/* Zinger | Demolición y Terracerías */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
:root{
  --p:#1B4F72;--p2:#154360;--a:#1ABC9C;--a2:#17a589;
  --dark:#0D1B2A;--light:#F0F4F8;--mid:#D5E3EF;--text:#0D1B2A;--gray:#5B7FA6;--white:#ffffff;
  --radius:4px;--shadow:0 8px 48px rgba(0,0,0,.18);--trans:.3s ease;
}
html{scroll-behavior:smooth;}
body{font-family:'Inter',Arial,sans-serif;color:var(--text);background:var(--white);line-height:1.6;}
img{display:block;max-width:100%;}a{text-decoration:none;color:inherit;}
.container{max-width:1200px;margin:0 auto;padding:0 40px;}

/* ── HEADER ── */
#header{position:fixed;top:0;left:0;right:0;z-index:100;transition:background var(--trans),box-shadow var(--trans);}
#header.scrolled{background:var(--dark);box-shadow:0 2px 24px rgba(0,0,0,.5);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;}
.logo-link img{height:42px;}
.nav{display:flex;align-items:center;gap:32px;}
.nav a:not(.btn-nav){color:rgba(255,255,255,.75);font-size:.88rem;font-weight:500;transition:color var(--trans);}
.nav a:not(.btn-nav):hover{color:var(--a);}
.btn-nav{background:var(--a);color:var(--white);padding:10px 22px;border-radius:var(--radius);font-weight:700;font-size:.85rem;letter-spacing:.3px;transition:background var(--trans);}
.btn-nav:hover{background:var(--a2);}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px;}
.hamburger span{display:block;width:24px;height:2px;background:var(--white);border-radius:0;}

/* ── HERO — centered, full bleed ── */
.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;overflow:hidden;}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 60%;}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(160deg,rgba(13,27,42,.88) 0%,rgba(27,79,114,.75) 100%);}
.hero-center{position:relative;z-index:2;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:160px 40px 60px;}
.hero-kicker{font-size:.7rem;font-weight:700;letter-spacing:5px;text-transform:uppercase;color:var(--a);margin-bottom:28px;}
.hero-h1{font-size:clamp(2.4rem,6vw,5.5rem);font-weight:900;color:var(--white);line-height:1.05;letter-spacing:-2px;max-width:900px;margin-bottom:24px;}
.hero-h1 em{font-style:normal;color:var(--a);}
.hero-sub{font-size:1.05rem;color:rgba(255,255,255,.65);max-width:640px;margin-bottom:48px;line-height:1.7;}
.hero-ctas{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.btn-teal{display:inline-block;background:var(--a);color:var(--white);padding:15px 40px;border-radius:var(--radius);font-weight:700;font-size:.9rem;letter-spacing:.3px;transition:background var(--trans),transform var(--trans);}
.btn-teal:hover{background:var(--a2);transform:translateY(-2px);}
.btn-outline-w{display:inline-block;border:2px solid rgba(255,255,255,.4);color:var(--white);padding:13px 38px;border-radius:var(--radius);font-weight:600;font-size:.9rem;transition:border-color var(--trans),background var(--trans);}
.btn-outline-w:hover{border-color:var(--white);background:rgba(255,255,255,.08);}
.hero-metrics{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(13,27,42,.92);backdrop-filter:blur(10px);border-top:1px solid rgba(26,188,156,.2);}
.hero-metric{padding:30px 24px;text-align:center;border-right:1px solid rgba(255,255,255,.06);}
.hero-metric:last-child{border-right:none;}
.metric-big{font-size:2.6rem;font-weight:900;color:var(--a);line-height:1;}
.metric-unit{font-size:1.2rem;font-weight:700;color:var(--a);}
.metric-label{font-size:.78rem;color:rgba(255,255,255,.5);margin-top:6px;letter-spacing:.5px;}

/* ── SERVICIOS — alternating rows ── */
.servicios{padding:0;}
.svc-row{display:grid;grid-template-columns:55% 45%;min-height:480px;}
.svc-row.reverse{grid-template-columns:45% 55%;}
.svc-img{position:relative;overflow:hidden;}
.svc-img img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease;}
.svc-row:hover .svc-img img{transform:scale(1.04);}
.svc-img-overlay{position:absolute;inset:0;background:rgba(13,27,42,.25);}
.svc-text{display:flex;flex-direction:column;justify-content:center;padding:72px 64px;background:var(--white);}
.svc-row.reverse .svc-text{background:var(--light);}
.svc-text .num{font-size:4rem;font-weight:900;color:var(--mid);line-height:1;margin-bottom:12px;}
.svc-text .svc-tag{font-size:.7rem;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--a);margin-bottom:12px;}
.svc-text h3{font-size:1.8rem;font-weight:800;color:var(--p);margin-bottom:16px;letter-spacing:-.5px;line-height:1.2;}
.svc-text p{font-size:.95rem;color:var(--gray);line-height:1.7;margin-bottom:24px;}
.svc-link{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;font-weight:700;color:var(--a2);transition:gap var(--trans);}
.svc-link:hover{gap:14px;}

/* ── CAPABILITIES — dark spec section ── */
.capacidades{padding:100px 0;background:var(--dark);}
.cap-header{text-align:center;margin-bottom:72px;}
.cap-tag{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:4px;text-transform:uppercase;color:var(--a);margin-bottom:12px;}
.cap-header h2{font-size:clamp(1.8rem,3vw,2.6rem);font-weight:900;color:var(--white);letter-spacing:-1px;}
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.05);}
.cap-item{background:var(--dark);padding:40px 28px;border:1px solid rgba(255,255,255,.06);transition:border-color var(--trans);}
.cap-item:hover{border-color:rgba(26,188,156,.3);}
.cap-icon{width:48px;height:48px;background:rgba(26,188,156,.1);border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:20px;}
.cap-icon i{color:var(--a);font-size:1.2rem;}
.cap-item h4{font-size:.95rem;font-weight:700;color:var(--white);margin-bottom:8px;}
.cap-item p{font-size:.83rem;color:rgba(255,255,255,.45);line-height:1.55;}

/* ── SECTORES — full-width banner ── */
.sectores{padding:80px 0;background:var(--p);overflow:hidden;}
.sectores-label{text-align:center;font-size:.7rem;font-weight:700;letter-spacing:4px;text-transform:uppercase;color:rgba(255,255,255,.4);margin-bottom:32px;}
.sectores-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:0;}
.sector-block{padding:20px 40px;font-size:1.1rem;font-weight:700;color:rgba(255,255,255,.5);border-right:1px solid rgba(255,255,255,.1);transition:color var(--trans);}
.sector-block:last-child{border-right:none;}
.sector-block:hover{color:var(--a);}

/* ── PROCESO — horizontal numbered ── */
.proceso{padding:100px 0;background:var(--light);}
.proc-head{text-align:center;margin-bottom:64px;}
.proc-tag{font-size:.7rem;font-weight:700;letter-spacing:4px;text-transform:uppercase;color:var(--a);display:block;margin-bottom:12px;}
.proc-head h2{font-size:clamp(1.6rem,2.8vw,2.4rem);font-weight:900;color:var(--p);letter-spacing:-.5px;}
.proc-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;}
.proc-steps::before{content:'';position:absolute;top:24px;left:12.5%;right:12.5%;height:2px;background:var(--mid);z-index:0;}
.proc-step{padding:0 24px;text-align:center;position:relative;z-index:1;}
.proc-dot{width:48px;height:48px;border-radius:50%;background:var(--white);border:3px solid var(--mid);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:.9rem;font-weight:900;color:var(--gray);transition:background var(--trans),border-color var(--trans),color var(--trans);}
.proc-step:hover .proc-dot{background:var(--a);border-color:var(--a);color:var(--white);}
.proc-step h4{font-size:.95rem;font-weight:700;color:var(--p);margin-bottom:8px;}
.proc-step p{font-size:.82rem;color:var(--gray);line-height:1.55;}

/* ── CONTACTO ── */
.contacto{padding:100px 0;background:var(--white);}
.contacto-inner{display:grid;grid-template-columns:1fr 1.4fr;gap:80px;align-items:start;}
.c-left .ctag{font-size:.7rem;font-weight:700;letter-spacing:4px;text-transform:uppercase;color:var(--a);display:block;margin-bottom:12px;}
.c-left h2{font-size:clamp(1.5rem,2.5vw,2.2rem);font-weight:900;color:var(--p);letter-spacing:-.5px;margin-bottom:16px;}
.c-left p{color:var(--gray);font-size:.95rem;line-height:1.7;margin-bottom:32px;}
.c-info{list-style:none;display:flex;flex-direction:column;gap:14px;}
.c-info li{display:flex;align-items:center;gap:12px;font-size:.9rem;color:var(--gray);}
.c-info i{color:var(--a);width:16px;}
.c-form{background:var(--light);border-radius:8px;padding:44px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
.form-group label{font-size:.73rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--p);}
.form-group input,.form-group select,.form-group textarea{border:1.5px solid var(--mid);border-radius:var(--radius);padding:11px 14px;font-size:.92rem;font-family:inherit;color:var(--text);background:var(--white);outline:none;transition:border-color var(--trans);}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--a);}
.form-group textarea{resize:vertical;}
.btn-submit{background:var(--p);color:var(--white);padding:14px 36px;border-radius:var(--radius);font-weight:700;font-size:.9rem;border:none;cursor:pointer;transition:background var(--trans);width:100%;}
.btn-submit:hover{background:var(--a);}
.form-success{display:none;padding:14px;margin-top:12px;background:rgba(26,188,156,.08);border-left:3px solid var(--a);color:var(--a2);font-weight:600;font-size:.88rem;}
.form-success.show{display:block;}

/* ── FOOTER ── */
.footer{background:var(--dark);padding:64px 0 0;}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.06);}
.footer-brand img{height:40px;margin-bottom:16px;}
.footer-brand p{font-size:.84rem;color:rgba(255,255,255,.4);line-height:1.65;max-width:280px;}
.footer-links h5{font-size:.68rem;font-weight:700;color:rgba(255,255,255,.3);letter-spacing:3px;text-transform:uppercase;margin-bottom:16px;}
.footer-links a{display:block;font-size:.86rem;color:rgba(255,255,255,.5);margin-bottom:10px;transition:color var(--trans);}
.footer-links a:hover{color:var(--a);}
.footer-bottom{padding:22px 0;text-align:center;}
.footer-bottom p{font-size:.78rem;color:rgba(255,255,255,.25);}

/* ── ANIMATIONS ── */
[data-aos]{opacity:0;transform:translateY(20px);}
[data-aos].visible{opacity:1;transform:none;transition:opacity .6s,transform .6s;}

/* ── RESPONSIVE ── */
@media(max-width:1000px){
  .svc-row,.svc-row.reverse{grid-template-columns:1fr;min-height:auto;}
  .svc-img{height:320px;}
  .svc-text{padding:48px 40px;}
  .cap-grid{grid-template-columns:repeat(2,1fr);}
  .proc-steps{grid-template-columns:repeat(2,1fr);}
  .proc-steps::before{display:none;}
  .contacto-inner{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media(max-width:700px){
  .hero-metrics{grid-template-columns:repeat(2,1fr);}
  .cap-grid{grid-template-columns:1fr;}
  .sectores-strip{flex-direction:column;align-items:center;}
  .sector-block{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);padding:14px 24px;}
  .footer-inner{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
}
@media(max-width:600px){
  .nav{display:none;flex-direction:column;position:absolute;top:72px;left:0;right:0;background:var(--dark);padding:24px 40px;gap:20px;}
  .nav.open{display:flex;}
  .hamburger{display:flex;}
}