/* One first-screen example: input, real demo values, charts and streak together. */
.landing .hero{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:48px;min-height:0;align-items:center;padding-block:24px 36px}
.landing .hero-copy{min-width:0}.landing .hero h1{font-size:clamp(40px,4.3vw,64px);line-height:1.06;margin:0 0 20px}
.landing .hero .intro{font-size:17px;line-height:1.5;margin:0 0 22px;max-width:34ch}.landing .hero .micro{margin:10px 0 0}
.landing .hero-activities{margin-top:24px;gap:10px;flex-wrap:wrap;font-size:11px}
.landing .hero .live-demo{width:100%;max-width:650px;margin:0;min-width:0;text-align:left}
.landing .demo-workspace{grid-template-columns:1fr;border-radius:24px;border-color:#c8d6c2;box-shadow:0 20px 60px #173c2812}
.landing .demo-capture{padding:10px 18px 4px;background:#fafcf5}
.demo-chat-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:4px;color:#254d37;font-size:14px}
.demo-chat-heading>strong{white-space:nowrap}.demo-chat-heading>strong>span{color:#4a7534;margin-right:4px}
.demo-chat-heading select{min-width:0;max-width:145px;min-height:44px;font:inherit;font-size:12px;color:#3a6047;background:transparent;border:0;border-radius:8px;padding:0 4px;cursor:pointer}
.demo-chat-heading select:focus-visible{outline:3px solid #739b38;outline-offset:1px}
.landing .demo-input{min-height:58px;margin:0;padding:10px 38px 10px 12px;border-radius:12px;font-size:15px;line-height:1.4;background:#fff;border-color:#d9e4d1}
.landing .demo-send{right:10px;top:16px;font-size:20px;color:#4d762c}
.landing .demo-understanding{min-height:18px;margin:5px 0 0;font-size:11px;line-height:1.4;color:#496842}.landing .demo-understanding strong{font-size:11px;font-weight:500}
.demo-controls{display:flex;align-items:center;justify-content:space-between;gap:8px}
.landing .demo-step-controls{display:flex;gap:4px;margin:0;padding:0;border:0}.landing .demo-step-controls button{font-size:12px;padding:5px 10px;min-height:44px;min-width:0;border:0;background:transparent;border-radius:10px;color:#5c6f53}
.landing .demo-step-controls button[aria-pressed=true]{color:#244c31;background:#eaf1df;font-weight:700}
.landing .demo-dashboard{padding:22px;background:radial-gradient(ellipse at 100% 0,#39634a55,transparent 65%),linear-gradient(135deg,#142c26,#1b3830)}
.landing .demo-dashboard-heading{margin-bottom:20px}.landing .demo-dashboard-heading h3{font-size:27px;margin-top:5px}.landing .demo-dashboard-kicker{font-size:10px;letter-spacing:2px}
.landing .demo-points{font-size:13px;padding:10px 13px;border-radius:12px}
.landing .demo-metrics{gap:12px}.landing .demo-metric b{font-size:34px}.landing .demo-metric>span:first-child{font-size:12px}.landing .demo-metric strong{gap:4px}.landing .demo-metric small{font-size:10px}
.landing .demo-activity{margin-top:3px}.landing .demo-activity b{font-size:26px}.landing .demo-activity strong{margin:0}.landing .demo-activity-caption{font-size:12px}
.landing .demo-value-note{font-size:11px;margin:10px 0 12px;color:#b6cbbc}
.landing .demo-plots{grid-template-columns:1fr 1fr;gap:10px}.landing .demo-plot{padding:10px 10px 5px;min-width:0;border-radius:16px}.landing .demo-plot svg{max-height:none;width:100%}
.landing .demo-plot-title{font-size:11px;gap:4px}.landing .demo-plot-title strong{font-size:11px}.landing .demo-plot-title b{font-size:15px}.landing .demo-swatch{width:7px;height:7px}
.landing .demo-streak{flex-wrap:nowrap;gap:10px;margin-top:14px;padding-top:14px}.landing .demo-streak-icon{width:42px;height:42px;border-radius:12px;font-size:25px}.landing .demo-streak strong{font-size:19px}
.landing .demo-week{display:flex;flex-wrap:nowrap;width:auto;max-width:none;flex:none;gap:4px;margin-left:auto}.landing .demo-week i{width:16px;height:23px;font-size:12px;border-radius:6px}
.landing .demo-disclosure{font-size:11px;margin:9px 0 0;color:#65765c;line-height:1.45}
.landing .steps-section{margin-block:24px 44px}.landing .steps-section h2{font-size:28px;margin-bottom:16px}
.exercise-showcase{max-width:1160px;margin:40px auto 64px;display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:48px;align-items:center;scroll-margin-top:24px}
.exercise-eyebrow{font-size:11px;letter-spacing:2px;color:#607a40;font-weight:700}.exercise-demo-copy h2{font-size:clamp(32px,3.3vw,46px);letter-spacing:-1.6px;line-height:1.1;margin:14px 0 18px}.exercise-demo-copy em{color:#5d8734;font-style:normal}.exercise-demo-copy p{font-size:15px;line-height:1.6;color:#617453;margin:0 0 14px}
.exercise-demo-viewer{min-width:0;background:#142c26;color:#edf6df;border:1px solid #375547;border-radius:24px;overflow:hidden;box-shadow:0 20px 65px #243e2510}
.exercise-demo-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;padding:10px 10px 0}
.exercise-demo-viewer button{min-height:44px;border-radius:12px;font:inherit;font-size:13px;cursor:pointer;transition:background .15s;color:#c8dbcb;border:1px solid transparent;background:transparent}
.exercise-demo-tabs button[aria-pressed=true]{color:#e5f5bc;background:#ffffff0d;border-color:#bfd8a82e;font-weight:650}
.exercise-demo-viewer button:hover{background:#ffffff13}.exercise-demo-viewer button:disabled{opacity:.45;cursor:default}
.exercise-demo-viewer :is(button,canvas):focus-visible{outline:3px solid #dcf3ac;outline-offset:-4px}
.exercise-demo-stage{height:320px;position:relative}.exercise-demo-stage canvas{width:100%;height:100%;display:block;touch-action:pan-y;cursor:grab}.exercise-demo-stage canvas:active{cursor:grabbing}
.exercise-demo-fallback{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:10px;background:#142c26;text-align:center;padding:24px;pointer-events:none}
.exercise-demo-fallback[hidden]{display:none}.exercise-loader{display:block;font-size:36px;color:#bedb90}.exercise-demo-fallback p{font-size:14px;max-width:30ch;line-height:1.5;margin:0}
.exercise-model-label{position:absolute;bottom:12px;left:18px;font-size:11px;color:#c3d6c6;pointer-events:none;background:#142c26bd;padding:5px 8px;border-radius:8px}
.exercise-demo-toolbar{display:flex;justify-content:center;align-items:center;padding:8px 14px;border-top:1px solid #ffffff10;min-height:34px}
.exercise-demo-toolbar>span{font-size:12px;color:#b6cdb9}
.exercise-noscript{padding:16px;font-size:14px}
@media(max-width:1250px){.exercise-showcase{margin-inline:40px;gap:32px}.landing .hero{gap:32px}}
@media(max-width:900px){.landing .hero{gap:24px}.landing .hero h1{font-size:42px}.landing .demo-dashboard{padding:16px}.landing .demo-metric b{font-size:27px}.landing .demo-metric>span:first-child{font-size:10px}.landing .demo-streak strong{font-size:16px}.landing .demo-week i{width:12px}.exercise-demo-copy h2{font-size:34px}}
@media(max-width:800px){.landing .hero{grid-template-columns:1fr;margin:20px 24px 0;padding:0 0 12px;gap:20px}.landing .hero-copy{text-align:center}.landing .hero h1{font-size:38px;line-height:1.03;margin:0 0 12px}.landing .hero h1 br:first-of-type{display:none}.landing .hero .intro{font-size:15px;line-height:1.45;margin:0 auto 14px;max-width:38ch}.landing .hero .intro br{display:none}.landing .hero .micro{font-size:11px;margin-top:8px}.landing .hero-activities{display:none}.landing .hero .live-demo{margin-inline:auto;max-width:520px}.landing .demo-dashboard-heading{margin-bottom:15px}.landing .demo-dashboard-heading h3{font-size:23px}.landing .demo-streak{margin-top:12px;padding-top:12px}.exercise-showcase{grid-template-columns:1fr;gap:20px;margin:32px 24px 40px}.exercise-demo-copy{text-align:center}.exercise-demo-copy h2{margin:10px 0;font-size:32px}.exercise-demo-copy p{font-size:14px;margin-bottom:8px}.exercise-demo-viewer{width:100%;max-width:620px;justify-self:center}.exercise-demo-stage{height:330px}.landing .steps-section{margin:28px 24px}.landing .simple-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.landing .simple-steps li{display:block;min-width:0}.landing .simple-steps h3{font-size:15px;margin-top:8px}.landing .simple-steps p{font-size:12px}}
@media(max-width:450px){.landing .site-nav{padding-block:14px}.landing .hero{margin:12px 14px 0;gap:16px}.landing .hero h1{font-size:32px;margin-bottom:10px}.landing .hero .intro{font-size:14px;margin-bottom:12px}.landing .hero-cta{min-height:44px;padding:12px 20px;font-size:14px}.landing .hero .micro{font-size:10px}.landing .demo-capture{padding:6px 12px 2px}.landing .demo-input{font-size:14px;min-height:60px}.demo-chat-heading{font-size:13px;margin:0}.demo-chat-heading select{max-width:118px;font-size:11px}.landing .demo-step-controls button{font-size:11px;padding-inline:8px}.landing .demo-dashboard{padding:18px 14px}.landing .demo-metric b{font-size:29px}.landing .demo-metrics{gap:8px}.landing .demo-metric>span:first-child{font-size:10px;white-space:nowrap}.landing .demo-activity b{font-size:25px}.landing .demo-points{font-size:11px;padding:8px 10px}.landing .demo-plot{padding:9px 6px 4px}.landing .demo-plot-title{font-size:10px}.landing .demo-plot-title strong{font-size:9px}.landing .demo-plot-title b{font-size:13px}.landing .demo-streak strong{font-size:16px}.landing .demo-streak-icon{width:35px;height:35px;font-size:22px}.landing .demo-week{gap:3px}.landing .demo-week i{width:12px;height:20px;font-size:10px}.landing .demo-disclosure{font-size:10px}.exercise-showcase{margin-inline:14px}.exercise-demo-stage{height:285px}.exercise-demo-tabs button{font-size:12px}.exercise-demo-copy h2{font-size:30px}.landing .steps-section{margin-inline:18px}.landing .steps-section h2{font-size:26px}.landing .simple-steps{gap:10px}.landing .step-number{font-size:12px}}
@media(max-width:350px){.landing .hero h1{font-size:28px}.landing .hero .intro{font-size:13px}.landing .demo-dashboard{padding:16px 12px}.landing .demo-metric b{font-size:24px}.landing .demo-metric small{font-size:8px}.landing .demo-metric>span:first-child{font-size:9px}.landing .demo-metrics{gap:6px}.landing .demo-plot-title{font-size:9px}.landing .demo-streak strong{font-size:14px}.landing .demo-streak{gap:7px}.landing .demo-week i{width:10px}.landing .demo-streak-icon{width:30px;height:32px}.exercise-demo-stage{height:260px}}
@media(prefers-reduced-motion:reduce){.exercise-demo-viewer button{transition:none}}
@media(max-width:540px){.landing .demo-data-label{font-size:24px}.landing .demo-axis{font-size:20px}.landing .demo-axis:not([y="132"]){display:none}.landing .demo-plot svg{overflow:visible}}
@media(max-width:350px){.landing .demo-data-label{font-size:28px}.landing [data-demo-dots] text:nth-of-type(even){display:none}}

/* Read first, then watch the input and its metrics together. */
.landing .site-nav{padding-block:10px}.landing .nav-login{display:inline-flex;align-items:center;min-height:44px;padding:8px 4px}
.landing .hero{margin-top:12px;padding-top:10px;gap:36px;align-items:start}
.landing .hero-copy{padding-top:56px}.landing .hero h1{line-height:1.08;letter-spacing:-1.8px;margin-bottom:14px}
.landing .hero .intro{margin-bottom:16px;line-height:1.4}.landing .hero .micro{margin-top:8px}.landing .hero-activities{margin-top:18px}
.landing .demo-capture{padding:10px 14px 12px}
.landing .demo-chat-heading{min-height:20px;margin:0 0 6px;font-size:13px;line-height:1.3}
.landing [data-demo-status]{font-size:11px;color:#526b4d;white-space:nowrap;font-weight:500}
.landing .demo-input{min-height:58px;font-size:14px;line-height:1.4}
.landing .live-demo[data-phase=waiting] .demo-input{color:#75816e}
.landing .live-demo[data-phase=waiting] .demo-caret{display:none}
.landing .demo-dashboard{padding:18px}
.landing .demo-dashboard-heading{margin-bottom:12px}.landing .demo-dashboard-heading h3{margin-top:3px}
.landing .demo-value-note{margin:8px 0 10px}
.exercise-demo-stage{height:auto;aspect-ratio:4/3;background:#142c26}
.exercise-demo-stage :is(video,.exercise-preview-poster){position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:contain}
.exercise-demo-stage video[data-visible=false]{opacity:0;pointer-events:none}
.exercise-demo-toolbar{padding:6px 12px;min-height:28px}.exercise-demo-toolbar>span{font-size:11px}
@media(max-width:800px){
 .landing .hero{gap:12px;margin:6px 20px 0;padding-top:0}.landing .hero-copy{padding-top:0}
 .landing .hero h1{font-size:34px;letter-spacing:-1.2px;margin-bottom:8px;line-height:1.05}
 .landing .hero h1 br:first-of-type{display:initial}
 .landing .hero .intro{font-size:14px;margin-bottom:10px;max-width:38ch}
 .landing .hero .intro br{display:initial}.landing .hero .micro{font-size:11px;margin-top:6px}
 .landing .hero-cta{min-height:44px;padding:10px 20px;line-height:1.2}.landing .hero-cta span{line-height:1}.landing .demo-capture{padding:9px 12px 10px}
 .landing .demo-dashboard{padding:16px 14px}.landing .demo-dashboard-heading{margin-bottom:10px}
 .landing .demo-dashboard-heading h3{font-size:22px}.landing .demo-streak{padding-top:10px;margin-top:10px}
 .exercise-showcase{gap:12px}.exercise-demo-copy h2{font-size:28px;margin:8px 0}.exercise-demo-copy p{line-height:1.4}
}
@media(max-width:450px){
 .landing .hero{margin-inline:14px;gap:10px}.landing .hero h1{font-size:30px;max-width:340px;margin-inline:auto}
 .landing .demo-input{min-height:58px;font-size:14px;padding:9px 36px 9px 10px}
 .landing .demo-chat-heading{font-size:13px}.landing [data-demo-status]{font-size:10px}
 .landing .demo-dashboard-kicker{font-size:9px;letter-spacing:1.6px}
 .landing .demo-points{padding:7px 9px}.landing .demo-metrics{gap:7px}
 .landing .demo-value-note{font-size:10px;margin-block:6px 8px}
 .landing .demo-disclosure{font-size:11px;margin-top:6px}
}
@media(max-width:350px){.landing .hero h1{font-size:28px}.landing .hero .intro{font-size:13px}.landing .demo-dashboard{padding:14px 12px}.landing .demo-input{font-size:14px}.landing .demo-chat-heading{font-size:12px}}

/* Larger typing, less surrounding space; long examples may grow instead of clipping. */
.landing .demo-capture{padding:8px 14px 7px}
.landing .demo-chat-heading{min-height:18px;margin-bottom:4px}
.landing .demo-input{font-size:16.1px;line-height:1.3;min-height:58px;padding:7px 58px 7px 10px}
.landing .demo-send{top:8px;right:8px;bottom:auto;width:40px;height:40px;border-radius:12px;background:#c5ee8a;color:#20382b;font-size:28px;font-weight:700;line-height:1;box-shadow:0 2px 0 #20382b1a}
@keyframes demo-send-press{
 0%,100%{transform:translateY(0) scale(1);box-shadow:0 2px 0 #20382b1a}
 28%{transform:translateY(2px) scale(.86);box-shadow:0 0 0 #20382b00}
 65%{transform:translateY(0) scale(1.06);box-shadow:0 0 0 6px #abd67038}
}
@media(prefers-reduced-motion:no-preference){
 .landing .live-demo:is([data-phase=reading],[data-phase=filling]) .demo-send{animation:demo-send-press .48s ease-out}
 .landing .live-demo[data-playing=false] .demo-send{animation-play-state:paused}
}
.landing .demo-dashboard-heading h3{margin-top:0}
.landing .demo-plots{margin-top:12px}
@media(max-width:800px){.landing .demo-capture{padding:7px 12px}.landing .demo-input{font-size:16.1px}}

/* 2026-09-19: hero without a written example (the live demo is the example), a lifted demo card and metrics that never overlap. */
.landing .demo-workspace{box-shadow:0 18px 40px #10251f1c}
.landing .demo-metric{min-width:0}
.landing .demo-metric strong{min-width:0;white-space:nowrap}
@media(max-width:800px){
 .landing .hero .intro{max-width:34ch}
 .landing .demo-metrics{grid-template-columns:1.4fr 1fr 1fr .95fr}
 .landing .demo-metric b{font-size:clamp(21px,6.4vw,27px);letter-spacing:-.8px}
}
@media(max-width:450px){
 .landing .hero{gap:14px}
 .landing .hero h1{font-size:31px;line-height:1.08}
 .landing .hero .micro{margin-top:5px}
}

/* 2026-10-07: protein against fat with the app's dark-panel pair (#199e70/#3987e5, validated on #142c26); both charts share the bottom edge. */
.landing .demo-plot{display:flex;flex-direction:column}
.landing .demo-plot svg{margin-top:auto}
.landing .demo-plot-title.demo-plot-fat{margin-top:-6px}
.landing .hero .micro{text-wrap:balance}
.landing .protein-swatch{background:#199e70}
.landing .fat-swatch{background:#3987e5}
.landing .demo-protein-line{stroke:#199e70}
.landing .demo-line-area{fill:#199e7024}
.landing [data-demo-dots] circle{fill:#199e70;stroke:#142c26}
.landing [data-demo-dots] circle:last-of-type{fill:#1b3830;stroke:#199e70}
.landing .demo-fat-line{fill:none;stroke:#3987e5;stroke-width:3;stroke-linejoin:round;stroke-linecap:round}
.landing [data-demo-fat-dots] circle{fill:#3987e5;stroke:#142c26;stroke-width:2;r:3.5}
.landing [data-demo-fat-dots] circle:last-of-type{fill:#1b3830;stroke:#3987e5}