body{margin:0;font-family:Arial,sans-serif;background:#0b0f19;color:#f8fafc}
.hero{height:100vh;background:linear-gradient(rgba(8,15,30,.75),rgba(8,15,30,.75)),url('https://images.unsplash.com/photo-1513828583688-c52646db42da?auto=format&fit=crop&w=1600&q=80') center/cover}
.overlay{height:100%}
nav{display:flex;justify-content:space-between;padding:24px 8%;color:#fff}
.center{max-width:850px;padding:12% 8%}
h1{font-size:64px;line-height:1.05;margin:0 0 20px}
p{font-size:20px;line-height:1.7;color:#d7dde5}
.btn{display:inline-block;margin:12px 10px 0 0;padding:14px 28px;background:#1e88e5;color:#fff;text-decoration:none;border-radius:30px}
.secondary{background:transparent;border:2px solid #1e88e5}
.section{padding:90px 10%}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:22px;padding:0 10% 90px}
.card{background:#112240;padding:28px;border-radius:14px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);text-align:center;padding:70px 10%;background:#09111f}
.stats strong{display:block;font-size:42px;color:#1e88e5}
footer{text-align:center;padding:80px 10%;background:#112240}
@media(max-width:768px){h1{font-size:42px}.stats{grid-template-columns:repeat(2,1fr)}}
/* Portal de respaldo */
.portal-body{background:#f4f7fa;color:#0b2035}.portal-header{background:#0b2035}.portal-header nav{align-items:center}.back{color:#fff;text-decoration:none;font-weight:600}.portal-main{max-width:1180px;margin:auto;padding:70px 6% 100px}.portal-hero{text-align:center;max-width:800px;margin:0 auto 55px}.eyebrow,.mini-label{font-size:12px;letter-spacing:2px;font-weight:700;color:#1e88e5}.portal-hero h1{font-size:52px;margin:10px 0 18px;color:#0b2035}.portal-hero p{color:#526273;font-size:18px}.portal-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(280px,.8fr);gap:28px}.upload-card,.info-card{background:#fff;border-radius:18px;padding:32px;box-shadow:0 12px 35px rgba(11,32,53,.09)}.card-head{display:flex;justify-content:space-between;align-items:flex-start}.card-head h2{margin:7px 0 22px;font-size:30px}.secure{font-size:12px;font-weight:700;background:#eaf7ef;color:#227344;padding:8px 12px;border-radius:20px}.dropzone{min-height:250px;border:2px dashed #9bb3c7;border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;cursor:pointer;background:#f8fbfd;transition:.2s}.dropzone:hover,.dropzone.drag{border-color:#1e88e5;background:#eef7ff}.upload-icon{width:58px;height:58px;border-radius:50%;background:#e6f2fb;color:#1e88e5;font-size:34px;display:grid;place-items:center;margin-bottom:12px}.dropzone strong{font-size:18px}.dropzone span{margin-top:6px;color:#526273}.dropzone small{margin-top:18px;color:#7a8794}.file-list{margin-top:18px}.file-row{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid #e1e7ed;border-radius:10px;margin-top:8px}.file-row>div{flex:1}.file-row strong{display:block;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-row small{color:#7a8794}.file-row button{border:0;background:none;font-size:22px;color:#8793a0;cursor:pointer}.upload-btn{border:0;cursor:pointer;margin-top:20px}.upload-btn:disabled{opacity:.45;cursor:not-allowed}.status{margin-top:12px;min-height:20px;font-size:14px;color:#526273}.status.success{color:#227344}.demo-note{font-size:12px!important;color:#8995a1!important;margin:18px 0 0!important}.info-card h3{font-size:22px;margin-top:0}.storage{display:flex;justify-content:space-between;margin:30px 0 10px}.storage strong{display:block;font-size:22px}.storage span{font-size:12px;color:#7a8794}.bar{height:9px;background:#e8edf2;border-radius:10px;overflow:hidden}.bar span{display:block;width:3%;height:100%;background:#1e88e5}.info-card ul{padding:0;list-style:none;margin:28px 0}.info-card li{padding:10px 0;border-bottom:1px solid #edf0f3;font-size:14px}.info-card li:before{content:'✓';color:#1e88e5;font-weight:700;margin-right:10px}.info-card .btn{font-size:14px}.info-card .secondary{color:#1e88e5;background:#fff;border-color:#1e88e5}
@media(max-width:800px){.portal-main{padding:50px 5%}.portal-hero h1{font-size:40px}.portal-grid{grid-template-columns:1fr}.portal-header nav{padding:18px 5%}.dropzone{min-height:210px}}
.navlinks{display:flex;gap:22px;align-items:center}.navlinks a{color:#fff;text-decoration:none;font-size:14px}.navlinks .portal-link{padding:10px 15px;border:1px solid #1e88e5;border-radius:22px}.portal-promo{background:#0e1d31}.portal-promo h2{font-size:38px}.portal-promo .btn{margin-top:10px}
@media(max-width:768px){nav{align-items:flex-start}.navlinks{display:none}}