:root{--color-neutral-0: #ffffff;--color-neutral-50: #fafafa;--color-neutral-100: #f5f5f5;--color-neutral-200: #eeeeee;--color-neutral-300: #e0e0e0;--color-neutral-400: #bdbdbd;--color-neutral-500: #9e9e9e;--color-neutral-600: #757575;--color-neutral-700: #616161;--color-neutral-800: #424242;--color-neutral-900: #212121;--color-primary-50: #e3f2fd;--color-primary-100: #bbdefb;--color-primary-200: #90caf9;--color-primary-300: #64b5f6;--color-primary-400: #42a5f5;--color-primary-500: #2196f3;--color-primary-600: #1e88e5;--color-primary-700: #1976d2;--color-primary-800: #1565c0;--color-primary-900: #0d47a1;--color-success: #4caf50;--color-warning: #ff9800;--color-error: #f44336;--color-info: #2196f3;--color-bg-dark: #1e1e1e;--color-bg-darker: #141414;--color-border-dark: #333333;--color-text-dark: #e0e0e0;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--radius-sm: 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var(--color-primary-700);--accent-active: var(--color-primary-800)}[data-theme=dark]{--bg-primary: var(--color-bg-dark);--bg-secondary: var(--color-bg-darker);--bg-tertiary: #252525;--bg-hover: #2d2d2d;--bg-active: #353535;--text-primary: var(--color-text-dark);--text-secondary: var(--color-neutral-400);--text-tertiary: var(--color-neutral-500);--text-disabled: var(--color-neutral-600);--border-color: var(--color-border-dark);--border-hover: #404040;--border-focus: var(--color-primary-500);--accent-color: var(--color-primary-500);--accent-hover: var(--color-primary-400);--accent-active: 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p{font-size:var(--font-size-sm);color:var(--text-secondary);margin:0}.sample-projects__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--space-4)}.sample-project-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition-fast);cursor:pointer}.sample-project-card:hover{border-color:var(--accent-color);box-shadow:0 4px 12px #0000001a;transform:translateY(-2px)}.sample-project-card__thumbnail{width:100%;height:160px;background-color:var(--bg-primary);display:flex;align-items:center;justify-content:center;overflow:hidden}.sample-project-card__thumbnail img{width:100%;height:100%;object-fit:cover}.sample-project-card__placeholder{font-size:48px;opacity:.3}.sample-project-card__content{padding:var(--space-3)}.sample-project-card__content h4{font-size:var(--font-size-md);font-weight:var(--font-weight-semibold);color:var(--text-primary);margin:0 0 var(--space-2) 0}.sample-project-card__content p{font-size:var(--font-size-sm);color:var(--text-secondary);margin:0 0 var(--space-3) 0;line-height:1.5}.sample-project-card__meta{display:flex;gap:var(--space-2);flex-wrap:wrap}.badge{padding:2px 8px;background-color:var(--bg-primary);border-radius:var(--radius-sm);font-size:var(--font-size-xs);color:var(--text-secondary)}.badge--small{background-color:#10b981;color:#fff}.badge--medium{background-color:#f59e0b;color:#fff}.badge--large{background-color:#ef4444;color:#fff}.sample-project-card__btn{width:100%;padding:var(--space-3);border:none;background-color:var(--accent-color);color:#fff;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color 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