/**
 * Portfolio Page Styles
 * Custom styles for the digital product portfolio page
 * Includes card layouts, hover animations, filters, and responsive design
 */

/* ========================================
   PAGE-SPECIFIC OVERRIDES
   ======================================== */

/* Ensure navbar is static on portfolio page (no sticky behavior) */
[data-page="portfolio"] .navbar {
    position: relative !important;
    top: auto !important;
}

/* ========================================
   PORTFOLIO HERO
   ======================================== */
.portfolio-hero {
    margin-bottom: var(--spacing-xl);
}

.portfolio-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.portfolio-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--white-color);
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
}

/* ========================================
   FILTER TABS
   ======================================== */
.portfolio-filters {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
    padding: 0 var(--spacing-md);
}

.filter-btn {
    padding: 12px 28px;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    font-size: 16px;
    font-weight: 600;
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 44px;
    white-space: nowrap;
}

.filter-btn:hover {
    background: var(--primary-color);
    color: var(--white-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(188, 108, 37, 0.3);
}

.filter-btn.active {
    background: var(--primary-color);
    color: var(--white-color);
    box-shadow: 0 4px 12px rgba(188, 108, 37, 0.3);
}

.filter-btn:focus {
    outline: 3px solid var(--focus-color);
    outline-offset: 2px;
}

/* Filter count badge */
.filter-count {
    display: inline-block;
    margin-left: 6px;
    padding: 2px 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
}

.filter-btn.active .filter-count {
    background: rgba(255, 255, 255, 0.3);
}

/* ========================================
   PORTFOLIO GRID
   ======================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* ========================================
   PORTFOLIO CARD
   ======================================== */
.portfolio-card {
    position: relative;
    background: var(--white-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* ========================================
   CARD IMAGE SECTION
   ======================================== */
.portfolio-card-image-wrap {
    position: relative;
    width: 100%;
    padding-top: 66.67%; /* 3:2 aspect ratio */
    overflow: hidden;
    background: linear-gradient(135deg, var(--section-bg-color) 0%, var(--primary-color) 100%);
}

.portfolio-card-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Circular Icon at Bottom Left */
.portfolio-card-icon {
    position: absolute;
    bottom: 16px;
    left: 16px;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--white-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    overflow: hidden;
    border: 3px solid var(--white-color);
    transition: all 0.3s ease;
}

.portfolio-card:hover .portfolio-card-icon {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.portfolio-icon-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

/* Fallback icon styling (Bootstrap Icons) */
.portfolio-card-icon-fallback {
    background: var(--primary-color);
}

.portfolio-card-icon-fallback i {
    font-size: 28px;
    color: var(--white-color);
}

/* ========================================
   BADGES
   ======================================== */
.portfolio-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 10;
    background: var(--primary-color);
    color: var(--white-color);
}

.portfolio-badge.badge-website {
    background: #3498db;
}

.portfolio-badge.badge-mobile_app {
    background: #9b59b6;
}

.portfolio-badge.badge-saas {
    background: #e74c3c;
}

.portfolio-badge.badge-desktop_app {
    background: #2ecc71;
}

.portfolio-badge.badge-api {
    background: #f39c12;
}

.portfolio-badge.badge-other {
    background: var(--p-color);
}

.featured-badge {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 10;
    background: var(--border-color);
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 4px;
}

.featured-badge i {
    font-size: 14px;
}

/* ========================================
   CARD BODY
   ======================================== */
.portfolio-card-body {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.portfolio-card-title {
    font-size: clamp(20px, 2.5vw, 24px);
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.portfolio-card-description {
    font-size: 16px;
    color: var(--p-color);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

/* ========================================
   FEATURES LIST
   ======================================== */
.portfolio-features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-md) 0;
}

.portfolio-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    font-size: 14px;
    color: var(--dark-color);
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
}

.portfolio-features li i {
    color: var(--primary-color);
    font-size: 16px;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ========================================
   TECHNOLOGY TAGS
   ======================================== */
.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.portfolio-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(188, 108, 37, 0.1);
    color: var(--primary-color);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ========================================
   ACTION BUTTONS (Icon Only)
   ======================================== */
.portfolio-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: auto;
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    justify-content: center;
}

.portfolio-action-btn {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border-radius: 50%;
    font-size: 18px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

/* Primary action button */
.portfolio-action-btn.btn-primary {
    background: var(--primary-color);
    color: var(--white-color);
    border: 2px solid var(--primary-color);
}

.portfolio-action-btn.btn-primary:hover {
    background: var(--custom-btn-bg-hover-color);
    border-color: var(--custom-btn-bg-hover-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(188, 108, 37, 0.3);
}

/* Secondary action button */
.portfolio-action-btn.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.portfolio-action-btn.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white-color);
    transform: translateY(-2px);
}

/* Icon styling */
.portfolio-action-btn i {
    transition: transform 0.3s ease;
    font-size: 18px;
}

.portfolio-action-btn:hover i {
    transform: scale(1.2) rotate(5deg);
}

.portfolio-action-btn:focus {
    outline: 3px solid var(--focus-color);
    outline-offset: 2px;
}

/* ========================================
   FILTER TRANSITIONS
   ======================================== */
.portfolio-item {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-item.hidden {
    display: none;
    opacity: 0;
    transform: scale(0.9);
}

.portfolio-item.visible {
    display: block;
    opacity: 1;
    transform: scale(1);
    animation: fadeInScale 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes fadeInScale {
    0% {
        opacity: 0;
        transform: scale(0.95) translateY(20px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* ========================================
   NO RESULTS MESSAGE
   ======================================== */
.no-results {
    display: none;
    text-align: center;
    padding: var(--spacing-xxl) var(--spacing-md);
    grid-column: 1 / -1;
}

.no-results.show {
    display: block;
}

.no-results i {
    font-size: 64px;
    color: var(--p-color);
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.no-results p {
    font-size: 20px;
    color: var(--p-color);
    margin: 0;
}

/* ========================================
   CTA SECTION
   ======================================== */
.portfolio-cta {
    text-align: center;
    padding: var(--spacing-xxl) var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--section-bg-color) 100%);
    border-radius: 20px;
    color: var(--white-color);
    margin-top: var(--spacing-xl);
}

.portfolio-cta-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.portfolio-cta-description {
    font-size: clamp(16px, 2vw, 20px);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    color: var(--white-color);
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.portfolio-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 16px 32px;
    background: var(--white-color);
    color: var(--primary-color);
    font-size: 18px;
    font-weight: 700;
    border-radius: 100px;
    text-decoration: none;
    transition: all 0.3s ease;
    min-height: 44px;
}

.portfolio-cta-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    color: var(--primary-color);
}

.portfolio-cta-btn i {
    transition: transform 0.3s ease;
}

.portfolio-cta-btn:hover i {
    transform: translateX(4px);
}

/* ========================================
   VIDEO MODAL
   ======================================== */
.portfolio-video-modal .modal-content {
    border-radius: 20px;
    overflow: hidden;
    border: none;
}

.portfolio-video-modal .modal-header {
    background: var(--primary-color);
    color: var(--white-color);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: none;
}

.portfolio-video-modal .modal-title {
    font-weight: 700;
    font-size: 20px;
}

.portfolio-video-modal .btn-close {
    filter: invert(1);
    opacity: 1;
}

.portfolio-video-modal .modal-body {
    padding: 0;
    background: var(--dark-color);
}

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

/* Tablet (768px - 991px) */
@media screen and (max-width: 991px) {
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: var(--spacing-md);
    }

    .portfolio-filters {
        gap: var(--spacing-xs);
    }

    .filter-btn {
        padding: 10px 20px;
        font-size: 14px;
    }
}

/* Mobile (below 768px) */
@media screen and (max-width: 767px) {
    .portfolio-hero {
        min-height: 40vh;
        padding: var(--spacing-xl) 0;
    }

    .portfolio-filters {
        overflow-x: auto;
        justify-content: flex-start;
        flex-wrap: nowrap;
        padding: 0 var(--spacing-sm);
        scrollbar-width: thin;
        scrollbar-color: var(--primary-color) rgba(188, 108, 37, 0.1);
        -webkit-overflow-scrolling: touch;
    }

    .portfolio-filters::-webkit-scrollbar {
        height: 6px;
    }

    .portfolio-filters::-webkit-scrollbar-track {
        background: rgba(188, 108, 37, 0.1);
        border-radius: 3px;
    }

    .portfolio-filters::-webkit-scrollbar-thumb {
        background: var(--primary-color);
        border-radius: 3px;
    }

    .filter-btn {
        flex-shrink: 0;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    /* Icon buttons remain circular on mobile */
    .portfolio-action-btn {
        width: 44px;
        height: 44px;
    }

    .portfolio-card-body {
        padding: var(--spacing-sm);
    }

    /* Smaller icon on mobile */
    .portfolio-card-icon {
        width: 48px;
        height: 48px;
        bottom: 12px;
        left: 12px;
    }

    .portfolio-card-icon-fallback i {
        font-size: 20px;
    }

    .portfolio-cta {
        padding: var(--spacing-xl) var(--spacing-sm);
        border-radius: 10px;
    }
}

/* Extra small mobile (below 480px) */
@media screen and (max-width: 480px) {
    .filter-count {
        display: none;
    }

    .portfolio-badge,
    .featured-badge {
        font-size: 10px;
        padding: 4px 12px;
    }

    /* Even smaller icon on extra small devices */
    .portfolio-card-icon {
        width: 40px;
        height: 40px;
    }

    .portfolio-card-icon-fallback i {
        font-size: 18px;
    }

    /* Smaller action buttons on extra small devices */
    .portfolio-action-btn {
        width: 40px;
        height: 40px;
    }

    .portfolio-action-btn i {
        font-size: 16px;
    }
}

/* ========================================
   ACCESSIBILITY ENHANCEMENTS
   ======================================== */

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .portfolio-card:hover {
        transform: none;
    }

    .portfolio-card:hover .portfolio-card-image {
        transform: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .portfolio-card {
        border: 2px solid var(--dark-color);
    }

    .filter-btn {
        border-width: 3px;
    }
}

/* Focus visible for better keyboard navigation */
.portfolio-card:focus-visible {
    outline: 3px solid var(--focus-color);
    outline-offset: 4px;
}

/* Skip to content link */
.skip-to-portfolio {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary-color);
    color: var(--white-color);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 1000;
    transition: top 0.3s;
}

.skip-to-portfolio:focus {
    top: 0;
}