*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #f5f7fa;--bg-primary-rgb: 245, 247, 250;--bg-secondary: #eef0f3;--surface: #ffffff;--surface-hover: #f0f2f5;--primary: #5f7a92;--primary-light: #7c93aa;--primary-dark: #405b73;--text: #1a2632;--text-secondary: #3e4c5a;--text-muted: #6b7a88;--border: #d0d9e2;--shadow: 0 20px 35px -10px rgba(0, 20, 40, .1);--shadow-hover: 0 25px 40px -12px rgba(95, 122, 146, .2);--radius: 16px;--radius-sm: 8px;--transition: all .25s ease;--sidebar-width: 260px}body.dark-mode{--bg-primary: #0f1419;--bg-primary-rgb: 15, 20, 25;--bg-secondary: #1a2128;--surface: #232b33;--surface-hover: #2c3640;--primary: #5f7a92;--primary-light: #a6b8c9;--primary-dark: #405b73;--text: #eef2f5;--text-secondary: #a0b3c5;--text-muted: #6f859a;--border: #2d3843;--shadow: 0 20px 35px -10px rgba(0, 0, 0, .6);--shadow-hover: 0 25px 40px -12px rgba(95, 122, 146, .3)}body{font-family:Inter,sans-serif;background:var(--bg-primary);color:var(--text);line-height:1.6;font-weight:400;display:flex;overflow-x:hidden;transition:background-color .3s,color .3s,border-color .3s}.sidebar{position:fixed;top:0;left:0;height:100vh;width:var(--sidebar-width);background:rgba(var(--bg-primary-rgb),.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:28px 0;z-index:200;box-shadow:4px 0 25px #0000004d;transition:background .3s,border-color .3s}.sidebar-header{padding:0 24px 28px;border-bottom:1px solid var(--border)}.sidebar-logo{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:600;font-size:1.4rem;color:var(--text);letter-spacing:-.02em}.sidebar-logo i{color:var(--primary-light);font-size:2rem;transition:color .3s}.sidebar-logo .accent{color:var(--primary-light);font-weight:700}.sidebar-nav{flex:1;padding:30px 16px;display:flex;flex-direction:column;gap:6px}.nav-link{display:flex;align-items:center;gap:16px;padding:12px 20px;text-decoration:none;color:var(--text-secondary);border-radius:40px;transition:var(--transition);font-weight:500;font-size:.95rem}.nav-link i{font-size:1.3rem;min-width:24px;color:var(--primary-light);transition:var(--transition)}.nav-link span{font-size:1rem}.nav-link:hover,.nav-link.active{background:var(--primary);color:var(--bg-primary)}.nav-link:hover i,.nav-link.active i{color:var(--bg-primary)}.sidebar-footer{padding:20px 20px 10px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:12px}.theme-toggle{background:transparent;border:1px solid var(--border);border-radius:40px;padding:8px 12px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;color:var(--text-secondary);transition:var(--transition);width:100%}.theme-toggle i{font-size:1.2rem}.theme-toggle .fa-sun{color:#f59e0b}.theme-toggle .fa-moon{color:#94a3b8}body.dark-mode .theme-toggle .fa-sun{display:none}body:not(.dark-mode) .theme-toggle .fa-moon{display:none}.sidebar-join{width:100%;justify-content:center;background:transparent;border:1.5px solid var(--primary-light);color:var(--primary-light)}.sidebar-join:hover{background:var(--primary-light);color:var(--bg-primary);border-color:var(--primary-light)}.mobile-menu-btn{display:none;position:fixed;top:20px;left:20px;z-index:250;background:var(--surface);border:1px solid var(--border);color:var(--text);width:48px;height:48px;border-radius:50%;font-size:1.5rem;cursor:pointer;box-shadow:var(--shadow);align-items:center;justify-content:center;backdrop-filter:blur(8px);transition:background .3s,border-color .3s,color .3s}.main-content{margin-left:var(--sidebar-width);width:calc(100% - var(--sidebar-width));transition:margin-left .3s ease}.container{max-width:1280px;margin:0 auto;padding:0 32px;width:100%}.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden}#bg-canvas{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.5}.hero-content{position:relative;z-index:2;max-width:800px;margin:0 auto;text-align:center}.hero-badge{display:inline-block;padding:6px 20px;background:#5f7a921a;color:var(--primary-light);border-radius:40px;font-weight:500;font-size:.8rem;letter-spacing:1.5px;margin-bottom:24px;border:1px solid rgba(166,184,201,.2);backdrop-filter:blur(4px);transition:color .3s,border-color .3s}.hero-title{font-size:clamp(2.8rem,10vw,5.5rem);font-weight:700;line-height:1.1;margin-bottom:16px;letter-spacing:-.02em}.hero-title .block{display:block}.hero-title .accent{color:var(--primary-light);font-weight:800;transition:color .3s}.hero-subtitle{font-size:1.3rem;color:var(--text-secondary);margin-bottom:40px;font-weight:400;transition:color .3s}.hero-actions{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}.scroll-indicator{position:absolute;bottom:30px;left:50%;transform:translate(-50%);width:2px;height:60px;background:linear-gradient(to bottom,var(--primary-light),transparent);animation:pulse 2s infinite;z-index:2;opacity:.6;transition:background .3s}@keyframes pulse{0%{opacity:.2;transform:translate(-50%) scaleY(.5)}50%{opacity:1;transform:translate(-50%) scaleY(1)}to{opacity:.2;transform:translate(-50%) scaleY(.5)}}.section{padding:90px 0;position:relative;z-index:2}.alt-bg{background:var(--bg-secondary);transition:background .3s}.section-header{margin-bottom:50px;border-left:4px solid var(--primary-light);padding-left:24px;transition:border-color .3s}.section-tag{font-size:.75rem;font-weight:600;letter-spacing:3px;color:var(--primary-light);display:block;margin-bottom:6px;text-transform:uppercase;transition:color .3s}.section-header h2{font-size:clamp(2rem,4vw,3.2rem);font-weight:600;letter-spacing:-.01em}.section-header .accent{color:var(--primary-light);font-weight:700;transition:color .3s}.card{background:var(--surface);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);transition:var(--transition),background .3s,border-color .3s,box-shadow .3s;border:1px solid var(--border)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary-light)}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.about-text .lead{font-size:1.3rem;font-weight:500;color:var(--primary-light);margin-bottom:20px;transition:color .3s}.about-text p{color:var(--text-secondary);margin-bottom:30px;transition:color .3s}.stats{display:flex;gap:30px;margin-top:30px}.stat-item{text-align:center}.stat-value{display:block;font-size:1.8rem;font-weight:700;color:var(--primary-light);transition:color .3s}.stat-label{font-size:.8rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;transition:color .3s}.concepts-cloud{display:flex;flex-direction:column;justify-content:center}.concepts-title{font-size:1.6rem;font-weight:500;color:var(--primary-light);margin-bottom:24px;text-align:center;transition:color .3s}.concepts-grid{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.concept-chip{background:#5f7a9214;border:1px solid var(--border);color:var(--text-secondary);padding:10px 22px;border-radius:40px;font-size:.9rem;font-weight:500;transition:var(--transition),background .3s,color .3s,border-color .3s}.concept-chip:hover{background:var(--primary);color:var(--bg-primary);border-color:var(--primary);transform:scale(1.02)}.details-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:25px}.detail-card{text-align:center;padding:28px 20px}.detail-card i{font-size:2.2rem;color:var(--primary-light);margin-bottom:16px;transition:color .3s}.detail-card h3{font-size:1.2rem;font-weight:600;margin-bottom:8px}.detail-card p{color:var(--text-secondary);font-weight:400;font-size:.95rem;transition:color .3s}.leaders-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px}.leader-card{text-align:center;padding:28px 20px}.leader-avatar{width:100px;height:100px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:2.8rem;color:var(--bg-primary);border:2px solid var(--primary-light);background:var(--primary-light)!important;transition:border-color .3s,background .3s,color .3s}.leader-card h3{font-size:1.4rem;margin-bottom:4px;font-weight:600}.role{color:var(--primary-light);font-weight:500;text-transform:uppercase;font-size:.75rem;letter-spacing:1px;transition:color .3s}.activities-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:25px}.activity-card{text-align:center;padding:28px 20px}.activity-card i{font-size:2.2rem;color:var(--primary-light);margin-bottom:16px;transition:color .3s}.activity-card h3{font-size:1.2rem;margin-bottom:8px;font-weight:600}.activity-card p{color:var(--text-secondary);font-size:.9rem;transition:color .3s}.footer{background:var(--bg-secondary);border-top:1px solid var(--border);padding:60px 0 0;margin-top:60px;transition:background .3s,border-color .3s}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.5fr;gap:40px;margin-bottom:40px}.footer-brand{display:flex;flex-direction:column;gap:16px}.footer-logo{display:flex;align-items:center;gap:10px;font-size:1.6rem;font-weight:600;color:var(--text);transition:color .3s}.footer-logo i{color:var(--primary-light);transition:color .3s}.footer-tagline{font-style:italic;color:var(--text-secondary);font-size:1rem;transition:color .3s}.footer-social{display:flex;gap:20px;margin-top:10px}.footer-social a{color:var(--text-secondary);font-size:1.5rem;transition:color .2s}.footer-social a:hover{color:var(--primary-light)}.footer-links h4,.footer-contact h4{font-size:1.1rem;font-weight:600;margin-bottom:20px;color:var(--text);text-transform:uppercase;letter-spacing:1px;transition:color .3s}.footer-links ul{list-style:none}.footer-links li{margin-bottom:12px}.footer-links a{text-decoration:none;color:var(--text-secondary);transition:color .2s}.footer-links a:hover{color:var(--primary-light)}.footer-contact p{margin-bottom:12px;color:var(--text-secondary);display:flex;align-items:center;gap:8px;transition:color .3s}.footer-contact i{color:var(--primary-light);width:20px;transition:color .3s}.developer-credit a{color:var(--primary-light);text-decoration:none;border-bottom:1px dotted}.developer-credit a:hover{border-bottom-style:solid}.footer-bottom{background:#0000001a;padding:20px 0;text-align:center;color:var(--text-muted);font-size:.9rem;transition:background .3s,color .3s}.notification{position:fixed;bottom:30px;right:30px;background:var(--surface);color:var(--primary-light);padding:14px 28px;border-radius:40px;font-weight:500;box-shadow:var(--shadow-hover);transform:translate(400px);transition:transform .4s ease,background .3s,color .3s,border-color .3s;z-index:300;border:1px solid var(--primary-light);backdrop-filter:blur(8px)}.notification.show{transform:translate(0)}.btn{border:none;background:transparent;padding:10px 24px;font-weight:500;font-size:.95rem;cursor:pointer;transition:var(--transition),background .3s,color .3s,border-color .3s;display:inline-flex;align-items:center;gap:8px;border-radius:40px;font-family:inherit;border:1.5px solid transparent}.btn-primary{background:var(--primary);color:var(--bg-primary)}.btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:0 10px 20px -8px var(--primary-light)}.btn-outline{border-color:var(--primary-light);color:var(--primary-light);background:transparent}.btn-outline:hover{background:var(--primary-light);color:var(--bg-primary);transform:translateY(-2px)}.btn-large{padding:14px 36px;font-size:1rem}@media(max-width:900px){body{display:block}.sidebar{transform:translate(-100%);width:280px;transition:transform .3s ease}.sidebar.active{transform:translate(0)}.main-content{margin-left:0;width:100%}.mobile-menu-btn{display:flex}.about-grid{grid-template-columns:1fr}.stats{justify-content:center}.footer-grid{grid-template-columns:1fr;gap:30px}}@media(max-width:600px){.container{padding:0 20px}.hero-actions{flex-direction:column;align-items:stretch}.btn-large{width:100%;justify-content:center}.section-header h2{font-size:1.8rem}.card{padding:24px 16px}.stat-value{font-size:1.4rem}}