:root{color-scheme:light;--bg: #f7f6f2;--surface: #ffffff;--surface-raised: #fbfaf7;--text: #1c1d1b;--muted: #696b65;--border: #ddd8cd;--primary: #266f5d;--primary-strong: #174a3d;--coral: #d95d45;--gold: #c49a3a;--success: #2f8f5b;--warning: #b7791f;--danger: #bd3d33;--shadow: 0 18px 45px rgba(42, 38, 30, .12);--radius: 8px;--font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--display: Georgia, "Times New Roman", serif}:root[data-theme=dark]{color-scheme:dark;--bg: #161817;--surface: #20231f;--surface-raised: #292d28;--text: #f7f4ec;--muted: #b8b4aa;--border: #3d423b;--primary: #79b8a2;--primary-strong: #9dd3c1;--coral: #ee7f68;--gold: #d7b45f;--success: #77c997;--warning: #d8aa45;--danger: #e66b61;--shadow: 0 18px 45px rgba(0, 0, 0, .28)}*{box-sizing:border-box}html{min-height:100%;background:var(--bg)}body{min-width:320px;min-height:100vh;margin:0;color:var(--text);background:radial-gradient(circle at top left,rgba(196,154,58,.1),transparent 26rem),linear-gradient(180deg,var(--bg),var(--surface-raised));font-family:var(--font);letter-spacing:0}body,button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}a{color:inherit;text-decoration:none}svg{width:1.1rem;height:1.1rem;flex:0 0 auto}.site-shell{width:min(100%,1440px);min-height:100vh;margin:0 auto}.site-header{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;padding:26px clamp(18px,6vw,84px)}.wordmark,.brand-button{border:0;background:transparent;color:var(--primary-strong);font-family:var(--display);font-size:clamp(2rem,4vw,3.4rem);font-weight:700;line-height:1;cursor:pointer}.site-header nav,.footer nav{display:flex;flex-wrap:wrap;justify-content:center;gap:20px;color:var(--text);font-size:.98rem}.site-header .button{justify-self:end}.button{display:inline-flex;min-height:44px;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--radius);padding:12px 20px;background:var(--surface);color:var(--text);font-weight:700;line-height:1;cursor:pointer;transition:transform .16s ease,border-color .16s ease,background .16s ease}.button:hover{transform:translateY(-1px)}.button:disabled{cursor:not-allowed;opacity:.55;transform:none}.button.primary{background:var(--primary-strong);color:#fff}.button.secondary{border-color:var(--coral);color:var(--coral)}.button.coral{background:var(--coral);color:#fff}.button.ghost{border-color:var(--border);background:transparent}.button.danger{border-color:var(--danger);color:var(--danger)}.button.small,.button.compact{min-height:40px;padding:10px 14px;font-size:.9rem}.button.full{width:100%}.hero-section{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(300px,.78fr);align-items:center;gap:clamp(28px,4vw,66px);padding:clamp(22px,4vw,52px) clamp(18px,6vw,96px) clamp(20px,3vw,38px)}.hero-copy h1{max-width:780px;margin:0;font-family:var(--display);font-size:clamp(2.85rem,5.6vw,5.7rem);font-weight:700;line-height:1.03}.hero-copy p{max-width:520px;margin:20px 0 0;color:var(--muted);font-size:clamp(1.08rem,2vw,1.35rem);line-height:1.55}.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:26px}.proof-strip{display:flex;flex-wrap:wrap;gap:22px;margin-top:32px;color:var(--text)}.proof-strip span{display:inline-flex;align-items:center;gap:10px}.proof-strip svg{color:var(--gold)}.phone-frame{width:min(100%,390px);margin:0 auto;border:10px solid #171817;border-radius:42px;background:var(--surface);box-shadow:var(--shadow);overflow:hidden}.phone-top,.phone-session,.preview-exercise,.phone-actions{display:flex;align-items:center}.phone-top{justify-content:space-between;padding:14px 18px 8px;color:var(--text);font-size:.8rem;font-weight:700}.phone-camera{width:86px;height:24px;border-radius:99px;background:#050505}.phone-session{justify-content:space-between;gap:16px;border-bottom:1px solid var(--border);padding:20px}.phone-session h2,.phone-session p,.preview-exercise h3,.preview-exercise p{margin:0}.phone-session h2{font-size:1.15rem}.phone-session p,.preview-exercise p{color:var(--muted);font-size:.85rem}.timer-chip{border-radius:var(--radius);background:#d95d451a;color:var(--coral);padding:8px 10px;font-weight:800}.preview-exercise{gap:12px;border-bottom:1px solid var(--border);padding:16px 20px}.preview-exercise.active{background:var(--surface-raised)}.row-number{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:50%;background:var(--surface-raised);font-weight:800}.phone-actions{flex-direction:column;gap:10px;padding:18px 20px 26px}.phone-actions button{width:100%;min-height:42px;border:1px solid var(--border);border-radius:var(--radius);background:var(--primary-strong);color:#fff;font-weight:700}.phone-actions button+button{background:transparent;color:var(--primary-strong)}.workflow-section{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--border);background:#ffffff59}.workflow-band{display:grid;grid-template-columns:auto auto 1fr;align-items:center;gap:24px;min-height:210px;border-right:1px solid var(--border);padding:36px clamp(18px,4vw,64px)}.workflow-band:last-child{border-right:0}.workflow-band h2,.feature-section h2,.simple-page h1{margin:0;color:var(--primary-strong);font-family:var(--display);font-size:clamp(2rem,4vw,3.2rem);line-height:1.05}.workflow-band p,.feature-section p,.simple-page p{color:var(--muted);line-height:1.7}.workflow-band 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24rem),var(--bg)}.app-topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--bg) 88%,transparent);padding:18px clamp(16px,4vw,42px);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.app-topbar .brand-button{font-size:clamp(1.7rem,4vw,2.5rem)}.topbar-actions,.local-cue,.status-line,.completion-actions,.editor-actions,.timer-actions,.settings-actions{display:flex;align-items:center;gap:10px}.local-cue{color:var(--muted);font-size:.92rem}.local-cue span{width:10px;height:10px;border-radius:50%;background:var(--success)}.icon-button{display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);cursor:pointer}.warning-banner{margin:14px clamp(16px,4vw,42px) 0;border:1px solid var(--warning);border-radius:var(--radius);background:color-mix(in 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var(--border)}.app-layout,.view-grid{grid-template-columns:1fr}.session-panel{order:-1}.desktop-nav{display:none}.mobile-nav{display:grid}.onboarding-panel{grid-template-columns:1fr}.onboarding-actions{justify-content:flex-start}}@media(max-width:700px){.site-header{padding-block:18px}.site-header .button{display:none}.hero-section{padding-top:18px}.proof-strip{display:grid;gap:14px}.phone-frame{width:min(100%,330px);border-width:8px;border-radius:34px}.app-topbar{align-items:flex-start}.topbar-actions{flex-direction:column;align-items:flex-end}.local-cue{font-size:.78rem}.section-heading,.timer-panel{align-items:stretch;flex-direction:column}.session-title-row .icon-button{width:42px;align-self:flex-end}.section-heading{display:grid}.exercise-summary{grid-template-columns:auto 1fr auto;gap:10px}.exercise-meta{display:none}.progress-pill{justify-content:flex-start}.focus-editor{display:none}.exercise-editor{margin-left:0}.form-grid{grid-template-columns:1fr}.template-item{grid-template-columns:auto 1fr}.template-item .button{grid-column:1 / -1}.button{width:100%}.inline-add,.icon-button,.set-controls button{width:auto}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}