@font-face{font-family:"Manrope";src:url("../fonts/manrope-latin-400-normal.woff2") format("woff2");font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:"Manrope";src:url("../fonts/manrope-latin-500-normal.woff2") format("woff2");font-style:normal;font-weight:500;font-display:swap}
@font-face{font-family:"Manrope";src:url("../fonts/manrope-latin-600-normal.woff2") format("woff2");font-style:normal;font-weight:600;font-display:swap}

:root{
  --crstel-primary:#171717;
  --crstel-primary-hover:#000000;
  --crstel-secondary:#795f48;
  --crstel-accent:#b7aa9c;
  --crstel-text:#111111;
  --crstel-text-muted:#666666;
  --crstel-warm-grey:#e6e6e6;
  --crstel-white:#ffffff;
  --crstel-dark:#131313;
  --crstel-border:#d5d5d5;
  --crstel-muted:#f1f1ef;
  --crstel-focus:#1769aa;
  --crstel-success:#287447;
  --crstel-warning:#9a6418;
  --crstel-error:#b23a3a;
  --crstel-font:"Manrope",Arial,sans-serif;
  --crstel-content:1440px;
  --crstel-reading:62ch;
  --crstel-section:144px;
  --crstel-gutter:32px;
  --crstel-header:96px;
  --crstel-rule:1px solid var(--crstel-border);
  --crstel-transition:220ms cubic-bezier(.2,.6,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;text-size-adjust:100%}
body{margin:0;background:var(--crstel-white);color:var(--crstel-text);font-family:var(--crstel-font);font-size:16px;font-weight:400;line-height:1.7;overflow-wrap:anywhere}
body.crstel-menu-open{overflow:hidden}
img,svg,video{display:block;max-width:100%;height:auto}
figure{margin:0}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:.23em}
a:hover{color:var(--crstel-secondary)}
button,input,select,textarea{font:inherit}
button,a,input,select,textarea,summary{outline:none}
:where(a,button,input,select,textarea,summary):focus-visible{outline:2px solid var(--crstel-focus);outline-offset:2px}
::selection{background:var(--crstel-accent);color:var(--crstel-primary)}
h1,h2,h3,h4,p,ul,ol,dl,blockquote{margin-top:0}
h1,h2,h3,h4{font-weight:500;line-height:1.06;letter-spacing:-.035em;text-wrap:balance}
h1{font-size:clamp(3.25rem,7vw,7.75rem);max-width:12ch}
h2{font-size:clamp(2.25rem,4.5vw,5rem);max-width:16ch}
h3{font-size:clamp(1.5rem,2.3vw,2.5rem)}
p{max-width:var(--crstel-reading)}
address{font-style:normal}
.screen-reader-text{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.screen-reader-text:focus{position:fixed!important;top:8px;left:8px;width:auto!important;height:auto!important;padding:12px 16px!important;margin:0!important;clip:auto!important;background:var(--crstel-white);color:var(--crstel-text);z-index:100000}

.crstel-shell{width:min(100% - (2 * var(--crstel-gutter)),var(--crstel-content));margin-inline:auto}
.crstel-narrow{max-width:960px}
.crstel-richtext{max-width:760px}
.crstel-richtext>*:last-child,.crstel-aside>*:last-child{margin-bottom:0}
.crstel-main{min-height:60vh}
.crstel-section{padding-block:var(--crstel-section)}
.crstel-muted{background:var(--crstel-muted)}
.crstel-dark{background:var(--crstel-dark);color:var(--crstel-white)}
.crstel-dark a:hover{color:var(--crstel-accent)}
.crstel-eyebrow{margin-bottom:24px;color:var(--crstel-secondary);font-size:.75rem;font-weight:600;letter-spacing:.16em;line-height:1.4;text-transform:uppercase}
.crstel-dark .crstel-eyebrow{color:var(--crstel-accent)}
.crstel-large-copy{font-size:clamp(1.5rem,2.7vw,2.75rem);line-height:1.35;letter-spacing:-.025em;max-width:28ch}
.crstel-section-heading{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.55fr);column-gap:80px;align-items:end;margin-bottom:72px;padding-bottom:32px;border-bottom:var(--crstel-rule)}
.crstel-section-heading .crstel-eyebrow{grid-column:1/-1}
.crstel-section-heading h2{margin-bottom:0}
.crstel-section-heading>p:last-child{margin:0 0 8px;color:var(--crstel-text-muted)}
.crstel-dark .crstel-section-heading>p:last-child{color:var(--crstel-warm-grey)}
.crstel-two-column{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.75fr);gap:clamp(56px,9vw,160px);align-items:start}
.crstel-three-column{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:64px}
.crstel-aside{padding-top:16px;border-top:1px solid currentColor}

.crstel-skip-link{position:fixed;top:-100px;left:16px;z-index:99999;padding:12px 18px;background:var(--crstel-white);color:var(--crstel-primary);border:2px solid var(--crstel-focus)}
.crstel-skip-link:focus{top:16px}
.crstel-header{position:sticky;top:0;z-index:1000;height:var(--crstel-header);background:color-mix(in srgb,var(--crstel-white) 96%,transparent);border-bottom:1px solid transparent;transition:background var(--crstel-transition),border-color var(--crstel-transition),height var(--crstel-transition)}
.crstel-header.is-scrolled{height:78px;background:var(--crstel-white);border-color:var(--crstel-border)}
.crstel-header__inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:48px}
.crstel-brand{position:relative;z-index:2;flex:0 0 auto}
.crstel-brand .custom-logo-link{display:block;min-width:44px;min-height:44px}
.crstel-brand .custom-logo{width:76px;height:76px;object-fit:contain}
.crstel-header.is-scrolled .custom-logo{width:60px;height:60px}
.crstel-brand__wordmark{display:flex;align-items:center;min-height:44px;font-size:.85rem;font-weight:600;letter-spacing:.17em;text-decoration:none}
.crstel-nav{display:flex;align-items:center;gap:42px}
.crstel-nav__list{display:flex;align-items:center;gap:32px;margin:0;padding:0;list-style:none}
.crstel-nav__list a{display:flex;align-items:center;min-height:44px;font-size:.84rem;font-weight:500;text-decoration:none}
.crstel-nav__list .current-menu-item>a,.crstel-nav__list .current-menu-ancestor>a{text-decoration:underline;text-underline-offset:8px}
.crstel-menu-toggle{display:none;align-items:center;justify-content:center;gap:10px;min-width:64px;min-height:44px;padding:0;border:0;background:transparent;color:inherit;cursor:pointer}
.crstel-menu-toggle__icon,.crstel-menu-toggle__icon::before{display:block;width:24px;height:1px;background:currentColor;transition:transform var(--crstel-transition)}
.crstel-menu-toggle__icon{position:relative}
.crstel-menu-toggle__icon::before{content:"";position:absolute;top:7px;left:0}
.crstel-menu-toggle[aria-expanded="true"] .crstel-menu-toggle__icon{transform:translateY(3.5px) rotate(45deg)}
.crstel-menu-toggle[aria-expanded="true"] .crstel-menu-toggle__icon::before{transform:translateY(-7px) rotate(-90deg)}

.crstel-button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 22px;border:1px solid var(--crstel-primary);border-radius:0;background:var(--crstel-primary);color:var(--crstel-white);font-size:.82rem;font-weight:600;letter-spacing:.05em;line-height:1.2;text-decoration:none;transition:background var(--crstel-transition),color var(--crstel-transition),border-color var(--crstel-transition)}
.crstel-button:hover{background:var(--crstel-primary-hover);border-color:var(--crstel-primary-hover);color:var(--crstel-white)}
.crstel-button--secondary{background:transparent;color:var(--crstel-primary)}
.crstel-button--secondary:hover{background:var(--crstel-primary);color:var(--crstel-white)}
.crstel-button--light{border-color:var(--crstel-white);background:var(--crstel-white);color:var(--crstel-primary)}
.crstel-button--light:hover{background:transparent;color:var(--crstel-white)}
.crstel-button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.crstel-text-link{display:inline-flex;align-items:center;min-height:44px;font-size:.78rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;text-decoration:underline}

.crstel-page-hero{padding-block:clamp(112px,13vw,190px);border-bottom:var(--crstel-rule)}
.crstel-page-hero h1{margin-bottom:40px}
.crstel-page-hero h1:last-child{margin-bottom:0}
.crstel-page-hero>div>p:last-child,.crstel-page-hero__dek{font-size:clamp(1.1rem,1.7vw,1.4rem);color:var(--crstel-text-muted);max-width:56ch}
.crstel-page-hero.crstel-dark>div>p:last-child,.crstel-dark .crstel-page-hero__dek{color:var(--crstel-warm-grey)}
.crstel-home-hero{position:relative;min-height:calc(100svh - var(--crstel-header));padding:0;display:flex;align-items:flex-end;overflow:hidden}
.crstel-home-hero>.crstel-shell{position:relative;z-index:2;width:100%;min-height:calc(100svh - var(--crstel-header));padding-block:clamp(88px,10vw,152px);display:flex;flex-direction:column;justify-content:flex-end}
.crstel-home-hero>.crstel-shell::before{content:"";position:absolute;z-index:-1;inset:0 auto 0 calc(50% - 50vw);width:100vw;background:linear-gradient(90deg,rgba(19,19,19,.92) 0%,rgba(19,19,19,.62) 53%,rgba(19,19,19,.08) 100%)}
.crstel-home-hero h1{max-width:10ch;margin-bottom:32px}
.crstel-home-hero .crstel-button--secondary{border-color:var(--crstel-white);color:var(--crstel-white)}
.crstel-home-hero .crstel-button--secondary:hover{background:var(--crstel-white);color:var(--crstel-primary)}
.crstel-home-hero__media{position:absolute;z-index:-2;top:0;bottom:0;left:calc(50% - 50vw);right:calc(50% - 50vw)}
.crstel-home-hero__media img{width:100%;height:100%;object-fit:cover;object-position:center 46%}
.crstel-service-hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.65fr);gap:72px;align-items:end}
.crstel-service-hero figure{aspect-ratio:1/1;overflow:hidden}
.crstel-service-hero img{width:100%;height:100%;object-fit:cover}

.crstel-project-hero{padding-top:120px}
.crstel-project-hero__copy{padding-bottom:72px}
.crstel-project-hero h1{margin-bottom:40px}
.crstel-project-hero__dek{font-size:1.1rem;color:var(--crstel-warm-grey)}
.crstel-project-hero__media{width:100%;height:min(78vh,940px);overflow:hidden}
.crstel-project-hero__media img{width:100%;height:100%;object-fit:cover}
.crstel-project-intro{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(300px,.65fr);gap:clamp(72px,10vw,168px);align-items:start}
.crstel-facts{margin:0;border-top:1px solid var(--crstel-text)}
.crstel-facts>div{display:grid;grid-template-columns:minmax(110px,.75fr) 1.25fr;gap:24px;padding-block:18px;border-bottom:var(--crstel-rule)}
.crstel-facts dt{font-size:.7rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase}
.crstel-facts dd{margin:0}
.crstel-rule-list{margin:32px 0 0;padding:0;list-style:none;border-top:1px solid currentColor}
.crstel-rule-list li{padding-block:16px;border-bottom:1px solid color-mix(in srgb,currentColor 30%,transparent)}

.crstel-project-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:80px 32px}
.crstel-project-card{grid-column:span 7}
.crstel-project-card:nth-child(4n+2),.crstel-project-card:nth-child(4n+3){grid-column:span 5;margin-top:148px}
.crstel-project-card__link{display:block;text-decoration:none}
.crstel-project-card__media{aspect-ratio:1/1;overflow:hidden;background:var(--crstel-muted)}
.crstel-project-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.6,.2,1)}
.crstel-project-card__link:hover img{transform:scale(1.025)}
.crstel-project-card__body{padding-top:24px;border-top:1px solid transparent}
.crstel-project-card__body .crstel-eyebrow{margin-bottom:12px}
.crstel-project-card__title{margin-bottom:16px;font-size:clamp(1.6rem,2.9vw,3.4rem)}
.crstel-project-card__body p:not(.crstel-eyebrow){color:var(--crstel-text-muted)}

.crstel-service-list{border-top:1px solid color-mix(in srgb,var(--crstel-white) 42%,transparent)}
.crstel-service-list article{border-bottom:1px solid color-mix(in srgb,var(--crstel-white) 24%,transparent)}
.crstel-service-list a{display:grid;grid-template-columns:72px minmax(200px,.8fr) minmax(240px,1fr) 48px;gap:32px;align-items:center;min-height:148px;padding-block:28px;text-decoration:none}
.crstel-service-list__number{color:var(--crstel-accent);font-size:.75rem;letter-spacing:.14em}
.crstel-service-list h2,.crstel-service-list h3{margin:0;font-size:clamp(1.75rem,3.5vw,4rem)}
.crstel-service-list p{margin:0;color:var(--crstel-warm-grey)}
.crstel-service-list a>span:last-child{font-size:2rem;transition:transform var(--crstel-transition)}
.crstel-service-list a:hover>span:last-child{transform:translate(5px,-5px)}

.crstel-numbered-list,.crstel-process-list{margin:0;padding:0;list-style:none;border-top:1px solid var(--crstel-text)}
.crstel-numbered-list li{display:grid;grid-template-columns:56px 1fr;gap:20px;padding-block:22px;border-bottom:var(--crstel-rule)}
.crstel-numbered-list span{font-size:.73rem;letter-spacing:.12em;color:var(--crstel-secondary)}
.crstel-process-list{counter-reset:process;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-color:color-mix(in srgb,var(--crstel-white) 40%,transparent)}
.crstel-process-list li{counter-increment:process;min-height:220px;padding:28px 24px 28px 0;border-right:1px solid color-mix(in srgb,var(--crstel-white) 24%,transparent);font-size:1.1rem}
.crstel-process-list li::before{content:counter(process,decimal-leading-zero);display:block;margin-bottom:72px;color:var(--crstel-accent);font-size:.75rem;letter-spacing:.14em}

.crstel-comparison{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--crstel-muted)}
.crstel-comparison__after,.crstel-comparison__before{position:absolute;inset:0}
.crstel-comparison__before{clip-path:inset(0 calc(100% - var(--crstel-position)) 0 0)}
.crstel-comparison img{width:100%;height:100%;object-fit:cover}
.crstel-comparison__range{position:absolute;inset:0;z-index:4;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize}
.crstel-comparison__handle{position:absolute;top:0;bottom:0;left:var(--crstel-position);z-index:3;width:1px;background:var(--crstel-white);transform:translateX(-.5px);pointer-events:none}
.crstel-comparison__handle::after{content:"↔";position:absolute;top:50%;left:50%;display:grid;place-items:center;width:48px;height:48px;border:1px solid var(--crstel-white);border-radius:50%;background:var(--crstel-dark);color:var(--crstel-white);transform:translate(-50%,-50%)}
.crstel-comparison__label{position:absolute;top:20px;z-index:3;padding:7px 10px;background:var(--crstel-dark);color:var(--crstel-white);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;pointer-events:none}
.crstel-comparison__label--before{left:20px}.crstel-comparison__label--after{right:20px}
.crstel-gallery{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:32px}
.crstel-gallery figure{grid-column:span 7;aspect-ratio:1/1;overflow:hidden}
.crstel-gallery figure:nth-child(even){grid-column:6/span 7;margin-top:96px}
.crstel-gallery img{width:100%;height:100%;object-fit:cover}
.crstel-video{background:var(--crstel-dark)}
.crstel-video video{width:100%;max-height:80vh}
.crstel-quote blockquote{margin:0}
.crstel-quote blockquote p{font-size:clamp(2rem,4.2vw,4.75rem);line-height:1.2;letter-spacing:-.03em;max-width:25ch}
.crstel-quote figcaption{margin-top:40px;color:var(--crstel-text-muted)}
.crstel-testimonial blockquote{margin:0}.crstel-testimonial blockquote p{font-size:clamp(2rem,4vw,4.5rem);line-height:1.22;letter-spacing:-.03em;max-width:24ch}.crstel-testimonial figcaption{margin-top:36px;color:var(--crstel-text-muted)}
.crstel-map iframe{display:block;width:100%;min-height:460px;border:0;filter:grayscale(1) contrast(.9)}

.crstel-accordion{border-top:1px solid var(--crstel-text)}
.crstel-accordion details{border-bottom:var(--crstel-rule)}
.crstel-accordion summary{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;padding-block:20px;cursor:pointer;font-size:1.1rem;font-weight:500;list-style:none}
.crstel-accordion summary::-webkit-details-marker{display:none}
.crstel-accordion summary::after{content:"+";display:grid;place-items:center;flex:0 0 44px;width:44px;height:44px;font-size:1.5rem;font-weight:400;transition:transform var(--crstel-transition)}
.crstel-accordion details[open] summary::after{transform:rotate(45deg)}
.crstel-accordion details>div{padding:0 64px 24px 0;color:var(--crstel-text-muted)}

.crstel-form{position:relative}
.crstel-form__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 24px}
.crstel-field--full{grid-column:1/-1}
.crstel-field label{display:block;margin-bottom:8px;font-size:.82rem;font-weight:600}
.crstel-optional,.crstel-help{color:var(--crstel-text-muted);font-size:.75rem;font-weight:400}
.crstel-help{margin:7px 0 0}
.crstel-field input:not([type="checkbox"]),.crstel-field select,.crstel-field textarea{display:block;width:100%;min-height:52px;padding:12px 0;border:0;border-bottom:1px solid var(--crstel-text);border-radius:0;background:transparent;color:var(--crstel-text)}
.crstel-field textarea{min-height:144px;resize:vertical}
.crstel-field select{padding-right:36px}
.crstel-field input::placeholder,.crstel-field textarea::placeholder{color:#777;opacity:1}
.crstel-field.has-error input,.crstel-field.has-error select,.crstel-field.has-error textarea{border-bottom-color:var(--crstel-error)}
.crstel-error{margin:7px 0 0;color:var(--crstel-error);font-size:.8rem}
.crstel-field--consent{margin-block:32px}
.crstel-field--consent label{display:flex;align-items:flex-start;gap:12px;max-width:62ch;font-weight:400}
.crstel-field--consent input{flex:0 0 20px;width:20px;height:20px;margin-top:4px}
.crstel-form__summary{margin-bottom:32px;padding:20px;border-left:4px solid var(--crstel-error);background:#fff5f5}
.crstel-form__summary.is-hidden{display:none}
.crstel-form__summary p{margin-bottom:8px}
.crstel-form__summary ul{margin-bottom:0}
.crstel-form__privacy{margin-top:18px;color:var(--crstel-text-muted);font-size:.75rem}
.crstel-honeypot{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;overflow:hidden!important}

.crstel-cta{background:var(--crstel-warm-grey)}
.crstel-cta h2{max-width:18ch}
.crstel-cta .crstel-button{margin-top:24px}
.crstel-search-results{margin:0;padding:0;list-style:none;border-top:1px solid var(--crstel-text)}
.crstel-search-results li{padding-block:40px;border-bottom:var(--crstel-rule)}
.crstel-search-results .crstel-eyebrow{margin-bottom:12px}
.crstel-search-results h2{font-size:clamp(1.5rem,3vw,3rem)}
.crstel-search-results h2 a{text-decoration:none}

.crstel-footer{padding-top:96px;background:var(--crstel-dark);color:var(--crstel-white)}
.crstel-footer__grid{display:grid;grid-template-columns:1.15fr 1fr .8fr .6fr;gap:56px;padding-bottom:72px}
.crstel-footer__brand{font-size:1rem;font-weight:600;letter-spacing:.17em}
.crstel-footer p,.crstel-footer address{color:var(--crstel-warm-grey);font-size:.9rem}
.crstel-footer .crstel-eyebrow{color:var(--crstel-accent)}
.crstel-footer a{text-decoration:none}
.crstel-footer__nav{margin:0;padding:0;list-style:none}
.crstel-footer__nav a{display:flex;align-items:center;min-height:40px}
.crstel-footer__legal{display:flex;justify-content:space-between;gap:32px;padding-block:24px;border-top:1px solid color-mix(in srgb,var(--crstel-white) 22%,transparent)}
.crstel-footer__legal p{margin:0;font-size:.72rem;letter-spacing:.06em}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}