:root {
    --primary: #4361ee;
    --primary-light: #4895ef;
    --secondary: #7209b7;
    --accent: #f72585;
    --dark: #1e293b;
    --darker: #0f172a;
    --light: #f8fafc;
    --lighter: #ffffff;
    --gray: #94a3b8;
    --gray-light: #e2e8f0;
    --success: #4cc9f0;
    --card-bg-light: rgba(255, 255, 255, 0.8);
    --card-bg-dark: rgba(30, 41, 59, 0.8);
    --text-light: #1e293b;
    --text-dark: #f8fafc;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 20px rgba(67, 97, 238, 0.3);
    --transition: all 0.3s ease;
    --border-radius: 16px;
}

[data-theme="dark"] {
    --card-bg: var(--card-bg-dark);
    --text-color: var(--text-dark);
    --background: var(--darker);
    --border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="light"] {
    --card-bg: var(--card-bg-light);
    --text-color: var(--text-light);
    --background: var(--light);
    --border-color: rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    color: var(--text-color);
    transition: var(--transition);
    background-color: var(--background);
}

.testimonial-container {
    max-width: 1200px;
    width: 100%;
    position: relative;
    overflow: hidden;
    padding: 40px 0;
}

.testimonial-header {
    text-align: center;
    margin-bottom: 50px;
}

.testimonial-header h2 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
    background: linear-gradient(45deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.testimonial-header p {
    font-size: 1.2rem;
    color: var(--text-color);
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.9;
}

.theme-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 10;
}

.theme-toggle:hover {
    transform: rotate(30deg);
    box-shadow: var(--shadow-glow);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.filter-btn.active, .filter-btn:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.testimonial-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.testimonial-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    transform: translateY(20px);
    opacity: 0;
}

.testimonial-card.visible {
    transform: translateY(0);
    opacity: 1;
}

.testimonial-card::before {
    content: '\201C';
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 5rem;
    color: var(--primary-light);
    opacity: 0.2;
    font-family: serif;
    line-height: 1;
    z-index: 0;
}

.testimonial-card:hover {
    transform: translateY(-10px) rotate(1deg);
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.client-image {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-light);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.testimonial-card:hover .client-image {
    transform: scale(1.1);
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(247, 37, 133, 0.4);
}

.client-details {
    margin-left: 20px;
}

.client-details h3 {
    font-weight: 700;
    margin-bottom: 5px;
    font-size: 1.3rem;
}

.client-role {
    color: var(--primary);
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.company {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--gray);
}

.company-logo {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    object-fit: cover;
}

.rating {
    color: #fbbf24;
    margin-bottom: 15px;
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
    color: var(--text-color);
}

.testimonial-text.truncated {
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}

.read-more {
    color: var(--primary);
    font-weight: 600;
    cursor: pointer;
    font-size: 0.9rem;
    display: inline-block;
    margin-top: 5px;
}

.testimonial-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
}

.date {
    font-size: 0.85rem;
    color: var(--gray);
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-links a {
    color: var(--gray);
    transition: var(--transition);
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    position: relative;
}

.social-links a:hover {
    color: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.social-links a::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.social-links a:hover::before {
    opacity: 1;
    visibility: visible;
    bottom: -35px;
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

.carousel-btn {
    background: var(--card-bg);
    color: var(--primary);
    border: 1px solid var(--border-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.carousel-btn:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.carousel-btn:disabled {
    background: var(--gray-light);
    color: var(--gray);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.autoplay-control {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.autoplay-btn {
    background: var(--card-bg);
    color: var(--primary);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.autoplay-btn:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.autoplay-btn i {
    margin-right: 8px;
}

.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--accent);
    opacity: 0;
}

@keyframes confettiFall {
    0% { transform: translateY(0) rotate(0deg); opacity: 1; }
    100% { transform: translateY(100vh) rotate(360deg); opacity: 0; }
}

/* Responsive styles */
@media (max-width: 992px) {
    .testimonial-wrapper {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .testimonial-header h2 {
        font-size: 2.2rem;
    }
    
    .testimonial-header p {
        font-size: 1rem;
    }
    
    .testimonial-wrapper {
        grid-template-columns: 1fr;
    }
    
    .filter-buttons {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .testimonial-header h2 {
        font-size: 1.8rem;
    }
    
    .card-header {
        flex-direction: column;
        text-align: center;
    }
    
    .client-details {
        margin-left: 0;
        margin-top: 15px;
    }
    
    .testimonial-footer {
        flex-direction: column;
        gap: 10px;
    }
    
    .social-links {
        margin-top: 10px;
    }
}

/* Animation classes */
.fade-in {
    animation: fadeIn 0.8s ease forwards;
}

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

.star-glow {
    animation: starGlow 1s ease;
}

@keyframes starGlow {
    0% { text-shadow: 0 0 0 rgba(251, 191, 36, 0.5); }
    50% { text-shadow: 0 0 15px rgba(251, 191, 36, 0.8); }
    100% { text-shadow: 0 0 0 rgba(251, 191, 36, 0.5); }
}

.slide-in {
    animation: slideIn 0.6s ease forwards;
}

@keyframes slideIn {
    from { transform: translateX(-100px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}