/* ===================================
   BOTONES Y COMPONENTES REUTILIZABLES
   =================================== */

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--text-sm);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slower);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    border-color: white;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-outline {
    background: white;
    color: var(--accent);
    border: 2px solid var(--accent);
}

.btn-outline:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.cta-button {
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--text-sm);
    transition: all var(--transition-base);
    border: none;
    box-shadow: var(--shadow-sm);
}

.cta-button:hover {
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-primary {
    background: var(--accent);
    color: white;
}

.badge-secondary {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* Tarjetas */
.card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-slow);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    padding: 2px;
    background: linear-gradient(135deg, var(--accent), var(--accent-warm));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.card:hover::before {
    opacity: 1;
}

/* Sección Header */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%);
    color: var(--accent);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--text-sm);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: 800;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
    line-height: var(--leading-tight);
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: var(--spacing-4xl) 2rem;
}

/* Grid Utilities */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

/* Animaciones */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease both;
}

.fade-in {
    animation: fadeIn 0.6s ease both;
}

.scale-in {
    animation: scaleIn 0.6s ease both;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* Divider */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    margin: var(--spacing-3xl) 0;
}

/* Responsive */
@media (max-width: 1280px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

@media (max-width: 968px) {
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .section-header h2 {
        font-size: var(--text-3xl);
    }
    
    .section-header p {
        font-size: var(--text-base);
    }
    
    .section {
        padding: var(--spacing-3xl) 1.5rem;
    }
    
    .card {
        padding: var(--spacing-lg);
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: var(--text-sm);
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 1rem;
    }
    
    .section {
        padding: var(--spacing-2xl) 1rem;
    }
    
    .section-header {
        margin-bottom: var(--spacing-2xl);
    }
    
    .section-header h2 {
        font-size: var(--text-2xl);
    }
    
    .section-tag {
        font-size: var(--text-xs);
        padding: 0.375rem 1rem;
    }
    
    .card {
        padding: var(--spacing-md);
    }
    
    .stat-number {
        font-size: var(--text-4xl);
    }
}

@media (max-width: 480px) {
    .section-header h2 {
        font-size: var(--text-xl);
    }
}