:root{--bg: #f7f3ef;--bg-raised: #fffdfb;--bg-sunken: #efe8e1;--text: #1f1a17;--text-muted: #6b625b;--border: #e2d8cf;--ember: #e0582a;--ember-strong: #c4441a;--ember-soft: #fde6da;--ok: #2f7d4f;--ok-soft: #ddf1e4;--warn-soft: #fff1d6;--danger: #b4321f;--danger-soft: #fbe2dc;--shadow: 0 1px 2px rgb(40 25 15 / .06), 0 8px 28px rgb(40 25 15 / .08);--radius: 14px;--mono: ui-monospace, "SFMono-Regular", "Cascadia Code", "Roboto Mono", Menlo, Consolas, monospace;--sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--bg: #141110;--bg-raised: #1d1917;--bg-sunken: #100e0d;--text: #f3ece6;--text-muted: #a99d94;--border: #322b27;--ember: #f2703c;--ember-strong: #ff8a57;--ember-soft: #3a2017;--ok: #6fcf97;--ok-soft: #173023;--warn-soft: #36290f;--danger: #ff8a75;--danger-soft: #3b1a14;--shadow: 0 1px 2px rgb(0 0 0 / .4), 0 10px 30px rgb(0 0 0 / .35)}}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;text-size-adjust:100%;-webkit-tap-highlight-color:transparent}a{color:var(--ember-strong);text-decoration:none}a:hover{text-decoration:underline}code{font-family:var(--mono);font-size:.9em;background:var(--bg-sunken);padding:.1em .35em;border-radius:5px}h1,h2,h3{line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}.shell{--gutter: clamp(16px, 4vw, 48px);--tabbar-h: 0px;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:20;padding-top:env(safe-area-inset-top);background:color-mix(in srgb,var(--bg) 86%,transparent);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid color-mix(in srgb,var(--border) 70%,transparent)}.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:1180px;margin:0 auto;padding:14px max(var(--gutter),env(safe-area-inset-right)) 14px max(var(--gutter),env(safe-area-inset-left))}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;color:var(--text)}.brand:hover{text-decoration:none}.logo-mark{width:28px;height:28px;fill:var(--ember)}.logo-core{fill:var(--bg)}.topnav{display:flex;align-items:center;gap:22px;font-size:.95rem}.topnav a:not(.btn){color:var(--text-muted)}.content{flex:1;width:100%;max-width:1180px;margin:0 auto;padding:16px max(var(--gutter),env(safe-area-inset-right)) 64px max(var(--gutter),env(safe-area-inset-left))}.footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;max-width:1180px;width:100%;margin:0 auto;padding:24px max(var(--gutter),env(safe-area-inset-right)) calc(32px + var(--tabbar-h) + env(safe-area-inset-bottom)) max(var(--gutter),env(safe-area-inset-left));border-top:1px solid var(--border);color:var(--text-muted);font-size:.9rem}.footer-links{display:flex;gap:18px}.footer-credit{flex-basis:100%;text-align:center;font-size:.85rem}.footer-credit strong{color:var(--text);font-weight:600}.footer-credit a{text-decoration:none}.footer-credit a:hover strong{text-decoration:underline}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:11px 18px;font:inherit;font-weight:600;cursor:pointer;transition:background .15s,border-color .15s,transform .05s;color:var(--text);background:var(--bg-sunken)}.btn:hover{text-decoration:none}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid color-mix(in srgb,var(--ember) 45%,transparent);outline-offset:2px}.btn-primary{background:var(--ember);color:#fff}.btn-primary:hover:not(:disabled){background:var(--ember-strong)}.btn-secondary{background:transparent;border-color:var(--border)}.btn-secondary:hover{border-color:var(--ember)}.btn-ghost{background:transparent;color:var(--text-muted)}.btn-danger{background:var(--danger);color:#fff}.btn-small{padding:7px 14px;font-size:.9rem;background:var(--ember);color:#fff!important}.btn-block{width:100%}.btn-copy{min-width:84px;border-radius:0 10px 10px 0;background:var(--ember);color:#fff}input[type=text],input[type=password],input:not([type]),textarea,select{width:100%;font:inherit;color:var(--text);background:var(--bg-sunken);border:1px solid var(--border);border-radius:10px;padding:11px 13px}textarea{resize:vertical;min-height:120px;font-family:var(--mono);font-size:1rem}.card{background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:clamp(20px,3vw,32px)}.card-center{max-width:560px;margin:48px auto 0;text-align:center}.card-center .form{text-align:left}.muted{color:var(--text-muted)}.small{font-size:.9rem}.center{text-align:center}.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(28px,5vw,64px);align-items:start;padding-top:clamp(16px,4vw,48px)}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;font-weight:700;color:var(--ember-strong);margin:0 0 14px}.hero h1{font-size:clamp(2.3rem,5vw,3.6rem);font-weight:800;letter-spacing:-.03em}.ember{color:var(--ember)}.lede{font-size:1.12rem;color:var(--text-muted);max-width:34em}.hero-points{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:10px}.hero-points li{position:relative;padding-left:26px}.hero-points li:before{content:"";position:absolute;left:0;top:.45em;width:12px;height:12px;border-radius:50%;background:radial-gradient(circle,var(--ember) 35%,var(--ember-soft) 40%)}.mode-tabs{display:flex;gap:6px;padding:4px;background:var(--bg-sunken);border-radius:12px;margin-bottom:22px}.mode-tab{flex:1;border:0;background:transparent;font:inherit;font-weight:600;padding:8px 10px;border-radius:9px;color:var(--text-muted);cursor:pointer}.mode-tab.active{background:var(--bg-raised);color:var(--text);box-shadow:0 1px 3px #0000001a}.mode-tab:disabled{cursor:default;opacity:.6}.mode-tab small{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;margin-left:4px;color:var(--ember-strong)}.form{display:grid;gap:16px}.field{display:grid;gap:6px;position:relative}.field-label{font-weight:600;font-size:.92rem}.optional{font-weight:500;color:var(--text-muted);font-size:.8rem;margin-left:4px}.hint{font-size:.8rem;color:var(--text-muted);justify-self:end}.hint.center{justify-self:center;margin:-6px 0 0}.hint-error{color:var(--danger);font-weight:600}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.password-row{display:flex;gap:8px}.checks{display:grid;gap:8px}.check{display:flex;align-items:center;gap:10px;font-size:.95rem;cursor:pointer}.check input{width:18px;height:18px;accent-color:var(--ember)}.error{margin:0;padding:10px 14px;border-radius:10px;background:var(--danger-soft);color:var(--danger);font-weight:500}.composer,.section{scroll-margin-top:calc(76px + env(safe-area-inset-top))}.botcheck{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;padding:10px 14px;border:1px solid var(--border);border-radius:10px;background:var(--bg-sunken);color:var(--text-muted);font-size:.92rem;text-align:left}.botcheck-icon{display:inline-flex;flex:none;width:20px;height:20px}.botcheck-icon svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.botcheck-text{flex:1;min-width:0}.botcheck-running{color:var(--text)}.botcheck-running .botcheck-icon{color:var(--ember)}.botcheck-done{border-color:transparent;background:var(--ok-soft);color:var(--ok);font-weight:600}.botcheck-failed{border-color:transparent;background:var(--danger-soft);color:var(--danger);font-weight:600}.botcheck-bar{flex-basis:100%;width:100%;height:6px;border:0;border-radius:999px;overflow:hidden;appearance:none;background:var(--border)}.botcheck-bar::-webkit-progress-bar{background:var(--border)}.botcheck-bar::-webkit-progress-value{background:var(--ember);border-radius:999px}.botcheck-bar::-moz-progress-bar{background:var(--ember);border-radius:999px}.reveal>.botcheck{margin-bottom:12px}.notice{margin:0;padding:10px 14px;border-radius:10px;background:var(--warn-soft)}.created{display:grid;gap:16px}.created h2,.created p{margin:0}.share-btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.manage-box{border-top:1px dashed var(--border);padding-top:16px;display:grid;gap:8px}.manage-box h3{margin:0;font-size:1rem}.copy-field{display:flex;align-items:stretch}.copy-field .copy-input{border-radius:10px 0 0 10px;border-right:0;min-width:0}.copy-field-multi{flex-direction:column}.copy-field-multi .copy-input{border-radius:10px 10px 0 0;border-right:1px solid var(--border);border-bottom:0}.copy-field-multi .btn-copy{border-radius:0 0 10px 10px}.mono{font-family:var(--mono);font-size:.92rem}.reveal{text-align:left}.card-center.reveal{text-align:center}.reveal-form{margin-top:20px}.lock-icon{width:56px;height:56px;margin:0 auto 16px;border-radius:16px;display:grid;place-items:center;background:var(--ember-soft)}.lock-icon svg{width:28px;height:28px;fill:none;stroke:var(--ember-strong);stroke-width:2;stroke-linecap:round}.card.reveal:not(.card-center){max-width:760px;margin:48px auto 0}.ash-icon{display:flex;justify-content:center;gap:6px;margin-bottom:18px}.ash-icon span{width:10px;height:10px;border-radius:50%;background:var(--text-muted);opacity:.35}.ash-icon span:nth-child(2){transform:translateY(-8px);opacity:.55}.manage{max-width:620px;margin:48px auto 0}.status-pill{display:inline-block;padding:6px 14px;border-radius:999px;font-weight:600;font-size:.92rem;background:var(--bg-sunken)}.status-active{background:var(--ember-soft);color:var(--ember-strong)}.status-viewed{background:var(--ok-soft);color:var(--ok)}.status-deleted,.status-expired{background:var(--bg-sunken);color:var(--text-muted)}.facts{display:grid;grid-template-columns:max-content 1fr;gap:8px 24px;margin:20px 0}.facts dt{color:var(--text-muted)}.facts dd{margin:0;font-weight:500}.confirm-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.section{margin-top:clamp(56px,8vw,96px)}.section-title{font-size:clamp(1.6rem,3vw,2.2rem);text-align:center;margin-bottom:32px}.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.steps li{background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.step-num{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--ember);color:#fff;font-weight:700;margin-bottom:14px}.steps p,.feature p,.security-grid p{color:var(--text-muted);margin:0}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.feature{background:var(--bg-raised);padding:24px}.feature h3{font-size:1.02rem}.security{background:var(--bg-sunken);border-radius:calc(var(--radius) + 6px);padding:clamp(28px,5vw,56px)}.security-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.prose{max-width:760px;margin:32px auto 0}.prose h2{font-size:1.2rem;margin-top:1.6em}.prose li{margin-bottom:6px}.tabbar{display:none}@media(max-width:900px){.hero,.steps,.features,.security-grid{grid-template-columns:1fr}}@media(max-width:720px){.shell{--gutter: 16px}.shell-tabs{--tabbar-h: 64px}.topbar-inner{padding-top:10px;padding-bottom:10px}.topnav{display:none}.brand{min-height:44px;padding:0 6px;margin:0 -6px}.tabbar{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;inset:auto 0 0;z-index:30;min-height:calc(var(--tabbar-h) + env(safe-area-inset-bottom));padding:4px max(6px,env(safe-area-inset-right)) env(safe-area-inset-bottom) max(6px,env(safe-area-inset-left));background:color-mix(in srgb,var(--bg-raised) 88%,transparent);-webkit-backdrop-filter:saturate(1.4) blur(16px);backdrop-filter:saturate(1.4) blur(16px);border-top:1px solid var(--border)}.tab{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:56px;padding:4px 2px;color:var(--text-muted);font-size:.7rem;font-weight:600;line-height:1.2;text-align:center;-webkit-user-select:none;user-select:none;touch-action:manipulation}.tab:hover{text-decoration:none}.tab svg{width:56px;height:30px;padding:3px 16px;border-radius:999px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:background .2s,transform .12s}.tab[aria-current]{color:var(--ember-strong)}.tab[aria-current] svg{background:var(--ember-soft)}.tab:active svg{transform:scale(.92)}.content{padding-top:12px;padding-bottom:32px}.hero{gap:18px;padding-top:4px}.eyebrow{margin-bottom:8px;font-size:.72rem}.hero h1{font-size:clamp(1.75rem,8.2vw,2.4rem);margin-bottom:.35em}.lede{display:none}.hero-points{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.hero-points li{padding:4px 10px 4px 24px;border-radius:999px;background:var(--bg-sunken);font-size:.8rem;color:var(--text-muted)}.hero-points li:before{left:9px;top:50%;width:8px;height:8px;transform:translateY(-50%)}.card{padding:18px;border-radius:18px}.card-center,.card.reveal:not(.card-center),.manage{margin-top:12px}.mode-tabs{margin-bottom:16px}.mode-tab{min-height:40px}.btn{min-height:48px;padding:12px 18px}input[type=text],input[type=password],input:not([type]),textarea,select{min-height:48px;font-size:16px}textarea{min-height:132px}.check{min-height:44px;gap:12px}.check input{width:22px;height:22px;flex:none}.btn:active:not(:disabled){transform:scale(.98)}.confirm-row .btn{flex:1 1 140px}.section{margin-top:44px}.section-title{font-size:1.45rem;margin-bottom:18px}.steps{gap:12px}.steps li,.feature{padding:18px}.security{padding:22px 18px;border-radius:20px}.security-grid{gap:18px}.footer{flex-direction:column;align-items:center;text-align:center;gap:8px}.footer-links a,.footer-credit a{display:inline-flex;align-items:center;min-height:44px;padding:0 8px}.footer-links{gap:4px}.manage .btn{width:100%}}@media(max-width:520px){.grid-2{grid-template-columns:1fr}}@media(max-width:420px){.facts{grid-template-columns:1fr;gap:2px}.facts dd{margin-bottom:10px}}@media(max-width:360px){.shell{--gutter: 12px}.card{padding:16px}.tab{font-size:.66rem}.tab svg{width:48px;padding:3px 12px}}@media(pointer:coarse){.btn,input[type=text],input[type=password],input:not([type]),select{min-height:44px}.check{min-height:44px}.check input{width:22px;height:22px}.topnav a:not(.btn){display:inline-flex;align-items:center;min-height:44px}}@media(prefers-reduced-motion:reduce){.tab svg,.btn{transition:none}}