@import url('https://fonts.googleapis.com/css2?family=Inter+Tight:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');
/* aicms design tokens
 * Single source of truth for site-wide styling.
 * Linked from every page in /content/{locale}/*.html.
 * Edited via prompt on /admin/design.
 *
 * ReFactorio: editorial, print-like. Warm paper, black ink (the logo is
 * black on white), one signal orange used sparingly. Hairline rules instead
 * of cards, mono labels, big tight display type. No gradients, no glow.
 */

:root {
  /* Color palette */
  --color-bg:           #f2f0eb;
  --color-surface:      #ffffff;
  --color-ink:          #121212;
  --color-text:         #121212;
  --color-text-muted:   #5c5952;
  --color-text-soft:    #8a867d;
  --color-border:       rgba(18, 18, 18, 0.16);
  --color-border-soft:  rgba(18, 18, 18, 0.08);
  --color-accent:       #ff4f1f;
  --color-accent-soft:  rgba(255, 79, 31, 0.10);
  --color-accent-deep:  #d93a0e;
  --color-inverse-bg:   #121212;
  --color-inverse-text: #f2f0eb;
  --color-inverse-muted:#9b978e;

  /* Typography */
  --font-sans: "Inter Tight", Inter, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Inter Tight", Inter, system-ui, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --fs-display: clamp(56px, 11vw, 152px);
  --fs-h1: clamp(40px, 6vw, 72px);
  --fs-h2: clamp(32px, 4.4vw, 56px);
  --fs-h3: clamp(22px, 2.2vw, 28px);
  --fs-body: 18px;
  --fs-small: 15px;
  --fs-label: 12px;

  --lh-tight: 0.92;
  --lh-snug: 1.2;
  --lh-body: 1.55;

  /* Spacing scale (8px base) */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 64px;
  --s-9: 96px;
  --s-10: 144px;

  /* Radii: square, like print */
  --r-1: 2px;
  --r-2: 4px;
  --r-3: 6px;
  --r-4: 8px;
  --r-pill: 999px;

  /* Shadows: none, by design */
  --shadow-1: none;
  --shadow-2: none;
  --shadow-3: none;

  /* Misc */
  --maxw-prose: 62ch;
  --maxw-page: 1280px;
  --gutter: clamp(20px, 4vw, 48px);
  --transition: 0.2s cubic-bezier(.2, .7, .2, 1);
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "cv11";
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}
::selection { background: var(--color-accent); color: #fff; }

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--s-4);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: var(--lh-snug);
  color: inherit;
}
h1 { font-size: var(--fs-h1); line-height: var(--lh-tight); letter-spacing: -0.045em; font-weight: 800; }
h2 { font-size: var(--fs-h2); line-height: 1; letter-spacing: -0.04em; }
h3 { font-size: var(--fs-h3); }

p { margin: 1em 0; max-width: var(--maxw-prose); }
a { color: inherit; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
a:hover { color: var(--color-accent); }

img, video { max-width: 100%; height: auto; display: block; }

/* Layout primitives */
.container, .wrap { max-width: var(--maxw-page); margin: 0 auto; padding: 0 var(--gutter); width: 100%; }

[data-aicms="navbar"] {
  display: flex;
  gap: var(--s-5);
  align-items: center;
  width: 100%;
  max-width: var(--maxw-page);
  margin: 0 auto;
  padding: var(--s-5) var(--gutter);
  background: transparent;
}
[data-aicms="navbar"] a {
  color: var(--color-text);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
}
[data-aicms="navbar"] a:hover { color: var(--color-accent); }

[data-aicms="page"] { width: 100%; flex: 1; }
[data-aicms="hero"] { padding: var(--s-8) 0; }
[data-aicms="hero"] h1 { font-size: var(--fs-display); }

[data-aicms="footer"] {
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 13px;
}

/* Components — buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  padding: 14px 22px;
  border-radius: var(--r-pill);
  font: inherit;
  font-size: var(--fs-small);
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.btn .arrow { transition: transform var(--transition); }
.btn:hover .arrow { transform: translateX(4px); }
.btn-primary { background: var(--color-ink); color: var(--color-bg); }
.btn-primary:hover { background: var(--color-accent); color: #fff; }
.btn-secondary { background: transparent; color: var(--color-text); border-color: var(--color-text); }
.btn-secondary:hover { background: var(--color-text); color: var(--color-bg); }
.btn-ghost { background: transparent; color: var(--color-text); padding-left: 0; padding-right: 0; text-decoration: underline; text-underline-offset: 5px; }
.btn-ghost:hover { color: var(--color-accent); }

/* Components — cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--r-2);
  padding: var(--s-5);
}
.card-feature .icon-circle {
  width: 40px; height: 40px;
  border-radius: var(--r-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent-deep);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--s-3);
  font-size: 18px;
}
.card-feature h4 { font-size: var(--fs-h3); margin-bottom: var(--s-2); }
.card-feature p { color: var(--color-text-muted); font-size: var(--fs-small); margin: 0; }

.card-testimonial { background: transparent; border-width: 1px 0 0; border-radius: 0; padding-left: 0; padding-right: 0; }
.card-testimonial blockquote {
  margin: 0 0 var(--s-3);
  font-size: 24px;
  line-height: var(--lh-snug);
  letter-spacing: -0.02em;
  color: var(--color-text);
}
.card-testimonial .author { font-family: var(--font-mono); font-size: 13px; color: var(--color-text-muted); }

.card-pricing { text-align: left; }
.card-pricing.popular { border-color: var(--color-ink); }
.card-pricing .badge {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  margin-bottom: var(--s-3);
}
.card-pricing .price { font-size: 40px; font-weight: 700; letter-spacing: -0.03em; margin: var(--s-2) 0 var(--s-4); }
.card-pricing .price span { font-size: var(--fs-body); font-weight: 400; color: var(--color-text-muted); }
.card-pricing ul { list-style: none; padding: 0; margin: 0 0 var(--s-5); }
.card-pricing li {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border-soft);
}
.card-pricing li::before { content: "— "; color: var(--color-accent); }

.card-blog { padding: 0; overflow: hidden; }
.card-blog .blog-img { height: 160px; background: var(--color-border-soft); }
.card-blog .blog-body { padding: var(--s-4); }
.card-blog .blog-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-deep);
  margin-bottom: var(--s-2);
}
.card-blog h4 { font-size: var(--fs-h3); margin-bottom: var(--s-2); }
.card-blog p { font-size: var(--fs-small); color: var(--color-text-muted); margin: 0; }

/* Components — forms */
.label {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  margin-bottom: var(--s-2);
  color: var(--color-text);
}
.input {
  width: 100%;
  padding: 12px 0;
  border: 0;
  border-bottom: 1px solid var(--color-text);
  border-radius: 0;
  font: inherit;
  font-size: var(--fs-body);
  background: transparent;
  color: var(--color-text);
  transition: border-color var(--transition);
  outline: none;
}
.input::placeholder { color: var(--color-text-soft); }
.input:focus { border-color: var(--color-accent); }

/* Components — pills, badges, avatars */
.pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  font-size: var(--fs-small);
  font-weight: 500;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  cursor: pointer;
}
.pill-active { background: var(--color-ink); border-color: var(--color-ink); color: var(--color-bg); }
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

/* ============================================================
 * EXTENSIONS — open zone
 * ------------------------------------------------------------
 * Decoration, backgrounds, animations, and any other visual
 * vocabulary the brand references introduce. Pages reference
 * these by name (e.g. .deco-blob-1, .bg-grain, .anim-rise).
 *
 * Add freely. Use pure CSS and inline SVG data-URIs so the
 * design system stays self-contained — no external assets.
 * Showcase every extension in moodboard.html so the user
 * can see what's available.
 * ============================================================ */

/* --- Brand (navbar) ------------------------------------------------------ */
.nav-brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
[data-aicms="navbar"] a.nav-brand { font-family: var(--font-display); font-size: 17px; font-weight: 800; letter-spacing: -0.02em; }
.brand__logo { width: 28px; height: 28px; }
.nav-links { display: flex; gap: var(--s-5); }
.nav-links a::before { content: attr(data-n) " "; color: var(--color-text-soft); }
.nav-cta.btn { padding: 9px 16px; font-family: var(--font-mono); }
[data-aicms="navbar"] a.nav-cta { color: var(--color-bg); }
[data-aicms="navbar"] a.nav-cta:hover { color: #fff; }

/* --- Shared vocabulary ---------------------------------------------------- */
.mono { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0; }
.kicker {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
  display: flex; align-items: center; gap: 10px;
  margin: 0 0 var(--s-6);
}
.kicker::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--color-accent); }
.dot { color: var(--color-accent); }
.rule { border: 0; border-top: 1px solid var(--color-border); margin: 0; }

/* Numbered section: mono index on the left, content on the right. */
.sec { padding: var(--s-10) 0 0; }
.sec__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 3fr);
  gap: var(--s-5);
  border-top: 1px solid var(--color-ink);
  padding-top: var(--s-4);
  margin-bottom: var(--s-8);
}
.sec__index { font-family: var(--font-mono); font-size: 13px; color: var(--color-text-muted); padding-top: 6px; }
.sec__title { margin: 0; max-width: 16ch; }

/* --- Hero ----------------------------------------------------------------- */
.hero { padding: clamp(48px, 9vw, 120px) 0 0; }
.hero__title {
  font-size: var(--fs-display);
  line-height: 0.88;
  letter-spacing: -0.055em;
  margin: 0;
}
.hero__title > span { display: block; }
.hero__foot {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--s-6);
  align-items: end;
  margin-top: clamp(40px, 6vw, 80px);
}
.hero__lede { font-size: clamp(20px, 2vw, 24px); line-height: 1.4; letter-spacing: -0.015em; margin: 0; max-width: 34ch; }
.hero__actions { display: flex; gap: var(--s-5); align-items: center; justify-content: flex-end; flex-wrap: wrap; }

/* --- Figures (stats) ------------------------------------------------------- */
.figures {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: var(--s-9);
  border-top: 1px solid var(--color-border);
}
.figure { padding: var(--s-5) var(--s-5) 0 0; }
.figure + .figure { padding-left: var(--s-5); border-left: 1px solid var(--color-border); }
.figure__num { font-size: clamp(44px, 5.5vw, 76px); font-weight: 700; letter-spacing: -0.05em; line-height: 1; font-variant-numeric: tabular-nums; }
.figure__label { font-family: var(--font-mono); font-size: 13px; color: var(--color-text-muted); margin-top: var(--s-3); }

/* --- Services --------------------------------------------------------------- */
.services { list-style: none; margin: 0; padding: 0; }
.service {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 3fr);
  gap: var(--s-5);
  padding: var(--s-6) 0;
  border-top: 1px solid var(--color-border);
}
.service__n { font-family: var(--font-mono); font-size: 13px; color: var(--color-text-soft); padding-top: 10px; }
.service__body { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: var(--s-6); }
.service h3 { font-size: clamp(26px, 3vw, 40px); letter-spacing: -0.035em; line-height: 1.02; margin: 0; }
.service ul { list-style: none; margin: 0; padding: 0; color: var(--color-text-muted); }
.service li { padding: 6px 0 6px 22px; position: relative; }
.service li::before { content: "→"; position: absolute; left: 0; color: var(--color-text); }

/* --- Work (case studies) ---------------------------------------------------- */
.case {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 3fr);
  gap: var(--s-5);
  padding: var(--s-7) 0;
  border-top: 1px solid var(--color-border);
}
.case__n { font-family: var(--font-mono); font-size: 13px; color: var(--color-text-soft); padding-top: 10px; }
.case h3 { font-size: clamp(26px, 3vw, 40px); letter-spacing: -0.035em; line-height: 1.02; margin: 0 0 var(--s-3); }
.case p { color: var(--color-text-muted); margin: 0 0 var(--s-6); }
.case__metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-5); margin: 0; }
.case__metrics div { border-top: 1px solid var(--color-border); padding-top: var(--s-3); }
.case__metrics dt { font-size: clamp(32px, 3.6vw, 52px); font-weight: 700; letter-spacing: -0.05em; line-height: 1; font-variant-numeric: tabular-nums; }
.case__metrics dd { margin: var(--s-2) 0 0; font-family: var(--font-mono); font-size: 13px; color: var(--color-text-muted); }

/* --- Engagement ----------------------------------------------------------- */
.models { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-5); }
.model { border-top: 1px solid var(--color-border); padding-top: var(--s-4); }
.model__tag { font-family: var(--font-mono); font-size: 13px; color: var(--color-accent-deep); margin-bottom: var(--s-6); }
.model h3 { font-size: clamp(24px, 2.4vw, 32px); letter-spacing: -0.03em; margin-bottom: var(--s-3); }
.model p { color: var(--color-text-muted); margin: 0; }

/* --- Stack ------------------------------------------------------------------ */
.stack-line { font-size: clamp(28px, 3.8vw, 52px); line-height: 1.12; letter-spacing: -0.035em; font-weight: 600; margin: 0; max-width: none; }
.stack-line .muted { color: var(--color-text-soft); }

/* --- Contact band (inverse) ------------------------------------------------- */
.contact {
  margin-top: var(--s-10);
  background: var(--color-inverse-bg);
  color: var(--color-inverse-text);
  padding: clamp(64px, 10vw, 140px) 0;
}
.contact .kicker { color: var(--color-inverse-muted); }
.contact__title { font-size: var(--fs-display); line-height: 0.88; letter-spacing: -0.055em; font-weight: 800; margin: 0 0 var(--s-8); }
.contact__row { display: flex; gap: var(--s-6); align-items: center; flex-wrap: wrap; justify-content: space-between; border-top: 1px solid rgba(242, 240, 235, 0.2); padding-top: var(--s-5); }
.contact__note { font-family: var(--font-mono); font-size: 13px; color: var(--color-inverse-muted); margin: 0; }
.contact .btn-primary { background: var(--color-accent); color: #fff; font-size: 17px; padding: 18px 28px; }
.contact .btn-primary:hover { background: var(--color-inverse-text); color: var(--color-ink); }
.email-slot a {
  color: var(--color-inverse-text);
  font-size: clamp(26px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: -0.04em;
  text-decoration-thickness: 2px;
  text-underline-offset: 8px;
}
.email-slot a:hover { color: var(--color-accent); }

/* --- Footer --------------------------------------------------------------- */
[data-aicms="footer"] { background: var(--color-inverse-bg); color: var(--color-inverse-muted); border-top: 1px solid rgba(242, 240, 235, 0.12); }
.foot { display: flex; gap: var(--s-5); justify-content: space-between; align-items: center; flex-wrap: wrap; padding-top: var(--s-5); padding-bottom: var(--s-5); }
.foot p { margin: 0; }
.foot__brand { display: flex; align-items: center; gap: 10px; color: var(--color-inverse-text); }
.foot__brand img { width: 20px; height: 20px; filter: invert(1); }

/* --- Motion ----------------------------------------------------------------- */
@keyframes rise { from { opacity: 0; transform: translateY(0.25em); } to { opacity: 1; transform: none; } }
.anim-rise { animation: rise 0.9s cubic-bezier(.2, .7, .2, 1) both; }
.anim-rise:nth-child(2) { animation-delay: 0.08s; }
.anim-rise:nth-child(3) { animation-delay: 0.16s; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .anim-rise { animation: none; }
}

/* --- Responsive ------------------------------------------------------------- */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .sec { padding-top: var(--s-9); }
  .sec__head, .service, .case { grid-template-columns: minmax(0, 1fr); gap: var(--s-3); }
  .sec__head { margin-bottom: var(--s-6); }
  .service__body { grid-template-columns: minmax(0, 1fr); gap: var(--s-4); }
  .hero__foot { grid-template-columns: minmax(0, 1fr); }
  .hero__actions { justify-content: flex-start; }
  .figures { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .figure:nth-child(3) { padding-left: 0; border-left: 0; }
  .figure:nth-child(n+3) { margin-top: var(--s-5); border-top: 1px solid var(--color-border); }
  .models { grid-template-columns: minmax(0, 1fr); gap: var(--s-6); }
  .model__tag { margin-bottom: var(--s-3); }
}
@media (max-width: 560px) {
  :root { --fs-body: 17px; }
  .case__metrics { grid-template-columns: minmax(0, 1fr); gap: var(--s-4); }
  .case__metrics div { display: flex; align-items: baseline; gap: var(--s-4); }
  .case__metrics dd { margin: 0; }
  .contact .btn-primary { width: 100%; justify-content: center; }
}