/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
    position: relative;
    padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16);
    min-height: 45vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.page-header-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.page-header-gradient {
    position: absolute;
    inset: 0;
    background:
            radial-gradient(ellipse 80% 60% at 50% 0%, var(--color-primary-600) 0%, transparent 60%),
            var(--color-bg-dark);
}

.page-header-pattern {
    position: absolute;
    inset: 0;
    background-image:
            radial-gradient(circle at 25% 25%, rgba(255,255,255,0.02) 1px, transparent 1px),
            radial-gradient(circle at 75% 75%, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 50px 50px;
}

.page-header-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* Breadcrumb */
.breadcrumb {
    margin-bottom: var(--space-6);
}

.breadcrumb ol {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
}

.breadcrumb li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: rgba(255, 255, 255, 0.6);
}

.breadcrumb li:not(:last-child)::after {
    content: '/';
    color: rgba(255, 255, 255, 0.3);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast) var(--ease-out);
}

.breadcrumb a:hover {
    color: #fff;
}

.breadcrumb [aria-current="page"] {
    color: #fff;
    font-weight: var(--font-weight-medium);
}

.page-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-black);
    color: #fff;
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-6);
    letter-spacing: var(--letter-spacing-tight);
}

.page-subtitle {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.75);
    line-height: var(--line-height-relaxed);
    max-width: 600px;
    margin: 0 auto var(--space-10);
}

/* Header Stats */
.page-header-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-10);
    flex-wrap: wrap;
}

.page-header-stat {
    text-align: center;
}

.page-header-stat-value {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-black);
    color: #fff;
    line-height: 1.2;
}

.page-header-stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects-section {
    padding: var(--section-padding) 0;
    background: var(--color-bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-8);
}

/* ============================================
   PROJECT CARD
   ============================================ */
.project-card {
    background: var(--color-bg-primary);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base) var(--ease-out);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-200);
}

.project-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* Card Image */
.project-card-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--color-gray-100);
}

.project-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow) var(--ease-out);
}

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

.project-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
    color: var(--color-gray-400);
}

.project-card-placeholder svg {
    width: 48px;
    height: 48px;
}

/* Badges */
.project-card-badges {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.project-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
}

.project-badge svg {
    width: 12px;
    height: 12px;
}

.project-badge-featured {
    background: var(--color-warning-500);
    color: #fff;
}

/* Quick Actions */
.project-card-actions {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    display: flex;
    gap: var(--space-2);
    opacity: 0;
    transform: translateY(-8px);
    transition: all var(--transition-base) var(--ease-out);
}

.project-card:hover .project-card-actions {
    opacity: 1;
    transform: translateY(0);
}

.project-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #fff;
    color: var(--color-text-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast) var(--ease-out);
}

.project-action-btn:hover {
    background: var(--color-primary-600);
    color: #fff;
    transform: scale(1.1);
}

.project-action-btn svg {
    width: 18px;
    height: 18px;
}

/* Card Content */
.project-card-content {
    padding: var(--space-6);
}

.project-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-3);
}

.project-card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    line-height: var(--line-height-tight);
    margin: 0;
    transition: color var(--transition-fast) var(--ease-out);
}

.project-card:hover .project-card-title {
    color: var(--color-primary-600);
}

.project-card-date {
    flex-shrink: 0;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    padding: var(--space-1) var(--space-2);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
}

.project-card-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-4);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Tags */
.project-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.project-tag {
    padding: var(--space-1) var(--space-3);
    background: var(--color-primary-50);
    color: var(--color-primary-700);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
}

.project-tag-more {
    background: var(--color-gray-100);
    color: var(--color-text-muted);
}

/* CTA */
.project-card-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-600);
    transition: gap var(--transition-base) var(--ease-out);
}

.project-card:hover .project-card-cta {
    gap: var(--space-3);
}

.project-card-cta svg {
    width: 16px;
    height: 16px;
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--space-16) var(--space-6);
    background: var(--color-bg-primary);
    border-radius: var(--radius-2xl);
    border: 2px dashed var(--color-border);
}

.empty-state-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
    background: var(--color-bg-secondary);
    color: var(--color-text-muted);
    border-radius: var(--radius-2xl);
}

.empty-state-icon svg {
    width: 40px;
    height: 40px;
}

.empty-state-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

.empty-state-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    max-width: 400px;
    margin: 0 auto var(--space-6);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
    position: relative;
    padding: var(--section-padding) 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    background:
            radial-gradient(ellipse 100% 80% at 50% 100%, var(--color-primary-600) 0%, transparent 60%),
            var(--color-bg-dark);
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta h2 {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    color: #fff;
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-6);
}

.cta-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.75);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-8);
}

.cta-buttons {
    display: flex;
    justify-content: center;
}

/* ============================================
   UTILITIES
   ============================================ */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .page-title {
        font-size: var(--font-size-4xl);
    }

    .page-subtitle {
        font-size: var(--font-size-lg);
    }

    .page-header-stats {
        gap: var(--space-6);
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .cta h2 {
        font-size: var(--font-size-3xl);
    }
}