/* Decibel Development: shared case-study styles (reset, type, header, reveals, footer, next-project) */
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:var(--hdr);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--f-black);color:var(--f-off);font:400 var(--t-body)/1.55 var(--f-body);overflow-x:clip}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p,figure{margin:0}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance}
p{text-wrap:pretty}
::selection{background:var(--f-orange);color:var(--f-off)}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:6px}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:fixed;left:16px;top:-80px;z-index:200;background:var(--paper);color:var(--night);padding:10px 14px;border-radius:10px;text-decoration:none;font-weight:600}
.skip:focus{top:calc(env(safe-area-inset-top,0px) + 12px)}
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
.label{font:500 var(--t-label)/1.2 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--f-off-2);display:flex;align-items:center;gap:10px}
.label::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--f-orange);flex:none}
.on-off{background:var(--f-off);color:var(--f-black);color-scheme:light}
.on-off .label{color:var(--f-blk-2)}
.on-off :focus-visible{outline-color:var(--f-black)}
.light{background:var(--paper);color:var(--on-paper);color-scheme:light}
.light .label{color:var(--on-paper-2)}
.light .label::before{background:var(--coral)}
.night{background:var(--night);color:var(--on-night)}
.night .label{color:var(--on-night-2)}
.night .label::before{background:var(--signal)}

/* Buttons */
.btn{-webkit-tap-highlight-color:transparent;display:inline-flex;align-items:center;gap:10px;padding-block:15px;padding-inline:24px 22px;border-radius:999px;border:1px solid transparent;font:600 var(--t-ui)/1 var(--f-body);text-decoration:none;cursor:pointer;white-space:nowrap;transition-property:scale,background-color,color,box-shadow;transition-duration:150ms;transition-timing-function:ease-out}
.btn:not(:disabled):active{scale:.96}
.btn svg{width:1.1em;height:1.1em;flex:none}
.btn-coral{background:var(--coral);color:var(--night)}
.btn-night{background:var(--night);color:var(--paper)}
.btn-paper{background:var(--paper);color:var(--night)}
.btn-lg{padding-block:19px;padding-inline:30px 26px;font-size:1.0625rem}
@media (hover:hover) and (pointer:fine){.btn-paper:hover{background:#fff}.btn-coral:hover{background:#F66B3C}.btn-night:hover{background:#0C2C34}}
.toggle{-webkit-tap-highlight-color:transparent;display:inline-flex;align-items:center;gap:10px;height:40px;padding-inline:14px 16px;border-radius:999px;border:1px solid transparent;cursor:pointer;background:rgba(237,235,218,.08);box-shadow:inset 0 0 0 1px var(--f-off-line);color:var(--f-off);font:500 var(--t-label)/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;transition-property:scale,background-color;transition-duration:150ms;transition-timing-function:ease-out}
.toggle:active{scale:.96}
.toggle i{width:26px;height:14px;border-radius:999px;background:rgba(237,235,218,.2);position:relative;transition:background-color 200ms ease}
.toggle i::after{content:"";position:absolute;top:2px;left:2px;width:10px;height:10px;border-radius:50%;background:var(--f-off);transition:translate 200ms var(--ease-out)}
.toggle[aria-pressed="true"] i{background:var(--f-orange)}
.toggle[aria-pressed="true"] i::after{translate:12px 0}
@media (hover:hover) and (pointer:fine){.toggle:hover{background:rgba(237,235,218,.12)}}

/* Header */
.hdr{position:fixed;inset:0 0 auto;z-index:60;padding-top:env(safe-area-inset-top,0px);color:var(--on-night);transition-property:background-color,box-shadow;transition-duration:200ms;transition-timing-function:ease-out}
.hdr[data-scrolled="true"]{background:rgba(6,6,6,.78);-webkit-backdrop-filter:blur(14px) saturate(1.4);backdrop-filter:blur(14px) saturate(1.4);box-shadow:0 1px 0 rgba(237,235,218,.1)}
.hdr-progress{position:absolute;left:0;right:0;bottom:0;height:2px;overflow:hidden;pointer-events:none}
.hdr-progress i{display:block;height:100%;background:var(--signal);transform-origin:left;transform:scaleX(var(--sp,0))}
.nav{height:var(--hdr);display:flex;align-items:center;gap:24px}
.brand{display:flex;flex:none;text-decoration:none}
.brand svg{height:36px;width:auto}
.crumb{display:flex;align-items:center;gap:10px;font:500 var(--t-label)/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--on-night-3)}
.crumb a{color:var(--on-night-2);text-decoration:none;transition:color 120ms ease}
@media (hover:hover) and (pointer:fine){.crumb a:hover{color:var(--on-night)}}
.nav .btn{margin-left:auto;padding-block:12px;padding-inline:20px 18px}

/* Entrance + reveals */
@keyframes in-fade{from{opacity:0}}
@keyframes in-up{from{opacity:0;transform:translateY(12px);filter:blur(4px)}}
@keyframes rise{from{transform:translateY(105%)}}
@keyframes wipe{from{clip-path:inset(0 100% 0 0)}}
@keyframes unveil{from{clip-path:inset(100% 0 0 0 round 20px)}}
.enter{animation:in-fade 300ms var(--ease-out) both;animation-delay:var(--d,0ms)}
@media (prefers-reduced-motion:no-preference){.enter{animation-name:in-up}}
.wm{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.1em;margin-bottom:-.1em}
.wm-i{display:inline-block}
@media (prefers-reduced-motion:no-preference){
  .rv-wait[data-reveal="words"] .wm-i{transform:translateY(108%)}
  .rv-in[data-reveal="words"] .wm-i{transition:transform 650ms var(--ease-out);transition-delay:calc(var(--wi) * 80ms)}
  .rv-wait[data-reveal="up"]{opacity:0;transform:translateY(12px);filter:blur(4px)}
  .rv-in[data-reveal="up"]{transition-property:opacity,transform,filter;transition-duration:300ms;transition-timing-function:var(--ease-out);transition-delay:calc(var(--ri,0) * 100ms)}
  .rv-wait[data-reveal="clip"] > *{clip-path:inset(100% 0 0 0)}
  .rv-in[data-reveal="clip"] > *{transition:clip-path 1100ms var(--ease-in-out);transition-delay:calc(var(--ri,0) * 120ms + var(--ci,0) * 70ms)}
}
@media (prefers-reduced-motion:reduce){.rv-wait[data-reveal]{opacity:0}.rv-in[data-reveal]{transition:opacity 300ms ease-out}}

.sec{padding-block:clamp(88px,11vw,160px)}
.head{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:20px 24px;margin-bottom:clamp(40px,6vw,80px);align-items:end}
.head .label{grid-column:1 / -1}
.head h2{grid-column:1 / span 7;font-size:var(--t-display);font-weight:800;font-stretch:90%;line-height:.94;letter-spacing:-.03em}
.head p{grid-column:9 / span 4;max-width:42ch;color:var(--f-off-2)}
.on-off .head p{color:var(--f-blk-2)}
.light .head p{color:var(--on-paper-2)}
.night .head p{color:var(--on-night-2)}

/* Next */
.next{background:var(--signal);color:var(--night);padding-block:clamp(64px,9vw,128px)}
.next .wrap{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;align-items:end}
.next .label{grid-column:1 / -1;color:rgba(7,29,35,.7)}
.next .label::before{background:var(--night)}
.next h2{grid-column:1 / span 8;font-size:clamp(3rem,7.4vw,7.5rem);font-weight:800;font-stretch:88%;letter-spacing:-.035em;line-height:.9}
.next-side{grid-column:9 / span 4;display:grid;gap:20px;justify-items:start}
.next-side p{color:rgba(7,29,35,.78);font-size:var(--t-lede)}
.next-link{display:inline-flex;gap:10px;align-items:center;font:500 var(--t-label)/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--night);text-decoration:none;border-bottom:1px solid rgba(7,29,35,.4);padding-bottom:4px}

/* Footer */
.foot{position:relative;overflow:hidden;isolation:isolate;background:var(--night);color:var(--on-night);padding-block:clamp(56px,7vw,96px) calc(env(safe-area-inset-bottom,0px) + 28px)}
.foot > .wrap{position:relative;z-index:1}
.wm-waves{position:absolute;z-index:0;left:0;right:0;width:100%;top:0;height:200px;pointer-events:none}
.wm-stage{position:relative}
.wordmark{position:relative;width:100%;height:auto;color:var(--on-night);overflow:visible}
.wordmark .ltr{fill:currentColor}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:28px;padding-top:20px;border-top:1px solid var(--night-line);font:500 var(--t-label)/1.4 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--on-night-3)}
.foot-bottom a{color:var(--on-night-2);text-decoration:none}

/* Inline SVG sprite holder */
.sprite{position:absolute;width:0;height:0;overflow:hidden}