/* Instituto Grafos · estilos v2 (oct 2026) · usado por header_v2.php */
:root{
  --az-950:#05222F; --az-900:#072C3E; --az-800:#0A3D55; --az-700:#00739C;
  --celeste:#0099CC; --celeste-100:#D2EEF8; --celeste-50:#EAF7FC;
  --verde:#5DAA62; --verde-600:#3E8A4D; --verde-50:#EEF7EF;
  --mostaza:#E3A81B; --mostaza-300:#F2CB55; --mostaza-50:#FDF6E3;
  --tinta:#1C2B33; --tinta-2:#3D4F59; --tinta-3:#6B7D87;
  --linea:#E2EBF0; --fondo:#F4F8FA; --blanco:#fff;
  --barra:linear-gradient(90deg,#0099CC 0%,#0099CC 40%,#5DAA62 62%,#E3A81B 82%,#D9822B 100%);
  --r:16px; --r-s:10px;
  --sombra:0 1px 2px rgba(7,44,62,.06),0 8px 24px rgba(7,44,62,.08);
  --sombra-g:0 2px 4px rgba(7,44,62,.06),0 18px 48px rgba(7,44,62,.14);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans',system-ui,sans-serif;color:var(--tinta);background:var(--blanco);font-size:16px;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.cont{max-width:1200px;margin:0 auto;padding:0 24px}
.serif{font-family:'Lora',Georgia,serif}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;color:var(--az-900)}
h2{font-size:clamp(28px,3.4vw,42px);font-weight:800}
h3{font-size:20px;font-weight:700}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--az-700)}
.kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--barra)}
.lead{font-size:18px;color:var(--tinta-2);max-width:720px}
.sec{padding:96px 0}
.sec-fondo{background:var(--fondo)}
.sec-oscura{background:var(--az-900);color:#DCE9EF}
.sec-oscura h2,.sec-oscura h3{color:#fff}
.sec-oscura .kicker{color:var(--mostaza-300)}
.cab-sec{margin-bottom:48px}
.cab-sec h2{margin:12px 0 14px}
.centro{text-align:center}.centro .lead{margin:0 auto}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:700;font-size:15.5px;padding:14px 24px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn-mostaza{background:var(--mostaza);color:var(--az-950);box-shadow:0 6px 18px rgba(227,168,27,.35)}
.btn-mostaza:hover{background:var(--mostaza-300)}
.btn-celeste{background:var(--celeste);color:#fff;box-shadow:0 6px 18px rgba(0,153,204,.3)}
.btn-celeste:hover{background:var(--az-700)}
.btn-borde{border-color:rgba(255,255,255,.55);color:#fff}
.btn-borde:hover{background:rgba(255,255,255,.1)}
.btn-borde-az{border-color:var(--az-900);color:var(--az-900)}
.btn-borde-az:hover{background:var(--az-900);color:#fff}
.btn-wsp{background:#25D366;color:#fff}
.btn-wsp:hover{background:#1EBE5A}
.btn svg{width:18px;height:18px;flex:none}

/* Barra institucional */
.b-inst{background:var(--az-950);color:#B9D3DE;font-size:13px}
.b-inst .cont{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px}
.b-inst b{color:#fff;font-weight:600}
.b-inst nav{display:flex;gap:20px}
.b-inst nav a:hover{color:#fff}

/* Cabecera */
.cab{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--linea)}
.cab::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--barra)}
.cab .cont{display:flex;align-items:center;justify-content:space-between;gap:24px;height:100px}
.marca{display:flex;align-items:center;gap:14px}
.marca img{height:76px;width:auto}
.marca svg.sello{width:52px;height:52px}
.menu{display:flex;align-items:center;gap:2px}
.menu>a,.menu>.dd>button{font:inherit;font-size:14px;font-weight:600;color:var(--tinta);padding:10px 11px;white-space:nowrap;border-radius:999px;background:none;border:0;cursor:pointer;display:flex;align-items:center;gap:6px}
.menu>a:hover,.menu>.dd>button:hover{background:var(--celeste-50);color:var(--az-700)}
.menu .destacado{color:var(--az-700)}
.dd{position:relative}
.dd-panel{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(6px);min-width:300px;background:#fff;border-radius:var(--r);box-shadow:var(--sombra-g);padding:10px;opacity:0;visibility:hidden;transition:.18s}
.dd:hover .dd-panel,.dd:focus-within .dd-panel{opacity:1;visibility:visible;transform:translateX(-50%)}
.dd-panel a{display:block;padding:10px 12px;border-radius:10px}
.dd-panel a:hover{background:var(--fondo)}
.dd-panel b{display:block;font-size:14.5px;color:var(--az-900)}
.dd-panel span{font-size:13px;color:var(--tinta-3)}
.menu .btn{padding:11px 20px;font-size:14.5px;margin-left:8px}
.hamb{display:none;background:none;border:0;width:44px;height:44px;border-radius:12px;cursor:pointer}
.hamb span{display:block;width:22px;height:2px;background:var(--az-900);margin:5px auto;border-radius:2px}

/* Sello desde 2002 */
.sello-flot{width:120px;height:120px;filter:drop-shadow(0 10px 24px rgba(0,0,0,.35))}

/* Tarjetas genéricas */
.card{background:#fff;border:1px solid var(--linea);border-radius:var(--r);padding:28px;box-shadow:var(--sombra);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--sombra-g)}
.ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:var(--celeste-50);color:var(--az-700);margin-bottom:18px}
.ico svg{width:26px;height:26px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;padding:6px 12px;border-radius:999px;background:var(--celeste-50);color:var(--az-700)}
.chip.mostaza{background:var(--mostaza-50);color:#8A6200}
.chip.verde{background:var(--verde-50);color:var(--verde-600)}
.lista-check{list-style:none;display:grid;gap:10px}
.lista-check li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--tinta-2)}
.lista-check li::before{content:"";flex:none;width:20px;height:20px;margin-top:2px;border-radius:50%;background:var(--verde-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233E8A4D' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat}

.confianza{position:relative;background:var(--az-950) url(https://www.grafos.cl/media/fondoclientes.png) center/cover no-repeat;padding:56px 0 60px;border-top:1px solid rgba(255,255,255,.06)}
.confianza::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,34,47,.9),rgba(7,44,62,.8) 50%,rgba(5,34,47,.92))}
.confianza>.cont{position:relative;z-index:1}
/* Logos clientes */
.logos{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:22px 44px}
.logos img{height:40px;width:auto;opacity:.9;filter:grayscale(1) brightness(2)}
.logos .txt{font-weight:800;letter-spacing:.06em;color:#fff;opacity:.85;font-size:15px;text-transform:uppercase}
.logos .chip-logo{background:#fff;border-radius:12px;padding:8px 14px;height:56px;display:flex;align-items:center}
.logos .chip-logo img{height:38px;filter:none;opacity:1}

/* Pie */
.pie{background:var(--az-950);color:#9FB9C5;font-size:14.5px;padding:72px 0 0}
.pie h4{color:#fff;font-size:13px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:18px}
.pie-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:40px}
.pie ul{list-style:none;display:grid;gap:10px}
.pie a:hover{color:#fff}
.pie .red a{display:flex;gap:8px}
.pie .red a::before{content:"→";color:var(--mostaza)}
.pie-barra{border-top:1px solid rgba(255,255,255,.08);margin-top:56px;padding:22px 0;font-size:13px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.redes{display:flex;gap:10px;margin-top:20px}
.redes a{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.07)}
.redes a:hover{background:var(--celeste);color:#fff}
.redes svg{width:18px;height:18px}

/* WhatsApp flotante */
.wsp-flot{position:fixed;right:22px;bottom:22px;z-index:60;display:flex;align-items:center;gap:10px;background:#25D366;color:#fff;font-weight:700;font-size:14.5px;padding:13px 20px 13px 16px;border-radius:999px;box-shadow:0 10px 28px rgba(37,211,102,.4)}
.wsp-flot svg{width:22px;height:22px}

/* Aviso de propuesta (solo en el borrador) */
.aviso-prop-x{background:var(--mostaza-50);border-bottom:1px solid #F2DFA7;color:#6B4E00;font-size:13px;text-align:center;padding:8px 16px}

@media (max-width:1100px){
  .menu{display:none}
  .hamb{display:block}
  .menu.abierto{display:flex;flex-direction:column;align-items:stretch;position:absolute;top:100%;left:0;right:0;background:#fff;padding:12px 18px 20px;box-shadow:var(--sombra-g);max-height:80vh;overflow:auto}
  .menu.abierto .dd-panel{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;padding:0 0 0 12px;min-width:0}
  .menu.abierto .btn{margin:10px 0 0}
  .pie-grid{grid-template-columns:1fr 1fr}
  .b-inst nav{display:none}
}
@media (max-width:640px){
  .sec{padding:68px 0}
  .cont{padding:0 18px}
  .pie-grid{grid-template-columns:1fr}
  .wsp-flot span{display:none}
  .wsp-flot{padding:14px}
  .b-inst .txt-largo{display:none}
  .marca img{height:56px}
  .cab .cont{height:82px}
}

/* Carrusel de logos de clientes */
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee .track{display:flex;align-items:center;width:max-content;animation:desliza 70s linear infinite}
.marquee:hover .track{animation-play-state:paused}
.marquee .logo-c{flex:none;width:190px;height:72px;display:grid;place-items:center;padding:0 22px}
.marquee .logo-c img{max-width:100%;max-height:52px;width:auto;height:auto;opacity:.82;transition:opacity .2s}
.marquee .logo-c img:hover{opacity:1}
@keyframes desliza{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marquee .track{animation:none;flex-wrap:wrap;justify-content:center;width:auto}.marquee .track>.dup{display:none}}
@media (max-width:640px){.marquee .logo-c{width:140px;padding:0 14px}.marquee .logo-c img{max-height:40px}}