/* Introduction Section Redesign */

/* Section Background */
#intro {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #cbd5e0 100%);
    position: relative;
    overflow: hidden;
    padding: 6rem 0;
}

#intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(102, 126, 234, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.05) 0%, transparent 50%);
    animation: introBackgroundFloat 15s ease-in-out infinite;
}

@keyframes introBackgroundFloat {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.05); }
}

/* Main Container */
.intro-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 5;
}

/* Hero Card */
.intro-hero-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 4rem;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.1),
        0 12px 24px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
    margin-bottom: 3rem;
}

.intro-hero-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 50%, #667eea 100%);
    background-size: 200% 100%;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Header Section */
.intro-header {
    text-align: center;
    margin-bottom: 3rem;
}

.intro-header h1 {
    font-family: 'Expletus Sans', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 1rem;
    position: relative;
    letter-spacing: 0.02em;
}

.intro-header h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

.intro-tagline {
    font-family: 'Inter', sans-serif;
    font-size: 1.3rem;
    color: #4a5568;
    font-weight: 400;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* Stats Section */
.intro-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(102, 126, 234, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(102, 126, 234, 0.1);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(102, 126, 234, 0.1);
    border-color: rgba(102, 126, 234, 0.2);
}

.stat-number {
    font-family: 'Inter', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: #667eea;
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    color: #4a5568;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Content Grid */
.intro-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

/* About Card */
.about-card {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(102, 126, 234, 0.1);
    position: relative;
    transition: all 0.3s ease;
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.about-card h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.about-card .icon {
    font-size: 1.5rem;
    color: #667eea;
}

.about-card p {
    font-family: 'Inter', sans-serif;
    color: #4a5568;
    line-height: 1.7;
    margin-bottom: 1rem;
    font-size: 1rem;
}

/* Expertise Areas */
.expertise-card {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(102, 126, 234, 0.1);
    transition: all 0.3s ease;
}

.expertise-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.expertise-card h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.expertise-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.expertise-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(102, 126, 234, 0.1);
    transition: all 0.3s ease;
}

.expertise-item:last-child {
    border-bottom: none;
}

.expertise-item:hover {
    background: rgba(102, 126, 234, 0.05);
    padding-left: 1rem;
    border-radius: 8px;
}

.expertise-icon {
    color: #10b981;
    margin-right: 1rem;
    font-size: 1.1rem;
}

.expertise-text {
    font-family: 'Inter', sans-serif;
    color: #4a5568;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Call to Action */
.intro-cta {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(102, 126, 234, 0.1);
}

.intro-cta p {
    font-family: 'Inter', sans-serif;
    color: #4a5568;
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary-intro {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    border: none;
    cursor: pointer;
}

.btn-secondary-intro {
    background: transparent;
    color: #667eea;
    padding: 1rem 2.5rem;
    border: 2px solid #667eea;
    border-radius: 50px;
    text-decoration: none;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn-primary-intro:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
    color: white;
    text-decoration: none;
}

.btn-secondary-intro:hover {
    background: #667eea;
    color: white;
    transform: translateY(-3px);
    text-decoration: none;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in-up.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 968px) {
    .intro-content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .intro-stats {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    #intro {
        padding: 4rem 0;
    }
    
    .intro-container {
        padding: 0 1rem;
    }
    
    .intro-hero-card {
        padding: 2.5rem;
        margin-bottom: 2rem;
    }
    
    .intro-header h1 {
        font-size: clamp(2rem, 6vw, 3rem);
    }
    
    .intro-tagline {
        font-size: 1.1rem;
    }
    
    .intro-stats {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .about-card,
    .expertise-card {
        padding: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .btn-primary-intro,
    .btn-secondary-intro {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .intro-hero-card {
        padding: 2rem;
    }
    
    .intro-stats {
        grid-template-columns: 1fr;
    }
    
    .about-card,
    .expertise-card {
        padding: 1.5rem;
    }
    
    .intro-header h1 {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }
    
    .intro-tagline {
        font-size: 1rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}