/* Clon certesa.gt — fase 1. Paleta y tipografía del sitio original. */
:root{ --az:#6cb8ee; --negro:#1b1b1b; --gris:#dedede; --texto:#000; }
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Poppins',system-ui,sans-serif;color:var(--texto);background:#fff}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* header */
.hd{position:sticky;top:0;background:#fff;border-bottom:1px solid #eee;z-index:50}
.hd-in{max-width:1500px;margin:0 auto;display:flex;align-items:center;gap:28px;padding:14px 34px}
.logo img{height:42px;width:auto}
.nav{display:flex;gap:26px;margin:0 auto;flex-wrap:wrap}
.nav a{font-size:13px;color:#222;padding-bottom:2px}
.nav a.on,.nav a:hover{border-bottom:1px solid #222}
.soc{display:flex;gap:18px;color:#111}
.soc a:hover{color:var(--az)}

/* hero tipográfico (padding fiel al original: arranca cerca del borde) */
.hero{padding:56px 3% 42px}
.hero h1,.hero h2{font-size:clamp(34px,4.4vw,66px);font-weight:600;line-height:1.18;color:#000}
.hero .az{color:var(--az)}
.hero.h2x{padding-top:56px}
.lead{padding:26px 0 8px;font-size:17px;line-height:1.75;max-width:1200px;font-family:system-ui,sans-serif;color:#111}
.lead-r{text-align:right;margin-left:auto}
.lead-r .az{color:var(--az);font-weight:600}
.h-mini{font-size:clamp(26px,3vw,44px);font-weight:600}
.h-mini .az{color:var(--az)}

/* slider */
.slider{position:relative;width:100%;height:min(56vw,500px);overflow:hidden;background:#f2f2f2}
.sl-track{width:100%;height:100%}
.sl{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .6s}
.sl.on{opacity:1}
.sl-btn{position:absolute;top:50%;transform:translateY(-50%);z-index:5;background:none;border:0;font-size:44px;color:#666;cursor:pointer;padding:6px 14px}
.sl-btn.prev{left:6px}.sl-btn.next{right:6px}
.sl-btn:hover{color:#000}

/* cards de proyectos */
.cards{background:var(--gris);display:grid;grid-template-columns:repeat(4,1fr);gap:34px;padding:56px 13%}
.cards.wrap{grid-template-columns:repeat(3,1fr)}
.card{position:relative;display:flex;align-items:center;justify-content:center;min-height:200px;background-size:cover;background-position:center;background-color:#e9e9e9;text-align:center;transition:transform .25s, box-shadow .25s}
.card span{font-size:clamp(17px,1.5vw,24px);font-weight:500;color:#111;padding:10px;background:rgba(255,255,255,.55)}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(0,0,0,.18)}

/* CTA negra */
.cta-negra{background:#000;color:#fff;padding:44px 13%}
.cta-negra h3{font-size:clamp(20px,2.2vw,30px);font-weight:600;margin-bottom:22px}
.btn-blanco{display:inline-block;background:#fff;color:#000;font-size:12px;font-weight:600;padding:14px 22px}
.btn-negro{display:inline-block;background:#000;color:#fff;font-size:13px;font-weight:600;padding:14px 26px;margin:8px 0}
.btn-linea{display:inline-block;border:1.5px solid #000;color:#000;font-size:13px;font-weight:600;padding:13px 26px;margin:8px 10px}
.btn-blanco:hover,.btn-negro:hover,.btn-linea:hover{opacity:.82}

/* texto general */
.txt{padding:30px 13% 60px}
.txt p{font-size:16px;line-height:1.75;margin:16px 0;font-family:system-ui,sans-serif}
.txt .lead{font-size:19px;font-weight:500;font-family:'Poppins',sans-serif}
.foto{margin:26px auto;max-height:560px;object-fit:cover}
.dos-col{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:20px}
.dos-col h3{font-family:'Poppins';font-size:24px;margin:18px 0 8px}
.form-caja{background:#f6f6f6;padding:30px;display:flex;flex-direction:column;align-items:flex-start;gap:6px}
p.s{font-size:13.5px;line-height:1.7;color:#222;margin:8px 0;font-family:system-ui,sans-serif}
p.s a{text-decoration:underline}

/* equipo */
.eq-hero{position:relative;min-height:min(60vw,520px);background-size:cover;background-position:center 30%;display:flex;align-items:center;justify-content:center;padding:60px 8%}
.eq-hero h1{color:#fff;font-size:clamp(26px,3.6vw,52px);font-weight:600;line-height:1.25;text-align:center;text-shadow:0 2px 18px rgba(0,0,0,.45)}
/* reel horizontal como el original (scroll-snap, sin JS) */
.equipo{display:flex;gap:44px;overflow-x:auto;scroll-snap-type:x proximity;padding:54px 4% 46px;-webkit-overflow-scrolling:touch}
.miembro{flex:0 0 min(300px,72vw);scroll-snap-align:start}
.miembro .ph-c{width:100%;aspect-ratio:1/1;border-radius:50%;overflow:hidden;background:#eef1f4;display:flex;align-items:center;justify-content:center}
.miembro .ph-c img{width:100%;height:100%;object-fit:cover}
.miembro .ini{font-family:'Poppins';font-size:54px;font-weight:600;color:#b9c4cc}
.miembro h4{font-family:'Poppins';font-size:17px;margin:16px 0 2px;font-weight:500}
.miembro p{font-size:12.5px;color:#444;font-family:system-ui,sans-serif}
/* galerías (equipo y project pages) */
.gal{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;padding:20px 4% 60px}
.gal img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#eee}
@media(min-width:900px){.gal{grid-template-columns:repeat(4,1fr)}}

/* FAQ */
.faq{border-bottom:1px solid #ddd;padding:18px 0}
.faq summary{font-family:'Poppins';font-size:19px;font-weight:500;cursor:pointer;list-style:none;position:relative;padding-right:34px}
.faq summary::after{content:"+";position:absolute;right:4px;top:0;font-size:24px;color:#666}
.faq[open] summary::after{content:"–"}
.faq p{font-size:15.5px;line-height:1.75;margin-top:12px;font-family:system-ui,sans-serif}

/* footer */
.ft{border-top:1px solid #eee;padding:54px 0 90px}
.ft-in{max-width:1500px;margin:0 auto;padding:0 13%;display:grid;grid-template-columns:1fr 1fr 1fr;gap:40px}
.ft h3{font-family:'Poppins';font-size:26px;font-weight:600;margin-bottom:14px}
.ft a{text-decoration:underline}

/* ===== fidelidad jul-2026 ===== */
/* quiénes somos: 2 columnas + banda CONTÁCTANOS */
.qs-grid{display:grid;grid-template-columns:0.9fr 1.4fr;gap:56px;padding:56px 3% 40px}
.qs-tit{font-size:clamp(34px,4vw,60px);font-weight:600;line-height:1.15;margin-bottom:26px}
.qs-tit .az{color:var(--az)}
.qs-der p{font-size:15.5px;line-height:1.8;margin:0 0 18px;font-family:system-ui,sans-serif}
.banda-cta{position:relative;display:flex;align-items:center;min-height:300px;background-size:cover;background-position:center;margin-top:30px}
.banda-cta::before{content:"";position:absolute;inset:0;background:rgba(108,184,238,.72)}
.banda-cta span{position:relative;color:#fff;font-family:'Poppins';font-size:clamp(28px,3.4vw,44px);font-weight:600;padding:0 4%;letter-spacing:.02em}
/* proyectos: hero 2-col con foto de arco + transforma 2-col */
.pr-hero{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center;padding:40px 3% 30px}
.pr-hero h1{font-size:clamp(30px,3.4vw,50px);font-weight:600;line-height:1.2;margin-bottom:18px}
.pr-hero .az{color:var(--az)}
.pr-hero .arco{width:100%;max-height:460px;object-fit:cover;border-radius:50% 50% 0 0 / 32% 32% 0 0}
.cards.blanca{background:#fff;grid-template-columns:repeat(4,1fr);gap:22px;padding:30px 3% 20px}
.cards.blanca .card span{background:rgba(255,255,255,.68);font-size:clamp(15px,1.2vw,20px)}
.tr-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center;padding:46px 3% 60px}
.tr-grid p{font-size:15px;line-height:1.8;margin-top:14px;font-family:system-ui,sans-serif}
.tr-grid img{width:100%;max-height:560px;object-fit:cover}
/* contacto: 2 col + banda de mapa azul */
.ct-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;padding-top:56px}
.ct-tit{font-size:clamp(34px,4vw,58px);font-weight:600;line-height:1.15;margin-bottom:20px}
.ct-tit .az{color:var(--az)}
.ct-lead{max-width:420px}
.ct-linea{border:0;border-top:1px solid #444;width:160px;margin:26px 0}
.mapa-banda{background:var(--az);display:grid;grid-template-columns:1.5fr 1fr;gap:0;align-items:center;min-height:320px}
.mapa-banda iframe{width:92%;height:280px;border:0;margin:20px 0 20px 4%;background:#dfe9f0}
.mapa-txt{color:#fff;padding:24px 6%}
.mapa-txt h2{font-family:'Poppins';font-size:clamp(26px,2.6vw,38px);font-weight:600;margin-bottom:12px}
.mapa-txt p{font-size:14px;line-height:1.8;font-family:system-ui,sans-serif;margin-bottom:12px}

/* responsive */
@media (max-width:900px){
 .qs-grid,.pr-hero,.tr-grid,.ct-grid{grid-template-columns:1fr;gap:26px}
 .cards.blanca{grid-template-columns:1fr 1fr;padding:26px 7%}
 .mapa-banda{grid-template-columns:1fr}
 .mapa-banda iframe{width:92%;margin:20px 4%}

 .hd-in{flex-wrap:wrap;justify-content:center}
 .nav{order:3;width:100%;justify-content:center}
 .hero{padding:44px 7% 30px}
 .cards{grid-template-columns:1fr 1fr;padding:40px 7%}
 .cards.wrap{grid-template-columns:1fr 1fr}
 .txt{padding:24px 7% 50px}
 .dos-col{grid-template-columns:1fr}
 .ft-in{grid-template-columns:1fr;padding:0 7%}
 .cta-negra{padding:36px 7%}
}