/* Collados Ingeniería - Clone Styles */
:root{
  --navy:#1e3a5f;
  --navy-dark:#132842;
  --red:#e53935;
  --red-dark:#c62828;
  --text:#1a1a1a;
  --muted:#6b7280;
  --bg:#ffffff;
  --bg-alt:#f7f7f8;
  --border:#e5e7eb;
  --dark-panel:#1e3a5f;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter','Segoe UI',Arial,sans-serif;
  color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;line-height:1.6;overflow-x:hidden;
}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--border);transition:box-shadow .3s ease,padding .3s ease}
.site-header.scrolled{box-shadow:0 4px 20px rgba(0,0,0,.06)}
.site-header:hover{padding:6px 0}
.site-header:hover .logo img{height:120px;transform:scale(1.02)}
.nav-wrap{max-width:1300px;margin:0 auto;padding:14px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;transition:padding .3s ease}
.logo{display:flex;align-items:center;gap:10px}
.logo img{height:100px;width:auto;display:block;transition:height .35s ease,transform .35s ease}

.main-nav{display:flex;align-items:center;gap:36px}
.main-nav > ul{display:flex;align-items:center;gap:36px}
.main-nav a{font-size:14px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--text);padding:8px 0;position:relative;transition:color .25s;display:inline-flex;align-items:center;gap:6px}
.main-nav a.active{color:var(--red)}
.main-nav a:hover{color:var(--red)}
.main-nav a::after{content:'';position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--red);transition:width .3s ease}
.main-nav a:hover::after,.main-nav a.active::after{width:100%}
.caret{width:10px;height:10px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);margin-top:-3px;transition:transform .3s}
.has-dropdown:hover .caret{transform:rotate(225deg);margin-top:2px}

.has-dropdown{position:relative}
.dropdown{position:absolute;top:100%;left:50%;transform:translate(-50%,10px);background:#fff;min-width:300px;padding:8px 0;border-radius:6px;box-shadow:0 12px 40px rgba(0,0,0,.14);opacity:0;visibility:hidden;transition:all .25s ease;border-top:3px solid var(--red)}
.has-dropdown:hover .dropdown,.has-dropdown:focus-within .dropdown{opacity:1;visibility:visible;transform:translate(-50%,0)}
.dropdown li{border-bottom:1px solid #f0f0f0}
.dropdown li:last-child{border-bottom:none}
.dropdown li a{display:flex;align-items:center;gap:12px;padding:12px 20px;font-size:13px;letter-spacing:.4px;text-transform:none;font-weight:500;color:var(--text)}
.dropdown li a::after{display:none}
.dropdown li a:hover{background:var(--bg-alt);color:var(--red)}
.dropdown li a svg{width:20px;height:20px;color:var(--navy);flex-shrink:0;transition:color .25s}
.dropdown li a:hover svg{color:var(--red)}
.dropdown li.divider{padding:0;border:none}
.dropdown li.all-services a{background:var(--navy);color:#fff;font-weight:700;text-transform:uppercase;letter-spacing:1px;font-size:12px}
.dropdown li.all-services a svg{color:#fff}
.dropdown li.all-services a:hover{background:var(--red);color:#fff}
.dropdown li.all-services a:hover svg{color:#fff}

.lang-wrap{position:relative}
.lang{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:13px;font-weight:700;letter-spacing:1px;padding:8px 4px;user-select:none}
.flag{width:22px;height:22px;border-radius:50%;background-size:150% 150%;background-position:center;background-repeat:no-repeat;border:1px solid #ddd;flex-shrink:0}
.flag.es{background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 3 2'><rect width='3' height='2' fill='%23c60b1e'/><rect y='0.5' width='3' height='1' fill='%23ffc400'/></svg>")}
.flag.en{background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 30'><clipPath id='t'><path d='M30,15 h30 v15 z v15 h-30 z h-30 v-15 z v-15 h30 z'/></clipPath><path d='M0,0 v30 h60 v-30 z' fill='%23012169'/><path d='M0,0 L60,30 M60,0 L0,30' stroke='%23fff' stroke-width='6'/><path d='M0,0 L60,30 M60,0 L0,30' clip-path='url(%23t)' stroke='%23C8102E' stroke-width='4'/><path d='M30,0 v30 M0,15 h60' stroke='%23fff' stroke-width='10'/><path d='M30,0 v30 M0,15 h60' stroke='%23C8102E' stroke-width='6'/></svg>");background-size:100% 100%}
.flag.ca{background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 9 6'><rect width='9' height='6' fill='%23FCDD09'/><path d='M0,1 h9 M0,3 h9 M0,5 h9' stroke='%23DA121A' stroke-width='0.8'/></svg>");background-size:100% 100%}
.lang .caret{border-color:currentColor;width:8px;height:8px}
.lang-menu{position:absolute;top:100%;right:0;background:#fff;min-width:140px;border-radius:6px;box-shadow:0 12px 40px rgba(0,0,0,.14);border-top:3px solid var(--red);padding:6px 0;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s;z-index:110}
.lang-wrap.open .lang-menu{opacity:1;visibility:visible;transform:translateY(0)}
.lang-menu button{width:100%;background:none;border:none;padding:10px 16px;display:flex;align-items:center;gap:10px;cursor:pointer;font-size:13px;font-weight:600;color:var(--text);text-align:left;letter-spacing:.5px;transition:background .2s}
.lang-menu button:hover{background:var(--bg-alt);color:var(--red)}

.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.burger span{width:26px;height:2px;background:var(--navy);transition:.3s}

/* ===== Hero ===== */
.hero{position:relative;min-height:640px;background:url('/images/hero-bg.webp') center/cover no-repeat;display:flex;align-items:center;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.85),rgba(255,255,255,.55) 60%,rgba(255,255,255,.35))}
.hero-inner{position:relative;z-index:2;max-width:1300px;margin:0 auto;padding:120px 32px 160px;width:100%}
.hero-watermark{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);font-family:'Playfair Display',serif;font-weight:800;font-size:clamp(80px,14vw,220px);color:rgba(30,58,95,.06);letter-spacing:8px;white-space:nowrap;pointer-events:none;z-index:1;line-height:1}
.hero h1{font-family:'Playfair Display',serif;font-size:clamp(34px,5.2vw,72px);color:var(--navy);font-weight:800;line-height:1.05;max-width:820px;margin-bottom:24px;letter-spacing:2px;word-spacing:6px}
.hero h1 em{font-style:italic;font-weight:600;color:var(--navy)}
.hero p{font-size:17px;color:#3b3f45;max-width:520px;margin-bottom:36px}

.btn{display:inline-flex;align-items:center;gap:10px;padding:16px 28px;background:var(--navy);color:#fff;font-weight:700;font-size:13px;letter-spacing:1.8px;text-transform:uppercase;border-radius:2px;cursor:pointer;border:none;transition:background .3s,transform .3s,box-shadow .3s}
.btn:hover{background:var(--red);transform:translateY(-2px);box-shadow:0 10px 24px rgba(229,57,53,.35)}
.btn .arrow{transition:transform .3s}
.btn:hover .arrow{transform:translateX(4px)}
.btn-white{background:#fff;color:var(--navy)}
.btn-white:hover{background:var(--red);color:#fff}

/* ===== Info strip ===== */
.info-strip{background:var(--dark-panel);color:#fff;margin-top:-80px;position:relative;z-index:3;border-radius:4px;overflow:hidden}
.info-strip-wrap{max-width:1200px;margin:0 auto;padding:0 32px}
.info-grid{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:0;align-items:stretch}
.info-lead{padding:48px 40px;background:#fff;color:var(--text);border:1px solid var(--border)}
.info-lead h3{font-family:'Playfair Display',serif;font-size:26px;color:var(--navy);margin-bottom:12px;font-weight:700}
.info-lead p{color:var(--muted);font-size:15px;margin-bottom:20px}
.info-lead a{color:var(--red);font-weight:700;letter-spacing:1px;font-size:13px;text-transform:uppercase;display:inline-flex;align-items:center;gap:6px}
.info-lead a:hover{gap:12px}
.info-cell{padding:48px 32px;position:relative;background:var(--dark-panel);border-right:1px solid rgba(255,255,255,.08)}
.info-cell:last-child{border-right:none}
.info-num{font-family:'Playfair Display',serif;font-size:64px;font-weight:800;color:rgba(255,255,255,.08);line-height:1;margin-bottom:16px}
.info-cell::before{content:'';position:absolute;top:48px;left:32px;width:30px;height:3px;background:var(--red)}
.info-cell h4{font-size:20px;font-weight:700;margin-bottom:10px;margin-top:8px}
.info-cell p{font-size:14px;color:rgba(255,255,255,.65);line-height:1.6}

/* ===== Services ===== */
.section{padding:100px 0;position:relative}
.section-eyebrow{display:inline-block;font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--red);font-weight:700;margin-bottom:14px;position:relative;padding-left:40px}
.section-eyebrow::before{content:'';position:absolute;left:0;top:50%;width:30px;height:2px;background:var(--red)}
.section-title{font-family:'Playfair Display',serif;font-size:clamp(30px,4.5vw,54px);color:var(--navy);font-weight:800;line-height:1.1;margin-bottom:20px}
.section-title em{font-style:italic;font-weight:500}
.section-desc{color:var(--muted);max-width:640px;font-size:16px;margin-bottom:60px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:60px;flex-wrap:wrap}
.section-head > div{max-width:640px}
.section-bg-word{position:absolute;font-family:'Playfair Display',serif;font-weight:800;font-size:clamp(60px,12vw,180px);color:rgba(30,58,95,.04);letter-spacing:6px;pointer-events:none;z-index:0;top:60px;left:0;right:0;text-align:center;line-height:1}

.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;position:relative;z-index:2}
.service-card{background:#fff;border-radius:6px;box-shadow:0 6px 24px rgba(30,58,95,.06);transition:transform .4s,box-shadow .4s;display:flex;flex-direction:column;position:relative}
.service-card:hover{transform:translateY(-8px);box-shadow:0 20px 40px rgba(30,58,95,.15)}
.service-media{aspect-ratio:16/10;position:relative;border-radius:6px 6px 0 0}
.service-media img{width:100%;height:100%;object-fit:cover;border-radius:6px 6px 0 0;transition:transform .8s ease}
.service-card:hover .service-media img{transform:scale(1.02)}
.service-media::before{content:'';position:absolute;inset:0;border-radius:6px 6px 0 0;background:linear-gradient(to top,rgba(30,58,95,.35),transparent 50%);pointer-events:none;z-index:1}
.service-icon{position:absolute;top:-24px;left:24px;width:60px;height:60px;border-radius:14px;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(229,57,53,.4);z-index:3;transition:transform .35s,background .3s;border:4px solid #fff}
.service-card:hover .service-icon{transform:rotate(-8deg) scale(1.05);background:var(--navy)}
.service-icon svg{width:26px;height:26px}
.service-body{padding:24px 26px 32px;display:flex;flex-direction:column;flex:1;position:relative}
.service-body h3{font-family:'Playfair Display',serif;font-size:22px;color:var(--navy);font-weight:700;margin-bottom:10px}
.service-body p{color:var(--muted);font-size:15px;margin-bottom:20px;flex:1}
.service-link{color:var(--red);font-weight:700;font-size:12px;letter-spacing:2px;text-transform:uppercase;display:inline-flex;align-items:center;gap:8px;transition:gap .3s}
service-link:hover{gap:14px}

/* ===== Detail / page hero ===== */
.page-hero{background:linear-gradient(135deg,var(--navy) 0%,#2a4a72 100%);color:#fff;padding:110px 24px 90px;text-align:center;position:relative;overflow:hidden}
.page-hero::after{content:'';position:absolute;bottom:-40px;left:50%;transform:translateX(-50%);width:60px;height:3px;background:var(--red)}
.page-hero h1{font-family:'Playfair Display',serif;font-size:clamp(32px,5vw,58px);font-weight:800;margin-bottom:12px}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.75);letter-spacing:1px}
.breadcrumb a{color:#fff}
.breadcrumb a:hover{color:var(--red)}
.breadcrumb .sep{margin:0 10px;opacity:.5}
.detail-content{max-width:900px;margin:0 auto;padding:80px 24px}
.detail-content h2{font-family:'Playfair Display',serif;color:var(--navy);font-size:clamp(24px,3vw,32px);margin:32px 0 16px;font-weight:700}
.detail-content p{color:#3b3f45;font-size:16px;margin-bottom:16px;line-height:1.75}
.detail-content ul.check-list{margin:16px 0}
.detail-content ul.check-list li{padding:10px 0 10px 32px;position:relative;color:#3b3f45}
.detail-content ul.check-list li::before{content:'';position:absolute;left:0;top:14px;width:16px;height:16px;background:var(--red);border-radius:50%;box-shadow:inset 0 0 0 3px #fff,0 0 0 2px var(--red)}
.detail-hero-img{width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:8px;margin:20px 0 40px;box-shadow:0 20px 60px rgba(30,58,95,.15)}

/* ===== CTA banner ===== */
.cta-banner{background:var(--navy);color:#fff;padding:80px 24px;text-align:center;position:relative;overflow:hidden}
.cta-banner::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:80px;height:4px;background:var(--red)}
.cta-banner h2{font-family:'Playfair Display',serif;font-size:clamp(26px,4vw,42px);margin-bottom:14px;font-weight:700}
.cta-banner p{color:rgba(255,255,255,.75);max-width:600px;margin:0 auto 32px;font-size:17px}

/* ===== Contact ===== */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.contact-info h2{font-family:'Playfair Display',serif;color:var(--navy);font-size:clamp(24px,3.4vw,36px);margin-bottom:16px;font-weight:700}
.contact-info p{color:var(--muted);margin-bottom:32px}
.contact-item{display:flex;gap:16px;margin-bottom:24px;align-items:flex-start}
.contact-icon{width:48px;height:48px;border-radius:50%;background:var(--bg-alt);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--red)}
.contact-item h4{font-size:14px;letter-spacing:1.5px;text-transform:uppercase;color:var(--navy);margin-bottom:4px;font-weight:700}
.contact-item a,.contact-item span{color:var(--muted);font-size:15px;word-break:break-word}
.contact-item a:hover{color:var(--red)}
.contact-form{background:#fff;padding:40px;border-radius:8px;box-shadow:0 12px 40px rgba(30,58,95,.08);border-top:4px solid var(--red)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--navy);margin-bottom:6px;letter-spacing:.5px}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:14px 16px;border:1px solid var(--border);border-radius:4px;font-family:inherit;font-size:15px;transition:border-color .25s,box-shadow .25s;background:#fff}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(229,57,53,.1)}
.form-group textarea{resize:vertical;min-height:120px}
.form-check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin-bottom:20px}
.form-check input{margin-top:3px}
.form-msg{padding:14px;border-radius:4px;font-size:14px;margin-top:16px;display:none}
.form-msg.success{background:#e6f7ec;color:#166534;border:1px solid #86efac;display:block}
.form-msg.error{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5;display:block}

/* ===== Footer ===== */
.site-footer{background:#132842;color:rgba(255,255,255,.7);padding:70px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:50px}
.footer-col h5{color:#fff;font-size:14px;letter-spacing:2px;text-transform:uppercase;margin-bottom:20px;font-weight:700;position:relative;padding-bottom:12px}
.footer-col h5::after{content:'';position:absolute;left:0;bottom:0;width:30px;height:2px;background:var(--red)}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.6);transition:color .25s}
.footer-col a:hover{color:var(--red)}
.footer-brand p{font-size:14px;margin:16px 0;color:rgba(255,255,255,.55);line-height:1.7}
.footer-brand .logo{background:#fff;padding:16px 20px;border-radius:8px;display:inline-flex;box-shadow:0 4px 14px rgba(0,0,0,.15)}
.footer-brand .logo img{filter:none;height:130px;max-width:100%;width:auto;display:block}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px;color:rgba(255,255,255,.6);font-size:14px}
.footer-contact li svg{width:16px;height:16px;color:var(--red);flex-shrink:0;margin-top:4px}
.footer-contact a{color:rgba(255,255,255,.6)}
.footer-contact a:hover{color:var(--red)}
.legal-content{max-width:860px;margin:0 auto;padding:60px 24px 80px;color:#3b3f45;line-height:1.8}
.legal-content h2{font-family:'Playfair Display',serif;color:var(--navy);font-size:24px;margin:28px 0 12px;font-weight:700}
.legal-content p{margin-bottom:14px}
.legal-content ul{margin:10px 0 16px 24px;list-style:disc}
.legal-content ul li{margin-bottom:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;text-align:center;font-size:13px;color:rgba(255,255,255,.4)}

/* ===== WhatsApp + ScrollTop ===== */
.float-btn{position:fixed;z-index:99;width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 6px 20px rgba(0,0,0,.25);transition:transform .3s,box-shadow .3s,opacity .3s;cursor:pointer;border:none}


.float-btn{position:fixed;z-index:99;width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 6px 20px rgba(0,0,0,.25);transition:transform .3s,box-shadow .3s,opacity .3s;cursor:pointer;border:none}
.whatsapp-float{bottom:24px;left:24px;background:#25d366;animation:whatsapp-pulse 2s infinite}
.whatsapp-float:hover{transform:scale(1.1) rotate(-6deg)}
.scrolltop-float{bottom:24px;right:24px;background:var(--navy);opacity:0;pointer-events:none;transform:translateY(20px)}
.scrolltop-float.visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.scrolltop-float:hover{background:var(--red);transform:translateY(-4px)}
@keyframes whatsapp-pulse{0%,100%{box-shadow:0 6px 20px rgba(37,211,102,.4),0 0 0 0 rgba(37,211,102,.5)}50%{box-shadow:0 6px 20px rgba(37,211,102,.4),0 0 0 15px rgba(37,211,102,0)}}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .info-grid{grid-template-columns:1fr 1fr}
  .info-lead{grid-column:1/-1}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-wrap{grid-template-columns:1fr}
  .nav-wrap{padding:12px 20px}
  .main-nav > ul{gap:24px}
}
@media (max-width:840px){
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:16px 24px 24px;box-shadow:0 10px 30px rgba(0,0,0,.1);max-height:calc(100vh - 80px);overflow-y:auto}
  .main-nav.open{display:flex}
  .main-nav > ul{flex-direction:column;gap:8px;width:100%;align-items:flex-start}
  .main-nav > ul > li{width:100%;border-bottom:1px solid #f0f0f0;padding:6px 0}
  .main-nav > ul > li:last-child{border-bottom:none}
  .burger{display:flex}
  .hero{min-height:520px}
  .hero-inner{padding:70px 24px 130px}
  .info-strip{margin-top:-60px}
  .info-grid{grid-template-columns:1fr}
  .info-cell{padding:36px 28px}
  .info-lead{padding:36px 28px}
  .services-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .section{padding:70px 0}
  .contact-form{padding:24px 18px}
  .contact-wrap{gap:36px}
  .dropdown{position:static;transform:none;box-shadow:none;opacity:1;visibility:visible;background:transparent;border-top:none;padding:0 0 0 12px;min-width:auto}
  .dropdown li{border-bottom:none}
  .dropdown li a{padding:8px 0;color:var(--muted);background:transparent!important}
  .dropdown li a svg{color:var(--red)}
  .dropdown li.all-services a{background:transparent;color:var(--red);padding:8px 0}
  .float-btn{width:46px;height:46px}
  .whatsapp-float{bottom:18px;left:16px}
  .scrolltop-float{bottom:18px;right:16px}
  .logo img{height:60px}
  .lang-menu{right:0;left:auto}
}
@media (max-width:480px){
  .hero h1{font-size:34px}
  .btn{padding:14px 22px;font-size:12px}
  .nav-wrap{padding:10px 16px}
  .logo img{height:52px}
  .container{padding:0 16px}
  .page-hero{padding:80px 16px 70px}
  .cta-banner{padding:60px 16px}
}