/* LUMMARK — corporate website v1.0
   Provisional tokens derived from the final Kelman proposal (v1.2) and approved
   identity boards. Not canonical brand tokens until Brand System v0.2. */
:root{
  --orange:#FF6A00;
  --black:#0B0B0B;
  --graphite:#1F1F1F;
  --stone:#6B6B6B;
  --ivory:#F7F5F2;
  --line-light:#E7E4DF;
  --line-dark:#2A2A2A;
  --white:#FFFFFF;
  --text-dark-muted:#A3A3A3;

  --font-display:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;

  --wrap:1200px;
  --gutter:clamp(20px,5vw,48px);
  --section:clamp(88px,12vw,160px);
  --radius:4px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--black);color:var(--black);font-family:var(--font-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--font-display);margin:0;letter-spacing:-.02em;line-height:1.08;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;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}
.skip{position:absolute;left:16px;top:-60px;z-index:100;background:var(--orange);color:var(--black);padding:10px 16px;font-weight:600;text-decoration:none;border-radius:var(--radius)}
.skip:focus{top:12px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.dark{background:var(--black);color:var(--white)}
.light{background:var(--ivory);color:var(--black)}
.section{padding:var(--section) 0;position:relative;scroll-margin-top:72px}

.eyebrow{font-family:var(--font-body);font-size:12px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--orange);margin-bottom:28px}
.label{font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--stone);margin-bottom:14px}
.dark .label{color:var(--text-dark-muted)}
.label.accent,.accent{color:var(--orange)!important}
h2{font-size:clamp(36px,5.2vw,64px)}
h2.narrow{max-width:820px}
.lead{font-size:clamp(18px,1.6vw,21px);line-height:1.55;max-width:640px}
.dark .lead{color:#D6D6D6}
.muted{color:var(--stone)}
.dark .muted{color:var(--text-dark-muted)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-body);font-weight:600;font-size:15px;text-decoration:none;padding:15px 24px;border-radius:var(--radius);border:1px solid transparent;transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);min-height:48px}
.btn-primary{background:var(--orange);color:var(--black)}
.btn-primary:hover{background:#FF8126;transform:translateY(-1px)}
.btn-ghost{border-color:#3A3A3A;color:var(--white)}
.btn-ghost:hover{border-color:var(--white)}
.btn-sm{padding:10px 16px;font-size:14px;min-height:40px}
.btn-lg{padding:18px 30px;font-size:16px}
.btn span[aria-hidden]{transition:transform .25s var(--ease)}
.btn:hover span[aria-hidden]{transform:translateX(3px)}

/* Header */
.site-header{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .3s var(--ease),border-color .3s var(--ease);border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(11,11,11,.86);backdrop-filter:saturate(140%) blur(14px);-webkit-backdrop-filter:saturate(140%) blur(14px);border-bottom-color:#1C1C1C}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand img{height:24px;width:auto}
.nav{display:flex;align-items:center;gap:32px}
.nav a:not(.btn){color:#CFCFCF;text-decoration:none;font-size:14px;font-weight:500;transition:color .2s}
.nav a:not(.btn):hover{color:var(--white)}
.menu-toggle{display:none;background:none;border:0;padding:12px;margin-right:-12px;cursor:pointer}
.menu-toggle .bar{display:block;width:22px;height:2px;background:var(--white);transition:transform .3s var(--ease)}
.menu-toggle .bar+.bar{margin-top:6px}
.menu-toggle[aria-expanded="true"] .bar:nth-child(2){transform:translateY(4px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] .bar:nth-child(3){transform:translateY(-4px) rotate(-45deg)}

/* Hero */
.hero{position:relative;overflow:hidden;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:140px 0 56px}
.hero>.wrap{width:100%}
.hero-inner{position:relative;z-index:2}
.hero h1{font-size:clamp(48px,8.4vw,112px);font-weight:800;letter-spacing:-.035em;line-height:.98;margin-bottom:32px}
.hero .lead{margin-bottom:40px}
.cta-row{display:flex;flex-wrap:wrap;gap:14px}
.audience{margin-top:32px;font-size:14px;color:var(--text-dark-muted)}
.hero-art{position:absolute;inset:0;z-index:1;pointer-events:none}
.hero-art .arc{position:absolute;width:min(1100px,120vw);right:-34%;top:50%;transform:translateY(-50%);opacity:.9}
.hero-art .ring{position:absolute;width:min(1000px,110vw);right:-30%;top:50%;transform:translateY(-50%);opacity:.55}
.hero-art .mark-big{position:absolute;width:min(520px,55vw);right:5%;bottom:22%;opacity:.14}
.pillars{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);margin-top:88px;border-top:1px solid var(--line-dark)}
.pillars li{padding:22px 24px 0 0;font-size:14px;color:var(--text-dark-muted);display:flex;flex-direction:column;gap:2px}
.pillar-k{font-family:var(--font-display);font-weight:700;color:var(--white);font-size:16px}

/* Vision */
.split{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:start}
.prose p{font-size:19px;line-height:1.6;color:#2B2B2B}
.prose p+p{margin-top:20px}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:88px}
.compare-col{background:var(--white);border:1px solid var(--line-light);padding:40px;border-radius:var(--radius)}
.compare-col h3{font-size:24px;margin-bottom:28px}
.compare-col li{padding:14px 0;border-top:1px solid var(--line-light);font-size:16px;color:#3A3A3A}
.compare-col.is-accent{background:var(--black);border-color:var(--black);color:var(--white)}
.compare-col.is-accent .label{color:var(--orange)}
.compare-col.is-accent li{border-top-color:var(--line-dark);color:#E2E2E2;padding-left:22px;position:relative}
.compare-col.is-accent li::before{content:"";position:absolute;left:0;top:23px;width:12px;height:2px;background:var(--orange)}
.principle{margin-top:96px;display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:end;padding-top:48px;border-top:2px solid var(--black)}
.principle-quote{font-family:var(--font-display);font-weight:800;font-size:clamp(40px,5.6vw,72px);letter-spacing:-.035em;line-height:1}
.principle-text{font-size:18px;color:#3A3A3A}
.not-list{margin-top:64px;font-size:15px;color:var(--stone);max-width:760px}
.not-list strong{color:var(--black)}

/* Systems */
.engine{margin-top:72px;border:1px solid var(--line-dark);border-radius:var(--radius);background:linear-gradient(180deg,#111 0%,var(--black) 100%)}
.engine-head{display:flex;gap:28px;align-items:flex-start;padding:48px 48px 40px;border-bottom:1px solid var(--line-dark)}
.engine-mark{width:64px;flex:0 0 auto;margin-top:10px}
.engine-name{font-size:clamp(28px,3.4vw,42px);margin-bottom:14px}
.engine-desc{color:#CFCFCF;font-size:18px;max-width:680px}
.steps{display:grid;grid-template-columns:repeat(3,1fr)}
.steps li{padding:36px 40px 44px;border-right:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);transition:background .3s var(--ease)}
.steps li:nth-child(3n){border-right:0}
.steps li:nth-last-child(-n+3){border-bottom:0}
.steps li:hover{background:#141414}
.steps .n{display:block;font-family:var(--font-display);font-weight:700;color:var(--orange);font-size:14px;margin-bottom:22px}
.steps h4{font-size:20px;margin-bottom:10px;letter-spacing:-.01em}
.steps p{color:var(--text-dark-muted);font-size:15px}

.bo{display:grid;grid-template-columns:1fr 1.05fr;gap:64px;margin-top:120px;align-items:center}
.bo-lead{font-family:var(--font-display);font-weight:700;font-size:clamp(26px,2.8vw,34px);line-height:1.15;letter-spacing:-.02em;margin-bottom:22px}
.bo-text p+p{margin-top:16px}
.bo-text p:not(.bo-lead):not(.label){font-size:17px;color:#D6D6D6}
.bo-text p.muted{color:var(--text-dark-muted);font-size:15px}
.bo-card{margin:0;background:var(--white);color:var(--black);border-radius:6px;padding:32px;box-shadow:0 30px 80px rgba(0,0,0,.45)}
.bo-card figcaption{font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--stone);margin-bottom:20px}
.bo-card dl{margin:0}
.bo-card dl div{padding:14px 0;border-bottom:1px solid var(--line-light)}
.bo-card dt{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:4px}
.bo-card dd{margin:0;font-size:15px;color:#3A3A3A}
.bo-next{margin-top:18px;background:var(--orange);color:var(--black);border-radius:4px;padding:16px 18px;font-size:15px}
.bo-next span{display:block;font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:4px}

.lines{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:120px}
.line{border-top:1px solid #3A3A3A;padding-top:28px}
.line h3{font-size:24px;margin-bottom:12px}
.line p:not(.tag){color:var(--text-dark-muted);font-size:16px;max-width:460px}
.tag{display:inline-block;font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--text-dark-muted);border:1px solid #3A3A3A;border-radius:100px;padding:5px 12px;margin-bottom:18px}

/* How we work */
.flow{display:grid;grid-template-columns:repeat(6,1fr);margin-top:72px;counter-reset:f}
.flow li{position:relative;padding:22px 16px 22px 0;border-top:2px solid var(--black);font-family:var(--font-display);font-weight:700;font-size:clamp(17px,1.6vw,21px);counter-increment:f}
.flow li::before{content:"0" counter(f);display:block;font-size:12px;color:var(--orange);margin-bottom:14px;font-family:var(--font-body);font-weight:600}
.flow-en{position:absolute;top:22px;right:16px;font-family:var(--font-body);font-size:10px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--stone)}
.roles{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:88px}
.role{background:var(--white);border:1px solid var(--line-light);padding:40px;border-radius:var(--radius)}
.role li{padding:13px 0 13px 24px;border-top:1px solid var(--line-light);position:relative;font-size:16px;color:#2B2B2B}
.role li::before{content:"";position:absolute;left:0;top:25px;width:12px;height:2px;background:var(--stone)}
.role:first-child li::before{background:var(--orange)}
.loop{margin-top:24px;background:var(--black);color:var(--white);border-radius:var(--radius);padding:22px 28px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 18px;font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase}
.loop .arr{color:var(--orange);font-size:16px;letter-spacing:0}
.note{margin-top:24px;font-size:17px;color:#3A3A3A;max-width:720px}
.pilot{margin-top:120px;display:grid;grid-template-columns:1fr 1.3fr;gap:64px;padding-top:56px;border-top:2px solid var(--black)}
.pilot h3{font-size:clamp(30px,3.6vw,44px);margin-bottom:18px}
.pilot-intro p:not(.label){color:#3A3A3A}
.phases{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.phases li{border-top:1px solid var(--orange);padding-top:20px;display:flex;flex-direction:column;gap:6px;font-size:15px;color:#3A3A3A}
.phases .ph{font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--orange)}
.phases strong{font-family:var(--font-display);font-size:19px;color:var(--black);letter-spacing:-.01em}

/* Contact */
.contact{overflow:hidden}
.contact-art{position:absolute;width:min(900px,110vw);left:62%;top:-35%;opacity:.55;pointer-events:none}
.contact-inner{position:relative;z-index:2}
.contact h2{font-size:clamp(40px,6.4vw,84px);font-weight:800;letter-spacing:-.035em;max-width:900px;margin-bottom:28px}
.contact .lead{margin-bottom:44px}
.small{margin-top:18px;font-size:13px;color:var(--text-dark-muted)}

/* Footer */
.site-footer{background:var(--black);color:var(--text-dark-muted);border-top:1px solid #1C1C1C;padding:64px 0 40px}
.footer-inner{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.footer-brand img{height:22px;width:auto;margin-bottom:14px}
.footer-brand p{font-size:14px}
.footer-nav{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:flex-start}
.footer-nav a{text-decoration:none;font-size:14px;color:#CFCFCF}
.footer-nav a:hover{color:var(--white)}
.footer-legal{margin-top:56px;padding-top:24px;border-top:1px solid #1C1C1C;font-size:12px;display:flex;flex-direction:column;gap:6px}

/* Reveal */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}}

/* Responsive */
@media (max-width:980px){
  .split,.principle,.bo,.pilot{grid-template-columns:1fr;gap:32px}
  .steps{grid-template-columns:1fr 1fr}
  .steps li:nth-child(3n){border-right:1px solid var(--line-dark)}
  .steps li:nth-child(2n){border-right:0}
  .steps li:nth-last-child(-n+3){border-bottom:1px solid var(--line-dark)}
  .steps li:nth-last-child(-n+2){border-bottom:0}
  .flow{grid-template-columns:repeat(3,1fr)}
  .bo{margin-top:88px}
}
@media (max-width:860px){
  .menu-toggle{display:block}
  .nav{position:fixed;inset:72px 0 auto 0;background:var(--black);flex-direction:column;align-items:stretch;gap:0;padding:8px var(--gutter) 28px;border-bottom:1px solid #1C1C1C;transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s}
  .nav.open{opacity:1;transform:none;visibility:visible}
  .nav a:not(.btn){padding:16px 0;border-bottom:1px solid #1C1C1C;font-size:17px}
  .nav-cta{margin-top:20px;justify-content:center}
  .site-header.menu-open{background:var(--black)}
}
@media (max-width:640px){
  body{font-size:16px}
  .hero{padding:120px 0 40px}
  .hero-art .arc{right:-70%;top:30%;width:160vw}
  .hero-art .ring{right:-65%;top:30%;width:150vw}
  .hero-art .mark-big{width:70vw;right:-10%;bottom:22%;opacity:.12}
  .pillars{grid-template-columns:1fr;margin-top:56px}
  .pillars li{padding:16px 0;border-bottom:1px solid var(--line-dark);flex-direction:row;gap:8px;align-items:baseline;flex-wrap:wrap}
  .cta-row .btn{width:100%;justify-content:center}
  .compare,.roles,.lines{grid-template-columns:1fr}
  .compare-col,.role{padding:28px 24px}
  .engine-head{flex-direction:column;padding:32px 24px;gap:20px}
  .engine-mark{width:48px;margin-top:0}
  .steps{grid-template-columns:1fr}
  .steps li{padding:28px 24px;border-right:0!important;border-bottom:1px solid var(--line-dark)!important}
  .steps li:last-child{border-bottom:0!important}
  .bo-card{padding:24px}
  .flow{grid-template-columns:1fr 1fr}
  .phases{grid-template-columns:1fr}
  .loop{font-size:11px}
  .contact-art{top:-28%;left:40%;width:140vw;opacity:.35}
}