:root{--ink: #0D1117;--ink-mid: #3D4451;--ink-muted: #6B7280;--ink-faint: #9CA3AF;--surface: #F9FAFB;--rule: #E5E7EB;--accent: #1B4332;--accent-mid: #2D6A4F;--paper: #ffffff;--dark: #0A0F19;--dark-2: #111827;--dark-rule: rgba(255,255,255,.08);--font-serif: "Playfair Display", Georgia, serif;--font-sans: "Source Sans 3", "Helvetica Neue", Arial, sans-serif;--font-mono: "JetBrains Mono", "Courier New", monospace}[data-astro-cid-ekf7es43],[data-astro-cid-ekf7es43]:before,[data-astro-cid-ekf7es43]:after{box-sizing:border-box}.container[data-astro-cid-ekf7es43]{max-width:1120px;margin:0 auto;padding:0 32px}.section-label[data-astro-cid-ekf7es43]{font-family:var(--font-mono);font-size:10px;letter-spacing:3px;text-transform:uppercase;color:var(--accent-mid);margin-bottom:32px;display:flex;align-items:center;gap:12px}.section-label[data-astro-cid-ekf7es43]:after{content:"";display:inline-block;width:24px;height:1px;background:var(--accent-mid)}.section-label--light[data-astro-cid-ekf7es43]{color:#fff9}.section-label--light[data-astro-cid-ekf7es43]:after{background:#fff3}.btn-primary[data-astro-cid-ekf7es43]{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;font-family:var(--font-sans);font-size:13px;font-weight:600;letter-spacing:.3px;padding:13px 24px;border:none;border-radius:2px;cursor:pointer;text-decoration:none;transition:background .2s,transform .15s;white-space:nowrap;flex-shrink:0}.btn-primary[data-astro-cid-ekf7es43]:hover{background:var(--accent-mid);transform:translateY(-1px)}.text-link[data-astro-cid-ekf7es43]{font-family:var(--font-sans);font-size:14px;font-weight:600;color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(27,67,50,.25);padding-bottom:1px;transition:border-color .2s}.text-link[data-astro-cid-ekf7es43]:hover{border-color:var(--accent)}.std-hero[data-astro-cid-ekf7es43]{position:relative;padding:120px 0 80px;overflow:hidden;background:var(--dark);border-bottom:3px solid var(--accent)}.std-hero-grid[data-astro-cid-ekf7es43]{position:absolute;inset:0;background-image:linear-gradient(rgba(45,106,79,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(45,106,79,.04) 1px,transparent 1px);background-size:48px 48px}.std-hero-glow[data-astro-cid-ekf7es43]{position:absolute;top:-100px;right:-100px;width:500px;height:500px;background:radial-gradient(circle,rgba(27,67,50,.12) 0%,transparent 65%)}.std-hero-stripe[data-astro-cid-ekf7es43]{position:absolute;top:0;left:0;right:0;height:3px;background:var(--accent)}.std-hero[data-astro-cid-ekf7es43] .container[data-astro-cid-ekf7es43]{position:relative;z-index:1}.std-hero-title[data-astro-cid-ekf7es43]{font-family:var(--font-serif);font-size:clamp(32px,4.5vw,56px);font-weight:400;line-height:1.1;color:#fff;margin:0 0 28px}.std-hero-lead[data-astro-cid-ekf7es43]{font-family:var(--font-sans);font-size:16px;line-height:1.8;color:#ffffffa6;max-width:600px;margin:0}.std-hero-lead[data-astro-cid-ekf7es43] strong[data-astro-cid-ekf7es43]{color:#fff;font-weight:600}.intersection[data-astro-cid-ekf7es43]{padding:100px 0;background:var(--dark-2);border-bottom:1px solid var(--dark-rule)}.int-grid[data-astro-cid-ekf7es43]{display:grid;grid-template-columns:1fr 120px 1fr 1fr;gap:24px;align-items:center;margin-bottom:48px}.int-card[data-astro-cid-ekf7es43]{background:#ffffff05;border:1px solid var(--dark-rule);border-radius:2px;padding:28px 24px}.ic-hvac[data-astro-cid-ekf7es43]{border-top:2px solid #3B82F6}.ic-bms[data-astro-cid-ekf7es43]{border-top:2px solid var(--accent-mid)}.ic-elec[data-astro-cid-ekf7es43]{border-top:2px solid #D97706}.int-card[data-astro-cid-ekf7es43] h3[data-astro-cid-ekf7es43]{font-family:var(--font-sans);font-size:15px;font-weight:700;color:#fff;margin:0 0 10px}.int-card[data-astro-cid-ekf7es43] p[data-astro-cid-ekf7es43]{font-family:var(--font-sans);font-size:13px;color:#ffffff8c;line-height:1.65;margin:0}.int-center[data-astro-cid-ekf7es43]{display:flex;align-items:center;justify-content:center}.int-center-inner[data-astro-cid-ekf7es43]{width:96px;height:96px;border-radius:50%;background:#1b433226;border:2px solid rgba(45,106,79,.4);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.int-center-label[data-astro-cid-ekf7es43]{font-family:var(--font-sans);font-size:13px;font-weight:700;color:var(--accent-mid)}.int-center-sub[data-astro-cid-ekf7es43]{font-family:var(--font-mono);font-size:7px;letter-spacing:1px;text-transform:uppercase;color:#ffffff59}.int-note[data-astro-cid-ekf7es43]{font-family:var(--font-sans);font-size:14px;color:#ffffff73;text-align:center;font-style:italic;max-width:620px;margin:0 auto}.learning-standards[data-astro-cid-ekf7es43]{padding:100px 0;background:var(--dark);border-bottom:1px solid var(--dark-rule)}.std-section-title[data-astro-cid-ekf7es43]{font-family:var(--font-serif);font-size:clamp(26px,3vw,40px);font-weight:400;line-height:1.2;color:#fff;margin:0 0 20px}.std-section-lead[data-astro-cid-ekf7es43]{font-family:var(--font-sans);font-size:15px;line-height:1.85;color:#ffffff8c;max-width:680px;margin-bottom:48px}.standards-note[data-astro-cid-ekf7es43]{display:flex;align-items:flex-start;gap:12px;background:#1b433214;border:1px solid rgba(45,106,79,.2);border-radius:2px;padding:16px 20px;margin-bottom:40px;font-family:var(--font-sans);font-size:13px;color:#ffffff80;line-height:1.6}.note-icon[data-astro-cid-ekf7es43]{font-size:14px;flex-shrink:0;margin-top:1px}.standards-grid[data-astro-cid-ekf7es43]{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--dark-rule);border:1px solid var(--dark-rule)}.std-card[data-astro-cid-ekf7es43]{background:var(--dark);padding:28px 24px;display:flex;flex-direction:column;justify-content:space-between;gap:20px;transition:background .2s}.std-card[data-astro-cid-ekf7es43]:hover{background:#ffffff05}.std-name[data-astro-cid-ekf7es43]{font-family:var(--font-serif);font-size:20px;font-weight:400;color:#fff;margin-bottom:10px}.std-desc[data-astro-cid-ekf7es43]{font-family:var(--font-sans);font-size:13px;color:#ffffff80;line-height:1.65}.std-tag[data-astro-cid-ekf7es43]{font-family:var(--font-mono);font-size:9px;letter-spacing:2px;text-transform:uppercase;color:var(--accent-mid);background:#2d6a4f14;border:1px solid rgba(45,106,79,.2);padding:4px 10px;border-radius:1px;align-self:flex-start}.cdacc-section[data-astro-cid-ekf7es43]{padding:100px 0;background:var(--paper);border-bottom:1px solid var(--rule)}.cdacc-section[data-astro-cid-ekf7es43] .section-label[data-astro-cid-ekf7es43]{color:var(--accent-mid)}.cdacc-section[data-astro-cid-ekf7es43] .section-label[data-astro-cid-ekf7es43]:after{background:var(--accent-mid)}.cdacc-layout[data-astro-cid-ekf7es43]{display:grid;grid-template-columns:1fr 280px;gap:80px;align-items:start}.cdacc-section[data-astro-cid-ekf7es43] .std-section-title[data-astro-cid-ekf7es43]{color:var(--ink)}.cdacc-section[data-astro-cid-ekf7es43] .std-section-lead[data-astro-cid-ekf7es43]{color:var(--ink-mid)}.std-body-text[data-astro-cid-ekf7es43]{font-family:var(--font-sans);font-size:15px;line-height:1.85;color:var(--ink-mid);margin:0 0 28px}.cdacc-facts[data-astro-cid-ekf7es43]{background:var(--surface);border:1px solid var(--rule);border-radius:2px;padding:28px;display:flex;flex-direction:column}.fact-item[data-astro-cid-ekf7es43]{display:flex;flex-direction:column;gap:4px;padding:16px 0}.fact-item[data-astro-cid-ekf7es43]:first-child{padding-top:0}.fact-item[data-astro-cid-ekf7es43]:last-child{padding-bottom:0}.fact-num[data-astro-cid-ekf7es43]{font-family:var(--font-serif);font-size:22px;font-weight:400;color:var(--accent);line-height:1}.fact-label[data-astro-cid-ekf7es43]{font-family:var(--font-sans);font-size:12px;color:var(--ink-faint)}.fact-divider[data-astro-cid-ekf7es43]{height:1px;background:var(--rule);margin:0 -28px}.std-cta[data-astro-cid-ekf7es43]{background:var(--dark);padding:80px 0;border-top:1px solid var(--dark-rule)}.std-cta-inner[data-astro-cid-ekf7es43]{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;padding:40px 48px;border:1px solid var(--dark-rule);border-left:2px solid var(--accent-mid)}@media(max-width:1000px){.int-grid[data-astro-cid-ekf7es43]{grid-template-columns:1fr 1fr}.int-center[data-astro-cid-ekf7es43]{display:none}.standards-grid[data-astro-cid-ekf7es43]{grid-template-columns:repeat(2,1fr)}.cdacc-layout[data-astro-cid-ekf7es43]{grid-template-columns:1fr;gap:48px}}@media(max-width:640px){.container[data-astro-cid-ekf7es43]{padding:0 20px}.standards-grid[data-astro-cid-ekf7es43],.int-grid[data-astro-cid-ekf7es43]{grid-template-columns:1fr}.std-hero[data-astro-cid-ekf7es43]{padding:80px 0 60px}.std-cta-inner[data-astro-cid-ekf7es43]{padding:28px 20px;flex-direction:column;align-items:flex-start}}