@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-tertiary:#1a1a28;--bg-card:#14141f;--bg-glass:#141423cc;--bg-glass-hover:#1e1e32d9;--text-primary:#e8e8f0;--text-secondary:#9898b0;--text-muted:#5e5e78;--accent-primary:#6c5ce7;--accent-secondary:#a29bfe;--accent-tertiary:#fd79a8;--accent-glow:#6c5ce74d;--user-bubble:#2d2d48;--tutor-bubble:linear-gradient(135deg, #1e1e36 0%, #252544 100%);--tutor-border:#6c5ce740;--success:#00cec9;--warning:#fdcb6e;--danger:#e17055;--border-subtle:#ffffff0f;--border-light:#ffffff1a;--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-xl:24px;--shadow-soft:0 4px 24px #0000004d;--shadow-glow:0 0 40px #6c5ce726;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-smooth:.35s cubic-bezier(.4, 0, .2, 1);--max-width:1200px;--nav-height:64px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%}.hidden{display:none!important}.text-gradient{background:linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.navbar{z-index:100;background:var(--bg-glass);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border-bottom:1px solid var(--border-subtle);height:var(--nav-height);position:sticky;top:0}.nav-inner{max-width:var(--max-width);justify-content:space-between;align-items:center;height:100%;margin:0 auto;padding:0 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24px;display:flex}.brand-banner-icon{object-fit:contain;border-radius:8px;width:42px;height:42px}.brand-banner-text{flex-direction:column;line-height:1.2;display:flex}.brand-banner-name{letter-spacing:.3px;color:var(--text-primary);font-size:14px;font-weight:700}.brand-banner-tagline{color:var(--text-muted);font-size:11px;font-style:italic}.footer-logo-img{object-fit:contain;border-radius:6px;flex-shrink:0;width:30px;height:30px}.footer-brand-info{flex-direction:column;line-height:1.2;display:flex}.footer-byline{color:var(--text-muted);font-size:11px;font-style:italic;font-weight:400}.about-hero-visual{justify-content:center;margin-bottom:28px;display:flex}.about-hero-img-wrap{border-radius:var(--radius-lg);border:1px solid var(--border-subtle);background:#1a1a2e;width:328px;height:250px;position:relative;overflow:hidden;box-shadow:0 4px 24px #6c5ce726,0 0 60px 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var(--shadow-glow);overflow:hidden}.mockup-header{background:var(--bg-tertiary);border-bottom:1px solid var(--border-subtle);align-items:center;gap:12px;padding:12px 16px;display:flex}.mockup-dots{gap:6px;display:flex}.mockup-dots span{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:50%;width:10px;height:10px}.mockup-dots span:first-child{background:var(--danger);border-color:var(--danger)}.mockup-dots span:nth-child(2){background:var(--warning);border-color:var(--warning)}.mockup-dots span:nth-child(3){background:var(--success);border-color:var(--success)}.mockup-title{color:var(--text-muted);font-size:12px;font-weight:500}.mockup-body{flex-direction:column;gap:12px;min-height:260px;padding:20px 16px;display:flex}.mockup-msg{border-radius:var(--radius-md);max-width:85%;padding:10px 14px;font-size:13px;line-height:1.5;animation:.8s ease-out backwards 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