html{scroll-behavior:smooth}body{font-family:var(--sq-font-family);background-color:var(--sq-bg-body);color:var(--sq-text-primary);margin:0;min-height:100vh;line-height:1.6}body::after{content:"";position:fixed;inset:0;z-index:-1;background:var(--sq-bg-image, none) center top/cover no-repeat;opacity:0;transition:opacity 1.5s ease-in}body.sq-bg-loaded::after{opacity:1}.sq-navbar{background:rgba(11,14,23,.92) !important;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--sq-border);padding:0 1.5rem;min-height:var(--sq-navbar-height)}.sq-navbar .navbar-brand{font-size:1.25rem;font-weight:700;color:var(--sq-accent);display:flex;align-items:center;gap:.4rem;letter-spacing:.5px}.sq-navbar .navbar-brand .star-icon{color:var(--sq-gold);font-size:1.3rem}.sq-navbar .nav-link{color:var(--sq-text-secondary) !important;font-size:.9rem;font-weight:500;transition:color .15s}.sq-navbar .nav-link:hover{color:var(--sq-text-primary) !important}.sq-navbar .nav-link.sq-nav-role-curriculum{color:#9b6dff !important;font-weight:600}.sq-navbar .nav-link.sq-nav-role-curriculum:hover{color:#c5aaff !important}.sq-navbar .nav-link.sq-nav-role-events{color:#4cbc6e !important;font-weight:600}.sq-navbar .nav-link.sq-nav-role-events:hover{color:#79cd92 !important}.sq-navbar .nav-link.sq-nav-role-admin{color:#f0c040 !important;font-weight:600}.sq-navbar .nav-link.sq-nav-role-admin:hover{color:#f4d379 !important}.sq-navbar .nav-link.sq-nav-role-moderator{color:#e89030 !important;font-weight:600}.sq-navbar .nav-link.sq-nav-role-moderator:hover{color:#eeae67 !important}.sq-navbar .nav-link.sq-nav-role-tasks{color:#5b8af5 !important;font-weight:600}.sq-navbar .nav-link.sq-nav-role-tasks:hover{color:#95b3f9 !important}.sq-navbar .btn-auth-login{color:var(--sq-accent);border:1px solid var(--sq-accent);border-radius:var(--sq-radius);padding:.35rem 1rem;font-weight:600;font-size:.875rem;background:rgba(0,0,0,0);transition:all .15s;text-decoration:none}.sq-navbar .btn-auth-login:hover{background:var(--sq-accent-glow);color:var(--sq-accent-hover)}.sq-navbar .btn-auth-signup{background:var(--sq-accent);color:#fff;border:none;border-radius:var(--sq-radius);padding:.35rem 1.1rem;font-weight:600;font-size:.875rem;transition:background .15s;text-decoration:none}.sq-navbar .btn-auth-signup:hover{background:var(--sq-accent-hover)}.sq-hero{position:relative;min-height:85vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:6rem 1.5rem 4rem;overflow:hidden}.sq-hero .sq-bg-attribution{position:absolute;bottom:1rem;right:1.5rem;font-size:.75rem;color:var(--sq-text-muted);opacity:.6;z-index:1}.sq-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 50% 40%, rgba(91, 138, 245, 0.12) 0%, transparent 70%),radial-gradient(ellipse 60% 50% at 80% 20%, rgba(155, 109, 255, 0.1) 0%, transparent 60%),linear-gradient(180deg, rgba(11, 14, 23, 0.5) 0%, rgba(11, 14, 23, 0.45) 40%, rgba(11, 14, 23, 0.6) 100%);z-index:0}.sq-hero .star-field{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}.sq-hero .star-field .dot{position:absolute;border-radius:50%;background:var(--sq-text-primary);opacity:0;animation:twinkle 4s ease-in-out infinite}@keyframes twinkle{0%,100%{opacity:.15}50%{opacity:.7}}.sq-hero-content{position:relative;z-index:1;max-width:720px}.sq-hero-content h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800;line-height:1.15;margin-bottom:1.25rem;background:linear-gradient(135deg, var(--sq-text-primary) 40%, var(--sq-accent) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:rgba(0,0,0,0)}.sq-hero-content .hero-subtitle{font-size:clamp(1.05rem,2.2vw,1.35rem);color:var(--sq-text-secondary);margin-bottom:2.5rem;max-width:560px;margin-inline:auto}.sq-hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.sq-hero-actions .btn-hero-primary{background:var(--sq-accent);color:#fff;border:none;padding:.75rem 2rem;border-radius:var(--sq-radius);font-size:1rem;font-weight:600;cursor:pointer;transition:background .2s,transform .15s;text-decoration:none;display:inline-flex;align-items:center;gap:.5rem}.sq-hero-actions .btn-hero-primary:hover{background:var(--sq-accent-hover);transform:translateY(-1px)}.sq-hero-actions .btn-hero-secondary{background:rgba(0,0,0,0);color:var(--sq-text-secondary);border:1px solid var(--sq-border);padding:.75rem 2rem;border-radius:var(--sq-radius);font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;text-decoration:none;display:inline-flex;align-items:center;gap:.5rem}.sq-hero-actions .btn-hero-secondary:hover{border-color:var(--sq-text-secondary);color:var(--sq-text-primary)}.sq-section{padding:5rem 1.5rem}.sq-section-header{text-align:center;margin-bottom:3rem}.sq-section-header h2{font-size:2rem;font-weight:700;margin-bottom:.75rem}.sq-section-header p{color:var(--sq-text-secondary);font-size:1.1rem;max-width:560px;margin-inline:auto}.sq-section-alt{background:rgba(20,25,40,.82);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.sq-section-alt .sq-feature-card{background:var(--sq-bg-card-alt)}.sq-features-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(260px, 1fr));gap:1.5rem;max-width:1100px;margin-inline:auto}.sq-feature-card{background:var(--sq-bg-card);border:1px solid var(--sq-border);border-radius:var(--sq-radius-lg);padding:2rem 1.5rem;text-align:center;transition:transform .2s,box-shadow .2s,border-color .2s}.sq-feature-card:hover{transform:translateY(-4px);box-shadow:var(--sq-shadow-lg);border-color:var(--sq-accent)}.sq-feature-card h3{font-size:1.15rem;font-weight:600;margin-bottom:.5rem}.sq-feature-card p{font-size:.925rem;color:var(--sq-text-secondary)}.sq-feature-icon{width:56px;height:56px;margin:0 auto 1.25rem;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.6rem}.sq-feature-icon-missions{background:rgba(91,138,245,.15);color:var(--sq-accent)}.sq-feature-icon-journal{background:rgba(76,188,110,.15);color:var(--sq-green)}.sq-feature-icon-badges{background:rgba(240,192,64,.15);color:var(--sq-gold)}.sq-feature-icon-events{background:rgba(155,109,255,.15);color:var(--sq-purple)}.sq-feature-icon-science{background:rgba(232,144,48,.15);color:var(--sq-orange)}.sq-feature-icon-community{background:rgba(224,80,80,.15);color:var(--sq-red)}.sq-steps-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(200px, 1fr));gap:2rem;max-width:1000px;margin-inline:auto;position:relative}.sq-step{text-align:center;position:relative}.sq-step h4{font-size:1rem;font-weight:600;margin-bottom:.35rem}.sq-step p{font-size:.875rem;color:var(--sq-text-secondary)}.sq-step-number{width:44px;height:44px;margin:0 auto 1rem;border-radius:50%;background:var(--sq-accent-glow);border:2px solid var(--sq-accent);color:var(--sq-accent);font-weight:700;font-size:1.1rem;display:flex;align-items:center;justify-content:center}.sq-tiers-row{display:flex;justify-content:center;gap:.75rem;flex-wrap:wrap;max-width:900px;margin-inline:auto}.sq-tier-chip{padding:.35rem 1rem;border-radius:20px;font-size:.8rem;font-weight:600;letter-spacing:.3px}.sq-tier-chip-0{background:rgba(136,146,168,.15);color:var(--sq-tier0)}.sq-tier-chip-1{background:rgba(91,138,245,.15);color:var(--sq-tier1)}.sq-tier-chip-2{background:rgba(76,188,110,.15);color:var(--sq-tier2)}.sq-tier-chip-3{background:rgba(232,144,48,.15);color:var(--sq-tier3)}.sq-tier-chip-4{background:rgba(224,80,80,.15);color:var(--sq-tier4)}.sq-tier-chip-5{background:rgba(155,109,255,.15);color:var(--sq-tier5)}.sq-tier-chip-6{background:rgba(240,192,64,.15);color:var(--sq-tier6)}.sq-cta{text-align:center;padding:5rem 1.5rem;position:relative}.sq-cta::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 70% 50% at 50% 50%, rgba(91, 138, 245, 0.08), transparent 70%);pointer-events:none}.sq-cta h2{font-size:2rem;font-weight:700;margin-bottom:.75rem;position:relative}.sq-cta p{color:var(--sq-text-secondary);font-size:1.1rem;max-width:480px;margin:0 auto 2rem;position:relative}.sq-footer{background:var(--sq-bg-card);border-top:1px solid var(--sq-border);padding:2rem 1.5rem;text-align:center;color:var(--sq-text-muted);font-size:.85rem}.sq-footer a{color:var(--sq-text-secondary);text-decoration:none}.sq-footer a:hover{color:var(--sq-accent)}@media(max-width: 768px){.sq-hero{min-height:70vh;padding:5rem 1rem 3rem}.sq-features-grid{grid-template-columns:1fr}.sq-steps-grid{grid-template-columns:1fr 1fr}}@media(max-width: 480px){.sq-steps-grid{grid-template-columns:1fr}}.sq-cookie-banner{position:fixed;bottom:0;left:0;right:0;z-index:9999;background:rgba(20,25,40,.96);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--sq-border);box-shadow:0 -4px 24px rgba(0,0,0,.5);padding:1.25rem 1.5rem;animation:slideUp .4s ease-out}@keyframes slideUp{from{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}.sq-cookie-banner-inner{max-width:960px;margin-inline:auto;display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap}.sq-cookie-banner-inner p{flex:1;margin:0;font-size:.9rem;color:var(--sq-text-secondary);min-width:240px}.sq-cookie-banner-inner p a{color:var(--sq-accent);text-decoration:underline}.sq-cookie-actions{flex-shrink:0}.sq-privacy{max-width:780px;margin-inline:auto;padding:6rem 1.5rem 4rem}.sq-privacy h1{font-size:2rem;font-weight:700;margin-bottom:.5rem}.sq-privacy .privacy-updated{color:var(--sq-text-muted);font-size:.85rem;margin-bottom:2rem}.sq-privacy h2{font-size:1.25rem;font-weight:600;margin-top:2rem;margin-bottom:.5rem;color:var(--sq-text-primary)}.sq-privacy p,.sq-privacy li{color:var(--sq-text-secondary);font-size:.95rem;line-height:1.7}.sq-privacy ul{padding-left:1.5rem;margin-bottom:1rem}.sq-privacy a{color:var(--sq-accent)}