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

.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: auto;
}

[data-theme="dark"] .footer {
    background: var(--bg-light);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.footer-brand-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'JetBrains Mono', monospace;
}

.footer-description {
    color: var(--text-light);
    margin: 0;
    line-height: 1.6;
}

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

.footer-section h4 {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

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

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
    font-size: var(--font-size-sm);
}

.footer-section a:hover,
.footer-section a:focus {
    color: var(--primary-color);
    transform: translateX(3px);
}

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

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(167, 164, 89, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
    font-size: var(--font-size-base);
}

.footer-social a:hover,
.footer-social a:focus {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(167, 164, 89, 0.2);
}

.footer-copyright p,
.footer-credits p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ========================================
   PROJECT MODAL
======================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: var(--spacing-lg);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-hover);
    transform: scale(0.7);
    transition: var(--transition);
    position: relative;
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    border-bottom: 1px solid rgba(167, 164, 89, 0.2);
}

.modal-title {
    font-size: var(--font-size-2xl);
    color: var(--text-dark);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    color: var(--text-light);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover,
.modal-close:focus {
    background: var(--error-color);
    color: white;
}

.modal-body {
    padding: var(--spacing-xl);
}

.modal-image {
    margin-bottom: var(--spacing-xl);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.modal-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.modal-description {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.modal-features {
    margin-bottom: var(--spacing-xl);
}

.modal-features h4 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.modal-features ul {
    list-style: none;
    padding: 0;
}

.modal-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

.modal-features li::before {
    content: '✓';
    color: var(--success-color);
    font-weight: bold;
    font-size: var(--font-size-lg);
}

.modal-tech {
    margin-bottom: var(--spacing-xl);
}

.modal-tech h4 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.tech-stack-modal {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tech-stack-modal .tech-tag {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.modal-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ========================================
   WHATSAPP FLOAT BUTTON
======================================== */

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1500;
}

.whatsapp-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    border: none;
    border-radius: 50%;
    box-shadow: var(--shadow-hover);
    cursor: pointer;
    transition: var(--transition);
    font-size: var(--font-size-xl);
    animation: pulse 2s infinite;
}

.whatsapp-btn:hover,
.whatsapp-btn:focus {
    background: #128C7E;
    transform: scale(1.1);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* ========================================
   ANIMATIONS AND UTILITIES
======================================== */

/* Loading Animation */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.fa-spin {
    animation: spin 1s linear infinite;
}

/* Fade In Animation */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Scroll Reveal Animation */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease-out;
    transition-delay: var(--reveal-delay, 0ms);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Tiltable cards fallback smoothing */
.tiltable {
    will-change: transform;
    transition: transform 0.15s ease;
}

/* Typing Animation */
@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blink-caret {
    from, to {
        border-color: transparent;
    }
    50% {
        border-color: var(--primary-color);
    }
}

.typing-animation {
    overflow: hidden;
    border-right: 3px solid var(--primary-color);
    white-space: nowrap;
    margin: 0 auto;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

/* Accessibility Utilities */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Focus Styles */
.focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000000;
        --secondary-color: #FFFFFF;
        --text-dark: #000000;
        --text-light: #333333;
        --bg-light: #FFFFFF;
        --bg-card: #FFFFFF;
    }

    [data-theme="dark"] {
        --primary-color: #FFFFFF;
        --secondary-color: #000000;
        --text-dark: #FFFFFF;
        --text-light: #CCCCCC;
        --bg-light: #000000;
        --bg-card: #000000;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .profile-pic {
        animation: none;
    }

    .whatsapp-btn {
        animation: none;
    }
}

/* Print Styles */
@media print {
    .main-header,
    .whatsapp-float,
    .modal,
    .nav-actions {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }

    .section {
        page-break-inside: avoid;
    }

    .project-card,
    .service-card {
        break-inside: avoid;
    }

    body {
        background: white !important;
        color: black !important;
    }

    a {
        text-decoration: underline;
    }

    .btn {
        border: 1px solid black;
    }
}

/* ========================================
   RESPONSIVE DESIGN - MOBILE OPTIMIZATIONS
======================================== */

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

    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .modal {
        padding: var(--spacing-md);
    }

    .modal-content {
        max-height: 95vh;
    }

    .modal-header,
    .modal-body {
        padding: var(--spacing-lg);
    }

    .modal-links {
        justify-content: center;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
    }

    .whatsapp-btn {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
    }
}

@media (max-width: 480px) {
    .footer-social {
        justify-content: center;
    }

    .modal-header {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: flex-start;
    }

    .modal-close {
        align-self: flex-end;
    }

    .modal-links {
        flex-direction: column;
        align-items: center;
    }

    .modal-links .btn {
        width: 100%;
        justify-content: center;
    }
}