@font-face{font-family:"Josefin Sans";font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/josefin-sans-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Josefin Sans";font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/josefin-sans-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/inter-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/inter-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/inter-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/inter-latin-700-normal.woff2) format("woff2")}
/* Construnel — Ingeniería y Construcción */
:root{
  --teal:#036079;
  --teal-900:#023746;
  --teal-700:#044d61;
  --teal-50:#e8f2f5;
  --coral:#F7845C;
  --coral-600:#e96a40;
  --coral-50:#fff1eb;
  --ink:#14232a;
  --muted:#5b6b72;
  --line:#dde6ea;
  --bg:#ffffff;
  --bg-soft:#f6f9fa;
  --wa:#25D366;
  --wa-dark:#128C7E;
  --radius:14px;
  --shadow:0 10px 30px -12px rgba(2,55,70,.25);
  --font-head:"Josefin Sans",system-ui,sans-serif;
  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:var(--font-body);color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

h1,h2,h3{font-family:var(--font-head);line-height:1.12;letter-spacing:.01em;color:var(--teal-900)}
h1{font-size:clamp(2.1rem,5vw,3.6rem);font-weight:700}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:700}
h3{font-size:1.25rem;font-weight:600}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-head);font-weight:600;text-transform:uppercase;letter-spacing:.18em;font-size:.8rem;color:var(--coral-600);margin-bottom:.9rem}
.eyebrow::before{content:"";width:22px;height:3px;background:var(--coral);border-radius:2px}
.lead{font-size:1.125rem;color:var(--muted);max-width:60ch}
.section{padding:88px 0}
.section-head{max-width:720px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .eyebrow::before{display:none}
.section-head p{margin-top:14px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;padding:.9rem 1.4rem;border-radius:999px;font-weight:600;border:2px solid transparent;cursor:pointer;transition:transform .15s ease,background .2s,box-shadow .2s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn svg{width:20px;height:20px;flex:none}
.btn-wa{background:var(--wa);color:#fff;box-shadow:0 8px 20px -8px rgba(37,211,102,.7)}
.btn-wa:hover{background:#1fbe5a}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 20px -8px rgba(247,132,92,.8)}
.btn-primary:hover{background:var(--coral-600)}
.btn-ghost{border-color:var(--teal);color:var(--teal)}
.btn-ghost:hover{background:var(--teal);color:#fff}
.btn-light{border-color:rgba(255,255,255,.5);color:#fff}
.btn-light:hover{background:#fff;color:var(--teal-900)}

/* Header */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.header.scrolled{border-color:var(--line);box-shadow:0 6px 20px -16px rgba(0,0,0,.4)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.brand{display:flex;align-items:center;gap:10px}
.brand .icon{width:34px;height:auto}
.brand .word{height:18px;width:auto}
.nav{display:flex;align-items:center;gap:28px}
.nav a{font-weight:500;font-size:.95rem;color:var(--ink);position:relative}
.nav a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--coral);transition:width .2s}
.nav a:not(.btn):hover::after{width:100%}
.nav .btn{padding:.6rem 1.1rem;font-size:.9rem;color:#fff}
.menu-toggle{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;border-radius:10px}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--teal-900);margin:5px auto;transition:.25s}
.menu-open .menu-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-open .menu-toggle span:nth-child(2){opacity:0}
.menu-open .menu-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,var(--bg-soft) 100%);padding:72px 0 96px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero h1 .accent{color:var(--coral)}
.hero .lead{margin:22px 0 32px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px}
.hero-trust{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.hero-trust div{display:flex;flex-direction:column}
.hero-trust strong{font-family:var(--font-head);font-size:1.75rem;color:var(--teal);line-height:1}
.hero-trust span{font-size:.88rem;color:var(--muted);margin-top:6px}
.hero-art{position:relative}
.hero-art svg{width:100%;height:auto;filter:drop-shadow(0 30px 40px rgba(2,55,70,.18))}
.hero-deco{position:absolute;pointer-events:none;opacity:.07}
.hero-deco.d1{width:420px;right:-120px;top:-80px}
.hero-deco.d2{width:260px;left:-90px;bottom:-110px;transform:rotate(180deg)}

/* Service cards */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .2s,box-shadow .2s,border-color .2s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.card .ico{width:52px;height:52px;border-radius:12px;background:var(--teal-50);display:grid;place-items:center;margin-bottom:18px;color:var(--teal)}
.card .ico svg{width:28px;height:28px}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);font-size:.97rem}
.card ul{list-style:none;margin-top:14px;display:flex;flex-wrap:wrap;gap:6px}
.card li{font-size:.78rem;background:var(--bg-soft);border:1px solid var(--line);padding:3px 10px;border-radius:999px;color:var(--teal-700)}
.card.featured{background:var(--teal);border-color:var(--teal);color:#fff}
.card.featured h3{color:#fff}
.card.featured p{color:rgba(255,255,255,.82)}
.card.featured .ico{background:rgba(255,255,255,.12);color:var(--coral)}
.card.featured li{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2);color:#fff}
.card .tag{z-index:3;position:absolute;top:18px;right:18px;background:var(--coral);color:#fff;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:4px 10px;border-radius:999px}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-weight:600;color:var(--coral)}
.card.featured .more{color:var(--coral)}

.hero-photo{position:relative;aspect-ratio:5/4;border-radius:24px;box-shadow:0 30px 60px -25px rgba(2,55,70,.45)}
.hero-photo img{width:100%;height:100%;object-fit:cover;border-radius:inherit}
.hero-photo::before{content:"";position:absolute;inset:-14px -14px 22px 22px;border-radius:28px;background:var(--coral);opacity:.18;z-index:-1}
.hero-badge{position:absolute;left:-18px;bottom:28px;display:flex;align-items:center;gap:12px;background:#fff;padding:14px 18px;border-radius:16px;box-shadow:var(--shadow)}
.hero-badge .dot{width:12px;height:12px;border-radius:50%;background:var(--wa);box-shadow:0 0 0 5px rgba(37,211,102,.2)}
.hero-badge b{display:block;font-family:var(--font-head);font-size:1.4rem;color:var(--teal);line-height:1}
.hero-badge small{color:var(--muted);font-size:.8rem}
.card-photo{margin:-28px -28px 20px;aspect-ratio:3/2;overflow:hidden;background:var(--teal-50)}
.card-photo img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-photo img{transform:scale(1.05)}
.card-photo+.ico{margin-top:-46px;position:relative;box-shadow:0 6px 16px -6px rgba(2,55,70,.35);background:#fff}
.card.featured .card-photo+.ico{background:var(--teal)}
.inst-grid{display:grid;grid-template-columns:1.4fr 1fr;grid-template-rows:1fr 1fr;gap:18px;height:520px}
.inst{position:relative;border-radius:20px;overflow:hidden;margin:0;background:var(--teal-50)}
.inst.big{grid-row:span 2}
.inst img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.inst:hover img{transform:scale(1.04)}
.inst figcaption{position:absolute;left:0;right:0;bottom:0;padding:40px 22px 18px;background:linear-gradient(transparent,rgba(2,31,40,.85));color:#fff}
.inst figcaption b{display:block;font-family:var(--font-head);font-size:1.3rem}
.inst figcaption span{font-size:.9rem;opacity:.85}
.inst-features{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:22px}
.inst-features div{padding:20px;border-radius:14px;background:var(--bg-soft);border:1px solid var(--line)}
.inst-features b{display:block;color:var(--teal-900);margin-bottom:4px}
.inst-features span{font-size:.9rem;color:var(--muted)}
@media (max-width:860px){.inst-grid{grid-template-columns:1fr;grid-template-rows:auto;height:auto}.inst.big{grid-row:auto}.inst{aspect-ratio:3/2}.inst-features{grid-template-columns:1fr 1fr}.hero-photo{max-width:520px;margin:0 auto}.hero-badge{left:10px}}
@media (max-width:560px){.inst-features{grid-template-columns:1fr}.hero-photo{aspect-ratio:4/3}}

/* Recepción */
.recepcion{background:var(--teal-900);color:#fff;position:relative;overflow:hidden}
.recepcion h2{color:#fff}
.recepcion .lead{color:rgba(255,255,255,.78)}
.recepcion .eyebrow{color:var(--coral)}
.rec-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.rec-stat{display:flex;align-items:center;gap:18px;margin:30px 0;padding:20px 22px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius)}
.rec-stat strong{font-family:var(--font-head);font-size:3rem;line-height:1;color:var(--coral)}
.rec-stat span{color:rgba(255,255,255,.85)}
.checklist{background:#fff;color:var(--ink);border-radius:18px;padding:28px;box-shadow:0 30px 60px -20px rgba(0,0,0,.45);position:relative}
.checklist-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding-bottom:14px;border-bottom:2px dashed var(--line)}
.checklist-head h3{font-size:1.1rem}
.checklist-head small{color:var(--muted)}
.check-item{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--line)}
.check-item:last-child{border-bottom:0}
.check-item .box{flex:none;width:24px;height:24px;border-radius:7px;background:var(--teal);color:#fff;display:grid;place-items:center;margin-top:2px}
.check-item .box svg{width:15px;height:15px}
.check-item b{display:block;font-weight:600;color:var(--teal-900)}
.check-item span{font-size:.9rem;color:var(--muted)}
.rec-steps{display:grid;gap:14px;margin-top:8px}
.rec-steps li{list-style:none;display:flex;gap:14px;align-items:flex-start}
.rec-steps .n{flex:none;width:32px;height:32px;border-radius:50%;background:var(--coral);color:#fff;font-family:var(--font-head);font-weight:700;display:grid;place-items:center}
.rec-steps p{color:rgba(255,255,255,.85)}
.rec-steps b{color:#fff}

/* Oficinas band */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.feature-list{display:grid;gap:14px;margin:24px 0 30px}
.feature-list li{list-style:none;display:flex;gap:12px;align-items:flex-start}
.feature-list li svg{flex:none;width:22px;height:22px;color:var(--coral);margin-top:2px}
.panel-art{background:var(--teal-50);border-radius:22px;padding:28px;position:relative}

/* Process */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{padding:26px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);position:relative}
.step::before{counter-increment:step;content:"0" counter(step);font-family:var(--font-head);font-weight:700;font-size:2.4rem;color:var(--coral);opacity:.9;line-height:1;display:block;margin-bottom:14px}
.step p{color:var(--muted);font-size:.95rem;margin-top:6px}

/* Clients band */
.clients{background:var(--bg-soft)}
.client-types{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.client{display:flex;gap:14px;align-items:center;padding:20px;background:#fff;border-radius:var(--radius);border:1px solid var(--line)}
.client svg{flex:none;width:34px;height:34px;color:var(--teal)}
.client b{display:block;color:var(--teal-900)}
.client span{font-size:.86rem;color:var(--muted)}

.ref-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ref{padding:22px 24px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);border-left:4px solid var(--coral)}
.ref b{display:block;font-family:var(--font-head);font-size:1.1rem;color:var(--teal-900)}
.ref span{font-size:.9rem;color:var(--muted)}
@media (max-width:860px){.ref-list{grid-template-columns:1fr}}

/* Contact */
.contact{background:linear-gradient(135deg,var(--teal) 0%,var(--teal-900) 100%);color:#fff;position:relative;overflow:hidden}
.contact h2{color:#fff}
.contact .lead{color:rgba(255,255,255,.8)}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.contact-info{display:grid;gap:14px;margin-top:30px}
.contact-info>a,.contact-info>div{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:12px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);transition:background .2s}
.contact-info>a:hover{background:rgba(255,255,255,.14)}
.contact-info svg{flex:none;width:24px;height:24px;color:var(--coral)}
.contact-info small{display:block;color:rgba(255,255,255,.65);font-size:.8rem}
.contact-info b{font-weight:600}
.form{background:#fff;color:var(--ink);border-radius:20px;padding:32px;box-shadow:0 30px 60px -20px rgba(0,0,0,.45)}
.form h3{margin-bottom:6px}
.form>p{color:var(--muted);font-size:.93rem;margin-bottom:22px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:.85rem;font-weight:600;color:var(--teal-900)}
.field input,.field select,.field textarea{width:100%;padding:.8rem .95rem;border:1.5px solid var(--line);border-radius:10px;background:#fff;transition:border-color .15s,box-shadow .15s}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 4px rgba(3,96,121,.12)}
.field.invalid input,.field.invalid select{border-color:#d9534f}
.field .err{display:none;font-size:.8rem;color:#c0392b}
.field.invalid .err{display:block}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{position:relative}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip span{display:inline-block;padding:.5rem .9rem;border:1.5px solid var(--line);border-radius:999px;font-size:.88rem;cursor:pointer;transition:.15s;user-select:none}
.chip input:checked+span{background:var(--teal);border-color:var(--teal);color:#fff}
.chip input:focus-visible+span{box-shadow:0 0 0 4px rgba(3,96,121,.2)}
.extra{display:none}
.extra.show{display:block}
.form .btn-wa{width:100%;margin-top:6px;padding:1rem}
.form-note{font-size:.8rem;color:var(--muted);text-align:center;margin-top:12px}

/* Footer */
.footer{background:#021f28;color:rgba(255,255,255,.7);padding:56px 0 28px;font-size:.93rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.footer img{height:auto;width:200px;margin-bottom:16px}
.footer h4{color:#fff;font-family:var(--font-head);font-size:1rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.footer ul{list-style:none;display:grid;gap:8px}
.footer a:hover{color:var(--coral)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.84rem}

/* Floating WhatsApp */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:60px;height:60px;border-radius:50%;background:var(--wa);display:grid;place-items:center;box-shadow:0 10px 25px -6px rgba(0,0,0,.35);transition:transform .2s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:32px;height:32px;color:#fff}
.wa-float::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--wa);animation:pulse 2.4s infinite}
@keyframes pulse{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.5);opacity:0}}

/* Landing (recepción) */
.lp-hero{background:var(--teal-900);color:#fff;padding:64px 0 80px;position:relative;overflow:hidden}
.lp-hero h1{color:#fff}
.lp-hero h1 .accent{color:var(--coral)}
.lp-hero .lead{color:rgba(255,255,255,.82);margin:20px 0 30px}
.lp-hero .eyebrow{color:var(--coral)}
.lp-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.lp-badges span{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);font-size:.9rem}
.lp-badges svg{width:16px;height:16px;color:var(--coral)}
.lp-photo{width:100%;max-height:460px;object-fit:cover;border-radius:22px;margin:-12px 0 40px;box-shadow:var(--shadow)}
.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 22px}
.faq summary{cursor:pointer;font-weight:600;color:var(--teal-900);list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--coral)}
.faq details[open] summary::after{content:"–"}
.faq p{margin-top:10px;color:var(--muted)}
.cta-band{background:var(--coral);color:#fff;border-radius:22px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,3vw,2.1rem)}
.cta-band p{opacity:.92;margin-top:6px}
.cta-band .btn{background:#fff;color:var(--teal-900)}

/* Reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.wa-float::after{animation:none}html{scroll-behavior:auto}}

/* Responsive */
@media (max-width:1000px){
  .services{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(2,1fr)}
  .client-types{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .menu-toggle{display:block}
  .nav{position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:#fff;padding:12px 20px 24px;border-bottom:1px solid var(--line);box-shadow:0 20px 30px -20px rgba(0,0,0,.3);transform:translateY(-120%);transition:transform .3s ease;visibility:hidden}
  .menu-open .nav{transform:none;visibility:visible}
  .nav a{padding:14px 4px;border-bottom:1px solid var(--line)}
  .nav a::after{display:none}
  .nav .btn{margin-top:14px;border-bottom:0;padding:.9rem}
  .hero{padding:44px 0 64px}
  .hero-grid,.rec-grid,.split,.contact-grid{grid-template-columns:1fr;gap:40px}
  .hero-grid{display:flex;flex-direction:column}
  .hero-photo{order:-1;width:100%}
  .hero-art{max-width:460px;margin:0 auto;order:-1}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:64px 0}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .services,.process,.client-types{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .form{padding:22px}
  .hero-ctas .btn{width:100%}
  .hero-trust{gap:12px}
  .hero-trust strong{font-size:1.3rem}
  .hero-trust span{font-size:.78rem}
  
  .brand .word{height:14px}
  .brand .icon{width:28px}
  .cta-band{padding:28px}
  .cta-band .btn{width:100%}
  .rec-stat strong{font-size:2.4rem}
}