/* ==========================================================================
   SERI — Comercializadora Nacional
   Tokens: azul institucional + blanco. Serif de autoridad (Fraunces) para
   titulares, Inter para texto y datos de catálogo.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --navy-900: #0B2340;
  --navy-800: #0F2C4E;
  --navy-700: #14335A;
  --navy-500: #2C5079;
  --navy-300: #6E8CAA;
  --navy-100: #E9EFF6;
  --navy-050: #F5F8FB;
  --white: #FFFFFF;
  --ink: #1A2733;
  --border: #D7E0EA;
  --amber: #B8862B; /* acento puntual, tinte tierra sobre azul — solo detalles pequeños */

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, Segoe UI, sans-serif;

  --max-width: 1180px;
  --radius: 4px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 var(--space-2);
  color: var(--navy-900);
}

h1 { font-size: clamp(2.1rem, 4vw, 3.2rem); font-weight: 500; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 var(--space-2); max-width: 62ch; }

.section {
  padding: var(--space-6) 0;
}

.section--tight { padding: var(--space-5) 0; }

.section--navy {
  background: var(--navy-900);
  color: var(--navy-100);
}
.section--navy h1, .section--navy h2, .section--navy h3 { color: var(--white); }

.section--muted { background: var(--navy-050); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--navy-500);
  margin-bottom: var(--space-1);
  letter-spacing: 0.01em;
}
.section--navy .eyebrow { color: var(--navy-300); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn--primary {
  background: var(--white);
  color: var(--navy-900);
}
.btn--primary:hover { background: var(--navy-100); }
.btn--outline {
  border-color: rgba(255,255,255,0.4);
  color: var(--white);
  background: transparent;
}
.btn--outline:hover { border-color: var(--white); }
.btn--dark {
  background: var(--navy-900);
  color: var(--white);
}
.btn--dark:hover { background: var(--navy-700); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: inline-flex;
  align-items: center;
  height: 52px;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--navy-900);
  letter-spacing: 0.01em;
}
.logo img { max-height: 46px; width: auto; }
.logo span { color: var(--navy-500); }

.nav {
  display: flex;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav a {
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--navy-700);
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
}
.nav a:hover, .nav a[aria-current="page"] {
  border-bottom-color: var(--navy-700);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-toggle svg { width: 26px; height: 26px; color: var(--navy-900); }

@media (max-width: 780px) {
  .nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    padding: var(--space-2) var(--space-3);
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav li { border-top: 1px solid var(--border); }
  .nav li:first-child { border-top: none; }
  .nav a { display: block; padding: 0.9rem 0; }
  .nav-toggle { display: block; }
}


/* ---------- Hero ---------- */

.hero {
  background-image:
    linear-gradient(
      rgba(0, 0, 0, 0.58),
      rgba(0, 0, 0, 0.58)
    ),
    url("../assets/img/HEAD.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--white);
  padding: var(--space-6) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(
      90deg,
      rgba(255,255,255,0.05) 1px,
      transparent 1px
    );
  background-size: 64px 100%;
  opacity: 0.5;
}

.hero .wrap {
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-5);
  align-items: end;
}

.hero h1 {
  color: #ffffff;
}

.hero p.lead {
  color: #ffffff;
  font-size: 1.1rem;
  max-width: 46ch;
}

.hero .eyebrow {
  color: #ffffff;
}

.hero-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  gap: var(--space-3);
  border-left: 1px solid rgba(255,255,255,0.2);
  padding-left: var(--space-3);
}

.stat .num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--white);
  display: block;
}

.stat .label {
  font-size: 0.85rem;
  color: var(--white);
}

@media (max-width: 780px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    border-left: none;
    padding-left: 0;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: var(--space-3);
  }
}

/* ---------- Cards / grids ---------- */
.grid {
  display: grid;
  gap: var(--space-3);
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) {
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-3);
  background: var(--white);
}
.card h3 { margin-bottom: 0.4rem; }
.card .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--navy-500);
  background: var(--navy-100);
  padding: 0.15rem 0.55rem;
  border-radius: 3px;
  margin-bottom: var(--space-1);
}

/* ---------- Servicios: lista con numeración real (son pasos del proceso) --- */
.process {
  counter-reset: step;
  border-top: 1px solid var(--border);
}
.process-item {
  counter-increment: step;
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border);
}
.process-item::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--navy-300);
}

/* ---------- Catálogo ---------- */
.catalog-toolbar {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border);
}
.catalog-toolbar input[type="search"],
.catalog-toolbar select {
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--white);
  color: var(--ink);
}
.catalog-toolbar input[type="search"] { flex: 1; min-width: 200px; }
.catalog-count { font-size: 0.9rem; color: var(--navy-500); margin-left: auto; }

.product-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  display: flex;
  flex-direction: column;
}
.product-card .thumb {
  aspect-ratio: 4 / 3;
  background: var(--navy-050);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.product-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-card .body { padding: var(--space-3); display: flex; flex-direction: column; gap: 0.4rem; flex: 1; }
.product-card .cat { font-size: 0.75rem; font-weight: 600; color: var(--navy-500); text-transform: uppercase; letter-spacing: 0.03em; }
.product-card h3 { font-size: 1.05rem; margin-bottom: 0; }
.product-card .id-mp {
  font-size: 0.82rem;
  color: var(--navy-700);
  background: var(--navy-100);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  display: inline-block;
  width: fit-content;
}
.product-card .specs {
  font-size: 0.88rem;
  color: var(--navy-500);
  margin: 0;
  flex: 1;
}
.product-card .card-footer {
  margin-top: auto;
  padding-top: 0.5rem;
}
.empty-state {
  text-align: center;
  padding: var(--space-5) 0;
  color: var(--navy-500);
}

/* ---------- Contacto ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border);
}
.contact-list .label { font-weight: 600; color: var(--navy-900); min-width: 130px; }

form.contact-form { display: grid; gap: var(--space-2); }
.contact-form label { font-weight: 600; font-size: 0.9rem; color: var(--navy-900); display: block; margin-bottom: 0.3rem; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.contact-form textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 0.82rem; color: var(--navy-500); }

.map-frame {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  height: 320px;
}
.map-frame iframe { width: 100%; height: 100%; border: 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-900);
  color: var(--navy-100);
  padding: var(--space-5) 0 var(--space-3);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
@media (max-width: 780px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h3 { color: var(--white); font-size: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 0.5rem; }
.site-footer a { text-decoration: none; color: var(--navy-100); }
.site-footer a:hover { color: var(--white); }
.footer-bottom {
  padding-top: var(--space-2);
  font-size: 0.85rem;
  color: var(--navy-300);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-1);
}

/* ---------- Utilities ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--white);
  color: var(--navy-900);
  padding: 0.6rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: var(--space-2); }

:focus-visible {
  outline: 2px solid var(--navy-500);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* ---------- Convenios ---------- */
.download-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

/* ---------- Cards de Convenios ---------- */

.card--link {
  display: block;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card--link:hover {
  transform: translateY(-4px);
}

.card--link:focus-visible {
  outline: 3px solid var(--navy-300);
  outline-offset: 4px;
}

.convenio-image {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: var(--space-3);
}

/* ==========================================================================
   POPUP DE CONFIRMACIÓN DEL FORMULARIO
   ========================================================================== */

.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;

  display: flex;
  align-items: center;
  justify-content: center;

  visibility: hidden;
  opacity: 0;

  transition:
    opacity 0.25s ease,
    visibility 0.25s ease;
}


.contact-modal.is-visible {
  visibility: visible;
  opacity: 1;
}


/* Fondo oscuro */

.contact-modal__overlay {
  position: absolute;
  inset: 0;

  background: rgba(0, 0, 0, 0.65);
}


/* Caja */

.contact-modal__box {
  position: relative;
  z-index: 1;

  width: min(90%, 520px);

  padding: 3rem 2rem 2.5rem;

  background: #ffffff;

  border-radius: 14px;

  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.25);

  text-align: center;

  transform: translateY(15px) scale(0.97);

  transition:
    transform 0.25s ease;
}


.contact-modal.is-visible
.contact-modal__box {
  transform: translateY(0) scale(1);
}


/* Icono */

.contact-modal__icon {
  width: 70px;
  height: 70px;

  margin: 0 auto 1.5rem;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 50%;

  background: var(--navy);

  color: #ffffff;

  font-size: 2rem;
  font-weight: 700;
}


/* Título */

.contact-modal__box h2 {
  margin-top: 0;
  margin-bottom: 1rem;
}


/* Texto */

.contact-modal__box p {
  max-width: 420px;

  margin: 0 auto 1.8rem;

  line-height: 1.6;
}


/* Botón cerrar X */

.contact-modal__close {
  position: absolute;

  top: 12px;
  right: 15px;

  width: 38px;
  height: 38px;

  border: none;
  background: transparent;

  font-size: 2rem;
  line-height: 1;

  cursor: pointer;

  color: var(--navy);
}


.contact-modal__close:hover {
  opacity: 0.65;
}


/* Evita que la página se desplace mientras el popup está abierto */

body.modal-open {
  overflow: hidden;
}


/* Responsive */

@media (max-width: 600px) {

  .contact-modal__box {
    width: calc(100% - 32px);

    padding:
      2.5rem
      1.5rem
      2rem;
  }

  .contact-modal__icon {
    width: 60px;
    height: 60px;

    font-size: 1.7rem;
  }

}