/* Tokens */
:root{
  --ink:#10151b;--muted:#596471;--paper:#e7ecf1;--surface:#f4f6f8;
  --dark:#2c333c;--dark-2:#1d232a;--line:#c2cad3;--accent:#4f6fff;--accent-2:#3155ff;
  --max:1440px;--gutter:48px;
  --nav-h:76px;
  --radius:4px;
  --space-section:112px;--space-section-mobile:72px;
  --fs-display:clamp(40px,4.5vw,68px);
  --fs-h2:clamp(32px,3.4vw,52px);
  --fs-h3:clamp(24px,2.2vw,32px);
}

/* Reset */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.55 "Instrument Sans",Arial,sans-serif}
h1,h2,h3,p{margin:0}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0}
img{max-width:100%;display:block}

.shell{width:min(var(--max),calc(100% - (var(--gutter)*2)));margin-inline:auto}
.eyebrow{display:flex;align-items:center;gap:8px;font-family:"IBM Plex Mono",monospace;font-size:12px;font-weight:400;letter-spacing:.11em;text-transform:uppercase}
.eyebrow::before{content:"";width:7px;height:7px;background:var(--accent)}

/* Skip link */
.skip-link{position:absolute;left:16px;top:-60px;z-index:100;padding:10px 16px;background:var(--ink);color:#fff;border-radius:6px;font-size:14px;transition:top .15s ease}
.skip-link:focus{top:16px}

/* Brand */
.brand{font-size:15px;letter-spacing:-.04em}
.brand b{color:var(--accent)}
.brand strong{font-weight:600}

/* Chip */
.chip{display:inline-flex;color:var(--accent);font-family:"IBM Plex Mono",monospace;font-size:11px;font-weight:700;line-height:1;letter-spacing:.08em;text-transform:uppercase}

/* CTA — ink text with a permanent accent underline, so it reads as a deliberate link, not stray color */
.text-link{display:inline-flex;align-items:center;gap:8px;width:max-content;padding-bottom:5px;border-bottom:2px solid var(--accent);color:var(--ink);font-size:16px;font-weight:600;transition:border-color .18s ease}
.text-link:hover,.text-link:focus-visible{border-color:var(--ink)}
.text-link:focus-visible{outline:2px solid var(--accent);outline-offset:6px}
.text-link svg{width:16px;height:16px;fill:none;stroke:var(--accent);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease}
.text-link:hover svg{transform:translateX(3px)}

/* ---------- Header & navigation ---------- */
.site-header{position:fixed;inset:22px 0 auto;z-index:100;transition:inset .2s ease}
.nav-shell{
  height:var(--nav-h);padding:0 34px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:rgba(29,35,42,.5);backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%);
  color:#f5f7f9;border-radius:999px;border:1px solid rgba(255,255,255,.08);
  box-shadow:0 10px 28px rgba(16,21,27,.14);
  transition:background .25s ease,border-color .25s ease,box-shadow .2s ease,height .2s ease;
}
.site-header.scrolled{inset:14px 0 auto}
.site-header.scrolled .nav-shell{background:var(--dark-2);backdrop-filter:none;-webkit-backdrop-filter:none;border-color:rgba(255,255,255,.1);box-shadow:0 14px 34px rgba(16,21,27,.3)}
.nav-shell .brand{font-size:19px;white-space:nowrap}
.nav-shell nav{display:flex;align-items:center;margin-left:auto;gap:36px;font-size:15px}
.nav-shell nav a{position:relative;padding:8px 0;color:#f5f7f9}
.nav-shell nav a::after{content:"";position:absolute;left:0;right:100%;bottom:3px;height:2px;background:var(--accent);transition:right .18s ease}
.nav-shell nav a:hover::after,.nav-shell nav a:focus-visible::after{right:0}
.nav-shell nav a:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:2px}
.nav-shell .brand:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:2px}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.menu{display:none;align-items:center;justify-content:center;padding:8px;border:0;background:transparent;color:inherit;cursor:pointer}
.menu:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:4px}
.menu-icon{display:flex;flex-direction:column;gap:5px;width:20px}
.menu-icon span{display:block;height:2px;background:currentColor;border-radius:1px;transition:transform .2s ease,opacity .2s ease}
.menu[aria-expanded="true"] .menu-icon span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu[aria-expanded="true"] .menu-icon span:nth-child(2){opacity:0}
.menu[aria-expanded="true"] .menu-icon span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

main{padding-top:0}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;min-height:100vh;display:flex;align-items:center;padding:calc(var(--nav-h) + 22px + 88px) 0 96px;background:var(--ink)}
.hero-media{position:absolute;inset:0}
.hero-media video{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,21,27,.88) 0%,rgba(16,21,27,.72) 45%,rgba(16,21,27,.4) 100%)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.hero-copy{grid-column:1/8}
.hero .eyebrow{color:#c7cdd6}
.hero h1{margin-top:26px;color:#fff;font-size:var(--fs-display);font-weight:400;line-height:1.05;letter-spacing:-.05em}
.hero h1 span{color:#9aa4b0}
.lead{max-width:440px;margin-top:26px;color:#cfd5db;font-size:18px}
.actions{display:flex;align-items:center;gap:28px;margin-top:40px}
.hero .text-link{color:#fff}
.hero .text-link:hover,.hero .text-link:focus-visible{border-color:#fff}

/* ---------- About ---------- */
.about{padding:var(--space-section) 0;background:var(--dark);color:#f3f5f7}
.about-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.about .eyebrow{grid-column:1/-1;color:#aeb7c0}
.about-heading{grid-column:1/-1;margin-top:32px;padding-bottom:44px;border-bottom:1px solid #5d6670}
.about h2{max-width:980px;font-size:var(--fs-display);font-weight:400;line-height:1.06;letter-spacing:-.05em}
.about-copy{grid-column:9/13;margin-top:64px;font-size:18px;line-height:1.6}
.about-copy p+p{margin-top:24px;color:#b8c0c8}

/* ---------- Services ---------- */
.services{padding:var(--space-section) 0;background:var(--surface)}
.section-heading{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;margin-bottom:64px}
.section-heading .eyebrow{grid-column:1/9}
.section-heading h2{grid-column:1/9;margin-top:20px;font-size:var(--fs-h2);font-weight:400;line-height:1.08;letter-spacing:-.05em}
.section-heading>p:last-child{grid-column:9/13;align-self:end;color:var(--muted);font-size:17px}

.services-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.service-row{display:flex;flex-direction:column;min-height:480px;padding:34px;background:#dfe5eb;color:var(--ink);border-radius:var(--radius);transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s cubic-bezier(.2,.8,.2,1)}
.service-row:hover{transform:translateY(-3px);box-shadow:0 10px 22px rgba(16,21,27,.08)}
.service-row:hover .service-icon{transform:scale(1.04)}
.service-icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;margin-bottom:24px;background:var(--accent);border-radius:2px;transition:transform .35s cubic-bezier(.2,.8,.2,1)}
.service-icon svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:1.6;stroke-linecap:square;stroke-linejoin:miter}
.service-row:nth-of-type(2){background:var(--dark);color:#f4f6f8}
.service-row:nth-of-type(3){background:#cbd5df}
.service-row h3{margin-top:14px;font-size:var(--fs-h3);font-weight:400;line-height:1.1;letter-spacing:-.04em}
.service-detail{margin-top:auto;color:#4f5b67}
.service-row:nth-of-type(2) .service-detail{color:#c4cbd2}
.service-detail>p{font-size:15px;line-height:1.5}
.service-tags{list-style:none;display:flex;flex-wrap:wrap;gap:9px 20px;margin-top:20px;padding-top:20px;border-top:1px solid var(--line);font-size:14px;color:#525d69}
.service-tags li{display:flex;align-items:center;gap:8px}
.service-tags li::before{content:"";width:5px;height:5px;flex-shrink:0;background:var(--accent)}
.service-row:nth-of-type(2) .service-tags{border-color:#4a525c;color:#a4adb6}

/* ---------- Approach ---------- */
.approach{padding:var(--space-section) 0;background:#d4dce5}
.approach-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.approach-title{grid-column:1/9}
.approach-title h2{margin-top:24px;font-size:var(--fs-h2);font-weight:400;line-height:1.08;letter-spacing:-.05em}
.process-flow{grid-column:1/-1;margin-top:76px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.process-flow>div{padding:28px;background:var(--surface);border-radius:var(--radius);transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s cubic-bezier(.2,.8,.2,1)}
.process-flow>div:hover{transform:translateY(-3px);box-shadow:0 10px 22px rgba(16,21,27,.07)}
.process-flow>div:hover .step-icon{transform:scale(1.04)}
.step-icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;margin-bottom:24px;background:var(--accent);border-radius:2px;color:#fff;font-family:"IBM Plex Mono",monospace;font-size:13px;font-weight:400;transition:transform .35s cubic-bezier(.2,.8,.2,1)}
.process-flow strong{display:block;font-size:var(--fs-h3);font-weight:500;letter-spacing:-.03em}
.process-flow p{max-width:270px;margin-top:20px;color:var(--muted);font-size:15px;line-height:1.55}

/* ---------- Footer ---------- */
footer{padding:var(--space-section) 0 30px;background:var(--dark-2);color:#f2f4f6}
.footer-grid{display:grid;grid-template-columns:2fr .8fr 1fr;gap:60px}
.footer-brand h2{max-width:760px;margin-top:32px;font-size:var(--fs-display);font-weight:400;line-height:1.06;letter-spacing:-.05em}
.footer-label{display:block;margin-bottom:16px;color:var(--accent);font-family:"IBM Plex Mono",monospace;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.footer-grid nav{display:flex;flex-direction:column;gap:12px;margin-top:8px;color:#b7c0c8;font-size:15px}
.footer-grid nav a{width:max-content;transition:color .15s ease}
.footer-grid nav a:hover,.footer-grid nav a:focus-visible{color:#f2f4f6}
.footer-services{margin-top:8px;color:#b7c0c8;font-size:15px}
.footer-services p+p{margin-top:10px}
.footer-bottom{grid-column:1/-1;margin-top:48px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08)}
.footer-bottom small{color:#909aa5;font-size:11px}

/* ---------- Reveal-on-scroll ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease var(--delay,0ms),transform .5s ease var(--delay,0ms)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:1000px){
  .hero-copy{grid-column:1/10}
  .services-list{grid-template-columns:1fr}
  .service-row{min-height:0;padding-bottom:44px}
  .section-heading{display:block}
  .section-heading h2,.section-heading>p:last-child{margin-top:24px}
  .process-flow{grid-template-columns:1fr 1fr}
}

@media(max-width:760px){
  :root{--gutter:22px;--nav-h:54px}

  .js .menu{display:flex}
  .js .nav-shell nav{
    position:absolute;top:calc(var(--nav-h) + 8px);left:0;right:0;
    margin-left:0;flex-direction:column;align-items:flex-start;gap:0;
    padding:8px;background:var(--dark-2);border:1px solid #414a54;border-radius:16px;
    box-shadow:0 14px 30px rgba(16,21,27,.28);
    opacity:0;transform:translateY(-6px);pointer-events:none;
    transition:opacity .16s ease,transform .16s ease;
  }
  .js .nav-shell nav.open{opacity:1;transform:none;pointer-events:auto}
  .js .nav-shell nav a{width:100%;padding:9px 12px;font-size:14px;border-radius:8px;transition:background .15s ease}
  .js .nav-shell nav a::after{display:none}
  .js .nav-shell nav a:hover,.js .nav-shell nav a:focus-visible{background:rgba(255,255,255,.08);outline:none}

  .hero{padding:calc(var(--nav-h) + 14px + var(--space-section-mobile)) 0 var(--space-section-mobile)}
  .hero-copy{grid-column:1/-1}
  .lead{max-width:none;font-size:16px}
  .actions{align-items:flex-start;flex-direction:column;gap:16px}

  .about{padding:var(--space-section-mobile) 0}
  .about h2{grid-column:1/-1}
  .about-copy{grid-column:1/-1;margin-top:36px;font-size:16px}

  .services,.approach{padding:var(--space-section-mobile) 0}
  .section-heading{margin-bottom:44px}

  .approach-title{grid-column:1/-1}
  .process-flow{grid-template-columns:1fr;gap:16px;margin-top:52px}
  .process-flow p{max-width:none}

  footer{padding-top:var(--space-section-mobile)}
  .footer-grid{grid-template-columns:1fr;gap:40px}
  .footer-bottom{margin-top:32px}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .text-link::after,.nav-shell nav a::after,.reveal,.js .nav-shell nav{transition:none}
}