/* M Serna Construction - Negocios 360 */
:root{
  --navy:#0b3550;
  --navy-900:#072639;
  --blue:#1b6ea4;
  --blue-600:#15588a;
  --cyan:#2f9bd8;
  --amber:#f5a524;
  --ink:#0f1a20;
  --body:#48565f;
  --line:#dde3e8;
  --bg:#ffffff;
  --bg-soft:#f2f5f8;
  --bg-steel:#e6ebf0;
  --white:#fff;
  --radius:14px;
  --shadow-sm:0 1px 2px rgba(11,53,80,.06),0 4px 12px rgba(11,53,80,.06);
  --shadow-md:0 10px 30px rgba(11,53,80,.12);
  --maxw:1180px;
  --head:"Barlow Condensed",'Arial Narrow',system-ui,sans-serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--body);background:var(--bg);font-size:16px;line-height:1.65;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
h1,h2,h3,h4{font-family:var(--head);color:var(--ink);margin:0 0 .5em;line-height:1.06;letter-spacing:-.01em;font-weight:700;text-transform:uppercase}
h1{font-size:clamp(2.5rem,6vw,4.2rem)}
h2{font-size:clamp(1.9rem,3.7vw,2.9rem)}
h3{font-size:clamp(1.15rem,1.7vw,1.4rem);letter-spacing:0}
p{margin:0 0 1rem}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.sec{padding:clamp(56px,7vw,96px) 0}
.sec--soft{background:var(--bg-soft)}
.eyebrow{font-family:var(--sans);font-size:.75rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);margin:0 0 .75rem;display:flex;align-items:center;gap:.6rem}
.eyebrow::before{content:"";width:26px;height:3px;background:var(--amber);display:inline-block}
.sec-head{max-width:680px;margin-bottom:clamp(28px,4vw,48px)}
.sec-head p{font-size:1.05rem}
.lead{font-size:1.08rem}
.center{text-align:center}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:200;background:#fff;padding:10px 16px;border-radius:8px;box-shadow:var(--shadow-md)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;font-family:var(--sans);font-weight:700;font-size:.92rem;letter-spacing:.01em;padding:.85rem 1.5rem;border-radius:10px;border:2px solid transparent;cursor:pointer;transition:.18s ease;white-space:nowrap}
.btn svg{width:17px;height:17px;flex:none}
.btn--primary{background:var(--blue);color:#fff}
.btn--primary:hover{background:var(--blue-600);transform:translateY(-1px)}
.btn--amber{background:var(--amber);color:#231602}
.btn--amber:hover{background:#e59512;transform:translateY(-1px)}
.btn--ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12)}
.btn--outline{border-color:var(--line);color:var(--navy);background:#fff}
.btn--outline:hover{border-color:var(--blue);color:var(--blue)}
.btn--wa{background:#25d366;color:#04331a}
.btn--wa:hover{background:#1eb958}
.btn--lg{padding:1rem 1.9rem;font-size:1rem}
.btn-row{display:flex;flex-wrap:wrap;gap:.75rem}

/* header */
.topbar{background:var(--navy-900);color:#b9cbd8;font-size:.8rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px;flex-wrap:wrap}
.topbar b{color:#fff;font-weight:600}
.topbar-items{display:flex;gap:1.4rem;align-items:center;flex-wrap:wrap}
.topbar a{color:#dbe7ef}
.topbar a:hover{color:#fff}
.hdr{position:sticky;top:0;z-index:90;background:#fff;border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;gap:18px;min-height:76px}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto}
.brand img{height:52px;width:auto}
.nav{display:flex;align-items:center;gap:2px}
.nav a{font-family:var(--head);text-transform:uppercase;font-size:1.06rem;font-weight:600;letter-spacing:.02em;color:var(--navy);padding:.5rem .8rem;border-radius:8px}
.nav a:hover{background:var(--bg-soft)}
.nav a.is-active{color:var(--blue);box-shadow:inset 0 -3px 0 var(--amber)}
.hdr-actions{display:flex;align-items:center;gap:10px}
.lang{display:inline-flex;align-items:center;gap:.35rem;font-size:.8rem;font-weight:700;color:var(--navy);border:1px solid var(--line);padding:.45rem .7rem;border-radius:999px;letter-spacing:.04em}
.lang:hover{border-color:var(--blue);color:var(--blue)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:9px;width:44px;height:44px;align-items:center;justify-content:center;cursor:pointer}
.burger span{display:block;width:20px;height:2px;background:var(--navy);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--navy)}
.burger span::before{top:-6px}.burger span::after{top:6px}
.mobnav{display:none;border-top:1px solid var(--line);background:#fff}
.mobnav.open{display:block}
.mobnav a{display:block;padding:.9rem 20px;font-family:var(--head);text-transform:uppercase;font-size:1.15rem;color:var(--navy);border-bottom:1px solid var(--bg-soft)}

/* hero */
.hero{position:relative;color:#fff;background:var(--navy);overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,38,57,.96) 0%,rgba(7,38,57,.88) 38%,rgba(11,53,80,.55) 62%,rgba(11,53,80,.28) 100%)}
.hero .wrap{position:relative;padding-top:clamp(70px,10vw,120px);padding-bottom:clamp(70px,10vw,120px)}
.hero-inner{max-width:660px}
.hero h1{color:#fff;margin-bottom:1rem}
.hero .eyebrow{color:#8dd0f7}
.hero p{color:#cfe0ec;font-size:1.1rem;max-width:56ch}
.hero .btn-row{margin-top:1.8rem}
.chips{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:2.2rem;padding-top:1.6rem;border-top:1px solid rgba(255,255,255,.18)}
.chip{display:inline-flex;align-items:center;gap:.5rem;font-size:.84rem;font-weight:600;color:#e6f1f8;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);padding:.45rem .85rem;border-radius:999px}
.chip svg{width:15px;height:15px;color:var(--amber)}
.page-hero{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.page-hero .wrap{position:relative;padding:clamp(48px,6vw,84px) 20px}
.page-hero h1{color:#fff;font-size:clamp(2.1rem,4.6vw,3.3rem);margin-bottom:.4rem}
.page-hero p{color:#c9dcea;max-width:60ch;margin:0}
.page-hero .eyebrow{color:#8dd0f7}
.crumbs{font-size:.8rem;color:#9fbdd2;margin-bottom:1rem}
.crumbs a{color:#cde3f2}

/* stats */
.stats{background:var(--blue);color:#fff}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding-top:34px;padding-bottom:34px}
.stat{text-align:center;padding:6px 8px}
.stat b{display:block;font-family:var(--head);font-size:clamp(1.9rem,3.4vw,2.7rem);line-height:1;color:#fff}
.stat span{font-size:.82rem;color:#d3e7f5;letter-spacing:.02em}

/* cards */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.2s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9d5de}
.card-img{aspect-ratio:16/10;overflow:hidden;background:var(--bg-steel)}
.card-img img{width:100%;height:100%;object-fit:cover;transition:.4s ease}
.card:hover .card-img img{transform:scale(1.05)}
.card-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column}
.card-body h3{margin-bottom:.35rem}
.card-body p{font-size:.95rem;margin-bottom:1rem}
.card-link{margin-top:auto;font-weight:700;font-size:.85rem;letter-spacing:.04em;text-transform:uppercase;color:var(--blue);display:inline-flex;align-items:center;gap:.4rem}
.card-link::after{content:"\2192";transition:.2s}
.card:hover .card-link::after{transform:translateX(3px)}

/* split */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(28px,4vw,56px);align-items:center}
.split--rev .split-media{order:2}
.split-media img{border-radius:var(--radius);width:100%;aspect-ratio:4/3;object-fit:cover;box-shadow:var(--shadow-md)}
.ticks{list-style:none;margin:1.2rem 0 0;padding:0;display:grid;gap:1rem}
.ticks li{display:grid;grid-template-columns:26px 1fr;gap:.9rem;align-items:start}
.ticks svg{width:22px;height:22px;color:var(--blue);margin-top:2px}
.ticks b{display:block;color:var(--ink);font-weight:700}
.ticks span{font-size:.94rem}

/* process */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;position:relative}
.step::before{counter-increment:s;content:"0" counter(s);font-family:var(--head);font-size:2.4rem;line-height:1;color:var(--bg-steel);position:absolute;top:14px;right:16px}
.step h3{font-size:1.1rem;margin-bottom:.3rem}
.step p{font-size:.93rem;margin:0}

/* gallery */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gal button{padding:0;border:0;background:var(--bg-steel);border-radius:12px;overflow:hidden;cursor:zoom-in;aspect-ratio:4/3}
.gal img{width:100%;height:100%;object-fit:cover;transition:.35s ease}
.gal button:hover img{transform:scale(1.06)}
.lightbox{position:fixed;inset:0;background:rgba(7,20,28,.94);display:none;align-items:center;justify-content:center;z-index:120;padding:24px}
.lightbox.open{display:flex}
.lightbox img{max-width:92vw;max-height:86vh;width:auto;border-radius:10px}
.lb-btn{position:absolute;background:rgba(255,255,255,.14);border:0;color:#fff;width:48px;height:48px;border-radius:50%;font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center}
.lb-btn:hover{background:rgba(255,255,255,.28)}
.lb-prev{left:18px}.lb-next{right:18px}.lb-close{top:18px;right:18px;width:44px;height:44px}

/* band */
.band{position:relative;color:#fff;background:var(--navy);overflow:hidden}
.band img.bandbg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.band::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,38,57,.95) 0%,rgba(7,38,57,.82) 45%,rgba(7,38,57,.55) 100%)}
.band .wrap{position:relative;z-index:1;padding:clamp(48px,6vw,76px) 20px;display:flex;gap:28px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.band h2{color:#fff;margin-bottom:.3rem}
.band p{color:#cbdfec;margin:0;max-width:52ch}

/* area / map */
.map-wrap{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);background:var(--bg-steel)}
.map-wrap iframe{width:100%;height:380px;border:0;display:block}

/* forms */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,3vw,34px);box-shadow:var(--shadow-sm)}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:.35rem}
.field.full{grid-column:1/-1}
.field label{font-size:.82rem;font-weight:700;color:var(--navy);letter-spacing:.02em}
.field input,.field select,.field textarea{font-family:var(--sans);font-size:.97rem;color:var(--ink);padding:.75rem .9rem;border:1px solid var(--line);border-radius:10px;background:#fbfcfd;width:100%}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid rgba(27,110,164,.35);border-color:var(--blue);background:#fff}
.form-note{font-size:.82rem;color:#6b7b86;margin:.9rem 0 0}
.form-err{display:none;background:#fdecec;border:1px solid #f3c0c0;color:#9e2626;font-size:.88rem;padding:.7rem .9rem;border-radius:9px;margin-bottom:1rem}
.form-err.show{display:block}

/* info list */
.info{display:grid;gap:2px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.info-row{background:#fff;padding:16px 20px;display:grid;grid-template-columns:26px 1fr;gap:14px;align-items:start}
.info-row svg{width:20px;height:20px;color:var(--blue);margin-top:3px}
.info-row b{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:#7a8894;font-weight:700}
.info-row a,.info-row span{color:var(--ink);font-weight:600}
.info-row a:hover{color:var(--blue)}

/* footer */
.foot{background:var(--navy-900);color:#a8c0d0;font-size:.93rem;padding-top:clamp(44px,5vw,68px)}
.foot h4{color:#fff;font-size:1.05rem;letter-spacing:.05em;margin-bottom:1rem}
.foot a{color:#c8dced}
.foot a:hover{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.3fr;gap:32px;padding-bottom:36px}
.foot-logo{height:62px;width:auto;margin-bottom:1rem}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.socials{display:flex;gap:10px;margin-top:1rem}
.socials a{width:38px;height:38px;border-radius:9px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;color:#fff}
.socials a:hover{background:var(--blue)}
.socials svg{width:18px;height:18px}
.foot-bot{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.85rem;color:#8aa5b8}

/* whatsapp widget */
.wa-fab{position:fixed;right:18px;bottom:18px;width:58px;height:58px;border-radius:50%;background:#25d366;border:0;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 8px 24px rgba(37,211,102,.42);z-index:110;transition:.2s}
.wa-fab:hover{transform:scale(1.06)}
.wa-fab svg{width:31px;height:31px}
.wa-fab::after{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid rgba(37,211,102,.5);animation:pulse 2.4s infinite}
@keyframes pulse{0%{transform:scale(.9);opacity:.9}70%{transform:scale(1.25);opacity:0}100%{opacity:0}}
.wa-pop{position:fixed;right:18px;bottom:88px;width:330px;max-width:calc(100vw - 36px);background:#fff;border-radius:16px;box-shadow:0 18px 50px rgba(6,26,38,.28);z-index:111;overflow:hidden;display:none;animation:pop .18s ease}
.wa-pop.open{display:block}
@keyframes pop{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.wa-head{background:#075e54;color:#fff;padding:14px 16px;display:flex;align-items:center;gap:12px}
.wa-head img{width:42px;height:42px;border-radius:50%;object-fit:contain;background:#fff;padding:3px}
.wa-head b{display:block;font-size:.95rem;line-height:1.2}
.wa-head span{font-size:.76rem;color:#bfe6de;display:flex;align-items:center;gap:.35rem}
.wa-head span::before{content:"";width:7px;height:7px;border-radius:50%;background:#4ade80}
.wa-x{margin-left:auto;background:none;border:0;color:#cfe9e3;font-size:1.2rem;cursor:pointer;line-height:1}
.wa-body{background:#ece5dd url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Ccircle cx='6' cy='6' r='1' fill='%23d9d2c9'/%3E%3C/svg%3E");padding:18px 16px 14px}
.wa-msg{background:#fff;border-radius:0 10px 10px 10px;padding:10px 13px;box-shadow:0 1px 2px rgba(0,0,0,.12);max-width:88%;font-size:.9rem;color:#2b3a41}
.wa-msg small{display:block;font-size:.7rem;color:#9aa7ad;margin-top:4px}
.wa-form{display:flex;gap:8px;padding:12px;background:#f6f6f6;border-top:1px solid #e4e4e4}
.wa-form input{flex:1;border:1px solid #ddd;border-radius:999px;padding:.6rem .9rem;font-family:var(--sans);font-size:.9rem}
.wa-form input:focus{outline:none;border-color:#25d366}
.wa-form button{background:#25d366;border:0;width:40px;height:40px;border-radius:50%;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center}
.wa-form button svg{width:18px;height:18px}

/* sticky mobile bar */
.mobar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:105;background:#fff;border-top:1px solid var(--line);padding:8px;gap:8px;box-shadow:0 -4px 16px rgba(9,36,53,.08)}
.mobar .btn{flex:1;padding:.75rem .5rem;font-size:.85rem}

@media(max-width:980px){
  .grid-3,.grid-4,.steps{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .split--rev .split-media{order:0}
  .foot-grid{grid-template-columns:1fr 1fr}
  .gal{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:860px){
  .nav{display:none}
  .burger{display:flex}
  .hdr-actions .btn--amber{display:none}
  .topbar-items .hide-sm{display:none}
}
@media(max-width:640px){
  .grid-3,.grid-4,.grid-2,.steps,.fgrid{grid-template-columns:1fr}
  .stats .wrap{grid-template-columns:repeat(2,1fr);gap:18px}
  .foot-grid{grid-template-columns:1fr}
  .mobar{display:flex}
  body{padding-bottom:64px}
  .wa-fab{bottom:74px}
  .wa-pop{bottom:142px}
  .hero .btn-row .btn{flex:1}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}

/* legal pages */
.legal{max-width:820px;margin:0 auto}
.legal .eyebrow{margin-bottom:1.6rem}
.legal h2{font-size:clamp(1.15rem,2.2vw,1.45rem);margin:2.2rem 0 .7rem;color:var(--navy)}
.legal h2:first-of-type{margin-top:0}
.legal p{margin:0 0 .9rem;line-height:1.75;color:#41505c}
.foot-bot a{color:inherit;text-decoration:underline;text-underline-offset:3px}
.foot-bot a:hover{color:var(--amber)}