:root{--section-gap: clamp(72px, 9vw, 128px);--nav-h: 58px;--container: 1160px;--measure: 62ch;--radius-panel: 12px;--radius-screen: 16px;--font-display: "Martian Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--gutter: 24px;--gutter-l: max(var(--gutter), env(safe-area-inset-left));--gutter-r: max(var(--gutter), env(safe-area-inset-right))}*,*:before,*:after{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100%}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}body{font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;color:var(--text-main);background:var(--bg-main);transition:background-color .25s ease,color .25s ease}img,svg{display:block;max-width:100%}a{color:var(--accent);text-decoration:none;border-bottom:1px solid transparent}a:hover{border-bottom-color:currentColor}button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}code,pre,.kbd{font-family:var(--font-mono)}.kbd{background:var(--panel-alt);border:1px solid var(--divider);border-radius:5px;padding:1px 6px;font-size:.85em}:where(a,button,select,summary,[tabindex]):focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}.skip-link{position:absolute;left:12px;top:-100px;z-index:200;padding:10px 16px;border-radius:8px;background:var(--accent);color:var(--text-on-accent);font-weight:600;transition:top .15s ease}.skip-link:focus{top:12px}h1,h2,h3{font-family:var(--font-display);margin:0 0 .5em;line-height:1.12;font-weight:600}h1{font-size:clamp(1.7rem,3vw,2.55rem);font-weight:700;letter-spacing:-.055em;line-height:1.08}h2{font-size:clamp(1.4rem,2.4vw,2rem);letter-spacing:-.035em}h3{font-size:1rem;letter-spacing:-.02em}p{margin:0 0 1em;color:var(--text-dim)}p:last-child{margin-bottom:0}.measure{max-width:var(--measure)}.eyebrow{font-family:var(--font-mono);font-size:.72rem;font-weight:500;text-transform:uppercase;letter-spacing:.2em;color:var(--accent);margin:0 0 .9em}.container{max-width:var(--container);margin:0 auto;padding:0 var(--gutter-r) 0 var(--gutter-l)}section{padding:var(--section-gap) 0}section[id]{scroll-margin-top:calc(var(--nav-h) + 16px)}section[id]:focus{outline:none}.band{background:var(--panel-bg);border-top:1px solid var(--divider);border-bottom:1px solid var(--divider)}.grid{display:grid;gap:18px;margin-top:40px}.panel{background:var(--panel-bg);border:1px solid var(--divider);border-radius:var(--radius-panel);padding:20px 22px}.band .panel{background:var(--bg-main)}.tag{display:inline-block;font-family:var(--font-mono);font-size:.68rem;text-transform:uppercase;letter-spacing:.14em;padding:3px 9px;border-radius:999px;background:var(--select-bg);color:var(--accent);margin-bottom:14px}.notice{margin-top:24px;border-color:var(--accent);color:var(--text-main)}.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;background:var(--accent);color:var(--text-on-accent);border:1px solid var(--accent);font-family:var(--font-mono);font-size:.88rem;font-weight:500;letter-spacing:-.01em;transition:transform .08s ease,opacity .15s ease}.btn:hover{opacity:.9;border-bottom-color:var(--accent)}.btn:active{transform:translateY(1px)}.btn[disabled]{opacity:.55;cursor:default}.btn-ghost{background:transparent;color:var(--text-main);border-color:var(--divider-hi)}.btn-ghost:hover{border-bottom-color:var(--divider-hi)}.mode-toggle{display:inline-flex;border:1px solid var(--divider-hi);border-radius:999px;padding:3px;gap:2px;background:var(--panel-bg)}.mode-toggle button{padding:6px 14px;border-radius:999px;font-family:var(--font-mono);font-size:.78rem;color:var(--text-dim)}.mode-toggle button[aria-pressed=true]{background:var(--accent);color:var(--text-on-accent)}.mode-toggle button[disabled]{opacity:.4;cursor:not-allowed}.mode-toggle-sm button{padding:4px 11px;font-size:.72rem}.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg-main) 88%,transparent);-webkit-backdrop-filter:saturate(130%) blur(10px);backdrop-filter:saturate(130%) blur(10px);border-bottom:1px solid var(--divider)}.nav-inner{display:flex;align-items:center;gap:14px;height:var(--nav-h);max-width:var(--container);margin:0 auto;padding:0 var(--gutter-r) 0 var(--gutter-l)}.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:.92rem;letter-spacing:-.04em;color:var(--text-main)}.brand-mark{flex:none;width:26px;height:26px;border-radius:6px;margin-right:-4px}.brand-dim{color:var(--text-dim);font-weight:400}.brands{display:flex;align-items:center;gap:16px;min-width:0}.nav-spacer{flex:1}.nav-links{display:flex;align-items:center;gap:18px}.nav-links ul{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}.nav-links a{display:inline-block;font-family:var(--font-mono);font-size:.8rem;padding:6px 9px;border-radius:7px;border-bottom:0;color:var(--text-dim)}@media (hover: hover){.nav-links a:hover{color:var(--text-main);background:var(--panel-alt)}}.nav-links a b{color:var(--accent);font-weight:600}.nav-external{padding-left:14px;border-left:1px solid var(--divider)}.nav-external a b{color:inherit}.nav-burger{display:none;flex-direction:column;justify-content:center;gap:4px;width:38px;height:34px;padding:0 8px;border:1px solid var(--divider-hi);border-radius:8px}.nav-burger span{display:block;height:1.5px;background:var(--text-main);border-radius:2px}@media (max-width: 940px){.nav-burger{display:flex}.nav-links{position:absolute;top:var(--nav-h);left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:6px;padding:14px var(--gutter-r) 20px var(--gutter-l);max-height:calc(100vh - var(--nav-h));max-height:calc(100dvh - var(--nav-h));overflow-y:auto;overscroll-behavior:contain;background:var(--panel-bg);border-bottom:1px solid var(--divider)}.nav-links-open{display:flex}.nav-links ul{flex-direction:column;align-items:stretch;gap:2px}.nav-links a{padding:10px 12px;font-size:.9rem}.nav-external{padding-left:0;padding-top:10px;border-left:0;border-top:1px solid var(--divider)}}@media (max-width: 460px){:root{--gutter: 16px}.brand span{font-size:.82rem}.brands{gap:10px}.brand-mark{display:none}.brand:not([aria-current]) .brand-word{display:none}.mode-toggle-sm button{padding:4px 9px}}.hero{padding-top:clamp(44px,6vw,76px);padding-bottom:clamp(48px,6vw,76px);background:radial-gradient(120% 70% at 80% -10%,var(--panel-strong) 0%,transparent 62%)}.hero-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.92fr);gap:clamp(32px,5vw,72px);align-items:center}.hero-copy{min-width:0}.hero .lede{font-size:clamp(1rem,1.3vw,1.12rem);max-width:52ch;margin-bottom:0}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.hero-spec{margin:22px 0 0;font-family:var(--font-mono);font-size:.76rem;letter-spacing:.06em;color:var(--text-dim)}.hero-screen{min-width:0;margin:0}.hero-screen figcaption{margin:22px 0 0;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;color:var(--text-dim);text-align:center}.hero-shot{display:block;width:100%;height:auto;border-radius:var(--radius-screen);border:1px solid var(--divider-hi);box-shadow:0 0 0 6px color-mix(in srgb,var(--panel-alt) 55%,transparent),0 24px 60px -24px #0000008c}@media (max-width: 720px){.hero-inner{grid-template-columns:1fr}.hero-screen{width:100%;max-width:420px;justify-self:center}}@media (max-height: 500px) and (orientation: landscape){.hero{padding-top:28px;padding-bottom:40px}.hero-actions{margin-top:20px}.hero-spec{margin-top:16px}.hero-shot{width:auto;max-width:100%;max-height:calc(100dvh - var(--nav-h) - 96px);margin:0 auto}.hero-screen figcaption{margin-top:14px}}.shot-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.shot{margin:0}.shot img{width:100%;height:auto;border-radius:var(--radius-screen);border:1px solid var(--divider-hi)}.shot figcaption{margin-top:14px}.shot h3{color:var(--text-main);margin:0 0 6px}.shot p{margin:0;font-size:.94rem}.feature-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.feature-grid h3{color:var(--text-main)}.feature-grid p{margin:0;font-size:.94rem}.device-grid{grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}.device{display:flex;flex-direction:column}.device-head{margin-bottom:14px}.device-head h3{margin:0 0 5px}.device-head a{color:var(--text-main)}.device-head a:hover{color:var(--accent)}.device-env{font-family:var(--font-mono);font-size:.72rem;color:var(--accent)}.device p{margin:0;font-size:.92rem}.device-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:auto!important;padding-top:14px;border-top:1px solid var(--divider);font-family:var(--font-mono);font-size:.72rem}.device-chip{letter-spacing:.08em;color:var(--text-dim)}.device-buy{color:var(--accent);white-space:nowrap}.flasher{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:28px;width:75%;margin:40px 0 0}.flasher esp-web-install-button{--esp-tools-button-color: var(--text-on-accent);--esp-tools-button-background-color: var(--accent);--esp-tools-button-border-color: var(--accent)}.flasher-main{min-width:0}.flasher-selects{display:grid;gap:12px}.flasher-select{display:flex;flex-direction:column;gap:7px;max-width:420px}.flasher-select span{font-family:var(--font-mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.16em;color:var(--text-dim)}.flasher-select select{-moz-appearance:none;appearance:none;-webkit-appearance:none;font:inherit;font-size:.95rem;color:var(--text-main);background-color:var(--select-bg);border:1px solid var(--divider-hi);border-radius:9px;padding:11px 38px 11px 14px;cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,var(--text-dim) 50%),linear-gradient(135deg,var(--text-dim) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 12px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat}.flasher-version-row{display:flex;gap:8px;width:100%}.flasher-version-row select{flex:1 1 auto;min-width:0}.flasher-row-btn{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;border:1px solid var(--divider-hi);border-radius:9px;background:var(--panel-alt);color:var(--text-main);font-family:var(--font-mono);font-size:.78rem;padding:0 11px;white-space:nowrap;text-decoration:none;border-bottom:0}.flasher-row-btn:hover{background:var(--select-bg)}.flasher-row-btn[disabled]{opacity:.5;cursor:default}.flasher-notes-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:120;display:grid;place-items:center;background:color-mix(in srgb,var(--bg-main) 34%,#000);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.flasher-notes-modal-panel{width:min(1100px,calc(100vw - 32px));max-height:80vh;max-height:80dvh;display:flex;flex-direction:column;background:var(--panel-bg);border:1px solid var(--divider-hi);border-radius:var(--radius-panel);padding:12px;overflow:hidden}.flasher-notes-modal-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px}.flasher-notes-modal-head strong{font-family:var(--font-mono);font-size:.88rem;color:var(--text-main)}.flasher-notes-modal-actions{display:flex;align-items:center;gap:10px}.flasher-notes-modal-actions a{font-family:var(--font-mono);font-size:.76rem}.flasher-notes-modal-close{border:1px solid var(--divider-hi);border-radius:999px;background:var(--panel-alt);color:var(--text-main);font-family:var(--font-mono);font-size:.78rem;padding:7px 14px}.flasher-notes-modal-close:hover{background:var(--select-bg)}.flasher-notes-modal-body{margin:0;font-family:var(--font-body);font-size:.94rem;line-height:1.55;color:var(--text-dim);white-space:pre-wrap;max-height:calc(80dvh - 96px);overflow:auto;padding:6px 0 2px;border-top:1px solid var(--divider)}.flasher-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:10px}.browser-note{margin:10px 0 0;font-size:.84rem;color:var(--text-dim)}.flasher-device-image{justify-self:end;align-self:center;max-width:210px}.flasher-device-image img{width:100%;height:auto;max-height:180px;object-fit:contain;border-radius:10px}@media (max-width: 700px){.flasher{grid-template-columns:1fr;width:100%}.flasher-device-image{justify-self:center;order:-1}}.steps{list-style:none;margin:40px 0 0;padding:0;display:grid;gap:2px;max-width:760px}.steps li{display:grid;grid-template-columns:auto minmax(0,1fr);gap:18px;padding:20px 0;border-top:1px solid var(--divider)}.steps li:last-child{border-bottom:1px solid var(--divider)}.steps h3{margin:0 0 6px;color:var(--text-main)}.steps p{margin:0;font-size:.94rem}.step-n{font-family:var(--font-mono);font-size:.78rem;color:var(--accent);padding-top:3px}footer{padding:40px 0 56px;border-top:1px solid var(--divider);color:var(--text-dim)}.footer-inner{display:flex;flex-wrap:wrap;align-items:center;gap:16px 28px}.footer-inner p{margin:0}.footer-mark{font-family:var(--font-mono);font-size:.8rem;color:var(--text-main)}.footer-keys{display:flex;flex-wrap:wrap;gap:12px;margin-left:auto!important;font-family:var(--font-mono);font-size:.72rem}.footer-keys b{color:var(--accent);font-weight:500}.footer-links{display:flex;gap:16px;font-family:var(--font-mono);font-size:.76rem}.footer-bmc{display:inline-flex;align-items:center}.footer-bmc-link{font-family:var(--font-mono);font-size:.76rem;color:var(--accent)}@media (max-width: 700px){.footer-keys{margin-left:0!important;order:3}}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}:root,ewt-install-dialog{--md-sys-color-surface: var(--panel-bg);--md-sys-color-surface-container: var(--panel-bg);--md-sys-color-surface-container-low: var(--panel-bg);--md-sys-color-surface-container-high: var(--panel-alt);--md-sys-color-surface-container-highest: var(--panel-strong);--md-sys-color-on-surface: var(--text-main);--md-sys-color-on-surface-variant: var(--text-dim);--text-color: var(--text-main);--md-sys-color-primary: var(--accent);--md-sys-color-on-primary: var(--text-on-accent);--md-sys-color-primary-container: var(--panel-strong);--md-sys-color-secondary: var(--accent);--md-sys-color-secondary-container: var(--select-bg);--md-sys-color-on-secondary-container: var(--text-main);--md-sys-color-tertiary: var(--accent);--md-sys-color-tertiary-container: var(--panel-alt);--md-sys-color-outline: var(--divider-hi);--md-sys-color-outline-variant: var(--divider);--md-sys-color-inverse-surface: var(--text-main);--md-sys-color-inverse-on-surface: var(--bg-main);--md-sys-color-scrim: #000000;--md-sys-color-shadow: #000000;--md-sys-color-error: #e0564f;--md-sys-color-on-error-container: var(--text-main);--danger-color: #e0564f}