/* ============================================================
   TEC COM ELECTRÓNICA E.I.R.L. — Estilos globales
   Paleta tomada del logo: azul institucional + amarillo rayo
   ============================================================ */

:root {
  --azul: #0f3a94;
  --azul-oscuro: #0b255f;
  --azul-claro: #e8eefb;
  --amarillo: #ffc20e;
  --amarillo-oscuro: #e0a800;
  --gris-900: #1a1f2e;
  --gris-700: #4a5065;
  --gris-500: #7b8194;
  --gris-200: #e4e7ee;
  --gris-100: #f4f6fa;
  --blanco: #ffffff;

  --font-titulos: "Merriweather", Georgia, "Times New Roman", serif;
  --font-texto: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --radio: 14px;
  --sombra: 0 10px 30px rgba(12, 44, 122, 0.10);
  --ancho: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-texto);
  color: var(--gris-900);
  background: var(--blanco);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--azul); text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-titulos); line-height: 1.2; margin: 0 0 .5em; color: var(--azul-oscuro); }
h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }

.container { width: min(var(--ancho), 100% - 2.5rem); margin-inline: auto; }
.section { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.section--gris { background: var(--gris-100); }
.section--azul { background: var(--azul-oscuro); color: var(--blanco); }
.section--azul h2, .section--azul h3 { color: var(--blanco); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--azul); margin-bottom: 1rem;
}
.eyebrow::before { content: ""; width: 28px; height: 3px; background: var(--amarillo); border-radius: 2px; }
.section--azul .eyebrow { color: var(--amarillo); }
.lead { font-size: 1.15rem; color: var(--gris-700); max-width: 62ch; }
.section--azul .lead { color: rgba(255,255,255,.85); }
.text-center { text-align: center; }
.text-center .lead { margin-inline: auto; }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .9rem 1.6rem; border-radius: 999px; font-weight: 600; font-size: 1rem;
  border: 2px solid transparent; cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--amarillo { background: var(--amarillo); color: var(--azul-oscuro); box-shadow: 0 6px 18px rgba(255,194,14,.35); }
.btn--amarillo:hover { background: #ffd043; }
.btn--azul { background: var(--azul); color: var(--blanco); }
.btn--azul:hover { background: var(--azul-oscuro); }
.btn--outline { border-color: var(--blanco); color: var(--blanco); }
.btn--outline:hover { background: rgba(255,255,255,.1); }
.btn--outline-azul { border-color: var(--azul); color: var(--azul); }
.btn--outline-azul:hover { background: var(--azul-claro); }
.btn svg { width: 20px; height: 20px; }

/* ================= Header ================= */
.topbar {
  background: var(--azul-oscuro); color: rgba(255,255,255,.9); font-size: .85rem;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 1rem; min-height: 38px; flex-wrap: wrap; }
.topbar a { color: inherit; display: inline-flex; align-items: center; gap: .4rem; }
.topbar a:hover { color: var(--amarillo); }
.topbar__group { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.topbar svg { width: 15px; height: 15px; }

.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.96); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gris-200);
}
.header .container { display: flex; align-items: center; justify-content: space-between; gap: 2rem; min-height: 84px; }
.logo img { height: 56px; width: auto; }

.nav { display: flex; align-items: center; gap: 1.75rem; }
.nav a { font-weight: 600; color: var(--gris-700); font-size: .95rem; position: relative; padding: .25rem 0; }
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: -4px; width: 0; height: 3px;
  background: var(--amarillo); border-radius: 2px; transition: width .2s;
}
.nav a:hover::after, .nav a.is-active::after { width: 100%; }
.nav a.is-active { color: var(--azul); }
.nav .btn { padding: .65rem 1.25rem; font-size: .9rem; }
.nav .btn--azul { color: var(--blanco); }

.nav-toggle {
  display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; padding: 8px;
}
.nav-toggle span { display: block; height: 3px; background: var(--azul-oscuro); border-radius: 2px; margin: 6px 0; transition: .25s; }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--blanco); border-bottom: 1px solid var(--gris-200);
    box-shadow: var(--sombra); padding: .5rem 1.25rem 1.25rem;
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: .85rem 0; border-bottom: 1px solid var(--gris-200); }
  .nav a::after { display: none; }
  .nav .btn { margin-top: 1rem; border: 0; }
  .topbar__group--right { display: none; }
}

/* ================= Hero ================= */
.hero {
  position: relative; overflow: hidden;
  background: var(--gris-100);
  border-bottom: 1px solid var(--gris-200);
}
.hero .container {
  position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center;
  min-height: 560px; padding-block: 4.5rem;
}
.hero h1 { color: var(--azul-oscuro); margin-bottom: 1.25rem; }
.hero .lead { font-size: 1.15rem; margin-bottom: 2rem; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.hero__badges { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.hero__badge { display: flex; align-items: center; gap: .6rem; font-size: .9rem; color: var(--gris-700); }
.hero__badge svg { width: 22px; height: 22px; color: var(--azul); flex-shrink: 0; }

.hero__card {
  background: var(--blanco); color: var(--gris-900); border-radius: var(--radio);
  padding: 2rem; border: 1px solid var(--gris-200); box-shadow: var(--sombra);
  border-top: 4px solid var(--azul);
}
.hero__card h3 { margin-bottom: 1.25rem; }
.hero__card ul { list-style: none; margin: 0 0 1.5rem; padding: 0; display: grid; gap: .8rem; }
.hero__card li { display: flex; gap: .75rem; align-items: flex-start; font-size: .95rem; color: var(--gris-700); }
.hero__card li svg { width: 22px; height: 22px; color: var(--azul); flex-shrink: 0; margin-top: 2px; }
.hero__card .btn { width: 100%; }

@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; min-height: auto; padding-block: 3rem; }
}

/* ================= Stats ================= */
.stats { background: var(--blanco); border-bottom: 1px solid var(--gris-200); }
.stats .container { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 1.75rem 1rem; text-align: center; border-right: 1px solid var(--gris-200); }
.stat:last-child { border-right: 0; }
.stat strong { display: block; font-family: var(--font-titulos); font-size: 1.9rem; color: var(--azul-oscuro); line-height: 1; margin-bottom: .35rem; }
.stat span { font-size: .9rem; color: var(--gris-500); }
@media (max-width: 700px) {
  .stats .container { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--gris-200); }
}

/* ================= Servicios ================= */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; align-items: center; }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--blanco); border-radius: var(--radio); padding: 2rem;
  border: 1px solid var(--gris-200); transition: transform .2s, box-shadow .2s, border-color .2s;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--sombra); border-color: transparent; }
.card__icon {
  width: 56px; height: 56px; border-radius: 12px; background: var(--azul-claro); color: var(--azul);
  display: grid; place-items: center; margin-bottom: 1.25rem;
}
.card__icon svg { width: 28px; height: 28px; }
.card p { color: var(--gris-700); font-size: .95rem; flex: 1; }
.card__link { font-weight: 600; display: inline-flex; align-items: center; gap: .35rem; }
.card__link svg { width: 18px; height: 18px; transition: transform .2s; }
.card__link:hover svg { transform: translateX(4px); }

/* ================= Nosotros / Por qué ================= */
.checklist { list-style: none; padding: 0; margin: 1.5rem 0; display: grid; gap: 1rem; }
.checklist li { display: flex; gap: .85rem; align-items: flex-start; }
.checklist li svg { width: 24px; height: 24px; color: var(--amarillo); flex-shrink: 0; margin-top: 2px; }
.checklist strong { display: block; color: var(--azul-oscuro); }
.checklist span { color: var(--gris-700); font-size: .95rem; }

.about__visual {
  position: relative; border-radius: var(--radio); overflow: hidden;
  background: linear-gradient(160deg, var(--azul-claro), #d5e0f7);
  aspect-ratio: 4/3; display: grid; place-items: center;
}
.about__visual img { width: 60%; }
.about__visual::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(18,64,179,.15) 1.5px, transparent 1.5px);
  background-size: 22px 22px;
}
.about__tag {
  position: absolute; bottom: 1.25rem; left: 1.25rem; z-index: 1;
  background: var(--azul-oscuro); color: var(--blanco); padding: .9rem 1.25rem; border-radius: 10px;
  font-size: .9rem; box-shadow: var(--sombra);
}
.about__tag strong { color: var(--amarillo); font-family: var(--font-titulos); font-size: 1.5rem; display: block; line-height: 1; }

/* ================= Credenciales ================= */
.creds { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.cred {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); border-radius: var(--radio);
  padding: 1.5rem; text-align: center;
}
.cred svg { width: 36px; height: 36px; color: var(--amarillo); margin: 0 auto .75rem; }
.cred strong { display: block; margin-bottom: .25rem; }
.cred span { font-size: .85rem; color: rgba(255,255,255,.7); }
@media (max-width: 900px) { .creds { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .creds { grid-template-columns: 1fr; } }

/* ================= Proceso ================= */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; counter-reset: paso; }
.step { position: relative; padding-top: 1rem; }
.step__num {
  width: 48px; height: 48px; border-radius: 50%; background: var(--amarillo); color: var(--azul-oscuro);
  font-family: var(--font-titulos); font-weight: 700; font-size: 1.25rem; display: grid; place-items: center; margin-bottom: 1rem;
}
.step p { color: var(--gris-700); font-size: .95rem; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .steps { grid-template-columns: 1fr; } }

/* ================= CTA ================= */
.cta { background: var(--azul-claro); color: var(--azul-oscuro); border-block: 1px solid var(--gris-200); }
.cta .container { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.cta h2 { color: var(--azul-oscuro); margin-bottom: .35rem; }
.cta p { margin: 0; color: rgba(12,44,122,.8); }


/* ================= Contacto ================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-list { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: 1.25rem; }
.contact-list li { display: flex; gap: 1rem; align-items: flex-start; }
.contact-list svg { width: 22px; height: 22px; color: var(--azul); flex-shrink: 0; margin-top: 3px; }
.contact-list strong { display: block; color: var(--azul-oscuro); }
.contact-list span, .contact-list a { color: var(--gris-700); }

.form { background: var(--blanco); border-radius: var(--radio); padding: 2rem; border: 1px solid var(--gris-200); box-shadow: var(--sombra); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 600px) { .form__row { grid-template-columns: 1fr; } }
.form label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .35rem; color: var(--gris-700); }
.form input, .form select, .form textarea {
  width: 100%; padding: .8rem 1rem; border: 1px solid var(--gris-200); border-radius: 10px;
  font: inherit; margin-bottom: 1rem; background: var(--gris-100); transition: border-color .15s, box-shadow .15s;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--azul); box-shadow: 0 0 0 3px rgba(18,64,179,.15); background: var(--blanco);
}
.form textarea { min-height: 120px; resize: vertical; }
.form .btn { width: 100%; }
.form small { display: block; color: var(--gris-500); margin-top: .75rem; text-align: center; }

/* ================= Footer ================= */
.footer { background: var(--gris-900); color: rgba(255,255,255,.75); font-size: .92rem; }
.footer__main { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 2.5rem; padding: 3.5rem 0 2.5rem; }
@media (max-width: 900px) { .footer__main { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .footer__main { grid-template-columns: 1fr; } }
.footer__logo { background: var(--blanco); display: inline-block; padding: .6rem .9rem; border-radius: 10px; margin-bottom: 1rem; }
.footer__logo img { height: 40px; width: auto; }
.footer h4 { color: var(--blanco); font-family: var(--font-texto); font-size: .95rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 1rem; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; }
.footer a { color: inherit; }
.footer a:hover { color: var(--amarillo); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 1.25rem 0; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: .82rem; color: rgba(255,255,255,.5); }

/* ================= WhatsApp flotante ================= */
.wa-float {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%; background: #25d366; color: #fff;
  display: grid; place-items: center; box-shadow: 0 10px 25px rgba(37,211,102,.4);
  transition: transform .2s;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; }

/* ================= Animación de entrada ================= */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ================= Páginas internas ================= */
.page-hero {
  position: relative; background: var(--azul-oscuro); color: var(--blanco); overflow: hidden;
}
.page-hero__bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: .18; filter: saturate(.6);
}
.page-hero .container { position: relative; padding-block: clamp(3rem, 6vw, 4.5rem); }
.page-hero h1 { color: var(--blanco); margin-bottom: .35rem; font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
.page-hero p { color: rgba(255,255,255,.8); margin: 0; max-width: 70ch; }
.breadcrumb { font-size: .85rem; color: rgba(255,255,255,.6); margin-bottom: 1rem; display: block; }
.breadcrumb a { color: rgba(255,255,255,.85); }
.breadcrumb a:hover { color: var(--amarillo); }

/* Índice de servicios */
.toc { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.5rem; }
.toc a {
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.25); color: var(--blanco);
  padding: .45rem 1rem; border-radius: 999px; font-size: .85rem; font-weight: 600;
}
.toc a:hover { background: var(--amarillo); border-color: var(--amarillo); color: var(--azul-oscuro); }

/* Secciones de servicio */
.svc { padding: clamp(2.5rem, 5vw, 4rem) 0; border-bottom: 1px solid var(--gris-200); scroll-margin-top: 110px; }
.svc:last-of-type { border-bottom: 0; }
.svc .container { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2.5rem; align-items: start; }
.svc--alt { background: var(--gris-100); }
.svc--alt .container > div:first-child { order: 2; }
.svc h2 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); }
.svc p { color: var(--gris-700); }
.svc__fotos { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.svc__fotos img { border-radius: var(--radio); width: 100%; height: 230px; object-fit: cover; box-shadow: var(--sombra); }
.svc__fotos img:only-child { grid-column: 1 / -1; height: 300px; }
@media (max-width: 900px) {
  .svc .container { grid-template-columns: 1fr; }
  .svc--alt .container > div:first-child { order: 0; }
}

/* Pasos compactos */
.steps-mini { list-style: none; counter-reset: p; padding: 0; margin: 1.25rem 0 0; display: grid; gap: .55rem; }
.steps-mini li { counter-increment: p; display: flex; gap: .75rem; align-items: baseline; color: var(--gris-700); font-size: .95rem; }
.steps-mini li::before {
  content: counter(p); flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%;
  background: var(--amarillo); color: var(--azul-oscuro); font-weight: 700; font-size: .8rem;
  display: inline-flex; align-items: center; justify-content: center; transform: translateY(4px);
}

/* Listas con flecha (proyectos) */
.arrow-list { list-style: none; padding: 0; margin: 1rem 0; display: grid; gap: .6rem; }
.arrow-list li { display: flex; gap: .65rem; align-items: baseline; color: var(--gris-700); }
.arrow-list li::before { content: "→"; color: var(--azul); font-weight: 700; flex-shrink: 0; }
.cols-2 { columns: 2; column-gap: 2.5rem; }
.cols-2 li { break-inside: avoid; margin-bottom: .6rem; }
@media (max-width: 700px) { .cols-2 { columns: 1; } }

/* Galería */
.galeria { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.galeria img { border-radius: var(--radio); width: 100%; height: 200px; object-fit: cover; }
@media (max-width: 900px) { .galeria { grid-template-columns: repeat(2, 1fr); } }

/* Clientes y marcas */
.chips { display: flex; flex-wrap: wrap; gap: .6rem; }
.chip {
  background: var(--blanco); border: 1px solid var(--gris-200); border-radius: 999px;
  padding: .5rem 1.1rem; font-size: .9rem; font-weight: 600; color: var(--gris-700);
}
.section--azul .chip { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.2); color: rgba(255,255,255,.9); }
.chip--marca { border-left: 4px solid var(--amarillo); }

/* Foto redondeada genérica */
.foto-r { border-radius: var(--radio); box-shadow: var(--sombra); width: 100%; object-fit: cover; }
.arrow-list.cols-2 { display: block; }
.arrow-list.cols-2 li { margin-bottom: .65rem; }