.lab-hero[data-astro-cid-t3nv4xef]{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-accent) 100%);color:var(--color-white);padding:6rem 0;text-align:center}.hero-title[data-astro-cid-t3nv4xef]{font-size:clamp(2.5rem,5vw,4rem);color:var(--color-white);margin-bottom:1.5rem}.hero-subtitle[data-astro-cid-t3nv4xef]{font-size:clamp(1.1rem,2vw,1.5rem);color:#ffffffe6;max-width:800px;margin:0 auto}.lab-tools[data-astro-cid-t3nv4xef]{padding:4rem 0;background:var(--color-background)}.tools-grid[data-astro-cid-t3nv4xef]{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}.tool-card[data-astro-cid-t3nv4xef]{text-align:center;padding:3rem 2rem;transition:all var(--transition-normal)}.tool-card[data-astro-cid-t3nv4xef]:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}.tool-icon[data-astro-cid-t3nv4xef]{width:80px;height:80px;background:var(--color-background-alt);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--color-primary);margin:0 auto 1.5rem}.tool-card[data-astro-cid-t3nv4xef] h3[data-astro-cid-t3nv4xef]{font-size:1.5rem;color:var(--color-primary);margin-bottom:.75rem}.tool-card[data-astro-cid-t3nv4xef] p[data-astro-cid-t3nv4xef]{color:var(--color-text-light);margin-bottom:1.5rem}.diy-projects[data-astro-cid-t3nv4xef]{padding:6rem 0;background:var(--color-background-alt)}.section-header[data-astro-cid-t3nv4xef]{text-align:center;margin-bottom:4rem}.section-title[data-astro-cid-t3nv4xef]{font-size:clamp(2rem,4vw,3rem);color:var(--color-primary);margin-bottom:1rem}.section-subtitle[data-astro-cid-t3nv4xef]{font-size:1.2rem;color:var(--color-text-light);margin-bottom:0}.projects-grid[data-astro-cid-t3nv4xef]{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}.project-card[data-astro-cid-t3nv4xef]{overflow:hidden}.project-image[data-astro-cid-t3nv4xef]{position:relative;height:250px}.image-placeholder[data-astro-cid-t3nv4xef]{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:600;color:var(--color-white)}.project-1[data-astro-cid-t3nv4xef]{background:linear-gradient(135deg,#5d4037,#8b7355,#a1887f)}.project-2[data-astro-cid-t3nv4xef]{background:linear-gradient(135deg,#4e342e,#6d4c41,#8d6e63)}.project-3[data-astro-cid-t3nv4xef]{background:linear-gradient(135deg,#3e2723,#5d4037,#795548)}.project-level[data-astro-cid-t3nv4xef]{position:absolute;top:1rem;right:1rem;background:var(--color-accent);color:var(--color-white);padding:.5rem 1rem;border-radius:var(--border-radius-sm);font-size:.85rem;font-weight:600}.project-content[data-astro-cid-t3nv4xef]{padding:2rem}.project-content[data-astro-cid-t3nv4xef] h3[data-astro-cid-t3nv4xef]{font-size:1.5rem;color:var(--color-primary);margin-bottom:.5rem}.project-specs[data-astro-cid-t3nv4xef]{font-size:.9rem;color:var(--color-accent);margin-bottom:1rem;font-weight:500}.project-description[data-astro-cid-t3nv4xef]{font-size:1rem;line-height:1.6;color:var(--color-text-light);margin-bottom:1.5rem}.calculator-section[data-astro-cid-t3nv4xef]{padding:6rem 0;background:var(--color-background)}.calculator-container[data-astro-cid-t3nv4xef]{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:start}.calculator-form[data-astro-cid-t3nv4xef]{background:var(--color-white);padding:3rem;border-radius:var(--border-radius-lg);box-shadow:var(--shadow-md)}.form-group[data-astro-cid-t3nv4xef]{margin-bottom:1.5rem}.form-group[data-astro-cid-t3nv4xef] label[data-astro-cid-t3nv4xef]{display:block;margin-bottom:.5rem;font-weight:500;color:var(--color-primary)}.form-group[data-astro-cid-t3nv4xef] input[data-astro-cid-t3nv4xef]{width:100%;padding:.875rem 1rem;border:2px solid var(--color-background-alt);border-radius:var(--border-radius-sm);font-size:1rem;transition:border-color var(--transition-fast)}.form-group[data-astro-cid-t3nv4xef] input[data-astro-cid-t3nv4xef]:focus{outline:none;border-color:var(--color-accent)}.btn-large[data-astro-cid-t3nv4xef]{width:100%;padding:1rem;font-size:1.1rem}.calculator-result[data-astro-cid-t3nv4xef]{background:var(--color-primary);color:var(--color-white);padding:3rem;border-radius:var(--border-radius-lg)}.calculator-result[data-astro-cid-t3nv4xef] h3[data-astro-cid-t3nv4xef]{font-size:1.5rem;color:var(--color-white);margin-bottom:2rem}.result-item[data-astro-cid-t3nv4xef]{display:flex;justify-content:space-between;align-items:center;padding:1rem 0;border-bottom:1px solid rgba(255,255,255,.2)}.result-label[data-astro-cid-t3nv4xef]{font-size:1.1rem;color:#ffffffe6}.result-value[data-astro-cid-t3nv4xef]{font-size:1.5rem;font-weight:600;color:var(--color-accent-light)}.result-note[data-astro-cid-t3nv4xef]{margin-top:1.5rem;font-size:.85rem;color:#ffffffb3;font-style:italic}.carbon-tracker[data-astro-cid-t3nv4xef]{padding:6rem 0;background:var(--color-background-alt)}.carbon-stats[data-astro-cid-t3nv4xef]{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-bottom:4rem}.stat-card[data-astro-cid-t3nv4xef]{background:var(--color-white);padding:3rem 2rem;border-radius:var(--border-radius-lg);text-align:center;box-shadow:var(--shadow-md)}.stat-icon[data-astro-cid-t3nv4xef]{width:70px;height:70px;background:var(--color-background-alt);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--color-accent);margin:0 auto 1.5rem}.stat-value[data-astro-cid-t3nv4xef]{font-size:3rem;font-weight:600;color:var(--color-primary);margin-bottom:.5rem}.stat-label[data-astro-cid-t3nv4xef]{font-size:1.1rem;color:var(--color-text-light)}.carbon-tips[data-astro-cid-t3nv4xef]{background:var(--color-white);padding:3rem;border-radius:var(--border-radius-lg);box-shadow:var(--shadow-sm)}.carbon-tips[data-astro-cid-t3nv4xef] h3[data-astro-cid-t3nv4xef]{font-size:1.75rem;color:var(--color-primary);margin-bottom:2rem}.tips-list[data-astro-cid-t3nv4xef]{display:flex;flex-direction:column;gap:1.5rem}.tip-item[data-astro-cid-t3nv4xef]{display:flex;align-items:start;gap:1.5rem}.tip-number[data-astro-cid-t3nv4xef]{flex-shrink:0;width:50px;height:50px;background:var(--color-accent);color:var(--color-white);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:600}.tip-item[data-astro-cid-t3nv4xef] p[data-astro-cid-t3nv4xef]{font-size:1.1rem;line-height:1.6;color:var(--color-text-light);margin-bottom:0}@media(max-width:1024px){.tools-grid[data-astro-cid-t3nv4xef],.projects-grid[data-astro-cid-t3nv4xef],.carbon-stats[data-astro-cid-t3nv4xef]{grid-template-columns:repeat(2,1fr)}.calculator-container[data-astro-cid-t3nv4xef]{grid-template-columns:1fr;gap:2rem}}@media(max-width:768px){.lab-hero[data-astro-cid-t3nv4xef]{padding:4rem 0}.hero-title[data-astro-cid-t3nv4xef]{font-size:2rem}.hero-subtitle[data-astro-cid-t3nv4xef]{font-size:1rem}.lab-tools[data-astro-cid-t3nv4xef],.diy-projects[data-astro-cid-t3nv4xef],.calculator-section[data-astro-cid-t3nv4xef],.carbon-tracker[data-astro-cid-t3nv4xef]{padding:4rem 0}.tools-grid[data-astro-cid-t3nv4xef],.projects-grid[data-astro-cid-t3nv4xef],.carbon-stats[data-astro-cid-t3nv4xef]{grid-template-columns:1fr;gap:1.5rem}.tool-card[data-astro-cid-t3nv4xef],.calculator-form[data-astro-cid-t3nv4xef],.calculator-result[data-astro-cid-t3nv4xef],.stat-card[data-astro-cid-t3nv4xef],.carbon-tips[data-astro-cid-t3nv4xef]{padding:2rem}.project-image[data-astro-cid-t3nv4xef]{height:200px}.stat-value[data-astro-cid-t3nv4xef]{font-size:2.5rem}}