:root{--carbon-void: #0D0E11;--carbon-surface: #16181D;--carbon-border: #2A2E37;--carbon-text: #E3E5E8;--carbon-muted: #94A3B8;--cyan-base: #0891B2;--cyan-bright: #67E8F9;--amber-base: #D97706;--amber-bright: #FDBA74}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--carbon-void);color:var(--carbon-text);font-family:IBM Plex Sans,sans-serif;line-height:1.6;overflow-x:hidden}h1,h2,h3,h4{font-weight:600;letter-spacing:-.02em}h1{font-size:clamp(2.5rem,5vw,3.5rem);line-height:1.1;margin-bottom:1.5rem}h2{font-size:clamp(2rem,4vw,2.5rem);margin-bottom:3rem;text-align:center}h3{font-size:1.5rem;margin-bottom:1rem}p{color:var(--carbon-muted);font-weight:300;font-size:1.4rem}.mono{font-family:IBM Plex Mono,monospace}.text-cyan{color:var(--cyan-base)}.text-amber{color:var(--amber-base)}.btn{display:inline-block;padding:12px 30px;font-family:IBM Plex Mono,monospace;font-weight:600;text-decoration:none;border-radius:4px;transition:all .3s ease;cursor:pointer;border:1px solid transparent;text-align:center}.btn-primary{background-color:var(--cyan-base);color:#fff}.btn-primary:hover{background-color:var(--cyan-bright);color:#000}.btn-outline{border-color:var(--carbon-muted);color:var(--carbon-text)}.btn-outline:hover{border-color:var(--cyan-base);color:var(--cyan-base)}button:focus,a:focus,input:focus,textarea:focus,select:focus{outline:2px solid var(--cyan-base);outline-offset:2px}nav{position:fixed;top:0;width:100%;padding:20px 40px;background:#0d0e11e6;backdrop-filter:blur(10px);border-bottom:1px solid var(--carbon-border);z-index:1000;display:flex;justify-content:space-between;align-items:center;opacity:0;transform:translateY(-20px);transition:all .5s ease}nav.visible{opacity:1;transform:translateY(0)}.nav-logo{font-weight:700;font-size:1.2rem;color:#fff;text-decoration:none}.nav-links a{color:var(--carbon-muted);text-decoration:none;margin-left:30px;font-size:.9rem;transition:color .3s}.nav-links a:hover{color:var(--cyan-base)}.hero{width:100%;height:100vh;position:relative;display:flex;align-items:center;justify-content:center;text-align:center;background-image:url(/_astro/earth-image.Pe8sZNdi.webp);background-size:cover;background-position:center}.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(to bottom,rgba(13,14,17,.3),var(--carbon-void))}.hero-content{position:relative;z-index:2;max-width:900px;padding:20px;display:flex;flex-direction:column;align-items:center}.hero-logo-img{width:120px;height:auto;margin-bottom:30px;filter:invert(1) brightness(2)}.hero-intro{margin-bottom:40px;color:#e3e5e8;font-size:1.5rem;line-height:1.4;font-weight:300}section{padding:100px 20px;max-width:1200px;margin:0 auto}.activity-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.activity-card{background:var(--carbon-surface);border:1px solid var(--carbon-border);border-radius:8px;overflow:hidden;transition:transform .3s,border-color .3s}.activity-card:hover{transform:translateY(-5px);border-color:var(--cyan-base)}.activity-img{height:200px;width:100%;object-fit:cover;border-bottom:1px solid var(--carbon-border)}.activity-body{padding:30px}.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px}.team-card{background:var(--carbon-surface);padding:30px;text-align:center;border-radius:8px;border:1px solid var(--carbon-border);transition:transform .3s,border-color .3s}.team-card:hover{transform:translateY(-5px);border-color:var(--cyan-base)}.team-avatar{width:100px;height:100px;border-radius:50%;object-fit:cover;border:2px solid var(--carbon-border);margin:0 auto 20px;display:block}.contact-link{display:inline-block;margin-top:15px;color:var(--cyan-base);font-size:1.5rem;text-decoration:none;transition:color .2s}.contact-link:hover{color:var(--cyan-bright)}.membership-wrapper{position:relative}.coming-soon-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#0d0e118c;backdrop-filter:blur(5px);z-index:10;display:flex;align-items:center;justify-content:center;border-radius:8px}.coming-soon-text{font-family:IBM Plex Mono,monospace;font-size:2rem;color:var(--cyan-bright);border:1px solid var(--cyan-base);padding:20px 40px;background:#0891b21a;text-transform:uppercase;letter-spacing:2px;box-shadow:0 0 20px #0891b233}.membership-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;opacity:.5;pointer-events:none}.membership-card{background-color:var(--carbon-surface);border:1px solid var(--carbon-border);border-radius:8px;overflow:hidden;position:relative;display:flex;flex-direction:column;transition:transform .3s,border-color .3s}.membership-card:hover{transform:translateY(-5px);border-color:var(--cyan-base)}.membership-header{height:150px;background-size:cover;background-position:center;position:relative;display:flex;align-items:center;justify-content:center}.membership-header:after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:#0d0e11b3}.membership-title{position:relative;z-index:2;font-size:1.8rem;color:#fff;font-family:IBM Plex Mono,monospace}.membership-body{padding:30px;flex-grow:1;display:flex;flex-direction:column}.membership-list{list-style:none;margin:20px 0;flex-grow:1}.membership-list li{margin-bottom:10px;padding-left:20px;position:relative;color:var(--carbon-muted)}.membership-list li:before{content:">";position:absolute;left:0;color:var(--cyan-base);font-family:IBM Plex Mono,monospace}footer{background-image:url(/_astro/sia-footer-background.DOw8jU_c.webp);background-size:cover;background-position:center;position:relative;padding:80px 20px;margin-top:100px}.footer-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(to top,var(--carbon-void),rgba(13,14,17,.8))}.footer-content{position:relative;z-index:2;max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:50px}.footer-info h4{font-size:1.5rem;margin-bottom:10px}.footer-contact{text-align:right}.footer-contact p,.footer-contact a{margin-bottom:5px;font-family:IBM Plex Mono,monospace;font-size:.9rem;color:#fff;text-decoration:none;display:block}.footer-contact a:hover{text-decoration:underline}@media (prefers-reduced-motion: no-preference){nav{transition:all .5s ease}.activity-card,.team-card,.membership-card{transition:transform .3s,border-color .3s}}@media (max-width: 768px){.footer-content{grid-template-columns:1fr;text-align:center}.footer-contact{text-align:center;margin-top:30px}h1{font-size:2.5rem}nav{padding:15px 20px}.nav-links a{margin-left:20px}}@media (max-width: 640px){section{padding:80px 15px}.activity-grid,.team-grid,.membership-grid{grid-template-columns:1fr}}