:root {
    --primary-color: #FFC107;
    --primary-hover: #FFA000;
    --primary-text: #A87600; /* Darker Gold for 4.5:1 accessibility contrast ratio */
    --text-dark: #1A1A1A;
    --text-light: #F8F9FA;
    --bg-white: #FFFFFF;
    --bg-light: #F2F2F2;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

/* Scroll behavior for better UX */
html {
    scroll-behavior: smooth;
}

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

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 30px 6%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

nav {
    display: flex;
    justify-content: center;
    margin: 0 40px; /* Margen de seguridad para evitar solapamiento */
}

header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    padding: 15px 5%;
}

header.scrolled .logo h1 {
    color: var(--text-dark);
}

header.scrolled .nav-links a {
    color: var(--text-dark);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 30px;
}

.social-top {
    display: flex;
    gap: 15px;
}

.social-top a {
    color: white;
    font-size: 1.2rem;
    transition: var(--transition);
}

header.scrolled .social-top a {
    color: var(--text-dark);
}

.social-top a:hover {
    color: var(--primary-color) !important;
    transform: translateY(-2px);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    background: none;
    border: none;
    padding: 10px;
}

header.scrolled .menu-toggle {
    color: var(--text-dark);
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.5rem; 
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    white-space: nowrap;
}

.logo span {
    color: var(--primary-text);
    margin-left: 5px;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
}

.nav-links li a i {
    display: none; /* Ocultar iconos en escritorio */
}

@media (min-width: 993px) {
    .mobile-menu-header, .mobile-menu-footer {
        display: none;
    }
}

/* Hero Section */
.hero {
    height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('assets/hero_iguazu_falls.avif');
    background-size: cover;
    background-position: center;
    padding: 0 20px;
}

@media (max-width: 600px) {
    .hero {
        background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('assets/mobile/hero_iguazu_falls.avif');
    }
}

.hero-content {
    max-width: 900px;
    animation: fadeInUp 1s ease-out;
}

.hero-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 25px;
    letter-spacing: 1.5px;
    color: var(--primary-color);
    text-shadow: 2px 2px 10px rgba(0,0,0,0.8);
}

.hero-content h2 {
    font-size: 1.4rem;
    font-weight: 500;
    text-transform: uppercase;
    margin-bottom: 20px;
    letter-spacing: 2px;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.8);
}

.hero-content h1 {
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 900;
    margin: 20px 0 40px 0;
    line-height: 1.1;
    text-shadow: 2px 2px 25px rgba(0,0,0,0.7);
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 45px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 1px 1px 10px rgba(0,0,0,0.8);
    font-weight: 400;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--text-dark);
    padding: 18px 45px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    text-transform: uppercase;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(255, 193, 7, 0.3);
    position: relative;
    overflow: hidden; /* Asegura que el brillo no se vea fuera */
    display: inline-block;
    z-index: 1; /* Necesario para que overflow funcione con border-radius en algunos navegadores */
    -webkit-mask-image: -webkit-radial-gradient(white, black); /* Fix para Safari */
    mask-image: radial-gradient(white, black);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 30px rgba(255, 193, 7, 0.5);
}

/* Efecto Brillo más controlado y sutil */
.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 60%;
    height: 100%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.5) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: skewX(-25deg);
    animation: shine 5s infinite;
}

@keyframes shine {
    0% { left: -150%; }
    20% { left: 200%; }
    100% { left: 200%; }
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 193, 7, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(255, 193, 7, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 193, 7, 0); }
}

.hero-socials a {
    transition: var(--transition);
}

.hero-socials a:hover {
    color: var(--primary-color) !important;
    transform: scale(1.2);
}

/* Sections */
section {
    padding: 100px 5%;
}

.section-tag {
    color: var(--primary-text);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 50px;
    color: var(--text-dark);
}

/* Info Cards */
.info-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.info-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
}

.info-card:hover {
    transform: translateY(-10px);
}

.info-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 25px;
    width: 60px; /* Fixed dimensions for CLS prevention */
    height: 60px;
    display: inline-block;
}

.info-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.info-card p {
    color: #444;
    font-size: 1rem;
}

/* Destinations Grid */
.destinations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.destination-card {
    height: 450px;
    position: relative;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.destination-card:hover {
    transform: scale(1.03);
}

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

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

.destination-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 40px;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
}

.destination-overlay h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.destination-overlay p {
    font-size: 1rem;
    opacity: 0.9;
}

/* Fleet Section Updated */
.fleet {
    background-color: var(--bg-light);
}

.fleet-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 60px;
}

.fleet-img {
    flex: 1;
    min-width: 350px;
    overflow: hidden;
    border-radius: 30px;
    box-shadow: var(--shadow);
}

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

.fleet-text {
    flex: 1;
    min-width: 350px;
}

.list-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    gap: 15px;
}

.list-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* Contact Bar (Whatsapp Sticky) */
.whatsapp-sticky {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25D366;
    color: white;
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    z-index: 999;
    text-decoration: none;
    transition: var(--transition);
}

.whatsapp-sticky:hover {
    transform: scale(1.1);
}

/* Sticky Social Bar (Left) */
.social-sticky {
    position: fixed;
    left: 20px;
    bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    z-index: 999;
}

.social-sticky a {
    width: 60px; /* Enhanced for fingers on mobile */
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 1.8rem;
    text-decoration: none;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
    transition: var(--transition);
}

.social-sticky a.instagram {
    background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
}

.social-sticky a.tiktok {
    background: #000;
}

.social-sticky a:hover {
    transform: scale(1.1) translateX(5px);
}

/* Footer */
footer {
    background: #111;
    color: white;
    padding: 80px 5% 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.footer-logo span {
    color: var(--primary-color);
}

.footer-links h4 {
    margin-bottom: 25px;
    font-size: 1.2rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #AAA;
    text-decoration: none;
    transition: var(--transition);
}

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

.copy {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid #333;
    color: #444;
    font-size: 0.9rem;
}

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

/* Responsive */
.social-footer {
    display: flex;
    gap: 15px;
}

.social-footer a {
    background: #333;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    transition: var(--transition);
}

.social-footer a:hover {
    background: var(--primary-color);
    color: var(--text-dark);
    transform: translateY(-3px);
}

@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 3.5rem;
    }
    .hero-content h3 {
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    /* Menu & Nav fixes */
    header {
        padding: 20px 5%;
    }
    
    .logo h1 {
        font-size: 1.2rem;
    }

    nav {
        margin: 0;
    }

    .hero-content h1 {
        font-size: 2.5rem;
        margin-bottom: 25px;
    }

    .hero-content h3 {
        font-size: 0.9rem;
    }

    .desktop-btn {
        display: none;
    }

    .menu-toggle {
        display: block;
        font-size: 2rem;
        z-index: 1001;
    }

    nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%; /* Full screen width for mobile */
        height: 100vh;
        background: #111; /* Luxury dark background */
        backdrop-filter: blur(15px);
        padding: 40px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        transition: 0.5s cubic-bezier(0.85, 0, 0.15, 1);
        z-index: 2000;
    }

    nav.active {
        right: 0;
    }

    .mobile-menu-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding-bottom: 20px;
        margin-bottom: 30px;
    }

    .mobile-menu-header h2 {
        color: white;
        font-size: 1.5rem;
        font-weight: 800;
    }

    .mobile-menu-header h2 span {
        color: var(--primary-color);
    }

    .menu-close {
        color: white;
        font-size: 2rem;
        cursor: pointer;
    }

    .nav-links {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .nav-links li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .nav-links li a {
        display: flex;
        align-items: center;
        gap: 15px;
        color: white !important;
        font-size: 1.2rem;
        font-weight: 500;
        padding: 20px 0;
        width: 100%;
        transition: var(--transition);
    }

    .nav-links li a i {
        display: block; /* Show icons on mobile */
        color: var(--primary-color);
        width: 25px;
        text-align: center;
    }

    .nav-links li a:active {
        color: var(--primary-color) !important;
        background: rgba(255, 193, 7, 0.05);
        padding-left: 10px;
    }

    .mobile-menu-footer {
        padding-top: 30px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .mobile-menu-footer p {
        color: #888;
        font-size: 0.9rem;
        margin-bottom: 15px;
    }

    .social-links-mobile {
        display: flex;
        gap: 20px;
    }

    .social-links-mobile a {
        color: white;
        font-size: 1.5rem;
        transition: var(--transition);
    }

    .social-links-mobile a:hover {
        color: var(--primary-color);
    }

    .hero {
        padding-top: 80px;
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .destinations-grid {
        grid-template-columns: 1fr;
    }

    .destination-card {
        height: 350px;
    }

    footer {
        text-align: center;
    }

    .footer-links li {
        margin-bottom: 8px;
    }
}