/* =====================================================
   MODELO 1 - PREMIUM NÁUTICO
   CrucerosSingles.com
   Basado en colores del logotipo: Azul #3D4B8C
   ===================================================== */

/* ===== CSS Variables ===== */
:root {
    /* Colores principales - basados en el logotipo */
    --color-primary: #3D4B8C;
    --color-primary-dark: #2D3A6E;
    --color-primary-light: #4D5B9C;
    --color-secondary: #C9A227;
    --color-secondary-light: #D4B84A;
    
    /* Neutros */
    --color-white: #FFFFFF;
    --color-black: #1A1A2E;
    --color-gray-100: #F8F9FC;
    --color-gray-200: #E8EAF0;
    --color-gray-300: #D1D5E0;
    --color-gray-400: #9CA3B8;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    --gradient-gold: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
    --gradient-hero: linear-gradient(180deg, rgba(61,75,140,0.9) 0%, rgba(45,58,110,0.95) 100%);
    
    /* Tipografía */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Espaciado */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(61,75,140,0.05);
    --shadow-md: 0 4px 6px rgba(61,75,140,0.1);
    --shadow-lg: 0 10px 25px rgba(61,75,140,0.15);
    --shadow-xl: 0 20px 40px rgba(61,75,140,0.2);
    
    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Header height */
    --header-height: 80px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-600);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ===== Loader ===== */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

.loader-logo {
    margin-bottom: var(--space-xl);
}

.loader-logo .logo-text {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--color-white);
    font-weight: 700;
}

.loader-logo .logo-highlight {
    color: var(--color-secondary);
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255,255,255,0.2);
    border-top-color: var(--color-secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--color-black);
    line-height: 1.2;
}

.text-gradient {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-light {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.btn-light:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.1rem;
}

.btn-primary-sm, .btn-outline-sm {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.85rem;
}

.btn-primary-sm {
    background: var(--gradient-primary);
    color: var(--color-white);
}

.btn-outline-sm {
    border: 1px solid var(--color-gray-300);
    color: var(--color-gray-600);
}

.btn-outline-sm:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-search {
    background: var(--color-secondary);
    color: var(--color-black);
    padding: var(--space-md) var(--space-xl);
    font-weight: 700;
}

.btn-search:hover {
    background: var(--color-secondary-light);
    transform: translateY(-2px);
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: transparent;
    z-index: 1000;
    transition: var(--transition-normal);
}

.header.scrolled {
    background: rgba(255,255,255,0.98);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.header.scrolled .logo-text {
    color: var(--color-primary);
}

.header.scrolled .nav-link {
    color: var(--color-gray-600);
}

.header.scrolled .nav-link:hover {
    color: var(--color-primary);
}

.header.scrolled .logo-globe {
    color: var(--color-secondary);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    transition: var(--transition-normal);
}

.logo-highlight {
    color: var(--color-secondary);
}

.logo-globe {
    font-size: 1.8rem;
    color: rgba(255,255,255,0.8);
    transition: var(--transition-normal);
}

/* Navigation */
.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255,255,255,0.9);
    padding: var(--space-sm) 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-secondary);
    transition: var(--transition-normal);
}

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

.nav-link i {
    font-size: 0.85rem;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Language Selector */
.lang-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    color: var(--color-white);
    font-size: 0.85rem;
    font-weight: 500;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.header.scrolled .lang-btn {
    color: var(--color-gray-600);
    background: var(--color-gray-100);
}

.lang-btn:hover {
    background: rgba(255,255,255,0.2);
}

.header.scrolled .lang-btn:hover {
    background: var(--color-gray-200);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 150px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-normal);
}

.lang-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(5px);
}

.lang-dropdown li a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: 0.85rem;
    color: var(--color-gray-600);
}

.lang-dropdown li a:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

.lang-dropdown li a img {
    width: 20px;
    height: auto;
    border-radius: 2px;
}

/* Menu Toggle (Mobile) */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition-normal);
}

.header.scrolled .menu-toggle span {
    background: var(--color-primary);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--space-4xl) var(--space-lg);
    max-width: 1000px;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    color: var(--color-white);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--space-xl);
}

.hero-badge i {
    color: var(--color-secondary);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: var(--color-white);
    margin-bottom: var(--space-lg);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255,255,255,0.85);
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
}

/* Hero Search */
.hero-search {
    display: flex;
    align-items: center;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-sm);
    box-shadow: var(--shadow-xl);
    max-width: 900px;
    margin: 0 auto var(--space-3xl);
}

.search-field {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-right: 1px solid var(--color-gray-200);
}

.search-field:last-of-type {
    border-right: none;
}

.search-field i {
    color: var(--color-primary);
    font-size: 1.1rem;
}

.search-field select,
.search-field input {
    border: none;
    background: none;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-gray-600);
    width: 100%;
    cursor: pointer;
}

.search-field select:focus,
.search-field input:focus {
    outline: none;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-white);
}

.stat-number::after {
    content: '+';
    font-size: 1.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255,255,255,0.7);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

/* ===== Sections Common ===== */
.section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-header.light {
    color: var(--color-white);
}

.section-header.light .section-title {
    color: var(--color-white);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-gray-100);
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.section-header.light .section-badge {
    background: rgba(255,255,255,0.15);
    color: var(--color-white);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray-500);
}

.section-header.light .section-subtitle {
    color: rgba(255,255,255,0.8);
}

.section-cta {
    text-align: center;
    margin-top: var(--space-3xl);
}

/* ===== Cruises Section ===== */
.cruises {
    background: var(--color-gray-100);
}

.cruises-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.cruise-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.cruise-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.cruise-card.featured {
    border: 2px solid var(--color-secondary);
}

.cruise-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.cruise-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.cruise-card:hover .cruise-image img {
    transform: scale(1.1);
}

.cruise-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    background: #EF4444;
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.cruise-badge.featured-badge {
    background: var(--color-secondary);
    color: var(--color-black);
}

.cruise-badge.new-badge {
    background: #10B981;
}

.cruise-price {
    position: absolute;
    bottom: var(--space-md);
    right: var(--space-md);
    background: var(--color-white);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.price-from {
    display: block;
    font-size: 0.7rem;
    color: var(--color-gray-500);
}

.price-amount {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.cruise-content {
    padding: var(--space-lg);
}

.cruise-meta {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-sm);
    font-size: 0.8rem;
    color: var(--color-gray-500);
}

.cruise-meta i {
    margin-right: var(--space-xs);
    color: var(--color-primary);
}

.cruise-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    color: var(--color-black);
}

.cruise-route {
    font-size: 0.85rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-md);
}

.cruise-route i {
    color: var(--color-secondary);
    margin-right: var(--space-xs);
}

.cruise-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    font-size: 0.8rem;
    color: var(--color-gray-600);
}

.cruise-features i {
    color: var(--color-primary);
    margin-right: var(--space-xs);
}

.cruise-actions {
    display: flex;
    gap: var(--space-sm);
}

.cruise-actions .btn {
    flex: 1;
}

/* ===== How It Works ===== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.step-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.step-icon {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-icon i {
    font-size: 1.75rem;
    color: var(--color-white);
}

.step-number {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 30px;
    height: 30px;
    background: var(--color-secondary);
    color: var(--color-black);
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.step-desc {
    font-size: 0.9rem;
    color: var(--color-gray-500);
    line-height: 1.6;
}

/* ===== Destinations Section ===== */
.destinations-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 200px);
    gap: var(--space-lg);
}

.destination-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.destination-card.large {
    grid-row: span 2;
}

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

.destination-card:hover img {
    transform: scale(1.1);
}

.destination-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-lg);
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: var(--color-white);
}

.destination-count {
    font-size: 0.8rem;
    opacity: 0.8;
}

.destination-name {
    font-size: 1.25rem;
    font-family: var(--font-display);
    margin: var(--space-xs) 0;
}

.destination-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0;
    transform: translateX(-10px);
    transition: var(--transition-normal);
}

.destination-card:hover .destination-cta {
    opacity: 1;
    transform: translateX(0);
}

/* ===== Community Section ===== */
.community {
    position: relative;
    padding: var(--space-4xl) 0;
}

.community-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.community-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.community-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
}

.community-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.community-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    margin: var(--space-3xl) 0;
}

.comm-feature {
    padding: var(--space-xl);
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    transition: var(--transition-normal);
}

.comm-feature:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-5px);
}

.comm-feature i {
    font-size: 2rem;
    color: var(--color-secondary);
    margin-bottom: var(--space-md);
}

.comm-feature h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
    color: var(--color-white);
}

.comm-feature p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ===== Testimonials Section ===== */
.testimonials {
    background: var(--color-gray-100);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.testimonial-card {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.testimonial-rating {
    color: var(--color-secondary);
    margin-bottom: var(--space-md);
}

.testimonial-rating i {
    font-size: 0.9rem;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-author strong {
    display: block;
    color: var(--color-black);
    font-size: 0.95rem;
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--color-gray-500);
}

/* ===== Newsletter Section ===== */
.newsletter {
    padding: var(--space-3xl) 0;
}

.newsletter-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3xl);
    background: var(--gradient-primary);
    padding: var(--space-3xl);
    border-radius: var(--radius-xl);
    color: var(--color-white);
}

.newsletter-content {
    flex: 1;
}

.newsletter-icon {
    font-size: 3rem;
    color: var(--color-secondary);
    margin-bottom: var(--space-md);
}

.newsletter-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    margin-bottom: var(--space-sm);
}

.newsletter-text {
    opacity: 0.85;
}

.newsletter-form {
    display: flex;
    gap: var(--space-md);
    flex: 1;
    max-width: 500px;
}

.form-group {
    position: relative;
    flex: 1;
}

.form-group input {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-body);
    font-size: 1rem;
    border: none;
    border-radius: var(--radius-full);
    background: var(--color-white);
}

.form-group input:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-secondary);
}

.form-group label {
    position: absolute;
    left: var(--space-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-500);
    pointer-events: none;
    transition: var(--transition-normal);
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label {
    top: -10px;
    font-size: 0.75rem;
    color: var(--color-secondary);
    background: var(--color-primary);
    padding: 0 var(--space-sm);
    border-radius: var(--radius-sm);
}

/* ===== Footer ===== */
.footer {
    background: var(--color-black);
    color: var(--color-gray-400);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: var(--space-3xl);
    padding-bottom: var(--space-3xl);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo-text {
    font-size: 1.5rem;
    color: var(--color-white);
}

.footer-desc {
    margin: var(--space-lg) 0;
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: var(--color-white);
    transition: var(--transition-normal);
}

.footer-social a:hover {
    background: var(--color-secondary);
    color: var(--color-black);
}

.footer-links h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: var(--space-lg);
}

.footer-links ul li {
    margin-bottom: var(--space-sm);
}

.footer-links ul a {
    font-size: 0.9rem;
    color: var(--color-gray-400);
}

.footer-links ul a:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-xl);
    font-size: 0.85rem;
}

.footer-payments {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 1.5rem;
}

.bizum-icon {
    font-size: 0.9rem;
    padding: var(--space-xs) var(--space-sm);
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 100;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-secondary);
    color: var(--color-black);
    transform: translateY(-5px);
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
    .cruises-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .community-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-brand {
        grid-column: span 3;
    }
}

@media (max-width: 992px) {
    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--color-white);
        padding: var(--space-xl);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .nav-link {
        color: var(--color-gray-600);
        padding: var(--space-md);
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .header-actions .btn-outline,
    .header-actions .btn-primary {
        display: none;
    }
    
    .hero-search {
        flex-direction: column;
    }
    
    .search-field {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--color-gray-200);
    }
    
    .search-field:last-of-type {
        border-bottom: none;
    }
    
    .destinations-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: auto;
    }
    
    .destination-card.large {
        grid-row: span 1;
    }
    
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
    
    .newsletter-card {
        flex-direction: column;
        text-align: center;
    }
    
    .newsletter-form {
        flex-direction: column;
        width: 100%;
        max-width: none;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-xl);
    }
    
    .cruises-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .community-features {
        grid-template-columns: 1fr;
    }
    
    .destinations-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        grid-column: span 1;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .btn-large {
        padding: var(--space-md) var(--space-xl);
        font-size: 1rem;
    }
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

/* Reveal on scroll animation classes */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}