/* ============================================================
   SOLVATECH - PORTFOLIO CSS
   Specific to portfolio.html
   ============================================================ */

/* ============================================================
   SHORT HERO
   ============================================================ */

.hero-short {
    padding: 3rem 0 2rem;
    text-align: center;
    background: linear-gradient(145deg, #0B1A2E 0%, #1E3A5F 60%, #1E88E5 100%);
    color: #FFFFFF;
    position: relative;
    overflow: hidden;
    min-height: 35vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-short .hero-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.hero-short .hero-bg-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
}

.hero-short-content {
    position: relative;
    z-index: 2;
}

.hero-short-title {
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: 2px;
}

.hero-short-tagline {
    font-size: 1.2rem;
    color: #64B5F6;
    font-weight: 300;
    margin-top: 0.3rem;
}

/* ============================================================
   FILTER TABS
   ============================================================ */

.portfolio-filter-section {
    padding: 2rem 0 1.5rem;
    background: #FFFFFF;
}

.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.filter-tab {
    padding: 0.5rem 1.2rem;
    border: 2px solid #dce4f0;
    border-radius: 30px;
    background: transparent;
    font-size: 0.8rem;
    font-weight: 600;
    color: #555;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-tab:hover {
    border-color: #1E88E5;
    color: #1E88E5;
}

.filter-tab.active {
    background: #1E88E5;
    border-color: #1E88E5;
    color: #FFFFFF;
}

/* ============================================================
   PORTFOLIO GRID
   ============================================================ */

.portfolio-grid-section {
    padding: 1.5rem 0 4rem;
    background: linear-gradient(180deg, #F5F8FC 0%, #FFFFFF 100%);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

/* ============================================================
   PORTFOLIO ITEM
   ============================================================ */

.portfolio-item {
    background: #FFFFFF;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    border: 1px solid rgba(0, 0, 0, 0.04);
    cursor: pointer;
}

.portfolio-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

/* ---- Image ---- */
.portfolio-image-wrapper {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: #F5F8FC;
}

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

.portfolio-item:hover .portfolio-image-wrapper img {
    transform: scale(1.05);
}

/* ---- Overlay ---- */
.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 26, 46, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-view-btn {
    padding: 0.6rem 1.5rem;
    background: #1E88E5;
    color: #FFFFFF;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.portfolio-view-btn:hover {
    background: #1565C0;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(30, 136, 229, 0.3);
}

/* ---- Content ---- */
.portfolio-item-content {
    padding: 1.2rem 1.5rem 1.5rem;
}

.portfolio-item-content h3 {
    font-size: 1.1rem;
    color: #0B1A2E;
    margin-bottom: 0.2rem;
}

.portfolio-category {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #1E88E5;
    background: rgba(30, 136, 229, 0.08);
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    margin-bottom: 0.5rem;
}

.portfolio-item-content p {
    color: #555;
    font-size: 0.85rem;
    line-height: 1.5;
    margin: 0;
}

/* ============================================================
   PROJECT MODAL (No Close Button)
   ============================================================ */

.project-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.project-modal-overlay.active {
    display: flex;
}

.project-modal {
    background: #FFFFFF;
    border-radius: 20px;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.3);
    animation: modalPop 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.project-modal::-webkit-scrollbar {
    width: 4px;
}
.project-modal::-webkit-scrollbar-track {
    background: transparent;
}
.project-modal::-webkit-scrollbar-thumb {
    background: #1E88E5;
    border-radius: 4px;
}

.project-modal-content {
    background: #FFFFFF;
    border-radius: 20px;
    overflow: hidden;
}

.project-modal-image {
    width: 100%;
    height: 300px;
    background: #0B1A2E;
    overflow: hidden;
}

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

.project-modal-body {
    padding: 2.5rem;
}

.modal-project-category {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #1E88E5;
    background: rgba(30, 136, 229, 0.08);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    margin-bottom: 0.5rem;
}

.project-modal-body h2 {
    font-size: 2rem;
    color: #0B1A2E;
    margin-bottom: 1.2rem;
}

.modal-project-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
    background: #F5F8FC;
    padding: 1.2rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.modal-meta-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    color: #555;
}

.modal-meta-item i {
    color: #1E88E5;
    width: 18px;
    font-size: 0.9rem;
}

.modal-meta-item strong {
    color: #0B1A2E;
    font-weight: 600;
}

.modal-project-desc h4 {
    font-size: 1rem;
    color: #0B1A2E;
    margin-bottom: 0.3rem;
    font-weight: 700;
}

.modal-project-desc h4:not(:first-child) {
    margin-top: 1rem;
}

.modal-project-desc p {
    color: #444;
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.modal-project-actions {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.modal-project-actions .btn-primary {
    width: 100%;
    justify-content: center;
    text-align: center;
}

/* ============================================================
   FILTER ANIMATION
   ============================================================ */

.portfolio-item {
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.portfolio-item.hide {
    display: none;
}

.portfolio-item.show {
    display: block;
    animation: fadeInUp 0.5s ease forwards;
}

/* ============================================================
   DARK MODE
   ============================================================ */

body.dark-mode .portfolio-filter-section {
    background: #0a1a2a;
}

body.dark-mode .filter-tab {
    border-color: #2a4a5a;
    color: #8aaabc;
}

body.dark-mode .filter-tab:hover {
    border-color: #1E88E5;
    color: #64B5F6;
}

body.dark-mode .filter-tab.active {
    background: #1E88E5;
    border-color: #1E88E5;
    color: #FFFFFF;
}

body.dark-mode .portfolio-grid-section {
    background: linear-gradient(180deg, #0a1a2a 0%, #0f1f2f 100%);
}

body.dark-mode .portfolio-item {
    background: #122a3a;
    border-color: rgba(255, 255, 255, 0.04);
}

body.dark-mode .portfolio-item-content h3 {
    color: #eef4ff;
}

body.dark-mode .portfolio-category {
    background: rgba(30, 136, 229, 0.15);
}

body.dark-mode .portfolio-item-content p {
    color: #8aaabc;
}

body.dark-mode .portfolio-overlay {
    background: rgba(11, 26, 46, 0.85);
}

body.dark-mode .project-modal {
    background: #122a3a;
}

body.dark-mode .project-modal-content {
    background: #122a3a;
}

body.dark-mode .project-modal-body h2 {
    color: #eef4ff;
}

body.dark-mode .modal-meta-item {
    color: #8aaabc;
}

body.dark-mode .modal-meta-item i {
    color: #64B5F6;
}

body.dark-mode .modal-meta-item strong {
    color: #eef4ff;
}

body.dark-mode .modal-project-desc h4 {
    color: #eef4ff;
}

body.dark-mode .modal-project-desc p {
    color: #8aaabc;
}

body.dark-mode .modal-project-meta {
    background: #0a1a2a;
}

body.dark-mode .modal-project-actions {
    border-top-color: rgba(255, 255, 255, 0.06);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (min-width: 600px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (min-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
    .hero-short-title {
        font-size: 4.5rem;
    }
}

@media (max-width: 480px) {
    .hero-short-title {
        font-size: 2.5rem;
    }
    .hero-short-tagline {
        font-size: 1rem;
    }
    .filter-tab {
        padding: 0.4rem 1rem;
        font-size: 0.7rem;
    }
    .portfolio-image-wrapper {
        height: 180px;
    }
    .portfolio-item-content {
        padding: 1rem 1.2rem 1.2rem;
    }
    .portfolio-item-content h3 {
        font-size: 1rem;
    }
    .project-modal-body {
        padding: 1.5rem;
    }
    .project-modal-image {
        height: 200px;
    }
    .modal-project-meta {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    .project-modal-body h2 {
        font-size: 1.4rem;
    }
}