:root {
  --navy-950: #06182b;
  --navy-900: #0a2540;
  --blue-700: #0f4c81;
  --blue-500: #1b8be0;
  --blue-300: #6cc0ff;
  --green: #7cc36a;
  --ink: #0d1b2a;
  --muted: #4d5c73;
  --line: #dbe3ee;
  --bg: #ffffff;
  --bg-alt: #f3f6fa;
  --radius: 14px;
  --header-h: 72px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 8px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Montserrat", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.12; margin: 0; letter-spacing: -.02em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible { outline: 3px solid var(--blue-500); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 8px; background: #fff; color: var(--ink); padding: 10px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }

.wrap { width: min(1180px, 100% - 32px); margin-inline: auto; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 28px;
  font: 700 .95rem/1 "Montserrat", sans-serif; letter-spacing: .01em;
  text-decoration: none; border: 2px solid transparent; border-radius: 999px;
  cursor: pointer; transition: transform .25s var(--ease), background .25s, border-color .25s, box-shadow .25s;
}
.btn:hover { transform: translateY(-2px); }
.btn--sm { min-height: 44px; padding: 0 20px; font-size: .88rem; }
.nav-cta { background: var(--blue-500); color: #fff; }
.nav-cta:hover { background: #2a9cf0; }
.btn--block { width: 100%; }
.btn--primary { background: var(--blue-500); color: #fff; box-shadow: 0 10px 30px -10px rgba(27, 139, 224, .8); }
.btn--primary:hover { background: #2a9cf0; }
.btn--ghost { border-color: rgba(255, 255, 255, .5); color: #fff; }
.btn--ghost:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }
.btn--wa { background: #1fa855; color: #fff; }
.btn--wa:hover { background: #25bd62; }
.btn svg { width: 22px; height: 22px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--header-h);
  color: #fff; transition: background .3s, box-shadow .3s, color .3s;
}
.header-in { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: block; height: 44px; position: relative; flex: none; }
.brand .logo { height: 44px; width: auto; transition: opacity .3s; }
.logo--color { position: absolute; left: 0; top: 0; opacity: 0; }
.site-header.is-solid { background: rgba(255, 255, 255, .96); backdrop-filter: blur(12px); box-shadow: 0 1px 0 var(--line); color: var(--ink); }
.site-header.is-solid .logo--white { opacity: 0; }
.site-header.is-solid .logo--color { opacity: 1; }

.nav { display: none; align-items: center; gap: 28px; font-weight: 600; font-size: .9rem; }
.nav a:not(.btn) { text-decoration: none; opacity: .88; position: relative; padding: 6px 0; }
.nav a:not(.btn)::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: var(--blue-500); transition: width .3s var(--ease); }
.nav a:not(.btn):hover { opacity: 1; }
.nav a:not(.btn):hover::after { width: 100%; }

.burger { width: 48px; height: 48px; border: 0; background: transparent; cursor: pointer; display: grid; place-content: center; gap: 6px; color: inherit; }
.burger span { display: block; width: 24px; height: 2px; background: currentColor; border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

@media (max-width: 899px) {
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; display: flex; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--navy-950); color: #fff; padding: 8px 16px 24px;
    transform: translateY(-12px); opacity: 0; visibility: hidden; transition: transform .3s var(--ease), opacity .3s, visibility .3s;
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav a:not(.btn) { padding: 16px 4px; border-bottom: 1px solid rgba(255, 255, 255, .1); font-size: 1.05rem; }
  .nav a:not(.btn)::after { display: none; }
  .nav .btn { margin-top: 20px; }
}
@media (min-width: 900px) {
  .nav { display: flex; }
  .burger { display: none; }
}

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; color: #fff; overflow: hidden; background: var(--navy-950); }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 60% center; }
.hero-shade {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 24, 43, .75) 0, rgba(6, 24, 43, 0) 22%),
    linear-gradient(90deg, rgba(6, 24, 43, .95) 0, rgba(6, 24, 43, .78) 45%, rgba(6, 24, 43, .35) 100%);
}
.hero-in { position: relative; padding: calc(var(--header-h) + 40px) 0 96px; }
.kicker { font-size: .78rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--blue-300); margin-bottom: 20px; }
.hero h1 { font-size: clamp(2.5rem, 8.5vw, 5.75rem); font-weight: 800; letter-spacing: -.035em; max-width: 14ch; }
.grad { background: linear-gradient(90deg, var(--blue-300), var(--green)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { margin-top: 24px; max-width: 54ch; font-size: clamp(1.05rem, 2.4vw, 1.25rem); color: rgba(255, 255, 255, .86); }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 44px; }
.chips li { font-size: .82rem; font-weight: 600; padding: 8px 16px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .28); background: rgba(255, 255, 255, .07); backdrop-filter: blur(6px); }
.scroll-hint { position: absolute; left: 50%; bottom: 24px; width: 28px; height: 46px; margin-left: -14px; border: 2px solid rgba(255, 255, 255, .5); border-radius: 16px; display: none; }
.scroll-hint span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: #fff; animation: hint 1.8s infinite; }
@keyframes hint { 0% { opacity: 0; transform: translateY(0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(16px); } }
@media (min-width: 900px) { .scroll-hint { display: block; } }

/* ---------- Marcas ---------- */
.brands { background: var(--navy-950); color: #fff; padding: 56px 0 48px; border-top: 1px solid rgba(255, 255, 255, .08); }
.eyebrow { font-size: .78rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--blue-500); margin-bottom: 16px; }
.eyebrow--light, .brands .eyebrow { color: var(--blue-300); }
.brands .eyebrow { margin-bottom: 32px; }
.brand-groups { display: grid; gap: 28px 40px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.brand-groups h3 { font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--green); margin-bottom: 8px; }
.brand-groups p { font-size: 1rem; font-weight: 600; line-height: 1.7; color: rgba(255, 255, 255, .9); }
.brands-note { margin-top: 36px; font-size: .78rem; color: rgba(255, 255, 255, .5); }

/* ---------- Secciones ---------- */
.section { padding: clamp(72px, 11vw, 140px) 0; }
.section--alt { background: var(--bg-alt); }
.sec-head { max-width: 760px; margin-bottom: clamp(40px, 6vw, 72px); }
.sec-head h2, .why h2, .contact h2, .about h2 { font-size: clamp(1.9rem, 5vw, 3.2rem); font-weight: 800; }
.sec-head p:not(.eyebrow) { margin-top: 20px; color: var(--muted); font-size: 1.08rem; }

/* Servicios */
.svc-grid { display: grid; gap: 20px; }
.svc { position: relative; border-radius: var(--radius); overflow: hidden; background: var(--navy-900); color: #fff; min-height: 340px; display: flex; isolation: isolate; }
.svc img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .8s var(--ease); }
.svc::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(6, 24, 43, .15) 0, rgba(6, 24, 43, .92) 78%); }
.svc:hover img { transform: scale(1.05); }
.svc-body { align-self: flex-end; padding: 28px; }
.num { display: inline-block; font-weight: 800; font-size: .85rem; letter-spacing: .1em; color: var(--blue-300); margin-bottom: 10px; }
.svc h3 { font-size: clamp(1.25rem, 2.6vw, 1.6rem); font-weight: 700; }
.svc p { margin-top: 10px; color: rgba(255, 255, 255, .85); font-size: .97rem; max-width: 46ch; }
@media (min-width: 760px) { .svc-grid { grid-template-columns: 1fr 1fr; } .svc { min-height: 420px; } }

.extra { margin-top: 20px; padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-alt); }
.extra h3 { font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--blue-700); margin-bottom: 16px; }
.extra ul { display: grid; gap: 14px; }
.extra li { padding-left: 22px; position: relative; color: var(--muted); }
.extra li strong { color: var(--ink); }
.extra li::before { content: ""; position: absolute; left: 0; top: .6em; width: 8px; height: 8px; border-radius: 2px; background: var(--blue-500); }
@media (min-width: 900px) { .extra ul { grid-template-columns: repeat(3, 1fr); gap: 32px; } }

/* Por qué */
.why { background: linear-gradient(135deg, var(--navy-950), var(--blue-700)); color: #fff; padding: clamp(72px, 11vw, 130px) 0; }
.why-in { display: grid; gap: 48px; align-items: center; }
.why-copy p:not(.eyebrow) { margin: 22px 0 32px; color: rgba(255, 255, 255, .85); font-size: 1.08rem; max-width: 52ch; }
.why-list { display: grid; gap: 14px; }
.why-list li { display: flex; gap: 18px; padding: 24px; border-radius: var(--radius); background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .12); }
.why-list svg { flex: none; width: 28px; height: 28px; margin-top: 2px; color: var(--green); }
.why-list h3 { font-size: 1.1rem; font-weight: 700; }
.why-list p { margin-top: 6px; color: rgba(255, 255, 255, .78); font-size: .96rem; }
@media (min-width: 960px) { .why-in { grid-template-columns: 1.05fr 1fr; gap: 80px; } }

/* Proceso */
.steps { display: grid; gap: 16px; counter-reset: s; }
.steps li { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: transform .3s var(--ease), box-shadow .3s; }
.steps li:hover { transform: translateY(-4px); box-shadow: 0 20px 40px -24px rgba(10, 37, 64, .35); }
.steps .num { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--navy-900); color: #fff; font-size: 1rem; letter-spacing: 0; margin-bottom: 18px; }
.steps h3 { font-size: 1.1rem; font-weight: 700; }
.steps p { margin-top: 8px; color: var(--muted); font-size: .95rem; }
@media (min-width: 700px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .steps { grid-template-columns: repeat(5, 1fr); } }

/* Galería */
.gallery { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }
.tile { position: relative; padding: 0; border: 0; border-radius: 12px; overflow: hidden; cursor: zoom-in; background: var(--navy-900); aspect-ratio: 4 / 3; font: inherit; color: #fff; }
.tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.tile:hover img { transform: scale(1.06); }
.tile span { position: absolute; left: 0; right: 0; bottom: 0; padding: 36px 14px 12px; text-align: left; font-weight: 700; font-size: .85rem; background: linear-gradient(180deg, transparent, rgba(6, 24, 43, .9)); }
.tile--wide { grid-column: 1 / -1; aspect-ratio: 16 / 9; }
@media (min-width: 860px) {
  .gallery { grid-template-columns: repeat(4, 1fr); gap: 16px; }
  .tile--wide { grid-column: span 2; grid-row: span 2; aspect-ratio: auto; }
  .tile span { font-size: .95rem; padding: 44px 18px 16px; }
}

/* Lightbox */
.lightbox { border: 0; padding: 0; background: transparent; max-width: min(1100px, 94vw); max-height: 92vh; color: #fff; overflow: visible; }
.lightbox::backdrop { background: rgba(3, 12, 22, .92); }
.lightbox img { max-height: 80vh; width: auto; margin-inline: auto; border-radius: 10px; }
.lightbox p { text-align: center; margin-top: 14px; font-weight: 600; }
.lb-close { position: absolute; right: 0; top: -52px; width: 44px; height: 44px; border-radius: 50%; border: 0; background: rgba(255, 255, 255, .14); color: #fff; font-size: 1.8rem; line-height: 1; cursor: pointer; }
.lb-close:hover { background: rgba(255, 255, 255, .28); }

/* Nosotros */
.about { display: grid; gap: 48px; }
.about p:not(.eyebrow) { margin-top: 22px; color: var(--muted); font-size: 1.08rem; }
.mv { display: grid; gap: 16px; align-content: start; }
.mv article { padding: 28px; border-radius: var(--radius); background: var(--bg-alt); border-left: 4px solid var(--blue-500); }
.mv h3 { font-size: 1.15rem; font-weight: 800; margin-bottom: 10px; }
.mv p { color: var(--muted); font-size: .98rem; }
@media (min-width: 960px) { .about { grid-template-columns: 1.1fr 1fr; gap: 80px; align-items: start; } }

/* FAQ */
.faq-wrap { max-width: 860px; }
.faq { display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.faq summary { cursor: pointer; list-style: none; padding: 20px 56px 20px 22px; font-weight: 700; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); font-size: 1.6rem; font-weight: 400; color: var(--blue-500); transition: transform .3s var(--ease); }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 22px 22px; color: var(--muted); }

/* Contacto */
.contact { background: var(--navy-950); color: #fff; padding: clamp(72px, 11vw, 130px) 0; }
.contact-in { display: grid; gap: 56px; }
.contact-copy > p:not(.eyebrow) { margin-top: 20px; color: rgba(255, 255, 255, .82); font-size: 1.08rem; max-width: 50ch; }
.after { margin: 28px 0 36px; display: grid; gap: 12px; counter-reset: a; }
.after li { counter-increment: a; display: flex; gap: 14px; color: rgba(255, 255, 255, .85); }
.after li::before { content: counter(a); flex: none; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--blue-500); color: #fff; font-weight: 800; font-size: .8rem; }
.after strong { color: #fff; }
.contact-list { margin-top: 28px; display: grid; gap: 14px; font-size: .96rem; color: rgba(255, 255, 255, .85); }
.contact-list li { display: grid; gap: 2px; }
.contact-list span { font-size: .74rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--blue-300); }
.contact-list a { text-decoration: none; font-weight: 600; width: fit-content; }
.contact-list a:hover { text-decoration: underline; }

.form { background: #fff; color: var(--ink); border-radius: 20px; padding: clamp(24px, 4vw, 40px); display: grid; gap: 18px; align-content: start; }
.field { display: grid; gap: 6px; }
.field label { font-weight: 700; font-size: .86rem; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink); background: #fff;
  border: 1.5px solid #c5d0de; border-radius: 10px; padding: 13px 14px; min-height: 50px;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid rgba(27, 139, 224, .35); border-color: var(--blue-500); }
.row { display: grid; gap: 18px; }
.hp { position: absolute; left: -9999px; }
.form-status { min-height: 1.4em; font-weight: 600; font-size: .95rem; }
.form-status.ok { color: #14803c; }
.form-status.err { color: #b42318; }
.form-status a { text-decoration: underline; }
@media (min-width: 620px) { .row { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .contact-in { grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; } }

/* Footer */
.site-footer { background: #041120; color: rgba(255, 255, 255, .7); padding: 56px 0 40px; }
.foot-in { display: grid; gap: 20px; justify-items: start; }
.foot-in img { height: 48px; width: auto; }
.foot-in nav { display: flex; flex-wrap: wrap; gap: 8px 24px; font-weight: 600; font-size: .92rem; }
.foot-in nav a { text-decoration: none; }
.foot-in nav a:hover { color: #fff; text-decoration: underline; }
.foot-in small { opacity: .6; }

/* WhatsApp flotante */
.wa-float { position: fixed; right: 16px; bottom: 16px; z-index: 40; width: 58px; height: 58px; border-radius: 50%; background: #1fa855; color: #fff; display: grid; place-items: center; box-shadow: 0 12px 30px -8px rgba(0, 0, 0, .5); transition: transform .25s var(--ease); }
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; }

/* Revelado al scroll (solo con JS activo) */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}