/* ==========================================================================
   TRS TRANSPORT SERVICE - STYLESHEET   
   ========================================================================== */

@import url('variables.css');

/* --- RESET Y NORMALIZACIÓN --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  font-size: var(--type-body-size);
  line-height: var(--type-body-lh);
  color: var(--theme-text-primary);
  background-color: var(--theme-bg-base);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

/* Enlaces y botones por defecto */
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* --- UTILIDADES DE CONTENEDOR Y LAYOUT --- */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-24);
  padding-right: var(--space-24);
}

@media (max-width: 576px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

.section-padding {
  padding-top: var(--space-64);
  padding-bottom: var(--space-64);
}

.text-center {
  text-align: center !important;
}

@media (min-width: 992px) {
  .section-padding {
    padding-top: var(--space-80);
    padding-bottom: var(--space-80);
  }
}

/* --- JERARQUÍA TIPOGRÁFICA SEGÚN DOCUMENTACIÓN --- */
.display-title {
  font-size: var(--type-display-size);
  line-height: var(--type-display-lh);
  font-weight: var(--type-display-weight);
  letter-spacing: -0.02em;
  color: var(--theme-text-primary);
}

.title-large {
  font-size: var(--type-title-large-size);
  line-height: var(--type-title-large-lh);
  font-weight: var(--type-title-large-weight);
  letter-spacing: -0.01em;
  color: var(--theme-text-primary);
}

.title-section {
  font-size: var(--type-title-size);
  line-height: var(--type-title-lh);
  font-weight: var(--type-title-weight);
  color: var(--theme-text-primary);
}

.subtitle-text {
  font-size: var(--type-subtitle-size);
  line-height: var(--type-subtitle-lh);
  font-weight: var(--type-subtitle-weight);
  color: var(--theme-text-primary);
}

.body-large {
  font-size: var(--type-body-large-size);
  line-height: var(--type-body-large-lh);
}

.body-strong {
  font-size: var(--type-body-strong-size);
  line-height: var(--type-body-strong-lh);
  font-weight: var(--type-body-strong-weight);
}

.caption-text {
  font-size: var(--type-caption-size);
  line-height: var(--type-caption-lh);
  color: var(--theme-text-tertiary);
}

.text-brand {
  color: var(--trs-brand);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto var(--space-48) auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  width: fit-content;
  max-width: fit-content;
  gap: var(--space-8);
  font-size: var(--type-caption-size);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--theme-tag-color);
  background: var(--theme-tag-bg);
  border: 1px solid var(--theme-tag-border);
  padding: var(--space-4) var(--space-12);
  border-radius: var(--radius-control);
  margin-bottom: var(--space-12);
}

.section-header .section-tag {
  align-self: center;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  margin-bottom: var(--space-12);
  color: var(--theme-text-primary);
}

.section-header p {
  color: var(--theme-text-secondary);
  font-size: var(--type-body-large-size);
  line-height: var(--type-body-large-lh);
}

/* --- BOTONES Y CONTROLES (ControlCornerRadius: 4px) --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: 10px var(--space-20);
  font-size: var(--type-body-strong-size);
  font-weight: 600;
  border-radius: var(--radius-control);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
  box-shadow: none !important;
}

.btn:hover,
.btn:active,
.btn:focus {
  transform: none !important;
  box-shadow: none !important;
}

.btn-primary {
  background-color: var(--trs-brand);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--trs-brand-hover);
  color: #ffffff;
}

.btn-primary:active {
  background-color: var(--trs-brand-active);
  color: #ffffff;
}

.btn-secondary {
  background-color: var(--theme-bg-surface);
  color: var(--theme-text-primary);
  border-color: var(--theme-border);
}

.btn-secondary:hover {
  background-color: var(--theme-bg-elevated);
  border-color: var(--trs-brand);
  color: var(--trs-brand);
}

.btn-outline {
  background: transparent;
  color: var(--theme-text-primary);
  border-color: var(--theme-border);
}

.btn-outline:hover {
  border-color: var(--trs-brand);
  color: var(--trs-brand);
  background: var(--theme-tag-bg);
}

.btn-sm {
  padding: 6px var(--space-12);
  font-size: var(--type-caption-size);
}

.btn-lg {
  padding: 14px var(--space-24);
  font-size: var(--type-body-large-size);
}

.btn-whatsapp {
  background-color: #25d366;
  color: #ffffff;
  box-shadow: none !important;
}

.btn-whatsapp:hover {
  background-color: #20ba59;
  box-shadow: none !important;
  transform: none !important;
}

/* --- TOP BAR DE CONTACTO RÁPIDO --- */
.top-bar {
  background-color: var(--theme-topbar-bg);
  border-bottom: 1px solid var(--theme-border);
  padding: 8px 0;
  font-size: var(--type-caption-size);
  color: var(--theme-text-tertiary);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.top-bar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-20);
  min-height: 34px;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: var(--space-20);
  flex-wrap: nowrap;
}

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--theme-text-secondary);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
}

.top-bar-item a {
  color: var(--theme-text-secondary);
  transition: color var(--transition-fast);
}

.top-bar-item a:hover {
  color: var(--trs-brand);
}

.top-bar-item svg {
  width: 15px;
  height: 15px;
  color: var(--trs-brand);
  flex-shrink: 0;
}

.top-bar-right .top-bar-item {
  font-weight: 600;
  font-size: 13.5px;
}

.top-bar .btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  width: auto;
  padding: 6px 14px;
  font-size: 12.5px;
  font-weight: 700;
  border-radius: var(--radius-control);
  line-height: 1.25;
  white-space: nowrap;
  background-color: #25d366;
  color: #ffffff !important;
  text-decoration: none;
  transition: background-color var(--transition-fast);
  box-shadow: none !important;
}

.top-bar .btn-whatsapp svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  fill: currentColor;
}

.top-bar .btn-whatsapp:hover {
  background-color: #20ba59;
  box-shadow: none !important;
  transform: none !important;
}

/* --- HEADER PRINCIPAL / NAVBAR --- */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--theme-bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--theme-border);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.main-header.scrolled {
  border-bottom-color: var(--theme-border-strong);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.brand-logo:hover {
  opacity: 0.92;
  transform: none;
}

.brand-logo img {
  height: 56px;
  width: auto;
  object-fit: contain;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--space-24);
}

.nav-link {
  font-size: var(--type-body-strong-size);
  font-weight: 600;
  color: var(--theme-text-secondary);
  padding: var(--space-8) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--trs-brand);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--trs-brand);
  transition: width var(--transition-fast);
  border-radius: var(--radius-control);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-12);
}

/* --- BOTÓN SELECTOR DE TEMA CLARO / OSCURO (PROPUESTA B) --- */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--theme-bg-surface);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-control);
  color: var(--theme-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
  position: relative;
}

.theme-toggle-btn:hover {
  border-color: var(--trs-brand);
  color: var(--trs-brand);
  background-color: var(--theme-bg-elevated);
}

.theme-toggle-btn .theme-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-normal);
}

/* Iconos de tema según estado */
:root .theme-toggle-btn .icon-sun {
  display: block;
}
:root .theme-toggle-btn .icon-moon {
  display: none;
}

[data-theme="light"] .theme-toggle-btn .icon-sun {
  display: none;
}
[data-theme="light"] .theme-toggle-btn .icon-moon {
  display: block;
}

/* --- SELECTOR DE IDIOMA EN HEADER (ES / EN) --- */
.lang-switch {
  display: inline-flex;
  align-items: center;
  background-color: var(--theme-bg-surface);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-overlay); /* 8px pill */
  padding: 3px;
  gap: 3px;
  height: 38px;
  box-sizing: border-box;
  box-shadow: none;
  flex-shrink: 0;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 0 10px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--theme-text-secondary);
  text-decoration: none;
  border-radius: 5px;
  transition: all var(--transition-fast);
  line-height: 1;
  user-select: none;
}

.lang-btn:hover {
  color: var(--theme-text-primary);
  background-color: var(--theme-bg-elevated);
}

.lang-btn.active {
  background-color: var(--trs-brand);
  color: #0b151e;
  font-weight: 800;
  box-shadow: none;
}

[data-theme="light"] .lang-btn.active {
  background-color: var(--trs-brand);
  color: #ffffff;
}

.lang-separator {
  display: none;
}

/* Botón Hamburguesa Móvil */
.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-control);
  padding: var(--space-8);
  cursor: pointer;
  color: var(--theme-text-primary);
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
  display: block;
}

/* --- HERO: foto de fondo con degradado, texto claro y franja de datos --- */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: clamp(600px, 88vh, 780px);
  background-color: var(--hero-bg);
  color: var(--hero-text);
  overflow: hidden;
}

.hero-photo {
  position: absolute;
  inset: 0;
}

.hero-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 75% 45%;
}

/* degradado: oscuro a la izquierda para leer el texto, la foto se ve a la derecha */
.hero-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--hero-overlay-x), var(--hero-overlay-y);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex: 1;
  align-items: center;
  padding-top: var(--space-64);
  padding-bottom: var(--space-64);
}

.hero-text {
  width: min(640px, 58%);
}

.hero h1 {
  margin: 0 0 var(--space-24);
  color: var(--hero-text);
  font-size: clamp(36px, 4.6vw, 64px);
  font-weight: 600;
  line-height: 1.08;
  text-shadow: var(--hero-text-shadow);
}

.hero-lead {
  max-width: 52ch;
  margin: 0 0 var(--space-36);
  font-size: var(--type-body-large-size);
  line-height: 1.6;
  color: var(--hero-text-2);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-32);
  flex-wrap: wrap;
}

.hero-actions .btn {
  min-height: 52px;
  padding: 0 var(--space-28);
  gap: var(--space-12);
  font-size: 16px;
  /* en tablet el botón se apila (align-items:stretch) con mucho ancho libre;
     sin tope se ve estirado de punta a punta en vez de un botón normal */
  max-width: 420px;
}

.hero-actions .btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.link-underline {
  color: var(--hero-text);
  font-size: 16px;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--hero-link-line);
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
  transition: text-decoration-color var(--transition-fast);
}

.link-underline:hover {
  text-decoration-color: var(--trs-brand);
}

/* franja de datos pegada al borde inferior del hero */
.hero-stats {
  position: relative;
  z-index: 1;
  background-color: var(--hero-stats-bg);
  border-top: 3px solid var(--trs-brand);
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr 1fr;
  margin-top: 0;
  margin-bottom: 0;
  padding-top: 0;
  padding-bottom: 0;
  list-style: none;
}

.hero-stat {
  padding: var(--space-24) var(--space-24);
  border-left: 1px solid var(--hero-line);
}

.hero-stat:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero-stat strong {
  display: block;
  margin-bottom: var(--space-4);
  color: var(--hero-stat-value);
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 600;
  line-height: 1.2;
}

.hero-stat span {
  font-size: var(--type-body-size);
  color: var(--hero-stat-caption);
}

@keyframes hero-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-text {
    animation: hero-in 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .hero-stats {
    animation: hero-in 0.7s 0.15s cubic-bezier(0.16, 1, 0.3, 1) both;
  }
}

/* escritorio: la foto arranca a la derecha del texto para que el autobús no quede pegado a las letras */
@media (min-width: 992px) {
  .hero-photo {
    left: 26%;
  }
}

@media (max-width: 991px) {
  .hero {
    min-height: 560px;
  }

  /* el texto ocupa todo el ancho aquí, así que la foto queda de fondo con una capa
     uniforme (en vez del degradado lateral de escritorio) para que se siga leyendo */
  .hero-photo::after {
    background: color-mix(in srgb, var(--hero-bg) 78%, transparent);
  }

  .hero-content {
    padding-top: var(--space-48);
    padding-bottom: var(--space-48);
  }

  .hero-text {
    width: 100%;
  }

  .hero-lead {
    margin-bottom: var(--space-32);
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-20);
    text-align: center;
  }

  .hero-stats-grid {
    grid-template-columns: 1fr;
  }

  .hero-stat,
  .hero-stat:first-child {
    padding: var(--space-16) 0;
    border-left: 0;
    border-bottom: 1px solid var(--hero-line);
  }

  .hero-stat:last-child {
    border-bottom: 0;
  }
}

/* --- SECCIÓN DE FLOTILLA (VEHÍCULOS) --- */
.fleet-section {
  background-color: var(--theme-bg-base);
  border-bottom: 1px solid var(--theme-border);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

/* Flota: mosaico con nombre y sector sobre la foto */
.fleet-header,
.services-header {
  text-align: left;
  margin-left: 0;
  margin-bottom: var(--space-48);
  max-width: 680px;
}

.fleet-mosaic {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-16);
}

.fleet-tile {
  position: relative;
  min-height: 300px;
  overflow: hidden;
  border-radius: var(--radius-control);
  background-color: #141414;
  color: #ffffff;
}

.fleet-tile img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.fleet-tile::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(14, 14, 14, 0.92) 0%, rgba(14, 14, 14, 0.5) 50%, rgba(14, 14, 14, 0) 80%);
  pointer-events: none;
}

.fleet-tile.fleet-ram img {
  object-position: 40% 50%;
}

.fleet-tile.fleet-left img {
  object-position: 25% 50%;
}

.fleet-tile.fleet-portrait img {
  object-position: 50% 48%;
}

.fleet-tile-text {
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: 0;
  left: 0;
  padding: var(--space-20);
}

.fleet-tile h3 {
  margin: 0 0 var(--space-4);
  font-size: var(--type-subtitle-size);
  line-height: var(--type-subtitle-lh);
  font-weight: var(--type-subtitle-weight);
  color: #ffffff;
}

.fleet-tile-sector {
  margin: 0;
  font-size: var(--type-body-size);
  font-weight: 600;
  color: var(--trs-brand);
}

@media (min-width: 640px) {
  .fleet-mosaic {
    grid-template-columns: repeat(2, 1fr);
  }

  .fleet-tile-big {
    grid-column: span 2;
    min-height: 380px;
  }
}

@media (min-width: 992px) {
  .fleet-mosaic {
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: 260px;
  }

  .fleet-tile {
    grid-column: span 3;
    min-height: 0;
  }

  .fleet-tile-big {
    grid-column: span 8;
    grid-row: span 2;
  }

  .fleet-tile-mid {
    grid-column: span 4;
  }
}

/* con mouse: la foto hace un leve zoom al pasar el cursor */
@media (min-width: 992px) and (hover: hover) {
  .fleet-tile:hover img {
    transform: scale(1.05);
  }
}

@media (prefers-reduced-motion: reduce) {
  .fleet-tile img {
    transition: none;
  }
}

/* --- CONFORT Y SEGURIDAD: foto de fondo con el degradado del hero --- */
.comfort-banner {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 520px;
  overflow: hidden;
  background-color: var(--hero-bg);
  color: var(--hero-text);
  border-bottom: 1px solid var(--theme-border);
}

.comfort-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 42%;
}

.comfort-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--hero-overlay-x), var(--hero-overlay-y);
  pointer-events: none;
}

.comfort-body {
  position: relative;
  z-index: 1;
  width: 100%;
}

.comfort-text {
  width: min(640px, 100%);
}

.comfort-banner .title-large {
  margin: 0 0 var(--space-12);
  color: var(--hero-text);
  text-shadow: var(--hero-text-shadow);
}

.comfort-lead {
  margin: 0 0 var(--space-24);
  max-width: 560px;
  font-size: var(--type-body-large-size);
  line-height: 1.6;
  color: var(--hero-text-2);
}

.comfort-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 var(--space-32);
  margin: 0;
  padding: 0;
  list-style: none;
}

.comfort-grid li {
  padding: var(--space-14) 0;
  border-top: 1px solid var(--hero-line);
  font-size: var(--type-body-large-size);
  font-weight: 600;
  color: var(--hero-text);
}

.comfort-note {
  display: block;
  margin-top: 2px;
  font-size: var(--type-body-size);
  font-weight: 400;
  color: var(--hero-stat-caption);
}

@media (min-width: 640px) {
  .comfort-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* en pantallas angostas el texto ocupa todo el ancho: capa uniforme para que se lea sobre la foto */
@media (max-width: 991px) {
  .comfort-banner::after {
    background: color-mix(in srgb, var(--hero-bg) 80%, transparent);
  }
}

/* --- SECCIÓN DE SERVICIOS: tres columnas abiertas --- */
.services-section {
  background-color: var(--theme-bg-base);
  border-bottom: 1px solid var(--theme-border);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.services-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-48);
}

.services-col h3 {
  margin: 0 0 var(--space-8);
  padding-top: var(--space-16);
  border-top: 3px solid var(--trs-brand);
  font-size: var(--type-title-size);
  line-height: var(--type-title-lh);
  font-weight: var(--type-title-weight);
  color: var(--theme-text-primary);
}

.services-col ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.services-col li {
  padding: var(--space-16) 0;
  border-bottom: 1px solid var(--theme-border);
  font-size: var(--type-body-large-size);
  font-weight: 600;
  color: var(--theme-text-primary);
}

.services-col li:last-child {
  border-bottom: 0;
}

.service-note {
  display: block;
  margin-top: 2px;
  font-size: var(--type-body-size);
  font-weight: 400;
  color: var(--theme-text-tertiary);
}

.services-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-24);
  flex-wrap: wrap;
  margin-top: var(--space-48);
  padding-top: var(--space-32);
  border-top: 1px solid var(--theme-border);
}

.services-cta p {
  margin: 0;
  font-size: var(--type-subtitle-size);
  line-height: var(--type-subtitle-lh);
  font-weight: var(--type-subtitle-weight);
  color: var(--theme-text-primary);
}

.services-cta .btn {
  min-height: 52px;
  padding: 0 var(--space-28);
  gap: var(--space-12);
  font-size: 16px;
}

.services-cta .btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

@media (min-width: 992px) {
  .services-cols {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
  }

  .services-col {
    padding: 0 var(--space-32);
    border-left: 1px solid var(--theme-border);
  }

  .services-col:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .services-col:last-child {
    padding-right: 0;
  }
}

@media (max-width: 575px) {
  .services-cta .btn {
    width: 100%;
  }
}

/* --- NOSOTROS: foto de fondo con texto directo --- */
.about-section {
  position: relative;
  overflow: hidden;
  background-color: var(--hero-bg);
  color: var(--hero-text);
  border-bottom: 1px solid var(--theme-border);
}

.about-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 40%;
}

.about-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--theme-about-overlay);
  pointer-events: none;
}

.about-body {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-48);
}

.about-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-32);
}

.about-section .title-large {
  margin: 0 0 var(--space-24);
  color: var(--hero-text);
}

.about-facts {
  margin: 0;
}

.about-facts > div {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: var(--space-16);
  padding: var(--space-12) 0;
  border-top: 1px solid var(--hero-line);
}

.about-facts > div:last-child {
  border-bottom: 1px solid var(--hero-line);
}

.about-facts dt {
  font-size: var(--type-body-size);
  color: var(--hero-stat-caption);
}

.about-facts dd {
  margin: 0;
  font-size: var(--type-body-large-size);
  font-weight: 600;
  color: var(--hero-text);
}

.about-story p {
  margin: 0 0 var(--space-16);
  font-size: var(--type-subtitle-size);
  line-height: 1.5;
  color: var(--hero-text-2);
}

.about-story p:first-child {
  color: var(--hero-text);
}

.about-story strong {
  font-weight: 600;
}

.about-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-32);
  padding-top: var(--space-32);
  border-top: 1px solid var(--hero-line);
}

.about-cols h3 {
  margin: 0 0 var(--space-12);
  font-size: var(--type-title-size);
  line-height: var(--type-title-lh);
  font-weight: var(--type-title-weight);
  color: var(--hero-text);
}

.about-cols p {
  margin: 0;
  font-size: var(--type-body-large-size);
  line-height: 1.6;
  color: var(--hero-text-2);
}

.about-cols ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-cols li {
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--hero-line);
  font-size: var(--type-body-large-size);
  font-weight: 600;
  color: var(--hero-text);
}

.about-cols li:last-child {
  border-bottom: 0;
}

@media (min-width: 992px) {
  .about-top {
    grid-template-columns: 5fr 7fr;
    gap: var(--space-64);
  }

  .about-cols {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-48);
  }
}

@media (max-width: 991px) {
  /* en móvil el contenido (historia + Misión/Visión/Valores apiladas) es mucho más alto
     que la foto; si la foto cubre todo ese alto, object-fit:cover la deja casi irreconocible.
     Se limita su alto y el resto de la sección queda en el color de fondo liso. */
  .about-photo {
    height: 640px;
  }
}

/* --- CLIENTES: cifra grande y muro de logos --- */
.clients-section {
  background-color: var(--theme-bg-base);
  border-bottom: 1px solid var(--theme-border);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.clients-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-48);
  align-items: start;
}

.clients-title {
  margin: 0 0 var(--space-16);
  font-size: var(--type-title-size);
  line-height: var(--type-title-lh);
  font-weight: var(--type-title-weight);
  color: var(--theme-text-primary);
}

.clients-number {
  margin: 0;
  font-size: clamp(72px, 10vw, 128px);
  line-height: 1;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--trs-brand);
}

.clients-caption {
  margin: var(--space-8) 0 var(--space-16);
  font-size: var(--type-subtitle-size);
  line-height: var(--type-subtitle-lh);
  font-weight: 600;
  color: var(--theme-text-primary);
}

.clients-lead {
  margin: 0;
  max-width: 44ch;
  font-size: var(--type-body-large-size);
  line-height: 1.5;
  color: var(--theme-text-secondary);
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-items: start; /* evita que una leyenda (client-tile-name) estire los tiles vecinos de su fila */
  gap: var(--space-12);
  margin: 0;
  padding: 0;
  list-style: none;
}

/* los logos van siempre sobre blanco: varios traen fondo blanco propio */
.client-tile {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 96px;
  padding: var(--space-14);
  background-color: #ffffff;
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-control);
}

.client-tile img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* escudos de municipios: la leyenda va fuera del tile, no altera su tamaño */
.client-tile-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.client-tile-name {
  margin: 0;
  font-size: var(--type-caption-size);
  line-height: 1.3;
  text-align: center;
  color: var(--theme-text-tertiary);
}

@media (min-width: 640px) {
  .clients-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 992px) {
  .clients-wrap {
    grid-template-columns: 4fr 8fr;
    gap: var(--space-64);
  }
}

/* --- CONTACTO: formulario que abre WhatsApp, datos y mapa --- */
.contact-section {
  background-color: var(--theme-bg-base);
  border-bottom: 1px solid var(--theme-border);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-48);
  align-items: start;
}

.contact-lead {
  margin: var(--space-8) 0 var(--space-32);
  max-width: 560px;
  font-size: var(--type-body-large-size);
  line-height: 1.5;
  color: var(--theme-text-secondary);
}

.contact-form {
  display: grid;
  gap: var(--space-20);
}

.contact-form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-20);
}

.field {
  display: grid;
  gap: var(--space-6);
}

.field label {
  font-size: var(--type-body-size);
  font-weight: 600;
  color: var(--theme-text-primary);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: var(--space-12) var(--space-14);
  border: 1px solid var(--theme-input-border);
  border-radius: var(--radius-control);
  background-color: var(--theme-input-bg);
  color: var(--theme-input-text);
  font: inherit;
  font-size: 16px;
}

.field textarea {
  min-height: 120px;
  resize: none;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--theme-input-placeholder);
}

.contact-form .btn {
  min-height: 52px;
  padding: 0 var(--space-28);
  gap: var(--space-12);
  font-size: 16px;
}

.contact-form .btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.contact-help {
  margin: 0;
  font-size: var(--type-body-size);
  color: var(--theme-text-tertiary);
}

.contact-rows {
  margin: 0;
}

.contact-rows > div {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: var(--space-16);
  padding: var(--space-16) 0;
  border-top: 1px solid var(--theme-border);
}

.contact-rows > div:last-child {
  border-bottom: 1px solid var(--theme-border);
}

.contact-rows dt {
  font-size: var(--type-body-size);
  color: var(--theme-text-tertiary);
}

.contact-rows dd {
  margin: 0;
  font-size: var(--type-body-large-size);
  font-weight: 600;
  color: var(--theme-text-primary);
  overflow-wrap: anywhere;
}

.contact-rows dd a {
  display: block;
}

.contact-rows dd a:hover {
  color: var(--trs-brand);
}

.contact-rows dd small {
  display: block;
  margin-top: 2px;
  font-size: var(--type-body-size);
  font-weight: 400;
  color: var(--theme-text-tertiary);
}

.contact-map {
  display: block;
  width: 100%;
  height: 280px;
  margin-top: var(--space-24);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-control);
}

.contact-maplink {
  display: inline-block;
  margin-top: var(--space-12);
  font-size: var(--type-body-size);
  font-weight: 600;
  color: var(--theme-tag-color);
}

.contact-maplink:hover {
  text-decoration: underline;
}

@media (min-width: 640px) {
  .contact-form-row {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 992px) {
  .contact-wrap {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-64);
    align-items: stretch; /* el formulario iguala el alto de la columna del mapa */
  }

  .contact-main {
    display: flex;
    flex-direction: column;
  }

  .contact-form {
    flex: 1;
    display: flex;
    flex-direction: column;
  }

  /* el campo "Mensaje" absorbe el espacio sobrante; botón y aviso quedan justo debajo */
  .field-message {
    flex: 1;
    display: flex;
    flex-direction: column;
  }

  .field-message textarea {
    flex: 1;
  }
}

/* --- FOOTER CORPORATIVO --- */
.main-footer {
  background-color: var(--theme-footer-bg);
  border-top: 1px solid var(--theme-footer-border);
  padding-top: var(--space-64);
  padding-bottom: var(--space-24);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-36);
  margin-bottom: var(--space-48);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }
}

.footer-col h3 {
  font-size: var(--type-body-large-strong-size);
  color: var(--theme-text-primary);
  margin-bottom: var(--space-16);
  position: relative;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.footer-links a {
  font-size: var(--type-body-size);
  color: var(--theme-text-tertiary);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--trs-brand);
}

.footer-desc {
  color: var(--theme-text-tertiary);
  font-size: var(--type-body-size);
  margin-bottom: var(--space-16);
  line-height: 1.5;
}


.footer-contact-line {
  color: var(--theme-text-tertiary);
  font-size: var(--type-body-size);
  margin-bottom: var(--space-8);
}

.footer-contact-line a {
  color: var(--theme-text-primary);
}

.footer-contact-line a:hover {
  color: var(--trs-brand);
}

.footer-bottom {
  border-top: 1px solid var(--theme-border);
  padding-top: var(--space-24);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-16);
  font-size: var(--type-caption-size);
  color: var(--theme-text-tertiary);
}

/* --- NOTIFICACIÓN TOAST (INTERACTIVIDAD JS) --- */
.toast-notification {
  position: fixed;
  bottom: var(--space-24);
  right: var(--space-24);
  background-color: var(--theme-bg-surface);
  border: 1px solid var(--trs-brand);
  box-shadow: none;
  border-radius: var(--radius-overlay);
  padding: var(--space-16) var(--space-20);
  display: flex;
  align-items: center;
  gap: var(--space-12);
  color: var(--theme-text-primary);
  z-index: 2000;
  transform: translateY(120%);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.toast-notification.show {
  transform: translateY(0);
  opacity: 1;
}

/* --- RESPONSIVE MOBILE & TABLET DRAWER / HEADER (el menú completo no cabe por debajo de 1120px) --- */
@media (max-width: 1119px) {
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    padding: 0;
  }

  .nav-actions {
    gap: var(--space-8);
  }

  .nav-actions .btn-primary {
    display: none; /* Oculto en navbar superior en tablet/móvil para evitar desbordes */
  }

  .lang-switch {
    height: 36px;
    padding: 2px;
    gap: 2px;
  }

  .lang-btn {
    padding: 0 8px;
    font-size: 0.72rem;
    border-radius: 4px;
  }

  .theme-toggle-btn {
    width: 36px;
    height: 36px;
  }

  .brand-logo img {
    height: 52px;
  }

  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
    background-color: var(--theme-bg-surface);
    border-bottom: 1px solid var(--theme-border);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-8) var(--space-20) var(--space-24);
    gap: 0;
    box-shadow: none;
    /* despliegue corto hacia abajo desde el header, no una salida por fuera de la pantalla */
    transform: translateY(-12px) scale(0.98);
    transform-origin: top center;
    opacity: 0;
    pointer-events: none;
    /* cierre: más rápido que la apertura y con curva de entrada (acelera hacia la salida) */
    transition: transform 0.2s cubic-bezier(0.4, 0, 1, 1), opacity 0.16s ease-in;
  }

  .nav-menu.open {
    transform: translateY(0) scale(1);
    opacity: 1;
    pointer-events: auto;
    transition: transform 0.26s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease-out;
  }

  .nav-menu .nav-link {
    display: block; /* el <a> es inline: sin esto el padding y el borde no ocupan la fila completa */
    width: 100%;
    font-size: var(--type-body-large-size);
    padding: var(--space-12) 0;
    border-bottom: 1px solid var(--theme-border);
  }

  /* la barra de "activo" está pensada para el ancho del texto (nav de escritorio);
     aquí el enlace ocupa toda la fila, así que se apaga y basta con el color */
  .nav-menu .nav-link::after {
    display: none;
  }

  .top-bar {
    display: none;
  }
}

/* Footer del Menú Desplegable Móvil */
.mobile-nav-footer {
  display: none;
}

@media (max-width: 1119px) {
  .mobile-nav-footer {
    display: flex;
    flex-direction: column;
    gap: var(--space-14);
    margin-top: var(--space-8);
    padding-top: var(--space-14);
    border-top: 1px solid var(--theme-border);
    width: 100%;
    list-style: none;
  }

  .mobile-cta-btn {
    width: 100%;
    max-width: 420px;
    text-align: center;
    padding: 12px;
    font-size: 0.95rem;
  }

}

@media (max-width: 480px) {

  .footer-grid {
    gap: var(--space-20);
    margin-bottom: var(--space-24);
  }

  .footer-contact-line,
  .footer-contact-line a {
    word-break: break-word;
    overflow-wrap: anywhere;
  }
}

/* --- ESTILOS DE ACCESIBILIDAD Y FOCO --- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--trs-brand);
  outline-offset: 2px;
}

/* --- ANIMACIONES MODERNAS Y ELEGANTES (SCROLL REVEAL) --- */
.reveal-item {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal-item {
    opacity: 1;
    transform: none;
    transition: none;
  }
}


/* ==========================================================================
   FLOTA POR CATEGORÍA Y HERO CON FOTO DE RUTA
   ========================================================================== */
/* --- fichas de unidades: foto sobre fondo de estudio y el texto debajo; los colores salen del tema --- */
.fleet-tile.unit {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--unit-bg);
  border: 1px solid var(--unit-border);
}

.fleet-tile.unit::after {
  display: none;
}

.fleet-tile.unit img,
.fleet-tile.unit:hover img {
  position: static;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  padding: var(--space-20) var(--space-16) 0;
  object-fit: contain;
  transform: none;
}

.fleet-tile.unit .fleet-tile-text {
  position: static;
  padding: var(--space-8) var(--space-20) var(--space-20);
}

.fleet-tile.unit h3 {
  color: var(--unit-title);
}

.fleet-tile.unit .fleet-tile-sector {
  color: var(--unit-sector);
}

.fleet-tile-meta {
  margin: var(--space-4) 0 0;
  font-size: var(--type-body-size);
  line-height: var(--type-body-lh);
  color: var(--unit-meta);
}

/* --- hero: la foto ocupa el lado derecho y se funde con el fondo oscuro --- */
.hero-unit .hero-photo {
  background-color: var(--hero-bg);
}

.hero-unit .hero-photo img {
  width: 72%;
  max-width: 1100px;
  margin-left: auto;
  object-position: 50% 50%;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 28%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 28%);
}

@media (min-width: 600px) {
  .hero-unit .hero-photo::after {
    background: var(--hero-unit-overlay, var(--hero-overlay-x)), var(--hero-overlay-y);
  }
}

/* móvil: sin foto, el hero es solo texto, botones y datos */
@media (max-width: 599px) {
  .hero-unit {
    min-height: 0;
  }

  .hero-unit .hero-photo {
    display: none;
  }

  .hero-unit .hero-content {
    flex: none;
    padding-top: var(--space-48);
    padding-bottom: var(--space-32);
  }
}

@media (min-width: 576px) and (max-width: 991px) {
  .hero-unit .hero-stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-unit .hero-stat,
  .hero-unit .hero-stat:first-child {
    padding: var(--space-20) var(--space-16);
    border-bottom: 0;
    border-left: 1px solid var(--hero-line);
  }

  .hero-unit .hero-stat:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

/* --- flota agrupada por categoría --- */
.fleet-group + .fleet-group {
  margin-top: var(--space-64);
}

.fleet-group-head {
  margin-bottom: var(--space-24);
  padding-top: var(--space-16);
  border-top: 3px solid var(--trs-brand);
}

.fleet-group-head h3 {
  font-size: var(--type-title-size);
  line-height: var(--type-title-lh);
  font-weight: var(--type-title-weight);
  color: var(--theme-text-primary);
}

.fleet-group-head p {
  margin-top: var(--space-4);
  font-size: var(--type-body-large-size);
  line-height: var(--type-body-large-lh);
  color: var(--theme-text-secondary);
}

.unit-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-16);
}

.unit-row .fleet-tile {
  grid-column: auto;
}

.fleet-also {
  margin-top: var(--space-16);
  font-size: var(--type-body-size);
  color: var(--theme-text-tertiary);
}

.fleet-aside {
  margin: 0;
  align-self: center;
}

.fleet-aside > div {
  padding: var(--space-16) 0;
  border-top: 1px solid var(--theme-border);
}

.fleet-aside > div:last-child {
  border-bottom: 1px solid var(--theme-border);
}

.fleet-aside dt {
  font-size: var(--type-body-large-size);
  font-weight: 600;
  color: var(--theme-text-primary);
}

.fleet-aside dd {
  margin: var(--space-4) 0 0;
  color: var(--theme-text-secondary);
}

.fleet-aside small {
  display: block;
  margin-top: 2px;
  font-size: var(--type-body-size);
  color: var(--theme-text-tertiary);
}

@media (min-width: 640px) {
  .unit-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .unit-row {
    grid-template-columns: repeat(3, 1fr);
  }

  .fleet-aside {
    grid-column: span 2;
    padding-left: var(--space-32);
  }
}

@media (min-width: 576px) and (max-width: 991px) {
  .hero-unit .hero-actions {
    flex-direction: row;
    align-items: center;
    gap: var(--space-32);
    text-align: left;
  }
}

/* tablet y escritorio angosto: la foto cede espacio para que el texto no se monte sobre el autobús */
@media (min-width: 600px) and (max-width: 1279px) {
  .hero-unit .hero-photo img {
    width: 62%;
  }

  .hero-unit .hero-text {
    width: min(560px, 48%);
  }
}

/* con dos columnas, la última ficha suelta ocupa el ancho completo con la foto a un lado */
@media (min-width: 640px) and (max-width: 991px) {
  .unit-row > .fleet-tile.unit:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
  }

  .unit-row > .fleet-tile.unit:last-child:nth-child(odd) img {
    width: 50%;
    padding-bottom: var(--space-20);
  }

  .unit-row > .fleet-tile.unit:last-child:nth-child(odd) .fleet-tile-text {
    flex: 1;
    padding: var(--space-20);
  }
}

/* controles táctiles de al menos 44px donde el menú es de hamburguesa */
@media (max-width: 1119px) {
  .menu-toggle,
  .theme-toggle-btn {
    width: 44px;
    height: 44px;
  }

  .lang-switch {
    height: 44px;
  }

  .lang-btn {
    position: relative;
    min-width: 38px;
    padding: 0 var(--space-10);
  }

  /* amplía el área táctil del idioma a 44px sin agrandar el botón */
  .lang-btn::after {
    content: '';
    position: absolute;
    inset: -3px;
  }
}

@media (max-width: 575px) {
  .contact-form .btn {
    width: 100%;
  }

  .hero-unit .hero-stat,
  .hero-unit .hero-stat:first-child {
    padding: var(--space-12) 0;
  }
}

@media (min-width: 600px) and (max-width: 991px) {
  .hero-unit .hero-text {
    width: min(560px, 50%);
  }

  .hero-unit .hero-actions {
    flex-wrap: wrap;
    gap: var(--space-16) var(--space-24);
  }

  .hero-unit .hero-photo img {
    width: 60%;
    padding-left: 0;
    padding-right: 0;
  }
}

/* Nosotros en tablet y móvil: la foto es una franja arriba y el texto va completo sobre el fondo liso */
@media (max-width: 991px) {
  .about-section {
    padding-top: 0;
  }

  .about-section::after {
    display: none;
  }

  .about-photo {
    position: relative;
    inset: auto;
    display: block;
    height: clamp(200px, 44vw, 360px);
    object-position: 50% 60%;
  }

  .about-body {
    padding-top: var(--space-48);
  }
}