:root{
  --teal:#137869;
  --ink:#0f2130;
  --surface:rgba(255,255,255,.9);
  --shadow:0 10px 30px rgba(2,6,23,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:#0b2530;background:#f8fafc}
.bg-pattern{position:fixed;inset:0;z-index:-1;background:
  repeating-linear-gradient(-24deg, rgba(18,120,105,.06) 0px, rgba(18,120,105,.06) 20px, rgba(18,120,105,0) 20px, rgba(18,120,105,0) 70px);
}
a{color:inherit;text-decoration:none}
/* Header */
.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.8);backdrop-filter:blur(8px);border-bottom:1px solid #cfe7e3}
.header-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;padding:14px 24px;height:80px}
.brand-logo{height:66px;object-fit:contain}
.nav{display:flex;gap:48px;justify-content:center;font-size:15px;overflow-x:auto;white-space:nowrap;padding:0 6px}
.nav a{padding:6px 4px;border-radius:999px}
.nav a:hover{color:var(--teal)}
.cta{display:none;justify-content:flex-end}
@media (min-width: 768px){ .cta{display:flex} }
/* Button */
.btn{background:var(--teal);color:#fff;padding:10px 18px;border-radius:999px;box-shadow:var(--shadow)}
.btn:hover{filter:brightness(.95)}
/* Hero */
.hero{padding:56px 0 24px}
.container{max-width:1100px;margin:0 auto;padding:0 24px}
.hero-title{font-size:48px;line-height:1.1;margin:0 0 12px;color:var(--ink);font-weight:700}
.hero-title span{color:var(--teal)}
.hero-sub{font-size:20px;color:#344f58;max-width:680px}
/* Sections */
.section{padding:36px 0 12px;scroll-margin-top:110px}
.section-title{font-size:28px;margin:0 0 18px;color:var(--ink)}
.card{background:var(--surface);border:1px solid #e5f1ef;border-radius:18px;padding:24px;box-shadow:var(--shadow)}
.stack .card+.card{margin-top:16px}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media (max-width:900px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.header-inner{grid-template-columns:1fr auto;grid-template-areas:'brand brand' 'nav nav';height:auto;gap:10px}.nav{justify-content:flex-start;gap:24px}.brand-logo{height:56px}.hero-title{font-size:40px}.grid{grid-template-columns:1fr}}
.price{margin-top:12px;color:var(--teal);font-weight:700}
/* Contact */
.contact{display:grid;grid-template-columns:2fr 1fr;gap:18px}
@media (max-width:900px){.contact{grid-template-columns:1fr}}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-grid textarea{grid-column:1/-1;min-height:120px;resize:vertical}
@media (max-width:600px){.form-grid{grid-template-columns:1fr}}
.form-grid input,.form-grid textarea{border:1px solid #d0dfe0;border-radius:10px;padding:10px 12px;font:inherit}
.btn-full{grid-column:1/-1;text-align:center;border:none;cursor:pointer}
/* Footer */
.footer{margin-top:30px;border-top:1px solid #cfe7e3;background:rgba(255,255,255,.7)}
.footer-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:24px}
/* Animaciones elegantes */
@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}100%{opacity:1;transform:translateY(0)}}
.animate{opacity:0;transform:translateY(10px)}
.animate.in{animation:fadeInUp 1s ease-out forwards}
.animate-delay{opacity:0;transform:translateY(10px)}
.animate-delay.in{animation:fadeInUp 1.5s ease-out forwards}
.animate-slow{opacity:0;transform:translateY(10px)}
.animate-slow.in{animation:fadeInUp 2s ease-out forwards}
@media (prefers-reduced-motion: reduce){
  .animate,.animate-delay,.animate-slow{animation:none !important;opacity:1 !important;transform:none !important}
}