/* ==========================================================================
   Distribuidora de Agua Potable y Alcantarillado — Hoja de estilos
   ========================================================================== */

:root {
  --azul-900: #062b4e;
  --azul-800: #0a3d6b;
  --azul-700: #0d5188;
  --azul-600: #1372b8;
  --azul-400: #4da3dd;
  --azul-100: #e6f2fb;
  --cian: #12b0c9;
  --gris-900: #1c2430;
  --gris-700: #47536a;
  --gris-500: #7b879b;
  --gris-300: #cbd3de;
  --gris-100: #f4f7fa;
  --blanco: #ffffff;
  --ok: #1a9c5b;
  --radius: 12px;
  --radius-sm: 8px;
  --sombra: 0 4px 18px rgba(6, 43, 78, 0.09);
  --sombra-lg: 0 12px 40px rgba(6, 43, 78, 0.16);
  --font-body: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--gris-900);
  background: var(--blanco);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--azul-700, #0d5188); text-decoration: none; }
a:hover { text-decoration: underline; }

.contenedor {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */
.encabezado {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gris-300);
}

.encabezado-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--azul-900);
  font-size: 1.05rem;
  line-height: 1.2;
}

.logo-marca {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(140deg, var(--azul-600), var(--cian));
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 1.35rem;
  flex: 0 0 auto;
}

.logo small {
  display: block;
  font-size: 0.80rem;
  font-weight: 500;
  color: #5a6780;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--gris-700);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}

.nav a:hover { background: var(--azul-100); color: var(--azul-700); text-decoration: none; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--azul-900);
  padding: 8px;
  cursor: pointer;
  border-radius: var(--radius-sm);
}
.menu-toggle:hover { background: var(--azul-100); }

.btn-wsp {
  background: #25d366;
  color: #fff !important;
  font-weight: 600;
  padding: 9px 16px !important;
  border-radius: 999px;
}
.btn-wsp:hover { background: #1eb457; text-decoration: none !important; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1000px 400px at 85% -10%, rgba(18, 176, 201, 0.35), transparent 60%),
    linear-gradient(160deg, var(--azul-900), var(--azul-700));
  color: #fff;
  padding: 74px 0 66px;
}

.hero-bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
  z-index: 0;
}

.hero .hero-grid { position: relative; z-index: 1; }

@media (max-width: 640px) {
  .hero-bg-video { display: none; }
}

/* ---------- Banda de video ---------- */
.video-banda {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  min-height: 360px;
  display: flex;
  align-items: flex-end;
  background: var(--azul-900);
}

.video-banda video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.video-banda::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 43, 78, 0) 35%, rgba(6, 43, 78, 0.88) 100%);
  z-index: 1;
}

.video-banda-texto {
  position: relative;
  z-index: 2;
  color: #fff;
  padding: 30px;
  max-width: 580px;
}

.video-banda-texto h3 {
  margin: 0 0 8px;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
}

.video-banda-texto p {
  margin: 0;
  color: #e5f0f8;
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .video-banda { min-height: 280px; }
  .video-banda video { display: none; }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 46px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(1.85rem, 4vw, 2.85rem);
  line-height: 1.15;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.hero p.lead {
  font-size: 1.07rem;
  color: #d6e7f5;
  margin: 0 0 26px;
  max-width: 56ch;
}

.etiqueta {
  display: inline-block;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #eaf6ff;
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding: 6px 13px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.hero-botones { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }

.btn-primario { background: var(--cian); color: #04222b; }
.btn-primario:hover { box-shadow: 0 8px 22px rgba(18, 176, 201, 0.4); }

.btn-fantasma { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.45); }
.btn-fantasma:hover { background: rgba(255, 255, 255, 0.1); }

.hero-panel {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  padding: 24px;
}

.hero-panel p.hero-panel-titulo {
  margin: 0 0 14px;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: #a9d6f0;
}

.hero-panel ul { list-style: none; margin: 0; padding: 0; }

.hero-panel li {
  padding: 9px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.94rem;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.hero-panel li:last-child { border-bottom: none; }
.hero-panel li::before { content: "✓"; color: var(--cian); font-weight: 700; }

/* ---------- Secciones ---------- */
.seccion { padding: 66px 0; }
.seccion-alt { background: var(--gris-100); }

.seccion-cabecera { max-width: 720px; margin-bottom: 38px; }

.seccion h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.05rem);
  margin: 0 0 12px;
  color: var(--azul-900);
  letter-spacing: -0.015em;
}

.seccion .subtitulo { color: var(--gris-700); font-size: 1.02rem; margin: 0; }

/* ---------- Tarjetas de categoría ---------- */
.grid-categorias {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  gap: 20px;
}

.tarjeta {
  background: #fff;
  border: 1px solid var(--gris-300);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--sombra);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.tarjeta:hover {
  transform: translateY(-3px);
  box-shadow: var(--sombra-lg);
  border-color: var(--azul-400);
}

.tarjeta-foto {
  margin: -26px -22px 16px;
  height: 170px;
  overflow: hidden;
  border-radius: var(--radius) var(--radius) 0 0;
}

.tarjeta-foto img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tarjeta-icono {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--azul-100);
  color: var(--azul-700);
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  margin-bottom: 14px;
}

.tarjeta h3 { margin: 0 0 8px; font-size: 1.08rem; color: var(--azul-900); }
.tarjeta p { margin: 0 0 12px; color: var(--gris-700); font-size: 0.93rem; }

.fuente-foto {
  display: block;
  font-size: 0.80rem;
  color: #5a6780;
  font-style: italic;
  margin-top: 4px;
}

.tarjeta .marcas {
  font-size: 0.86rem;
  color: #5a6780;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

/* ---------- Bloques de catálogo (acordeón) ---------- */
.catalogo-bloque {
  background: #fff;
  border: 1px solid var(--gris-300);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--sombra);
}

.catalogo-bloque > summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 700;
  color: var(--azul-900);
  font-size: 1.02rem;
  display: flex;
  align-items: center;
  gap: 12px;
  list-style: none;
  user-select: none;
}
.catalogo-bloque > summary::-webkit-details-marker { display: none; }
.catalogo-bloque > summary::after {
  content: "+";
  margin-left: auto;
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--azul-600);
  line-height: 1;
}
.catalogo-bloque[open] > summary::after { content: "−"; }
.catalogo-bloque > summary:hover { background: var(--azul-100); }

.catalogo-cuerpo { padding: 4px 22px 24px; }

.tabla-aviso { display: none; }

.tabla-envoltorio {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  -webkit-overflow-scrolling: touch;
}

/* En pantalla estrecha la tabla se desplaza. Sin una señal visible el usuario
   no lo descubre y cree que el dato está cortado, así que se marca el borde. */
@media (max-width: 900px) {
  .tabla-caja { position: relative; }
  .tabla-caja::after {
    content: "";
    position: absolute;
    top: 0; right: 0; bottom: 0;
    width: 34px;
    pointer-events: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    background: linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,.96) 72%);
  }
  .tabla-aviso {
    display: block;
    margin: 6px 0 0;
    font-size: 0.8rem;
    color: var(--gris-500, #5a6780);
  }
}

table.catalogo {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
  min-width: 520px;
}

table.catalogo th {
  background: var(--azul-800);
  color: #fff;
  text-align: left;
  padding: 10px 12px;
  font-weight: 600;
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

table.catalogo td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--gris-300);
  vertical-align: top;
}

table.catalogo tbody tr:nth-child(even) { background: var(--gris-100); }
table.catalogo tbody tr:hover { background: var(--azul-100); }

.codigo {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 0.90rem;
  color: var(--azul-700);
  font-weight: 600;
  white-space: nowrap;
}

.medidas {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 0.89rem;
  color: var(--gris-700);
  line-height: 1.75;
}

.nota {
  background: var(--azul-100);
  border-left: 4px solid var(--azul-600);
  padding: 13px 17px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--azul-800);
  margin: 16px 0;
}

/* ---------- Franja de confianza ---------- */
.franja {
  background: var(--azul-900);
  color: #fff;
  padding: 40px 0;
}

.franja-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 26px;
  text-align: center;
}

.franja-item strong {
  display: block;
  font-size: 1.7rem;
  color: var(--cian);
  line-height: 1.1;
}

.franja-item span { font-size: 0.92rem; color: #c3dcf0; }

/* ---------- Contacto ---------- */
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px;
  align-items: start;
}

.datos-contacto { list-style: none; padding: 0; margin: 0; }

.datos-contacto li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--gris-300);
  align-items: flex-start;
}

.datos-contacto li:last-child { border-bottom: none; }

.datos-contacto .ico {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  border-radius: 9px;
  background: var(--azul-100);
  color: var(--azul-700);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
}

.datos-contacto b { display: block; color: var(--azul-900); font-size: 0.94rem; }
.datos-contacto span { color: var(--gris-700); font-size: 0.9rem; }

.formulario {
  background: #fff;
  border: 1px solid var(--gris-300);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--sombra);
}

.campo { margin-bottom: 16px; }

.campo label {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--gris-900);
  margin-bottom: 6px;
}

.campo input,
.campo select,
.campo textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--gris-300);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.93rem;
  color: var(--gris-900);
  background: #fff;
}

.campo input:focus,
.campo select:focus,
.campo textarea:focus {
  outline: none;
  border-color: var(--azul-600);
  box-shadow: 0 0 0 3px rgba(19, 114, 184, 0.15);
}

.campo textarea { resize: vertical; min-height: 96px; }

.formulario .btn { width: 100%; }

.aviso-form {
  margin-top: 12px;
  font-size: 0.90rem;
  color: #5a6780;
  text-align: center;
}

/* ---------- Footer ---------- */
.pie {
  background: var(--gris-900);
  color: #aab6c7;
  padding: 44px 0 26px;
  font-size: 0.88rem;
}

.pie-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 30px;
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.pie-titulo { color: #fff; font-size: 0.95rem; font-weight: 700; margin: 0 0 12px; }
.pie ul { list-style: none; margin: 0; padding: 0; }
.pie li { padding: 5px 0; }
.pie a { color: #aab6c7; }
.pie a:hover { color: #fff; }

.pie-final {
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.88rem;
  color: #8b96ab;
}

/* ---------- Botón flotante WhatsApp ---------- */
.wsp-flotante {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 60;
  background: #25d366;
  color: #fff;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  transition: transform 0.15s ease;
}
.wsp-flotante svg { width: 30px; height: 30px; display: block; }
.wsp-flotante:hover { transform: scale(1.07); text-decoration: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .contacto-grid { grid-template-columns: 1fr; }
  .pie-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .menu-toggle { display: block; }
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: #fff;
    padding: 10px 20px 22px;
    border-top: 1px solid var(--gris-300);
    box-shadow: var(--sombra-lg);
  }
  .nav.nav-abierta { display: flex; }
  .nav a { padding: 13px 10px; }
  .nav .btn-wsp { margin-top: 8px; text-align: center; }
  .hero { padding: 52px 0 48px; }
  .seccion { padding: 48px 0; }
  .pie-grid { grid-template-columns: 1fr; }
  .encabezado-inner { padding: 10px 0; }
  .logo { font-size: 0.95rem; }
}

/* ---------- Impresión ---------- */
@media print {
  .encabezado, .wsp-flotante, .hero-botones, .formulario { display: none; }
  .hero { background: none; color: #000; padding: 20px 0; }
  .hero p.lead { color: #333; }
  .catalogo-bloque { break-inside: avoid; }
}


/* ============================================================
   Identidad de marca — sección "Quiénes somos"
   ============================================================ */

/* El manifiesto: la convicción de la marca como gesto tipográfico,
   no como un párrafo más. Es el punto de entrada de la sección. */
.manifiesto {
  margin: 34px 0 40px;
  padding: 38px 40px 40px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--azul-900), var(--azul-700));
  position: relative;
  overflow: hidden;
}
.manifiesto::after {
  content: "";
  position: absolute;
  right: -90px; top: -90px;
  width: 340px; height: 340px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 0 0 46px rgba(255, 255, 255, 0.045),
              0 0 0 92px rgba(255, 255, 255, 0.03);
  pointer-events: none;
}
.manifiesto-rotulo {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cian);
  margin: 0 0 16px;
}
.manifiesto p.frase {
  font-size: clamp(1.65rem, 3.4vw, 2.5rem);
  line-height: 1.18;
  font-weight: 700;
  color: #fff;
  margin: 0;
  max-width: 20ch;
  letter-spacing: -0.015em;
}
.manifiesto p.frase em {
  font-style: normal;
  color: var(--cian);
  display: block;
}
.manifiesto .origen {
  margin: 26px 0 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.65;
  color: #cfe3f3;
  position: relative;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

/* A quién servimos: los seis públicos que la identidad nombra */
.publicos {
  margin-top: 46px;
  border-top: 1px solid var(--gris-300);
  padding-top: 26px;
}
.publicos h3 {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gris-500, #5a6780);
  margin: 0 0 22px;
}
.publicos-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.publico .n {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--azul-600);
  display: block;
  margin-bottom: 8px;
}
.publico b {
  display: block;
  font-size: 1rem;
  color: var(--azul-900);
  line-height: 1.25;
  margin-bottom: 5px;
  /* dos líneas reservadas: un nombre largo no desalinea la fila entera */
  min-height: 2.5em;
}
@media (max-width: 900px) { .publico b { min-height: 0; } }
.publico span {
  font-size: 0.86rem;
  color: var(--gris-700, #47536a);
  line-height: 1.45;
}

@media (max-width: 900px) {
  .publicos-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .manifiesto { padding: 30px 26px 32px; }
}
@media (max-width: 480px) {
  .publicos-grid { grid-template-columns: 1fr; }
}