:root{
  --ink:#0a0a0a;
  --paper:#f5f3ef;
  --white:#ffffff;
  --muted:#66645f;
  --line:#d8d5cf;
  --accent:#ff5a1f;
  --accent2:#ff5a1f;
  --max:1440px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:var(--paper);
  font-family:"Inter", Arial, Helvetica, sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}

.shell{max-width:var(--max);margin:0 auto;padding:0 28px}
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(245,243,239,.92);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(10,10,10,.1)
}
.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{
  font-family:"Inter Tight", "Arial Black", sans-serif;
  font-weight:900;
  font-size:34px;line-height:.9;letter-spacing:-1.4px
}
.brand .dot{color:var(--accent)}
.navlinks{display:flex;gap:30px;align-items:center;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.cta{
  display:inline-flex;align-items:center;justify-content:center;gap:12px;
  background:var(--accent);color:#fff;
  padding:14px 18px;border-radius:4px;font-weight:800;
  border:1px solid var(--accent);transition:.2s ease
}
.cta:hover{background:var(--ink);border-color:var(--ink)}
.cta.secondary{background:transparent;color:var(--ink);border-color:var(--ink)}
.cta.secondary:hover{background:var(--ink);color:#fff}
.menu{display:none;border:0;background:none;font-size:24px}

.hero{border-bottom:1px solid var(--line);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;min-height:690px}
.hero-copy{padding:72px 0 56px;display:flex;flex-direction:column;justify-content:space-between}
.kicker{font-size:12px;font-weight:900;letter-spacing:.22em;text-transform:uppercase}
.hero h1,.mega,.section-title{
  font-family:"Inter Tight", "Arial Black", sans-serif;
  font-weight:900;
  margin:0;letter-spacing:-.045em;text-transform:uppercase;line-height:.86
}
.hero h1{font-size:clamp(78px,9.2vw,158px);max-width:780px}
.hero-sub{font-size:22px;line-height:1.35;max-width:570px;margin:24px 0 28px;color:#34322f}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-art{
  position:relative;min-height:690px;
  background:
   radial-gradient(circle at 67% 16%, rgba(255,255,255,.85), transparent 13%),
   linear-gradient(120deg,#d8d8d6 0%,#8b8d8e 28%,#222 60%,#050505 100%);
  overflow:hidden
}
.hero-art:before{
 content:"";position:absolute;left:16%;right:14%;top:0;height:58%;
 background:
  linear-gradient(90deg,transparent 0 10%,#111 10% 16%,transparent 16% 26%,#111 26% 33%,transparent 33% 53%,#111 53% 59%,transparent 59% 76%,#111 76% 82%,transparent 82%);
 opacity:.58;
 clip-path:polygon(8% 0,92% 0,92% 58%,79% 78%,65% 58%,57% 92%,47% 58%,31% 79%,19% 58%);
}
.hero-art:after{
 content:"";position:absolute;left:0;right:0;bottom:0;height:46%;
 background:
  linear-gradient(180deg,transparent 0 18%,rgba(255,255,255,.12) 18% 19%,transparent 19%),
  repeating-linear-gradient(90deg,#0b0b0b 0 9%,#232323 9% 10%,#0b0b0b 10% 19%);
 opacity:.95
}
.bottle{position:absolute;bottom:52px;width:110px;height:238px;background:#121212;border-radius:10px 10px 18px 18px;border:1px solid #4a4a4a;box-shadow:0 18px 35px rgba(0,0,0,.35);z-index:3}
.bottle:before{content:"";position:absolute;width:58px;height:42px;background:#080808;left:26px;top:-38px;border-radius:4px 4px 0 0}
.bottle:after{content:"MASTERLABS.";position:absolute;color:white;font-size:15px;font-weight:900;left:0;right:0;text-align:center;top:112px}
.b1{left:13%;transform:scale(.86)}
.b2{left:39%}
.b3{left:66%;transform:scale(.9)}
.hero-side-note{position:absolute;right:22px;top:24px;color:#fff;z-index:5;font-size:11px;line-height:1.45;letter-spacing:.18em;text-transform:uppercase;max-width:110px}
.hero-side-note:after{content:"";display:block;width:34px;height:3px;background:var(--accent);margin-top:16px}

.statbar{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line);background:#fff}
.stat{padding:28px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat strong{display:block;font-size:13px;text-transform:uppercase;letter-spacing:.08em}
.stat span{display:block;color:var(--muted);font-size:13px;margin-top:6px;line-height:1.45}

.section{padding:90px 0;border-bottom:1px solid var(--line)}
.section-head{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:end;margin-bottom:54px}
.section-title{font-size:clamp(54px,6.8vw,108px)}
.section-copy{font-size:18px;line-height:1.55;color:#3b3935;max-width:640px}
.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.2em;font-weight:900;margin-bottom:18px}

.process-grid{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.process-card{padding:26px;min-height:375px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#faf9f6;display:flex;flex-direction:column;justify-content:space-between}
.process-card .num{font-size:38px;font-weight:900}
.process-card h3{font-size:23px;margin:0 0 10px;text-transform:uppercase}
.process-card p{color:var(--muted);line-height:1.5;font-size:14px}
.process-visual{height:130px;background:linear-gradient(135deg,#efede8,#c8c6c0);position:relative;overflow:hidden;margin-bottom:20px}
.process-visual:before{content:"";position:absolute;inset:22px;border:1px solid #85827a;transform:rotate(-8deg)}
.process-card:nth-child(even) .process-visual{background:linear-gradient(135deg,#111,#484848)}
.process-card:nth-child(even) .process-visual:before{border-color:#ddd;transform:rotate(9deg)}

.band{background:#0b0b0b;color:#fff}
.band .section-copy{color:#d7d7d7}
.band-grid{display:grid;grid-template-columns:.85fr 1.15fr;min-height:520px}
.band-art{position:relative;background:
 linear-gradient(110deg,rgba(255,77,0,.15),transparent 45%),
 repeating-linear-gradient(90deg,#0e0e0e 0 9%,#1a1a1a 9% 11%,#090909 11% 20%)}
.band-art:before{content:"";position:absolute;inset:13% 15%;border:1px solid #484848;border-radius:50%;box-shadow:0 0 0 42px #111,0 0 0 43px #444}
.band-copy{padding:72px;display:flex;flex-direction:column;justify-content:center}
.band .section-title{font-size:clamp(56px,6vw,98px)}

.industries{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.industry{min-height:250px;padding:24px;color:#fff;position:relative;display:flex;align-items:flex-end;overflow:hidden;background:#171717}
.industry:before{content:"";position:absolute;inset:0;background:
 radial-gradient(circle at 70% 30%,rgba(255,255,255,.22),transparent 18%),
 linear-gradient(160deg,transparent 20%,rgba(255,255,255,.08) 20% 21%,transparent 21% 50%,rgba(255,255,255,.04) 50% 52%,transparent 52%)}
.industry h3{position:relative;z-index:2;margin:0;font-size:22px;text-transform:uppercase}
.industry span{position:absolute;top:18px;right:18px;z-index:2;color:var(--accent)}
.industry:nth-child(2){background:#373737}
.industry:nth-child(3){background:#242424}
.industry:nth-child(4){background:#151515}
.industry:nth-child(5){background:#2f2f2f}

.routes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.route{padding:34px;background:#fff;border:1px solid var(--line);min-height:310px;display:flex;flex-direction:column;justify-content:space-between}
.route h3{font-size:36px;margin:0;text-transform:uppercase}
.route p{line-height:1.55;color:var(--muted);max-width:390px}
.route small{text-transform:uppercase;letter-spacing:.15em;font-weight:900}
.route.featured{background:var(--accent);color:#fff;border-color:var(--accent)}
.route.featured p{color:#fff}

.quote{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.quote blockquote{font-family:"Inter",Arial,sans-serif;font-size:38px;line-height:1.2;margin:0}
.quote p{color:var(--muted);line-height:1.7}

.footer{background:#080808;color:#fff;padding:65px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:40px}
.footer .brand{font-size:46px}
.footer h4{font-size:11px;text-transform:uppercase;letter-spacing:.18em;color:#aaa}
.footer a{display:block;color:#ddd;margin:10px 0;font-size:14px}
.footer-bottom{border-top:1px solid #2d2d2d;margin-top:50px;padding-top:20px;color:#888;font-size:12px;display:flex;justify-content:space-between;gap:20px}

.page-hero{padding:90px 0 70px;border-bottom:1px solid var(--line)}
.page-hero h1{font-family:"Inter Tight","Arial Black",sans-serif;font-weight:900;font-size:clamp(70px,9vw,150px);line-height:.86;letter-spacing:-.045em;text-transform:uppercase;margin:0}
.page-hero p{font-size:21px;line-height:1.5;max-width:720px;color:#444;margin-top:28px}
.content-grid{display:grid;grid-template-columns:320px 1fr;gap:80px}
.sticky{position:sticky;top:110px;height:max-content}
.sticky a{display:block;padding:12px 0;border-bottom:1px solid var(--line);font-weight:800;text-transform:uppercase;font-size:12px;letter-spacing:.08em}
.capability{padding:0 0 70px;margin-bottom:70px;border-bottom:1px solid var(--line)}
.capability h2{font-size:52px;margin:0 0 16px;text-transform:uppercase}
.capability p{font-size:18px;line-height:1.65;color:#494742}
.bullets{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:24px}
.bullet{background:#fff;padding:18px;border:1px solid var(--line);font-weight:700}

.form-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}
.form-panel{background:#fff;border:1px solid var(--line);padding:34px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
label{font-size:11px;text-transform:uppercase;letter-spacing:.12em;font-weight:900}
input,select,textarea{border:1px solid #bbb;background:#fff;padding:14px;border-radius:0;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--accent)}
textarea{min-height:140px;resize:vertical}
.notice{font-size:12px;color:var(--muted);line-height:1.5}
.success{display:none;padding:18px;background:#eff9ef;border:1px solid #a8d6a8;margin-top:18px}

/* RC1.6 — Project enquiry form */
.ml-honeypot{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.ml-privacy{display:flex;align-items:flex-start;gap:12px;font-size:13px;line-height:1.6;cursor:pointer}
.ml-privacy input{width:18px;height:18px;flex:0 0 18px;margin-top:2px;accent-color:#ff5a1f}
.ml-privacy a{color:inherit;text-decoration:underline}
#projectFeedback.ml-error{background:#fff1ee;border-color:#e49b89;color:#8b281a}
#projectForm button:disabled{opacity:.6;cursor:wait}

@media(max-width:1000px){
  .navlinks{display:none}
  .menu{display:block}
  .navlinks.open{display:flex;position:absolute;left:0;right:0;top:78px;background:var(--paper);padding:24px 28px;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--line)}
  .hero-grid,.section-head,.band-grid,.quote,.form-wrap,.content-grid{grid-template-columns:1fr}
  .hero-art{min-height:520px}
  .process-grid{grid-template-columns:1fr 1fr}
  .industries{grid-template-columns:1fr 1fr}
  .routes{grid-template-columns:1fr}
  .statbar{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .sticky{position:static}
}
@media(max-width:640px){
  .shell{padding:0 18px}
  .nav{height:68px}
  .brand{font-size:28px}
  .hero-copy{padding-top:42px}
  .hero h1{font-size:72px}
  .hero-art{min-height:420px}
  .process-grid,.industries,.statbar,.form-grid,.footer-grid{grid-template-columns:1fr}
  .section{padding:66px 0}
  .section-title{font-size:58px}
  .band-copy{padding:44px 24px}
  .b1{left:5%}.b2{left:36%}.b3{left:67%}
}

/* RC1.1 - MASTERLABS brand typography and navigation */
:root{--font-heading:"Inter Tight",Arial,sans-serif;--font-body:"Inter",Arial,sans-serif;--font-technical:"IBM Plex Mono",monospace}
h1,h2,h3,h4,h5,h6,.mega,.section-title,.brand{font-family:var(--font-heading)}
.eyebrow,.kicker,.num,.hero-side-note,.process-card small,.route small,.technical,.specification,.batch-number,.mono{font-family:var(--font-technical)}
.navlinks a.is-active:not(.cta){text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:7px}
.navlinks a:focus-visible,.menu:focus-visible{outline:2px solid var(--accent);outline-offset:4px}

/* RC1.3 responsive imagery */
.ml-picture{display:block;width:100%;height:100%;overflow:hidden}
.ml-picture img{display:block;width:100%;height:100%;object-fit:cover}
.hero-art>.ml-picture{position:absolute;inset:0;z-index:1}
.hero-art:before,.hero-art:after{display:none}
.hero-side-note{z-index:3;text-shadow:0 1px 8px #000}
.process-visual:before{display:none}
.process-visual>.ml-picture{position:absolute;inset:0}
.band-art>.ml-picture{position:absolute;inset:0}
.band-art:before{display:none}
.industry>.ml-picture{position:absolute;inset:0}
.industry>.ml-picture:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(0,0,0,.75))}
.industry:before{display:none}

/* RC1.3.1 - Process card number typography and punctuation */
.process-card .num{font-family:var(--font-body);font-weight:900;letter-spacing:-.045em}
.process-card .num-dot{color:var(--accent)}

/* RC1.3.2 - Shared heading punctuation accent */
.accent-dot{color:var(--accent)}

/* RC1.3.5 - Homepage hero: legible headline and complete sample lineup */
@media (min-width:1001px){
  .hero-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr)}
  .hero-copy{min-width:0;padding-right:22px}
  .hero h1{font-size:clamp(64px,6.15vw,106px);max-width:100%;letter-spacing:-.052em}
}
.hero-art{background:#f5f3ef}
.hero-art>.ml-picture img{object-fit:contain;object-position:center center}
.hero-side-note{color:#26231f;text-shadow:none;background:rgba(245,243,239,.72);padding:6px 8px}
@media(max-width:1000px){
  .hero-copy{gap:64px}
  .hero h1{font-size:clamp(62px,10vw,112px);max-width:100%}
  .hero-art{min-height:clamp(360px,66vw,620px)}
}
@media(max-width:640px){
  .hero-copy{gap:48px;padding-bottom:36px}
  .hero h1{font-size:clamp(43px,11.3vw,72px);letter-spacing:-.055em}
  .hero-art{min-height:360px}
  .hero-side-note{right:12px;top:12px;font-size:9px}
}

/* RC1.3.6 - Final homepage hero refinement */
/* Remove the redundant overlay annotation without changing homepage markup. */
.hero-art .hero-side-note{display:none}
/* Give the product lineup more presence while retaining contain sizing. */
@media (min-width:1001px){
  .hero-art>.ml-picture img{transform:scale(1.10);transform-origin:center center}
}
@media (min-width:641px) and (max-width:1000px){
  .hero-art>.ml-picture img{transform:scale(1.06);transform-origin:center center}
}

/* RC1.5 - Homepage directional process rail */
.journey{background:#fff;border-bottom:1px solid var(--line);overflow:hidden}
.journey-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 28px;background:var(--paper);border-bottom:1px solid var(--line);font:700 10px/1.3 var(--font-technical);letter-spacing:.16em;text-transform:uppercase}
.journey-hint{display:none;color:var(--muted)}
.journey-rail{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));width:100%}
.journey-step{position:relative;min-width:0;min-height:176px;padding:23px 28px 25px;display:flex;flex-direction:column;justify-content:space-between;gap:20px;border-right:1px solid var(--line);transition:background .2s ease}
.journey-step:last-child{border-right:0}
.journey-step:hover{background:#faf9f6}
.journey-top{display:flex;justify-content:space-between;align-items:flex-start}
.journey-number{font-family:var(--font-heading);font-size:46px;font-weight:900;line-height:.9;letter-spacing:-.06em}
.journey-arrow{font:400 48px/0.8 var(--font-heading);color:var(--accent);margin-right:-12px}
.journey-step h2{margin:0 0 7px;font:800 16px/1.1 var(--font-heading);text-transform:uppercase;letter-spacing:.025em}
.journey-step p{margin:0;color:var(--muted);font-size:13px;line-height:1.45;max-width:280px}
@media(max-width:1000px){
 .journey-head{padding:14px 18px}
 .journey-hint{display:block}
 .journey-rail{display:flex;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scroll-padding-left:18px;padding:0 18px 12px;gap:10px;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--accent) var(--line)}
 .journey-step{flex:0 0 min(72vw,320px);scroll-snap-align:start;border:1px solid var(--line);min-height:190px;padding:22px}
 .journey-step:last-child{border-right:1px solid var(--line)}
 .journey-arrow{margin-right:0}
}
@media(max-width:640px){.journey-step{flex-basis:78vw}.journey-number{font-size:44px}}
@media(prefers-reduced-motion:reduce){.journey-step{transition:none}}

/* RC1.5.1 - Compact directional rail and cleaner mobile scrolling */
@media (min-width:1001px){
  .journey-step{min-height:148px;padding:19px 28px 20px;gap:12px}
  .journey-number{font-size:44px}
  .journey-arrow{font-size:44px}
}
@media (max-width:1000px){
  .journey-rail{padding-bottom:16px;scrollbar-width:none;-ms-overflow-style:none}
  .journey-rail::-webkit-scrollbar{display:none}
  .journey-step{min-height:198px;padding:19px 20px;gap:14px}
  .journey-number{font-size:44px}
  .journey-arrow{font-size:44px}
}