/* ============================================
   AeroTica Airlines — Estilos Pantalla
   Programación V — UACA
   Estudiante: Keylor Roman Montero
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  background-color: #f0f4f8;
  color: #222;
}

/* ============================================
   PÁGINA INDEX (intro)
   ============================================ */
.intro-body {
  background-color: #0a1628;
  color: #ffffff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
}

.intro-logo-area {
  margin-bottom: 30px;
}

.intro-logo-area h1 {
  font-size: 36px;
  font-weight: bold;
  color: #e8c84a;
  letter-spacing: 3px;
  margin-bottom: 4px;
}

.intro-logo-area p {
  font-size: 13px;
  color: #aab8cc;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.intro-video-wrapper {
  width: 100%;
  max-width: 700px;
  border: 3px solid #e8c84a;
  margin-bottom: 30px;
}

.intro-video-wrapper iframe {
  width: 100%;
  height: 394px;
  display: block;
  border: none;
}

.intro-subtitle {
  font-size: 15px;
  color: #ccd6e0;
  margin-bottom: 24px;
  max-width: 600px;
  line-height: 1.6;
}

.btn-entrar {
  display: inline-block;
  background-color: #e8c84a;
  color: #0a1628;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  font-weight: bold;
  padding: 14px 40px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  letter-spacing: 1px;
  transition: background-color 0.2s;
}

.btn-entrar:hover {
  background-color: #f0d760;
}

/* ============================================
   LAYOUT PRINCIPAL (3 marcos con CSS)
   ============================================ */
.main-layout {
  display: grid;
  grid-template-areas:
    "header header"
    "sidebar content";
  grid-template-columns: 180px 1fr;
  grid-template-rows: 80px 1fr;
  min-height: 100vh;
  background-color: #f0f4f8;
}

/* HEADER */
.main-header {
  grid-area: header;
  background-color: #0a1628;
  color: #fff;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  border-bottom: 4px solid #e8c84a;
}

.header-logo svg {
  width: 52px;
  height: 52px;
}

.header-text h1 {
  font-size: 22px;
  color: #e8c84a;
  letter-spacing: 2px;
  line-height: 1.1;
}

.header-text p {
  font-size: 11px;
  color: #aab8cc;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* SIDEBAR / MENÚ */
.main-sidebar {
  grid-area: sidebar;
  background-color: #122040;
  padding: 16px 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.menu-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: #1a3260;
  border: 1px solid #2a4a80;
  color: #e0e8f0;
  padding: 10px 6px;
  cursor: pointer;
  text-decoration: none;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 11px;
  text-align: center;
  gap: 6px;
  transition: background-color 0.2s;
}

.menu-btn:hover,
.menu-btn.active {
  background-color: #e8c84a;
  color: #0a1628;
  border-color: #e8c84a;
}

.menu-btn img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.menu-btn span {
  font-weight: bold;
  font-size: 10px;
  text-transform: uppercase;
}

/* CONTENIDO CENTRAL */
.main-content {
  grid-area: content;
  padding: 24px 30px;
  overflow-y: auto;
  background-color: #ffffff;
  min-height: calc(100vh - 80px);
}

/* ============================================
   CONTENIDO GENERAL
   ============================================ */
.page-title {
  font-size: 22px;
  color: #0a1628;
  border-bottom: 3px solid #e8c84a;
  padding-bottom: 8px;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-subtitle {
  font-size: 16px;
  color: #1a3260;
  margin: 16px 0 8px 0;
  font-weight: bold;
}

p.texto {
  line-height: 1.7;
  color: #333;
  margin-bottom: 12px;
}

ul.lista {
  margin-left: 20px;
  margin-bottom: 14px;
  line-height: 1.8;
  color: #333;
}

/* ============================================
   TABLAS
   ============================================ */
table.tabla-datos {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 13px;
}

table.tabla-datos th {
  background-color: #1a3260;
  color: #fff;
  padding: 10px 14px;
  text-align: left;
  font-weight: bold;
}

table.tabla-datos td {
  padding: 9px 14px;
  border-bottom: 1px solid #d0d8e4;
  color: #222;
}

table.tabla-datos tr:nth-child(even) td {
  background-color: #f4f7fb;
}

table.tabla-datos tr:hover td {
  background-color: #e8f0fb;
}

/* Tabla resumen paso 3 */
table.tabla-resumen {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}

table.tabla-resumen th {
  background-color: #1a3260;
  color: #fff;
  padding: 12px 16px;
  text-align: center;
  font-size: 15px;
}

table.tabla-resumen td {
  padding: 10px 16px;
  border-bottom: 1px solid #d0d8e4;
}

table.tabla-resumen td:first-child {
  font-weight: bold;
  color: #1a3260;
  width: 50%;
  background-color: #f4f7fb;
}

table.tabla-resumen .fila-total td {
  background-color: #0a1628;
  color: #e8c84a;
  font-weight: bold;
  font-size: 16px;
}

/* ============================================
   GALERÍA / LIGHTBOX
   ============================================ */
.galeria-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 16px;
}

.galeria-item {
  cursor: pointer;
  border: 2px solid #d0d8e4;
  overflow: hidden;
  transition: border-color 0.2s;
}

.galeria-item:hover {
  border-color: #e8c84a;
}

.galeria-item img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  display: block;
}

.galeria-item .galeria-caption {
  background-color: #1a3260;
  color: #fff;
  padding: 6px 10px;
  font-size: 11px;
  text-align: center;
  font-weight: bold;
}

/* Lightbox */
.lightbox-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.88);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

.lightbox-overlay.activo {
  display: flex;
}

.lightbox-box {
  position: relative;
  max-width: 80vw;
  max-height: 85vh;
  text-align: center;
}

.lightbox-box img {
  max-width: 100%;
  max-height: 75vh;
  display: block;
  margin: 0 auto;
  border: 3px solid #e8c84a;
}

.lightbox-caption {
  color: #e8c84a;
  font-size: 14px;
  margin-top: 10px;
  font-weight: bold;
}

.lightbox-close {
  position: absolute;
  top: -18px;
  right: -18px;
  background-color: #e8c84a;
  color: #0a1628;
  border: none;
  font-size: 20px;
  font-weight: bold;
  width: 32px;
  height: 32px;
  cursor: pointer;
  line-height: 32px;
  text-align: center;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(232,200,74,0.85);
  color: #0a1628;
  border: none;
  font-size: 22px;
  font-weight: bold;
  width: 40px;
  height: 40px;
  cursor: pointer;
  line-height: 40px;
  text-align: center;
}

.lightbox-prev { left: -50px; }
.lightbox-next { right: -50px; }

/* ============================================
   FORMULARIOS
   ============================================ */
.form-section {
  max-width: 680px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-weight: bold;
  color: #1a3260;
  margin-bottom: 5px;
  font-size: 13px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid #b0bed0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  color: #222;
  background-color: #fff;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
  border-color: #1a3260;
}

.form-group .radio-group {
  display: flex;
  gap: 20px;
  margin-top: 4px;
  flex-wrap: wrap;
}

.form-group .radio-group label {
  font-weight: normal;
  color: #333;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.form-group .radio-group input[type="radio"] {
  width: auto;
  margin: 0;
}

/* CAPTCHA */
.captcha-box {
  background-color: #f4f7fb;
  border: 2px solid #1a3260;
  padding: 20px 24px;
  margin: 20px 0;
  max-width: 400px;
}

.captcha-box .captcha-label {
  font-weight: bold;
  color: #1a3260;
  font-size: 13px;
  margin-bottom: 12px;
  display: block;
}

.captcha-pregunta {
  font-size: 22px;
  font-weight: bold;
  color: #0a1628;
  letter-spacing: 4px;
  margin-bottom: 12px;
}

.captcha-box input[type="number"] {
  width: 120px;
  padding: 8px 12px;
  border: 1px solid #b0bed0;
  font-size: 16px;
  text-align: center;
  font-family: Arial, Helvetica, sans-serif;
}

/* RESTRICCIONES */
.restricciones-box {
  background-color: #fff8e8;
  border-left: 4px solid #e8c84a;
  padding: 14px 18px;
  margin: 16px 0;
}

.restricciones-box strong {
  color: #0a1628;
  font-size: 13px;
}

.restricciones-box ul {
  margin-left: 18px;
  margin-top: 8px;
  line-height: 1.8;
  font-size: 13px;
  color: #444;
}

/* PASO INDICADOR */
.paso-indicador {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 24px;
}

.paso-num {
  background-color: #d0d8e4;
  color: #666;
  padding: 8px 16px;
  font-weight: bold;
  font-size: 13px;
}

.paso-num.activo {
  background-color: #1a3260;
  color: #fff;
}

.paso-num.completado {
  background-color: #e8c84a;
  color: #0a1628;
}

.paso-sep {
  width: 24px;
  height: 2px;
  background-color: #b0bed0;
}

/* BOTONES ACCIÓN */
.btn-accion {
  display: inline-block;
  background-color: #1a3260;
  color: #fff;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  font-weight: bold;
  padding: 11px 28px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  letter-spacing: 0.5px;
  margin-top: 8px;
  transition: background-color 0.2s;
}

.btn-accion:hover {
  background-color: #0a1628;
}

.btn-accion.amarillo {
  background-color: #e8c84a;
  color: #0a1628;
}

.btn-accion.amarillo:hover {
  background-color: #d4b030;
}

.error-msg {
  color: #c0392b;
  font-size: 12px;
  margin-top: 4px;
  display: none;
}

.error-msg.visible {
  display: block;
}

.alert-error {
  background-color: #fdecea;
  border: 1px solid #e74c3c;
  color: #c0392b;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 13px;
  display: none;
}

.alert-error.visible {
  display: block;
}

/* Separador */
hr.sep {
  border: none;
  border-top: 2px solid #e8c84a;
  margin: 24px 0;
}

/* Quiénes somos — tarjetas de principios */
.principios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 16px;
}

.principio-card {
  background-color: #f4f7fb;
  border-top: 4px solid #e8c84a;
  padding: 16px;
  text-align: center;
}

.principio-card h3 {
  font-size: 13px;
  color: #0a1628;
  margin-bottom: 8px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.principio-card p {
  font-size: 12px;
  color: #555;
  line-height: 1.6;
}

/* Misión/Visión */
.mision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 16px 0;
}

.mision-card {
  background-color: #1a3260;
  color: #fff;
  padding: 18px;
}

.mision-card h3 {
  color: #e8c84a;
  margin-bottom: 10px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.mision-card p {
  font-size: 13px;
  line-height: 1.7;
  color: #ccd6e0;
}

/* Página de resumen — total destacado */
.total-box {
  background-color: #0a1628;
  color: #e8c84a;
  padding: 20px 24px;
  text-align: center;
  margin: 20px 0;
}

.total-box .total-label {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  color: #aab8cc;
}

.total-box .total-monto {
  font-size: 36px;
  font-weight: bold;
  color: #e8c84a;
}

/* Footer dentro del content */
.content-footer {
  margin-top: 32px;
  padding-top: 12px;
  border-top: 1px solid #d0d8e4;
  font-size: 11px;
  color: #888;
  text-align: center;
}