:root{--color-vermilion: #B71C1C;--color-jade: #1B5E20;--color-ink-black: #0F0F0F;--color-warm-rice: #F2EFE9;--color-soft-stone: #D7D2C9;--font-primary: "Inter", "Manrope", "DM Sans", sans-serif;--font-accent: "Playfair Display", serif;--max-width: 1200px;--section-padding: 100px;--card-radius: 20px;--transition-speed: .3s cubic-bezier(.16, 1, .3, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-primary);background-color:var(--color-warm-rice);background-image:radial-gradient(var(--color-soft-stone) 1px,transparent 1px);background-size:24px 24px;background-position:0 0,12px 12px;color:var(--color-ink-black);line-height:1.6;font-size:18px;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{color:var(--color-ink-black);margin-bottom:1rem}h1,h2{font-family:var(--font-accent)}h3,h4,h5,h6{font-family:var(--font-primary)}h1{font-size:56px;font-weight:600;letter-spacing:-.01em;line-height:1.1;color:var(--color-vermilion)}@media(min-width:768px){h1{font-size:72px}}h2{font-size:36px;font-weight:400}p{font-size:16px;margin-bottom:1.5rem}@media(min-width:768px){p{font-size:18px}}a{text-decoration:none;color:inherit;transition:opacity var(--transition-speed)}a:hover{opacity:.8}button,.button{display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-primary);font-weight:500;letter-spacing:.04em;padding:16px 36px;border-radius:100px;border:1px solid transparent;cursor:pointer;transition:all .4s cubic-bezier(.16,1,.3,1);font-size:14px;text-transform:uppercase;text-decoration:none;position:relative;overflow:hidden}button.primary,.button.primary{background-color:transparent;color:var(--color-ink-black);border:1px solid var(--color-ink-black)}button.primary:hover,.button.primary:hover{background-color:var(--color-ink-black);color:var(--color-warm-rice);transform:translateY(-2px);box-shadow:0 16px 32px #0000001a}button.secondary,.button.secondary{background-color:transparent;color:var(--color-ink-black);border:1px solid var(--color-soft-stone)}button.secondary:hover,.button.secondary:hover{border-color:var(--color-ink-black);background-color:transparent;transform:translateY(-2px)}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}section{padding:var(--section-padding) 0}.nav{position:sticky;top:0;z-index:100;background-color:var(--color-warm-rice);transition:background-color var(--transition-speed),border-bottom var(--transition-speed),backdrop-filter var(--transition-speed);border-bottom:1px solid transparent;padding:20px 0}.nav-scrolled{background-color:#f2efe9d9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-soft-stone)}.nav-container{display:flex;align-items:center;justify-content:space-between}.nav-logo span{font-size:24px;font-weight:700;color:var(--color-ink-black);letter-spacing:-.02em}.nav-links{display:none}@media(min-width:768px){.nav-links{display:flex;gap:32px;align-items:center}}.nav-links a{font-size:15px;font-weight:500;color:#666;position:relative}.nav-links a:hover,.nav-links a.active{color:var(--color-ink-black)}.nav-links a.active:after{content:"";position:absolute;bottom:-4px;left:0;width:100%;height:2px;background-color:var(--color-vermilion);border-radius:2px}.nav-actions{display:flex;align-items:center;gap:20px}.nav-signin{font-size:15px;font-weight:500;display:none}@media(min-width:600px){.nav-signin{display:block}}.nav-pro-badge{font-size:13px;font-weight:600;color:var(--color-vermilion);border:1.5px solid var(--color-vermilion);padding:4px 10px;border-radius:100px;text-transform:uppercase;letter-spacing:.05em}.nav-pro-badge:hover{background-color:var(--color-vermilion);color:#fff;opacity:1}.hero{position:relative;padding:140px 0 120px;overflow:hidden;text-align:center;animation:hero-fade .8s cubic-bezier(.16,1,.3,1)}@keyframes hero-fade{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.hero-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:600px;height:600px;background:radial-gradient(circle,#b71c1c0a,#f2efe900 70%);z-index:-1;pointer-events:none}.hero-watermark{position:absolute;right:-5%;bottom:-10%;font-size:800px;line-height:1;color:#ffffff0d;font-family:Playfair Display,serif;font-weight:700;pointer-events:none;z-index:0;-webkit-user-select:none;user-select:none}.hero-container{max-width:900px;display:flex;flex-direction:column;align-items:center}.hero-title{font-family:var(--font-accent);margin-bottom:24px}.hero-title-accent{font-family:var(--font-primary);color:var(--color-ink-black)}.hero-subtitle{font-size:18px;color:#555;margin-bottom:48px;max-width:600px}@media(min-width:768px){.hero-subtitle{font-size:20px}}.hero-actions{display:flex;flex-direction:column;align-items:center;gap:16px;margin-bottom:40px}@media(min-width:500px){.hero-actions{flex-direction:row;justify-content:center}}.hero-button{padding:16px 32px;font-size:18px;width:100%}@media(min-width:500px){.hero-button{width:auto}}.hero-trust{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;font-size:14px;color:#666;font-weight:500}.dot{color:#ccc}.ecosystem-grid{display:grid;grid-template-columns:1fr;gap:24px}@media(min-width:768px){.ecosystem-grid{grid-template-columns:repeat(3,1fr)}}.ecosystem-tile{background-color:#fff;border:1px solid var(--color-soft-stone);border-radius:var(--card-radius);padding:40px 32px;display:flex;flex-direction:column;justify-content:space-between;min-height:280px;transition:transform var(--transition-speed),border-color var(--transition-speed),box-shadow var(--transition-speed);box-shadow:0 4px 20px #00000008}.ecosystem-tile:hover{transform:translateY(-4px);border-color:var(--color-vermilion);box-shadow:0 16px 40px #b71c1c14}.tile-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.tile-title{font-size:24px;font-weight:600;margin:0}.tile-badge{font-size:12px;font-weight:500;color:var(--color-jade);background-color:#1f7a5c1a;padding:4px 8px;border-radius:4px}.tile-description{font-size:16px;color:#555;margin-bottom:32px}.tile-cta{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--color-vermilion);font-size:15px}.tile-cta:hover{opacity:1}.tile-arrow{transition:transform var(--transition-speed)}.ecosystem-tile:hover .tile-arrow{transform:translate(4px)}.organizations{border-top:1px solid var(--color-soft-stone)}.organizations-layout{display:flex;flex-direction:column;gap:48px}@media(min-width:768px){.organizations-layout{flex-direction:row;justify-content:space-between;gap:80px}}.organizations-left{flex:1}.organizations-title{margin:0;line-height:1.2}.organizations-right{flex:1.5;display:flex;flex-direction:column;align-items:flex-start}.organizations-list{list-style:none;padding:0;margin:0 0 40px;display:flex;flex-direction:column;gap:16px}.organizations-list-item{display:flex;align-items:center;gap:16px;font-size:18px;color:#333}.organizations-list-icon{color:var(--color-jade);flex-shrink:0}.organizations-cta{display:inline-flex;align-items:center;font-size:18px;font-weight:600;color:var(--color-ink-black);padding-bottom:4px;border-bottom:2px solid var(--color-vermilion)}.organizations-cta:hover{opacity:.8}.tutor-platform{border-top:1px solid var(--color-soft-stone);overflow:hidden}.tutor-platform-grid{display:grid;grid-template-columns:1fr;gap:64px;align-items:center}@media(min-width:900px){.tutor-platform-grid{grid-template-columns:1fr 1fr;gap:80px}}.tutor-label{font-family:var(--font-primary);font-size:14px;text-transform:uppercase;letter-spacing:.1em;color:var(--color-vermilion);font-weight:700;margin-bottom:24px}.tutor-title{margin-bottom:24px;line-height:1.15}.tutor-desc{font-size:18px;color:#444;margin-bottom:32px}.tutor-features{list-style:none;padding:0;margin:0 0 48px;display:flex;flex-direction:column;gap:16px}.tutor-features li{font-size:16px;font-weight:500;position:relative;padding-left:24px}.tutor-features li:before{content:"—";position:absolute;left:0;color:var(--color-jade)}.tutor-visuals{position:relative;display:flex;flex-direction:column;gap:24px}.tutor-card{background:#fff;border:1px solid var(--color-soft-stone);border-radius:var(--card-radius);box-shadow:0 12px 40px #0000000d}.tutor-card-primary{width:100%;display:flex;flex-direction:column}.tutor-card-secondary{width:100%;background:var(--color-warm-rice);border:1px solid var(--color-jade);padding:32px;display:flex;flex-direction:column;gap:16px;box-shadow:0 12px 40px #1b5e200d}.tutor-card-header{height:48px;border-bottom:1px solid var(--color-soft-stone);display:flex;align-items:center;padding:0 20px}.dot-group{display:flex;gap:8px}.mac-dot{width:12px;height:12px;border-radius:50%}.mac-dot.red{background:#ff5f56}.mac-dot.yellow{background:#ffbd2e}.mac-dot.green{background:#27c93f}.tutor-card-body{padding:40px;display:flex;flex-direction:column;gap:24px}.skeleton-graph{height:120px;background:linear-gradient(135deg,#b71c1c0d,#b71c1c1a);border-radius:12px;margin-bottom:24px}.skeleton-line{height:12px;background:var(--color-soft-stone);border-radius:6px}.skeleton-line.full{width:100%}.skeleton-line.three-quarter{width:75%}.skeleton-line.half{width:50%;opacity:.6}.skeleton-line.short{width:40%;background:var(--color-jade)}.skeleton-line.shorter{width:25%;opacity:.5}.skeleton-avatar{width:48px;height:48px;border-radius:50%;background:var(--color-jade);opacity:.2}.identity{padding:120px 0;border-top:1px solid var(--color-soft-stone)}.text-center{text-align:center}.identity-languages{font-size:14px;font-weight:500;color:#666;text-transform:uppercase;letter-spacing:.1em;margin-bottom:24px}.identity-separator{color:#ccc;margin:0 8px}.identity-statement{font-family:var(--font-accent);font-size:32px;color:var(--color-ink-black);max-width:600px;margin:0 auto}@media(min-width:768px){.identity-statement{font-size:48px}}.footer{border-top:1px solid var(--color-soft-stone);padding:40px 0;font-size:15px}.footer-container{display:flex;flex-direction:column;gap:24px;align-items:center}@media(min-width:768px){.footer-container{flex-direction:row;justify-content:space-between}}.footer-links{display:flex;flex-wrap:wrap;gap:24px;justify-content:center;color:#555;font-weight:500}.footer-links a:hover{color:var(--color-ink-black)}.footer-lang-selector{display:flex;align-items:center;gap:8px;color:#555;transition:color var(--transition-speed)}.footer-lang-selector:hover{color:var(--color-ink-black)}.lang-select{border:none;background:transparent;font-family:var(--font-primary);font-size:15px;color:inherit;cursor:pointer;outline:none;font-weight:500}