/* ===================================
   FOOTER
   =================================== */

footer {
    background: var(--primary);
    color: white;
    padding: var(--spacing-4xl) 2rem var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1) 20%,
        rgba(255, 255, 255, 0.1) 80%,
        transparent
    );
}

footer::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
    position: relative;
    z-index: 1;
}

.footer-brand {
    max-width: 400px;
}

.footer-brand h3 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.footer-brand h3 span {
    background: linear-gradient(135deg, #60A5FA, #F59E0B);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--spacing-lg);
    font-size: var(--text-sm);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
}

.footer-links h4 {
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    font-size: var(--text-base);
    color: white;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-base);
    font-size: var(--text-sm);
    display: inline-block;
    position: relative;
}

.footer-links a::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition-base);
}

.footer-links a:hover {
    color: white;
    transform: translateX(4px);
}

.footer-links a:hover::before {
    width: 100%;
}

.footer-newsletter {
    margin-top: var(--spacing-lg);
}

.footer-newsletter h4 {
    font-size: var(--text-base);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-newsletter p {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
}

.newsletter-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    color: white;
    font-size: var(--text-sm);
    transition: all var(--transition-base);
}

.newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.15);
}

.newsletter-button {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: var(--text-sm);
}

.newsletter-button:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
}

.footer-bottom {
    max-width: 1280px;
    margin: 0 auto;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--text-sm);
    position: relative;
    z-index: 1;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-base);
}

.footer-legal a:hover {
    color: white;
}

@media (max-width: 968px) {
    .footer-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-legal {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}