font-size:.85rem}.whatsapp{position:fixed;right:20px;bottom:20px;z-index:30;width:58px;height:58px;display:grid;place-items:center;border-radius:50%;background:#22c55e;color:#fff;font-size:1.5rem;box-shadow:0 10px 24px rgba(0,0,0,.25)}
@media(max-width:900px){.nav{padding:14px 0;align-items:flex-start}.nav-links{flex-wrap:wrap;justify-content:flex-end;gap:10px 15px}.nav-links>a,.nav-dropdown>summary{font-size:.84rem}.grid-3{grid-template-columns:1fr 1fr}}@media(max-width:620px){.container{width:min(100% - 30px,1180px)}.nav{display:block}.logo{padding:5px 0 12px}.nav-links{justify-content:flex-start}.btn-nav{padding:8px 12px}.dropdown-menu{left:0;right:auto}.hero{padding:68px 0}.grid-3,.grid-2,.calculator-grid,footer .footer-grid{grid-template-columns:1fr}section{padding:58px 0}.card{padding:23px}.page-hero{padding:54px 0}.whatsapp{width:52px;height:52px;right:14px;bottom:14px}.full{grid-column:auto}}