/* ================================================================
   Kortex Labs — v2
   Editorial, high-contrast, deliberately not another dark-purple
   AI agency site. No gradients, no glows, no orbs, no pulsing dots.
   ================================================================ */

:root {
  /* Paper & ink — light, editorial, high contrast */
  --paper:      #FAF9F6;   /* Snow White — Pomelli bDNA */
  --paper-2:    #F3F0E8;
  --paper-3:    #EDEAE1;
  --ink:        #18181B;   /* Obsidian Black */
  --ink-2:      #55514A;
  --ink-3:      #6B665D;
  --rule:       #DEDAD0;
  --rule-2:     #C9C4B7;

  /* One accent. Earned, not decorative. 6.6:1 on paper. */
  --accent:     #B84025;   /* Burnt Clay */
  --accent-ink: #FFFFFF;
  --accent-wash:#F7EDE8;

  --ok:         #1F6B45;

  /* Type — distinctive faces, not Inter/Roboto/Jakarta */
  --display: "Newsreader", "Iowan Old Style", Georgia, serif;
  --sans:    "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Scale — every adjacent step ≥ 1.25× */
  --t-label: 0.8125rem;   /* 13 */
  --t-body:  1.0625rem;   /* 17 */
  --t-lead:  1.375rem;    /* 22 */
  --t-h3:    1.5rem;      /* 24 */
  --t-h2:    2.375rem;    /* 38 */
  --t-h1:    4rem;        /* 64 */

  --maxw: 1080px;
  --gap: 24px;
}

@media (max-width: 760px) {
  :root { --t-h1: 2.5rem; --t-h2: 1.875rem; --t-lead: 1.1875rem; }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 88px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--sans);
  font-size: var(--t-body);
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration-color: var(--rule-2); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }
img { max-width: 100%; display: block; }
::selection { background: var(--accent); color: var(--accent-ink); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }
.narrow { max-width: 720px; }

/* ---------- Typography ---------- */
h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 1.08; letter-spacing: -0.015em; }
h1 { font-size: var(--t-h1); }
h2 { font-size: var(--t-h2); }
h3 { font-family: var(--sans); font-size: var(--t-h3); font-weight: 600; line-height: 1.25; letter-spacing: -0.01em; }
h4 { font-family: var(--sans); font-size: var(--t-body); font-weight: 600; line-height: 1.35; }

.label {
  line-height: 1.4;
  font-family: var(--mono);
  font-size: var(--t-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;   /* short labels only — never body copy */
  color: var(--ink-3);
}
.lead { font-size: var(--t-lead); line-height: 1.5; color: var(--ink-2); }
.muted { color: var(--ink-2); }
strong { font-weight: 600; }

/* ---------- Rules & sections ---------- */
section { padding-top: 96px; padding-bottom: 96px; border-top: 1px solid var(--rule); }
@media (max-width: 760px) { section { padding-top: 64px; padding-bottom: 64px; } }
section:first-of-type { border-top: 0; }
.sec-head { margin-bottom: 48px; max-width: 640px; }
.sec-head h2 { margin-block: 10px 14px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(10px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.01em; text-decoration: none; }
.brand img { width: 26px; height: 26px; }
.nav-links { display: flex; gap: 26px; margin-left: auto; font-size: 0.9375rem; }
.nav-links a { text-decoration: none; color: var(--ink-2); }
.nav-links a:hover { color: var(--ink); }
.nav-toggle { display: none; background: none; border: 0; font: inherit; cursor: pointer; padding: 8px; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; inset: 68px 0 auto;
    background: var(--paper); border-bottom: 1px solid var(--rule); padding: 20px 24px; gap: 16px;
  }
  .nav-toggle { display: block; margin-left: auto; }
  .nav-cta { display: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font: 600 0.9375rem/1 var(--sans);
  padding: 13px 20px; border-radius: 3px; border: 1px solid transparent;
  text-decoration: none; cursor: pointer; transition: background .15s, border-color .15s, color .15s;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: #93321C; }
.btn-ghost { border-color: var(--rule-2); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); }
.btn-sm { padding: 9px 15px; font-size: 0.875rem; }

/* ---------- Hero ---------- */
.hero { padding-top: 88px; padding-bottom: 80px; }
@media (max-width: 760px) { .hero { padding-top: 56px; padding-bottom: 56px; } }
.hero-grid { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(0,0.85fr); gap: 64px; align-items: end; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }
.hero h1 { max-width: 15ch; margin-bottom: 22px; }
.hero-proof { border-left: 1px solid var(--rule); padding-left: 28px; }
.hero-proof h2 { font-family: var(--sans); font-size: var(--t-label); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 18px; }
.hero-proof ul { list-style: none; display: grid; gap: 16px; }
.hero-proof li { font-size: 0.9375rem; line-height: 1.45; color: var(--ink-2); }
.hero-proof li b { display: block; color: var(--ink); font-weight: 600; font-size: 1rem; margin-bottom: 2px; }
@media (max-width: 900px) { .hero-proof { border-left: 0; border-top: 1px solid var(--rule); padding-left: 0; padding-top: 28px; } }
.hero .lead { max-width: 52ch; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 14px; }
.hero-note { font-size: 0.9375rem; color: var(--ink-2); }
.hero-note strong { color: var(--ink); }
.avail { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 20px; font-size: 0.875rem; color: var(--ok); font-weight: 500; }
.avail::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--ok); }

/* ---------- Numbers strip ---------- */
.figures { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); border-block: 1px solid var(--rule); }
.figure { padding: 26px 22px; border-left: 1px solid var(--rule); }
.figure:first-child { border-left: 0; }
.figure b { display: block; font-family: var(--display); font-size: 2.5rem; line-height: 1; letter-spacing: -0.02em; margin-bottom: 8px; }
.figure span { font-size: 0.9375rem; color: var(--ink-2); }

/* ---------- Packages ---------- */
.pkgs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
@media (max-width: 720px) { .pkgs { grid-template-columns: 1fr; } }
.pkg { background: var(--paper); padding: 32px 28px; display: flex; flex-direction: column; }
.pkg:hover { background: var(--paper-2); }
.pkg-price { font-family: var(--mono); font-size: var(--t-label); color: var(--accent); letter-spacing: 0.04em; margin-bottom: 12px; }
.pkg h3 { margin-bottom: 10px; }
.pkg > p { color: var(--ink-2); margin-bottom: 20px; }
.pkg ul { list-style: none; margin-bottom: 24px; display: grid; gap: 9px; font-size: 0.9375rem; }
.pkg li { padding-left: 20px; position: relative; color: var(--ink-2); }
.pkg li::before { content: "—"; position: absolute; left: 0; color: var(--rule-2); }
.pkg .who { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--rule); font-size: 0.875rem; color: var(--ink-3); }

/* ---------- Case studies ---------- */
.cases { display: grid; gap: 0; }
.case { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.4fr); gap: 40px; padding-block: 40px; border-top: 1px solid var(--rule); }
.case:first-child { border-top: 0; padding-top: 0; }
@media (max-width: 800px) { .case { grid-template-columns: 1fr; gap: 20px; } }
.case-stack { font-family: var(--mono); font-size: var(--t-label); color: var(--ink-3); margin-top: 12px; }
.case dl { display: grid; gap: 18px; }
.case dt { font-family: var(--mono); font-size: var(--t-label); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 5px; }
.case dd { color: var(--ink-2); }
.case .outcome { color: var(--ink); font-weight: 500; border-left: 2px solid var(--accent); padding-left: 16px; }

/* ---------- Steps (no icon tiles) ---------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 32px; counter-reset: s; }
.step { counter-increment: s; }
.step h3 { display: flex; align-items: baseline; gap: 10px; margin-bottom: 8px; }
.step h3::before { content: counter(s, decimal-leading-zero); font-family: var(--mono); font-size: var(--t-label); color: var(--accent); font-weight: 400; }
.step p { font-size: 0.9375rem; color: var(--ink-2); }

/* ---------- Fit / not-fit ---------- */
.fit { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
@media (max-width: 700px) { .fit { grid-template-columns: 1fr; } }
.fit > div { background: var(--paper); padding: 30px 28px; }
.fit ul { list-style: none; display: grid; gap: 12px; margin-top: 16px; font-size: 0.9375rem; color: var(--ink-2); }
.fit li { padding-left: 24px; position: relative; }
.fit .yes li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 600; }
.fit .no li::before { content: "✕"; position: absolute; left: 0; color: var(--ink-3); }

/* ---------- FAQ ---------- */
.faq { display: grid; border-top: 1px solid var(--rule); padding-top: 4px; }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary { cursor: pointer; padding: 20px 40px 20px 0; font-weight: 600; position: relative; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 18px; font-family: var(--mono); font-size: 1.25rem; color: var(--ink-3); }
.faq details[open] summary::after { content: "–"; }
.faq details > div { padding-bottom: 22px; color: var(--ink-2); max-width: 68ch; }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: 180px 1fr; gap: 40px; align-items: start; }
@media (max-width: 700px) { .about { grid-template-columns: 1fr; } }
.about img { border-radius: 2px; filter: grayscale(1); }

/* ---------- Contact ---------- */
.contact { background: var(--paper-2); padding-left: 20px; padding-right: 20px; }
.form { display: grid; gap: 16px; margin-top: 28px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 620px) { .row { grid-template-columns: 1fr; } }
.field label { display: block; font-size: 0.875rem; font-weight: 600; margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 0.9375rem; color: var(--ink);
  background: var(--paper); border: 1px solid var(--rule-2); border-radius: 3px;
  padding: 11px 13px;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); outline: none; }
.hint { font-size: 0.8125rem; color: var(--ink-3); margin-top: 6px; }

/* ---------- Footer ---------- */
footer { border-top: 1px solid var(--rule); padding-block: 40px; font-size: 0.9375rem; color: var(--ink-2); }
.foot-inner { display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; align-items: center; }
footer a { text-decoration: none; }
footer a:hover { color: var(--ink); }

/* ---------- Video ---------- */
.vids { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
@media (max-width: 860px) { .vids { grid-template-columns: 1fr; max-width: 380px; margin-inline: auto; } }
.vid { margin: 0; }
.vid video {
  width: 100%; aspect-ratio: 9/16; border-radius: 3px; display: block;
  background: var(--paper-3); border: 1px solid var(--rule); object-fit: cover;
}
.vid figcaption { padding-top: 14px; }
.vid figcaption b { display: block; font-weight: 600; margin-bottom: 4px; }
.vid figcaption span { font-size: 0.9375rem; color: var(--ink-2); }

/* ---------- Footer social ---------- */
.foot-social { display: flex; gap: 18px; flex-wrap: wrap; }
.foot-social a { color: var(--ink-2); }
.foot-social a:hover { color: var(--accent); }
@media (max-width: 620px) { .foot-inner { flex-direction: column; align-items: flex-start; gap: 14px; } }

/* ---------- Inner pages (blog, services) — migrated from the old theme ---------- */
.bg-orbs, .orb { display: none !important; }   /* orbs were an AI-slop tell */

.blog-header, .page-header { padding: 88px 0 44px; text-align: left; }
.blog-header h1, .page-header h1 { max-width: 20ch; margin-bottom: 16px; }
.blog-header p, .page-header p { font-size: var(--t-lead); color: var(--ink-2); max-width: 60ch; }

.post-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1px;
  background: var(--rule); border: 1px solid var(--rule); margin-bottom: 88px; }
.post-card { background: var(--paper); padding: 30px 28px; display: flex; flex-direction: column; }
.post-card:hover { background: var(--paper-2); }
.post-card h2, .post-card h3 { font-family: var(--sans); font-size: var(--t-h3); font-weight: 600;
  line-height: 1.25; margin-bottom: 12px; }
.post-card p { color: var(--ink-2); font-size: 0.9375rem; margin-bottom: 20px; }
.post-meta { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--rule);
  font-family: var(--mono); font-size: var(--t-label); color: var(--ink-3); }
.tag { display: inline-block; line-height: 1.4; font-family: var(--mono); font-size: var(--t-label);
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.read-more { display: inline-block; margin-top: 12px; font-weight: 600; font-size: 0.9375rem;
  color: var(--accent); text-decoration: none; }
.read-more:hover { text-decoration: underline; }

.cta-band { background: var(--paper-2); border-block: 1px solid var(--rule);
  padding: 56px 20px; }
.cta-inner { max-width: var(--maxw); margin-inline: auto; padding-inline: 24px;
  display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; }
.cta-inner h2 { font-size: var(--t-h2); margin-bottom: 6px; }
.cta-inner p { color: var(--ink-2); }

.footer, .footer-inner { border-top: 1px solid var(--rule); padding-block: 40px;
  font-size: 0.9375rem; color: var(--ink-2); text-align: center; }
.footer-brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 600;
  color: var(--ink); margin-bottom: 8px; }

/* article body */
.copy { max-width: 72ch; margin-inline: auto; }
.copy h2 { font-size: var(--t-h2); margin-block: 44px 16px; }
.copy h3 { margin-block: 32px 12px; }
.copy p, .copy li { color: var(--ink-2); margin-bottom: 16px; }
.copy ul, .copy ol { padding-left: 22px; margin-bottom: 20px; }
.copy a { color: var(--accent); }
.copy blockquote { border-left: 2px solid var(--accent); padding-left: 20px; margin: 24px 0;
  color: var(--ink); }
.copy code { font-family: var(--mono); font-size: 0.875em; background: var(--paper-2);
  padding: 2px 6px; border-radius: 2px; }
.copy pre { background: var(--paper-2); border: 1px solid var(--rule); border-radius: 3px;
  padding: 18px; overflow-x: auto; margin-bottom: 20px; }
.copy pre code { background: none; padding: 0; }
.post-card a { text-decoration: none; }
.post-card h2 a, .post-card h3 a { color: var(--ink); }
.post-card:hover h2 a, .post-card:hover h3 a { color: var(--accent); }

/* inner-page containers sitting directly under a section border need their own inset */
.blog-header .container, .page-header .container,
section > .container { padding-top: 12px; }
.blog-header > .container, .page-header > .container { padding-top: 16px; padding-bottom: 8px; }
/* the old theme's display sizes came through too tight */
.blog-header h1, .page-header h1, .cta-inner h2 { line-height: 1.12; }
h1, h2 { line-height: 1.12; }

/* inner pages: bare .container under a bordered section needs its own inset */
.blog-header + .container, section + .container,
body > .container { padding-top: 20px; padding-bottom: 20px; }
.cta-band .container, .cta-inner { padding-top: 16px; padding-bottom: 16px; }
.post-meta { line-height: 1.5; }
.eyebrow { line-height: 1.4; }
.formnote { margin-top: 14px; padding: 12px 14px; border-left: 2px solid var(--accent);
  background: var(--paper); font-size: 0.9375rem; color: var(--ink); }
.formnote a { color: var(--accent); }