/* ========================
   PROJECTS HERO SECTION
======================== */

.projects-hero {
    padding: 150px 0;
    background: linear-gradient(135deg, #0B1F5B 0%, #1E88FF 50%, #2196F3 100%);
    color: white;
    position: relative;
    overflow: hidden;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Floating Shapes Animation */
.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    animation: float 8s ease-in-out infinite;
}

.shape1 {
    width: 300px;
    height: 300px;
    top: -100px;
    right: -50px;
    animation-duration: 8s;
}

.shape2 {
    width: 200px;
    height: 200px;
    bottom: -50px;
    left: -50px;
    animation-duration: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(10deg);
    }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-tag {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 12px 30px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    backdrop-filter: blur(10px);
    margin-bottom: 25px;
}

.projects-hero h1 {
    font-size: 60px;
    font-weight: 800;
    margin: 20px 0;
    line-height: 1.2;
    animation: slideDown 0.8s ease;
}

.projects-hero p {
    font-size: 18px;
    margin-top: 20px;
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Hero */
@media (max-width: 991px) {
    .projects-hero {
        padding: 100px 0;
        min-height: auto;
    }

    .projects-hero h1 {
        font-size: 42px;
    }

    .projects-hero p {
        font-size: 16px;
    }
}

@media (max-width: 576px) {
    .projects-hero {
        padding: 80px 0;
    }

    .projects-hero h1 {
        font-size: 32px;
    }

    .shape1, .shape2 {
        display: none;
    }
}

/* ========================
   FILTER SECTION
======================== */

.filter-section {
    padding: 50px 0;
    background: #ffffff;
    border-bottom: 2px solid #f0f0f0;
    position: sticky;
    top: 80px;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.filter-btn {
    padding: 12px 28px;
    border: 2px solid #1E88FF;
    background: white;
    color: #1E88FF;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    letter-spacing: 0.5px;
}

.filter-btn:hover {
    background: #1E88FF;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(30, 136, 255, 0.3);
}

.filter-btn.active {
    background: linear-gradient(135deg, #0B1F5B, #1E88FF);
    color: white;
    border-color: transparent;
}

@media (max-width: 576px) {
    .filter-section {
        padding: 30px 0;
        top: 60px;
    }

    .filter-buttons {
        gap: 10px;
    }

    .filter-btn {
        padding: 10px 18px;
        font-size: 12px;
    }
}

/* ========================
   PROJECTS SHOWCASE
======================== */

.projects-showcase {
    padding: 80px 0;
    background: #f8fbff;
    min-height: 60vh;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    animation: fadeIn 0.6s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* PROJECT CARD */
.project-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%;
    animation: cardAppear 0.5s ease forwards;
    opacity: 0;
}

@keyframes cardAppear {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }
.project-card:nth-child(5) { animation-delay: 0.5s; }
.project-card:nth-child(6) { animation-delay: 0.6s; }
.project-card:nth-child(7) { animation-delay: 0.7s; }
.project-card:nth-child(8) { animation-delay: 0.8s; }

.project-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 50px rgba(30, 136, 255, 0.25);
}

.project-image {
    width: 100%;
    height: 220px;
    background: linear-gradient(135deg, #0B1F5B, #1E88FF);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-image-icon {
    font-size: 50px;
    opacity: 0.8;
    z-index: 1;
}

.project-category-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 255, 255, 0.95);
    color: #1E88FF;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
    z-index: 2;
}

.project-info {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #0B1F5B;
    margin-bottom: 10px;
}

.project-card p {
    color: #6c757d;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
    flex: 1;
}

.project-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #f0f0f0;
}

.student-name {
    font-size: 12px;
    color: #1E88FF;
    font-weight: 600;
}

.view-btn {
    background: linear-gradient(135deg, #0B1F5B, #1E88FF);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.view-btn:hover {
    transform: translateX(3px);
    box-shadow: 0 5px 15px rgba(30, 136, 255, 0.3);
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 576px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-image {
        height: 180px;
    }

    .project-image-icon {
        font-size: 40px;
    }
}

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

.project-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    padding: 20px;
    animation: fadeInModal 0.3s ease;
    overflow-y: auto;
}

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

.modal-content {
    background: white;
    border-radius: 25px;
    max-width: 900px;
    width: 100%;
    position: relative;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
    animation: slideUpModal 0.4s ease;
}

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

.close-modal {
    position: absolute;
    top: 25px;
    right: 25px;
    background: none;
    border: none;
    font-size: 35px;
    color: #0B1F5B;
    cursor: pointer;
    z-index: 1001;
    transition: transform 0.2s ease;
}

.close-modal:hover {
    transform: rotate(90deg);
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 40px;
}

#modalImage {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: 15px;
}

.modal-text h2 {
    color: #0B1F5B;
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 10px;
}

.project-category {
    display: inline-block;
    background: #eaf4ff;
    color: #1E88FF;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 20px;
}

.modal-text > p:nth-of-type(2) {
    color: #6c757d;
    line-height: 1.8;
    margin-bottom: 25px;
}

.tech-stack h4 {
    color: #0B1F5B;
    font-weight: 700;
    margin-bottom: 12px;
}

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 25px;
}

.tech-badge {
    background: linear-gradient(135deg, #0B1F5B, #1E88FF);
    color: white;
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.project-details {
    margin: 25px 0;
}

.detail-item {
    margin-bottom: 18px;
}

.detail-item strong {
    color: #0B1F5B;
    display: block;
    margin-bottom: 5px;
}

.detail-item p {
    color: #6c757d;
    margin: 0;
}

.project-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.project-links .btn {
    flex: 1;
    padding: 12px 20px;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.project-links .btn-primary {
    background: linear-gradient(135deg, #0B1F5B, #1E88FF);
    color: white;
    border: none;
}

.project-links .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(30, 136, 255, 0.3);
    color: white;
}

.project-links .btn-outline-primary {
    border: 2px solid #1E88FF;
    color: #1E88FF;
    background: transparent;
}

.project-links .btn-outline-primary:hover {
    background: #1E88FF;
    color: white;
}

@media (max-width: 768px) {
    .modal-body {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 30px 25px;
    }

    #modalImage {
        height: 280px;
    }

    .modal-text h2 {
        font-size: 24px;
    }

    .project-links {
        flex-direction: column;
    }

    .close-modal {
        top: 15px;
        right: 15px;
    }
}

@media (max-width: 576px) {
    .project-modal {
        padding: 0;
    }

    .modal-content {
        border-radius: 20px;
        max-height: 90vh;
    }

    .modal-body {
        padding: 25px 20px;
    }

    #modalImage {
        height: 220px;
    }

    .modal-text h2 {
        font-size: 20px;
    }
}

/* ========================
   STATS SECTION
======================== */

.stats-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #0B1F5B 0%, #1E88FF 100%);
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px 30px;
    border-radius: 20px;
    color: white;
    transition: all 0.4s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-10px);
    border-color: rgba(255, 255, 255, 0.4);
}

.stat-number {
    font-size: 45px;
    font-weight: 800;
    margin-bottom: 10px;
}

.stat-card p {
    font-size: 16px;
    opacity: 0.9;
    margin: 0;
}

@media (max-width: 576px) {
    .stats-section {
        padding: 60px 0;
    }

    .stat-card {
        padding: 30px 20px;
        margin-bottom: 20px;
    }

    .stat-number {
        font-size: 35px;
    }
}

/* ========================
   CTA SECTION
======================== */

.cta-section {
    padding: 100px 0;
    background: white;
    text-align: center;
}

.cta-section h2 {
    font-size: 42px;
    font-weight: 800;
    color: #0B1F5B;
    margin-bottom: 15px;
}

.cta-section p {
    font-size: 18px;
    color: #6c757d;
    margin-bottom: 30px;
}

.cta-btn {
    background: linear-gradient(135deg, #0B1F5B, #1E88FF);
    color: white;
    border: none;
    padding: 15px 45px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(30, 136, 255, 0.3);
    color: white;
}

@media (max-width: 576px) {
    .cta-section {
        padding: 60px 0;
    }

    .cta-section h2 {
        font-size: 28px;
    }

    .cta-section p {
        font-size: 16px;
    }

    .cta-btn {
        width: 100%;
    }
}

/* ========================
   HIDE ANIMATION
======================== */

.project-card.hide {
    animation: slideOutCard 0.3s ease forwards;
}

@keyframes slideOutCard {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.95);
    }
}