:root { --navy:#152738; --slate:#606B77; --accent:#B65A34; --paper:#F8F9FB; --ink:#263646; --line:#EBEEF3; }
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:"Segoe UI Variable","Segoe UI",Tahoma,Verdana,Arial,sans-serif;font-size:17px;line-height:1.6;color:var(--ink);background:#fff}
a{color:var(--navy);text-decoration:none}
.container{width:92%;max-width:1200px;margin:0 auto}

/* Header */
.header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 0;gap:16px}
.brand img{height:34px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:22px;white-space:nowrap}
.nav-links a{font-weight:600;color:#41505d}
.nav-links a:hover{color:var(--navy)}
.cta-btn{background:var(--navy);color:#fff;padding:10px 14px;border-radius:10px;font-weight:700;border:none;cursor:pointer;opacity:.95}
.cta-btn:hover{opacity:.9}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:18px;color:var(--navy)}
.mobile-menu{display:none;position:absolute;right:16px;top:60px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px;box-shadow:0 10px 24px rgba(0,0,0,.04)}
.mobile-menu a{display:block;padding:10px 12px;color:#41505d}
.mobile-menu a:focus,.mobile-menu a:hover{background:var(--paper);color:var(--navy)}

/* Hero */
.hero{padding:92px 0 56px;background:linear-gradient(180deg,#fff 0%, var(--paper) 100%);text-align:center}
.hero .kicker{color:#73808c;font-weight:800;letter-spacing:.06em}
.hero h1{font-size:clamp(30px,5.6vw,46px);line-height:1.12;margin:14px 0 12px;color:var(--navy)}
.hero p{font-size:clamp(16px,2.1vw,19px);color:var(--slate);max-width:820px;margin:0 auto}
.hero .actions{display:flex;justify-content:center;gap:12px;margin-top:18px;flex-wrap:wrap}
.btn-outline{border:1.1px solid var(--navy);color:var(--navy);background:transparent;padding:10px 14px;border-radius:10px;font-weight:700;opacity:.95}

/* Sections */
.section{padding:64px 0;border-top:1px solid var(--line)}
.section h2{color:var(--navy);font-size:clamp(22px,4vw,32px);margin:0 0 8px;text-align:center}
.section .subtitle{color:var(--slate);margin:0 auto 24px;max-width:800px;text-align:center}

/* Cards */
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.card{display:flex;flex-direction:column;gap:10px;padding:20px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:transform .18s ease, box-shadow .18s ease}
.card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.04)}
.badge{align-self:flex-start;display:inline-block;font-size:12px;font-weight:800;letter-spacing:.06em;color:#fff;background:var(--navy);padding:6px 10px;border-radius:20px;margin-bottom:6px;opacity:.96}
.card h3{margin:0;color:var(--navy);font-size:20px;line-height:1.35}
.card p{margin:8px 0 6px;color:var(--slate)}
.card ul{margin:8px 0 0;padding-left:18px}
.card li{margin:2px 0}
.check{color:var(--accent);font-weight:800;margin-right:4px}

/* Metodo (fixed) */
#metodo.section{padding-top:64px;padding-bottom:64px}
.process{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));align-items:stretch}
.step{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;min-height:160px;box-shadow:0 6px 16px rgba(0,0,0,.03)}
.step .num{width:28px;height:28px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:2px;flex:0 0 auto}
.step h3{margin:0;color:var(--navy);font-size:18px;line-height:1.35}
.step p{margin:0;color:var(--slate)}
#metodo .subtitle{margin-bottom:22px}
@media (max-width: 520px){ .process{grid-template-columns:1fr} }

/* Casi d'uso (fixed) */
#casi.section{padding-top:64px;padding-bottom:64px}
.cases{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;align-items:stretch}
.case{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;flex-direction:column;justify-content:flex-start;min-height:140px;box-shadow:0 6px 16px rgba(0,0,0,.03)}
.case h4{margin:0 0 8px;color:var(--navy);font-size:18px;line-height:1.35}
.case p{margin:0;color:var(--slate)}

/* Lab */
.lab{padding:64px 0;background:#fff;border-top:1px solid var(--line)}
.lab .wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:start}
.lab .panel{border:1px solid var(--line);border-radius:14px;background:var(--paper);padding:18px}
.lab h2{text-align:left;margin-bottom:6px}
.lab .intro{color:var(--slate);margin:0 0 14px;max-width:720px}
.lab h3{margin:0 0 8px;color:var(--navy)}
.lab p{margin:0 0 10px;color:var(--slate)}
.lab .pill{display:inline-block;background:#eef2f6;color:#41505d;border:1px solid var(--line);border-radius:999px;padding:6px 10px;font-size:12px;margin-right:6px;margin-bottom:6px}
.lab .cta-row{margin-top:12px}
@media (max-width: 980px){ .lab .wrap{grid-template-columns:1fr} }

/* Contact */
.contact{background:linear-gradient(180deg,#fff 0%, var(--paper) 100%)}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;display:grid;gap:20px;grid-template-columns:1.2fr 0.8fr;box-shadow:0 12px 30px rgba(0,0,0,.04)}
.contact-card h3{margin:0 0 6px;color:var(--navy)}
.contact .help{color:var(--slate);font-size:15px;margin-top:-4px}
label{display:block;margin:2px 0 6px;color:#384552;font-weight:600}
input,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:16px;background:#fff}
input:focus,textarea:focus{outline:3px solid #8aa6bf;border-color:#8aa6bf}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:4px}
.form-actions .hint{font-size:13px;color:var(--slate)}
.success-msg{display:none;margin-top:10px;color:#1a7f37;font-weight:700}
@media (max-width: 920px){ .contact-card{grid-template-columns:1fr} .form-row{grid-template-columns:1fr} }

/* Footer & legal */
footer{padding:0;border-top:1px solid var(--line);color:var(--slate)}
.footer-hero{background:linear-gradient(180deg,var(--paper) 0%, #fff 100%);padding:42px 0;text-align:center;border-bottom:1px solid var(--line)}
.footer-hero h3{margin:0;color:var(--navy);font-size:22px;letter-spacing:.02em}
.footer-hero p{margin:8px auto 0;max-width:780px;color:var(--slate)}
.footer-bottom{padding:22px 0}
.small{font-size:12px;color:var(--slate)}

@media (max-width: 980px){ .nav-links a{font-size:15px} .cta-btn{padding:8px 12px} }
@media (max-width: 840px){ .nav-links{display:none} .menu-toggle{display:inline-block} }