/* vuola.tech — brand: Manual de Identidad Visual Vuola v1.0 */
:root{
  --blue:#2672B7; --teal:#51BBB8; --navy:#163A5C; --teal-dark:#2E8A87;
  --fog:#F4F7FA; --slate:#4A5568; --white:#ffffff;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Mulish',-apple-system,'Segoe UI',sans-serif;color:var(--navy);background:var(--white);line-height:1.6;font-size:16px}
a{color:var(--teal-dark);text-decoration:none}
a:hover{color:var(--blue)}
img,svg{display:block}
.container{max-width:1100px;margin:0 auto;padding:0 24px}

/* Header */
header{position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid #e6ecf2;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy)}
.brand .wordmark{font-weight:700;font-size:1.25rem;letter-spacing:.12em;color:var(--navy)}
.brand .tag{display:block;font-size:.62rem;letter-spacing:.06em;color:var(--teal-dark);font-weight:600;text-transform:none}
nav.menu{display:flex;gap:26px;align-items:center}
nav.menu a{color:var(--slate);font-weight:600;font-size:.92rem}
nav.menu a.active,nav.menu a:hover{color:var(--blue)}
.lang{font-size:.8rem;font-weight:700;letter-spacing:.05em;border:1px solid #d6dee8;border-radius:6px;padding:5px 10px;color:var(--slate)}
.lang:hover{border-color:var(--blue);color:var(--blue)}

/* Hero */
.hero{background:linear-gradient(160deg,var(--navy) 0%,#1d4a75 60%,var(--blue) 100%);color:#fff;padding:96px 0 88px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:0;top:0;bottom:0;width:58%;background:url("hero-circuit.svg") right center/contain no-repeat;opacity:.55;pointer-events:none}
.hero .container{position:relative;z-index:1}
.hero .kicker{font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--teal);font-weight:700;margin-bottom:18px}
.hero h1{font-size:clamp(2.2rem,5vw,3.4rem);font-weight:700;line-height:1.12;max-width:760px}
.hero h1 em{font-style:normal;color:var(--teal)}
.hero p.lead{margin-top:22px;font-size:1.15rem;max-width:640px;color:#dbe7f2}
.hero .cta{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 26px;border-radius:8px;font-weight:700;font-size:.95rem}
.btn-primary{background:var(--teal);color:var(--navy)}
.btn-primary:hover{background:#fff;color:var(--navy)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--navy);color:#fff}

/* Trust bar */
.trustbar{background:var(--fog);border-bottom:1px solid #e6ecf2}
.trustbar .inner{display:flex;flex-wrap:wrap;gap:10px 38px;justify-content:center;padding:18px 0;font-size:.85rem;font-weight:700;color:var(--slate)}
.trustbar span::before{content:"◆";color:var(--teal-dark);margin-right:8px;font-size:.6rem;vertical-align:2px}

/* Sections */
section{padding:72px 0}
section.alt{background:var(--fog)}
.kicker{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--teal-dark);font-weight:800;margin-bottom:10px}
h2{font-size:1.9rem;font-weight:700;color:var(--navy);margin-bottom:14px;line-height:1.25}
h3{font-size:1.15rem;font-weight:700;color:var(--navy)}
p.sub{color:var(--slate);max-width:720px;margin-bottom:36px}

.grid{display:grid;gap:24px}
.grid.c3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid.c2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.card{background:#fff;border:1px solid #e6ecf2;border-radius:12px;padding:28px;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:0 10px 30px rgba(22,58,92,.10);transform:translateY(-2px)}
.card .icon{width:44px;height:44px;border-radius:10px;background:var(--fog);display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--blue);font-size:1.2rem}
.card h3{margin-bottom:10px}
.card p{color:var(--slate);font-size:.94rem}
.card ul{margin:12px 0 0 18px;color:var(--slate);font-size:.92rem}
.card ul li{margin-bottom:6px}
.card .label{display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-dark);background:#e8f4f4;padding:4px 10px;border-radius:20px;margin-bottom:14px}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:24px;text-align:center}
.stats .num{font-size:2.4rem;font-weight:800;color:var(--blue)}
.stats .lbl{font-size:.85rem;color:var(--slate);font-weight:600}

/* Project cards */
.project{border-left:4px solid var(--teal);background:#fff;border-radius:0 12px 12px 0;padding:28px;border-top:1px solid #e6ecf2;border-right:1px solid #e6ecf2;border-bottom:1px solid #e6ecf2}
.project .meta{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.project .meta span{font-size:.72rem;font-weight:700;background:var(--fog);color:var(--slate);padding:4px 10px;border-radius:20px}
.project p{color:var(--slate);font-size:.95rem}

/* Audience strip */
.aud{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.aud .a-card{background:var(--navy);color:#fff;border-radius:12px;padding:30px}
.aud .a-card h3{color:var(--teal);margin-bottom:10px}
.aud .a-card p{color:#cfdcea;font-size:.93rem}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--blue),var(--teal-dark));color:#fff;text-align:center;padding:64px 0}
.cta-band h2{color:#fff}
.cta-band p{color:#e4f1f1;max-width:600px;margin:0 auto 28px}

/* Contact */
.contact-box{background:#fff;border:1px solid #e6ecf2;border-radius:12px;padding:32px}
.contact-box dt{font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-dark);margin-top:18px}
.contact-box dd{margin:2px 0 0;color:var(--navy);font-weight:600}
.contact-box dd a{color:var(--blue)}

/* Footer */
footer{background:var(--navy);color:#b9c9d9;padding:52px 0 32px;font-size:.88rem}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px;margin-bottom:34px}
footer h4{color:#fff;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
footer a{color:#b9c9d9;display:block;margin-bottom:8px}
footer a:hover{color:var(--teal)}
footer .slogan{color:var(--teal);font-weight:700;margin-top:8px}
footer .legal{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;font-size:.78rem;color:#8fa5b8;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

@media(max-width:820px){
  .nav{height:auto;flex-wrap:wrap;padding:12px 0;gap:8px}
  nav.menu{width:100%;flex-wrap:wrap;gap:10px 18px;font-size:.86rem;justify-content:flex-start}
  footer .cols{grid-template-columns:1fr}
  .hero::after{width:100%;opacity:.25}
}