:root{--primary-500: #2563eb;--primary-600: #1d4ed8;--primary-700: #1e40af;--accent-400: #a78bfa;--accent-500: #8b5cf6;--accent-600: #7c3aed;--yellow-300: #fcd34d;--yellow-400: #fbbf24;--gray-50: #f8fafc;--gray-100: #f1f5f9;--gray-200: #e2e8f0;--gray-300: #cbd5e1;--gray-400: #94a3b8;--gray-500: #64748b;--gray-600: #475569;--gray-700: #334155;--gray-800: #1e293b;--gray-900: #0f172a;--success-500: #22c55e;--white: #ffffff;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);--radius-sm: 0.375rem;--radius-md: 0.5rem;--radius-lg: 0.75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--transition-fast: 150ms ease;--transition-base: 250ms ease;--transition-slow: 350ms ease;--space-1: 0.25rem;--space-2: 0.5rem;--space-3: 0.75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}body.about-page{font-family:'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;background:var(--gray-50);color:var(--gray-700);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}.about-hero{position:relative;background:linear-gradient(135deg, var(--primary-600) 0%, var(--accent-600) 100%);color:var(--white);padding:5rem 1rem 2.5rem;text-align:center;overflow:hidden;min-height:220px;display:flex;align-items:center;justify-content:center}.hero-bg-elements{position:absolute;inset:0;overflow:hidden;pointer-events:none}.hero-orb{position:absolute;border-radius:50%;background:rgba(255,255,255,0.1);animation:float 6s ease-in-out infinite}.hero-orb-1{width:150px;height:150px;top:-50px;right:-30px;animation-delay:0s}.hero-orb-2{width:100px;height:100px;bottom:-30px;left:10%;animation-delay:2s}.hero-orb-3{width:80px;height:80px;top:30%;left:-20px;animation-delay:4s}@keyframes float{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-15px) scale(1.05)}}.hero-content{position:relative;z-index:1;max-width:600px;margin:0 auto;padding:0 var(--space-4)}.hero-title{font-size:clamp(1.75rem, 6vw, 3.5rem);font-weight:700;margin-bottom:var(--space-3);letter-spacing:-0.02em;line-height:1.2}.hero-title .highlight-ai{color:var(--yellow-300);text-shadow:0 2px 10px rgba(252,211,77,0.3)}.hero-subtitle{font-size:clamp(0.95rem, 2.5vw, 1.25rem);opacity:0.92;max-width:480px;margin:0 auto;line-height:1.5}.about-main{padding:var(--space-6) var(--space-4)}.about-container{max-width:1200px;margin:0 auto}.about-grid{display:flex;flex-direction:column;gap:var(--space-6)}.about-content{display:flex;flex-direction:column;gap:var(--space-6)}.content-section{background:var(--white);border-radius:var(--radius-xl);padding:var(--space-5);box-shadow:var(--shadow-sm);border:1px solid var(--gray-100)}.section-header{display:flex;align-items:center;gap:var(--space-3);margin-bottom:var(--space-4);padding-bottom:var(--space-3);border-bottom:2px solid var(--gray-100)}.section-icon{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-lg);background:linear-gradient(135deg, var(--primary-500), var(--accent-500));color:var(--white);font-size:1rem;flex-shrink:0}.section-header h2{font-size:1.25rem;font-weight:600;color:var(--gray-800);margin:0}.content-section p{color:var(--gray-600);font-size:0.95rem;line-height:1.7;margin:0}.features-grid{display:grid;grid-template-columns:1fr;gap:var(--space-4);margin-top:var(--space-4)}.feature-card{background:#234c82;border-radius:var(--radius-lg);padding:var(--space-5);border:1px solid #1a3a61;transition:transform var(--transition-base),box-shadow var(--transition-base);position:relative;overflow:visible;will-change:transform}.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;border-radius:var(--radius-lg) var(--radius-lg) 0 0}.feature-quiz::before{background:linear-gradient(90deg, var(--primary-500), var(--primary-600))}.feature-studio::before{background:linear-gradient(90deg, var(--accent-500), var(--accent-600))}.feature-icon-wrap{width:48px;height:48px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:1.25rem;margin-bottom:var(--space-4)}.feature-quiz .feature-icon-wrap{background:linear-gradient(135deg, var(--primary-500), var(--primary-600));color:var(--white);box-shadow:0 4px 12px rgba(37,99,235,0.25)}.feature-studio .feature-icon-wrap{background:linear-gradient(135deg, var(--accent-500), var(--accent-600));color:var(--white);box-shadow:0 4px 12px rgba(139,92,246,0.25)}.feature-card h3{font-size:1.1rem;font-weight:600;color:#ffffff;margin:0 0 var(--space-2) 0}.feature-card p{font-size:0.875rem;color:rgba(255,255,255,0.9);line-height:1.6;margin:0 0 var(--space-4) 0}.feature-tags{display:flex;flex-wrap:wrap;gap:var(--space-2)}.feature-tags span{display:inline-flex;align-items:center;gap:4px;font-size:0.75rem;padding:4px 10px;border-radius:20px;font-weight:500}.feature-quiz .feature-tags span{background:rgba(255,255,255,0.15);color:rgba(255,255,255,0.95);border:1px solid rgba(255,255,255,0.2)}.feature-studio .feature-tags span{background:rgba(255,255,255,0.15);color:rgba(255,255,255,0.95);border:1px solid rgba(255,255,255,0.2)}.feature-tags span i{font-size:0.65rem}.feature-card:hover,.feature-card.is-touched{transform:translateY(-4px) translateZ(0);box-shadow:var(--shadow-lg)}.founder-card{display:flex;flex-direction:column;align-items:center;text-align:center;gap:var(--space-4);background:linear-gradient(135deg, var(--gray-50), var(--gray-100));padding:var(--space-5);border-radius:var(--radius-lg);border:1px solid var(--gray-200)}.founder-image{flex-shrink:0;width:100px;height:100px;border-radius:var(--radius-xl);overflow:hidden;border:3px solid var(--white);box-shadow:var(--shadow-md)}.founder-image img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;display:block}.founder-name{font-size:1.2rem;font-weight:700;color:var(--primary-700);margin:0 0 var(--space-1) 0}.founder-role{display:inline-block;font-size:0.875rem;font-weight:500;color:var(--accent-600);margin-bottom:var(--space-3)}.founder-bio{font-size:0.9rem;color:var(--gray-600);line-height:1.7;margin:0}.benefits-list{list-style:none;display:flex;flex-direction:column;gap:var(--space-3);margin:0;padding:0}.benefits-list li{display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-3);background:var(--gray-50);border-radius:var(--radius-md);border:1px solid var(--gray-100);transition:background var(--transition-fast)}.benefits-list li:hover{background:var(--gray-100)}.benefits-list li i{flex-shrink:0;width:20px;height:20px;display:flex;align-items:center;justify-content:center;background:var(--success-500);color:var(--white);border-radius:50%;font-size:0.6rem;margin-top:2px}.benefits-list li span{font-size:0.9rem;color:var(--gray-600);line-height:1.5}.highlight-box{display:flex;align-items:flex-start;gap:var(--space-4);background:linear-gradient(135deg, rgba(37,99,235,0.08), rgba(139,92,246,0.08));border-left:4px solid var(--primary-500);padding:var(--space-5);border-radius:var(--radius-lg);color:var(--primary-700);font-size:0.9rem;line-height:1.7}.highlight-box i{flex-shrink:0;font-size:1.25rem;color:var(--yellow-400);margin-top:2px}.highlight-box strong{color:var(--gray-800)}.about-sidebar{display:flex;flex-direction:column;gap:var(--space-4)}.sidebar-card{background:var(--white);border-radius:var(--radius-xl);padding:var(--space-5);box-shadow:var(--shadow-sm);border:1px solid var(--gray-100)}.sidebar-card h3{display:flex;align-items:center;gap:var(--space-2);font-size:1rem;font-weight:600;color:var(--gray-800);margin:0 0 var(--space-4) 0}.sidebar-card h3 i{color:var(--primary-500);font-size:1rem}.card-description{font-size:0.85rem;color:var(--gray-500);margin:0 0 var(--space-3) 0;line-height:1.5}.contact-list{display:flex;flex-direction:column;gap:var(--space-3);margin-bottom:var(--space-5)}.contact-item{display:flex;align-items:center;gap:var(--space-3);font-size:0.875rem;color:var(--gray-600);text-decoration:none;transition:color var(--transition-fast)}a.contact-item:hover{color:var(--primary-600)}.contact-item i{width:18px;color:var(--primary-500);text-align:center;flex-shrink:0}.contact-item span{word-break:break-word}.contact-actions{display:flex;flex-direction:column;gap:var(--space-3)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:0.75rem 1.25rem;border-radius:var(--radius-lg);font-size:0.875rem;font-weight:600;text-decoration:none;cursor:pointer;border:none;transition:all var(--transition-base);-webkit-tap-highlight-color:transparent}.btn-primary{background:linear-gradient(135deg, var(--primary-500), var(--accent-500));color:var(--white);box-shadow:0 4px 12px rgba(37,99,235,0.25)}.btn-primary:hover{box-shadow:0 6px 20px rgba(37,99,235,0.35);transform:translateY(-2px)}.btn-outline{background:var(--white);color:var(--primary-600);border:1px solid var(--gray-200)}.btn-outline:hover{background:var(--gray-50);border-color:var(--primary-500)}.tech-tags{display:flex;flex-wrap:wrap;gap:var(--space-2)}.tech-tag{display:inline-block;background:rgba(37,99,235,0.08);color:var(--primary-600);padding:6px 12px;border-radius:20px;font-size:0.75rem;font-weight:500;border:1px solid rgba(37,99,235,0.15)}.stats-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:var(--space-3);text-align:center}.stat-item{padding:var(--space-3);background:var(--gray-50);border-radius:var(--radius-md)}.stat-value{display:block;font-size:1.5rem;font-weight:800;background:linear-gradient(135deg, var(--primary-500), var(--accent-500));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}.stat-label{display:block;font-size:0.7rem;color:var(--gray-500);margin-top:4px;line-height:1.2}.sidebar-card time{display:block;font-size:0.9rem;font-weight:600;color:var(--gray-700);margin-bottom:var(--space-2)}.update-note{font-size:0.8rem;color:var(--gray-400);margin:0}[data-animate]{opacity:0;transform:translateY(20px);transition:opacity 0.5s ease, transform 0.5s ease}.is-visible[data-animate]{opacity:1;transform:translateY(0)}.about-content [data-animate]:nth-child(1){transition-delay:0.05s}.about-content [data-animate]:nth-child(2){transition-delay:0.1s}.about-content [data-animate]:nth-child(3){transition-delay:0.15s}.about-content [data-animate]:nth-child(4){transition-delay:0.2s}.about-content [data-animate]:nth-child(5){transition-delay:0.25s}.about-content [data-animate]:nth-child(6){transition-delay:0.3s}.about-content [data-animate]:nth-child(7){transition-delay:0.35s}.about-content [data-animate]:nth-child(8){transition-delay:0.4s}.about-content [data-animate]:nth-child(9){transition-delay:0.45s}.about-sidebar [data-animate]:nth-child(1){transition-delay:0.1s}.about-sidebar [data-animate]:nth-child(2){transition-delay:0.2s}.about-sidebar [data-animate]:nth-child(3){transition-delay:0.3s}.about-sidebar [data-animate]:nth-child(4){transition-delay:0.4s}@media (max-width: 374px){.about-hero{padding:4.5rem 0.75rem 2rem}.hero-title{font-size:1.5rem}.hero-subtitle{font-size:0.9rem}.about-main{padding:var(--space-4) var(--space-3)}.content-section,.sidebar-card{padding:var(--space-4)}.section-icon{width:36px;height:36px;font-size:0.9rem}.section-header h2{font-size:1.1rem}.feature-card{padding:var(--space-4)}.feature-icon-wrap{width:42px;height:42px;font-size:1.1rem}.founder-image{width:80px;height:80px}.stats-grid{grid-template-columns:1fr;gap:var(--space-2)}.stat-item{display:flex;align-items:center;justify-content:space-between;text-align:left}.stat-value{font-size:1.25rem}.stat-label{font-size:0.75rem;margin-top:0}}@media (min-width: 640px){.about-hero{padding:6rem 1.5rem 3rem;min-height:280px}.hero-orb-1{width:200px;height:200px}.hero-orb-2{width:140px;height:140px}.hero-orb-3{width:100px;height:100px}.about-main{padding:var(--space-8) var(--space-6)}.content-section,.sidebar-card{padding:var(--space-6)}.section-icon{width:44px;height:44px;font-size:1.1rem}.section-header h2{font-size:1.35rem}.content-section p{font-size:1rem}.features-grid{grid-template-columns:repeat(2, 1fr);gap:var(--space-5)}.feature-card{padding:var(--space-5)}.founder-card{flex-direction:row;text-align:left;padding:var(--space-6)}.founder-image{width:110px;height:110px}.contact-actions{flex-direction:row}.btn{flex:1}}@media (min-width: 768px){.about-hero{padding:7rem 2rem 3.5rem;min-height:320px}.about-grid{display:grid;grid-template-columns:1fr 320px;gap:var(--space-8);align-items:start}.about-sidebar{position:sticky;top:var(--space-8)}.section-header h2{font-size:1.4rem}.highlight-box{font-size:0.95rem}}@media (min-width: 1024px){.about-hero{padding:8rem 2rem 4rem;min-height:360px}.hero-orb-1{width:280px;height:280px;top:-80px;right:5%}.hero-orb-2{width:180px;height:180px;bottom:-60px;left:8%}.hero-orb-3{width:120px;height:120px;top:40%;left:3%}.about-grid{grid-template-columns:1fr 360px;gap:var(--space-10)}.about-content{gap:var(--space-8)}.content-section,.sidebar-card{padding:var(--space-8)}.section-icon{width:48px;height:48px;font-size:1.2rem}.section-header h2{font-size:1.5rem}.feature-card{padding:var(--space-6)}.feature-icon-wrap{width:56px;height:56px;font-size:1.4rem}.feature-card h3{font-size:1.2rem}.feature-card p{font-size:0.9rem}.founder-image{width:120px;height:120px}.founder-name{font-size:1.35rem}.founder-role{font-size:0.95rem}.founder-bio{font-size:0.95rem}.benefits-list li{padding:var(--space-4)}.benefits-list li span{font-size:0.95rem}.stat-value{font-size:1.75rem}.stat-label{font-size:0.75rem}}@media (min-width: 1280px){.about-container{max-width:1320px}.about-grid{grid-template-columns:1fr 400px;gap:var(--space-12)}.about-hero{padding:9rem 2rem 5rem}.section-header h2{font-size:1.6rem}.content-section p{font-size:1.05rem}}@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important}[data-animate]{opacity:1;transform:none}.hero-orb{animation:none}}@media print{.about-hero{background:var(--gray-700);-webkit-print-color-adjust:exact;print-color-adjust:exact}.hero-bg-elements{display:none}.about-grid{display:block}.about-sidebar{position:static;margin-top:2rem}.sidebar-card{-moz-column-break-inside:avoid;break-inside:avoid}[data-animate]{opacity:1;transform:none}.btn{border:1px solid var(--gray-400)}}