:root{--kast-purple-start: #7C3AED;--kast-purple-end: #4F46E5;--kast-purple-glow: #A855F7;--kast-purple-dark: #5B21B6;--kast-dark: #0A0A0F;--kast-darker: #050508;--kast-dark-card: #111118;--kast-dark-border: #1F1F2E;--kast-light: #FAFAFA;--kast-muted: #71717A;--kast-muted-light: #A1A1AA;--kast-success: #22C55E;--kast-warning: #F59E0B;--kast-error: #EF4444;--section-padding: clamp(4rem, 10vw, 8rem);--container-max: 1280px;--container-padding: clamp(1rem, 5vw, 2rem);--font-display: "Syne", sans-serif;--font-body: "Plus Jakarta Sans", sans-serif;--ease-out-expo: cubic-bezier(.16, 1, .3, 1);--ease-out-quart: cubic-bezier(.25, 1, .5, 1);--transition-fast: .15s var(--ease-out-quart);--transition-normal: .3s var(--ease-out-expo);--transition-slow: .5s var(--ease-out-expo)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body.kast-body{font-family:var(--font-body);background-color:var(--kast-dark);color:var(--kast-light);line-height:1.6;overflow-x:hidden}.noise-overlay{position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:.03;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E")}::selection{background-color:var(--kast-purple-start);color:var(--kast-light)}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:700;line-height:1.1;letter-spacing:-.02em}.text-gradient{background:linear-gradient(135deg,var(--kast-purple-start),var(--kast-purple-glow));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:1rem var(--container-padding);transition:background-color var(--transition-normal),backdrop-filter var(--transition-normal)}.nav.scrolled{background-color:#0a0a0ff2;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--kast-dark-border);box-shadow:0 4px 30px #0000004d}.nav-container{max-width:var(--container-max);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:2rem}.nav-logo{display:flex;align-items:center;gap:.75rem;text-decoration:none;color:var(--kast-light)}.nav-logo-icon{width:36px;height:36px;border-radius:8px}.nav-logo-text{font-family:var(--font-display);font-size:1.25rem;font-weight:700}.nav-links{display:none;align-items:center;gap:2rem}@media(min-width:1024px){.nav-links{display:flex}}.nav-link{font-size:.875rem;font-weight:500;color:var(--kast-muted-light);text-decoration:none;transition:color var(--transition-fast)}.nav-link:hover{color:var(--kast-light)}.nav-actions{display:none;align-items:center;gap:1rem}@media(min-width:1024px){.nav-actions{display:flex}}.nav-btn{display:inline-flex;align-items:center;padding:.5rem 1rem;font-size:.875rem;font-weight:500;text-decoration:none;border-radius:8px;transition:all var(--transition-fast)}.nav-btn-secondary{color:var(--kast-muted-light)}.nav-btn-secondary:hover{color:var(--kast-light)}.nav-btn-primary{background:linear-gradient(135deg,var(--kast-purple-start),var(--kast-purple-end));color:var(--kast-light)}.nav-btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 20px #7c3aed66}.nav-mobile-toggle{display:flex;flex-direction:column;gap:5px;padding:.5rem;background:none;border:none;cursor:pointer}@media(min-width:1024px){.nav-mobile-toggle{display:none}}.nav-mobile-toggle span{display:block;width:24px;height:2px;background-color:var(--kast-light);border-radius:2px;transition:all var(--transition-fast)}.nav-mobile-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-mobile-toggle.active span:nth-child(2){opacity:0}.nav-mobile-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav-mobile{display:none;flex-direction:column;padding:1.5rem var(--container-padding);background-color:#0a0a0ff2;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--kast-dark-border)}.nav-mobile.active{display:flex}@media(min-width:1024px){.nav-mobile{display:none!important}}.nav-mobile-link{padding:1rem 0;font-size:1rem;font-weight:500;color:var(--kast-muted-light);text-decoration:none;border-bottom:1px solid var(--kast-dark-border);transition:color var(--transition-fast)}.nav-mobile-link:hover{color:var(--kast-light)}.nav-mobile-actions{display:flex;flex-direction:column;gap:1rem;margin-top:1.5rem}.nav-mobile-actions .nav-btn{justify-content:center;padding:.75rem 1.5rem}.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-body);font-weight:600;text-decoration:none;border:none;border-radius:12px;cursor:pointer;transition:all var(--transition-normal)}.btn-lg{padding:.875rem 1.75rem;font-size:1rem}.btn-xl{padding:1rem 2rem;font-size:1.125rem}.btn-primary{background:linear-gradient(135deg,var(--kast-purple-start),var(--kast-purple-end));color:var(--kast-light)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px #7c3aed66}.btn-secondary{background-color:var(--kast-dark-card);color:var(--kast-light);border:1px solid var(--kast-dark-border)}.btn-secondary:hover{background-color:var(--kast-dark-border);border-color:var(--kast-muted)}.btn-icon{width:18px;height:18px;transition:transform var(--transition-fast)}.btn:hover .btn-icon{transform:translate(3px)}.btn-icon-left{width:18px;height:18px}.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:calc(80px + var(--section-padding)) var(--container-padding) var(--section-padding);overflow:hidden}.hero-bg{position:absolute;inset:0;z-index:-1}.hero-gradient-mesh{position:absolute;inset:0;background:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(124,58,237,.3),transparent),radial-gradient(ellipse 60% 40% at 80% 50%,rgba(79,70,229,.2),transparent),radial-gradient(ellipse 50% 30% at 20% 80%,rgba(168,85,247,.15),transparent)}.hero-particles{position:absolute;inset:0;overflow:hidden}.hero-content{max-width:var(--container-max);margin:0 auto;width:100%;display:grid;grid-template-columns:1fr;gap:3rem;align-items:center}@media(min-width:1024px){.hero-content{grid-template-columns:1fr 1fr;gap:4rem}}.hero-text{text-align:center}@media(min-width:1024px){.hero-text{text-align:left}}.hero-title{font-size:clamp(2.5rem,8vw,4.5rem);margin-bottom:1.5rem}.hero-title-line{display:block}.hero-title-gradient{background:linear-gradient(135deg,var(--kast-purple-start),var(--kast-purple-glow));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:clamp(1rem,2.5vw,1.25rem);color:var(--kast-muted-light);max-width:500px;margin:0 auto 2rem}@media(min-width:1024px){.hero-subtitle{margin:0 0 2rem}}.hero-cta{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}@media(min-width:1024px){.hero-cta{justify-content:flex-start}}.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;gap:3rem;padding:2rem}@media(min-width:640px){.hero-visual{gap:4rem}}.handwritten-label{position:absolute;display:flex;flex-direction:column;align-items:center;gap:4px;color:#fff;font-family:Caveat,cursive;font-size:1.1rem;font-weight:500;z-index:10;pointer-events:none;opacity:.9}@media(min-width:640px){.handwritten-label{font-size:1.3rem}}.handwritten-label span{white-space:nowrap;text-shadow:0 2px 8px rgba(0,0,0,.5)}.hand-arrow{width:35px;height:50px;color:#fff;filter:drop-shadow(0 2px 4px 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4px}.device-screen{background-color:var(--kast-darker);border-radius:8px;overflow:hidden;aspect-ratio:16/10;width:240px;position:relative}@media(min-width:640px){.device-screen{width:360px}}.device-frame.mobile .device-screen{aspect-ratio:9/16;width:100%;border-radius:16px}.device-app-window{margin:12px;background-color:var(--kast-dark-card);border-radius:8px;border:1px solid var(--kast-dark-border);overflow:hidden}.device-app-window.mobile{margin:8px}.app-window-header{display:flex;align-items:center;gap:6px;padding:8px 12px;background-color:#ffffff08;border-bottom:1px solid var(--kast-dark-border)}.app-window-dot{width:8px;height:8px;border-radius:50%;background-color:var(--kast-dark-border)}.app-window-dot:nth-child(1){background-color:#ef4444}.app-window-dot:nth-child(2){background-color:#f59e0b}.app-window-dot:nth-child(3){background-color:#22c55e}.app-window-title{margin-left:auto;font-size:10px;color:var(--kast-muted)}.app-window-content{padding:16px}.app-placeholder-line{height:8px;background:linear-gradient(90deg,var(--kast-dark-border),transparent);border-radius:4px;margin-bottom:8px}.app-placeholder-line.short{width:60%}.app-placeholder-box{width:100%;height:40px;background:linear-gradient(135deg,#7c3aed33,#4f46e51a);border-radius:8px;margin-top:12px}.hero-stream-flow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:120px;height:80px;z-index:4;pointer-events:none}@media(min-width:640px){.hero-stream-flow{width:150px;height:100px}}.stream-path{width:100%;height:100%;overflow:visible}.stream-line{stroke-dasharray:300;stroke-dashoffset:300;stroke-width:2}.stream-path-curve{fill:none;stroke:url(#streamGradient);stroke-width:2;stroke-linecap:round}.data-packets{position:absolute;inset:0;pointer-events:none}.data-packet{position:absolute;width:8px;height:8px;background:var(--kast-purple-glow);border-radius:50%;box-shadow:0 0 12px var(--kast-purple-glow),0 0 24px #a855f766;opacity:0;transform:scale(0)}.data-packet:nth-child(2){width:6px;height:6px}.data-packet:nth-child(3){width:10px;height:10px}.touch-indicator{position:absolute;bottom:30%;right:30%}.touch-dot{display:block;width:24px;height:24px;background:radial-gradient(circle,#7c3aedcc,#7c3aed4d);border-radius:50%;animation:touch-pulse 1.5s ease-in-out infinite}@keyframes touch-pulse{0%,to{transform:scale(1);opacity:.8}50%{transform:scale(1.3);opacity:.4}}.desktop-taskbar{display:flex;align-items:center;justify-content:flex-end;padding:4px 8px;background-color:#0000004d;border-bottom:1px solid var(--kast-dark-border)}.taskbar-time{font-size:9px;color:var(--kast-muted-light);font-weight:500}.app-toolbar{height:20px;background:linear-gradient(90deg,var(--kast-dark-border) 20%,transparent 20%,transparent 25%,var(--kast-dark-border) 25%,var(--kast-dark-border) 35%,transparent 35%,transparent 40%,var(--kast-dark-border) 40%,var(--kast-dark-border) 50%,transparent 50%);border-radius:4px;margin-bottom:8px}.app-canvas{position:relative;height:60px;background:linear-gradient(135deg,#7c3aed0d,#4f46e505);border-radius:6px;border:1px solid var(--kast-dark-border);overflow:hidden}.canvas-shape{position:absolute;border-radius:4px}.canvas-shape.shape-1{width:30px;height:30px;background:linear-gradient(135deg,var(--kast-purple-start),var(--kast-purple-end));top:8px;left:12px;opacity:.8}.canvas-shape.shape-2{width:40px;height:20px;background:linear-gradient(135deg,#4f46e5,#7c3aed);bottom:8px;right:12px;opacity:.6;border-radius:10px}.connecting-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:#0a0a0ff2;opacity:0;visibility:hidden;z-index:10}.connecting-spinner{width:32px;height:32px;border:3px solid var(--kast-dark-border);border-top-color:var(--kast-purple-start);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.connecting-overlay span,.phone-connecting span{font-size:10px;color:var(--kast-muted-light);font-weight:500}.phone-state{position:absolute;inset:0;opacity:0;visibility:hidden;display:flex;flex-direction:column}.phone-launcher{opacity:1;visibility:visible}.phone-status-bar{display:flex;align-items:center;justify-content:center;padding:6px 12px;font-size:9px;font-weight:600;color:var(--kast-light)}.launcher-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:16px 12px;flex:1;align-content:start}.app-icon{width:36px;height:36px;background:var(--kast-dark-card);border-radius:10px;display:flex;align-items:center;justify-content:center;margin:0 auto;border:1px solid var(--kast-dark-border);transition:transform .1s ease}@media(min-width:640px){.app-icon{width:44px;height:44px;border-radius:12px}}.app-icon svg{width:18px;height:18px;color:var(--kast-muted-light)}@media(min-width:640px){.app-icon svg{width:22px;height:22px}}.app-icon.kast-icon{background:linear-gradient(135deg,var(--kast-purple-start),var(--kast-purple-end));border-color:transparent}.app-icon.kast-icon svg{width:24px;height:24px;color:#fff}@media(min-width:640px){.app-icon.kast-icon svg{width:28px;height:28px}}.app-icon-camera{background:linear-gradient(135deg,#3b82f6,#1d4ed8);border-color:transparent}.app-icon-camera svg{color:#fff}.app-icon-music{background:linear-gradient(135deg,#ec4899,#be185d);border-color:transparent}.app-icon-music svg{color:#fff}.app-icon-mail{background:linear-gradient(135deg,#22c55e,#16a34a);border-color:transparent}.app-icon-mail svg{color:#fff}.app-icon-settings{background:linear-gradient(135deg,#6b7280,#374151);border-color:transparent}.app-icon-settings svg{color:#fff}.app-icon-files{background:linear-gradient(135deg,#f59e0b,#d97706);border-color:transparent}.app-icon-files svg{color:#fff}.kast-app-header{padding:12px;display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--kast-dark-border)}.kast-app-logo{width:24px;height:24px;border-radius:6px}.kast-app-header span{font-size:14px;font-weight:600;color:var(--kast-light)}.kast-app-content{padding:12px;flex:1}.daemon-row{display:flex;align-items:center;gap:10px;padding:12px;background:var(--kast-dark-card);border-radius:10px;border:1px solid var(--kast-dark-border);transition:border-color .3s ease,box-shadow .3s ease}.daemon-row.highlight{border-color:var(--kast-purple-start);box-shadow:0 0 20px #7c3aed4d}.daemon-icon{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#7c3aed33,#4f46e51a);border-radius:8px}.daemon-icon svg{width:16px;height:16px;color:var(--kast-purple-glow)}.daemon-info{flex:1;display:flex;flex-direction:column;gap:2px}.daemon-name{font-size:12px;font-weight:600;color:var(--kast-light)}.daemon-status{font-size:10px;color:var(--kast-success);font-weight:500}.daemon-arrow{width:20px;height:20px;display:flex;align-items:center;justify-content:center}.daemon-arrow svg{width:14px;height:14px;color:var(--kast-muted)}.phone-connecting{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:#0a0a0ffa}.phone-streaming{padding:6px}.phone-streaming .device-app-window.mirrored{margin:0;height:100%;border:1px solid var(--kast-purple-start);box-shadow:0 0 20px #7c3aed33}.phone-streaming .touch-indicator{position:absolute;bottom:25%;right:25%}.tap-indicator{position:absolute;width:36px;height:36px;border-radius:50%;background:#ffffff4d;border:2px solid rgba(255,255,255,.5);opacity:0;transform:scale(0);pointer-events:none;z-index:20}.hero-stream-flow{opacity:0}.hero-scroll-indicator{position:absolute;bottom:2rem;left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:.75rem;color:var(--kast-muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.1em}.scroll-arrow{animation:scroll-bounce 2s ease-in-out infinite}.scroll-arrow svg{width:20px;height:20px}@keyframes scroll-bounce{0%,to{transform:translateY(0)}50%{transform:translateY(8px)}}section{padding:var(--section-padding) var(--container-padding)}.section-container{max-width:var(--container-max);margin:0 auto}.section-header{text-align:center;max-width:720px;margin:0 auto 4rem}.section-label{display:inline-block;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.15em;color:var(--kast-purple-start);margin-bottom:1rem}.section-title{font-size:clamp(2rem,5vw,3rem);margin-bottom:1rem}.section-subtitle{font-size:1.125rem;color:var(--kast-muted-light)}.features{background-color:var(--kast-darker)}.features-grid{display:grid;grid-template-columns:1fr;gap:1.5rem;perspective:1000px}@media(min-width:640px){.features-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.features-grid{grid-template-columns:repeat(3,1fr)}}.feature-card{background-color:var(--kast-dark-card);border:1px solid var(--kast-dark-border);border-radius:16px;padding:2rem;transition:border-color var(--transition-normal),box-shadow var(--transition-normal)}.feature-card:hover{border-color:var(--kast-purple-start);transform:translateY(-4px);box-shadow:0 20px 40px #7c3aed26}.feature-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#7c3aed33,#4f46e51a);border-radius:12px;margin-bottom:1.5rem}.feature-icon svg{width:24px;height:24px;color:var(--kast-purple-glow)}.feature-title{font-size:1.25rem;margin-bottom:.75rem}.feature-description{color:var(--kast-muted-light);font-size:.9375rem;line-height:1.7}.how-it-works{position:relative;background-color:var(--kast-dark)}.steps-container{position:relative;min-height:500px}.step{position:absolute;top:0;left:0;right:0;display:grid;grid-template-columns:1fr;gap:2rem;align-items:center;opacity:0;visibility:hidden;transform:translate(80px)}.step:first-child{opacity:1;visibility:visible;transform:translate(0)}@media(min-width:768px){.step{grid-template-columns:auto 1fr;gap:3rem}}.step-number{font-family:var(--font-display);font-size:clamp(4rem,10vw,6rem);font-weight:800;background:linear-gradient(135deg,var(--kast-dark-border),var(--kast-dark-card));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1}.step-content{max-width:600px}.step-title{font-size:clamp(1.5rem,3vw,2rem);margin-bottom:1rem}.step-description{color:var(--kast-muted-light);font-size:1.0625rem;line-height:1.7;margin-bottom:2rem}.step-visual{margin-top:1.5rem}.terminal-window{background-color:var(--kast-darker);border:1px solid var(--kast-dark-border);border-radius:12px;overflow:hidden;font-family:JetBrains Mono,monospace;font-size:.875rem}.terminal-header{display:flex;align-items:center;gap:8px;padding:12px 16px;background-color:var(--kast-dark-card);border-bottom:1px solid 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svg{width:16px;height:16px}.install-tab:hover{color:var(--kast-light)}.install-tab.active{background:linear-gradient(135deg,var(--kast-purple-start),var(--kast-purple-end));color:#fff}.install-content{display:none}.install-content.active{display:block}.download-buttons{display:flex;flex-direction:column;align-items:center;gap:1rem;padding:2rem;background-color:var(--kast-dark-card);border:1px solid var(--kast-dark-border);border-radius:12px}.btn-download{display:inline-flex;align-items:center;gap:.75rem;padding:1rem 2rem;font-size:1rem}.download-info{font-size:.75rem;color:var(--kast-muted)}.install-alt{margin-top:1rem;font-size:.875rem;color:var(--kast-muted);text-align:center}.install-alt a{color:var(--kast-purple-glow);text-decoration:none}.install-alt a:hover{text-decoration:underline}.app-store-buttons{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;margin-bottom:1.5rem}.store-button{display:flex;align-items:center;gap:.75rem;padding:.875rem 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