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

:root {
    --primary-color: #83c1ff;
    --secondary-color: #3498db;
    --accent-color: #1de1ff65;
    --light-color: #ffffff;
    --dark-color: hsl(210, 100%, 75%);
    --success-color: #27ae60;
    --warning-color: #6298fc5b;
    --text-color: #1f1f1f;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Noto Sans Bengali', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #6cebf4;
}

/* Navigation Bar */
.navbar {
    background: color(blue);
    color: #000;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000

}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 2rem;
    color: var(--light-color);
}

.logo-text {
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: white;
    transition: var(--transition);
}

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

.hero-content {
    text-align: center;
    color: white;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.119);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    max-width: 800px;
    margin: 0 20px;
}

.main-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-text p {
    font-size: 1.2rem;
    margin: 0.5rem 0;
    opacity: 0.9;
}

.hero-buttons {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
}

.visit-btn {
    background: linear-gradient(45deg, var(--accent-color), var(--warning-color));
    color: white;
}

.video-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(5px);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

/* Countries Section */
.countries-section {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #88fbf9a4 100%);
}

.section-title {
    text-align: center;
    color: rgba(255, 255, 255, 0.663);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: rgba(132, 136, 141, 0.8);
    margin-bottom: 3rem;
}

.countries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.country-card {
    background: rgb(133, 241, 247);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    cursor: pointer;
}

.country-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.country-image {
    height: 200px;
    overflow: hidden;
}

.country-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.5s ease;
}

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

.country-info {
    padding: 1.5rem;
}

.country-info h3 {
    color: rgb(62, 152, 248);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.card-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.card-buttons button {
    padding: 0.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.btn-details {
    background: rgb(26, 197, 194);
    color: white;
}

.btn-travel {
    background: rgb(43, 225, 219);
    color: white;
}

.btn-weather {
    background: rgb(118, 163, 248);
    color: white;
}

.btn-data {
    background:  rgb(23, 176, 174);
    color: white;
    grid-column: span 2;
}

/* Form Styles */
.travel-form-section {
    padding: 3rem 2rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.form-section {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.form-section h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--secondary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.8rem;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    font-family: 'Noto Sans Bengali', sans-serif;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0.5rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.rating {
    display: flex;
    gap: 5px;
    margin-top: 0.5rem;
}

.star {
    font-size: 1.5rem;
    color: #ddd;
    cursor: pointer;
    transition: var(--transition);
}

.star:hover,
.star.active {
    color: var(--warning-color);
}

.image-preview {
    margin-top: 1rem;
    border: 2px dashed #ddd;
    border-radius: var(--border-radius);
    padding: 1rem;
    text-align: center;
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
}

.submit-btn {
    background: linear-gradient(45deg, var(--success-color), #2ecc71);
    color: white;
    padding: 1rem 3rem;
    font-size: 1.2rem;
}

.download-btn {
    background: linear-gradient(45deg, var(--secondary-color), #2980b9);
    color: white;
    padding: 1rem 3rem;
    font-size: 1.2rem;
}

.download-btn:disabled {
    background: #95a5a6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-content {
    background: white;
    border-radius: var(--border-radius);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 2rem;
    color: var(--accent-color);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.close-modal:hover {
    background: #f8f9fa;
}

.video-container {
    padding: 2rem;
    text-align: center;
}

.video-container iframe {
    width: 100%;
    max-width: 800px;
    height: 450px;
    border-radius: var(--border-radius);
}

/* Country Details Modal */
.country-modal-content {
    padding: 2rem;
}

.detail-section {
    margin-bottom: 2rem;
}

.detail-section h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.5rem;
}

.detail-section img {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-top: 1rem;
}

/* Footer */
footer {
    background: var(--dark-color);
    color: white;
    padding: 3rem 2rem 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--light-color);
    font-size: 1.3rem;
}

.footer-section p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.footer-section a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

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

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

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

.social-icons a:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* Services Section */
.services-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 3rem auto;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.service-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.service-card h3 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.service-card ul {
    text-align: left;
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.service-card li {
    margin-bottom: 0.5rem;
}

.service-btn {
    background: var(--secondary-color);
    color: white;
    margin-top: 1rem;
    width: 100%;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 3rem auto;
    padding: 2rem;
    background: rgb(168, 234, 250);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.about-text h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.about-text h4 {
    color: var(--secondary-color);
    margin: 1.5rem 0 1rem;
}

.about-text ul {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.about-text li {
    margin-bottom: 0.5rem;
}

.achievements {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.achievement {
    text-align: center;
    padding: 1rem;
    background: #aad0f6;
    border-radius: var(--border-radius);
}

.achievement i {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.achievement h5 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.team-section {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 2rem;
    text-align: center;
}

.team-members {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.team-member {
    background: rgb(107, 233, 249);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-5px);
}

.team-member img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
    border: 5px solid var(--light-color);
}

.team-member h4 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* Pricing Section */
.pricing-section {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 2rem;
}

.pricing-table {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.price-card {
    background: rgba(250, 129, 129, 0.274);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    position: relative;
    transition: var(--transition);
}

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

.price-card.popular {
    border: 2px solid var(--secondary-color);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary-color);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-weight: bold;
    font-size: 0.9rem;
}

.price-card h4 {
    color: var(--dark-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.price {
    font-size: 2.5rem;
    color: var(--secondary-color);
    font-weight: bold;
    margin: 1rem 0;
}

.price-card ul {
    text-align: left;
    margin: 1.5rem 0;
}

.price-card li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.price-card li:before {
    content: "✓";
    color: var(--success-color);
    position: absolute;
    left: 0;
}

.price-btn {
    background: var(--secondary-color);
    color: white;
    width: 100%;
    margin-top: 1rem;
}

/* Contact Service Section */
.contact-service-section {
    max-width: 600px;
    margin: 3rem auto;
    padding: 2rem;
    background: rgb(152, 229, 249);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.service-contact-form {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
}

/* Features Section */
.features-section {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #72c4fe 0%, #61b8ff 100%);
    text-align: center;
}

.features-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 3rem auto;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.2);
}

.feature-icon {
    font-size: 3rem;
    color: rgb(255, 255, 255);
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: rgba(7, 132, 248, 0.836);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.9);
}