/* Chennai Website - Modern Tourism Design with Chennai-Inspired Colors */

/* CSS Variables - Chennai Color Palette */
:root {
    /* Primary Colors - Inspired by Chennai's vibrant culture */
    --primary-color: #D84315; /* Deep Orange - Temple gopuram colors */
    --primary-dark: #BF360C;
    --primary-light: #FF6E40;
    
    /* Secondary Colors - Ocean and heritage */
    --secondary-color: #0277BD; /* Bay of Bengal blue */
    --secondary-dark: #01579B;
    --secondary-light: #4FC3F7;
    
    /* Accent Colors */
    --accent-gold: #FFA000; /* Temple gold accents */
    --accent-green: #388E3C; /* Natural greenery */
    --accent-coral: #FF7043; /* Sunset colors */
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --off-white: #FAFAFA;
    --light-gray: #F5F5F5;
    --gray: #9E9E9E;
    --dark-gray: #424242;
    --black: #212121;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Georgia', 'Times New Roman', serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--black);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-sm);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-normal);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.brand-icon {
    width: 32px;
    height: 32px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-menu a {
    color: var(--dark-gray);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 8px;
    transition: var(--transition-fast);
}

.nav-menu a:hover {
    color: var(--primary-color);
    background: var(--light-gray);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.menu-toggle svg {
    width: 28px;
    height: 28px;
    stroke: var(--primary-color);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><path d="M0,300 Q300,200 600,300 T1200,300 L1200,600 L0,600 Z" fill="rgba(255,255,255,0.1)"/></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(0,0,0,0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: var(--spacing-md);
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5rem);
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 4px 8px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--spacing-sm);
    opacity: 0.95;
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-normal);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn svg {
    width: 20px;
    height: 20px;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator svg {
    width: 32px;
    height: 32px;
    stroke: var(--white);
}

/* Stats Section */
.stats {
    padding: var(--spacing-lg) 0;
    background: var(--light-gray);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-sm);
    stroke: var(--primary-color);
}

.stat-number {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--dark-gray);
    font-size: 1rem;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

/* Attractions Section */
.attractions {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.attractions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.attraction-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

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

.card-image {
    height: 250px;
    background-size: cover;
    background-position: center;
    position: relative;
}

/* Placeholder gradients for images */
.marina-beach { background: linear-gradient(135deg, #4FC3F7 0%, #0277BD 100%); }
.kapaleeshwarar { background: linear-gradient(135deg, #FF6E40 0%, #D84315 100%); }
.fort-st-george { background: linear-gradient(135deg, #FFA000 0%, #F57C00 100%); }
.san-thome { background: linear-gradient(135deg, #9575CD 0%, #5E35B1 100%); }
.government-museum { background: linear-gradient(135deg, #4DB6AC 0%, #00897B 100%); }
.kalakshetra { background: linear-gradient(135deg, #81C784 0%, #388E3C 100%); }

.card-content {
    padding: var(--spacing-md);
}

.card-icon {
    width: 32px;
    height: 32px;
    stroke: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.card-content h3 {
    color: var(--black);
    margin-bottom: var(--spacing-sm);
}

.card-content p {
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
}

.card-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.tag {
    padding: 0.25rem 0.75rem;
    background: var(--light-gray);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Culture Section */
.culture {
    padding: var(--spacing-xl) 0;
    background: var(--light-gray);
}

.culture-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.culture-text h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.lead {
    font-size: 1.125rem;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-md);
}

.culture-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.feature {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.feature svg {
    width: 32px;
    height: 32px;
    stroke: var(--secondary-color);
    flex-shrink: 0;
}

.feature h4 {
    color: var(--black);
    margin-bottom: 0.25rem;
}

.feature p {
    color: var(--dark-gray);
    margin: 0;
}

.culture-image {
    height: 500px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--primary-color) 100%);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

/* Beaches Section */
.beaches {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.beaches-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.beach-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

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

.beach-image {
    height: 250px;
    background-size: cover;
    background-position: center;
}

.marina { background: linear-gradient(135deg, #4FC3F7 0%, #0277BD 100%); }
.elliots { background: linear-gradient(135deg, #81C784 0%, #388E3C 100%); }
.covelong { background: linear-gradient(135deg, #FFB74D 0%, #F57C00 100%); }

.beach-info {
    padding: var(--spacing-md);
}

.beach-info h3 {
    color: var(--black);
    margin-bottom: var(--spacing-sm);
}

.beach-info p {
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
}

.beach-amenities {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.beach-amenities span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    background: var(--light-gray);
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--dark-gray);
}

.beach-amenities svg {
    width: 16px;
    height: 16px;
    stroke: var(--secondary-color);
}

/* Heritage Section */
.heritage {
    padding: var(--spacing-xl) 0;
    background: var(--light-gray);
}

.heritage-timeline {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    position: relative;
}

.heritage-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: var(--spacing-lg);
}

.timeline-marker {
    position: absolute;
    left: 10px;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 4px solid var(--white);
    box-shadow: var(--shadow-sm);
}

.timeline-content {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.timeline-content p {
    color: var(--dark-gray);
    margin: 0;
}

.heritage-buildings {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.building-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.building-card svg {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-sm);
    stroke: var(--secondary-color);
}

.building-card h4 {
    color: var(--black);
    margin-bottom: var(--spacing-xs);
}

.building-card p {
    color: var(--dark-gray);
    font-size: 0.875rem;
    margin: 0;
}

/* Visit Info Section */
.visit-info {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.info-card {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--light-gray);
    border-radius: 16px;
    transition: var(--transition-normal);
}

.info-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.info-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-sm);
    stroke: var(--primary-color);
}

.info-card h3 {
    color: var(--black);
    margin-bottom: var(--spacing-sm);
}

.info-card p {
    color: var(--dark-gray);
    margin: 0;
}

/* Footer */
.footer {
    background: var(--black);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

.footer-section h4 {
    color: var(--primary-light);
    margin-bottom: var(--spacing-sm);
}

.footer-section p {
    color: var(--gray);
    line-height: 1.8;
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul a {
    color: var(--gray);
    transition: var(--transition-fast);
}

.footer-section ul a:hover {
    color: var(--primary-light);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    color: var(--gray);
}

.contact-info svg {
    width: 18px;
    height: 18px;
    stroke: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--dark-gray);
    color: var(--gray);
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background: var(--white);
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transition: var(--transition-normal);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .culture-content {
        grid-template-columns: 1fr;
    }
    
    .culture-image {
        height: 300px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .attractions-grid,
    .beaches-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .hero {
        height: 80vh;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}