/* Custom styles to complement Tailwind CSS */

/* Contact Form Styles */
#contactForm input,
#contactForm textarea {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    transition: all 0.3s ease;
}

#contactForm input::placeholder,
#contactForm textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

#contactForm input:focus,
#contactForm textarea:focus {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Form label styling */
#contactForm label {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

/* Mobile menu styles */
.menu-toggle {
    cursor: pointer;
}

.nav-menu {
    transition: all 0.3s ease;
}

@media (max-width: 1024px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        max-height: 0;
        overflow: hidden;
    }
    
    .nav-menu.active {
        max-height: 400px;
        display: flex !important;
    }
}

/* Certificate Modal Styles */
.certificate-modal {
    display: none;
    position: fixed;
    z-index: 3000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.3s ease;
}

.certificate-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.certificate-modal-content {
    position: relative;
    background-color: white;
    border-radius: 16px;
    padding: 30px;
    max-width: 900px;
    width: 95%;
    max-height: 90vh;
    overflow: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUpFade 0.4s ease;
}

.certificate-modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2.5rem;
    cursor: pointer;
    color: #6b7280;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
    z-index: 10;
}

.certificate-modal-close:hover {
    background-color: #f3f4f6;
    color: #667eea;
    transform: scale(1.1);
}

.certificate-modal-header {
    margin-bottom: 25px;
    text-align: center;
}

.certificate-modal-header h2 {
    font-weight: 700;
    color: #1f2937;
}

.certificate-slider-container {
    position: relative;
    width: 100%;
    height: 400px;
    margin-bottom: 20px;
    background: #f9fafb;
    border-radius: 12px;
    overflow: hidden;
}

.certificate-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.certificate-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease-in-out;
    border-radius: 12px;
}

.certificate-slide.active {
    opacity: 1;
    z-index: 10;
}

.certificate-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Navigation Arrows */
.certificate-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    color: #667eea;
    font-size: 1.8rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-weight: bold;
}

.certificate-arrow:hover {
    background: #667eea;
    color: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.certificate-arrow-prev {
    left: 15px;
}

.certificate-arrow-next {
    right: 15px;
}

.certificate-arrow:active {
    transform: translateY(-50%) scale(0.95);
}

/* Dots Navigation */
.certificate-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 15px;
}

.certificate-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #d1d5db;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.certificate-dot:hover {
    background-color: #bfdbfe;
    transform: scale(1.2);
}

.certificate-dot.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    width: 32px;
    border-radius: 6px;
}

/* Counter */
.certificate-counter {
    text-align: center;
    color: #6b7280;
    font-weight: 600;
    font-size: 0.95rem;
}

/* Animations */
@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .certificate-modal-content {
        padding: 20px;
    }

    .certificate-slider-container {
        height: 300px;
    }

    .certificate-arrow {
        width: 40px;
        height: 40px;
        font-size: 1.4rem;
    }

    .certificate-arrow-prev {
        left: 10px;
    }

    .certificate-arrow-next {
        right: 10px;
    }

    .certificate-modal-close {
        font-size: 2rem;
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .certificate-modal-content {
        padding: 15px;
        border-radius: 12px;
    }

    .certificate-slider-container {
        height: 250px;
    }

    .certificate-arrow {
        width: 35px;
        height: 35px;
        font-size: 1.2rem;
    }

    .certificate-dot {
        width: 10px;
        height: 10px;
    }

    .certificate-dot.active {
        width: 28px;
    }
}

/* Award Modal Styles */
.award-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    animation: fadeIn 0.3s ease;
}

.award-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.award-modal-content {
    position: relative;
    background-color: white;
    border-radius: 12px;
    padding: 20px;
    max-width: 80%;
    max-height: 85vh;
    overflow: auto;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3);
    animation: slideUpFade 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.award-modal-image {
    width: 100%;
    height: auto;
    max-height: 80vh;
    border-radius: 8px;
    display: block;
    object-fit: contain;
}

.award-modal-close {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: #1f2937;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.award-modal-close:hover {
    background-color: #f3f4f6;
    color: #667eea;
}

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

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

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

/* ============ SCROLL REVEAL UTILITIES ============ */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
    will-change: opacity, transform;
}

.reveal.reveal-left {
    transform: translateX(-24px);
}

.reveal.reveal-right {
    transform: translateX(24px);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateX(0) translateY(0);
}

/* ============ HOVER ANIMATIONS ============ */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.hover-scale {
    transition: transform 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-glow {
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(102, 126, 234, 0.3);
    border-color: rgba(102, 126, 234, 0.5);
}

/* ============ INTERACTIVE ELEMENT TRANSITIONS ============ */
a, button, .project-item, .contact-item {
    transition: all 0.3s ease;
}

.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 999px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
}

.project-link.secondary {
    background: transparent;
    color: #4f46e5;
    border: 1px solid rgba(79, 70, 229, 0.4);
}

/* ============ CERTIFICATE SIZE ENHANCEMENTS ============ */
.certificate-slider-container {
    height: 520px;
}

@media (max-width: 768px) {
    .certificate-slider-container {
        height: 320px;
    }

}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .hover-lift,
    .hover-scale,
    .hover-glow {
        transition: none;
    }

    .hover-lift:hover,
    .hover-scale:hover {
        transform: none;
        box-shadow: none;
    }
}