/* Crowther&Co — production stylesheet */
/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;overflow-x:hidden}
body{margin:0;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none}
button{font:inherit}

/* ---- Fonts ---- */

/* ---- Variables ---- */
:root{
  --ink-900:#0d0d0c; --ink-700:#2b2a27; --ink-500:#6d675c; --ink-300:#b5ada0; --ink-150:#dcd5c9; --ink-100:#f2efe8; --paper:#ffffff;
  --text-primary:var(--ink-900); --text-inverse:var(--paper); --text-muted:var(--ink-500); --text-on-inverse-muted:var(--ink-150);
  --border-subtle:var(--ink-150); --border-strong:var(--ink-900);
  --font-display:'Helvetica Neue',-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;
  --font-body:'Helvetica Neue',-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;
  --display-1:clamp(30px,6vw,90px); --display-3:clamp(32px,6vw,56px);
  --heading-1:clamp(28px,4vw,40px); --heading-2:clamp(22px,3vw,32px); --heading-3:20px;
  --body-lg:19px; --body-md:16px; --body-sm:15px; --label:13px; --caption:12px;
  --tracking-tight:-0.02em; --tracking-tighter:-0.03em; --tracking-wide:0.08em;
  --weight-display:800; --lh-display:0.98; --lh-heading:1.08; --lh-body:1.55;
  --space-xs:5px; --space-sm:12.5px; --space-md:15px; --space-base:20px; --space-lg:25px; --space-xl:30px;
  --space-2xl:40px; --space-3xl:50px; --space-4xl:60px; --space-5xl:80px; --space-section:clamp(40px,5.5vw,80px);
  --border-hairline:1px solid var(--border-subtle); --border-strong-w:1px solid var(--border-strong);
  --ease:cubic-bezier(.4,0,.2,1); --duration-fast:120ms;
}
body{background:var(--paper);font-family:var(--font-body);color:var(--text-primary)}
a{color:var(--ink-900)}
a:hover{color:var(--ink-700)}
::selection{background:var(--ink-900);color:var(--paper)}
@media (prefers-reduced-motion: reduce){*{animation-duration:.001ms!important;transition-duration:.001ms!important}}

/* ---- Layout ---- */
.wrap{min-height:100vh;display:flex;flex-direction:column}
.container{max-width:1280px;margin:0 auto;padding-left:var(--space-base);padding-right:var(--space-base)}
main{flex:1}
h1,h2,h3{font-family:var(--font-display);font-weight:var(--weight-display);letter-spacing:var(--tracking-tight);margin:0}

/* ---- Header / Nav ---- */
header{position:sticky;top:0;z-index:50;background:var(--paper);border-bottom:var(--border-hairline);display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-base);height:78px}
header.light{position:fixed;top:0;left:0;right:0;background:transparent;border-bottom:none;transition:background var(--duration-fast) var(--ease)}
header.light.scrolled{background:var(--ink-900)}
header img.logo{height:28px !important;cursor:pointer;width:auto !important;position:relative;top:4px}
nav.desktop-nav{display:flex;align-items:center;gap:var(--space-xl)}
nav.desktop-nav a{font-size:var(--body-sm);font-weight:500;color:var(--text-muted);border-bottom:2px solid transparent;padding-bottom:4px}
nav.desktop-nav a.active{color:var(--ink-900)}
header.light nav.desktop-nav a{color:rgba(255,255,255,.75)}
header.light nav.desktop-nav a.active{color:#fff}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;min-width:44px;min-height:44px;align-items:center;justify-content:center}
.hamburger span{width:24px;height:2px;background:var(--ink-900)}
header.light .hamburger span{background:#fff}
#mobile-menu{display:none;flex-direction:column;gap:4px;position:fixed;inset:0;z-index:100;background:var(--ink-900);padding:90px var(--space-base) var(--space-base)}
#mobile-menu.open{display:flex}
#mobile-menu a{color:var(--paper);font-size:28px;font-family:var(--font-display);font-weight:700;padding:16px 8px;min-height:44px}
#mobile-menu-close{position:absolute;top:24px;right:var(--space-base);background:none;border:none;color:var(--paper);font-size:32px;line-height:1;cursor:pointer;min-width:44px;min-height:44px}
@media (max-width:900px){
  nav.desktop-nav{display:none}
  .hamburger{display:flex}
}

/* ---- Buttons ---- */
.btn{display:inline-block;font-family:var(--font-body);font-weight:700;border-radius:4px;cursor:pointer;transition:background var(--duration-fast) var(--ease),opacity var(--duration-fast);border:none}
.btn-primary{background:var(--ink-900);color:var(--paper);padding:14px 26px;font-size:var(--body-md)}
.btn-primary:hover{background:var(--ink-700)}
.btn-secondary{background:var(--ink-100);color:var(--ink-900);padding:10px 20px;font-size:var(--body-sm);border:1px solid var(--border-subtle)}
.btn-secondary:hover{background:var(--ink-150)}
.btn-lg{padding:16px 32px;font-size:var(--body-lg)}

/* ---- Hero ---- */
.hero{position:relative;height:76vh;min-height:560px;display:flex;align-items:center;overflow:hidden}
.hero-media{position:absolute;inset:0}
.hero .media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 3.5s ease}
.hero img.media{object-position:center 10%}
.hero .media.is-active{opacity:1}
.hero video.media{filter:contrast(1.15) saturate(1.1) brightness(0.92)}
.hero .scrim{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(13,13,12,.15),rgba(13,13,12,.65));pointer-events:none}
.hero .content{position:relative;padding:calc(var(--space-4xl) + 20px) calc(var(--space-base) * 2) calc(var(--space-5xl) - 20px) var(--space-base);max-width:900px;margin-left:auto;text-align:right}
.hero h1{color:var(--paper);font-size:var(--display-1);font-weight:900;line-height:var(--lh-display);letter-spacing:var(--tracking-tighter);margin:0 0 var(--space-sm) 0;margin-left:auto;max-width:100%;overflow-wrap:break-word;transition:text-align .6s var(--ease)}
.hero h1 span{display:inline-block;transition:opacity 4s var(--ease),transform 4s var(--ease)}
.hero h1 span:nth-child(1){transition-delay:0s}
.hero h1 span:nth-child(2){transition-delay:.25s}
.hero h1 span:nth-child(3){transition-delay:.5s}
.hero h1.swap span{opacity:0}
.hero .content.align-left{margin-left:0;margin-right:auto;text-align:left}
.hero h1.align-left{margin-left:0;margin-right:auto;text-align:left}
.hero p{color:var(--paper);font-size:var(--body-sm);line-height:var(--lh-body);max-width:640px;margin:0 0 0 auto;text-transform:uppercase;letter-spacing:var(--tracking-wide)}
.dash{position:relative;display:inline-block;width:90px;height:5px;color:transparent;margin-bottom:var(--space-md)}
.dash::before{content:'';position:absolute;inset:0;background:var(--ink-900)}
.hero .dash{position:relative;display:inline-block;width:60px;height:6px;color:transparent;opacity:1;transition:opacity 4s var(--ease)}
.hero .content.swap .dash{opacity:0}
.hero .dash::before{content:'';position:absolute;inset:0;background:var(--paper)}

/* ---- Sections ---- */
section.pad{padding:var(--space-section) var(--space-base)}
section.pad-tight{padding:0 var(--space-base) var(--space-section)}
.grid-5{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--space-xl)}
.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:var(--space-2xl)}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--space-xl)}
.card-service{border-top:var(--border-strong-w);padding-top:var(--space-lg);cursor:pointer}
.card-service .num{font-size:var(--caption);letter-spacing:var(--tracking-wide);text-transform:uppercase;color:var(--text-muted);margin-bottom:var(--space-sm)}
.card-service h3{font-size:var(--heading-3);margin:0 0 var(--space-sm)}
.card-service p{font-size:var(--body-sm);line-height:var(--lh-body);color:var(--text-muted);margin:0}
.inverse{background:var(--ink-900);color:var(--paper)}
.work-card{cursor:pointer;text-decoration:none;color:inherit;display:block}
.work-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--ink-150);position:relative}
.work-card .thumb::after{content:'';position:absolute;inset:0;background:var(--ink-900);opacity:0;transition:opacity .5s var(--ease);pointer-events:none}
.work-card .thumb img,.work-card .thumb video{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.16,1,.3,1)}
.work-card .thumb video{transform:scale(1.15);filter:grayscale(0.25) brightness(1.75) contrast(1.35)}
.work-card:hover .thumb img{transform:scale(1.06)}
.work-card:hover .thumb video{transform:scale(1.24)}
.work-card:hover .thumb::after{opacity:0.06}
.work-card h3{font-size:var(--heading-3);margin:var(--space-md) 0 0;display:flex;align-items:center;gap:10px}
.work-card p{font-size:var(--body-sm);color:var(--text-muted);margin:4px 0 0}
.dyn-row{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-xl);overflow:hidden}
.dyn-item{aspect-ratio:4/3;overflow:hidden;background:var(--ink-150);flex:none;width:min(70vw,440px);position:relative}
.dyn-item img{width:100%;height:100%;object-fit:cover;transition:filter .4s var(--ease),opacity .4s var(--ease)}
.dyn-item video{width:100%;height:100%;object-fit:cover;transition:filter .4s var(--ease),opacity .4s var(--ease)}
.dyn-item iframe{position:absolute;top:0;left:50%;width:133.4%;height:100%;transform:translateX(-50%)}
.dyn-item:hover img{filter:grayscale(1) brightness(0.2);opacity:0.9}
.dyn-item:hover video{filter:grayscale(1) brightness(0.2);opacity:0.9}
.dyn-label{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:11px;letter-spacing:var(--tracking-wide);text-transform:uppercase;color:var(--paper);opacity:0;transition:opacity .4s var(--ease);pointer-events:none}
.dyn-item:hover .dyn-label{opacity:1}

/* Client experience strip: preserve the previous white-space height.
   Heading + moving logo row are one group, centred exactly in that space. */
.experience-strip{
  height:200px;
  padding:0;
  box-sizing:border-box;
  position:relative;
  overflow:hidden;
}
.experience-inner{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:stretch;
  gap:26px;
}
.experience-inner > p{
  margin:0 !important;
  flex:none;
  transform:translateY(-8px);
}
.experience-strip .marquee{
  width:100%;
  margin:0;
  flex:none;
}
@media (max-width:760px){
  .hero{height:72svh;min-height:500px}
  .experience-strip{height:152px}
  .experience-inner{gap:22px}
}

.client-logos .logo-box{width:138px;height:48px;flex:none;display:flex;align-items:center;justify-content:center}
.client-logos img{height:32px;width:auto;max-width:100%;object-fit:contain;opacity:0.72;filter:grayscale(1);transition:opacity var(--duration-fast) var(--ease)}
.client-logos img:hover{opacity:1}
[data-split]{overflow:hidden}
[data-split] .split-line{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.18em;margin-bottom:-.18em}
[data-split] .split-line span{display:inline-block;transform:translateY(110%)}
.marquee{overflow:hidden;width:100%}
.marquee-track{display:flex;gap:var(--space-lg);width:max-content;animation:marquee-scroll 50s linear infinite}
.marquee-track.reverse{animation-direction:reverse}
.client-logos.marquee-track{animation-duration:55s;gap:44px;align-items:center}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes marquee-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.case-row{display:grid;grid-template-columns:1.2fr 1fr;gap:var(--space-3xl);align-items:center}
.case-row.rev{grid-template-columns:1fr 1.2fr}
.case-row .img{aspect-ratio:5/3;overflow:hidden;background:var(--ink-150)}
.case-row.rev .img{order:2}
.case-row.rev .txt{order:1}
.case-row .img img{width:100%;height:100%;object-fit:cover}
.case-row .eyebrow{font-size:var(--caption);letter-spacing:var(--tracking-wide);text-transform:uppercase;color:var(--text-muted);margin-bottom:var(--space-sm)}
.case-row h2{font-size:var(--heading-1);margin:0 0 var(--space-md)}
.case-row p{font-size:var(--body-md);line-height:var(--lh-body);color:var(--text-muted);margin:0}
@media (max-width:760px){
  .case-row,.case-row.rev{grid-template-columns:1fr}
  .case-row.rev .img,.case-row.rev .txt{order:initial}
}
.svc-row{border-top:var(--border-strong-w);padding:var(--space-2xl) 0;display:grid;grid-template-columns:1fr 2fr auto;gap:var(--space-xl);align-items:start}
.svc-row:last-child{border-bottom:var(--border-strong-w)}
.svc-row .num{font-size:var(--caption);letter-spacing:var(--tracking-wide);text-transform:uppercase;color:var(--text-muted)}
.svc-row h3{font-size:var(--heading-2);margin:0 0 var(--space-sm)}
.svc-row p{font-size:var(--body-md);line-height:var(--lh-body);color:var(--text-muted);margin:0}
@media (max-width:760px){.svc-row{grid-template-columns:1fr;gap:var(--space-md)}}
.about-grid{padding:0 var(--space-base) var(--space-section);max-width:1280px;margin:0 auto;display:grid;grid-template-columns:minmax(280px,380px) 1fr;gap:var(--space-3xl)}
.about-grid img{width:100%;aspect-ratio:3/4;object-fit:cover}
@media (max-width:760px){.about-grid{grid-template-columns:1fr}}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--space-2xl);border-top:var(--border-strong-w);padding-top:var(--space-2xl);margin-bottom:var(--space-4xl)}
.contact-grid .label{font-size:var(--caption);letter-spacing:var(--tracking-wide);text-transform:uppercase;color:var(--text-muted);margin-bottom:var(--space-sm)}
.contact-grid a,.contact-grid div.val{font-size:var(--body-lg)}

/* ---- Footer ---- */
footer{background:var(--ink-900);color:var(--paper);padding:var(--space-3xl) var(--space-base) var(--space-xl)}
footer .inner{max-width:1280px;margin:0 auto}
footer .top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--space-3xl);padding-bottom:var(--space-2xl);border-bottom:1px solid var(--ink-700)}
footer .cols{display:flex;gap:var(--space-4xl);flex-wrap:wrap}
footer .col{display:flex;flex-direction:column;gap:var(--space-sm)}
footer .col .head{font-size:var(--caption);letter-spacing:var(--tracking-wide);text-transform:uppercase;color:var(--text-on-inverse-muted);margin-bottom:4px}
footer a{color:var(--paper);font-size:var(--body-sm)}
footer .copyright{font-size:var(--caption);color:var(--text-on-inverse-muted);margin:var(--space-lg) 0 0}
section.pad.inverse h2,section.pad.inverse h3{font-weight:600}
.social-row{display:flex;gap:12px;margin-top:4px}
.social-btn{width:40px;height:40px;border:1px solid var(--paper);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--paper)}
.social-btn:hover{background:var(--paper);color:var(--ink-900)}
.social-btn svg{width:18px;height:18px}

[data-reveal]{opacity:0;transform:translateY(28px)}

/* ---- Project detail ---- */
.project-hero{padding-block:calc(var(--space-5xl) + 40px) var(--space-3xl)}
.project-hero .eyebrow{font-size:var(--caption);letter-spacing:var(--tracking-wide);text-transform:uppercase;color:var(--text-muted);margin:0 0 var(--space-md)}
.project-hero h1{font-size:clamp(48px,9vw,140px);font-weight:800;letter-spacing:var(--tracking-tighter);line-height:.92;margin:0}
.project-lead{display:grid;grid-template-columns:1.4fr 1fr;gap:var(--space-3xl);align-items:start}
.project-lead p{font-size:var(--body-md);line-height:1.65;color:var(--text-muted);margin:0 0 var(--space-lg)}
.project-lead p:last-child{margin-bottom:0}
.project-services .head{font-size:var(--caption);letter-spacing:var(--tracking-wide);text-transform:uppercase;color:var(--text-muted);display:block;margin:0 0 var(--space-md)}
.project-services ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.project-services li{font-size:var(--body-lg);padding:var(--space-md) 0;border-top:1px solid var(--border-subtle)}
.project-services li.has-plus,.project-services ul.has-plus li{display:flex;align-items:baseline;gap:var(--space-sm)}
.project-services .plus{font-weight:600;color:var(--text-muted);font-size:0.75em}
.project-services li:last-child{border-bottom:1px solid var(--border-subtle)}
.project-media{display:flex;flex-direction:column;gap:var(--space-2xl)}
.project-media figure{margin:0}
.project-media img,.project-media video{width:100%;height:auto;display:block;background:var(--ink-150)}
.project-media .placeholder{aspect-ratio:16/9;background:var(--ink-150)}
.project-media .cap{font-size:var(--body-sm);color:var(--text-muted);margin:var(--space-sm) 0 0}
.project-next{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-xl)}
.project-next h2{font-size:var(--heading-1);margin:0}
@media (max-width:820px){.project-lead{grid-template-columns:1fr;gap:var(--space-xl)}.project-next{flex-direction:column;align-items:flex-start}}

.work-card .thumb iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}

.client-logos img[alt="NZ Transport Agency Waka Kotahi"]{height:38px;opacity:.82}

footer .top{align-items:flex-start;gap:48px}
footer .cols{align-items:flex-start;gap:64px}
footer .col{gap:8px;min-width:120px}
footer .col .head{margin:0 0 6px}
footer .col strong{line-height:1.35}
footer .col a{line-height:1.45}
@media(max-width:760px){footer .top{gap:32px}footer .cols{gap:32px}}


/* v29 hero polish */
.hero video#hero-sequence{filter:none;opacity:1}
.hero .scrim{background:linear-gradient(to bottom,rgba(13,13,12,.07),rgba(13,13,12,.38))}
.hero .content{opacity:0;transition:opacity .95s ease}
.hero .content.hero-copy-visible{opacity:1}
.hero .content.hero-copy-hidden{opacity:0}
.hero .dash{transition:opacity .95s ease}