/**
 * Madhumita Deodhar - Hindustani Classical Music Website
 * Main Stylesheet
 * Classical Indian Aesthetic with Modern Elegance
 */

/* ============================================
   ROOT VARIABLES - Color Palette
   ============================================ */
:root {
    /* Primary Colors */
    --color-maroon: #8B1538;
    --color-maroon-dark: #6B0F2A;
    --color-maroon-light: #A82C4E;
    
    /* Secondary Colors */
    --color-blue: #1E3A5F;
    --color-blue-dark: #152840;
    --color-blue-light: #2B5278;
    
    /* Accent Colors */
    --color-gold: #D4AF37;
    --color-gold-dark: #B8941F;
    --color-gold-light: #E5C866;
    
    /* Neutral Colors */
    --color-ivory: #FFFFF0;
    --color-cream: #FAF7F0;
    --color-beige: #E8DCC4;
    --color-gray: #666666;
    --color-gray-light: #CCCCCC;
    --color-white: #FFFFFF;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Lato', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================
   GLOBAL STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-gray);
    background-color: var(--color-ivory);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-maroon);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

a {
    color: var(--color-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-maroon);
}

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

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    background-color: var(--color-white) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-sm) 0;
}

.navbar-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.brand-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-maroon);
}

.brand-tagline {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--color-gold);
    font-style: italic;
    margin-top: -0.25rem;
}

.nav-link {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-gray) !important;
    padding: var(--spacing-xs) var(--spacing-md) !important;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-maroon) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-gold);
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-maroon-dark) 0%, var(--color-blue-dark) 100%);
    overflow: hidden;
    padding: var(--spacing-xl) 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 240, 0.05) 0%, transparent 50%);
    background-size: 100% 100%;
    opacity: 0.6;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.75rem;
    color: var(--color-gold-light);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
    animation: fadeInUp 1.2s ease;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-cream);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
    animation: fadeInUp 1.4s ease;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1.6s ease;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary-custom {
    background-color: var(--color-gold);
    color: var(--color-maroon-dark);
    border: 2px solid var(--color-gold);
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary-custom:hover {
    background-color: transparent;
    color: var(--color-gold);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

.btn-secondary-custom {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-secondary-custom:hover {
    background-color: var(--color-white);
    color: var(--color-maroon);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-maroon) 0%, var(--color-gold) 100%);
}

.section-subtitle {
    text-align: center;
    color: var(--color-gray);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

/* ============================================
   CARDS
   ============================================ */
.card-custom {
    border: none;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-normal);
    background-color: var(--color-white);
    height: 100%;
}

.card-custom:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(139, 21, 56, 0.2);
}

.card-custom .card-header {
    background: linear-gradient(135deg, var(--color-maroon) 0%, var(--color-blue) 100%);
    color: var(--color-white);
    padding: var(--spacing-md);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
}

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

.card-custom .card-title {
    color: var(--color-maroon);
    margin-bottom: var(--spacing-sm);
}

.card-custom .card-text {
    color: var(--color-gray);
    line-height: 1.7;
}

/* ============================================
   BADGES
   ============================================ */
.badge-language {
    font-size: 0.75rem;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-weight: 500;
}

.badge-en {
    background-color: var(--color-blue);
    color: var(--color-white);
}

.badge-mr {
    background-color: var(--color-gold);
    color: var(--color-maroon-dark);
}

.badge-category {
    background-color: var(--color-beige);
    color: var(--color-maroon);
    font-size: 0.85rem;
    padding: 0.35rem 0.75rem;
    border-radius: 15px;
    font-weight: 500;
}

/* ============================================
   VIDEO GRID
   ============================================ */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.video-card {
    background-color: var(--color-white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-normal);
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(139, 21, 56, 0.15);
}

.video-embed {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
}

.video-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

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

.video-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-maroon);
    margin-bottom: var(--spacing-xs);
}

.video-description {
    font-size: 0.95rem;
    color: var(--color-gray);
    line-height: 1.6;
}

/* ============================================
   GALLERY
   ============================================ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    cursor: pointer;
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(139, 21, 56, 0.8) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-md);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-caption {
    color: var(--color-white);
    font-size: 1rem;
    font-weight: 500;
}

/* ============================================
   CONTACT FORM
   ============================================ */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.form-label {
    font-weight: 600;
    color: var(--color-maroon);
    margin-bottom: var(--spacing-xs);
}

.form-control {
    border: 2px solid var(--color-beige);
    border-radius: 8px;
    padding: 0.75rem;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    border-color: var(--color-gold);
    box-shadow: 0 0 0 0.2rem rgba(212, 175, 55, 0.25);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: linear-gradient(135deg, var(--color-maroon-dark) 0%, var(--color-blue-dark) 100%);
    color: var(--color-cream);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
}

.footer-text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-cream);
}

.footer-links {
    list-style: none;
    padding: 0;
}

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

.footer-links a {
    color: var(--color-cream);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-gold);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-gold);
    font-size: 1.25rem;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: var(--color-gold);
    color: var(--color-maroon-dark);
    transform: translateY(-3px);
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.2);
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

.copyright {
    font-size: 0.9rem;
    color: var(--color-beige);
    margin: 0;
}

.separator {
    margin: 0 var(--spacing-sm);
}

.admin-link {
    color: var(--color-gold);
    transition: color var(--transition-fast);
}

.admin-link:hover {
    color: var(--color-gold-light);
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
}

@media (max-width: 576px) {
    .hero {
        min-height: 70vh;
    }
    
    .btn-primary-custom,
    .btn-secondary-custom {
        width: 100%;
        padding: 0.85rem 1.5rem;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-maroon {
    color: var(--color-maroon) !important;
}

.text-gold {
    color: var(--color-gold) !important;
}

.bg-cream {
    background-color: var(--color-cream) !important;
}

.bg-ivory {
    background-color: var(--color-ivory) !important;
}