/* Fulcrum VDC — marketing site
   Built to the Fulcrum VDC Brand Guidelines v1.0.
   Palette, type, and proportions derive from that document — do not
   freelance new colors or typefaces. */

/* ─── palette ─── */
:root {
  /* Primary */
  --ink:   #1A1814;   /* warm charcoal — bg everywhere */
  --lime:  #C6FF3D;   /* brand spark — CTAs, stamps, accents */
  --bone:  #F2EFE8;   /* warm white — foreground type on dark */

  /* Support */
  --ink2:  #0F0D0A;   /* deepest charcoal — inverse, footers */
  --lime2: #9BCC2F;   /* dim lime — pressed/hover states */
  --ash:   #7A7468;   /* muted mono — secondary type, captions */
  --line:  #2A2620;   /* hairline — strokes, dividers, borders */

  /* Semantic */
  --bg: var(--ink);
  --surface: #221F1A;          /* between ink and ink2 — slight elevation */
  --text: var(--bone);
  --text-dim: var(--ash);
  --accent: var(--lime);
  --border: var(--line);

  /* Geometry */
  --radius: 0;                 /* square corners — industrial */
  --max-w: 1140px;
  --max-w-narrow: 760px;
}

/* ─── reset / base ─── */
* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Archivo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 400;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { max-width: 100%; display: block; }

::selection { background: var(--lime); color: var(--ink); }

/* ─── typography ─── */
h1, h2, .display {
  font-family: 'Anton', 'Impact', 'Arial Narrow', sans-serif;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--bone);
  line-height: 0.9;
  margin: 0 0 20px;
}
h1 {
  font-size: clamp(48px, 7vw, 88px);
  line-height: 0.88;
  margin: 0 0 28px;
}
h2 {
  font-size: clamp(30px, 4vw, 42px);
}
h3 {
  /* Per § 13: H3 is Archivo Black, not Anton */
  font-family: 'Archivo', sans-serif;
  font-weight: 900;
  text-transform: none;
  letter-spacing: 0;
  font-size: 16px;
  line-height: 1.3;
  margin: 0 0 8px;
  color: var(--bone);
}

p { margin: 12px 0; color: var(--bone); }
p.muted, .muted { color: var(--ash); }
p.lede {
  font-size: 18px;
  line-height: 1.55;
  color: var(--bone);
  margin: 0 0 32px;
  max-width: 60ch;
}

strong { font-weight: 700; color: var(--bone); }

/* Eyebrow + caption — JetBrains Mono */
.eyebrow {
  display: inline-block;
  font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 11px;
  color: var(--lime);
  margin: 0 0 24px;
}
.caption {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 10px;
  color: var(--ash);
}

/* ─── links ─── */
a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s, color 0.15s;
}
a:hover { border-bottom-color: var(--lime); }
a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

/* ─── brand lockup (HTML + CSS, per § 03 spec) ─── */
.lockup {
  display: inline-flex;
  align-items: stretch;
  gap: 0.1em;                    /* 0.10x per spec */
  font-family: 'Anton', 'Impact', 'Arial Narrow', sans-serif;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  text-decoration: none;
  border: 0;
  line-height: 0.85;
  font-size: 22px;                /* default — override per context */
}
.lockup:hover { border: 0; }
.lockup__word {
  color: var(--bone);
  display: inline-block;
  line-height: 0.85;
}
.lockup__stamp {
  background: var(--lime);
  color: var(--ink);
  font-size: 1.18em;              /* 1.18× per spec */
  line-height: 0.72;              /* 0.72 per spec */
  padding: 0 0.1em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ─── header ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(26, 24, 20, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-header .lockup { font-size: 22px; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-nav a:not(.btn) {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 11px;
  color: var(--bone);
  border-bottom: 1px solid transparent;
}
.site-nav a:not(.btn):hover { color: var(--lime); border-bottom-color: transparent; }
.site-nav a.is-active { color: var(--lime); }

/* ─── buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  font-family: 'Anton', 'Impact', 'Arial Narrow', sans-serif;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-size: 15px;
  line-height: 1;
  border: 1px solid var(--bone);
  border-radius: var(--radius);
  background: transparent;
  color: var(--bone);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.btn:hover {
  background: var(--bone);
  color: var(--ink);
  border-color: var(--bone);
  border-bottom: 1px solid var(--bone);
}
.btn-primary {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}
.btn-primary:hover {
  background: var(--lime2);
  border-color: var(--lime2);
  color: var(--ink);
}
.btn-ghost {
  border-color: var(--line);
}
.btn-ghost:hover {
  background: var(--line);
  color: var(--bone);
  border-color: var(--line);
}
.btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* ─── sections / layout ─── */
.section {
  padding: 96px 28px;
}
.section--tight { padding: 64px 28px; }
.section + .section { border-top: 1px solid var(--line); }
.section__inner { max-width: var(--max-w); margin: 0 auto; }
.section__inner--narrow { max-width: var(--max-w-narrow); }

.section-head {
  display: flex;
  flex-direction: column;
  margin-bottom: 48px;
}
.section-head h2 { margin-bottom: 12px; }
.section-head p { color: var(--ash); max-width: 60ch; margin: 0; }

/* ─── hero ─── */
.hero {
  padding: 120px 28px 100px;
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.hero::after {
  /* subtle ground-line per brand cues — thin LIME2 hairline */
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--lime2);
  opacity: 0.18;
}
.hero__inner { max-width: var(--max-w); margin: 0 auto; }
.hero h1 { max-width: 16ch; }
.hero p {
  font-size: 18px;
  max-width: 60ch;
  color: var(--bone);
  margin: 0 0 36px;
}
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* ─── tagline (verbatim per § 14) ─── */
.tagline {
  font-family: 'Anton', 'Impact', sans-serif;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 0.9;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 400;
  margin: 0;
}
.tagline__l1 { display: block; color: var(--bone); }
.tagline__l2 { display: block; color: var(--lime); }

/* ─── cards (border-only, sharp corners) ─── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  border: 1px solid var(--line);
  padding: 32px;
  display: flex;
  flex-direction: column;
  background: transparent;
}
.card .eyebrow { margin-bottom: 18px; }
.card h3 { margin-bottom: 12px; }
.card p { margin: 0 0 24px; color: var(--bone); flex: 1; }
.card__actions { display: flex; gap: 10px; flex-wrap: wrap; }
.card--placeholder {
  border-style: dashed;
  align-items: flex-start;
  justify-content: center;
  min-height: 200px;
}
.card--placeholder p { color: var(--ash); margin: 0; }

/* ─── service cards (more detail) ─── */
.service {
  border: 1px solid var(--line);
  padding: 36px;
  display: flex;
  flex-direction: column;
}
.service .eyebrow { margin-bottom: 14px; }
.service h2 {
  font-size: clamp(28px, 3.2vw, 38px);
  margin-bottom: 14px;
}
.service p { margin: 0 0 20px; }
.service ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.service li {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--bone);
  padding: 10px 0;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.service li::before {
  content: '+';
  color: var(--lime);
  font-weight: 700;
  flex-shrink: 0;
}
.service li:first-of-type { border-top: 1px solid var(--line); margin-top: 8px; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

/* ─── features (smaller, horizontal) ─── */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 36px;
}
.feature .eyebrow { font-size: 10px; margin-bottom: 10px; }
.feature h3 { font-size: 15px; margin-bottom: 8px; }
.feature p { font-size: 14px; color: var(--ash); margin: 0; }

/* ─── pricing ─── */
.pricing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.pricing-card {
  border: 1px solid var(--line);
  padding: 32px;
}
.pricing-card .eyebrow { margin-bottom: 12px; }
.pricing-card h3 { margin-bottom: 16px; }
.pricing-card__price {
  font-family: 'Anton', 'Impact', sans-serif;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  font-size: 56px;
  line-height: 1;
  color: var(--lime);
  margin: 0;
}
.pricing-card__unit {
  display: block;
  margin-top: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ash);
}
.pricing-card ul {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}
.pricing-card li {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--bone);
  padding: 10px 0;
  border-top: 1px solid var(--line);
}
.pricing-card li:last-child { padding-bottom: 0; }

/* ─── CTA strip — high-impact INK on LIME (§ 10) ─── */
.cta-strip {
  background: var(--lime);
  color: var(--ink);
  padding: 96px 28px;
  text-align: center;
  border-top: 1px solid var(--lime);
  border-bottom: 1px solid var(--lime);
}
.cta-strip__inner { max-width: var(--max-w-narrow); margin: 0 auto; }
.cta-strip h2 { color: var(--ink); margin: 0 0 16px; }
.cta-strip p { color: var(--ink); margin: 0 0 32px; opacity: 0.85; }
.cta-strip .eyebrow { color: var(--ink); }
.cta-strip .btn {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--lime);
}
.cta-strip .btn:hover {
  background: var(--ink2);
  border-color: var(--ink2);
  color: var(--lime);
}
.cta-strip a {
  color: var(--ink);
  border-bottom-color: var(--ink);
}
/* Tagline on LIME bg — both lines INK (BONE-on-LIME has near-zero contrast,
   per § 10). The brand-default BONE/LIME split is only for INK backgrounds. */
.cta-strip .tagline__l1,
.cta-strip .tagline__l2 {
  color: var(--ink);
}

/* ─── tagline block (alternative to cta-strip) ─── */
.tagline-block {
  background: var(--ink2);
  padding: 96px 28px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.tagline-block__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

/* ─── prose pages (about / privacy) ─── */
.prose h2 {
  margin-top: 56px;
  margin-bottom: 20px;
}
.prose h2:first-of-type { margin-top: 32px; }
.prose ul {
  margin: 16px 0;
  padding-left: 22px;
  color: var(--bone);
}
.prose li { margin: 8px 0; }

/* ─── footer ─── */
.site-footer {
  background: var(--ink2);
  border-top: 1px solid var(--line);
  padding: 80px 28px 40px;
}
.site-footer__inner { max-width: var(--max-w); margin: 0 auto; }

.site-footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
}
.site-footer__tagline .tagline { font-size: clamp(40px, 5vw, 56px); }

.site-footer__nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.site-footer__nav-group h4 {
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 10px;
  color: var(--lime);
  margin: 0 0 14px;
  font-weight: 500;
}
.site-footer__nav-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.site-footer__nav-group a {
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 11px;
  color: var(--bone);
}
.site-footer__nav-group a:hover { color: var(--lime); border: 0; }

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  justify-content: space-between;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 10px;
  color: var(--ash);
}
.site-footer__bottom .lockup { font-size: 16px; }

/* ─── utilities ─── */
.spacer-sm { height: 16px; }
.spacer-md { height: 32px; }
.spacer-lg { height: 64px; }
.text-lime { color: var(--lime); }
.text-bone { color: var(--bone); }

/* ─── responsive ─── */
@media (max-width: 800px) {
  .site-footer__top {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}
@media (max-width: 640px) {
  .hero { padding: 80px 20px 64px; }
  .section { padding: 64px 20px; }
  .section--tight { padding: 40px 20px; }
  .cta-strip, .tagline-block { padding: 64px 20px; }
  .site-header__inner { padding: 14px 18px; gap: 14px; }
  .site-nav { gap: 14px; }
  .site-nav a { font-size: 10px; letter-spacing: 0.1em; }
  .site-header .lockup { font-size: 18px; }
  .site-footer { padding: 56px 20px 32px; }
  .site-footer__nav { grid-template-columns: 1fr; }
  .pricing-card__price { font-size: 44px; }
}