/* HeritageGuide - Custom Styles */

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #f39c12;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

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

.hero-section::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 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-image img {
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
}

.hero-image img:hover {
    transform: scale(1.05);
}

/* Feature Icons */
.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--light-color) 0%, #fff 100%);
    border-radius: 50%;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Cards */
.card {
    transition: all 0.3s ease;
    border: none;
    border-radius: 15px;
    overflow: hidden;
}

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

.card-img-top {
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

/* City Cards */
.city-card {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all 0.3s ease;
}

.city-card:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.city-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.3);
    transition: opacity 0.3s ease;
}

.city-card:hover::before {
    opacity: 0.1;
}

.city-card-content {
    position: relative;
    z-index: 2;
}

/* Heritage Site Cards */
.heritage-card {
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    height: 100%;
}

.heritage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.heritage-card .card-body {
    padding: 1.5rem;
}

.heritage-card .card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

.heritage-card .card-text {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Buttons */
.btn {
    border-radius: 25px;
    padding: 12px 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    box-shadow: 0 5px 15px rgba(44, 62, 80, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(44, 62, 80, 0.4);
}

.btn-warning {
    background: linear-gradient(135deg, var(--accent-color) 0%, #e67e22 100%);
    box-shadow: 0 5px 15px rgba(243, 156, 18, 0.3);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(243, 156, 18, 0.4);
}

/* Navigation */
.navbar {
    backdrop-filter: blur(10px);
    background: rgba(44, 62, 80, 0.95) !important;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--accent-color) !important;
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--dark-color) 0%, #34495e 100%);
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
        padding: 2rem 0;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-section .lead {
        font-size: 1.1rem;
    }
    
    .city-card {
        height: 250px;
        margin-bottom: 1rem;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
    }
    
    .feature-icon i {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .card-body {
        padding: 1rem;
    }
}

/* Audio Player Styles */
.audio-player {
    background: linear-gradient(135deg, var(--success-color) 0%, #2ecc71 100%);
    border-radius: 25px;
    padding: 15px 20px;
    color: white;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 5px 15px rgba(39, 174, 96, 0.3);
    transition: all 0.3s ease;
}

.audio-player:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(39, 174, 96, 0.4);
}

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

.audio-progress {
    flex: 1;
    height: 4px;
    background: rgba(255,255,255,0.3);
    border-radius: 2px;
    overflow: hidden;
}

.audio-progress-bar {
    height: 100%;
    background: white;
    border-radius: 2px;
    transition: width 0.1s ease;
}

/* Search Styles */
.search-container {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}

.search-input {
    border-radius: 25px;
    padding: 15px 50px 15px 20px;
    border: 2px solid #e9ecef;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.search-input:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

.search-btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Modal Styles */
.modal-content {
    border-radius: 15px;
    border: none;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.modal-header {
    border-bottom: 1px solid #e9ecef;
    border-radius: 15px 15px 0 0;
}

.modal-footer {
    border-top: 1px solid #e9ecef;
    border-radius: 0 0 15px 15px;
}

/* Utility Classes */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-soft {
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.rounded-lg {
    border-radius: 15px;
}

/* Text-to-Speech Button Styles */
#speakBtn {
    background: linear-gradient(135deg, var(--success-color) 0%, #2ecc71 100%);
    border: none;
    box-shadow: 0 5px 15px rgba(39, 174, 96, 0.3);
    transition: all 0.3s ease;
}

#speakBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(39, 174, 96, 0.4);
}

#speakBtn:active {
    transform: translateY(0);
}

#stopBtn {
    background: linear-gradient(135deg, var(--danger-color) 0%, #c0392b 100%);
    border: none;
    box-shadow: 0 3px 10px rgba(231, 76, 60, 0.3);
    transition: all 0.3s ease;
}

#stopBtn:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.4);
}

/* Speaking animation */
.speaking {
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Speech controls container */
.speech-controls {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 15px;
    padding: 20px;
    margin: 20px 0;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.speech-controls:hover {
    border-color: var(--success-color);
    box-shadow: 0 5px 15px rgba(39, 174, 96, 0.1);
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-up {
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}