/* Footer */
.footer {
    position: relative;
    overflow: hidden;
    padding: 0;
    background: linear-gradient(180deg, 
        var(--color-bg-primary) 0%,
        rgba(10, 10, 15, 0.98) 50%,
        #050508 100%
    );
}

/* Background Effects */
.footer-bg-effects {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.footer-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
}

.footer-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    will-change: transform, opacity;
    transform: translateZ(0);
}

.footer-glow-1 {
    width: 400px;
    height: 400px;
    background: var(--neon-cyan);
    top: -100px;
    left: 10%;
    animation: footerGlow1 8s ease-in-out infinite;
}

.footer-glow-2 {
    width: 300px;
    height: 300px;
    background: var(--neon-purple);
    bottom: 0;
    right: 15%;
    animation: footerGlow2 10s ease-in-out infinite;
}

@keyframes footerGlow1 {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.3; }
    50% { transform: translate(50px, 30px) scale(1.2); opacity: 0.5; }
}

@keyframes footerGlow2 {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.3; }
    50% { transform: translate(-30px, -20px) scale(1.1); opacity: 0.4; }
}

body.low-perf .footer-glow {
    animation: none !important;
    filter: blur(40px);
}

@media (prefers-reduced-motion: reduce) {
    .footer-glow {
        animation: none !important;
        filter: blur(40px);
    }
}

/* CTA section */
.footer-cta-section {
    position: relative;
    padding: var(--space-4xl) var(--space-3xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3xl);
    border-bottom: 1px solid rgba(0, 240, 255, 0.1);
}

.footer-cta-content {
    max-width: 600px;
}

.footer-cta-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--neon-cyan);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: var(--space-lg);
    padding: var(--space-xs) var(--space-md);
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: var(--radius-full);
}

.tag-dot {
    width: 6px;
    height: 6px;
    background: var(--neon-cyan);
    border-radius: 50%;
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 10px var(--neon-cyan); }
    50% { opacity: 0.5; box-shadow: 0 0 5px var(--neon-cyan); }
}

.footer-cta-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.cta-line {
    display: block;
    color: var(--text-primary);
}

.cta-highlight {
    background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-purple) 50%, var(--neon-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-cta-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.footer-cta-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.footer-cta-buttons .btn {
    padding: var(--space-md) var(--space-xl);
}

.footer-cv-btn .btn-text {
    margin-right: var(--space-sm);
}

/* Footer Terminal */
.footer-terminal {
    background: rgba(10, 10, 15, 0.9);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: var(--radius-lg);
    overflow: hidden;
    width: 300px;
    flex-shrink: 0;
    box-shadow: 
        0 0 30px rgba(0, 240, 255, 0.1),
        inset 0 0 30px rgba(0, 0, 0, 0.5);
    animation: terminalFloat 6s ease-in-out infinite;
}

@keyframes terminalFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.terminal-dots {
    display: flex;
    gap: 6px;
    padding: var(--space-sm) var(--space-md);
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(0, 240, 255, 0.1);
}

.terminal-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-dots span:nth-child(1) { background: #ff5f56; }
.terminal-dots span:nth-child(2) { background: #ffbd2e; }
.terminal-dots span:nth-child(3) { background: #27ca40; }

.terminal-content {
    padding: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
}

.t-prompt {
    color: var(--neon-cyan);
    font-weight: 700;
}

.t-cmd {
    color: var(--neon-purple);
}

.t-output {
    color: var(--neon-green);
}

.t-cursor {
    color: var(--neon-cyan);
    animation: cursorBlink 1s step-end infinite;
}

@keyframes cursorBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Footer Main Content */
.footer-content {
    position: relative;
    padding: var(--space-4xl) var(--space-3xl) var(--space-xl);
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

/* Footer Brand */
.footer-brand {
    max-width: 350px;
}

.footer-logo-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--neon-cyan);
    text-shadow: var(--glow-cyan);
    line-height: 1;
}

.footer-logo-dot {
    width: 12px;
    height: 12px;
    background: var(--neon-pink);
    border-radius: 50%;
    animation: logoDotPulse 2s ease-in-out infinite;
    box-shadow: 0 0 20px var(--neon-pink);
}

@keyframes logoDotPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

/* Footer Social */
.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.footer-social-link svg {
    width: 20px;
    height: 20px;
}

.footer-social-link:hover {
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.2);
}

/* Footer Columns */
.footer-col {
    display: flex;
    flex-direction: column;
}

.footer-col-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
}

.col-title-icon {
    font-size: 1rem;
}

/* Footer Navigation */
.footer-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: var(--space-xs) 0;
    transition: all var(--transition-normal);
}

.link-arrow {
    color: var(--neon-cyan);
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition-normal);
}

.footer-link:hover {
    color: var(--neon-cyan);
    transform: translateX(5px);
}

.footer-link:hover .link-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* Footer Contact Info */
.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition-normal);
}

.footer-contact-item:hover {
    color: var(--neon-cyan);
}

.contact-icon {
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-availability {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--neon-green);
}

.availability-indicator {
    width: 8px;
    height: 8px;
    background: var(--neon-green);
    border-radius: 50%;
    animation: availabilityPulse 2s ease-in-out infinite;
    box-shadow: 0 0 10px var(--neon-green);
}

@keyframes availabilityPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.2); }
}

/* Footer Bottom */
.footer-bottom {
    padding-top: var(--space-xl);
}

.footer-line {
    position: relative;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 240, 255, 0.3), 
        rgba(139, 92, 246, 0.3), 
        rgba(255, 0, 170, 0.3), 
        transparent
    );
    margin-bottom: var(--space-xl);
    overflow: visible;
}

.line-glow {
    position: absolute;
    top: -2px;
    left: 0;
    width: 100px;
    height: 5px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    border-radius: 50%;
    filter: blur(3px);
    animation: lineGlowMove 8s ease-in-out infinite;
}

@keyframes lineGlowMove {
    0%, 100% { left: 0; }
    50% { left: calc(100% - 100px); }
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-copyright {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.copyright-symbol {
    color: var(--neon-cyan);
    font-weight: bold;
}

.copyright-year {
    color: var(--neon-purple);
    font-family: var(--font-mono);
}

.copyright-name {
    color: var(--text-secondary);
    font-weight: 600;
}

.copyright-dot {
    color: var(--neon-pink);
}

.footer-made {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.made-separator {
    color: var(--neon-purple);
}

.made-text {
    color: var(--text-secondary);
}

.heart {
    color: var(--neon-pink);
    animation: heartbeat 1.5s ease-in-out infinite;
    display: inline-block;
    filter: drop-shadow(0 0 5px var(--neon-pink));
}

.coffee {
    display: inline-block;
    animation: coffeeSteam 2s ease-in-out infinite;
    filter: drop-shadow(0 0 3px orange);
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

@keyframes coffeeSteam {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

/* Footer Tech Stack */
.footer-tech-stack {
    display: flex;
    gap: var(--space-xs);
}

.tech-item {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    padding: var(--space-xs) var(--space-sm);
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.15);
    border-radius: var(--radius-sm);
    color: var(--neon-cyan);
    transition: all var(--transition-fast);
}

.tech-item:hover {
    background: rgba(0, 240, 255, 0.15);
    border-color: var(--neon-cyan);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 240, 255, 0.2);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 10, 15, 0.9);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: var(--radius-lg);
    color: var(--neon-cyan);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 100;
    overflow: hidden;
}

.back-to-top-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 0%;
    background: linear-gradient(to top, rgba(0, 240, 255, 0.2), transparent);
    transition: height var(--transition-slow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--neon-cyan);
    transform: translateY(-5px);
    box-shadow: 
        0 10px 30px rgba(0, 240, 255, 0.3),
        inset 0 0 20px rgba(0, 240, 255, 0.1);
}

.back-to-top:hover svg {
    animation: arrowBounce 0.6s ease-in-out infinite;
}

@keyframes arrowBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

.back-to-top svg {
    width: 22px;
    height: 22px;
    position: relative;
    z-index: 1;
}