@import url("fonts.css");

/* ------------------------------------------------------------ tokens */
:root{
  --paper:#FAFBFC;--cloud:#F4F5F7;--white:#FFFFFF;
  --navy:#0A1628;--navy-2:#10223E;--steel:#2D4A7A;--teal:#00B4A0;--teal-ink:#00796B;
  --ink:#2C3038;--muted:#526174;--line:#E1E4E8;--line-strong:#C9D1DB;
  --on-dark:#E6ECF3;--on-dark-muted:#9FB0C6;--line-dark:rgba(255,255,255,.12);
  --radius:14px;--radius-sm:8px;
  --shadow-sm:0 1px 2px rgba(10,22,40,.06),0 1px 1px rgba(10,22,40,.04);
  --shadow:0 18px 40px -18px rgba(10,22,40,.25),0 2px 6px rgba(10,22,40,.05);
  --bg:var(--paper);--surface:var(--white);--heading:var(--navy);--header-bg:rgba(255,255,255,.92);--icon-bg:linear-gradient(180deg,#EAF8F6,#DDF2EF);
  --illus-filter:none;--illus-blend:normal;--footer-bg:#07101F;--panel-ring:transparent;--number:var(--steel);
  --gutter:48px;
  --header-h:76px;
  --sans:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}

/* ------------------------------------------------------------ base */
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.65 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,p,dl,dd{margin:0}
h1,h2,h3{color:var(--heading);font-family:'Suisse Intl',var(--sans);font-weight:500}
h1{font-size:clamp(42px,5.4vw,78px);line-height:1.04;letter-spacing:-.045em}
h2{font-size:clamp(30px,3.4vw,46px);line-height:1.14;letter-spacing:-.028em}
h3{font-size:22px;line-height:1.3;letter-spacing:-.01em}
a{color:inherit;text-underline-offset:5px}
img,svg{max-width:100%;display:block}
:focus-visible{outline:3px solid var(--teal);outline-offset:4px;border-radius:4px}
.wrap{max-width:1280px;margin:0 auto;padding-inline:var(--gutter)}
.mono,.eyebrow,.number{font-family:var(--mono)}
.eyebrow{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.skip{position:absolute;left:16px;top:-100px;background:var(--surface);padding:12px 16px;z-index:100;border-radius:var(--radius-sm)}
.skip:focus{top:12px}

/* ------------------------------------------------------------ buttons */
.btn{display:inline-flex;align-items:center;gap:10px;height:50px;padding:0 24px;border-radius:999px;font:500 15px/1 var(--sans);text-decoration:none;border:1px solid transparent;transition:background .2s,color .2s,border-color .2s,transform .2s;white-space:nowrap}
.btn span{transition:transform .2s}
.btn:hover span{transform:translateX(3px)}
.btn-primary{background:var(--teal);color:var(--navy)}
.btn-primary:hover{background:#19C9B4}
.btn-ghost{border-color:rgba(255,255,255,.35);color:var(--white)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.6)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ------------------------------------------------------------ header */
.site-header{position:fixed;inset:0 0 auto;z-index:50;height:calc(var(--header-h) + env(safe-area-inset-top,0px));padding-top:env(safe-area-inset-top,0px);color:var(--white);transition:background .25s,box-shadow .25s,color .25s}
.site-header .header-inner{height:100%;display:flex;align-items:center;gap:40px}
.logo{width:136px;line-height:0;flex:none}
.logo .l-ink{stroke:currentColor}.logo .l-fill{fill:currentColor}.logo .l-node{fill:var(--navy);stroke:currentColor}
.primary-nav{display:flex;gap:34px;font-size:14.5px;margin-left:auto}
.primary-nav a{text-decoration:none;opacity:.86;position:relative;padding:6px 0}
.primary-nav a:hover{opacity:1}
.primary-nav a:after{content:'';position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--teal);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.primary-nav a:hover:after,.primary-nav a[aria-current]:after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid currentColor;border-radius:999px;background:none;color:inherit;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;opacity:.9}
.menu-toggle span{display:block;width:16px;height:1.5px;background:currentColor;transition:transform .25s}
.site-header.is-solid{background:var(--header-bg);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);color:var(--heading);box-shadow:0 1px 0 var(--line)}
.site-header.is-solid .logo .l-node{fill:var(--bg)}

/* ------------------------------------------------------------ hero */
.hero{position:relative;background:var(--navy);color:var(--on-dark);min-height:min(92vh,880px);display:flex;align-items:center;padding:calc(var(--header-h) + 56px) 0 150px;overflow:hidden;isolation:isolate}
.hero-media{position:absolute;inset:0;z-index:-1;background:url(../img/hero-network.webp) 75% 50%/cover no-repeat}
.hero-media:before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,var(--navy) 0%,rgba(10,22,40,.85) 30%,rgba(10,22,40,.2) 60%,rgba(10,22,40,.35) 100%)}
.hero-media:after{content:'';position:absolute;inset:auto 0 0;height:180px;background:linear-gradient(to bottom,rgba(10,22,40,0),var(--navy))}
.hero-inner{width:100%}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center}
.hero-copy{min-width:0}

/* console mock */
.console{position:relative;background:linear-gradient(180deg,rgba(22,40,70,.86),rgba(12,26,48,.92));border:1px solid rgba(255,255,255,.12);border-radius:18px;box-shadow:0 40px 80px -30px rgba(0,0,0,.6),0 0 0 1px rgba(0,180,160,.06),inset 0 1px 0 rgba(255,255,255,.06);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);font-size:14px;color:var(--on-dark);overflow:hidden}
.console:before{content:'';position:absolute;inset:-1px -1px auto;height:1px;background:linear-gradient(90deg,transparent,rgba(0,180,160,.8),transparent)}
.console-bar{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line-dark)}
.console-title{display:flex;align-items:center;gap:10px;font-weight:500;color:var(--white)}
.console-title .muted{color:var(--on-dark-muted);font-weight:400}
.glyph{width:22px;height:22px;border-radius:6px;background:var(--navy) url(../img/favicon.svg) center/22px;box-shadow:0 0 0 1px rgba(255,255,255,.15)}
.pill{font:11px var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:4px 10px;border-radius:999px}
.pill-note{color:var(--on-dark-muted);border:1px solid var(--line-dark)}
.steps{list-style:none;margin:0;padding:10px 12px}
.steps li{display:grid;grid-template-columns:28px 1fr auto;gap:12px;align-items:center;padding:11px 10px;border-radius:10px;position:relative}
.steps li:not(:last-child):after{content:'';position:absolute;left:23px;top:36px;bottom:-12px;width:1.5px;background:rgba(255,255,255,.12)}
.steps li.done:not(:last-child):after{background:rgba(0,180,160,.55)}
.steps strong{display:block;font-weight:500;color:var(--white);line-height:1.35}
.steps div span{font-size:12.5px;color:var(--on-dark-muted)}
.steps em{font:normal 11.5px var(--mono);letter-spacing:.04em;color:var(--on-dark-muted)}
.st{width:18px;height:18px;border-radius:50%;margin-left:4px;border:1.5px solid rgba(255,255,255,.3);position:relative;z-index:1;background:var(--navy-2)}
.done .st{border-color:var(--teal);background:var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.2l2.6 2.6L13 6.4' fill='none' stroke='%230A1628' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat}
.done em{color:#5FD6C6}
.run{background:rgba(0,180,160,.08);box-shadow:inset 0 0 0 1px rgba(0,180,160,.25)}
.run .st{border-color:var(--teal);border-top-color:transparent;animation:spin 1.1s linear infinite}
.run em{color:var(--white)}
.wait{opacity:.6}
@keyframes spin{to{transform:rotate(360deg)}}
.evidence{margin:4px 12px 12px;border:1px solid var(--line-dark);border-radius:12px;background:rgba(7,16,31,.55);padding:6px 14px 10px}
.ev-head{display:flex;justify-content:space-between;font:11px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--on-dark-muted);padding:8px 0}
.ev-row{display:grid;grid-template-columns:54px 1fr auto;gap:10px;align-items:center;padding:7px 0;border-top:1px dashed rgba(255,255,255,.08);font-size:13px;animation:rowIn .6s both}
.ev-row:nth-child(3){animation-delay:.25s}.ev-row:nth-child(4){animation-delay:.5s}
.ev-row code{font:12px var(--mono);color:var(--on-dark-muted)}
.ev-row code.h{color:#5FD6C6}
@keyframes rowIn{from{opacity:0;transform:translateY(4px)}}
.hero-eyebrow{color:var(--on-dark-muted);display:flex;align-items:center;gap:10px;margin-bottom:30px}
.hero-eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(0,180,160,.2)}
.hero-eyebrow .sep{opacity:.5}
.hero h1{color:var(--white);font-size:clamp(40px,4.6vw,70px)}
.hero h1 span{color:var(--teal)}
.intro{font-size:19px;line-height:1.65;margin-top:28px;max-width:600px;color:var(--on-dark)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px}
.hero-note{display:flex;gap:16px;align-items:center;margin-top:44px;font-size:14px;color:var(--on-dark-muted)}
.hero-note:before{content:'';width:44px;height:2px;background:var(--teal)}

/* ------------------------------------------------------------ facts */
.facts{position:relative;z-index:2;margin-top:-84px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(3,1fr)}
.fact{padding:30px 32px}
.fact+.fact{border-left:1px solid var(--line)}
.fact-k{display:block;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--teal-ink);margin-bottom:10px}
.fact strong{display:block;font-size:20px;font-weight:500;color:var(--heading);letter-spacing:-.01em}
.fact>span:last-child{font-size:14px;color:var(--muted)}

/* ------------------------------------------------------------ sections */
section.chapter{padding:120px 0}
.chapter-alt{background:var(--cloud)}
.section-head{display:grid;grid-template-columns:1fr 2fr;gap:48px;margin-bottom:56px}
.section-head .eyebrow{padding-top:12px;color:var(--teal-ink)}
.lede{margin-top:22px;max-width:700px;font-size:18px;color:var(--muted)}
.number{font-size:13px;letter-spacing:.08em;color:var(--number);display:block;margin-bottom:22px}

.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.problem-grid h3{margin-bottom:12px}
.problem-grid p{color:var(--muted);font-size:16px}

/* icons */
.icon{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--icon-bg);color:var(--teal-ink);margin-bottom:22px;box-shadow:inset 0 0 0 1px rgba(0,121,107,.12)}
.icon svg{width:22px;height:22px}
.card .number{margin-bottom:10px}
.trust article{display:grid;grid-template-columns:44px 1fr;column-gap:20px}
.trust article .icon{grid-row:span 3;margin:0}
.trust article .number{margin-bottom:6px}

/* motion */
.js .reveal{transform:translateY(14px);transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{transform:none}
.problem-grid.reveal .card{transition:transform .25s,box-shadow .25s,border-color .25s}

/* illustration */
.illustration{margin:0 0 28px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface);box-shadow:var(--shadow-sm)}
.illustration img{width:100%;height:auto;filter:var(--illus-filter);mix-blend-mode:var(--illus-blend)}

/* approach */
.approach-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.architecture{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;box-shadow:var(--shadow)}
.diagram-label{font:12px var(--mono);color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:20px}
.institution{border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px;text-align:center}
.institution strong{display:block;color:var(--heading);font-weight:500}
.institution span{font-size:14px;color:var(--muted)}
.connector{height:48px;display:flex;align-items:center;justify-content:center;gap:16px;font:12px var(--mono);color:var(--muted)}
.connector:before,.connector:after{content:'';height:28px;width:1.5px;background:repeating-linear-gradient(180deg,var(--teal) 0 4px,transparent 4px 8px);background-size:1.5px 16px;animation:flow 1s linear infinite}
@keyframes flow{to{background-position:0 16px}}
.core{border:1px solid var(--steel);border-left:4px solid var(--teal);border-radius:var(--radius-sm);padding:22px 20px;background:var(--bg)}
.core h3{font-size:24px}
.core p{font-size:14px;margin-top:6px;color:var(--muted)}
.core-pills{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.core-pills span{font:12px var(--mono);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:5px 11px}
.vendors{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.vendors span{border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px 4px;text-align:center;font-size:14px;background:var(--surface);display:flex;align-items:center;justify-content:center;gap:8px}
.vendors span:before{content:'';width:6px;height:6px;border-radius:2px;background:var(--steel);opacity:.55}
.diagram-foot{margin-top:18px;font-size:13px;color:var(--muted)}

.trust{display:grid;gap:14px}
.trust article{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px 30px}
.trust h3{margin-bottom:10px}
.trust p{font-size:16px;color:var(--muted)}
.trust .number{color:var(--teal-ink);margin-bottom:14px}

.callout{margin-top:40px;border-left:3px solid var(--teal);background:var(--surface);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:22px 28px;font-size:16px}
.callout strong{color:var(--heading);font-weight:600}

/* company */
.deployment{box-shadow:0 0 0 1px var(--panel-ring);background:var(--navy);color:var(--on-dark);border-radius:var(--radius);overflow:hidden;display:grid;grid-template-columns:1fr 1.5fr;position:relative}
.deployment-media{position:relative;min-height:320px}
.deployment-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:62% 40%}
.deployment-media:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,22,40,0) 55%,var(--navy))}
.deployment-body{padding:56px}
.deployment .eyebrow{color:var(--on-dark-muted);margin-bottom:18px}
.deployment h3{font-size:clamp(26px,2.6vw,34px);color:var(--white);margin-bottom:18px;letter-spacing:-.02em}
.deployment p{max-width:620px}
.deployment dl{margin-top:36px;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-dark)}
.deployment dl div{padding:20px 24px 0 0}
.deployment dl div+div{padding-left:24px;border-left:1px solid var(--line-dark)}
.deployment dt{font:12px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--on-dark-muted);margin-bottom:6px}
.deployment dd{color:var(--white);font-size:18px}
.small-note{font-size:13px!important;color:var(--on-dark-muted);margin-top:32px}

/* working with */
.people{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.audience{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:0 38px 40px;overflow:hidden}
.audience-art{filter:var(--illus-filter);mix-blend-mode:var(--illus-blend);width:calc(100% + 76px);max-width:none;height:auto;margin:0 -38px 30px;border-bottom:1px solid var(--line)}
.audience .eyebrow{color:var(--teal-ink);margin-bottom:12px}
.audience h3{font-size:28px;margin-bottom:6px;letter-spacing:-.02em}
.audience p:not(.eyebrow){margin-top:16px;color:var(--muted);font-size:16.5px}

/* contact */
.contact{background:var(--navy);color:var(--on-dark);padding:120px 0}
.contact-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center}
.contact .eyebrow{color:var(--teal)}
.contact h2{color:var(--white);font-size:clamp(36px,4.4vw,60px);margin-top:14px}
.contact .lede{color:var(--on-dark-muted)}
.contact-card{background:var(--navy-2);border:1px solid var(--line-dark);border-radius:var(--radius);padding:40px}
.contact-card h3{color:var(--white);font-size:24px}
.contact-card p{margin-top:12px;color:var(--on-dark-muted);font-size:16px}
.checklist{list-style:none;padding:0;margin:26px 0 30px;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.checklist li{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--on-dark)}
.checklist li:before{content:'';width:18px;height:18px;border-radius:50%;flex:none;background:rgba(0,180,160,.16) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.2l2.6 2.6L13 6.4' fill='none' stroke='%2300B4A0' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/18px no-repeat}

/* footer */
.site-footer{background:var(--footer-bg);color:var(--on-dark-muted);font-size:14px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;padding-top:64px;padding-bottom:48px}
.footer-brand img{width:140px;height:auto;margin-bottom:16px}
.footer-brand p{max-width:320px}
.site-footer .eyebrow{color:var(--on-dark);margin-bottom:14px;font-size:11.5px}
.footer-nav{display:flex;flex-direction:column;gap:8px}
.footer-nav a{text-decoration:none}.footer-nav a:hover{color:var(--white)}
.footer-meta p+p{margin-top:6px}
.footer-base{display:flex;justify-content:space-between;gap:20px;padding-top:22px;padding-bottom:calc(30px + env(safe-area-inset-bottom,0px));background:linear-gradient(var(--line-dark),var(--line-dark)) top center/calc(100% - 2 * var(--gutter)) 1px no-repeat;font-size:13px}

/* ------------------------------------------------------------ careers */
.hero-sub{min-height:0;padding:calc(var(--header-h) + 72px) 0 96px}
.hero-media-careers{background:radial-gradient(70% 90% at 85% 10%,rgba(45,74,122,.75),transparent 70%),radial-gradient(50% 60% at 10% 110%,rgba(0,180,160,.16),transparent 70%)}
.hero-media-careers:before{display:none}
.careers-hero{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.careers-hero h1{font-size:clamp(38px,4.2vw,62px)}
.offices-map{margin:0}
.offices-map img{width:100%;height:auto}
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.principles article{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.principles h3{margin-bottom:10px}
.principles p{color:var(--muted);font-size:16px}
.count{display:inline-block;margin-left:8px;padding:2px 8px;border-radius:999px;background:var(--surface);border:1px solid var(--line);color:var(--heading);letter-spacing:.04em}
.role-list{display:grid;gap:14px}
.role-card{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px 32px;text-decoration:none;transition:border-color .2s,box-shadow .2s,transform .2s}
.role-card:hover{border-color:var(--teal);box-shadow:var(--shadow);transform:translateY(-2px)}
.role-card h3{font-size:26px;letter-spacing:-.02em}
.role-sub{color:var(--teal-ink);font:13px var(--mono);letter-spacing:.06em;text-transform:uppercase;margin-top:6px}
.role-lede{color:var(--muted);margin-top:14px;max-width:62ch;font-size:16px}
.role-side{display:grid;justify-items:end;gap:18px}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}
.chip{font-size:13px;padding:5px 12px;border-radius:999px;border:1px solid var(--line-strong);color:var(--ink);white-space:nowrap}
.role-go{font-weight:500;color:var(--heading);display:inline-flex;gap:8px}
.role-card:hover .role-go span{transform:translateX(3px)}
.role-go span{transition:transform .2s}
.empty{color:var(--muted)}

.hero-role h1{font-size:clamp(40px,4.8vw,68px)}
.hero-role .hero-eyebrow a{color:var(--on-dark-muted);text-decoration:none}
.hero-role .hero-eyebrow a:hover{color:var(--white)}
.role-loc{margin-top:26px;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--teal)}
.role-body{padding-top:72px}
.role-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:72px;align-items:start}
.prose{max-width:68ch;font-size:17.5px}
.prose h2{font-size:clamp(24px,2.4vw,30px);margin:56px 0 16px;scroll-margin-top:calc(var(--header-h) + 24px)}
.prose h2:first-child{margin-top:0}
.prose h3{margin:32px 0 10px}
.prose p{margin:0 0 16px}
.prose p:has(> strong:only-child),.prose p:has(> em:only-child){font-size:21px;color:var(--heading);letter-spacing:-.01em;line-height:1.45}
.prose ul{margin:8px 0 20px;padding:0;list-style:none;display:grid;gap:12px}
.prose li{position:relative;padding-left:28px}
.prose li:before{content:'';position:absolute;left:4px;top:.72em;width:10px;height:2px;background:var(--teal)}
.prose strong{color:var(--heading);font-weight:600}
.prose code{font:.9em var(--mono);background:var(--cloud);padding:1px 6px;border-radius:4px}
.role-aside{position:sticky;top:calc(var(--header-h) + 24px);display:grid;gap:24px}
.aside-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm)}
.aside-card .eyebrow{color:var(--teal-ink);margin-bottom:14px}
.aside-card dl{margin:0 0 22px;display:grid;gap:12px}
.aside-card dt{font:12px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.aside-card dd{color:var(--heading);font-size:15px}
.aside-card .btn{width:100%;justify-content:center}
.apply-note{font-size:13px;color:var(--muted);margin-top:14px}
.apply-mail{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:6px;padding:8px 8px 8px 14px;border:1px solid var(--line-strong);border-radius:10px;background:var(--bg)}
.apply-mail .mono{font-size:14px;color:var(--heading);user-select:all;overflow-wrap:anywhere}
.copy-btn{font:500 13px var(--sans);color:var(--heading);background:var(--surface);border:1px solid var(--line-strong);border-radius:8px;padding:6px 12px;cursor:pointer}
.copy-btn:hover{border-color:var(--teal)}
.copy-btn.is-done{color:var(--teal-ink);border-color:var(--teal)}
.apply-end{margin-top:56px;padding:32px;border:1px solid var(--line);border-top:3px solid var(--teal);border-radius:var(--radius);background:var(--surface);max-width:520px}
.apply-end h2{margin:0 0 18px!important}
.apply-band{margin-top:28px;display:grid;grid-template-columns:1fr minmax(260px,360px);gap:32px;align-items:center;padding:28px 32px;border-radius:var(--radius);background:var(--navy);color:var(--on-dark)}
.apply-band h3{color:var(--white);margin-bottom:6px}
.apply-band p{color:var(--on-dark-muted);font-size:16px}
.apply-band a{color:var(--white)}
.apply-band .apply-mail{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.18)}
.apply-band .apply-mail .mono{color:var(--white)}
.apply-band .copy-btn{background:transparent;color:var(--white);border-color:rgba(255,255,255,.3)}
.aside-toc ol{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:2px;border-left:1px solid var(--line)}
.aside-toc a{display:block;padding:6px 0 6px 16px;margin-left:-1px;border-left:2px solid transparent;text-decoration:none;color:var(--muted);font-size:14.5px}
.aside-toc a:hover,.aside-toc a[aria-current=true]{color:var(--heading);border-left-color:var(--teal)}

/* ------------------------------------------------------------ digital business card (/lihan) */
.page-contact{background:var(--bg);min-height:100vh}
.vcard-page{max-width:460px;margin:0 auto;padding:calc(env(safe-area-inset-top,0px) + 20px) 16px calc(env(safe-area-inset-bottom,0px) + 32px);display:grid;gap:14px}
.vcard{background:var(--navy);color:var(--on-dark);border-radius:20px;padding:26px 24px 24px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.vcard:after{content:'';position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--teal)}
.vcard-logo{display:block;width:112px;color:var(--white);margin-bottom:34px}
.vcard-logo .l-node{fill:var(--navy)}
.vcard h1{color:var(--white);font-size:28px;line-height:1.15;letter-spacing:-.02em}
.vcard h1 .alt{color:var(--on-dark-muted);font-weight:400}
.vcard-title{font:500 12.5px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:#5FD6C6;margin-top:10px}
.vcard-org{font:400 12.5px var(--mono);color:var(--on-dark-muted);margin-top:4px}
.vcard-save{margin-top:24px;width:100%;justify-content:center;height:52px;font-size:16px}
.vcard-save svg{width:18px;height:18px}
.vcard-actions{list-style:none;margin:0;padding:0;background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.vcard-actions li+li{border-top:1px solid var(--line)}
.vcard-actions a,.vcard-office{display:grid;grid-template-columns:40px 1fr auto;gap:14px;align-items:center;padding:14px 16px;text-decoration:none;color:var(--heading)}
.vcard-actions a:active,.vcard-office:active{background:var(--cloud)}
.vcard-page .ic{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--icon-bg);color:var(--teal-ink)}
.vcard-page .ic svg{width:20px;height:20px}
.vcard-page .t{font-size:16px;line-height:1.35;min-width:0;overflow-wrap:anywhere}
.vcard-page .t small{display:block;font:500 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:2px}
.vcard-page .go{color:var(--muted)}
.vcard-office{background:var(--surface);border:1px solid var(--line);border-radius:16px}
.vcard-foot{text-align:center;font-size:13px;color:var(--muted);margin-top:8px}
.vcard-foot a{color:var(--heading)}

/* ------------------------------------------------------------ dark mode */
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#08111F;--cloud:#0B1628;--surface:#0F1C31;--heading:#F1F4F8;--ink:#C6D0DC;--muted:#8D9DB2;
    --line:rgba(255,255,255,.09);--line-strong:rgba(255,255,255,.18);--teal-ink:#45D3C1;
    --header-bg:rgba(8,17,31,.86);--icon-bg:linear-gradient(180deg,rgba(0,180,160,.18),rgba(0,180,160,.10));
    --shadow-sm:0 1px 2px rgba(0,0,0,.3);--shadow:0 24px 48px -24px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.02);
    color-scheme:dark;
    --illus-filter:invert(.94) hue-rotate(180deg) saturate(1.2);--illus-blend:screen;--footer-bg:#050B16;--panel-ring:var(--line);--number:var(--muted);
  }
}
:root[data-theme="dark"]{
    --bg:#08111F;--cloud:#0B1628;--surface:#0F1C31;--heading:#F1F4F8;--ink:#C6D0DC;--muted:#8D9DB2;
    --line:rgba(255,255,255,.09);--line-strong:rgba(255,255,255,.18);--teal-ink:#45D3C1;
    --header-bg:rgba(8,17,31,.86);--icon-bg:linear-gradient(180deg,rgba(0,180,160,.18),rgba(0,180,160,.10));
    --shadow-sm:0 1px 2px rgba(0,0,0,.3);--shadow:0 24px 48px -24px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.02);
    color-scheme:dark;
    --illus-filter:invert(.94) hue-rotate(180deg) saturate(1.2);--illus-blend:screen;--footer-bg:#050B16;--panel-ring:var(--line);--number:var(--muted);
}

/* ------------------------------------------------------------ responsive */
@media(min-width:1500px){.wrap{max-width:1380px}}
@media(max-width:1024px){
  :root{--gutter:32px}
  .primary-nav{gap:22px}
  .approach-grid{grid-template-columns:1fr;gap:32px}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .careers-hero{grid-template-columns:1fr;gap:24px}
  .offices-map{max-width:620px}
  .role-layout{grid-template-columns:1fr;gap:40px}
  .role-aside{position:static;order:-1}
  .aside-toc{display:none}
  .console{max-width:620px}
  .contact-inner{grid-template-columns:1fr;gap:40px}
  .section-head{grid-template-columns:1fr;gap:14px}
  .section-head .eyebrow{padding-top:0}
}
@media(max-width:860px){
  :root{--header-h:66px}
  .menu-toggle{display:inline-flex}
  .header-actions .btn{display:none}
  .primary-nav{position:fixed;inset:var(--header-h) 0 auto;flex-direction:column;gap:0;margin:0;padding:8px 24px 24px;background:var(--surface);color:var(--heading);box-shadow:0 20px 30px -20px rgba(10,22,40,.35);transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s}
  .primary-nav a{padding:16px 0;border-bottom:1px solid var(--line);font-size:17px;opacity:1}
  .primary-nav a:after{display:none}
  .site-header{--open:0}
  .site-header.menu-open{background:var(--surface);color:var(--heading)}
  .site-header.menu-open .logo .l-node{fill:var(--bg)}
  .site-header.menu-open .primary-nav{opacity:1;visibility:visible;transform:none}
  .site-header.menu-open .menu-toggle span:first-child{transform:translateY(3.25px) rotate(45deg)}
  .site-header.menu-open .menu-toggle span:last-child{transform:translateY(-3.25px) rotate(-45deg)}
  .header-actions{margin-left:auto}
  .problem-grid,.people,.principles{grid-template-columns:1fr}
  .role-card{grid-template-columns:1fr;gap:18px}
  .apply-band{grid-template-columns:1fr;gap:18px}
  .role-side{justify-items:start}
  .chips{justify-content:flex-start}
  .facts{grid-template-columns:1fr}
  .fact+.fact{border-left:0;border-top:1px solid var(--line)}
  .deployment{grid-template-columns:1fr}
  .deployment-media{min-height:220px}
  .deployment-media:after{background:linear-gradient(180deg,rgba(10,22,40,0) 50%,var(--navy))}
  .deployment dl{grid-template-columns:1fr}
  .deployment dl div,.deployment dl div+div{padding:16px 0;border-left:0;border-bottom:1px solid var(--line-dark)}
  .footer-inner{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:560px){
  h2 br{display:none}
  .console{font-size:13px}
  .console-title .muted,.ev-head span:last-child,.steps div span{display:none}
  .steps li{padding:9px 8px;grid-template-columns:26px 1fr auto}
  .steps li:not(:last-child):after{top:30px}
  .illustration{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .illustration img{min-width:760px}
  .trust article{display:block}
  .trust article .icon{margin-bottom:16px}
  .vendors{grid-template-columns:1fr 1fr}
  body{font-size:16px}
  :root{--gutter:20px}
  .logo{width:116px}
  .hero{padding:calc(var(--header-h) + 40px) 0 120px;min-height:0}
  .hero-media{background:radial-gradient(90% 50% at 100% 20%,rgba(45,74,122,.7),transparent 70%),radial-gradient(60% 40% at 0% 100%,rgba(0,180,160,.14),transparent 70%)}
  .hero-eyebrow{flex-wrap:wrap;font-size:11px}
  .intro{font-size:17px}
  .hero-cta .btn{width:100%;justify-content:center}
  section.chapter,.contact{padding:72px 0}
  .hero-sub{padding:calc(var(--header-h) + 40px) 0 64px}
  .role-card{padding:24px 22px}
  .prose{font-size:16.5px}
  .apply-end,.apply-band{padding:24px 20px}
  .card,.trust article{padding:26px 22px}
  .audience{padding:0 22px 26px}
  .audience-art{width:calc(100% + 44px);margin:0 -22px 24px}
  .architecture{padding:22px 16px}
  .deployment-body,.contact-card{padding:30px 22px}
  .checklist{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:36px;padding-top:48px;padding-bottom:36px}
  .footer-base{flex-direction:column;gap:4px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
@media print{.site-header,.skip,.hero-cta,.menu-toggle{display:none}.hero{min-height:0;padding:30px 0;background:none;color:var(--ink)}.hero-media{display:none}.hero h1{color:var(--navy)}.facts{margin-top:0;box-shadow:none}section.chapter{padding:30px 0}}