/* ============================================================================
   SAMPLE PROJECTS PAGE STYLES - BRAND ALIGNED DESIGN SYSTEM
   ============================================================================ */

.sample-projects-hero {
    position: relative;
    padding: 120px 20px 60px;
    background: var(--bg-primary);
    text-align: center;
    overflow: hidden;
}

.sample-projects-hero::before {
    content: '';
    position: absolute;
    top: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--overlay-bg) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: var(--overlay-bg);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: 0.5px;
    backdrop-filter: blur(10px);
}

.hero-badge i {
    color: var(--text-primary);
}

.sample-projects-hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.8rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.2;
    letter-spacing: -1px;
}

.sample-projects-hero h1 span {
    color: var(--text-muted);
}

.sample-projects-hero p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 35px;
    line-height: 1.6;
}

/* Filter Navigation */
.filter-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--shadow);
}

.filter-btn.active {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
    box-shadow: 0 4px 20px var(--shadow);
}

.filter-btn .count {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    background: var(--overlay-bg);
    color: var(--text-primary);
    margin-left: 2px;
}

.filter-btn.active .count {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.filter-btn:not(.active) .count {
    background: var(--overlay-bg);
    color: var(--text-muted);
}

/* Grid Container */
.sample-projects-section {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px 80px;
}

.sample-projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

/* Card Styling */
.sample-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    overflow: hidden;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: 0 4px 15px var(--shadow);
}

.sample-card:hover {
    transform: translateY(-8px);
    border-color: var(--text-primary);
    box-shadow: 0 20px 40px var(--shadow);
}

/* Thumbnail Section */
.card-thumbnail {
    position: relative;
    width: 100%;
    height: 210px;
    overflow: hidden;
    background: var(--bg-secondary);
}

.card-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform 0.5s ease;
}

.sample-card:hover .card-thumbnail img {
    transform: scale(1.05);
}

.card-thumbnail-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    color: var(--text-muted);
    gap: 12px;
    border-bottom: 1px solid var(--border-light);
}

.card-thumbnail-placeholder i {
    font-size: 2.8rem;
    color: var(--text-muted);
}

/* Badges */
.card-badges {
    position: absolute;
    top: 14px;
    left: 14px;
    right: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 2;
    pointer-events: none;
}

.platform-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    backdrop-filter: blur(10px);
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px var(--shadow);
}

.featured-badge {
    padding: 5px 12px;
    background: var(--accent);
    color: var(--bg-primary);
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 10px var(--shadow);
}

/* Card Content */
.card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.3;
}

.card-title a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.card-title a:hover {
    opacity: 0.8;
}

.card-description {
    font-size: 0.93rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Tech Badges */
.card-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 24px;
    margin-top: auto;
}

.tech-tag {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--overlay-bg);
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}

/* Action Footer Buttons */
.card-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 18px;
    border-top: 1px solid var(--border-light);
}

.btn-live-demo {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 18px;
    background: var(--accent);
    color: var(--bg-primary);
    border-radius: 10px;
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px var(--shadow);
}

.btn-live-demo:hover {
    transform: translateY(-2px);
    opacity: 0.9;
    box-shadow: 0 6px 20px var(--shadow);
}

.btn-github {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.25s ease;
    font-size: 1.1rem;
}

.btn-github:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
    transform: translateY(-2px);
}

.btn-details {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.25s ease;
    font-size: 0.9rem;
}

.btn-details:hover {
    color: var(--text-primary);
    border-color: var(--text-primary);
    background: var(--overlay-bg);
    transform: translateY(-2px);
}

/* Empty State */
.no-samples {
    text-align: center;
    padding: 80px 20px;
    background: var(--bg-card);
    border-radius: 20px;
    border: 1px dashed var(--border-color);
    grid-column: 1 / -1;
}

.no-samples i {
    font-size: 3.5rem;
    color: var(--text-muted);
    margin-bottom: 18px;
}

.no-samples h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.no-samples p {
    color: var(--text-secondary);
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
    .sample-projects-hero h1 {
        font-size: 2.3rem;
    }

    .sample-projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 24px;
    }
}

@media (max-width: 600px) {
    .sample-projects-hero {
        padding-top: 100px;
    }

    .sample-projects-hero h1 {
        font-size: 1.8rem;
    }

    .filter-container {
        gap: 8px;
    }

    .filter-btn {
        padding: 8px 14px;
        font-size: 0.82rem;
    }

    .sample-projects-grid {
        grid-template-columns: 1fr;
    }
}