/* Fonts: served from this site, the same files the app ships. No other host is asked for a font. */
@font-face{font-family:"Newsreader";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/Newsreader_400Regular.ttf") format("truetype")}
@font-face{font-family:"Newsreader";font-style:italic;font-weight:400;font-display:swap;src:url("../fonts/Newsreader_400Regular_Italic.ttf") format("truetype")}
@font-face{font-family:"Schibsted Grotesk";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/SchibstedGrotesk_400Regular.ttf") format("truetype")}
@font-face{font-family:"Schibsted Grotesk";font-style:normal;font-weight:500;font-display:swap;src:url("../fonts/SchibstedGrotesk_500Medium.ttf") format("truetype")}
@font-face{font-family:"Schibsted Grotesk";font-style:normal;font-weight:600 700;font-display:swap;src:url("../fonts/SchibstedGrotesk_600SemiBold.ttf") format("truetype")}

/* Layout: a coach's notebook laid over a live heart-rate trace. Look A tokens, light only, as the app. */
:root{
  --ground:#F3F5F4; --card:#FFFFFF; --ink:#16211F; --body:#3D4A47; --muted:#56635F;
  --line:#D6DDDA; --divider:#E2E7E5; --control:#C9D2CF;
  --teal:#0B7A70; --teal-deep:#075A53; --teal-pale:#E3F1EF; --amber:#9A4A08; --amber-pale:#F6EADF;
  --z1:#B9D3CE; --z2:#5FA89F; --z3:#0B7A70; --z4:#B5651D; --z5:#7E2A10;
  --voice:"Newsreader", "Iowan Old Style", Georgia, serif;
  --data:"Schibsted Grotesk", "Segoe UI", system-ui, -apple-system, sans-serif;
  --r-card:22px; --wrap:1160px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:var(--ground);color:var(--ink);font-family:var(--data);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:rgba(243,245,244,.92)}
a{color:var(--teal-deep)}
a:hover{color:var(--teal)}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.num{font-variant-numeric:tabular-nums}
.eyebrow{font-size:12.5px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--teal-deep)}
h1,h2,h3{text-wrap:balance;margin:0}
h2{font-family:var(--voice);font-weight:400;font-size:clamp(30px,4.2vw,46px);line-height:1.08;letter-spacing:-.01em}
h3{font-size:18px;font-weight:600;line-height:1.3}
p{margin:0}
.lede{font-size:18px;color:var(--body);max-width:58ch}
.ph{background:var(--amber-pale);color:var(--amber);border-radius:6px;padding:0 6px;font-weight:600;white-space:nowrap}


/* Header */
header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(243,245,244,.92);backdrop-filter:saturate(1.2) blur(10px);-webkit-backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--divider)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:12px}
.mark{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.mark svg{flex:none}
.mark span{font-family:var(--voice);font-size:22px;letter-spacing:-.01em}
nav.links{display:flex;gap:4px;flex-wrap:wrap}
nav.links a{color:var(--body);text-decoration:none;font-size:14.5px;font-weight:500;padding:10px 12px;border-radius:12px;min-height:44px;display:inline-flex;align-items:center}
nav.links a:hover{background:var(--teal-pale);color:var(--teal-deep)}
@media (max-width:760px){nav.links a:not(.keep){display:none}}

/* Hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--divider)}
.hero .wrap{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:center;padding-block:72px 64px}
.hero h1{font-family:var(--voice);font-weight:400;font-size:clamp(40px,6.4vw,76px);line-height:1.02;letter-spacing:-.02em}
.hero h1 em{font-style:italic;color:var(--teal-deep)}
.hero .copy{display:grid;gap:22px;min-width:0}
.hero .copy .lede{font-size:19px}
.cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:14px;font:600 15.5px var(--data);text-decoration:none;border:1px solid transparent;cursor:pointer}
.btn.primary{background:var(--teal);color:#fff}
.btn.primary:hover{background:var(--teal-deep);color:#fff}
.btn.quiet{background:var(--card);color:var(--ink);border-color:var(--control)}
.btn.quiet:hover{border-color:var(--teal);color:var(--teal-deep)}
.btn[aria-disabled="true"]{cursor:default}
.btn[aria-disabled="true"]:hover{border-color:var(--control);color:var(--ink)}
.facts{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:14px}
.facts span{display:inline-flex;gap:8px;align-items:center}
.facts i{width:8px;height:8px;border-radius:50%;background:var(--teal);display:inline-block}

/* Phone card */
.phone{justify-self:center;width:min(380px,100%);background:var(--card);border-radius:36px;padding:14px;box-shadow:0 30px 60px -28px rgba(22,33,31,.35),0 0 0 1px rgba(22,33,31,.06)}
.screen{background:var(--ground);border-radius:26px;padding:18px 16px 16px;display:grid;gap:14px}
.screen .top{display:flex;justify-content:space-between;align-items:baseline}
.screen .top b{font-family:var(--voice);font-weight:500;font-size:26px}
.screen .top span{font-size:12.5px;color:var(--muted)}
.tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.tile{background:var(--card);border-radius:16px;padding:10px 10px 9px;border:1.5px solid transparent;transition:border-color .35s,background .35s;min-width:0}
.tile .k{font-size:11px;color:var(--muted);font-weight:500}
.tile .v{font-size:20px;font-weight:600;letter-spacing:-.01em;margin-top:2px}
.tile .v small{font-size:11.5px;font-weight:500;color:var(--muted);margin-left:2px}
.tile .a{font-size:10.5px;color:var(--muted);margin-top:2px}
.tile.lit{border-color:var(--teal);background:var(--teal-pale)}
.call{background:var(--card);border-radius:20px;padding:16px}
.call .who{font-size:11.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-deep);margin-bottom:8px}
.call p{font-family:var(--voice);font-size:18px;line-height:1.42;color:var(--ink)}
.m{display:inline-grid;place-items:center;min-width:20px;height:20px;border-radius:7px;background:var(--teal-pale);color:var(--teal-deep);font:600 11.5px var(--data);vertical-align:2px;margin:0 1px;transition:background .35s,color .35s,transform .35s}
.m.lit{background:var(--teal);color:#fff;transform:translateY(-1px)}
.session{background:var(--card);border-radius:20px;padding:14px 16px;display:grid;gap:8px}
.session .row{display:flex;justify-content:space-between;gap:8px;align-items:baseline}
.session .row b{font-size:15px;font-weight:600}
.session .row span{font-size:12.5px;color:var(--muted)}
.zbar{display:flex;height:10px;border-radius:5px;overflow:hidden;gap:2px}
.zbar i{display:block;height:100%}
.zbar i:nth-child(1){flex:6;background:var(--z1)}.zbar i:nth-child(2){flex:32;background:var(--z2)}.zbar i:nth-child(3){flex:7;background:var(--z1)}
.adv{font-size:12.5px;color:var(--body);display:flex;gap:6px;align-items:flex-start}
.adv svg{flex:none;margin-top:2px}

@media (max-width:920px){.hero .wrap{grid-template-columns:1fr;padding-block:48px}}

/* Sections */
section.band{padding-block:88px}
section.band.white{background:var(--card)}
.head{display:grid;gap:14px;max-width:760px;margin-bottom:40px}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
.split>.head,.verdict-wrap>.head{margin-bottom:0}
@media (max-width:880px){.split{grid-template-columns:1fr}}

/* Numbers traced */
.trace-list{display:grid;gap:12px}
.trace-row{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;background:var(--card);border-radius:18px;padding:14px 16px;border:1px solid var(--divider)}
section.white .trace-row{background:var(--ground);border-color:transparent}
.trace-row .m{min-width:26px;height:26px;font-size:13px}
.trace-row .what{min-width:0}
.trace-row .what b{display:block;font-weight:600}
.trace-row .what span{font-size:13.5px;color:var(--muted)}
.trace-row .val{font-weight:600;font-size:18px}
.stale .val{color:var(--amber)}
.stale .what span{color:var(--amber)}
.stale{border-color:var(--amber) !important;border-style:dashed !important}
.stale .m{background:var(--amber-pale);color:var(--amber)}
.note{font-size:14px;color:var(--muted);margin-top:14px}

/* Verdict */
.verdict-wrap{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:40px;align-items:start}
@media (max-width:880px){.verdict-wrap{grid-template-columns:1fr}}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{min-height:44px;padding:0 16px;border-radius:22px;border:1px solid var(--control);background:var(--card);color:var(--ink);font:500 14.5px var(--data);cursor:pointer}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.chip.amberish[aria-pressed="true"]{background:var(--amber);border-color:var(--amber)}
.act{background:var(--card);border-radius:var(--r-card);padding:22px;box-shadow:0 1px 0 var(--divider),0 18px 40px -30px rgba(22,33,31,.35);display:grid;gap:16px}
section.white .act{background:var(--ground);box-shadow:none}
.act .row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.act .name{font-weight:600;font-size:17px}
.act .when{font-size:13.5px;color:var(--muted)}
.status{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:12px;background:var(--teal-pale);color:var(--teal-deep);font-weight:600;font-size:14px}
.status.warn{background:var(--amber-pale);color:var(--amber)}
.status.neutral{background:var(--divider);color:var(--ink)}
.bars{display:grid;gap:10px}
.bar{display:grid;grid-template-columns:86px 1fr 70px;gap:10px;align-items:center;font-size:13.5px}
.bar .lab{color:var(--muted)}
.bar .track{height:12px;border-radius:6px;background:var(--divider);position:relative;overflow:hidden}
.bar .fill{position:absolute;inset:0 auto 0 0;border-radius:6px;background:var(--teal);transition:width .6s cubic-bezier(.2,.7,.2,1)}
.bar .fill.plan{background:var(--z1)}
#vPlanBar,#vDoneBar{width:38%}
.bar .v{text-align:right;font-weight:600}
.evidence{display:flex;flex-wrap:wrap;gap:6px}
.evidence span{font-size:12.5px;padding:4px 10px;border-radius:9px;background:var(--ground);color:var(--body);border:1px solid var(--divider)}
section.white .evidence span{background:var(--card)}
.line{font-family:var(--voice);font-size:19px;line-height:1.45}

/* Proposal and heat */
.cards2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
@media (max-width:760px){.cards2{grid-template-columns:1fr}}
.card{background:var(--card);border-radius:var(--r-card);padding:22px;display:grid;gap:14px;align-content:start;border:1px solid var(--divider)}
.card .tag{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.card .say{font-family:var(--voice);font-size:21px;line-height:1.35}
.card .why{font-size:14.5px;color:var(--body)}
.card .acts{display:flex;gap:10px;flex-wrap:wrap}
.card .acts button{min-height:44px;padding:0 18px;border-radius:12px;font:600 14.5px var(--data);cursor:pointer;border:1px solid var(--control);background:var(--card);color:var(--ink)}
.card .acts button.go{background:var(--teal);color:#fff;border-color:var(--teal)}
.card .done{font-size:14px;color:var(--teal-deep);font-weight:600}
.heat{display:grid;gap:8px}
.heat-scale{height:14px;border-radius:7px;background:linear-gradient(90deg,var(--z1) 0%,var(--z2) 28%,var(--z4) 70%,var(--z5) 100%);position:relative}
.heat-scale b{position:absolute;top:-6px;left:40%;width:4px;height:26px;border-radius:2px;background:var(--ink);transform:translateX(-2px);transition:left .5s}
.heat-ticks{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}
input[type=range]{width:100%;accent-color:var(--teal);min-height:44px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;counter-reset:s}
@media (max-width:880px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
.step{background:var(--card);border-radius:20px;padding:20px;display:grid;gap:8px;align-content:start;border:1px solid var(--divider)}
.step .n{font-family:var(--voice);font-size:34px;line-height:1;color:var(--teal)}
.step p{font-size:14.5px;color:var(--body)}
.step q{font-family:var(--voice);font-style:italic;color:var(--ink)}

/* Voices */
.voices{display:grid;gap:16px}
.tabs{display:flex;flex-wrap:wrap;gap:8px}
.voice-card{background:var(--ink);color:#EEF3F1;border-radius:var(--r-card);padding:28px;display:grid;gap:12px;min-height:180px;align-content:start}
.voice-card .who{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#9CC9C1}
.voice-card p{font-family:var(--voice);font-size:clamp(20px,2.4vw,26px);line-height:1.4}
.voice-card small{color:#9FB0AB;font-size:13px}

/* Sports and sources */
.sports{display:flex;flex-wrap:wrap;gap:10px}
.sport{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:14px;background:var(--card);border:1px solid var(--divider);font-weight:500}
.sport svg{color:var(--teal)}
.sport.more{background:transparent;border-style:dashed;color:var(--muted);font-weight:400}
.sources{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;align-items:center}
.src{display:inline-flex;align-items:center;gap:10px;height:56px;padding:0 18px;border-radius:16px;background:var(--card);border:1px solid var(--divider);position:relative}
section.white .src,section.white .sport{background:var(--ground);border-color:transparent}
.src svg{flex:none;color:var(--teal)}
.src b{font-weight:700;font-size:15px;letter-spacing:.02em;color:var(--ink)}
.src .logo{display:block;height:22px;width:auto;max-width:120px}
.src.brand{padding:0 22px}
.src .logo.suunto{height:30px}.src .logo.garmin{height:19px}.src .logo.polar{height:18px}
.src .wordmark{font-size:17px;font-weight:700;letter-spacing:.14em}
.src.soon{filter:grayscale(1);opacity:.5}
.src.soon b,.src.soon svg{color:var(--muted)}
.src .soonlab{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.srckey{margin-top:12px;font-size:13px;color:var(--muted)}

/* Privacy */
.promises{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:16px}
.promise{display:grid;gap:8px;align-content:start;padding:22px;border-radius:20px;background:var(--ground)}
.promise svg{color:var(--teal)}
.promise p{color:var(--body);font-size:15px}
.promise h3{font-size:17px}

/* Pages other than the home page */
.pagehead h1{font-family:var(--voice);font-weight:400;font-size:clamp(34px,5.2vw,58px);line-height:1.05;letter-spacing:-.02em}
.prose{display:grid;gap:16px;max-width:62ch}
.prose p{color:var(--body)}
.prose b{color:var(--ink);font-weight:600}
.howto{margin:0;padding-left:1.4em;display:grid;gap:8px;color:var(--body)}
.howto li::marker{color:var(--teal);font-weight:600}
.draftnote{background:var(--amber-pale);color:var(--amber);border-radius:14px;padding:14px 18px;max-width:760px}
.draftnote b{font-weight:600}

/* Support */
.support{display:grid;grid-template-columns:minmax(0,1fr);gap:20px}
.contact{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.contact code{font:600 16px var(--data);background:var(--ground);padding:10px 14px;border-radius:12px;user-select:all}

footer{border-top:1px solid var(--divider);padding-block:44px 48px;color:var(--muted);font-size:14px;background:var(--card)}
footer .sitemap{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));gap:28px}
@media (max-width:760px){footer .sitemap{grid-template-columns:repeat(2,minmax(0,1fr))}footer .brandcol{grid-column:1/-1}}
footer .brandcol{display:grid;gap:10px;align-content:start}
footer .brandcol p{max-width:30ch}
footer nav{display:grid;gap:8px;align-content:start}
footer nav b{color:var(--ink);font-weight:600;font-size:13px;letter-spacing:.06em;text-transform:uppercase}
footer a{color:var(--body);text-decoration:none}
footer a:hover{color:var(--teal-deep);text-decoration:underline}
footer .smallprint{margin-top:32px;padding-top:20px;border-top:1px solid var(--divider);display:grid;gap:8px;font-size:12.5px;line-height:1.6;max-width:110ch}
footer .smallprint b{color:var(--body);font-weight:600}


/* The pulse band: a live interval session across the zones, with the coach's cues */
.pulse{position:relative;height:clamp(72px,7vw,96px);background:var(--card);border-bottom:1px solid var(--divider);overflow:hidden}
.pulse canvas{position:absolute;inset:0;width:100%;height:100%;display:block;opacity:.72}
.pulse .tag{position:absolute;top:6px;right:max(16px,env(safe-area-inset-right,0px));display:flex;gap:8px;align-items:center;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);pointer-events:none}
.pulse .tag i{width:7px;height:7px;border-radius:50%;background:#C0392B;display:inline-block;animation:blink 1.4s ease-in-out infinite}
@keyframes blink{50%{opacity:.25}}


.tagline{font-family:var(--voice);font-style:italic;font-size:clamp(20px,2.3vw,26px);color:var(--teal-deep);line-height:1.3}
.adapt{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:24px;align-items:start}
@media (max-width:900px){.adapt{grid-template-columns:minmax(0,1fr)}}
.adapt-week{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px}
@media (max-width:700px){.adapt-week{grid-template-columns:1fr}}
.aday{background:var(--card);border-radius:16px;padding:12px;display:grid;gap:6px;align-content:start;min-height:150px;border:1.5px solid var(--divider);transition:border-color .4s,background .4s,transform .4s}
.aday .d{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.aday b{font-size:14.5px;font-weight:600;line-height:1.3}
.aday .was{font-size:12.5px;color:var(--muted);text-decoration:line-through}
.aday .det{font-size:12.5px;color:var(--body)}
.aday .why{font-size:12px;color:var(--teal-deep);font-weight:600}
.aday.changed{border-color:var(--teal);background:var(--teal-pale)}
.aday.now{transform:translateY(-3px);box-shadow:0 12px 24px -16px rgba(11,122,112,.6)}
.aday .zb{height:6px;border-radius:3px}
.adapt-side{display:grid;gap:14px}
.adapt-event{background:var(--card);border-radius:var(--r-card);padding:20px;display:grid;gap:8px;border:1px solid var(--divider)}
.adapt-event .tag{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.adapt-event .say{font-family:var(--voice);font-size:21px;line-height:1.35}
.adapt-event .why{font-size:14.5px;color:var(--body)}
.adapt-load{background:var(--card);border-radius:18px;padding:16px 18px;display:grid;gap:8px;border:1px solid var(--divider)}
.adapt-load .row{display:flex;justify-content:space-between;align-items:baseline;font-size:14px;color:var(--body)}
.adapt-load b{font-size:22px;color:var(--ink)}
.adapt-load .track{height:10px;border-radius:5px;background:var(--divider);position:relative;overflow:hidden}
.adapt-load .fill{position:absolute;inset:0 auto 0 0;width:100%;border-radius:5px;background:var(--teal);transition:width .6s}
.adapt-load .meta{font-size:12.5px;color:var(--muted)}
.adapt-controls{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px}
.dots{display:flex;flex-wrap:wrap;gap:6px}
.dots button{width:44px;height:44px;border-radius:12px;border:1px solid var(--control);background:var(--card);font:600 13px var(--data);color:var(--muted);cursor:pointer}
.dots button[aria-selected="true"]{background:var(--ink);border-color:var(--ink);color:#fff}

[hidden]{display:none !important}

@media (prefers-reduced-motion:reduce){*{transition:none !important;animation:none !important}}