:root { --ink:#26343d; --teal:#4c879b; --green:#46b2a9; --bright:#42d9bf; --grey:#677a80; --accent:#ff6600; --paper:#f6f8f8; --soft:#e9f3f2; --line:#cbdcde; --muted:#52656c; --link:#356273; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:116px; }
body { margin:0; background:var(--paper); color:var(--ink); font-family:system-ui,-apple-system,"Segoe UI",sans-serif; font-size:17px; line-height:1.6; }
a { color:inherit; text-underline-offset:5px; }
img { display:block; width:100%; height:auto; }
h1,h2,h3,p { margin:0 0 20px; }
h1,h2,h3 { line-height:1.12; letter-spacing:-.035em; }
h1 { font-size:clamp(40px,4.8vw,64px); max-width:780px; }
h2 { font-size:clamp(30px,3.5vw,46px); max-width:860px; }
h3 { font-size:24px; }
.wrap { width:min(1120px,calc(100% - 48px)); margin:auto; }
.section { padding:76px 0; }
.soft { background:var(--soft); }
.eyebrow { color:var(--link); font-size:12px; font-weight:800; text-transform:uppercase; letter-spacing:.15em; margin-bottom:16px; }
.intro { color:var(--muted); font-size:20px; max-width:760px; }
.grid-two { display:grid; grid-template-columns:1fr 1fr; gap:36px; }
.button { display:inline-flex; align-items:center; justify-content:center; min-height:48px; padding:12px 22px; background:var(--accent); color:#1f2b33; font-weight:750; border-radius:4px; text-decoration:none; }
.button:hover { background:#ff8533; }
.text-link { font-weight:700; color:var(--link); }
:focus-visible { outline:3px solid var(--green); outline-offset:5px; }
.skip { position:absolute; left:-9999px; }
.skip:focus { top:10px; left:12px; padding:12px; background:white; z-index:100; }
header { position:sticky; top:0; z-index:10; background:var(--paper); border-bottom:1px solid var(--line); }
.header-inner { min-height:104px; display:flex; align-items:center; justify-content:space-between; gap:24px; }
.brand { display:block; flex-shrink:0; }
.brand img { width:260px; height:auto; object-fit:contain; }
nav { display:flex; align-items:center; gap:25px; font-size:14px; }
nav a { text-decoration:none; }
.mobile-nav { display:none; }
.concept { background:var(--soft); padding:8px 0; font-size:12px; color:var(--muted); border-top:3px solid var(--green); }
.hero { background-color:var(--ink); background-image:linear-gradient(90deg,rgba(22,35,44,.91) 0%,rgba(22,35,44,.79) 46%,rgba(22,35,44,.38) 78%,rgba(22,35,44,.22) 100%),url("/assets/images/treeline-hero.14a9dc2162.webp"); background-size:cover; background-position:center 54%; color:white; padding:64px 0; border-bottom:5px solid var(--green); }
.hero-copy { max-width:760px; }
.hero .eyebrow { color:var(--bright); }
.hero .intro { color:#e9f0f2; font-size:19px; max-width:680px; }
.hero a:not(.button) { color:white; }
.hero-actions { display:flex; align-items:center; flex-wrap:wrap; gap:23px; margin:28px 0; }
.hero-note { margin:0; font-size:13px; color:#d8e5e9; max-width:640px; }
.pain-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:22px; margin-top:34px; }
.pain { border-top:2px solid var(--teal); padding-top:20px; }
.pain h3 { font-size:19px; letter-spacing:-.02em; }
.pain p { color:var(--muted); font-size:15px; }
.route { padding:32px; border:1px solid var(--line); background:white; border-radius:5px; display:flex; flex-direction:column; }
.route .text-link { margin-top:auto; }
.route p { color:var(--muted); }
.route-num { font-size:12px; color:var(--link); font-weight:800; letter-spacing:.12em; margin-bottom:22px; }
.values { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin:32px 0; }
.value { background:white; border:1px solid var(--line); padding:20px; }
.value b { color:var(--link); display:block; font-size:13px; margin-bottom:10px; }
.value h3 { font-size:19px; letter-spacing:-.02em; }
.value p { color:var(--muted); font-size:14px; margin:0; }
.framework-questions { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin:32px 0; }
.framework-questions h3 { font-size:20px; }
.framework-questions p { font-size:15px; color:var(--muted); }
.illustration { padding:25px 30px; border-left:3px solid var(--teal); background:white; }
.illustration small { color:var(--link); font-weight:700; }
.illustration p { margin:10px 0 0; }
.machine-visual { margin:36px 0 28px; }
.machine-visual img { width:100%; height:auto; border:1px solid var(--grey); border-radius:5px; }
.machine-visual figcaption { max-width:830px; color:#dae5e8; font-size:16px; padding:18px 0 0; }
.machine-visual figcaption strong { display:block; color:var(--bright); margin-bottom:6px; }
.scan { display:grid; grid-template-columns:1fr 1fr; gap:48px; margin-bottom:45px; }
.scan ol { padding-left:22px; margin:0; }
.scan li { margin-bottom:14px; padding-left:6px; }
.quote { margin:0; max-width:850px; padding:35px; border-left:4px solid var(--accent); background:var(--soft); }
.quote p { font-size:20px; line-height:1.65; }
.quote footer { margin-top:25px; font-size:15px; font-weight:800; }
.reference-quotes { margin-top:48px; padding-top:36px; border-top:1px solid var(--line); }
.reference-quotes .quote { max-width:none; height:100%; display:flex; flex-direction:column; }
.reference-quotes .quote p { font-size:18px; }
.reference-quotes .quote footer { margin-top:auto; padding-top:16px; }
.case { border-top:1px solid var(--line); padding-top:28px; }
.case .eyebrow { font-size:11px; }
.case p { font-size:16px; }
.case details { border-top:1px solid var(--line); padding-top:14px; }
summary { cursor:pointer; font-weight:700; }
details p { margin-top:16px; }
.about { display:grid; grid-template-columns:1.35fr .65fr; gap:44px 60px; align-items:start; }
.portrait { margin:0; }
.portrait img { width:100%; height:auto; aspect-ratio:1; border-radius:5px; }
.conversation { grid-column:1/-1; display:grid; grid-template-columns:1.25fr .75fr; gap:40px; align-items:center; margin:12px 0 0; }
.conversation img { width:100%; height:auto; border-radius:5px; }
.conversation figcaption h3 { font-size:clamp(25px,2.6vw,32px); }
.conversation figcaption p { color:var(--muted); margin-bottom:0; }
.experience { grid-column:1/-1; border-top:1px solid var(--line); padding-top:28px; display:grid; grid-template-columns:repeat(3,1fr); gap:30px; }
.experience p { font-size:15px; margin-bottom:24px; }
.experience strong { display:block; }
.contact { background:var(--ink); color:#fff; }
.contact .eyebrow { color:var(--bright); }
.contact .intro { color:#dae5e8; }
.contact .grid-two { align-items:center; }
.contact-list { border-left:1px solid var(--grey); padding-left:34px; }
.contact-list h3 { font-family:inherit; font-size:inherit; line-height:inherit; letter-spacing:normal; font-weight:600; }
.contact-list a { display:block; color:#fff; margin:14px 0; }
.contact-logo { width:190px; max-width:100%; height:auto; margin-bottom:28px; }
.site-footer { padding:28px 0; color:var(--muted); font-size:13px; }
.lifecycle { background:var(--ink); color:white; }
.lifecycle .eyebrow { color:var(--bright); }
.lifecycle .intro,.lifecycle .framework-questions p { color:#dae5e8; }
.lifecycle .value { background:#1f2b33; border-color:var(--grey); border-top:3px solid var(--green); }
.lifecycle .value b { color:var(--bright); }
.lifecycle .value p { color:#dae5e8; }
.lifecycle .illustration { background:#1f2b33; border-color:var(--bright); }
.lifecycle .illustration small { color:var(--bright); }
@media (max-width:900px) { nav { gap:15px; } .brand img { width:210px; } .pain-grid,.values { grid-template-columns:repeat(2,1fr); } .hero { padding:48px 0; background-image:linear-gradient(90deg,rgba(22,35,44,.88),rgba(22,35,44,.68)),url("/assets/images/treeline-hero-800.bf3952f229.webp"); background-position:58% center; } .hero-note { max-width:500px; } }
@media (max-width:680px) { html { scroll-padding-top:96px; } .wrap { width:calc(100% - 36px); } .section { padding:50px 0; } .header-inner { min-height:84px; } .brand img { width:104px; height:80px; } .desktop-nav { display:none; } .mobile-nav { display:block; } .mobile-nav nav { position:absolute; left:0; right:0; top:84px; flex-direction:column; align-items:stretch; padding:20px; background:var(--paper); border-bottom:1px solid var(--line); } .grid-two,.scan,.about,.framework-questions,.experience { grid-template-columns:1fr; gap:28px; } .portrait-placeholder { width:min(100%,320px); min-height:280px; aspect-ratio:4/5; } .pain-grid { grid-template-columns:1fr; gap:12px; } .route { padding:25px; } .value { padding:15px; } .value h3 { font-size:17px; } .quote { padding:22px; } .quote p { font-size:18px; } .contact-list { border-left:0; padding:0; } .hero-actions .button { width:100%; } .hero-actions { gap:18px; } .concept { font-size:11px; } }
@media (max-width:680px) { .brand img { width:200px; height:auto; } .portrait { width:min(100%,360px); } .conversation { grid-template-columns:1fr; gap:24px; } .machine-visual figcaption { font-size:15px; } }
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }


.language-nav { display:flex; gap:10px; flex-shrink:0; font-size:13px; font-weight:750; }
.language-nav a[aria-current="page"] { color:var(--link); text-decoration:underline; }
.language-nav a { text-decoration:none; padding:8px 0; }
.desktop-nav { gap:18px; }
.route-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.route-grid h3 { font-size:25px; }
.route-grid .route { padding:28px; }
.service-hero { background:var(--ink); color:white; padding:52px 0 64px; border-bottom:5px solid var(--green); }
.service-hero .eyebrow { color:var(--bright); }
.service-hero .intro { color:#dae5e8; }
.service-hero h1 { max-width:930px; font-size:clamp(36px,4.5vw,60px); }
.breadcrumbs { font-size:13px; margin:0 0 30px; }
.reading { max-width:820px; }
.reading h2 { font-size:clamp(28px,3.4vw,40px); margin-top:44px; }
.reading h2:first-child { margin-top:0; }
.reading li { margin:0 0 12px; }
.reading ul,.reading ol { padding-left:23px; }
.service-columns { display:grid; grid-template-columns:1.5fr 1fr; gap:55px; align-items:start; }
.side-note { background:var(--soft); border-top:3px solid var(--green); padding:28px; }
.side-note h2 { font-size:27px; }
.side-note img { max-width:180px; margin:0 0 24px; border-radius:4px; }
.translation-note { font-size:12px; font-weight:400; display:block; margin-top:8px; }
.related { margin-top:30px; padding-top:24px; border-top:1px solid var(--line); }
.faq details { padding:20px 0; border-bottom:1px solid var(--line); }
.faq summary { font-size:19px; }
@media (max-width:1000px) {
  .desktop-nav { display:none; }
  .mobile-nav { display:block; margin-left:auto; }
  .mobile-nav nav { position:absolute; left:0; right:0; top:104px; flex-direction:column; align-items:stretch; padding:20px; background:var(--paper); border-bottom:1px solid var(--line); }
  .route-grid { grid-template-columns:1fr; }
}
@media (max-width:680px) {
  .header-inner { gap:12px; }
  .brand img { width:160px; }
  .mobile-nav nav { top:84px; }
  .language-nav { gap:8px; font-size:12px; }
  .service-columns { grid-template-columns:1fr; gap:32px; }
  .service-hero { padding:35px 0 46px; }
  .route-grid .route { padding:25px; }
}
@media (max-width:420px) {
  .values { grid-template-columns:1fr; }
}
@media (max-width:380px) {
  .brand img { width:140px; }
  .header-inner { gap:10px; }
  .mobile-nav summary { white-space:nowrap; }
}