/* ========== GLOBAL RESET & VARIABLES ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #4F8FBF;
    --light-blue: #6FAED9;
    --dark-navy: #2E2F5B;
    --white: #FFFFFF;
    --bg-light: #F5F9FC;
    --gray-text: #4a5568;
    --shadow-sm: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-md: 0 10px 25px -5px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: #1a202c;
    line-height: 1.5;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.section.bg-light {
    background-color: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark-navy);
    margin-bottom: 12px;
    position: relative;
    display: inline-block;
}

.section-header h2:after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--light-blue));
    border-radius: 3px;
}

.section-header p {
    color: var(--gray-text);
    font-size: 1.1rem;
    margin-top: 20px;
}

/* ========== BUTTONS ========== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    color: var(--white);
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--light-blue), var(--primary-blue));
}

.btn-secondary {
    display: inline-block;
    background: transparent;
    color: var(--primary-blue);
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid var(--primary-blue);
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateX(5px);
}

.btn-outline-small {
    display: inline-block;
    background: transparent;
    color: var(--primary-blue);
    padding: 8px 20px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    border: 2px solid var(--primary-blue);
    transition: var(--transition);
    margin-top: 12px;
}

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

/* ========== NAVBAR ========== */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(2px);
}

.nav-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    text-decoration: none;
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--dark-navy), var(--primary-blue));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.logo-brand {
    color: var(--dark-navy);
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-menu li a {
    text-decoration: none;
    font-weight: 600;
    color: #2d3748;
    transition: var(--transition);
    position: relative;
    padding-bottom: 4px;
}

.nav-menu li a:hover, .nav-menu li a.active-nav {
    color: var(--primary-blue);
}

.nav-menu li a.active-nav:after, .nav-menu li a:hover:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-blue);
    border-radius: 2px;
}

.menu-toggle {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--dark-navy);
}

/* ========== HERO SLIDER ========== */
.hero-slider {
    position: relative;
    height: 85vh;
    min-height: 550px;
    overflow: hidden;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s;
}

.slide.active {
    opacity: 1;
    visibility: visible;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.slide-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
    max-width: 800px;
    margin: 0 auto;
}

.slide-content h1 {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 20px;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.3);
}

.slide-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 10;
}

.slider-nav span {
    background: rgba(255,255,255,0.3);
    backdrop-filter: blur(5px);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: white;
    font-size: 1.5rem;
    transition: var(--transition);
}

.slider-nav span:hover {
    background: var(--primary-blue);
    transform: scale(1.05);
}

.slider-dots {
    position: absolute;
    bottom: 25px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 12px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    background: rgba(255,255,255,0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active-dot {
    background: var(--primary-blue);
    width: 28px;
    border-radius: 10px;
}

/* ========== DESTINATION CARDS (HOME) ========== */
.dest-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.dest-card {
    background: var(--white);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
}

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

.dest-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.4s;
}

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

.dest-card h3 {
    font-size: 1.4rem;
    margin: 20px 0 8px;
    color: var(--dark-navy);
}

.dest-card p {
    padding: 0 20px 24px;
    color: var(--gray-text);
}

/* ========== PACKAGES PREVIEW ========== */
.pack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.pack-card {
    background: var(--white);
    border-radius: 28px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.pack-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.pack-info {
    padding: 24px;
}

.pack-info h3 {
    font-size: 1.4rem;
    color: var(--dark-navy);
    margin-bottom: 8px;
}

.pack-info p {
    color: #718096;
    margin-bottom: 16px;
}

.price {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin: 10px 0;
}

.price span {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--gray-text);
}

/* ========== ABOUT PREVIEW SECTION ========== */
.about-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h2 {
    font-size: 2rem;
    color: var(--dark-navy);
    margin-bottom: 20px;
}

.about-text p {
    color: #4a5568;
    margin-bottom: 28px;
    line-height: 1.6;
}

.about-image img {
    width: 100%;
    border-radius: 32px;
    box-shadow: var(--shadow-md);
}

/* ========== FOOTER ========== */
footer {
    background: var(--dark-navy);
    color: #e2e8f0;
    padding-top: 60px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    padding: 0 24px 40px;
}

.footer-col h3, .footer-col h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-weight: 700;
}

.footer-col p, .footer-col ul li a {
    color: #cbd5e0;
    text-decoration: none;
    line-height: 1.8;
    transition: var(--transition);
}

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

.footer-col ul li a:hover {
    color: var(--light-blue);
    padding-left: 5px;
}

.socials a {
    display: inline-flex;
    background: rgba(255,255,255,0.1);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.socials a:hover {
    background: var(--primary-blue);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
}

/* ========== PAGES COMMON ========== */
.page-hero {
    background: linear-gradient(135deg, var(--dark-navy), var(--primary-blue));
    color: white;
    padding: 80px 0 60px;
    text-align: center;
}

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: 16px;
}

/* destinations / packages / services / contact cards layout */
.destinations-grid, .packages-grid, .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.service-card {
    background: var(--white);
    border-radius: 24px;
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.service-card i {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 12px;
    color: var(--dark-navy);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: var(--white);
    border-radius: 32px;
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    margin-bottom: 20px;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    font-family: inherit;
    transition: var(--transition);
}

.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(79,143,191,0.2);
}

.map-placeholder {
    background: #eef2f6;
    border-radius: 24px;
    height: 100%;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #e2e8f0, #cbd5e0);
    color: var(--dark-navy);
    font-weight: 600;
}

/* filter row */
.filter-row {
    margin-bottom: 40px;
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-btn {
    background: white;
    border: none;
    padding: 10px 24px;
    border-radius: 40px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: var(--shadow-sm);
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 992px) {
    .slide-content h1 { font-size: 2.5rem; }
    .about-preview { grid-template-columns: 1fr; text-align: center; }
    .contact-wrapper { grid-template-columns: 1fr; }
    .section { padding: 60px 0; }
}

@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 72px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 12px 24px rgba(0,0,0,0.1);
        padding: 32px 0;
        gap: 24px;
    }
    .nav-menu.active {
        left: 0;
    }
    .hero-slider { height: 70vh; }
    .slide-content h1 { font-size: 2rem; }
    .section-header h2 { font-size: 2rem; }
    .dest-grid, .pack-grid { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: 1fr; text-align: center; }
}

@media (max-width: 480px) {
    .btn-primary { padding: 10px 24px; font-size: 0.9rem; }
    .slide-content h1 { font-size: 1.8rem; }
}