/* -------------------------------------------------------------
   THREADS TRAVEL DESIGN SYSTEM (VANILLA CSS)
   Paleta:
   - Azul Marino: #00234A (Confianza, Estructura, Fondo Premium)
   - Dorado: #CAA442 (Exclusividad, Acción, Acentos)
   - Blanco Puro: #FFFFFF (Fricción Cero)
   - Negro Noche: #000305 (Legibilidad Máxima)
   - Gris Tenue: #F8F9FA / #ECEFF2 (Bento Grid, Fondos)
------------------------------------------------------------- */

:root {
    --color-primary: #00234A;
    --color-accent: #CAA442;
    --color-accent-hover: #b89333;
    --color-text-dark: #000305;
    --color-bg-light: #FFFFFF;
    --color-bg-secondary: #F8F9FA;
    --color-bg-muted: #ECEFF2;
    --color-border: #D1D8E0;
    
    --font-heading: 'Montserrat', system-ui, -apple-system, sans-serif;
    --font-body: 'Montserrat', system-ui, -apple-system, sans-serif;
    
    --container-width: 1140px;
    --container-narrow: 750px;
    --container-medium: 900px;
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-light);
    color: var(--color-text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow {
    max-width: var(--container-narrow);
}

.container-medium {
    max-width: var(--container-medium);
}

/* Typographical Hierarchy */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.25;
    font-weight: 600;
}

p {
    font-weight: 300;
    font-size: 1.05rem;
}

strong {
    font-weight: 600;
}

/* Buttons & Interactive Elements */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    border-radius: 8px;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
}

.btn-primary {
    background-color: var(--color-accent);
    color: #FFFFFF;
    box-shadow: 0 4px 15px rgba(202, 164, 66, 0.35);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(202, 164, 66, 0.45);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
}

.btn-outline:hover {
    background-color: var(--color-accent);
    color: #FFFFFF;
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
    display: flex;
}

/* Header & Nav */
.header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 24px 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
    letter-spacing: 3px;
    color: #FFFFFF;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
}

.logo-subtext {
    font-family: var(--font-body);
    font-size: 0.65rem;
    margin-top: -3px;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: #FFFFFF;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: var(--transition-smooth);
    opacity: 0.85;
    position: relative;
    padding-bottom: 4px;
}

.nav-link:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: var(--transition-smooth);
}

.nav-link:hover {
    opacity: 1;
}

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

.logo-link {
    text-decoration: none;
    color: inherit;
    display: inline-block;
}

/* HERO SECTION */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    color: #FFFFFF;
    overflow: hidden;
}

.hero-bg-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.02);
    animation: zoom-out 20s ease-out forwards;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 35, 74, 0.4), rgba(0, 35, 74, 0.85));
    z-index: 2;
}

.hero-container {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding-top: 80px;
}

.hero-title {
    font-size: 3.5rem;
    color: #FFFFFF;
    margin-bottom: 24px;
    font-weight: 400;
}

.hero-title .highlight {
    color: var(--color-accent);
    font-family: var(--font-heading);
    font-style: italic;
    font-weight: 400;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 40px;
    font-weight: 300;
    line-height: 1.6;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0.7;
}

.scroll-text {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-arrow {
    animation: bounce 2s infinite;
}

/* BLOQUE DE EMPATÍA */
.empathy-section {
    padding: 100px 0;
    background-color: var(--color-bg-light);
    text-align: center;
}

.gold-divider {
    width: 80px;
    height: 1px;
    background-color: var(--color-accent);
    margin: 0 auto;
}

.empathy-text {
    font-family: var(--font-heading);
    font-style: italic;
    font-size: 1.5rem;
    color: var(--color-primary);
    line-height: 1.7;
    margin: 40px auto;
}

/* PROPUESTA DE VALOR (Bento Grid) */
.value-section {
    padding: 100px 0;
    background-color: var(--color-bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
    display: block;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #556270;
    max-width: 600px;
    margin: 0 auto;
    font-weight: 300;
}

/* Bento Grid Layout */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: minmax(280px, auto);
    gap: 24px;
}

.bento-card {
    background-color: var(--color-bg-light);
    border-radius: 16px;
    padding: 40px;
    border: 1px solid var(--color-border);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    box-shadow: 0 4px 15px rgba(0, 35, 74, 0.02);
}

.bento-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 35, 74, 0.06);
    border-color: rgba(202, 164, 66, 0.3);
}

.bento-card.card-large {
    grid-column: span 2;
}

.card-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(202, 164, 66, 0.1);
    color: var(--color-accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 24px;
    transition: var(--transition-smooth);
}

.bento-card:hover .card-icon {
    background-color: var(--color-accent);
    color: #FFFFFF;
}

.card-content h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.card-intro {
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.card-content p {
    color: #4A5568;
    font-size: 0.95rem;
    font-weight: 300;
}

/* Card with background image (Bento Special) */
.bento-card.card-has-img {
    padding: 0;
    position: relative;
    overflow: hidden;
    color: #FFFFFF;
    min-height: 380px;
}

.card-img-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.bento-card.card-has-img:hover .card-img {
    transform: scale(1.05);
}

.card-img-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 35, 74, 0.9) 15%, rgba(0, 35, 74, 0.3) 100%);
    z-index: 2;
}

.card-content-overlay {
    position: relative;
    z-index: 3;
    padding: 40px;
    margin-top: auto;
}

.card-icon-light {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--color-accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 20px;
    backdrop-filter: blur(5px);
}

.card-content-overlay h3 {
    color: #FFFFFF;
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.card-content-overlay p {
    color: rgba(255, 255, 255, 0.85);
}

/* DETALLES Y PRECIO */
.details-section {
    padding: 100px 0;
    background-color: var(--color-primary);
    color: #FFFFFF;
}

.details-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 60px;
    align-items: start;
}

.section-tag-light {
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
    display: block;
    margin-bottom: 12px;
}

.details-title {
    color: #FFFFFF;
    font-size: 2.5rem;
    margin-bottom: 40px;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 40px;
}

.spec-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.spec-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.5);
}

.spec-value {
    font-size: 1.1rem;
    font-weight: 400;
    color: #FFFFFF;
}

.inclusions-container h3 {
    color: #FFFFFF;
    font-size: 1.25rem;
    margin-bottom: 20px;
}

.inclusions-list, .exclusions-list {
    list-style: none;
    margin-bottom: 32px;
}

.inclusions-list li, .exclusions-list li {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 0.95rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.5;
}

.list-bullet-check {
    color: var(--color-accent);
    font-weight: bold;
}

.list-bullet-cross {
    color: #E53E3E;
    font-weight: bold;
}

.exclusions-title {
    margin-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 32px;
}

/* Booking Card (Right Column) */
.booking-column {
    position: sticky;
    top: 40px;
}

.booking-card {
    background-color: var(--color-bg-light);
    border-radius: 20px;
    color: var(--color-text-dark);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.booking-urgency {
    background-color: #FFF9E6;
    color: #B7791F;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    padding: 12px 24px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.booking-urgency i {
    font-size: 0.85rem;
}

.booking-header {
    background-color: var(--color-bg-secondary);
    padding: 32px 40px 24px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.price-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #718096;
}

.price-value {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 600;
    color: var(--color-primary);
}

.price-value .currency {
    font-size: 1.25rem;
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--color-accent);
}

.booking-body {
    padding: 40px;
}

.booking-warning-text {
    color: #4A5568;
    font-size: 0.9rem;
    margin-bottom: 24px;
    line-height: 1.6;
    border-left: 2px solid var(--color-accent);
    padding-left: 16px;
}

.booking-meta-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.meta-item {
    display: flex;
    gap: 12px;
    font-size: 0.85rem;
    color: #718096;
    line-height: 1.4;
}

.meta-item i {
    color: var(--color-accent);
    font-size: 1rem;
    margin-top: 2px;
}

.booking-action {
    margin-bottom: 20px;
}

.booking-action .btn {
    font-size: 0.825rem;
    padding: 14px 20px;
    gap: 8px;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.btn-pulse {
    animation: subtle-pulse 2s infinite;
}

.booking-footer-note {
    font-size: 0.75rem;
    color: #718096;
    line-height: 1.5;
    text-align: center;
}

/* FAQ SECTION */
.faq-section {
    padding: 100px 0;
    background-color: var(--color-bg-light);
}

.accordion {
    max-width: var(--container-medium);
    margin: 40px auto 0;
}

.accordion-item {
    border-bottom: 1px solid var(--color-border);
}

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    background: none;
    border: none;
    text-align: left;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-primary);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.accordion-header:hover {
    color: var(--color-accent);
}

.accordion-icon {
    font-size: 0.9rem;
    color: var(--color-accent);
    transition: var(--transition-smooth);
}

.accordion-collapse {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.accordion-body {
    padding-bottom: 24px;
}

.accordion-body p {
    color: #4A5568;
    font-size: 0.95rem;
    line-height: 1.6;
    font-weight: 300;
}

/* Footer */
.footer {
    background-color: #001226;
    color: rgba(255, 255, 255, 0.6);
    padding: 60px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand {
    display: flex;
    flex-direction: column;
}

.footer-brand .logo-text {
    font-size: 1.25rem;
    color: #FFFFFF;
}

.footer-brand p {
    font-size: 0.8rem;
    margin-top: 8px;
}

.footer-copy {
    font-size: 0.8rem;
}

/* Animations */
@keyframes zoom-out {
    from {
        transform: scale(1.05);
    }
    to {
        transform: scale(1);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-8px);
    }
    60% {
        transform: translateY(-4px);
    }
}

@keyframes subtle-pulse {
    0% {
        box-shadow: 0 4px 15px rgba(202, 164, 66, 0.35);
    }
    50% {
        box-shadow: 0 4px 25px rgba(202, 164, 66, 0.6);
    }
    100% {
        box-shadow: 0 4px 15px rgba(202, 164, 66, 0.35);
    }
}

.animate-fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fade-in 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-fade-in-delayed {
    opacity: 0;
    transform: translateY(20px);
    animation: fade-in 1s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

.animate-fade-in-delayed-more {
    opacity: 0;
    transform: translateY(20px);
    animation: fade-in 1s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards;
}

@keyframes fade-in {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Web Design (Media Queries) */
@media (max-width: 1024px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .bento-card.card-large {
        grid-column: span 2;
    }
    
    .details-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .booking-column {
        position: static;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 12px 0;
    }
    
    .header-container {
        gap: 12px;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .logo-subtext {
        font-size: 0.55rem;
    }
    
    .header .btn-outline {
        padding: 8px 14px;
        font-size: 0.75rem;
        letter-spacing: 0.5px;
    }

    .nav {
        display: none;
    }
    
    .hero {
        height: auto;
        min-height: 600px;
        padding: 120px 0 80px;
    }
    
    .hero-title {
        font-size: 1.85rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }
    
    .btn {
        padding: 14px 28px;
        font-size: 0.85rem;
    }
    
    .empathy-section {
        padding: 60px 0;
    }
    
    .empathy-text {
        font-size: 1.15rem;
        margin: 24px auto;
    }
    
    .value-section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .bento-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .bento-card {
        padding: 24px;
    }
    
    .bento-card.card-large {
        grid-column: span 1;
    }
    
    .bento-card.card-has-img {
        min-height: 320px;
    }
    
    .card-content-overlay {
        padding: 24px;
    }
    
    .details-section {
        padding: 60px 0;
    }
    
    .details-title {
        font-size: 2rem;
        margin-bottom: 24px;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        padding-bottom: 24px;
        margin-bottom: 24px;
    }
    
    .booking-card .booking-header {
        padding: 24px 20px;
    }
    
    .booking-card .booking-body {
        padding: 24px 20px;
    }
    
    .booking-warning-text {
        padding-left: 12px;
        margin-bottom: 20px;
    }
    
    .booking-action .btn {
        font-size: 0.8rem;
        padding: 12px 16px;
    }
    
    .faq-section {
        padding: 60px 0;
    }
    
    .accordion-header {
        padding: 18px 0;
        font-size: 1.05rem;
    }
    
    .footer-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.55rem;
    }
    
    .header-container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .logo-text {
        font-size: 1rem;
    }
    
    .header .btn-outline {
        padding: 6px 10px;
        font-size: 0.7rem;
    }
    
    .booking-header .price-value {
        font-size: 2.5rem;
    }
    
    .booking-action .btn {
        font-size: 0.75rem;
        padding: 12px 10px;
    }
}

/* Logo image responsive styling */
.logo-img {
    height: 56px;
    width: auto;
    display: block;
    transition: var(--transition-smooth);
}

.logo-img-footer {
    height: 42px;
    width: auto;
    display: block;
    margin-bottom: 12px;
    transition: var(--transition-smooth);
}

@media (max-width: 768px) {
    .logo-img {
        height: 38px;
    }
    .logo-img-footer {
        height: 32px;
    }
}

@media (max-width: 480px) {
    .logo-img {
        height: 32px;
    }
}