:root{color-scheme:light;--bg: #fbfbfd;--bg-white: #ffffff;--bg-subtle: #f5f5f7;--surface: #ffffff;--surface-hover: #f5f5f7;--surface-raised: #ffffff;--border: rgba(0, 0, 0, .08);--border-strong: rgba(0, 0, 0, .14);--text: #1d1d1f;--text-secondary: #6e6e73;--text-tertiary: #86868b;--brand: #7b3fe4;--brand-rgb: 123, 63, 228;--primary: var(--brand);--primary-hover: #6835d0;--primary-soft: rgba(var(--brand-rgb), .08);--primary-glow: transparent;--accent: var(--brand);--messenger: var(--brand);--messenger-bubble: var(--brand);--messenger-bubble-them: #e8e8ed;--success: #34c759;--warning: #ff9f0a;--danger: #ff3b30;--radius: 12px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 18px;--radius-pill: 980px;--font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow: 0 4px 24px rgba(0, 0, 0, .06);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .08);--shadow-glow: none;--nav-rail: 72px;--sidebar-w: 360px;--topbar-h: 52px;--ease: cubic-bezier(.25, .1, .25, 1)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;border:none;background:none}.logo-img{display:block;object-fit:contain;flex-shrink:0}.logo-wordmark{display:inline-flex;align-items:center;gap:.6rem;font-weight:700;font-size:1.15rem;letter-spacing:-.03em;color:var(--text);text-decoration:none}.logo-wordmark:hover{text-decoration:none}.logo-wordmark.logo-light,.logo-wordmark.logo-light 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loaderBgPulse{0%,to{opacity:1}50%{opacity:.65}}.loader-brand{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:1rem;animation:loaderFadeIn .5s var(--ease) both}.loader-brand--compact{gap:.75rem}.loader-brand-visual{position:relative;width:88px;height:88px;display:grid;place-items:center}.loader-brand--compact .loader-brand-visual{width:72px;height:72px}.loader-orbit{position:absolute;inset:0;border-radius:50%;border:2px solid transparent}.loader-orbit--outer{border-top-color:var(--primary);border-right-color:rgba(var(--brand-rgb),.25);animation:loaderSpin 1.1s cubic-bezier(.5,.1,.3,1) infinite}.loader-orbit--inner{inset:10px;border-bottom-color:#06b6d4;border-left-color:#06b6d433;animation:loaderSpin .85s cubic-bezier(.5,.1,.3,1) infinite reverse}.loader-logo-wrap{position:relative;z-index:1;animation:loaderLogoPulse 2s ease-in-out infinite;filter:drop-shadow(0 4px 12px 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clamp(1.25rem,4vw,3rem)}.features-detail-inner{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}.features-eyebrow{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--primary);margin:0 0 .75rem}.features-detail-text h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:700;letter-spacing:-.03em;line-height:1.2;margin:0 0 1rem}.features-detail-text p{color:var(--text-secondary);line-height:1.65;margin:0 0 1.5rem;font-size:1rem}.features-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.6rem}.features-list li{display:flex;align-items:center;gap:.65rem;font-size:.9375rem;color:var(--text)}.features-list li:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--primary);flex-shrink:0}.features-detail-visual{display:flex;justify-content:center}.security-card{background:linear-gradient(145deg,#1e1b4b,#4c1d95);border-radius:var(--radius-xl);padding:2rem;color:#fff;width:min(280px,100%);display:flex;flex-direction:column;gap:1rem;box-shadow:0 20px 60px rgba(var(--brand-rgb),.3)}.security-icon{width:56px;height:56px;border-radius:var(--radius-md);background:#ffffff1f;display:grid;place-items:center;color:#a78bfa}.security-label{margin:0;font-weight:700;font-size:1.05rem}.security-bars{display:flex;flex-direction:column;gap:.5rem}.bar{height:6px;border-radius:99px;opacity:.85}.security-caption{margin:0;font-size:.78rem;color:#ffffffa6;letter-spacing:.04em}.footer-links{display:flex;gap:1.5rem;align-items:center}.footer-links a{font-size:.8rem;color:var(--text-tertiary)}.footer-links a:hover{color:var(--text-secondary)}[data-theme=dark]{color-scheme:dark;--bg: #000000;--bg-white: #1c1c1e;--bg-subtle: #2c2c2e;--surface: #1c1c1e;--surface-hover: #2c2c2e;--surface-raised: #3a3a3c;--border: rgba(255, 255, 255, .1);--border-strong: rgba(255, 255, 255, .18);--text: #f5f5f7;--text-secondary: #a1a1a6;--text-tertiary: #6e6e73;--primary: #7b3fe4;--primary-hover: #8f5ce9;--primary-soft: rgba(123, 63, 228, .14);--messenger-bubble-them: #3a3a3c;--shadow-sm: none;--shadow: 0 4px 24px rgba(0, 0, 0, .4);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .5)}[data-theme=dark] .app-shell{background:var(--bg)}[data-theme=dark] .app-topbar{background:#08080feb;border-bottom-color:var(--border);backdrop-filter:blur(20px)}[data-theme=dark] .nav-rail{background:#0d0d1af7;border-right-color:var(--border)}[data-theme=dark] .auth-main{background:radial-gradient(ellipse 80% 60% at 50% -10%,rgba(var(--brand-rgb),.12),transparent),linear-gradient(180deg,#08080f,#0f0f1a)}[data-theme=dark] .auth-card-pro{background:#13131ffa;border-color:var(--border);box-shadow:0 0 0 1px #a78bfa14,var(--shadow-lg)}[data-theme=dark] .field input,[data-theme=dark] .field textarea,[data-theme=dark] .field select,[data-theme=dark] .field-select{background:#08080fb3;border-color:var(--border);color:var(--text)}[data-theme=dark] .field input:focus,[data-theme=dark] .field textarea:focus,[data-theme=dark] .field select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #a78bfa2e;background:#08080fe6}[data-theme=dark] .panel{background:var(--surface);border-color:var(--border)}[data-theme=dark] .panel-header{border-bottom-color:var(--border)}[data-theme=dark] .split-messenger,[data-theme=dark] .messages-area,[data-theme=dark] .conv-sidebar{background:var(--surface)}[data-theme=dark] .conv-sidebar{border-right-color:var(--border)}[data-theme=dark] .compose-bar{background:var(--surface);border-top-color:var(--border)}[data-theme=dark] .compose-bar input{background:#08080f99;color:var(--text)}[data-theme=dark] .marketing{background:var(--bg);color:var(--text)}[data-theme=dark] .marketing-nav{background:#08080fe0;border-bottom-color:var(--border);backdrop-filter:saturate(180%) blur(20px)}[data-theme=dark] .bento-card{background:var(--surface);border-color:var(--border)}[data-theme=dark] .bento-card:hover{background:var(--surface-hover);border-color:var(--border-strong)}[data-theme=dark] .btn-secondary{background:#a78bfa12;border-color:#a78bfa40;color:var(--text)}[data-theme=dark] .btn-secondary:hover{background:#a78bfa1f;border-color:#a78bfa66}[data-theme=dark] .btn-ghost{color:var(--text-secondary);border-color:var(--border)}[data-theme=dark] .btn-ghost:hover{background:var(--surface-hover);color:var(--text)}[data-theme=dark] .msg-bubble.theirs{background:var(--messenger-bubble-them);color:var(--text)}[data-theme=dark] .topbar-search{background:#08080f99;border-color:var(--border)}[data-theme=dark] .topbar-search:focus-within{background:#08080fe6;border-color:var(--primary)}[data-theme=dark] .list-item:hover{background:var(--surface-hover)}[data-theme=dark] .list-item.active{background:var(--primary-soft)}[data-theme=dark] .rail-link:hover{background:var(--surface-hover)}[data-theme=dark] .rail-link.active{background:var(--primary-soft)}[data-theme=dark] .alert-error{background:#dc262614;border-color:#dc262640;color:#fca5a5}[data-theme=dark] .alert-success{background:#05966914;border-color:#05966940;color:#6ee7b7}[data-theme=dark] .alert-info{background:rgba(var(--brand-rgb),.1);border-color:rgba(var(--brand-rgb),.3);color:#c4b5fd}[data-theme=dark] .verify-steps span{background:#21262d}[data-theme=dark] .verify-steps span.done{background:#05966926;color:#6ee7b7}[data-theme=dark] .verify-steps span.active{background:var(--primary-soft);color:#c4b5fd}[data-theme=dark] .loading-screen{background:var(--bg)}[data-theme=dark] .hero-glow-orbs:before{background:radial-gradient(ellipse at center,rgba(var(--brand-rgb),.22) 0%,transparent 70%)}[data-theme=dark] .hero-glow-orbs:after{background:radial-gradient(ellipse at center,rgba(129,140,248,.18) 0%,transparent 70%)}[data-theme=dark] .bento-card{background:#13131fd9;backdrop-filter:blur(12px);border-color:var(--border);box-shadow:0 2px 12px #0000004d}[data-theme=dark] .bento-card:hover{background:#1a1a2ee6;border-color:var(--border-strong)}[data-theme=dark] .bento-card.featured{background:linear-gradient(135deg,#6835d0,#7b3fe4);border-color:transparent}[data-theme=dark] .marketing-nav{background:#000000b8;border-bottom-color:var(--border)}[data-theme=dark] .marketing-nav.scrolled{background:#000000eb}[data-theme=dark] .feature-row{border-bottom-color:var(--border)}[data-theme=dark] .hero-device{background:var(--border)}[data-theme=dark] .hero-device-screen{background:var(--bg-white)}[data-theme=dark] .skeleton,[data-theme=dark] .skeleton-line,[data-theme=dark] .skeleton-circle,[data-theme=dark] .skeleton-bubble,[data-theme=dark] .skeleton-block,[data-theme=dark] .skeleton-title{background:linear-gradient(90deg,var(--surface) 0%,var(--surface-hover) 45%,var(--surface) 90%)}[data-theme=dark] .verify-steps span{background:var(--surface-hover);color:var(--text-tertiary)}[data-theme=dark] .auth-trust-list li:before{background:#a78bfa}[data-theme=dark] .cta-band{background:linear-gradient(180deg,transparent 0%,rgba(var(--brand-rgb),.08) 50%,transparent 100%)}[data-theme=dark] .cta-band:before{background:radial-gradient(ellipse 60% 80% at 50% 50%,rgba(var(--brand-rgb),.15),transparent)}[data-theme=dark] .design-inspector,[data-theme=dark] .design-tool-palette{background:var(--surface)}[data-theme=dark] .design-prop-field input,[data-theme=dark] .design-prop-field select,[data-theme=dark] .design-prop-field-full textarea,[data-theme=dark] .design-prop-field-full input[type=text],[data-theme=dark] .design-prop-field-full select,[data-theme=dark] .design-shadow-input{background:#08080f99;border-color:var(--border);color:var(--text)}@media (max-width: 960px){.features-detail-inner{grid-template-columns:1fr}.features-detail-visual{display:none}}