/* ===================== TRABSA · sistema visual ===================== */
:root{
  /* Paleta tomada del logo TRABSA: azul #02416c + carretera oscura + blanco */
  --navy-900:#011a2d;
  --navy-800:#012740;
  --navy-700:#02416c;   /* azul de marca (logo) */
  --navy-600:#0a5588;
  --blue-500:#0a6fbe;   /* azul de acción (CTA/links) */
  --blue-400:#2f93da;
  --blue-300:#78c0ee;
  --ink:#12181f;
  --slate:#4a5a6a;
  --line:#e3e9f0;
  --bg:#ffffff;
  --bg-muted:#f4f7fb;
  --white:#ffffff;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(16,32,55,.06);
  --shadow:0 18px 50px rgba(16,32,55,.14);
  --wrap:1180px;
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --display:'Barlow Condensed','Inter',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- botones ---------- */
.btn{display:inline-flex;align-items:center;gap:.55em;font-weight:700;border-radius:999px;
  transition:.2s ease;cursor:pointer;border:2px solid transparent;line-height:1;white-space:nowrap}
.btn--sm{padding:.6em 1.1em;font-size:.86rem}
.btn--lg{padding:.95em 1.6em;font-size:1rem}
.btn--primary{background:var(--blue-500);color:#fff}
.btn--primary:hover{background:var(--blue-400);transform:translateY(-2px);box-shadow:0 10px 24px rgba(32,114,184,.35)}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.section--muted .btn--ghost,.section:not(.section--dark) .nav__cta .btn--ghost{border-color:var(--navy-600);color:var(--navy-700)}
/* Header es claro: el botón ghost debe ir en azul marino, no blanco */
.nav .btn--ghost{border-color:var(--navy-600);color:var(--navy-700)}
.nav .btn--ghost:hover{background:rgba(2,65,108,.08);border-color:var(--navy-700)}
.btn--white{background:#fff;color:var(--navy-700)}
.btn--white:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.18)}

/* ---------- barra superior ---------- */
.topbar{background:var(--navy-900);color:#c9d6e5;font-size:.82rem}
.topbar__inner{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px}
.topbar a{color:#c9d6e5;transition:.2s}
.topbar a:hover{color:#fff}
.topbar .sep{margin:0 .5em;opacity:.4}
.topbar__links{display:flex;gap:18px}
.topbar__links a{position:relative}
.topbar__links a:hover{color:var(--blue-300)}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);transition:.3s}
.nav.scrolled{box-shadow:var(--shadow-sm)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand__logo{height:44px;width:auto}
.brand__name{font-family:var(--display);font-weight:700;font-size:1.28rem;letter-spacing:.5px;color:var(--navy-800)}
.brand__name span{color:var(--blue-500)}
.nav__menu{display:flex;gap:28px;margin-left:auto}
.nav__menu a{font-weight:600;font-size:.95rem;color:var(--slate);position:relative;padding:4px 0}
.nav__menu a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--blue-500);transition:.25s}
.nav__menu a:hover{color:var(--navy-800)}
.nav__menu a:hover::after{width:100%}
.nav__cta{display:flex;gap:10px;align-items:center;flex-shrink:0}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav__toggle span{width:26px;height:3px;background:var(--navy-800);border-radius:2px;transition:.3s}

/* ---------- hero ---------- */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.04)}
.hero__overlay{position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(9,20,33,.93) 0%,rgba(12,32,55,.82) 42%,rgba(12,32,55,.35) 100%)}
.hero__content{position:relative;z-index:2;padding:110px 24px}
.eyebrow{display:inline-block;font-weight:600;font-size:.82rem;letter-spacing:2px;text-transform:uppercase;
  color:var(--blue-300);border:1px solid rgba(111,180,232,.4);padding:.5em 1em;border-radius:999px;margin-bottom:22px}
.hero h1{font-family:var(--display);font-weight:700;font-size:clamp(2.6rem,6vw,4.6rem);line-height:1.02;
  letter-spacing:.5px;margin-bottom:20px;text-transform:uppercase}
.hero h1 .hl{color:var(--blue-400)}
.hero__lead{font-size:clamp(1.05rem,2vw,1.28rem);max-width:600px;color:#dce6f1;margin-bottom:34px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:56px}
.hero__stats{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:720px;
  border-top:1px solid rgba(255,255,255,.18);padding-top:28px}
.hero__stats strong{display:block;font-family:var(--display);font-size:2.5rem;line-height:1;color:#fff}
.hero__stats span{font-size:.82rem;color:#b7c6d8}

/* ---------- secciones base ---------- */
.section{padding:88px 0}
.section--muted{background:var(--bg-muted)}
.section--dark{background:linear-gradient(160deg,var(--navy-800),var(--navy-900));color:#eaf1f8}
.kicker{display:inline-block;font-weight:700;font-size:.78rem;letter-spacing:2px;text-transform:uppercase;
  color:var(--blue-500);margin-bottom:14px}
.kicker--light{color:var(--blue-300)}
.section__title{font-family:var(--display);font-weight:700;font-size:clamp(1.9rem,4vw,2.9rem);line-height:1.08;
  letter-spacing:.4px;text-transform:uppercase;color:var(--navy-800);margin-bottom:18px}
.section--dark .section__title{color:#fff}
.section__head{text-align:center;max-width:760px;margin:0 auto 52px}
.lead{font-size:1.1rem;color:var(--slate)}
.section--dark .lead{color:#c4d2e2}
.lead.center{margin:0 auto}
p+p{margin-top:14px}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.grid-2--rev .media-frame{order:-1}

.media-frame{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame--dark{box-shadow:0 20px 50px rgba(0,0,0,.45)}

.pill-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.pill{display:inline-flex;align-items:center;gap:.5em;background:#eaf2fb;color:var(--navy-700);
  font-weight:600;font-size:.9rem;padding:.6em 1em;border-radius:999px}
.pill svg{color:var(--blue-500)}

/* ---------- cards servicios ---------- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;
  transition:.25s;box-shadow:var(--shadow-sm)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card__ic{width:56px;height:56px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(150deg,var(--navy-700),var(--blue-500));color:#fff}
.card__ic svg{width:28px;height:28px}
.card h3{font-size:1.12rem;color:var(--navy-800);margin-bottom:8px;line-height:1.25}
.card p{font-size:.94rem;color:var(--slate)}

/* ---------- showcase fotos ---------- */
.showcase{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.showcase__item{position:relative;overflow:hidden;aspect-ratio:4/3}
.showcase__item img{width:100%;height:100%;object-fit:cover;transition:.5s}
.showcase__item:hover img{transform:scale(1.06)}
.showcase__item figcaption{position:absolute;inset:0;display:flex;align-items:flex-end;padding:22px;
  background:linear-gradient(to top,rgba(9,20,33,.78),transparent 55%)}
.showcase__item figcaption span{color:#fff;font-family:var(--display);font-weight:700;font-size:1.35rem;
  text-transform:uppercase;letter-spacing:.5px}

/* ---------- feature list (monitoreo) ---------- */
.feature-list{list-style:none;display:flex;flex-direction:column;gap:20px;margin-top:26px}
.feature-list li{display:flex;gap:16px;align-items:flex-start}
.feature-list svg{color:var(--blue-300);flex-shrink:0;margin-top:2px}
.feature-list strong{color:#fff}
.feature-list div{color:#c4d2e2;font-size:1.02rem}

/* ---------- cobertura ---------- */
.cover{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.cover__stat{background:var(--bg-muted);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 24px;text-align:center}
.cover__stat strong{display:block;font-family:var(--display);font-size:2.4rem;color:var(--blue-500);line-height:1;margin-bottom:8px}
.cover__stat span{font-size:.92rem;color:var(--slate)}

/* ---------- infraestructura + galería ---------- */
.infra{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-bottom:44px}
.infra__stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px;text-align:center;box-shadow:var(--shadow-sm)}
.infra__stat strong{display:block;font-family:var(--display);font-size:2.3rem;color:var(--navy-700);line-height:1;margin-bottom:6px}
.infra__stat span{font-size:.9rem;color:var(--slate)}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:190px;gap:14px}
.gallery img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius-sm)}
.gallery__wide{grid-column:span 2;grid-row:span 2}

/* ---------- portales ---------- */
.portals{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.portal{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);
  padding:30px 26px;transition:.25s;display:flex;flex-direction:column;gap:8px}
.portal:hover{background:rgba(255,255,255,.1);transform:translateY(-6px);border-color:var(--blue-400)}
.portal__ic{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;margin-bottom:10px;
  background:linear-gradient(150deg,var(--blue-500),var(--blue-400));color:#fff}
.portal__ic svg{width:26px;height:26px}
.portal h3{color:#fff;font-size:1.14rem}
.portal p{color:#b7c6d8;font-size:.92rem;flex-grow:1}
.portal__cta{color:var(--blue-300);font-weight:700;font-size:.92rem;margin-top:6px}

/* ---------- cta band ---------- */
.cta-band{background:linear-gradient(120deg,var(--blue-500),var(--navy-700));color:#fff;padding:56px 0}
.cta-band__inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{font-family:var(--display);font-size:clamp(1.7rem,3vw,2.4rem);text-transform:uppercase;letter-spacing:.4px}
.cta-band p{color:#e5eefb;font-size:1.05rem;margin-top:6px}

/* ---------- contacto ---------- */
.contact-list{list-style:none;display:flex;flex-direction:column;gap:22px;margin-top:26px}
.contact-list li{display:flex;gap:16px;align-items:flex-start}
.contact-list svg{color:var(--blue-500);flex-shrink:0;margin-top:2px}
.contact-list a{color:var(--blue-500);font-weight:600}
.contact-list a:hover{text-decoration:underline}
.map-frame{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);min-height:380px}
.map-frame iframe{width:100%;height:100%;min-height:380px;border:0;display:block}

/* ---------- footer ---------- */
.footer{background:var(--navy-900);color:#c9d6e5;padding:48px 0 0}
.footer__inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer__brand{display:flex;align-items:center;gap:14px;max-width:360px}
.footer__brand img{height:52px;width:auto}
.footer__brand p{font-size:.92rem}
.footer__nav{display:flex;gap:22px;flex-wrap:wrap}
.footer__nav a{font-weight:600;font-size:.92rem;transition:.2s}
.footer__nav a:hover{color:#fff}
.footer__bottom{padding:20px 0;font-size:.82rem;color:#7f92a8;text-align:center}

/* ---------- whatsapp flotante ---------- */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;
  background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 26px rgba(37,211,102,.45);
  transition:.25s}
.wa-float:hover{transform:scale(1.08)}

/* ---------- modal + formulario operador ---------- */
.portal[data-open]{cursor:pointer;text-align:left;font:inherit}
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal__backdrop{position:absolute;inset:0;background:rgba(2,14,24,.68);backdrop-filter:blur(3px)}
.modal__dialog{position:relative;background:#fff;border-radius:var(--radius);max-width:640px;width:100%;
  max-height:92vh;overflow-y:auto;padding:38px 40px;box-shadow:0 30px 80px rgba(0,0,0,.4);
  animation:pop .25s ease}
@keyframes pop{from{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:none}}
.modal__x{position:absolute;top:14px;right:18px;background:none;border:0;font-size:2rem;line-height:1;
  color:var(--slate);cursor:pointer;transition:.2s}
.modal__x:hover{color:var(--navy-700)}
.modal__head{margin-bottom:22px}
.modal__head h3{font-family:var(--display);font-size:1.9rem;text-transform:uppercase;color:var(--navy-800);letter-spacing:.4px;margin:4px 0 6px}
.modal__head p{color:var(--slate);font-size:.98rem}
.form{display:flex;flex-direction:column;gap:16px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:flex;flex-direction:column;gap:6px;font-size:.86rem;font-weight:600;color:var(--navy-800)}
.form input,.form select,.form textarea{font:inherit;font-weight:400;font-size:.95rem;padding:.72em .9em;
  border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);transition:.2s;width:100%}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--blue-500);
  box-shadow:0 0 0 3px rgba(10,111,190,.15)}
.form textarea{resize:vertical}
.form input:user-invalid,.form select:user-invalid{border-color:#d9534f}
.form__foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px}
.form__msg{font-size:.9rem;font-weight:600;margin:0}
.form__msg.ok{color:#1c8a4e}
.form__msg.err{color:#d9534f}
.btn[disabled]{opacity:.6;pointer-events:none}

/* ===================== responsive ===================== */
@media(max-width:960px){
  .nav__menu,.nav__cta{display:none}
  .nav__toggle{display:flex}
  .nav.open .nav__menu{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;
    background:#fff;padding:18px 24px;gap:6px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav.open .nav__menu a{padding:12px 0;border-bottom:1px solid var(--line)}
  .cards,.portals,.cover,.infra{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr;gap:34px}
  .grid-2--rev .media-frame{order:0}
  .hero__stats{grid-template-columns:repeat(2,1fr);gap:24px}
  .showcase{grid-template-columns:repeat(2,1fr)}
  .showcase__item{aspect-ratio:4/3}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:160px}
  .gallery__wide{grid-column:span 2;grid-row:span 1}
}
@media(max-width:560px){
  .topbar__contact{display:none}
  .topbar__inner{justify-content:center}
  .section{padding:60px 0}
  .cards,.portals,.cover,.infra{grid-template-columns:1fr}
  .hero__stats{grid-template-columns:repeat(2,1fr)}
  .hero__actions .btn{width:100%;justify-content:center}
  .cta-band__inner{flex-direction:column;text-align:center}
  .footer__inner{flex-direction:column;text-align:center}
  .footer__brand{flex-direction:column;text-align:center}
  .gallery{grid-template-columns:1fr}
  .gallery__wide{grid-column:span 1}
  .showcase{grid-template-columns:1fr}
  .showcase__item{aspect-ratio:16/9}
  .form__row{grid-template-columns:1fr}
  .modal__dialog{padding:30px 22px}
}