/* Base Styles */
:root {
    --primary-color: #8E2323; /* Sri Lankan red */
    --secondary-color: #FFC72C; /* Golden yellow */
    --dark-color: #1A1A1A;
    --light-color: #F5F5F5;
    --accent-color: #006B54; /* Deep green */
    --text-color: #333333;
    --text-light: #777777;
    --white: #FFFFFF;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--light-color);
}

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

.primary-btn:hover {
    background-color: #6E1A1A;
    transform: translateY(-2px);
}

.secondary-btn {
    background-color: var(--secondary-color);
    color: var(--dark-color);
}

.secondary-btn:hover {
    background-color: #E6B422;
    transform: translateY(-2px);
}

/* Header Styles */
header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo img {
    height: 40px;
    margin-right: 0.5rem;
}

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

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    font-weight: 500;
    transition: var(--transition);
}

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

.auth-buttons .login-btn {
    background: transparent;
    color: var(--primary-color);
    margin-right: 1rem;
    border: 1px solid var(--primary-color);
}

.auth-buttons .signup-btn {
    background-color: var(--primary-color);
    color: var(--white);
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8rem 2rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-content {
    flex: 1;
    padding-right: 2rem;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-light);
}

.cta-buttons .primary-btn {
    margin-right: 1rem;
}

.hero-image {
    flex: 1;
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.viewer-controls {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    display: flex;
}

.control-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--white);
    border: none;
    margin-left: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.control-btn:hover {
    background-color: var(--primary-color);
    transform: scale(1.1);
}

/* Features Section */
.features {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.features h2 {
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

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

.feature-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

/* Heritage Sites Section */
.heritage-sites {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.heritage-sites h2 {
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.site-carousel {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 2rem;
    padding: 1rem 0;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.site-carousel::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.site-card {
    flex: 0 0 300px;
    scroll-snap-align: start;
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.site-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.site-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.site-card h3 {
    font-size: 1.2rem;
    margin: 1rem 0 0.5rem;
    color: var(--primary-color);
}

.site-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    padding: 0 1rem;
    margin-bottom: 1.5rem;
}

.explore-btn {
    background-color: var(--accent-color);
    color: var(--white);
    margin-bottom: 1.5rem;
}

.explore-btn:hover {
    background-color: #005542;
}

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

.carousel-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.carousel-btn:hover {
    background-color: #6E1A1A;
    transform: scale(1.1);
}

/* Modal Styles */
.login-modal, .signup-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    width: 100%;
    max-width: 400px;
    position: relative;
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal-content h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.social-login {
    text-align: center;
    margin: 1.5rem 0;
}

.social-login p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    color: var(--white);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.social-btn.google {
    background-color: #DB4437;
}

.social-btn.facebook {
    background-color: #4267B2;
}

.social-btn:hover {
    transform: scale(1.1);
}

.signup-link, .login-link {
    text-align: center;
    color: var(--text-light);
}

.signup-link a, .login-link a {
    color: var(--primary-color);
    font-weight: 500;
}

/* Footer Styles */
footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 4rem 2rem 2rem;
}

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

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

.footer-section p {
    margin-bottom: 1rem;
}

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

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

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

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

.footer-section.links li {
    margin-bottom: 0.8rem;
}

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

.footer-section.contact p {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.footer-section.contact i {
    margin-right: 0.8rem;
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 1200px;
    margin: 0 auto;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .auth-buttons {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .hero {
        flex-direction: column;
        padding: 6rem 1rem 2rem;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 2rem;
        text-align: center;
    }

    .cta-buttons {
        display: flex;
        flex-direction: column;
    }

    .cta-buttons .primary-btn {
        margin-right: 0;
        margin-bottom: 1rem;
    }

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

    .site-carousel {
        padding-bottom: 1rem;
    }
}