*,:before,:after{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }::backdrop{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }*,:before,:after{box-sizing:border-box;border-width:0;border-style:solid;border-color:#e5e7eb}:before,:after{--tw-content: ""}html,:host{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-family:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent}body{margin:0;line-height:inherit}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-feature-settings:normal;font-variation-settings:normal;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-feature-settings:inherit;font-variation-settings:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:transparent;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dl,dd,h1,h2,h3,h4,h5,h6,hr,figure,p,pre{margin:0}fieldset{margin:0;padding:0}legend{padding:0}ol,ul,menu{list-style:none;margin:0;padding:0}dialog{padding:0}textarea{resize:vertical}input::-moz-placeholder,textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}button,[role=button]{cursor:pointer}:disabled{cursor:default}img,svg,video,canvas,audio,iframe,embed,object{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}.absolute{position:absolute}.hidden{display:none}:root{--bg-gradient: linear-gradient(25deg, #2877b7 0%, #245782 20%, #1b406c 35%, #0f3460 80%, #7c2f8c 100%);--glass-heavy: rgba(0, 0, 0, .6);--glass-panel: rgba(255, 255, 255, .03);--glass-blur-heavy: blur(20px);--glass-blur-panel: blur(15px);--accent-cyan: #00f0ff;--accent-purple: #8b5cf6;--gradient-button: linear-gradient(135deg, #a855f7, #d946ef);--text-white: #ffffff;--text-gray: #d1d5db;--icon-glow: 0 0 3px rgba(0, 240, 255, .5);--transition-smooth: all .3s ease}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,sans-serif;background:linear-gradient(rgba(0,240,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(0,240,255,.03) 1px,transparent 1px),linear-gradient(rgba(0,240,255,.015) 1px,transparent 1px),linear-gradient(90deg,rgba(0,240,255,.015) 1px,transparent 1px),var(--bg-gradient);background-size:100px 100px,100px 100px,20px 20px,20px 20px,100% 100%;background-attachment:fixed;color:var(--text-white);line-height:1.6;overflow-x:hidden;min-height:100dvh;display:flex;flex-direction:column}header{position:fixed;top:0;left:0;right:0;z-index:1000;padding:1rem 2rem;background:var(--glass-heavy);backdrop-filter:var(--glass-blur-heavy);-webkit-backdrop-filter:var(--glass-blur-heavy);border-bottom:1px solid rgba(0,240,255,.1)}.header-container{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:800;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.5px;text-decoration:none}.auth-buttons{display:flex;gap:1rem;align-items:center}.btn-text{color:var(--text-gray);text-decoration:none;font-weight:500;transition:var(--transition-smooth)}.btn-text:hover{color:var(--accent-cyan)}.btn-gradient{background:var(--gradient-button);color:var(--text-white);padding:.75rem 1.5rem;border-radius:50px;text-decoration:none;font-weight:600;font-size:.9rem;border:none;cursor:pointer;transition:var(--transition-smooth);box-shadow:0 4px 15px #a855f766}.btn-gradient:hover{transform:translateY(-2px);box-shadow:0 6px 25px #a855f799}.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px}.hamburger span{display:block;width:25px;height:2px;background:var(--accent-cyan);transition:var(--transition-smooth)}.sidebar{position:fixed;top:0;right:-100%;width:80%;max-width:350px;height:100dvh;background:var(--glass-heavy);backdrop-filter:var(--glass-blur-heavy);-webkit-backdrop-filter:var(--glass-blur-heavy);z-index:2000;padding:2rem;transition:right .4s ease;border-left:1px solid rgba(0,240,255,.1)}.sidebar.active{right:0}.sidebar-overlay{position:fixed;top:0;left:0;width:100%;height:100dvh;background:#00000080;z-index:1999;opacity:0;visibility:hidden;transition:var(--transition-smooth)}.sidebar-overlay.active{opacity:1;visibility:visible}.sidebar-close{position:absolute;top:1.5rem;right:1.5rem;cursor:pointer}.sidebar-close svg{width:24px;height:24px;stroke:var(--accent-cyan);stroke-width:2}.sidebar-buttons{margin-top:4rem;display:flex;flex-direction:column;gap:1rem}.sidebar-buttons .btn-gradient{text-align:center}#app{flex:1;padding-top:80px}.hero{padding:6rem 2rem 4rem;max-width:1400px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;position:relative}.hero-content{display:flex;flex-direction:column;gap:2rem;justify-self:center}.hero-text h1{font-size:clamp(2.5rem,5vw,4rem);font-weight:800;line-height:1.1;margin-bottom:1.5rem;background:linear-gradient(135deg,var(--text-white) 0%,var(--accent-cyan) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-text p{font-size:.9rem;color:var(--text-gray);max-width:500px;line-height:1.6;text-align:justify}.signup-form{background:var(--glass-panel);backdrop-filter:var(--glass-blur-panel);-webkit-backdrop-filter:var(--glass-blur-panel);border:1px solid rgba(0,240,255,.15);border-radius:16px;padding:1.5rem;display:flex;gap:1rem;max-width:480px;flex-direction:column}.form-field{display:flex;flex-direction:column;gap:.5rem}.form-field label{font-size:.9rem;font-weight:500;color:var(--text-gray)}.form-field input{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:.75rem 1rem;color:var(--text-white);font-size:.8rem;font-family:inherit;outline:none;transition:var(--transition-smooth)}.form-field input::-moz-placeholder{color:#fff6}.form-field input::placeholder{color:#fff6}.form-field input:focus{border-color:var(--accent-cyan);box-shadow:0 0 20px #00f0ff26}.signup-form button[type=submit]{margin-top:.5rem}.login-note{font-size:.8rem;color:var(--text-gray);text-align:center}.login-note a{color:var(--accent-cyan);text-decoration:none}.login-note a:hover{text-decoration:underline}.signup-form button[type=submit]:disabled{opacity:.5;cursor:not-allowed}.field-error{font-size:.75rem;color:#f87171;display:block}.field-error:empty{display:none}.field-suggestion{font-size:.75rem;color:var(--accent-cyan);display:block}.field-suggestion:empty{display:none}.suggestion-link{color:var(--text-white);text-decoration:underline;cursor:pointer}.suggestion-link:hover{color:var(--accent-cyan)}.form-alert{background:#f8717126;border:1px solid rgba(248,113,113,.4);border-radius:12px;padding:1rem;color:#fca5a5;font-size:.85rem;max-width:480px;text-align:center}.form-alert[hidden]{display:none}.form-alert.success{background:#4ade8026;border:1px solid rgba(74,222,128,.4);color:#86efac}.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:500px;overflow-x:clip}.growth-chart{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:100vw;max-width:700px;aspect-ratio:700 / 575;pointer-events:none;z-index:0;opacity:.2}.rising-subscribers{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;overflow:hidden;z-index:10}.subscriber{position:absolute;display:flex;align-items:center;gap:4px;padding:8px 12px 8px 8px;background:var(--glass-heavy);-webkit-backdrop-filter:var(--glass-blur-heavy);backdrop-filter:var(--glass-blur-heavy);border-radius:30px;border:1px solid rgba(255,255,255,.15);box-shadow:0 4px 20px #0000004d;opacity:0;bottom:-60px;animation:riseUp 5s ease-in-out infinite}.subscriber svg{width:28px;height:28px}.subscriber .plus{font-size:.9rem;font-weight:700;color:var(--accent-cyan)}@keyframes riseUp{0%{bottom:-60px;opacity:0;transform:scale(.5)}5%{bottom:-60px;opacity:0;transform:scale(.5)}10%{opacity:1;transform:scale(.5)}25%{opacity:1;transform:scale(.85)}50%{opacity:1;transform:scale(.85)}80%{opacity:0;transform:scale(.5)}to{bottom:100%;opacity:0;transform:scale(.5)}}.phone-mockup{width:280px;height:560px;background:linear-gradient(145deg,#1e1e1ef2,#0a0a0afa);border-radius:28px;border:2px solid rgba(0,240,255,.6);position:relative;transform:perspective(1000px) rotateY(-15deg) rotateX(5deg);box-shadow:0 50px 100px #00000080,0 0 15px #00f0ff40,0 0 30px #00f0ff26,inset 0 0 20px #ffffff0d;z-index:1}.phone-mockup:before{content:"";position:absolute;top:8px;left:50%;transform:translate(-50%);width:100px;height:28px;background:#000000f2;border-radius:0 0 16px 16px;z-index:10}.phone-screen{position:absolute;top:8px;left:8px;right:8px;bottom:8px;background:linear-gradient(180deg,#1a1a2e,#16213e);border-radius:22px;border:1px solid rgba(0,180,200,.3);overflow:hidden;display:flex;flex-direction:column;justify-content:center;padding:1rem}.phone-notification{background:#00f0ff1a;border:1px solid rgba(0,240,255,.2);border-radius:12px;padding:.75rem;margin-bottom:.5rem;animation:notificationPulse 3s ease-in-out infinite}.notification-header{display:flex;align-items:center;gap:.4rem;margin-bottom:.25rem}.notification-header .yt-icon{width:14px;height:14px;flex-shrink:0}.phone-notification p{font-size:.65rem;color:var(--text-gray);margin-left:18px}.phone-notification strong{color:var(--accent-cyan);font-size:.7rem}@keyframes notificationPulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.02);opacity:.9}}.separator{width:80%;max-width:800px;height:2px;margin:4rem auto;background:linear-gradient(90deg,transparent 0%,var(--accent-cyan) 50%,transparent 100%);opacity:.5}footer{padding:1.5rem 2rem;max-width:1400px;margin:0 auto 1.5rem;width:100%;box-sizing:border-box}.footer-content{display:flex;flex-direction:row;align-items:baseline;justify-content:center;gap:1rem}.footer-logo{font-size:1.5rem;font-weight:800;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.5px;text-decoration:none}.footer-copyright{color:var(--text-gray);font-size:.85rem}@media(max-width:900px){.auth-buttons{display:none}.hamburger{display:flex}.hero{grid-template-columns:1fr;padding-top:3rem;display:flex;justify-content:center;align-items:center}.hero-text{text-align:center}.hero-text p{margin-left:auto;margin-right:auto}.signup-form{margin:0 auto;flex-direction:column}.hero-visual{display:none}.phone-mockup{width:220px;height:440px;transform:perspective(1000px) rotateY(-10deg) rotateX(3deg)}.phone-notification:first-child{display:none}.subscriber{padding:6px 10px 6px 6px}.subscriber svg{width:22px;height:22px}.subscriber .plus{font-size:.75rem}.growth-chart{opacity:.3}}@media(max-width:600px){header{padding:1rem}.hero{padding:2rem 1rem}.growth-chart{transform:translate(-55%,-50%);width:140vw}.separator{width:90%;margin:2rem auto}footer{padding:1rem}.footer-content{flex-direction:column;align-items:center;text-align:center;gap:.5rem}}