/* Modern Components - Fresh Design */

/* Buttons - Bold & Interactive */
.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-bounce);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: center;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-primary);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255,255,255,0.5), transparent);
    transform: translate(-50%, -50%);
    transition: width 0.5s, height 0.5s;
    border-radius: 50%;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover::after {
    width: 400px;
    height: 400px;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 40px rgba(100, 116, 139, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-sm);
}

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

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

/* Cards - Modern Glassmorphism */
.card {
    background: var(--bg-card);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-bounce);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.card:hover::before {
    transform: scaleX(1);
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-xl), 0 0 0 2px var(--primary);
    background: var(--bg-card-hover);
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border-radius: var(--radius-xl);
    border: 2px solid var(--border-color);
    padding: var(--spacing-2xl);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.glass-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(59, 130, 246, 0.08), transparent);
    animation: rotate 10s linear infinite;
}

/* Light theme glass card */
body[data-theme="light"] .glass-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 2px solid #e2e8f0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
}

body[data-theme="light"] .glass-card::before {
    background: linear-gradient(45deg, transparent, rgba(59, 130, 246, 0.03), transparent);
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(100, 116, 139, 0.1);
    border: 1px solid rgba(100, 116, 139, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: var(--primary);
    font-weight: 600;
    transition: all var(--transition-normal);
}

.badge:hover {
    background: rgba(100, 116, 139, 0.15);
    border-color: var(--primary);
    transform: scale(1.05);
}

.badge-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(100, 116, 139, 0.3);
}

.badge-gradient:hover {
    box-shadow: 0 6px 16px rgba(100, 116, 139, 0.4);
}

/* Tags */
.tag {
    padding: 0.3rem 0.8rem;
    background: rgba(100, 116, 139, 0.1);
    border: 1px solid rgba(100, 116, 139, 0.3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    color: var(--primary);
    display: inline-block;
    transition: all var(--transition-normal);
}

.tag:hover {
    background: rgba(100, 116, 139, 0.15);
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-weight: var(--font-weight-bold);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px var(--spacing-lg) var(--spacing-2xl);
    position: relative;
}

/* Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Stats & Counters */
.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: bold;
    color: #14b8a6;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

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

/* Responsive */
@media (max-width: 968px) {
    .section-title {
        font-size: var(--font-size-2xl);
    }

    .section-subtitle {
        font-size: var(--font-size-base);
    }

    .hero {
        min-height: 80vh;
        padding: 80px var(--spacing-md) var(--spacing-xl);
    }
}

@media (max-width: 640px) {
    .section-title {
        font-size: var(--font-size-xl);
    }

    .card, .glass-card {
        padding: var(--spacing-lg);
    }

    .btn {
        padding: 0.7rem 1.5rem;
        font-size: var(--font-size-sm);
    }
}