/* ==========================================================================
   SUSTnex — "The Nexus" design system
   ========================================================================== */

:root{
  /* color */
  --ink:#0b1220;
  --ink-soft:#141d30;
  --paper:#f6f4ef;
  --paper-dim:#eeeadf;
  --copper:#c87f3b;
  --copper-light:#e2a565;
  --teal:#0e7c7b;
  --teal-light:#3aa6a1;
  --slate:#5b6472;
  --slate-light:#8f97a3;
  --line-on-paper:#dcd6c8;
  --line-on-ink:rgba(246,244,239,.14);
  --white:#ffffff;

  /* type */
  --f-display:'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --f-serif:'Fraunces', Georgia, serif;
  --f-mono:'JetBrains Mono', 'SFMono-Regular', Menlo, monospace;
  --f-body:'Inter', 'Helvetica Neue', Arial, sans-serif;

  /* spacing */
  --gutter: clamp(20px, 5vw, 64px);
  --section-y: clamp(72px, 12vw, 160px);
  --radius: 2px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--f-display); margin:0; letter-spacing:-0.01em; }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }

.wrap{
  max-width:1320px;
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}
.section{ padding-top:var(--section-y); padding-bottom:var(--section-y); }
.section--tight{ padding-top:calc(var(--section-y) * .55); padding-bottom:calc(var(--section-y) * .55); }
.section--ink{ background:var(--ink); color:var(--paper); }
.section--ink .slate{ color:var(--slate-light); }
.section--paper-dim{ background:var(--paper-dim); }

/* kicker / monospace labels */
.kicker{
  font-family:var(--f-mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--copper);
  display:flex;
  align-items:center;
  gap:10px;
}
.kicker::before{
  content:"";
  width:22px; height:1px;
  background:var(--copper);
  display:inline-block;
}
.section--ink .kicker{ color:var(--copper-light); }

.slate{ color:var(--slate); }
.mono{ font-family:var(--f-mono); }
.serif{ font-family:var(--f-serif); font-weight:500; }

/* headline scale */
.h-xl{ font-size:clamp(2.4rem, 6vw, 5.6rem); line-height:0.98; font-weight:600; }
.h-lg{ font-size:clamp(2rem, 4vw, 3.4rem); line-height:1.04; font-weight:600; }
.h-md{ font-size:clamp(1.5rem, 2.6vw, 2.1rem); line-height:1.12; font-weight:600; }
.h-sm{ font-size:1.05rem; font-weight:600; letter-spacing:-.005em; }
.lede{ font-family:var(--f-serif); font-weight:400; font-size:clamp(1.15rem, 1.6vw, 1.5rem); line-height:1.5; color:var(--ink); }
.section--ink .lede{ color:#dcdfe6; }
.body-l{ font-size:1.08rem; line-height:1.7; color:var(--slate); }

/* buttons */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:14px 26px;
  font-family:var(--f-mono);
  font-size:13px; letter-spacing:.06em; text-transform:uppercase;
  border-radius:var(--radius);
  border:1px solid transparent;
  transition:all .25s ease;
  white-space:nowrap;
}
.btn-primary{ background:var(--copper); color:var(--ink); }
.btn-primary:hover{ background:var(--copper-light); transform:translateY(-1px); }
.btn-ghost{ border-color:currentColor; color:inherit; }
.btn-ghost:hover{ background:rgba(255,255,255,.06); }
.section:not(.section--ink) .btn-ghost:hover{ background:rgba(11,18,32,.05); }
.btn-arrow{ transition:transform .25s ease; }
.btn:hover .btn-arrow{ transform:translateX(3px); }

.cta-row{ display:flex; gap:16px; flex-wrap:wrap; align-items:center; }

/* ==== nav ==== */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:18px var(--gutter);
  background:rgba(11,18,32,.0);
  backdrop-filter:blur(0px);
  transition:background .35s ease, backdrop-filter .35s ease, padding .35s ease, border-color .35s ease;
  border-bottom:1px solid transparent;
}
.nav.is-scrolled{
  background:rgba(11,18,32,.86);
  backdrop-filter:blur(10px);
  padding:12px var(--gutter);
  border-bottom-color:var(--line-on-ink);
}
.nav-logo{
  font-family:var(--f-display); font-weight:700; font-size:19px; color:var(--paper);
  display:flex; align-items:center; gap:9px;
}
.nav-logo .dot{ color:var(--copper); }
.logo-icon{ width:41px; height:21px; display:block; flex-shrink:0; }
.footer-brand .nav-logo .logo-icon{ width:47px; height:24px; }
.logo-full{ width:105px; height:28px; display:block; flex-shrink:0; }
.footer-brand .nav-logo .logo-full{ width:120px; height:32px; }
.nav-links{ display:flex; gap:34px; align-items:center; }
.nav-links a{
  color:#cfd4dd; font-size:14px; font-family:var(--f-mono); letter-spacing:.03em;
  padding:6px 0; border-bottom:1px solid transparent; transition:all .2s ease;
}
.nav-links a:hover, .nav-links a.active{ color:var(--paper); border-color:var(--copper); }
.nav-tag{
  font-size:12px; font-family:var(--f-mono); color:var(--teal-light);
  border:1px solid rgba(58,166,161,.4); padding:6px 12px; border-radius:20px;
}
.nav-right{ display:flex; align-items:center; gap:18px; }

/* language dropdown (desktop nav) */
.lang-dropdown{ position:relative; }
.lang-dropdown-btn{
  display:flex; align-items:center; gap:5px;
  font-family:var(--f-mono); font-size:12px; letter-spacing:.03em; color:var(--slate-light);
  background:none; border:1px solid var(--line-on-ink); padding:6px 11px; border-radius:20px;
  cursor:pointer; transition:color .2s ease, border-color .2s ease;
}
.lang-dropdown-btn:hover, .lang-dropdown-btn:focus-visible, .lang-dropdown.is-open .lang-dropdown-btn{
  color:var(--paper); border-color:var(--copper);
}
.lang-dropdown-btn .caret{ font-size:8px; opacity:.7; transition:transform .2s ease; }
.lang-dropdown.is-open .lang-dropdown-btn .caret{ transform:rotate(180deg); }
.lang-dropdown-menu{
  position:absolute; top:calc(100% + 10px); right:0; min-width:68px;
  background:var(--ink); border:1px solid var(--line-on-ink); border-radius:10px;
  padding:6px; display:flex; flex-direction:column; gap:2px;
  opacity:0; visibility:hidden; transform:translateY(-6px);
  transition:opacity .18s ease, transform .18s ease, visibility .18s ease;
  box-shadow:0 16px 32px rgba(0,0,0,.4); z-index:10;
}
.lang-dropdown:hover .lang-dropdown-menu,
.lang-dropdown.is-open .lang-dropdown-menu{ opacity:1; visibility:visible; transform:translateY(0); }
.lang-dropdown-menu a{
  font-family:var(--f-mono); font-size:12px; color:var(--slate-light);
  padding:8px 11px; border-radius:5px; transition:background .15s ease, color .15s ease;
}
.lang-dropdown-menu a:hover{ background:rgba(255,255,255,.07); color:var(--paper); }

/* language switch — simple list variant (mobile menu) */
.lang-switch{ display:flex; align-items:center; gap:5px; font-family:var(--f-mono); font-size:12px; color:var(--slate-light); }
.lang-switch a{ color:var(--slate-light); transition:color .2s ease; }
.lang-switch a:hover{ color:var(--paper); }
.lang-switch .lang-current{ color:var(--copper-light); font-weight:600; }
.lang-switch .sep{ color:var(--line-on-ink); }
.nav-mobile-lang{ display:flex; gap:14px; font-family:var(--f-mono); font-size:13px; color:#9aa2b1; margin-top:24px; }
.nav-mobile-lang a{ color:#9aa2b1; }
.nav-mobile-lang .lang-current{ color:var(--copper-light); }
.nav-cta{
  background:var(--copper); color:var(--ink); padding:10px 18px; font-size:13px;
  font-family:var(--f-mono); letter-spacing:.04em; text-transform:uppercase; border-radius:2px;
}
.nav-burger{
  display:none; width:26px; height:18px; position:relative; background:none; border:none; padding:0;
}
.nav-burger span{
  position:absolute; left:0; right:0; height:1.5px; background:var(--paper); transition:transform .25s ease, opacity .25s ease;
}
.nav-burger span:nth-child(1){ top:0; }
.nav-burger span:nth-child(2){ top:8px; }
.nav-burger span:nth-child(3){ top:16px; }
.nav-burger.is-open span:nth-child(1){ transform:translateY(8px) rotate(45deg); }
.nav-burger.is-open span:nth-child(2){ opacity:0; }
.nav-burger.is-open span:nth-child(3){ transform:translateY(-8px) rotate(-45deg); }

.nav-mobile{
  position:fixed; top:0; right:0; bottom:0; left:0; inset:0; z-index:99; background:var(--ink);
  display:flex; flex-direction:column; justify-content:center; gap:6px;
  padding:0 var(--gutter);
  transform:translateY(-100%); visibility:hidden; pointer-events:none; transition:transform .35s ease, visibility .35s ease;
}
.nav-mobile.is-open{ transform:translateY(0); visibility:visible; pointer-events:auto; }
.nav-mobile a{
  font-family:var(--f-display); font-size:2rem; color:var(--paper); padding:14px 0;
  border-bottom:1px solid var(--line-on-ink);
}
.nav-mobile .nav-cta{ margin-top:22px; align-self:flex-start; }

@media (max-width: 980px){
  .nav-burger{ display:block; }
}

/* ==== hero ==== */
.hero{
  position:relative;
  min-height:100svh;
  background:var(--ink);
  color:var(--paper);
  display:flex; align-items:center;
  overflow:hidden;
  padding-top:110px;
}
.hero-grid{
  position:absolute; top:0; right:0; bottom:0; left:0; inset:0;
  background-image:
    linear-gradient(var(--line-on-ink) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-on-ink) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at 60% 40%, black 10%, transparent 70%);
  opacity:.6;
}
#nexus-canvas{ position:absolute; top:0; right:0; bottom:0; left:0; inset:0; width:100%; height:100%; }
.hero-inner{ position:relative; z-index:2; width:100%; }
.hero-kicker{ margin-bottom:26px; }
.hero h1{ max-width:16ch; }
.hero .lede{ max-width:46ch; margin-top:28px; }
.hero .cta-row{ margin-top:42px; }
.hero-scroll{
  position:absolute; bottom:34px; left:var(--gutter);
  display:flex; align-items:center; gap:10px;
  font-family:var(--f-mono); font-size:11px; letter-spacing:.12em; color:var(--slate-light);
  text-transform:uppercase; z-index:2;
}
.hero-scroll .line{ width:1px; height:34px; background:linear-gradient(var(--copper), transparent); }

/* ==== reveal ==== */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .8s ease, transform .8s ease; }
.reveal.is-visible{ opacity:1; transform:none; }
.reveal-delay-1{ transition-delay:.08s; }
.reveal-delay-2{ transition-delay:.16s; }
.reveal-delay-3{ transition-delay:.24s; }
.reveal-delay-4{ transition-delay:.32s; }

/* ==== problem section ==== */
.problem-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:80px;
  margin-top:56px;
}
.problem-list{ display:grid; gap:0; }
.problem-item{
  display:grid; grid-template-columns:52px 1fr; gap:18px;
  padding:22px 0; border-top:1px solid var(--line-on-paper);
}
.problem-item:last-child{ border-bottom:1px solid var(--line-on-paper); }
.problem-item .n{ font-family:var(--f-mono); color:var(--copper); font-size:13px; padding-top:3px; }
.problem-item h4{ font-size:1rem; margin-bottom:6px; }
.problem-item p{ color:var(--slate); font-size:.95rem; line-height:1.6; }

/* ==== method ==== */
.method-track{ margin-top:64px; display:grid; grid-template-columns:repeat(5,1fr); gap:1px; background:var(--line-on-ink); border:1px solid var(--line-on-ink); }
.method-step{ background:var(--ink); padding:34px 26px; position:relative; min-height:280px; display:flex; flex-direction:column; }
.method-step .n{ font-family:var(--f-mono); color:var(--copper-light); font-size:13px; }
.method-step h3{ font-size:1.35rem; margin:18px 0 14px; }
.method-step p{ font-size:.92rem; color:#b7bdc9; line-height:1.6; flex:1; }
.method-step .arrow{ margin-top:18px; color:var(--teal-light); font-family:var(--f-mono); font-size:12px; }

/* ==== domains ==== */
.domain-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line-on-paper); border:1px solid var(--line-on-paper); margin-top:56px; }
.domain-card{ background:var(--paper); padding:38px 32px; transition:background .25s ease; }
.domain-card:hover{ background:var(--white); }
.domain-card .verb{ font-family:var(--f-mono); font-size:12px; color:var(--teal); text-transform:uppercase; letter-spacing:.1em; }
.domain-card h3{ font-size:1.3rem; margin:14px 0 12px; }
.domain-card p{ color:var(--slate); font-size:.92rem; line-height:1.6; margin-bottom:18px; }
.domain-card .link{ font-family:var(--f-mono); font-size:12.5px; color:var(--ink); border-bottom:1px solid var(--copper); padding-bottom:2px; }

/* ==== asset intelligence bridge ==== */
.bridge{ background:linear-gradient(160deg,#0b1220 0%, #0f2b2b 130%); color:var(--paper); position:relative; overflow:hidden;}
.bridge-flow{ display:flex; flex-wrap:wrap; gap:0; align-items:center; margin:56px 0; font-family:var(--f-mono); font-size:12.5px; letter-spacing:.03em; color:#bfe3e0;}
.bridge-flow span{ padding:10px 16px; border:1px solid rgba(58,166,161,.35); border-radius:20px; margin:4px 10px 4px 0; }
.bridge-flow .sep{ border:none; padding:0 4px; color:var(--teal-light); }
.bridge-cols{ display:grid; grid-template-columns:1.1fr .9fr; gap:70px; align-items:start; }
.bridge-brand-box{
  border:1px solid rgba(246,244,239,.16); padding:34px; border-radius:4px; background:rgba(246,244,239,.03);
}
.bridge-brand-box .tag-logo{ font-family:var(--f-display); font-weight:700; font-size:22px; color:var(--paper); }
.bridge-brand-box .tag-logo em{ font-style:normal; color:var(--teal-light); }
.bridge-brand-box .tag-line{ font-family:var(--f-mono); font-size:13px; color:var(--teal-light); margin:10px 0 20px; letter-spacing:.02em;}
.bridge-brand-box p{ color:#c7ccd6; font-size:.94rem; line-height:1.65; margin-bottom:22px; }

/* ==== case studies ==== */
.case-card{
  border:1px solid var(--line-on-paper); padding:38px; margin-top:24px; display:grid; grid-template-columns:1fr 1.6fr; gap:44px;
}
.case-meta{ font-family:var(--f-mono); font-size:12px; color:var(--slate); display:grid; gap:10px; align-content:start; }
.case-meta .tag{ color:var(--copper); text-transform:uppercase; letter-spacing:.08em; }
.case-stats{ display:flex; gap:26px; margin-top:10px; flex-wrap:wrap; }
.case-stats div{ }
.case-stats .num{ font-family:var(--f-mono); font-size:1.5rem; color:var(--ink); }
.case-stats .lbl{ font-size:.72rem; color:var(--slate); text-transform:uppercase; letter-spacing:.06em; }
.case-body h3{ font-size:1.4rem; margin-bottom:14px; }
.case-body .step{ margin-bottom:14px; }
.case-body .step b{ font-family:var(--f-mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.08em; color:var(--teal); display:block; margin-bottom:4px; }
.case-body .step p{ font-size:.94rem; color:var(--slate); line-height:1.6; }
.case-note{ font-size:.78rem; color:var(--slate-light); font-style:italic; margin-top:14px; }

/* ==== credibility ==== */
.cred-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:40px; margin-top:56px; }
.cred-stat .num{ font-family:var(--f-mono); font-size:2.6rem; color:var(--copper-light); }
.cred-stat .lbl{ font-size:.85rem; color:#b7bdc9; margin-top:8px; line-height:1.5; }
.cred-tags{ display:flex; flex-wrap:wrap; gap:10px; margin-top:48px; }
.cred-tags span{ font-family:var(--f-mono); font-size:12px; border:1px solid var(--line-on-ink); padding:8px 14px; border-radius:20px; color:#dfe3ea; }

/* ==== insights ==== */
.insight-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line-on-paper); border:1px solid var(--line-on-paper); margin-top:56px; }
.insight-card{ background:var(--paper); padding:36px; }
.insight-card .kicker{ margin-bottom:20px; }
.insight-card h3{ font-family:var(--f-serif); font-weight:500; font-size:1.5rem; line-height:1.3; margin-bottom:14px; }
.insight-card p{ color:var(--slate); font-size:.92rem; line-height:1.6; }
.insight-card .meta{ margin-top:20px; font-family:var(--f-mono); font-size:11.5px; color:var(--slate-light); }

/* ==== CTA / contact block ==== */
.cta-block{ text-align:center; }
.cta-block .h-lg{ max-width:16ch; margin:0 auto; }
.cta-block .lede{ max-width:44ch; margin:22px auto 0; }
.cta-block .cta-row{ justify-content:center; margin-top:38px; }

/* ==== footer ==== */
footer{ background:var(--ink); color:#9aa2b1; padding:70px var(--gutter) 30px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:50px; padding-bottom:50px; border-bottom:1px solid var(--line-on-ink); }
.footer-brand .nav-logo{ margin-bottom:16px; }
.footer-brand p{ font-size:.88rem; line-height:1.6; max-width:32ch; }
footer h5{ font-family:var(--f-mono); font-size:11px; text-transform:uppercase; letter-spacing:.1em; color:#dfe3ea; margin-bottom:16px; }
footer ul li{ margin-bottom:10px; }
footer a{ font-size:.88rem; color:#9aa2b1; transition:color .2s ease; }
footer a:hover{ color:var(--paper); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:26px; font-size:.78rem; flex-wrap:wrap; gap:12px; }
.footer-bottom .legal a{ margin-left:18px; font-size:.78rem; }

/* ==== page hero (secondary pages) ==== */
.page-hero{ background:var(--ink); color:var(--paper); padding:170px var(--gutter) 90px; }
.page-hero .h-xl{ max-width:20ch; }
.breadcrumb{ font-family:var(--f-mono); font-size:12px; color:var(--slate-light); margin-bottom:24px; }
.breadcrumb a:hover{ color:var(--copper-light); }

/* ==== lifecycle (asset intelligence page) ==== */
.lifecycle{ display:flex; flex-wrap:wrap; gap:0; margin-top:60px; position:relative; }
.lifecycle::before{ content:""; position:absolute; top:22px; left:0; right:0; height:1px; background:var(--line-on-paper); }
.lc-step{ flex:1 1 100px; min-width:100px; padding-top:50px; position:relative; text-align:left; padding-right:14px; }
.lc-step .dot{ position:absolute; top:16px; left:0; width:11px; height:11px; border-radius:50%; background:var(--paper); border:2px solid var(--copper); }
.lc-step.is-flag .dot{ background:var(--copper); }
.lc-step .lbl{ font-family:var(--f-mono); font-size:12px; letter-spacing:.02em; }
.lc-step .num{ font-family:var(--f-mono); font-size:11px; color:var(--slate-light); }

.data-strand{ display:grid; grid-template-columns:repeat(5,1fr); gap:1px; background:var(--line-on-paper); border:1px solid var(--line-on-paper); margin-top:20px; }
.data-strand div{ background:var(--paper); padding:22px 18px; }
.data-strand .t{ font-family:var(--f-mono); font-size:11px; color:var(--teal); text-transform:uppercase; letter-spacing:.06em; margin-bottom:8px; }
.data-strand .d{ font-size:.85rem; color:var(--slate); line-height:1.5; }

/* ==== about page ==== */
.about-lead{ display:grid; grid-template-columns:1fr 1fr; gap:70px; align-items:start; }
.founder-card{ border:1px solid var(--line-on-paper); padding:34px; margin-top:40px; display:grid; grid-template-columns:168px 1fr; gap:34px; }
.founder-avatar{
  width:168px; height:168px; object-fit:cover; display:block;
  border:1px solid var(--line-on-paper); border-radius:50%;
}
.founder-card h4{ font-size:1.1rem; margin-bottom:4px; }
.founder-card .role{ font-family:var(--f-mono); font-size:12px; color:var(--teal); margin-bottom:14px; display:block; }
.founder-card p{ font-size:.92rem; color:var(--slate); line-height:1.6; }
.values-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line-on-paper); border:1px solid var(--line-on-paper); margin-top:20px; }
.values-grid div{ background:var(--paper); padding:26px 22px; }
.values-grid .n{ font-family:var(--f-mono); font-size:11px; color:var(--copper); }
.values-grid h4{ font-size:1rem; margin:10px 0 8px; }
.values-grid p{ font-size:.85rem; color:var(--slate); line-height:1.55; }

/* ==== contact page ==== */
.contact-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:80px; }
.contact-info h3{ font-size:1.3rem; margin-bottom:16px; }
.contact-info p{ color:var(--slate); font-size:.95rem; line-height:1.7; margin-bottom:28px; }
.contact-channel{ padding:18px 0; border-top:1px solid var(--line-on-paper); }
.contact-channel:last-child{ border-bottom:1px solid var(--line-on-paper); }
.contact-channel .lbl{ font-family:var(--f-mono); font-size:11px; text-transform:uppercase; letter-spacing:.08em; color:var(--slate); margin-bottom:6px; }
.contact-channel a, .contact-channel span{ font-size:1rem; }
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:22px; }
.form-grid .full{ grid-column:1 / -1; }
.field label{ display:block; font-family:var(--f-mono); font-size:11px; text-transform:uppercase; letter-spacing:.07em; color:var(--slate); margin-bottom:8px; }
.field input, .field select, .field textarea{
  width:100%; border:none; border-bottom:1px solid var(--line-on-paper); background:transparent;
  padding:10px 2px; font-family:var(--f-body); font-size:.98rem; color:var(--ink);
  transition:border-color .2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--copper); }
.field textarea{ resize:vertical; min-height:90px; }
.form-submit{ margin-top:12px; }
.form-note{ font-size:.78rem; color:var(--slate-light); margin-top:14px; }
.hp-field{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }

/* ==== industries strip ==== */
.industry-strip{ display:flex; flex-wrap:wrap; gap:1px; background:var(--line-on-ink); border:1px solid var(--line-on-ink); margin-top:20px; }
.industry-strip span{ flex:1 1 140px; background:var(--ink); padding:18px 20px; font-family:var(--f-mono); font-size:12.5px; color:#dfe3ea; }

/* ==== domain / industry detail pages ==== */
.two-col-list{ display:grid; grid-template-columns:1fr 1fr; gap:50px; margin-top:20px; }
.two-col-list h4{ font-family:var(--f-mono); font-size:11.5px; text-transform:uppercase; letter-spacing:.08em; color:var(--teal); margin-bottom:16px; }
.two-col-list ul li{ padding:12px 0; border-top:1px solid var(--line-on-paper); font-size:.92rem; color:var(--slate); line-height:1.5; }
.two-col-list ul li:last-child{ border-bottom:1px solid var(--line-on-paper); }

.outcome-row{ display:flex; flex-wrap:wrap; gap:14px; margin-top:26px; }
.outcome-row span{ font-family:var(--f-mono); font-size:12.5px; background:var(--paper-dim); padding:10px 16px; border-radius:20px; color:var(--ink); border:1px solid var(--line-on-paper); }
.section--ink .outcome-row span{ background:rgba(246,244,239,.04); border-color:var(--line-on-ink); color:#dfe3ea; }

.tag-row{ display:flex; flex-wrap:wrap; gap:10px; margin-top:22px; }
.tag-row a{ font-family:var(--f-mono); font-size:12px; border:1px solid var(--line-on-paper); padding:8px 14px; border-radius:20px; color:var(--slate); transition:all .2s ease; }
.tag-row a:hover{ border-color:var(--copper); color:var(--ink); }

.industry-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line-on-paper); border:1px solid var(--line-on-paper); margin-top:56px; }
.industry-card{ background:var(--paper); padding:38px; }
.industry-card .kicker{ margin-bottom:16px; }
.industry-card h3{ font-size:1.35rem; margin-bottom:14px; }
.industry-card p{ color:var(--slate); font-size:.93rem; line-height:1.65; margin-bottom:18px; }

.case-callout{ border:1px solid var(--line-on-paper); background:var(--paper-dim); padding:26px 30px; margin-top:26px; display:flex; justify-content:space-between; align-items:center; gap:20px; flex-wrap:wrap; }
.case-callout p{ font-size:.9rem; color:var(--slate); max-width:52ch; }
.case-callout p b{ color:var(--ink); }

/* ==== approach page ==== */
.approach-step{ border-top:1px solid var(--line-on-ink); padding:48px 0; display:grid; grid-template-columns:120px 1fr 260px; gap:40px; }
.approach-step:last-child{ border-bottom:1px solid var(--line-on-ink); }
.approach-step .n{ font-family:var(--f-mono); font-size:2.2rem; color:var(--copper-light); }
.approach-step h3{ font-size:1.5rem; margin-bottom:14px; }
.approach-step p{ color:#c7ccd6; font-size:.96rem; line-height:1.7; }
.approach-meta{ display:grid; gap:16px; align-content:start; }
.approach-meta div{ font-family:var(--f-mono); font-size:11.5px; }
.approach-meta .lbl{ color:var(--teal-light); text-transform:uppercase; letter-spacing:.07em; margin-bottom:4px; }
.approach-meta .val{ color:#dfe3ea; font-size:12.5px; }

/* ==== insights hub filters ==== */
.filter-tabs{ display:flex; gap:10px; flex-wrap:wrap; margin-top:34px; }
.filter-tabs button{
  font-family:var(--f-mono); font-size:12px; text-transform:uppercase; letter-spacing:.06em;
  padding:9px 16px; border:1px solid var(--line-on-paper); background:transparent; border-radius:20px;
  color:var(--slate); transition:all .2s ease;
}
.filter-tabs button.is-active, .filter-tabs button:hover{ border-color:var(--copper); color:var(--ink); background:var(--paper-dim); }
.insight-card{ transition:opacity .25s ease, transform .25s ease; }
.insight-card.is-hidden{ display:none; }

/* ==== article page ==== */
.article-head{ max-width:70ch; }
.article-meta-row{ display:flex; gap:18px; align-items:center; margin-top:22px; font-family:var(--f-mono); font-size:12px; color:var(--slate-light); flex-wrap:wrap; }
.article-body{ max-width:70ch; margin-top:10px; }
.article-body p{ font-size:1.05rem; line-height:1.85; color:var(--ink); margin-bottom:24px; }
.article-body h3{ font-size:1.3rem; margin:44px 0 16px; }
.article-pull{ font-family:var(--f-serif); font-style:italic; font-size:1.5rem; line-height:1.5; color:var(--ink); border-left:2px solid var(--copper); padding-left:28px; margin:44px 0; }
.article-share{ margin-top:50px; padding-top:26px; border-top:1px solid var(--line-on-paper); font-family:var(--f-mono); font-size:12px; color:var(--slate); }

/* ==== legal pages ==== */
.legal-prose{ max-width:72ch; }
.legal-prose h2{ margin-top:44px; margin-bottom:14px; font-size:1.25rem; font-family:var(--f-display); }
.legal-prose h2:first-child{ margin-top:0; }
.legal-prose p, .legal-prose li{ color:var(--slate); font-size:.95rem; line-height:1.75; margin-bottom:14px; }
.legal-prose ul{ padding-left:20px; list-style:disc; }
.legal-note{ font-family:var(--f-mono); font-size:12px; color:var(--copper); background:var(--paper-dim); border:1px solid var(--line-on-paper); padding:16px 20px; margin-bottom:36px; }

/* ==== responsive ==== */
@media (max-width: 980px){
  .nav-links{ display:none; }
  .nav-right{ display:none; }
  .nav-burger{ display:block; }
  .problem-grid{ grid-template-columns:1fr; gap:36px; }
  .method-track{ grid-template-columns:1fr 1fr; }
  .domain-grid{ grid-template-columns:1fr 1fr; }
  .bridge-cols{ grid-template-columns:1fr; gap:36px; }
  .case-card{ grid-template-columns:1fr; }
  .cred-grid{ grid-template-columns:1fr 1fr; }
  .insight-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .about-lead{ grid-template-columns:1fr; }
  .values-grid{ grid-template-columns:1fr 1fr; }
  .contact-grid{ grid-template-columns:1fr; gap:50px; }
  .form-grid{ grid-template-columns:1fr; }
  .two-col-list{ grid-template-columns:1fr; gap:10px; }
  .industry-grid{ grid-template-columns:1fr; }
  .approach-step{ grid-template-columns:1fr; gap:16px; }
}
@media (max-width: 640px){
  .method-track{ grid-template-columns:1fr; }
  .domain-grid{ grid-template-columns:1fr; }
  .founder-card{ grid-template-columns:1fr; padding:26px; }
  .founder-avatar{ width:120px; height:120px; }
  .cred-grid{ grid-template-columns:1fr 1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; gap:30px; }
  .case-card{ padding:26px; }
  .lifecycle{ display:grid; grid-template-columns:1fr 1fr; }
  .lifecycle::before{ display:none; }
}