/* CleverLoop, fourth cut: light, monochrome, bento.
   One pale page. White cards with hairlines and a soft shadow carry the content; the only colour is the teal loop.
   Manrope throughout, set tight; IBM Plex Mono for the small labels; Rubik for the wordmark only. */
:root{
  /* Brand tokens from the original CleverLoop stylesheet: ink, paper, the teal loop, amber */
  --bg:#f5f2ea; --card:#fffdf8; --card-2:#f9f6ee;
  --ink:#0f2036; --ink-2:#2a3b52; --mute:#5a6b7b; --mute-2:#8595a6;
  --line:#ddd6c6; --line-2:#cfc7b4;
  --loop:#2f8f7f; --loop-deep:#217061; --loop-light:#7fd8c5; --loop-light-hover:#9fe4d5; --cta-ink:#08131f;
  --amber:#e0a54a; --on-dark:#c4d0dc; --on-dark-soft:#8595a6;
  --white:#ffffff;
  --display:'Manrope','Rubik',Arial,Helvetica,sans-serif;
  --body:'Manrope','Rubik',Arial,Helvetica,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --wordmark:'Rubik',Arial,Helvetica,sans-serif;
  --fs-display:clamp(40px,5.4vw,76px);
  --fs-h2:clamp(32px,3.8vw,48px);
  --fs-h3:clamp(20px,1.7vw,24px);
  --fs-lead:clamp(17px,1.4vw,19px);
  --fs-body:16px;
  --fs-small:14px;
  --fs-mono:12px;
  --s1:8px; --s2:16px; --s3:24px; --s4:32px; --s6:48px; --s8:64px; --s12:96px; --s15:120px; --s20:160px;
  --gap-eyebrow:14px; --gap-lead:24px;
  --maxw:1120px; --textw:32em;
  --gutter-l:max(20px,env(safe-area-inset-left,0px));
  --gutter-r:max(20px,env(safe-area-inset-right,0px));
  --nav-h:88px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --radius:22px;
  --shadow:0 1px 2px rgba(15,32,54,.04),0 16px 40px -20px rgba(15,32,54,.16);
  --shadow-hover:0 1px 2px rgba(15,32,54,.05),0 24px 48px -20px rgba(15,32,54,.22);
  --btn-bg:var(--ink);--btn-bg-hover:#16293f;--btn-fg:var(--white);
  --focus:var(--ink);
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:var(--fs-body);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:clip}
h1,h2,h3{font-family:var(--display);font-weight:700;margin:0;line-height:1.05}
h2,h3{text-wrap:balance}
p{margin:0}
a{color:inherit}
img,svg{max-width:100%}
::selection{background:var(--ink);color:var(--white)}
.mono{font-family:var(--mono);font-size:var(--fs-mono);letter-spacing:.02em;font-weight:500;font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--gutter-l);padding-right:var(--gutter-r)}
.band{padding-block:var(--s15);position:relative}
h2{font-size:var(--fs-h2);letter-spacing:-.03em;max-width:760px}
h3{font-size:var(--fs-h3);letter-spacing:-.02em;line-height:1.2}
.lead{color:var(--ink-2);max-width:var(--textw);font-size:var(--fs-lead);line-height:1.5}
.small{font-size:var(--fs-small);line-height:1.5}
.stack,.head,.sec{display:flex;flex-direction:column;gap:var(--gap-lead);align-items:flex-start}
.head{margin-bottom:var(--s6)}
.sec>p:not(.eyebrow):not(.lead)+p{margin-top:calc(var(--s2) - var(--gap-lead))}
.sec>p:not(.eyebrow):not(.mono){color:var(--ink-2);max-width:var(--textw);font-size:17px}
.eyebrow{margin-bottom:calc(var(--gap-eyebrow) - var(--gap-lead))}
.two{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:var(--s12);align-items:start}
.two .head{margin-bottom:0}
.two h2{font-size:clamp(30px,3.2vw,42px)}

/* Eyebrow with the loop mark: an open ring that closes when its section arrives */
.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--loop-deep);text-transform:uppercase;letter-spacing:.14em;font-size:12px}
.hero .eyebrow,.book-card .eyebrow,.cell-dark .eyebrow{color:var(--loop-light)}
.acc{color:var(--loop-deep)}
.hero .acc,.book-card .acc,.cell-dark .acc{color:var(--loop-light)}
.mark{width:18px;height:18px;flex:0 0 auto;color:var(--loop)}
.hero .mark,.book-card .mark{color:var(--loop-light)}
.mark circle{fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-dasharray:56.5;stroke-dashoffset:22;transform:rotate(-90deg);transform-origin:center;transition:stroke-dashoffset 1.1s var(--ease) .15s}
.is-in .mark circle,.mark.is-in circle,.hero-copy.is-on .mark circle{stroke-dashoffset:0}
@media (prefers-reduced-motion:reduce){.mark circle{stroke-dashoffset:0;transition:none}}

/* Reveals */
.h-mask{clip-path:inset(0 0 0 0);transition:clip-path 1s var(--ease)}
.h-mask>*{transform:translateY(105%);transition:transform 1s var(--ease)}
.is-in .h-mask,.h-mask.is-in{clip-path:inset(-.3em -.1em -.5em -.1em)}
.is-in .h-mask>*,.h-mask.is-in>*{transform:none}
.rv,.rv-fade{opacity:0;transition:opacity .8s ease var(--delay,0s),transform .9s var(--ease) var(--delay,0s)}
.rv{transform:translateY(18px)}
.rv.is-in,.rv-fade.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .h-mask{clip-path:none;transition:none}.h-mask>*{transform:none;transition:none}
  .rv,.rv-fade{opacity:1;transform:none;transition:none}
  *,*::before,*::after{transition-duration:0s!important;animation-duration:0s!important;animation-delay:0s!important}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 var(--s3);border-radius:999px;font-family:var(--body);font-weight:700;font-size:16px;line-height:1;text-decoration:none;cursor:pointer;border:1.5px solid transparent;position:relative;overflow:hidden;transition:background .25s,border-color .25s,color .25s,transform .2s var(--ease),box-shadow .25s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--btn-bg);color:var(--btn-fg);box-shadow:0 12px 28px -14px rgba(15,32,54,.5)}
.btn-primary:hover{background:var(--btn-bg-hover)}
.btn-primary .arrow{transition:transform .3s var(--ease)}
.btn-primary:hover .arrow{transform:translateX(5px)}
.btn-lg{min-height:60px;padding:0 var(--s4);font-size:17px}
.btn-nav{min-height:42px;padding:0 18px;font-size:14px}
.btn .arrow{width:18px;height:18px;flex:0 0 auto}
.btn-nav .short,.hero .eyebrow .short{display:none}
:focus-visible{outline:2.5px solid var(--focus);outline-offset:3px;border-radius:6px}
.btn:focus-visible{border-radius:999px}

/* Preloader */
.preloader{position:fixed;inset:0;z-index:100;background:var(--ink);display:grid;place-items:center;transition:opacity .6s ease,visibility .6s}
.preloader.is-done{opacity:0;visibility:hidden;pointer-events:none}
.loader-knot{width:96px;height:60px}
.loader-knot .ring{stroke:var(--loop);stroke-dasharray:260;stroke-dashoffset:260;animation:loader-draw 1.4s var(--ease) infinite alternate}
.loader-knot .centre{stroke:var(--loop-light);opacity:.4;animation:loader-pulse 1.4s ease-in-out infinite alternate}
@keyframes loader-draw{to{stroke-dashoffset:0}}
@keyframes loader-pulse{to{opacity:1}}
@media (prefers-reduced-motion:reduce){.loader-knot .ring{animation:none;stroke-dashoffset:0}.loader-knot .centre{animation:none;opacity:1}}

/* Nav */
.site-head{position:fixed;top:0;left:0;right:0;z-index:50;color:var(--white);transition:background .4s,box-shadow .4s}
.site-head.is-solid{background:rgba(15,32,54,.9);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:0 1px 0 rgba(174,186,200,.16)}
.site-head.is-solid .nav{padding-block:12px}
.site-head.is-solid.on-paper{background:rgba(245,242,234,.92);box-shadow:0 1px 0 var(--line)}
.site-head.on-paper{color:var(--ink)}
.nav-right{display:flex;align-items:center;gap:var(--s3)}
.nav-link{text-decoration:none;font-weight:600;font-size:15px;color:var(--on-dark);transition:color .2s;white-space:nowrap}
.btn-nav{white-space:nowrap}
@media (max-width:720px){.nav-link{display:none}}
.nav-link:hover{color:var(--loop-light)}
.site-head.on-paper .nav-link{color:var(--ink-2)}
.site-head.on-paper .nav-link:hover{color:var(--loop-deep)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:var(--s2);padding-block:var(--s3);transition:padding .4s}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--white);font-family:var(--wordmark);font-size:24px;line-height:1}
.brand b{font-weight:700;color:var(--loop-light)}
.brand span{font-weight:400}
.site-head.on-paper .brand{color:var(--ink)}
.site-head.on-paper .brand b{color:var(--loop-deep)}
.knot{display:block}
.brand .knot{flex:0 0 auto}
.knot .ring{stroke:var(--loop)}
.knot .centre{stroke:var(--loop-light)}
.site-head.on-paper .knot .centre,.footer .knot .centre{stroke:var(--ink)}
.btn-nav{background:transparent;color:var(--white);border-color:rgba(174,186,200,.28)}
.btn-nav:hover{border-color:var(--loop-light);color:var(--loop-light)}
.site-head.on-paper .btn-nav{color:var(--ink);border-color:var(--line-2)}
.site-head.on-paper .btn-nav:hover{border-color:var(--ink);color:var(--ink)}
.site-head :focus-visible{outline-color:var(--loop-light)}
.site-head.on-paper :focus-visible{outline-color:var(--ink)}

/* ===== Hero: one message over the desk, which clears as you scroll ===== */
.hero{background:var(--ink);color:var(--on-dark);height:150vh;--btn-bg:var(--loop-light);--btn-bg-hover:var(--loop-light-hover);--btn-fg:var(--cta-ink);--focus:var(--loop-light)}
.hero-pin{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;z-index:1;background:var(--ink)}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:0}
.hero-shade{position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(90deg,rgba(15,32,54,.84) 0%,rgba(15,32,54,.58) 36%,rgba(15,32,54,0) 58%)}
.hero-copy{position:absolute;inset:0;z-index:3;max-width:var(--maxw);margin:0 auto;padding:var(--nav-h) var(--gutter-r) 0 var(--gutter-l);display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:var(--gap-lead);pointer-events:none;opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .8s var(--ease)}
.hero-copy.is-on{opacity:1;transform:none;pointer-events:auto}
.hero-copy>*{max-width:600px}
.hero .eyebrow{max-width:none;white-space:nowrap}
.hero h1{font-family:var(--display);font-weight:800;font-size:var(--fs-display);letter-spacing:-.035em;line-height:1;color:var(--white);margin:0;text-wrap:balance}
.hero .sub{color:var(--on-dark);max-width:30em;font-size:var(--fs-lead);line-height:1.5}
.hero .cta{display:flex;flex-direction:column;align-items:flex-start;gap:var(--s2);margin-top:var(--s1)}
.hero .note{color:var(--on-dark);max-width:440px}
.hero ::selection{background:var(--loop-light);color:var(--cta-ink)}
.split .w{display:inline-block;vertical-align:top;clip-path:inset(0 0 0 0);transition:clip-path .9s var(--ease)}
.split .w>i{display:inline-block;font-style:normal;transform:translateY(110%);transition:transform .9s var(--ease)}
.split.is-ready .w{clip-path:inset(-.3em -.05em -.5em -.05em)}
.split.is-ready .w>i{transform:none}
@media (prefers-reduced-motion:reduce){.split .w{clip-path:none;transition:none}.split .w>i{transform:none;transition:none}}
@media (max-height:800px) and (min-width:861px){.hero .note{display:none}}
.hero.is-static{height:auto}
.hero.is-static .hero-pin{position:relative;height:auto;display:block;padding-bottom:var(--s8)}
.hero.is-static .hero-canvas{position:relative;height:min(56vh,480px);width:100%;-webkit-mask-image:linear-gradient(#000 70%,transparent);mask-image:linear-gradient(#000 70%,transparent)}
.hero.is-static .hero-shade{display:none}
.hero.is-static .hero-copy{position:relative;inset:auto;opacity:1;transform:none;transition:none;padding-top:var(--s6);pointer-events:auto}

/* ===== Bento ===== */
.bento{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--s2)}
.cell{position:relative;display:flex;flex-direction:column;gap:12px;padding:var(--s4);background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);min-width:0;transition:box-shadow .4s var(--ease),transform .4s var(--ease)}
@media (hover:hover){.cell:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}}
.cell p{color:var(--ink-2);text-wrap:pretty;max-width:38em}
.cell .num{color:var(--mute);letter-spacing:.14em;text-transform:uppercase}
.cell h3{margin-top:var(--s1)}
.span2{grid-column:span 2}
.span3{grid-column:1/-1}
.rows2{grid-row:span 2}
.cell-dark{background:var(--ink);border-color:var(--ink);color:var(--on-dark);justify-content:center}
.cell-dark .num{color:var(--loop-light)}
.cell-dark>*{position:relative}
.cell-dark .big-line{color:var(--white);font-family:var(--display);font-weight:700;font-size:clamp(24px,2.4vw,32px);letter-spacing:-.02em;line-height:1.25;max-width:20em}

/* Three steps */
.cell.step .cost{margin-top:auto;padding-top:var(--s3);border-top:1px solid var(--line);color:var(--mute);font-size:var(--fs-small);display:flex;flex-direction:column;gap:2px;min-height:calc(var(--s3) + 56px)}
.cell.step .cost b{color:var(--ink);font-size:22px;font-weight:500;letter-spacing:-.01em}
.cell.step.cell-dark{justify-content:flex-start}
.cell.step.cell-dark h3{color:var(--white)}
.cell.step.cell-dark p{color:var(--on-dark)}
.cell.step.cell-dark .cost{border-top-color:rgba(174,186,200,.22);color:var(--on-dark-soft)}
.cell.step.cell-dark .cost b{color:var(--loop-light)}


.principles{grid-template-columns:repeat(2,minmax(0,1fr))}
.principles .cell h3{font-size:clamp(22px,2vw,26px)}
.principles .cell-dark h3{color:var(--white)}
.principles .cell-dark p{color:var(--on-dark)}
.principles .cell-dark .num{color:var(--loop-light)}

/* What you end up with */
.cell.kit h3{margin-top:0}
.cell-rules{background:var(--card-2)}
.rules{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--s3) var(--s6);color:var(--ink-2);counter-reset:rule}
.rules li{position:relative;padding-left:36px;counter-increment:rule}
.rules li b{color:var(--ink);font-weight:700}
.rules li::before{content:counter(rule,decimal-leading-zero);position:absolute;left:0;top:.2em;font-family:var(--mono);font-size:12px;color:var(--loop-deep);letter-spacing:.06em}
.cell-note{background:var(--card-2)}
.cell-note h3,.cell-note p{color:var(--mute)}


.person{display:flex;align-items:center;gap:var(--s2);padding:var(--s2) var(--s3);background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);margin-bottom:var(--s1)}
.person[hidden]{display:none}
.person-photo{width:72px;height:72px;border-radius:50%;object-fit:cover;flex:0 0 auto}
.person-name{font-weight:700;color:var(--ink)}
.person-role{color:var(--mute)}

/* ===== Book: the one dark card ===== */
.book{padding-top:0}
.book-card{background:var(--ink);color:var(--on-dark);border-radius:28px;padding:clamp(36px,5.5vw,80px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--s8);align-items:center;box-shadow:0 40px 80px -40px rgba(15,32,54,.55);--btn-bg:var(--loop-light);--btn-bg-hover:var(--loop-light-hover);--btn-fg:var(--cta-ink);--focus:var(--loop-light)}
.book-card h2{color:var(--white)}
.book-card .sec>p:not(.eyebrow):not(.mono),.book-card .lead{color:var(--on-dark)}
.book-card .eyebrow{color:var(--loop-light)}
.book .cta{display:flex;flex-direction:column;align-items:flex-start;gap:var(--s2);margin-top:var(--s1)}
.book .note{color:var(--on-dark-soft);max-width:380px}
.book-side{border-left:1px solid rgba(255,255,255,.12);padding-left:40px}
.oncall{margin:0;padding:0;list-style:none;display:grid;gap:var(--s3);color:var(--on-dark)}
.oncall li{display:grid;grid-template-columns:24px 1fr;gap:12px;align-items:start}
.oncall li span{text-wrap:pretty}
.oncall .n{color:var(--loop-light);padding-top:4px}

/* ===== Footer ===== */
.footer{padding-block:var(--s8) var(--s6);border-top:1px solid var(--line);color:var(--mute)}
.foot-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:var(--s6);align-items:start}
.footer .brand b{color:var(--loop-deep)}
.foot-mid{max-width:460px;display:flex;flex-direction:column;gap:10px}
.foot-mid p:first-child{color:var(--ink-2)}
.footer .brand{font-size:var(--fs-body)}
.foot-btn{color:var(--ink);border-color:var(--line-2);justify-self:end}
.foot-btn:hover{border-color:var(--ink);color:var(--ink)}
.footer a:not(.btn){color:var(--ink);text-decoration:none}
.footer a:not(.btn):hover{text-decoration:underline}

/* ===== Responsive ===== */
@media (max-width:1000px){
  .two{gap:clamp(48px,6vw,96px)}
  .book-card{grid-template-columns:1fr}
  .book-side{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.12);padding-top:var(--s4)}
}
@media (max-width:860px){
  :root{--nav-h:72px}
  .band{padding-block:var(--s12)}
  .bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .span2,.span3{grid-column:1/-1}
  .principles{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cell.step:last-child{grid-column:1/-1}
  .day{grid-template-columns:1fr}
  .two{grid-template-columns:1fr;gap:var(--s6)}
  .book-card{padding:32px 24px;border-radius:24px}
  .head{margin-bottom:var(--s4)}
  .hero-shade{background:linear-gradient(180deg,rgba(15,32,54,0) 34%,rgba(15,32,54,.72) 52%,rgba(15,32,54,.95) 68%);transition:background .6s ease}
  .hero.is-morning .hero-shade{background:linear-gradient(180deg,rgba(15,32,54,0) 46%,rgba(15,32,54,.72) 64%,rgba(15,32,54,.95) 80%)}
  .hero-copy{justify-content:flex-end;padding-top:0;padding-bottom:56px;gap:18px}
  .hero-copy>*{max-width:100%}
  .hero .sub{font-size:16px;max-width:34em}
  .hero .note{max-width:440px}
  .hero.is-static .hero-canvas{height:44vh}
  .foot-row{grid-template-columns:1fr;gap:var(--s3)}
  .foot-btn{justify-self:start}
}
@media (max-width:600px){
  .hero .eyebrow .long{display:none}
  .hero .eyebrow .short{display:inline}
  .bento,.principles{grid-template-columns:1fr}
  .span2,.span3{grid-column:auto}
}
@media (max-width:480px){
  :root{--fs-display:clamp(38px,11vw,48px);--fs-h2:clamp(28px,8vw,34px)}
  .band{padding-block:72px}
  .hero-copy{padding-bottom:56px}
  .hero-shade{background:linear-gradient(180deg,rgba(15,32,54,0) 20%,rgba(15,32,54,.78) 34%,rgba(15,32,54,.96) 50%)}
  .hero.is-morning .hero-shade{background:linear-gradient(180deg,rgba(15,32,54,0) 46%,rgba(15,32,54,.72) 64%,rgba(15,32,54,.95) 80%)}
  .eyebrow{letter-spacing:.1em;font-size:11px}
  .btn-lg{width:100%;font-size:16px;padding:0 var(--s3)}
  .btn>span{white-space:nowrap}
  .btn-nav{min-height:38px;padding:0 14px;font-size:13px}
  .btn-nav .long{display:none}
  .btn-nav .short{display:inline}
  .brand{font-size:20px}
  .cell{padding:var(--s3)}
}
@media (max-height:560px) and (max-width:860px){
  .hero .sub{display:none}
}