/* UI/UX lane: layout, header, nav, footer, motion */
:root{
  --dark-bg:var(--dark);--dark-ink:var(--cream);--font:var(--font-body);--space:var(--section);
  --pad:max(var(--gutter),calc((100% - var(--max))/2));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:4.5rem}
body{margin:0;overflow-x:hidden}
h1,h2,h3{font-family:var(--font-display);font-weight:700}
h1{letter-spacing:var(--ls-tight)}
h3{font-size:var(--fs-h3);line-height:var(--lh-head);letter-spacing:var(--ls-snug)}
.lead{font-size:var(--fs-lead);line-height:1.45}
.dark .lead,.dark p{color:var(--cream-muted)}
.dark h1,.dark h2,.dark h3{color:var(--cream)}
.dark a:not(.btn){color:var(--accent-bright)}
.light p{color:var(--muted)}
.light h1,.light h2,.light h3{color:var(--ink)}

/* header + nav */
.site-header{position:fixed;inset:0 0 auto 0;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.75rem var(--gutter);z-index:10;
  background:color-mix(in srgb,var(--bg) 84%,transparent);color:var(--ink);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow var(--dur-fast) var(--ease)}
.site-header.scrolled{box-shadow:var(--shadow-s)}
.brand{font-family:var(--font-display);font-weight:700;font-size:1.25rem;letter-spacing:var(--ls-snug);text-decoration:none;color:var(--ink)}
.site-header ul{display:flex;gap:.25rem;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.site-header nav a{position:relative;display:block;padding:.5rem .75rem;text-decoration:none;color:var(--ink);font-size:var(--fs-small);font-weight:600}
.site-header nav a::after{content:"";position:absolute;left:.75rem;right:.75rem;bottom:.25rem;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform var(--dur-fast) var(--ease)}
.site-header nav a:hover::after,.site-header nav a[aria-current]::after{transform:scaleX(1)}
.site-header nav a[aria-current]{color:var(--accent-strong)}
.nav-toggle{display:none;font:inherit;font-weight:600;background:transparent;border:1px solid var(--line);color:var(--ink);border-radius:var(--radius-pill);padding:.45rem 1rem;cursor:pointer;min-height:44px}
@media (max-width:48rem){
  .js .nav-toggle{display:inline-block}
  .js .site-header nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);padding:.5rem var(--gutter) 1rem;box-shadow:var(--shadow)}
  .js .site-header.open nav{display:block}
  .js .site-header ul{flex-direction:column}
  .js .site-header nav a{padding:.85rem .25rem;font-size:1.1rem}
  .js .site-header nav a::after{left:.25rem;right:auto;width:3rem}
  .site-header{flex-wrap:wrap}
  html:not(.js) .site-header nav{width:100%}
}

/* sections */
main>section{padding:var(--space) var(--pad);position:relative}
main>section.band{padding:clamp(2.5rem,6vw,5rem) 0}
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding-top:7rem;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-20% -10% auto auto;width:70vw;height:70vw;background:var(--glow);pointer-events:none}
.hero>*{position:relative}
.hero h1{max-width:14ch;font-size:var(--fs-hero)}
.hero .kinetic{font-family:var(--font-display);font-size:var(--fs-display);line-height:var(--lh-tight);letter-spacing:var(--ls-tight);color:var(--cream);margin:0 0 1.5rem;max-width:none}
.kinetic [data-rotate]{display:inline-block;transition:opacity var(--dur-fast) var(--ease),transform var(--dur-fast) var(--ease),filter var(--dur-fast) var(--ease)}
.kinetic [data-rotate].out{opacity:0;transform:translateY(.4em);filter:blur(6px)}
.btn{transition:transform var(--dur-fast) var(--ease),box-shadow var(--dur-fast) var(--ease)}
.btn:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.progress{position:fixed;top:0;left:0;height:3px;width:100%;transform:scaleX(0);transform-origin:left;z-index:20;background:linear-gradient(90deg,var(--accent),#e0832f)}

/* statement + stats */
.statement{font-family:var(--font-display);font-size:var(--fs-display);line-height:1.1;letter-spacing:var(--ls-snug);max-width:22ch;color:var(--ink)!important;margin:0 0 var(--space-8)}
.statement{max-width:28ch}
.stats{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(12rem,1fr));gap:2rem}
.stats li{border-top:2px solid var(--ink);padding-top:1rem;color:var(--muted)}
.stats strong{display:block;font-family:var(--font-display);font-size:var(--fs-display);line-height:1;color:var(--accent);font-variant-numeric:tabular-nums}

/* marquee */
.band{overflow:hidden;background:var(--dark-2)}
.marquee{display:flex;width:max-content;font-family:var(--font-display);font-size:var(--fs-giant);line-height:1;letter-spacing:var(--ls-tight);color:var(--accent-bright);white-space:nowrap;animation:marquee var(--marquee-speed) linear infinite}
.marquee span{flex:none;padding-right:.3em}
@keyframes marquee{to{transform:translateX(-50%)}}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(16rem,1fr));gap:1.5rem}
.cards>*{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow-s);transition:transform var(--dur-fast) var(--ease),box-shadow var(--dur-fast) var(--ease)}
.cards>*:hover{transform:translateY(-4px);box-shadow:var(--shadow)}

/* scrollytelling */
.scrolly{display:grid;grid-template-columns:1fr 1fr;column-gap:2rem;align-items:start}
.scrolly h2{grid-column:1/-1}
.scrolly-word{grid-column:1;grid-row:2;position:sticky;top:22vh;font-family:var(--font-display);font-size:clamp(4rem,2rem + 11vw,11rem);line-height:1;letter-spacing:var(--ls-tight);color:var(--accent-bright)}
.scrolly-word.swap{animation:word-in var(--dur) var(--ease)}
@keyframes word-in{from{opacity:0;transform:translateY(.15em);filter:blur(8px)}}
.steps{grid-column:2;grid-row:2;list-style:none;margin:0;padding:0}
.steps li{min-height:70vh;display:grid;align-content:center;justify-items:start;gap:.5rem;font-size:var(--fs-step);line-height:1.25;color:var(--cream);max-width:20em}
.steps li>*{margin:0}
.steps li strong{font-family:var(--font-body);font-size:var(--fs-label);letter-spacing:var(--ls-label);text-transform:uppercase;color:var(--accent-bright)}
@media (max-width:48rem){
  .scrolly{display:block}
  .scrolly-word{position:sticky;top:3.5rem;z-index:1;font-size:clamp(4rem,24vw,9rem);padding:.25rem 0 1rem;background:linear-gradient(var(--dark-bg) 75%,transparent)}
  .steps li{min-height:55vh}
}

/* tools containers */
[data-tool]{max-width:60rem}

/* footer */
.site-footer{padding:2.5rem var(--pad);background:var(--dark);color:var(--cream-muted);font-size:var(--fs-small)}

/* motion states (only with JS; without it everything is visible) */
.js .rv{opacity:0;transform:translateY(28px);transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);transition-delay:calc(var(--d,0)*var(--stagger))}
.js .rv.is-in{opacity:1;transform:none}
.js [data-split] .w{display:inline-block;opacity:0;transform:translateY(.5em);filter:blur(8px)}
.js [data-split].is-in .w{animation:word-rise var(--dur-slow) var(--ease) both;animation-delay:calc(var(--i)*70ms)}
@keyframes word-rise{to{opacity:1;transform:none;filter:none}}
.js [data-mask] .m{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.12em;margin-bottom:-.12em}
.js [data-mask] .m>span{display:inline-block;transform:translateY(110%);transition:transform var(--dur-slow) var(--ease);transition-delay:calc(var(--i)*60ms)}
.js [data-mask].is-in .m>span{transform:none}
.js [data-fill] .f{opacity:.18}
.js .steps li{opacity:.3;transition:opacity var(--dur) var(--ease)}
.js .steps li.is-active{opacity:1}
@media (prefers-reduced-motion:reduce){
  .js .rv,.js [data-split] .w,.js [data-mask] .m>span,.js [data-fill] .f,.js .steps li{opacity:1!important;transform:none!important;filter:none!important;animation:none!important;transition:none!important}
  .marquee{animation:none}
  .scrolly-word.swap{animation:none}
}