.sf-landing{--font-ui:var(--font-hanken-grotesk),system-ui,-apple-system,sans-serif;--font-display:var(--font-space-grotesk),system-ui,sans-serif;--font-mono:var(--font-space-grotesk),ui-monospace,monospace;--page:#faf9f5;--bg:#f1efe9;--surface:#ffffff;--surface-2:#f4f2ec;--surface-3:#e4e0d7;--accent:#0f9e90;--accent-2:#0c8478;--accent-hover:#0c8478;--on-accent:#ffffff;--accent-soft:rgba(15,158,144,0.1);--accent-line:rgba(15,158,144,0.3);--txt:#1c1b18;--txt-2:rgba(28,27,24,0.62);--txt-3:rgba(28,27,24,0.42);--line:rgba(28,27,24,0.1);--line-2:rgba(28,27,24,0.16);--warn:#b3791a;--danger:#d6492f;--ok:#1a9d5e;--violet:#6d4ad0;--r-sm:8px;--r:12px;--r-lg:18px;--r-xl:26px;--ease:cubic-bezier(0.22,1,0.36,1);--shadow-card:0 2px 8px rgba(28,27,24,0.08),0 1px 0 rgba(255,255,255,0.6) inset;--shadow-pop:0 18px 50px -12px rgba(28,27,24,0.22);--glow:0 0 60px -10px rgba(15,158,144,0.3);--glow-a:rgba(15,158,144,0.1);--glow-b:rgba(15,158,144,0.05);position:relative;min-height:100vh;background:var(--page);color:var(--txt);font-family:var(--font-ui);font-size:16px;line-height:1.5;color-scheme:light;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.dark .sf-landing{--page:#0a0a0b;--bg:#121110;--surface:#1c1b18;--surface-2:#232220;--surface-3:#2c2a27;--accent:#1ed4c4;--accent-2:#16b3a6;--accent-hover:#2ce0d0;--on-accent:#04201d;--accent-soft:rgba(30,212,196,0.12);--accent-line:rgba(30,212,196,0.28);--txt:#f4f1ec;--txt-2:rgba(244,241,236,0.56);--txt-3:rgba(244,241,236,0.34);--line:rgba(244,241,236,0.08);--line-2:rgba(244,241,236,0.14);--warn:#f5b544;--danger:#f0664f;--ok:#4fd08a;--violet:#b08bf0;--shadow-card:0 2px 8px rgba(0,0,0,0.32),0 1px 0 rgba(244,241,236,0.03) inset;--shadow-pop:0 18px 50px -12px rgba(0,0,0,0.7);--glow:0 0 60px -10px rgba(30,212,196,0.45);--glow-a:rgba(30,212,196,0.16);--glow-b:rgba(30,212,196,0.06);color-scheme:dark}.sf-landing *,.sf-landing :after,.sf-landing :before{box-sizing:border-box}.sf-landing ::selection{background:rgba(30,212,196,.26);color:var(--txt)}.sf-landing a{color:inherit;text-decoration:none}.sf-landing .wrap{max-width:1180px;margin:0 auto;padding:0 28px}.sf-landing .stack{display:flex;flex-direction:column}.sf-landing .tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}.sf-landing .kicker{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.16em;font-size:12px;font-weight:500;color:var(--accent)}.sf-landing:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;background:radial-gradient(900px 520px at 78% -8%,var(--glow-a),transparent 60%),radial-gradient(700px 500px at 8% 8%,var(--glow-b),transparent 55%)}.sf-landing .cta-band,.sf-landing footer,.sf-landing main,.sf-landing nav{position:relative;z-index:1}.sf-landing nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(16px);background:color-mix(in srgb,var(--page) 72%,transparent);border-bottom:1px solid var(--line)}.sf-landing .nav-in{display:flex;align-items:center;gap:28px;height:68px}.sf-landing .brand{display:flex;align-items:center;gap:11px;font-family:var(--font-display);font-weight:700;font-size:19px;letter-spacing:-.02em}.sf-landing .brand svg{width:26px;height:26px;color:var(--txt)}.sf-landing .nav-links{display:flex;gap:28px;margin-left:12px}.sf-landing .nav-links a{font-size:14.5px;color:var(--txt-2);font-weight:500;transition:color .2s var(--ease)}.sf-landing .nav-links a:hover{color:var(--txt)}.sf-landing .nav-cta{margin-left:auto;display:flex;align-items:center;gap:18px}.sf-landing .nav-cta .ghost{font-size:14.5px;color:var(--txt-2);font-weight:600}.sf-landing .nav-cta .ghost:hover{color:var(--txt)}.sf-landing .nav-toggle{display:grid;place-items:center;width:38px;height:38px;border-radius:999px;background:var(--surface);border:1px solid var(--line-2);color:var(--txt-2);cursor:pointer;flex:none;transition:color .2s var(--ease),background .2s var(--ease)}.sf-landing .nav-toggle:hover{color:var(--txt);background:var(--surface-2)}.sf-landing .nav-toggle svg{width:18px;height:18px}.sf-landing .nav-toggle .ic-sun{display:none}.dark .sf-landing .nav-toggle .ic-sun,.sf-landing .nav-toggle .ic-moon{display:block}.dark .sf-landing .nav-toggle .ic-moon{display:none}.sf-landing .btn{display:inline-flex;align-items:center;gap:9px;justify-content:center;font-family:var(--font-ui);font-weight:700;font-size:15px;border-radius:999px;padding:12px 22px;cursor:pointer;border:0;transition:transform .15s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);white-space:nowrap}.sf-landing .btn:active{transform:scale(.975)}.sf-landing .btn-primary{background:var(--accent);color:var(--on-accent);box-shadow:var(--glow)}.sf-landing .btn-primary:hover{background:var(--accent-hover)}.sf-landing .btn-ghost{background:var(--surface);color:var(--txt);border:1px solid var(--line-2)}.sf-landing .btn-ghost:hover{background:var(--surface-2)}.sf-landing .btn-lg{padding:15px 28px;font-size:16px}.sf-landing .hero{padding:78px 0 40px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.sf-landing .eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 14px;border:1px solid var(--accent-line);background:var(--accent-soft);border-radius:999px;font-size:12.5px;font-weight:600;color:var(--accent);width:max-content}.sf-landing .eyebrow .pdot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}.sf-landing h1.hero-h{font-family:var(--font-display);font-weight:700;letter-spacing:-.035em;line-height:.98;font-size:clamp(44px,6.2vw,76px);margin:22px 0 0}.sf-landing h1.hero-h em{font-style:normal;color:var(--accent)}.sf-landing .hero-sub{font-size:19px;color:var(--txt-2);margin:24px 0 0;max-width:480px;line-height:1.55}.sf-landing .hero-actions{display:flex;gap:14px;margin-top:32px;align-items:center;flex-wrap:wrap}.sf-landing .hero-note{display:flex;gap:18px;margin-top:26px;font-size:13.5px;color:var(--txt-3)}.sf-landing .hero-note span{display:flex;align-items:center;gap:7px}.sf-landing .hero-note svg{width:15px;height:15px;stroke:var(--accent)}.sf-landing .hero-stage{position:relative;height:620px;display:flex;align-items:center;justify-content:center}.sf-landing .phone{width:300px;border-radius:44px;background:#000;padding:11px;box-shadow:var(--shadow-pop),0 0 0 1px rgba(244,241,236,.06);position:relative}.sf-landing .phone:after{content:"";position:absolute;top:18px;left:50%;transform:translateX(-50%);width:116px;height:30px;background:#000;border-radius:999px;z-index:6}.sf-landing .screen{border-radius:34px;overflow:hidden;background:var(--bg);height:620px;display:flex;flex-direction:column;position:relative}.sf-landing .hero-stage .phone.main{z-index:3;transform:translateY(-6px)}.sf-landing .hero-stage .phone.back{position:absolute;right:-26px;top:60px;transform:scale(.82) rotate(6deg);z-index:1;opacity:.92;filter:saturate(.96)}.sf-landing .float-chip{position:absolute;z-index:5;background:var(--surface);border:1px solid var(--line-2);border-radius:14px;padding:11px 14px;box-shadow:var(--shadow-pop);display:flex;gap:10px;align-items:center;font-size:13px;font-weight:600}.sf-landing .float-chip .ic{width:30px;height:30px;border-radius:9px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;flex:none}.sf-landing .float-chip .ic svg{width:16px;height:16px}.sf-landing .fc-1{left:-34px;top:96px;animation:sf-floaty 5s var(--ease) infinite}.sf-landing .fc-2{right:-10px;bottom:96px;animation:sf-floaty 6s var(--ease) infinite .6s}@keyframes sf-floaty{0%,to{transform:translateY(0)}50%{transform:translateY(-12px)}}.sf-landing .s-status{display:flex;justify-content:space-between;align-items:center;padding:16px 22px 0;font-size:13px;font-weight:600;color:var(--txt)}.sf-landing .s-status .dots{display:flex;gap:5px;align-items:center}.sf-landing .s-status .dots i{width:16px;height:10px;border:1.5px solid var(--txt-2);border-radius:3px;display:inline-block}.sf-landing .s-head{padding:30px 22px 0}.sf-landing .s-eyebrow{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-weight:600}.sf-landing .s-title{font-family:var(--font-display);font-weight:600;font-size:21px;letter-spacing:-.02em;margin-top:6px}.sf-landing .rec-timer{font-family:var(--font-display);font-weight:700;font-size:52px;letter-spacing:-.03em;text-align:center;margin:26px 0 4px}.sf-landing .rec-state{text-align:center;font-size:12.5px;color:var(--txt-2);display:flex;align-items:center;justify-content:center;gap:8px}.sf-landing .rec-dot{width:9px;height:9px;border-radius:50%;background:var(--danger);animation:sf-pulsedot 1.4s infinite}@keyframes sf-pulsedot{0%,to{box-shadow:0 0 0 0 rgba(240,102,79,.5)}50%{box-shadow:0 0 0 7px rgba(240,102,79,0)}}.sf-landing .wave{display:flex;align-items:center;justify-content:center;gap:3px;height:56px;margin:20px 22px 0}.sf-landing .wave i{width:3.5px;border-radius:999px;background:var(--accent);opacity:.85;height:12px;animation:sf-bar 1s var(--ease) infinite}@keyframes sf-bar{0%,to{height:8px}50%{height:var(--pk,34px)}}.sf-landing .transcript{margin:22px 18px 0;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);font-size:14.5px;line-height:1.62;color:var(--txt);flex:1;overflow:hidden}.sf-landing .transcript .done{color:var(--txt-2)}.sf-landing .transcript .hl{background:var(--accent-soft);color:var(--accent);border-radius:5px;padding:0 3px;font-weight:600}.sf-landing .transcript .live{color:var(--txt)}.sf-landing .caret{display:inline-block;width:2px;height:16px;background:var(--accent);margin-left:1px;vertical-align:-3px;animation:sf-blink 1s steps(1) infinite}@keyframes sf-blink{50%{opacity:0}}.sf-landing .rec-dock{display:flex;align-items:center;justify-content:center;gap:26px;padding:18px 0 30px}.sf-landing .rec-dock .mini{width:46px;height:46px;border-radius:50%;background:var(--surface-2);border:1px solid var(--line-2);display:grid;place-items:center;color:var(--txt-2)}.sf-landing .rec-dock .mini svg{width:19px;height:19px}.sf-landing .rec-stop{width:72px;height:72px;border-radius:50%;background:var(--danger);display:grid;place-items:center;box-shadow:0 0 0 6px rgba(240,102,79,.16)}.sf-landing .rec-stop i{width:24px;height:24px;background:#fff;border-radius:6px}.sf-landing .doc-card{margin:18px 18px 0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;flex:1}.sf-landing .doc-pill{display:inline-flex;gap:7px;align-items:center;font-size:11px;font-weight:700;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:5px 11px}.sf-landing .doc-h{font-family:var(--font-display);font-weight:600;font-size:18px;margin:14px 0 2px;letter-spacing:-.01em}.sf-landing .doc-line{height:8px;border-radius:999px;background:var(--surface-3);margin-top:11px}.sf-landing .doc-line.s2{width:88%}.sf-landing .doc-line.s3{width:72%}.sf-landing .doc-line.s4{width:94%}.sf-landing .doc-line.s5{width:60%}.sf-landing .doc-sec{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--txt-3);margin-top:18px}.sf-landing .doc-actions{display:flex;gap:8px;padding:16px 18px 26px}.sf-landing .doc-actions .da{flex:1;text-align:center;font-size:12.5px;font-weight:600;padding:11px;border-radius:11px;background:var(--surface-2);border:1px solid var(--line);color:var(--txt-2)}.sf-landing .doc-actions .da.primary{background:var(--accent);color:var(--on-accent);border-color:transparent}.sf-landing .trust{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;padding:22px 0 56px}.sf-landing .trust .t{display:flex;align-items:center;gap:11px;padding:13px 20px;border:1px solid var(--line);background:var(--surface);border-radius:14px;font-size:14px;font-weight:600;color:var(--txt)}.sf-landing .trust .t svg{width:18px;height:18px;stroke:var(--accent);flex:none}.sf-landing .trust .t span{color:var(--txt-2);font-weight:500}.sf-landing .sec{padding:84px 0}.sf-landing .sec-head{max-width:640px;margin:0 auto 56px;text-align:center}.sf-landing .sec-head.left{text-align:left;margin-left:0}.sf-landing .sec-h{font-family:var(--font-display);font-weight:700;letter-spacing:-.03em;line-height:1.04;font-size:clamp(32px,4vw,46px);margin:14px 0 0}.sf-landing .sec-p{font-size:18px;color:var(--txt-2);margin:18px 0 0;line-height:1.55}.sf-landing .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.sf-landing .step{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);padding:28px;position:relative;overflow:hidden}.sf-landing .step-n{font-family:var(--font-mono);font-size:13px;color:var(--accent);font-weight:600;letter-spacing:.1em}.sf-landing .step-h{font-family:var(--font-display);font-weight:600;font-size:22px;margin:14px 0 8px;letter-spacing:-.02em}.sf-landing .step-p{font-size:14.5px;color:var(--txt-2);line-height:1.55}.sf-landing .step-vis{margin-top:22px;height:152px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--bg);overflow:hidden;position:relative}.sf-landing .mv-wave{display:flex;align-items:center;justify-content:center;gap:4px;height:100%}.sf-landing .mv-wave i{width:4px;border-radius:999px;background:var(--accent);height:14px;animation:sf-bar 1.1s var(--ease) infinite}.sf-landing .mv-edit{padding:18px;font-size:13px;line-height:1.7;color:var(--txt-2)}.sf-landing .mv-edit .hl{background:var(--accent-soft);color:var(--accent);border-radius:4px;padding:0 3px;font-weight:600}.sf-landing .mv-edit .cur{border-left:2px solid var(--accent);animation:sf-blink 1s steps(1) infinite;padding-left:1px}.sf-landing .mv-formats{display:flex;flex-direction:column;gap:8px;padding:16px}.sf-landing .mv-formats .f{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;background:var(--surface);border:1px solid var(--line);font-size:12.5px;font-weight:600}.sf-landing .mv-formats .f.on{border-color:var(--accent-line);background:var(--accent-soft);color:var(--accent)}.sf-landing .mv-formats .f .k{width:22px;height:22px;border-radius:6px;background:var(--surface-2);display:grid;place-items:center;font-family:var(--font-mono);font-size:10px;color:var(--txt-2)}.sf-landing .mv-formats .f.on .k{background:var(--accent);color:var(--on-accent)}.sf-landing .feat-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}.sf-landing .card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);padding:30px;transition:border-color .25s var(--ease),transform .25s var(--ease)}.sf-landing .card:hover{border-color:var(--line-2);transform:translateY(-3px)}.sf-landing .card .ic{width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;margin-bottom:18px}.sf-landing .card .ic svg{width:22px;height:22px}.sf-landing .card h3{font-family:var(--font-display);font-weight:600;font-size:21px;margin:0 0 9px;letter-spacing:-.02em}.sf-landing .card p{font-size:14.5px;color:var(--txt-2);margin:0;line-height:1.55}.sf-landing .col-6{grid-column:span 6}.sf-landing .col-4{grid-column:span 4}.sf-landing .col-12{grid-column:span 12}.sf-landing .feat-wide{display:grid;grid-template-columns:1.05fr 1fr;gap:30px;align-items:center}.sf-landing .feat-wide .body h3{font-size:26px}.sf-landing .editdemo{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;font-size:16px;line-height:1.75}.sf-landing .editdemo .seg{transition:background .3s;border-radius:5px;padding:1px 3px}.sf-landing .editdemo .orig{color:var(--txt-3);text-decoration:line-through;text-decoration-color:var(--txt-3)}.sf-landing .editdemo .fix{color:var(--accent);background:var(--accent-soft);font-weight:600}.sf-landing .editdemo .pill{display:inline-flex;gap:6px;align-items:center;font-size:11px;font-weight:700;color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:999px;padding:4px 10px;margin-top:16px}.sf-landing .show{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:stretch}.sf-landing .show-src{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);padding:26px;display:flex;flex-direction:column}.sf-landing .show-src .lab{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--txt-3)}.sf-landing .show-src .tx{font-size:15px;line-height:1.7;color:var(--txt-2);margin-top:16px;flex:1}.sf-landing .show-src .tx b{color:var(--txt);font-weight:600}.sf-landing .show-out{display:flex;flex-direction:column}.sf-landing .fmt-tabs{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}.sf-landing .fmt-tab{font-family:var(--font-ui);font-size:13.5px;font-weight:600;color:var(--txt-2);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:9px 16px;cursor:pointer;transition:all .2s var(--ease)}.sf-landing .fmt-tab.on{background:var(--accent);color:var(--on-accent);border-color:transparent}.sf-landing .fmt-tab:not(.on):hover{color:var(--txt);border-color:var(--line-2)}.sf-landing .fmt-panel{flex:1;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-xl);padding:28px;min-height:340px}.sf-landing .fmt-body{display:none}.sf-landing .fmt-body.on{display:block;animation:sf-rise .4s var(--ease)}@keyframes sf-rise{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.sf-landing .email-from{font-size:13px;color:var(--txt-3);border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:16px}.sf-landing .email-from b{color:var(--txt)}.sf-landing .email-subj{font-family:var(--font-display);font-weight:600;font-size:20px;margin-bottom:14px;letter-spacing:-.01em}.sf-landing .email-body{font-size:14.5px;line-height:1.7;color:var(--txt-2)}.sf-landing .email-body p{margin:0 0 12px}.sf-landing 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