/* ============================================
   PROJECT HERO
   ============================================ */
.project-hero {
    position: relative;
    padding: calc(var(--header-height) + var(--space-12)) 0 var(--space-16);
    min-height: 50vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.project-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.project-hero-gradient {
    position: absolute;
    inset: 0;
    background:
            linear-gradient(180deg, rgba(15, 20, 25, 0.95) 0%, rgba(15, 20, 25, 0.8) 100%),
            linear-gradient(135deg, var(--color-primary-900) 0%, var(--color-bg-dark) 100%);
    z-index: 1;
}

.project-hero-image-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: blur(20px);
    opacity: 0.3;
    transform: scale(1.1);
}

.project-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    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);
    flex-wrap: wrap;
}

.breadcrumb li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: rgba(255, 255, 255, 0.5);
}

.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);
}

/* Meta */
.project-hero-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    flex-wrap: wrap;
    margin-bottom: var(--space-6);
}

.project-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
}

.project-meta-item svg {
    width: 16px;
    height: 16px;
    opacity: 0.7;
}

.project-meta-status {
    padding: var(--space-1) var(--space-3);
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-full);
    color: var(--color-success-500);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success-500);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

/* Title */
.project-hero-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);
}

.project-hero-description {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.8);
    line-height: var(--line-height-relaxed);
    max-width: 700px;
    margin: 0 auto var(--space-8);
}

/* Actions */
.project-hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* ============================================
   PROJECT CONTENT
   ============================================ */
.project-content {
    padding: var(--section-padding) 0;
    background: var(--color-bg-secondary);
}

/* Featured Image */
.project-featured-image {
    margin: 0 0 var(--space-12);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--color-border);
}

.project-featured-image img {
    width: 100%;
    height: auto;
    max-height: 600px;
    object-fit: cover;
    display: block;
}

/* Grid */
.project-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
}

@media (min-width: 1024px) {
    .project-grid {
        grid-template-columns: 1fr 360px;
        gap: var(--space-12);
    }
}

/* Main Content */
.project-main {
    display: flex;
    flex-direction: column;
    gap: var(--space-10);
}

.project-article {
    background: var(--color-bg-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
}

.project-section-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
}

.project-section-title svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary-500);
}

.project-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-loose);
}

.project-description p {
    margin-bottom: var(--space-4);
}

.project-description p:last-child {
    margin-bottom: 0;
}

/* ============================================
   SIDEBAR
   ============================================ */
.project-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

@media (min-width: 1024px) {
    .project-sidebar {
        position: sticky;
        top: calc(var(--header-height) + var(--space-6));
    }
}

.sidebar-card {
    background: var(--color-bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
}

.sidebar-card-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
}

.sidebar-card-title svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary-500);
}

/* Info List */
.sidebar-info-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.sidebar-info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
}

.sidebar-info-item dt {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.sidebar-info-item dd {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    text-align: right;
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
}

.status-badge-success {
    background: var(--color-success-50);
    color: var(--color-success-600);
}

.status-badge .status-dot {
    width: 6px;
    height: 6px;
}

/* Tech List */
.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.tech-item {
    padding: var(--space-2) var(--space-3);
    background: var(--color-primary-50);
    color: var(--color-primary-700);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast) var(--ease-out);
}

.tech-item:hover {
    background: var(--color-primary-100);
}

/* CTA Card */
.sidebar-card-cta {
    background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
    border: none;
    text-align: center;
}

.sidebar-cta-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-4);
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border-radius: var(--radius-xl);
}

.sidebar-cta-icon svg {
    width: 28px;
    height: 28px;
}

.sidebar-cta-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: #fff;
    margin-bottom: var(--space-2);
}

.sidebar-cta-text {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-5);
}

.btn-block {
    width: 100%;
}

.sidebar-card-cta .btn-primary {
    background: #fff;
    color: var(--color-primary-600);
    box-shadow: var(--shadow-md);
}

.sidebar-card-cta .btn-primary:hover {
    background: var(--color-gray-50);
}

/* ============================================
   NAVIGATION
   ============================================ */
.project-navigation {
    padding: var(--space-8) 0;
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border-light);
}

.project-nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-6);
}

.project-nav-back {
    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-text-secondary);
    transition: all var(--transition-fast) var(--ease-out);
}

.project-nav-back:hover {
    color: var(--color-primary-600);
    gap: var(--space-3);
}

.project-nav-back svg {
    width: 18px;
    height: 18px;
}

/* Share */
.project-nav-share {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.project-nav-share-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.project-share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast) var(--ease-out);
}

.project-share-btn:hover {
    background: var(--color-primary-600);
    color: #fff;
}

.project-share-btn svg {
    width: 16px;
    height: 16px;
}

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

    .project-hero-description {
        font-size: var(--font-size-lg);
    }

    .project-hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .project-hero-actions .btn {
        width: 100%;
        max-width: 280px;
    }

    .project-featured-image img {
        max-height: 400px;
    }

    .project-article {
        padding: var(--space-6);
    }

    .project-nav-content {
        flex-direction: column;
        align-items: flex-start;
    }
}