:root{--bg-primary: #040209;--bg-surface-1: #0e0b16;--bg-surface-2: #161224;--bg-glass: rgba(255, 255, 255, .03);--bg-glass-hover: rgba(255, 255, 255, .06);--accent-primary: #6c5ce7;--accent-primary-light: #a29bfe;--accent-secondary: #00cec9;--accent-warm: #fd79a8;--gradient-primary: linear-gradient(135deg, #6c5ce7, #00cec9);--gradient-orange: linear-gradient(135deg, #ff7675, #fd79a8);--text-primary: #f8f8f2;--text-secondary: #a0a0b0;--text-tertiary: #6b6b80;--border-subtle: rgba(255, 255, 255, .08);--border-default: rgba(255, 255, 255, .12);--border-glow: rgba(108, 92, 231, .3);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--fs-xs: .8rem;--fs-sm: .875rem;--fs-base: 1rem;--fs-md: 1.125rem;--fs-lg: 1.25rem;--fs-xl: 1.75rem;--fs-2xl: 2.5rem;--fs-3xl: 3.5rem;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-lg: 0 10px 40px rgba(0, 0, 0, .6);--shadow-glow: 0 0 30px rgba(108, 92, 231, .2);--duration-base: .25s;--duration-slow: .45s;--ease-out: cubic-bezier(.22, 1, .36, 1)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);overflow-x:hidden;line-height:1.6}.aurora-glow{position:absolute;width:600px;height:600px;border-radius:50%;filter:blur(140px);opacity:.18;z-index:-1;pointer-events:none;animation:floatGlow 15s infinite alternate ease-in-out}.aurora-glow--1{background:var(--accent-primary);top:-10%;left:-10%;animation-delay:0s}.aurora-glow--2{background:var(--accent-secondary);top:30%;right:-10%;animation-delay:-5s}.aurora-glow--3{background:var(--accent-warm);bottom:-10%;left:20%;animation-delay:-10s}@keyframes floatGlow{0%{transform:translate(0) scale(1)}to{transform:translate(80px,50px) scale(1.2)}}.glass-card{background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);transition:border-color var(--duration-base) var(--ease-out),transform var(--duration-base) var(--ease-out),box-shadow var(--duration-base) var(--ease-out)}.glass-card:hover{border-color:var(--border-default)}.header{position:fixed;top:0;left:0;width:100%;z-index:100;background:#040209b3;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border-subtle)}.header__container{max-width:1200px;margin:0 auto;padding:var(--space-md) var(--space-lg);display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:var(--space-sm);color:var(--text-primary);text-decoration:none;font-weight:700;font-size:var(--fs-md);transition:transform var(--duration-base) var(--ease-out)}.logo:hover{transform:scale(1.02)}.logo__icon{color:var(--accent-secondary)}.nav{display:flex;gap:var(--space-xl)}.nav__link{color:var(--text-secondary);text-decoration:none;font-size:var(--fs-sm);font-weight:500;transition:color var(--duration-base) var(--ease-out)}.nav__link:hover{color:var(--text-primary)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-full);font-weight:600;font-size:var(--fs-sm);text-decoration:none;cursor:pointer;transition:transform var(--duration-base) var(--ease-out),box-shadow var(--duration-base) var(--ease-out),background-color var(--duration-base) var(--ease-out)}.btn-primary{background:var(--gradient-primary);color:#fff;border:none;box-shadow:0 4px 15px #6c5ce74d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #6c5ce780,var(--shadow-glow)}.btn-secondary{background:var(--bg-surface-2);color:var(--text-primary);border:1px solid var(--border-default)}.btn-secondary:hover{background:var(--bg-glass-hover);transform:translateY(-2px)}.btn-lg{padding:var(--space-md) var(--space-2xl);font-size:var(--fs-base)}.hero{padding-top:140px;padding-bottom:var(--space-3xl);text-align:center;position:relative}.hero__container{max-width:900px;margin:0 auto;padding:0 var(--space-lg);display:flex;flex-direction:column;align-items:center}.hero__title{font-size:var(--fs-3xl);font-weight:800;line-height:1.15;margin-bottom:var(--space-md);letter-spacing:-1px}.hero__title .highlight{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero__subtitle{font-size:var(--fs-md);color:var(--text-secondary);max-width:680px;margin-bottom:var(--space-2xl)}.hero__form{position:relative;width:100%;max-width:680px;background:#ffffff05;border:1.5px solid var(--border-subtle);border-radius:var(--radius-full);padding:var(--space-sm);display:flex;gap:var(--space-sm);box-shadow:var(--shadow-lg),0 0 25px #6c5ce71a;margin-bottom:var(--space-3xl);transition:border-color var(--duration-base) var(--ease-out),box-shadow var(--duration-base) var(--ease-out)}.hero__form:focus-within{border-color:var(--accent-primary-light);box-shadow:var(--shadow-lg),0 0 35px #6c5ce740}.hero__form input{flex:1;background:none;border:none;outline:none;color:var(--text-primary);font-size:var(--fs-sm);padding:0 var(--space-md)}.hero__form input::placeholder{color:var(--text-tertiary)}.hero__submit{background:var(--gradient-primary);border:none;outline:none;border-radius:var(--radius-full);color:#fff;padding:0 var(--space-xl);height:48px;font-weight:600;font-size:var(--fs-sm);display:inline-flex;align-items:center;gap:var(--space-sm);cursor:pointer;transition:transform var(--duration-base) var(--ease-out),box-shadow var(--duration-base) var(--ease-out)}.hero__submit:hover{transform:scale(1.02);box-shadow:0 4px 15px #00cec966}.app-mockup{width:100%;max-width:840px;border-radius:var(--radius-lg);overflow:hidden;border-color:var(--border-glow)}.app-mockup__header{background:#0e0b1680;border-bottom:1px solid var(--border-subtle);padding:var(--space-sm) var(--space-md);display:flex;align-items:center}.app-mockup__dots{display:flex;gap:6px;margin-right:var(--space-xl)}.app-mockup__dot{width:10px;height:10px;border-radius:50%}.app-mockup__dot.red{background-color:#ff7675}.app-mockup__dot.yellow{background-color:#fdcb6e}.app-mockup__dot.green{background-color:#00b894}.app-mockup__title-bar{flex:1;text-align:center;font-size:11px;color:var(--text-tertiary);margin-right:48px}.app-mockup__body{display:grid;grid-template-columns:1.25fr 1fr;background:#0e0b164d;min-height:380px}.app-mockup__left{border-right:1px solid var(--border-subtle);padding:var(--space-md);display:flex;flex-direction:column;gap:var(--space-md)}.mockup-player{background:#000;border-radius:var(--radius-md);overflow:hidden;display:flex;flex-direction:column}.mockup-player__screen{aspect-ratio:16 / 9;background:linear-gradient(180deg,#0000001a,#0009),url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%231b1429"/></svg>');display:flex;align-items:center;justify-content:center}.mockup-player__meta{padding:var(--space-sm) var(--space-md);text-align:left}.mockup-player__title{font-size:var(--fs-xs);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mockup-player__channel{font-size:10px;color:var(--text-secondary)}.mockup-chapters{text-align:left}.mockup-chapters__header{font-size:11px;font-weight:600;color:var(--text-secondary);margin-bottom:var(--space-sm);text-transform:uppercase;letter-spacing:.5px}.mockup-chapters__list{display:flex;flex-direction:column;gap:var(--space-xs)}.mockup-chapter{display:flex;gap:var(--space-sm);font-size:11px;color:var(--text-tertiary);padding:4px;border-radius:var(--radius-sm)}.mockup-chapter.active{color:var(--text-primary);background:var(--bg-glass-hover)}.mockup-chapter__time{color:var(--accent-primary-light);font-weight:600}.app-mockup__right{padding:var(--space-md);display:flex;flex-direction:column}.mockup-tabs{display:flex;gap:var(--space-md);border-bottom:1px solid var(--border-subtle);padding-bottom:var(--space-xs);margin-bottom:var(--space-md)}.mockup-tab{font-size:11px;font-weight:500;color:var(--text-tertiary);cursor:pointer;padding-bottom:4px;position:relative}.mockup-tab.active{color:var(--text-primary);font-weight:600}.mockup-tab.active:after{content:"";position:absolute;bottom:-5px;left:0;width:100%;height:2px;background:var(--gradient-primary)}.mockup-chat{flex:1;display:flex;flex-direction:column;gap:var(--space-md);text-align:left}.mockup-chat__message{display:flex;flex-direction:column;max-width:85%}.mockup-chat__message.user{align-self:flex-end}.mockup-chat__message.assistant{align-self:flex-start}.mockup-chat__bubble{padding:6px 10px;border-radius:var(--radius-md);font-size:11px;line-height:1.4}.mockup-chat__message.user .mockup-chat__bubble{background:var(--accent-primary);color:#fff;border-bottom-right-radius:2px}.mockup-chat__message.assistant .mockup-chat__bubble{background:var(--bg-surface-2);border:1px solid var(--border-subtle);border-bottom-left-radius:2px}.mockup-chat__link{color:var(--accent-primary-light);text-decoration:underline;cursor:pointer}.mockup-chat__meta{font-size:9px;color:var(--text-tertiary);margin-top:3px}.mockup-chat__message.user .mockup-chat__meta{align-self:flex-end}.mockup-chat__input{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--border-subtle);padding-top:var(--space-sm);margin-top:var(--space-sm)}.mockup-chat__placeholder{font-size:11px;color:var(--text-tertiary)}.mockup-chat__btn{background:var(--accent-primary);border:none;border-radius:var(--radius-sm);color:#fff;padding:4px 10px;font-size:10px;font-weight:600;cursor:pointer}.section{padding:var(--space-3xl) 0}.section--alt{background:#0e0b1640;border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle)}.section__container{max-width:1100px;margin:0 auto;padding:0 var(--space-lg)}.section__header{text-align:center;margin-bottom:var(--space-3xl)}.section__title{font-size:var(--fs-2xl);font-weight:800;margin-bottom:var(--space-sm);letter-spacing:-.5px}.section__subtitle{font-size:var(--fs-md);color:var(--text-secondary)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:var(--space-lg)}.feature-card{padding:var(--space-xl);text-align:left}.feature-card__icon{width:48px;height:48px;background:#6c5ce71a;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:var(--fs-lg);margin-bottom:var(--space-md)}.feature-card__title{font-size:var(--fs-base);font-weight:700;margin-bottom:var(--space-sm)}.feature-card__desc{font-size:var(--fs-sm);color:var(--text-secondary);line-height:1.5}.flowchart{display:flex;justify-content:space-between;align-items:center;gap:var(--space-md);margin-top:var(--space-lg)}.flowchart__step{flex:1;background:var(--bg-glass);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-lg);text-align:center;display:flex;flex-direction:column;align-items:center;min-height:200px}.flowchart__icon{font-size:var(--fs-xl);margin-bottom:var(--space-sm)}.flowchart__title{font-size:var(--fs-sm);font-weight:700;margin-bottom:var(--space-xs)}.flowchart__desc{font-size:var(--fs-xs);color:var(--text-secondary)}.flowchart__arrow{font-size:var(--fs-lg);color:var(--accent-secondary);font-weight:700}.comparison-wrapper{overflow-x:auto;border-radius:var(--radius-lg)}.comparison-table{width:100%;border-collapse:collapse;text-align:left;min-width:700px}.comparison-table th,.comparison-table td{padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--border-subtle);font-size:var(--fs-sm)}.comparison-table th{background:var(--bg-surface-2);color:var(--text-primary);font-weight:600}.comparison-table td.feature-name{color:var(--text-primary);font-weight:500}.comparison-table td{color:var(--text-secondary)}.comparison-table .active-col{background:#6c5ce70d;font-weight:600;color:var(--text-primary)}.comparison-table th.active-col{background:#6c5ce726}.comparison-table .check{color:#00b894}.comparison-table .cross{color:#ff6b6b}.comparison-table .price{font-weight:600}.pricing-grid{display:flex;justify-content:center;gap:var(--space-xl);max-width:800px;margin:0 auto;flex-wrap:wrap}.pricing-card{flex:1;min-width:300px;max-width:380px;padding:var(--space-2xl) var(--space-xl);display:flex;flex-direction:column;position:relative}.pricing-card.featured{border-color:var(--accent-primary-light);box-shadow:0 10px 40px #6c5ce726}.pricing-card__badge{position:absolute;top:var(--space-md);right:var(--space-md);background:var(--gradient-primary);color:#fff;font-size:10px;font-weight:700;padding:4px 10px;border-radius:var(--radius-full);text-transform:uppercase}.pricing-card__header{border-bottom:1px solid var(--border-subtle);padding-bottom:var(--space-lg);margin-bottom:var(--space-lg);text-align:left}.pricing-card__title{font-size:var(--fs-md);font-weight:700;margin-bottom:var(--space-xs)}.pricing-card__price{font-size:var(--fs-3xl);font-weight:800;margin-bottom:var(--space-sm);color:var(--text-primary)}.pricing-card__price .small{font-size:var(--fs-sm);color:var(--text-secondary);font-weight:500}.pricing-card__desc{font-size:var(--fs-xs);color:var(--text-secondary)}.pricing-card__features{list-style:none;display:flex;flex-direction:column;gap:var(--space-sm);text-align:left;margin-bottom:var(--space-2xl)}.pricing-card__features li{font-size:var(--fs-sm);color:var(--text-secondary);display:flex;align-items:center;gap:var(--space-sm)}.pricing-card__features li:before{content:"✔";color:var(--accent-secondary);font-weight:700}.pricing-card__features li.note:before{content:"*";color:var(--text-tertiary)}.pricing-card__features li.note{font-size:11px;color:var(--text-tertiary)}.pricing-card__btn{margin-top:auto;width:100%}.cta-banner{padding:var(--space-3xl) 0;text-align:center}.cta-banner__container{max-width:900px;margin:0 auto;padding:var(--space-3xl) var(--space-2xl);display:flex;flex-direction:column;align-items:center;border-color:var(--border-glow)}.cta-banner__title{font-size:var(--fs-xl);font-weight:800;margin-bottom:var(--space-sm)}.cta-banner__desc{font-size:var(--fs-base);color:var(--text-secondary);margin-bottom:var(--space-2xl);max-width:580px}.footer{border-top:1px solid var(--border-subtle);background:var(--bg-surface-1);padding:var(--space-2xl) 0;color:var(--text-secondary)}.footer__container{max-width:1200px;margin:0 auto;padding:0 var(--space-lg);display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:var(--space-lg)}.footer__brand{text-align:left}.footer__brand .logo__text{font-weight:700;font-size:var(--fs-md);color:var(--text-primary)}.footer__tagline{font-size:var(--fs-xs);color:var(--text-tertiary);margin-top:var(--space-xs)}.footer__links{display:flex;gap:var(--space-xl)}.footer__links a{color:var(--text-secondary);text-decoration:none;font-size:var(--fs-xs);transition:color var(--duration-base) var(--ease-out)}.footer__links a:hover{color:var(--text-primary)}.footer__copy{font-size:var(--fs-xs);color:var(--text-tertiary);width:100%;text-align:center;margin-top:var(--space-lg);border-top:1px solid rgba(255,255,255,.03);padding-top:var(--space-lg)}@media(max-width:992px){:root{--fs-3xl: 2.75rem;--fs-2xl: 2rem}.flowchart{flex-direction:column;gap:var(--space-md)}.flowchart__arrow{transform:rotate(90deg)}.app-mockup__body{grid-template-columns:1fr}.app-mockup__left{border-right:none;border-bottom:1px solid var(--border-subtle)}}@media(max-width:768px){.nav{display:none}.pricing-grid{flex-direction:column;align-items:center}}