:root{--p:#0b5d2a;--d:#063b1f;--a:#7bc043;--t:#1f2937}*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,sans-serif;color:var(--t);background:#f7faf7}.container{max-width:1200px;margin:auto;padding:0 20px}
header{position:fixed;top:0;width:100%;z-index:1000;background:rgba(6,59,31,.92)}.nav{display:flex;justify-content:space-between;align-items:center;padding:12px 0}
.logo img{height:56px}nav{display:flex;gap:24px}nav a{color:#fff;text-decoration:none;font-weight:600}
.menu-toggle{display:none;background:none;border:none;color:#fff;font-size:2rem}
.hero{min-height:100vh;background:linear-gradient(rgba(0,0,0,.35),rgba(0,0,0,.45)),url('assets/banner-cooperativacauses.jpg') center/cover no-repeat;display:flex;align-items:center;text-align:center;color:#fff}
.hero-content{max-width:900px;margin:auto;padding:120px 20px 60px}.hero h1{font-size:clamp(2.5rem,7vw,5.8rem)}.hero p{font-size:1.25rem;line-height:1.8}
.btn{display:inline-block;margin-top:24px;padding:16px 34px;border-radius:999px;background:linear-gradient(90deg,#2f8f35,#67b742);color:#fff;text-decoration:none;font-weight:700}
section{padding:80px 0}h2{text-align:center;color:var(--p);font-size:2.4rem}.subtitle{text-align:center;max-width:800px;margin:0 auto 40px;color:#4b5563;line-height:1.8}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:28px}.card{background:#fff;padding:32px;border-radius:20px;box-shadow:0 12px 30px rgba(0,0,0,.08)}
.carousel{position:relative;overflow:hidden;border-radius:24px;box-shadow:0 20px 40px rgba(0,0,0,.12)}.slides{display:flex;transition:transform .5s ease}
.slide{min-width:100%}.slide img{width:100%;height:600px;object-fit:cover;display:block}
.arrow{position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,.45);color:#fff;border:none;width:52px;height:52px;border-radius:50%;cursor:pointer}
.prev{left:20px}.next{right:20px}
.docs{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}.doc{display:block;background:#fff;padding:22px;border-radius:16px;text-decoration:none;color:var(--p);font-weight:700;box-shadow:0 10px 25px rgba(0,0,0,.08)}
footer{background:linear-gradient(90deg,var(--d),var(--p));color:#fff;padding:50px 0;text-align:center}
.whatsapp{position:fixed;right:20px;bottom:20px;width:62px;height:62px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;font-size:2rem;text-decoration:none;z-index:1001}
@media(max-width:900px){.menu-toggle{display:block}nav{display:none;position:absolute;top:80px;left:0;right:0;background:var(--d);flex-direction:column;padding:20px}nav.show{display:flex}.slide img{height:320px}}

.premium-gallery{position:relative;background:#fff;padding:14px;border-radius:24px;box-shadow:0 20px 40px rgba(0,0,0,.12)}
.gallery-main{position:relative;overflow:hidden;border-radius:18px}
.gallery-main .slide{display:none}
.gallery-main .slide.active{display:block}
.gallery-main img{width:100%;height:600px;object-fit:cover;display:block}
.gallery-arrow{position:absolute;top:42%;transform:translateY(-50%);z-index:10;background:rgba(0,0,0,.45);color:#fff;border:none;width:56px;height:56px;border-radius:50%;cursor:pointer;font-size:1.5rem}
.gallery-arrow.prev{left:28px}
.gallery-arrow.next{right:28px}
.gallery-thumbs{display:flex;gap:10px;overflow-x:auto;padding-top:14px}
.gallery-thumbs::-webkit-scrollbar{height:8px}
.gallery-thumbs::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:99px}
.thumb{width:110px;height:70px;object-fit:cover;border-radius:10px;cursor:pointer;opacity:.65;border:3px solid transparent;transition:.25s;flex:0 0 auto}
.thumb:hover{opacity:1;transform:translateY(-2px)}
.thumb.active{opacity:1;border-color:var(--a);box-shadow:0 0 0 2px rgba(123,192,67,.25)}
@media(max-width:900px){
  .gallery-main img{height:320px}
  .thumb{width:80px;height:56px}
  .gallery-arrow{width:44px;height:44px}
}