/* =========================================
   CSS Variables & Design System
   ========================================= */
:root {
    /* Light Theme (Default, Summer, Ocean vibe) */
    --bg-primary: #f8f9fc;
    --bg-secondary: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --accent: #0ea5e9; /* Premium Ocean Blue */
    --accent-hover: #0284c7;
    --accent-light: #e0f2fe;
    --border: #e2e8f0;
    --card-shadow: 0 10px 25px -5px rgba(0,0,0,0.05), 0 8px 10px -6px rgba(0,0,0,0.01);
    --card-shadow-hover: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --nav-bg: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(255, 255, 255, 0.5);
}

body.dark-mode {
    /* Dark Theme (Premium Night) */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --accent: #38bdf8;
    --accent-hover: #7dd3fc;
    --accent-light: #0c4a6e;
    --border: #334155;
    --card-shadow: 0 10px 25px -5px rgba(0,0,0,0.3);
    --card-shadow-hover: 0 20px 40px -5px rgba(0,0,0,0.5);
    --nav-bg: rgba(15, 23, 42, 0.9);
    --glass-border: rgba(255, 255, 255, 0.05);
}

/* =========================================
   Reset & Base Styles
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.4s ease, color 0.4s ease;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--text-primary);
}

/* =========================================
   Navigation
   ========================================= */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container img {
    height: 40px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.logo-container:hover img {
    transform: scale(1.05);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border-radius: 50%;
    transition: background 0.3s ease;
}

.icon-btn:hover {
    background: var(--bg-secondary);
}

/* =========================================
   Buttons
   ========================================= */
.btn-primary {
    background: var(--accent);
    color: white;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 9999px; /* Pill shape */
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(14, 165, 233, 0.4);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.6);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: #000;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: opacity 1.2s ease-in-out;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.4) 100%);
    z-index: 5;
}

.hero-content {
    position: relative;
    z-index: 10;
    padding: 0 2rem;
    color: white;
    max-width: 800px;
}

.hero-content h1 {
    font-size: 4rem;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    text-shadow: 0 4px 20px rgba(0,0,0,0.5);
    letter-spacing: -0.02em;
}

.hero-content .subtitle {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    line-height: 1.4;
    font-family: 'Outfit', sans-serif;
    font-weight: 300;
    opacity: 0.9;
}

.hero-nav {
    position: absolute;
    bottom: 40px;
    display: flex;
    gap: 10px;
    z-index: 10;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: background 0.3s ease, transform 0.3s ease;
}

.hero-dot.active {
    background: white;
    transform: scale(1.3);
}

/* =========================================
   Packages Section
   ========================================= */
.packages-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.category-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover, .filter-btn.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

/* Package Card */
.pkg-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    box-shadow: var(--card-shadow);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.pkg-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent);
}

.pkg-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.pkg-activities {
    list-style: none;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.pkg-activities li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.pkg-activities li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

.pkg-variants {
    margin-bottom: 1.5rem;
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 1rem;
}

.variant-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    border-bottom: 1px dashed var(--border);
    padding-bottom: 0.5rem;
}

.variant-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.variant-time {
    font-weight: 500;
    color: var(--text-primary);
}

.variant-price {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--accent);
    font-size: 1.1rem;
}

.pkg-card .btn-primary {
    width: 100%;
}

/* =========================================
   Footer
   ========================================= */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 180px;
    margin-bottom: 1rem;
    object-fit: contain;
    max-width: 100%;
}

.footer-slogan {
    color: var(--text-secondary);
    font-style: italic;
    font-family: 'Outfit', sans-serif;
}

.footer-contact h3 {
    margin-bottom: 1rem;
}

.footer-contact p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    font-size: 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: transform 0.3s ease, color 0.3s ease;
}

.social-links a:hover {
    transform: scale(1.2);
    color: var(--text-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* =========================================
   Reservation Modal
   ========================================= */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-secondary);
    padding: 3rem;
    border-radius: 24px;
    width: 90%;
    max-width: 500px;
    position: relative;
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s ease;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
    border: 1px solid var(--border);
}

.modal-overlay.active .modal-content {
    transform: translateY(0) scale(1);
}

.close-modal {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.3s ease;
    line-height: 1;
}

.close-modal:hover {
    color: var(--accent);
}

.modal-content h2 {
    margin-bottom: 0.5rem;
}

.modal-sub {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    border-radius: 16px;
    text-decoration: none;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.contact-card.whatsapp:hover {
    border-color: #25D366;
    background: rgba(37, 211, 102, 0.05);
}

.contact-card.email:hover {
    border-color: var(--accent);
    background: var(--accent-light);
}

.svg-icon {
    width: 32px;
    height: 32px;
    fill: currentColor;
}

.svg-monochrome {
    width: 18px;
    height: 18px;
    vertical-align: middle;
}

.social-links svg {
    width: 24px;
    height: 24px;
}

.icon-wrapper {
    display: flex;
    align-items: center;
    color: var(--text-primary);
}

.contact-card .info strong {
    display: block;
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
}

.contact-card .info span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* =========================================
   Floating Language Switcher
   ========================================= */
.floating-lang {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 1000;
}

.flag-btn {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 2px solid transparent;
    padding: 0;
    overflow: hidden;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

.flag-btn:hover {
    transform: scale(1.1) translateX(-5px);
}

.flag-btn.active {
    border-color: var(--accent);
    transform: scale(1.15);
    box-shadow: 0 8px 20px rgba(14, 165, 233, 0.3);
}

/* Responsive Variables */
@media (max-width: 768px) {
    .hero-content h1 { font-size: 2.5rem; }
    .footer-content { grid-template-columns: 1fr; gap: 2rem; }
    .packages-grid { grid-template-columns: 1fr; }
    .floating-lang { right: 1rem; bottom: 1rem; }
    .flag-btn { width: 22px; height: 22px; font-size: 1.2rem; }
}
