/**
 * Component Styles
 * 
 * @package Saifeng
 * @since 1.0.0
 */

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s var(--transition-smooth);
    text-decoration: none;
    border: none;
}

.btn-primary {
    background: var(--gradient-bright);
    color: var(--white);
    box-shadow: 0 10px 30px rgba(30, 80, 230, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(30, 80, 230, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--gray-800);
    border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
    border-color: var(--electric-blue);
    color: var(--electric-blue);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
    background: var(--white);
    color: var(--dark-blue);
    border-color: var(--white);
}

.btn svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

/* ===== CARDS ===== */
.card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s var(--transition-smooth);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(30, 80, 230, 0.15);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: 24px;
}

.card-title {
    font-size: 18px;
    color: var(--gray-800);
    margin-bottom: 12px;
}

.card-desc {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===== TAGS ===== */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(30, 80, 230, 0.1);
    color: var(--electric-blue);
    font-size: 12px;
    font-weight: 500;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tag-primary {
    background: var(--electric-blue);
    color: var(--white);
}

.tag-success {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.tag-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    font-size: 15px;
    color: var(--gray-800);
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    transition: all 0.3s var(--transition-smooth);
}

.form-input:focus {
    outline: none;
    border-color: var(--electric-blue);
    box-shadow: 0 0 0 4px rgba(30, 80, 230, 0.1);
}

.form-input::placeholder {
    color: var(--gray-400);
}

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

/* ===== STATS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: 'Oswald', sans-serif;
    font-size: 56px;
    font-weight: 700;
    color: var(--electric-blue);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: 100px 80px;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.cta-card {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 60px;
    max-width: 1600px;
    margin: 0 auto;
    padding: 60px 80px;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
}

.cta-content h2 {
    font-size: clamp(28px, 4vw, 40px);
    color: var(--white);
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    gap: 16px;
}

/* ===== LOADING ===== */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--electric-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    .cta-section {
        padding: 80px 40px;
    }
    
    .cta-card {
        padding: 48px 60px;
    }
    
    .stats-grid {
        gap: 30px;
    }
}

@media (max-width: 992px) {
    .cta-card {
        grid-template-columns: 1fr;
        padding: 48px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .cta-section {
        padding: 60px 20px;
    }
    
    .cta-card {
        padding: 32px 24px;
    }
    
    .cta-actions {
        flex-direction: column;
    }
    
    .cta-actions .btn {
        text-align: center;
    }
    
    .stat-number {
        font-size: 42px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    
    .stat-number {
        font-size: 36px;
    }
}