:root{--bg-body: #020108;--bg-primary: rgba(10, 8, 20, .6);--bg-secondary: rgba(15, 12, 30, .4);--bg-card: rgba(18, 14, 38, .6);--bg-card-hover: rgba(25, 20, 48, .8);--bg-input: rgba(12, 10, 24, .6);--border: rgba(34, 211, 238, .15);--border-hover: rgba(74, 222, 128, .4);--border-focus: rgba(74, 222, 128, .8);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #475569;--accent: #4ade80;--accent-hover: #22c55e;--accent-purple: #a855f7;--accent-orange: #f97316;--accent-gradient: linear-gradient(135deg, var(--accent-purple), var(--accent), var(--accent-orange));--accent-glow: rgba(74, 222, 128, .15);--accent-glow-strong: rgba(74, 222, 128, .4);--purple-glow: rgba(168, 85, 247, .2);--success: #4ade80;--error: #f43f5e;--warning: #facc15;--twitter: #22d3ee;--linkedin: #3b82f6;--facebook: #60a5fa;--instagram: #ec4899;--threads: #f8fafc;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--shadow-sm: 0 2px 10px rgba(0, 0, 0, .5), 0 0 4px 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svg{flex-shrink:0}.auth-switch{margin-top:16px;text-align:center;font-size:13px;color:var(--text-muted)}.upgrade-icon{font-size:40px;text-align:center;margin-bottom:12px}.upgrade-price{text-align:center;margin:16px 0}.price-amount{font-size:48px;font-weight:900}.price-period{font-size:16px;color:var(--text-muted)}.upgrade-features{list-style:none;margin-bottom:20px;display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--text-secondary)}.upgrade-note{margin-top:12px;text-align:center;font-size:12px;color:var(--text-muted)}@media(max-width:768px){.nav-links{display:none}.hero{padding:120px 0 60px}.steps-grid{grid-template-columns:1fr;gap:16px}.features-grid,.pricing-grid{grid-template-columns:1fr}.platform-grid{grid-template-columns:repeat(3,1fr)}.footer-inner{flex-direction:column;gap:12px;text-align:center}}@media(max-width:480px){.platform-grid{grid-template-columns:repeat(3,1fr)}.hero-platforms{gap:8px}.platform-pill{padding:6px 12px;font-size:12px}.modal{padding:24px}}.slingshot-container{position:fixed;bottom:40px;left:40px;width:120px;height:150px;z-index:50;pointer-events:none}@media(max-width:768px){.slingshot-container{width:80px;height:100px;bottom:20px;left:20px}}.slingshot-svg{width:100%;height:100%;filter:drop-shadow(0 4px 12px rgba(0,0,0,.8))}.band-back,.band-front,.pouch,.projectile{transform-origin:60px 28px}.slingshot-container.slinging .band-back,.slingshot-container.slinging .band-front,.slingshot-container.slinging .pouch,.slingshot-container.slinging .projectile{animation:slingshotDraw 1.5s ease-out forwards}.flying-projectile{position:absolute;top:28px;left:60px;width:28px;height:28px;margin-top:-14px;margin-left:-14px;background:#020108;border:2.5px solid var(--accent);border-radius:50%;box-shadow:0 0 16px var(--accent),0 0 32px var(--accent);opacity:0;display:flex;align-items:center;justify-content:center}.flying-projectile:after{content:"POSTSLING";color:#fff;font-size:5px;font-weight:900;font-family:sans-serif;letter-spacing:.5px;text-shadow:0 0 2px white}@media(max-width:768px){.flying-projectile{top:20px;left:40px;width:20px;height:20px;margin-top:-10px;margin-left:-10px}.flying-projectile:after{font-size:4px}}.slingshot-container.slinging .flying-projectile{animation:projectileShoot 1.5s ease-out forwards}@keyframes slingshotDraw{0%{transform:translate(0)}40%{transform:translate(-25px,20px)}45%{transform:translate(8px,-6px)}55%,to{transform:translate(0)}}@keyframes projectileShoot{0%,43%{opacity:0;transform:translate(0) scale(1)}44%{opacity:1;transform:translate(8px,-6px) scale(1)}45%{opacity:1;transform:translate(80vw,-40vh) scale(2)}50%,to{opacity:0;transform:translate(100vw,-50vh) scale(2)}}