/* ========================================
   FOOTER STYLES WITH WAVE EFFECT
   ======================================== */

#footer {
    background: linear-gradient(135deg, var(--dark), var(--dark-light));
    color: var(--light);
    position: relative;
    overflow: hidden;
    padding-top: 0;
}

.dark-mode #footer {
    background: linear-gradient(135deg, var(--light), var(--gray-light));
    color: var(--dark);
}

/* Wave Effect */
.waves {
    position: absolute;
    top: -80px;
    left: 0;
    width: 100%;
    height: 80px;
    overflow: hidden;
}

.wave {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: url(../assets/images/wave.png);
    background-size: 1000px 80px;
    background-repeat: repeat-x;
    animation: waveMove 6s linear infinite;
    transform: translateY(0px);
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.wave#wave1 {
    z-index: 1000;
    opacity: 1;
    background: url(../assets/images/wave.png);
    background-size: 1000px 80px;
    background-repeat: repeat-x;
    animation: waveMove 6s linear infinite;
}

.wave#wave2 {
    z-index: 999;
    opacity: 0.8;
    background: url(../assets/images/wave.png);
    background-size: 1000px 80px;
    background-repeat: repeat-x;
    animation: waveMove 8s linear infinite;
}

.wave#wave3 {
    z-index: 998;
    opacity: 0.6;
    background: url(../assets/images/wave.png);
    background-size: 1000px 80px;
    background-repeat: repeat-x;
    animation: waveMove 10s linear infinite;
}

.wave#wave4 {
    z-index: 997;
    opacity: 0.4;
    background: url(../assets/images/wave.png);
    background-size: 1000px 80px;
    background-repeat: repeat-x;
    animation: waveMove 12s linear infinite;
}

/* Wave Animation */
@keyframes waveMove {
    0% {
        background-position-x: 0px;
    }
    100% {
        background-position-x: 1000px;
    }
}

/* Dark Mode Wave Adjustments */
.dark-mode .wave {
    filter: brightness(0.8);
}

/* Footer Content */
.footer-content {
    padding: 80px 0 40px;
    position: relative;
    z-index: 2;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

/* Footer Brand */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.footer-logo .logo-icon {
    font-size: 2.5rem;
    animation: bounce 2s infinite;
}

.footer-logo .logo-text span {
    color: var(--secondary);
}

.footer-brand p {
    font-size: 1.1rem;
    color: var(--gray-light);
    line-height: 1.8;
    max-width: 400px;
}

.dark-mode .footer-brand p {
    color: var(--gray);
}

/* Footer Links */
.footer-links h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 25px;
    color: var(--light);
    position: relative;
}

.dark-mode .footer-links h4 {
    color: var(--dark);
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-links a {
    color: var(--gray-light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.dark-mode .footer-links a {
    color: var(--gray);
}

.footer-links a:hover {
    color: var(--primary);
    transform: translateX(5px);
}

.footer-links a::before {
    content: '→';
    font-size: 0.9rem;
    opacity: 0;
    transition: var(--transition);
}

.footer-links a:hover::before {
    opacity: 1;
}

/* Footer Tech */
.footer-tech h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 25px;
    color: var(--light);
    position: relative;
}

.dark-mode .footer-tech h4 {
    color: var(--dark);
}

.footer-tech h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
}

.tech-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.tech-icons i {
    font-size: 1.8rem;
    color: var(--gray-light);
    transition: var(--transition);
    cursor: pointer;
}

.dark-mode .tech-icons i {
    color: var(--gray);
}

.tech-icons i:hover {
    color: var(--primary);
    transform: translateY(-3px) scale(1.1);
    filter: drop-shadow(0 5px 15px rgba(99, 102, 241, 0.3));
}

/* Tech Icon Colors */
.tech-icons .fa-html5:hover { color: #e34f26; }
.tech-icons .fa-css3-alt:hover { color: #1572b6; }
.tech-icons .fa-js:hover { color: #f7df1e; }
.tech-icons .fa-react:hover { color: #61dafb; }
.tech-icons .fa-node:hover { color: #339933; }
.tech-icons .fa-python:hover { color: #3776ab; }
.tech-icons .fa-git-alt:hover { color: #f05032; }

/* Footer Bottom */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: 20px;
}

.dark-mode .footer-bottom {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-bottom p {
    color: var(--gray-light);
    font-size: 0.95rem;
}

.dark-mode .footer-bottom p {
    color: var(--gray);
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social .social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-light);
    font-size: 1.1rem;
    transition: var(--transition);
    text-decoration: none;
}

.dark-mode .footer-social .social-link {
    background: rgba(0, 0, 0, 0.1);
    color: var(--gray);
}

.footer-social .social-link:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

/* Responsive Design */
@media (max-width: 992px) {
    .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .footer-brand {
        grid-column: 1 / -1;
        text-align: center;
    }

    .footer-brand p {
        margin: 0 auto;
    }

    .footer-links h4::after,
    .footer-tech h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-links ul {
        align-items: center;
    }

    .tech-icons {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .footer-links h4::after,
    .footer-tech h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-links ul {
        align-items: center;
    }

    .tech-icons {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .waves {
        top: -60px;
        height: 60px;
    }

    .wave {
        height: 60px;
        background-size: 800px 60px;
    }

    .wave#wave1,
    .wave#wave2,
    .wave#wave3,
    .wave#wave4 {
        background-size: 800px 60px;
    }
}

@media (max-width: 480px) {
    .footer-content {
        padding: 60px 0 30px;
    }

    .footer-main {
        gap: 30px;
    }

    .footer-brand {
        gap: 15px;
    }

    .footer-logo {
        font-size: 1.5rem;
    }

    .footer-logo .logo-icon {
        font-size: 2rem;
    }

    .footer-brand p {
        font-size: 1rem;
    }

    .footer-links h4,
    .footer-tech h4 {
        font-size: 1.2rem;
        margin-bottom: 20px;
    }

    .tech-icons i {
        font-size: 1.5rem;
    }

    .waves {
        top: -50px;
        height: 50px;
    }

    .wave {
        height: 50px;
        background-size: 600px 50px;
    }

    .wave#wave1,
    .wave#wave2,
    .wave#wave3,
    .wave#wave4 {
        background-size: 600px 50px;
    }
}

/* Wave Fallback (CSS-only) */
@keyframes waveMove {
    0% {
        background-position-x: 0px;
    }
    100% {
        background-position-x: 1000px;
    }
}

/* Enhanced Wave Effects */
.wave::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: inherit;
    background-size: inherit;
    background-repeat: inherit;
    animation: inherit;
    animation-direction: reverse;
    opacity: 0.3;
}

/* Wave Glow Effect */
.wave#wave1::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
    animation: waveGlow 4s ease-in-out infinite;
}

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

/* Footer Animation on Scroll */
#footer.animate {
    animation: footerSlideUp 1s ease-out;
}

@keyframes footerSlideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer Links Hover Animation */
.footer-links a {
    position: relative;
    overflow: hidden;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -100%;
    width: 100%;
    height: 1px;
    background: var(--gradient-primary);
    transition: left 0.3s ease;
}

.footer-links a:hover::after {
    left: 0;
}

/* Tech Icons Stagger Animation */
.tech-icons i {
    animation: techIconFloat 3s ease-in-out infinite;
}

.tech-icons i:nth-child(1) { animation-delay: 0s; }
.tech-icons i:nth-child(2) { animation-delay: 0.2s; }
.tech-icons i:nth-child(3) { animation-delay: 0.4s; }
.tech-icons i:nth-child(4) { animation-delay: 0.6s; }
.tech-icons i:nth-child(5) { animation-delay: 0.8s; }
.tech-icons i:nth-child(6) { animation-delay: 1s; }
.tech-icons i:nth-child(7) { animation-delay: 1.2s; }

@keyframes techIconFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}