/* ==========================================================================
   InventHelp — Site 6
   Business-report system · cool neutral greys, navy accent
   Geometric sans display (Jost) · Plex Sans text · Plex Mono labels
   Numbered, rule-separated sections on a structured two-column grid
   ========================================================================== */

/* --- 1. Reset ------------------------------------------------------------ */

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

html {
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body,
h1, h2, h3, p, figure, figcaption, blockquote, ul, ol, li, dl, dd {
  margin: 0;
  padding: 0;
}

ul, ol { list-style: none; }

img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 0;
}

a { color: inherit; }

/* --- 2. Tokens ----------------------------------------------------------- */

:root {
  --ink:        #12161c;
  --ink-mid:    #3c454f;
  --ink-soft:   #626d7a;
  --page:       #eef0f3;
  --panel:      #ffffff;
  --panel-alt:  #e4e7ec;
  --navy:       #16346b;
  --navy-lift:  #23509f;
  --navy-deep:  #0d2246;
  --steel:      #8d99a8;
  --rule:       #cfd5dd;
  --rule-firm:  #aab3bf;

  --display: 'Jost', 'Futura', 'Century Gothic', 'Segoe UI', sans-serif;
  --text:    'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  --mono:    'IBM Plex Mono', 'SFMono-Regular', Consolas, 'Courier New', monospace;

  --gutter: 1.5rem;
  --shell:  76rem;
  --rail:   13rem;      /* width of the numbered index column */

  --t-xs: 0.7rem;
  --t-sm: 0.82rem;
  --t-base: 1.045rem;
  --t-lg: 1.2rem;
  --t-xl: 1.55rem;
  --t-2xl: 2.05rem;
  --t-3xl: 2.9rem;
}

/* --- 3. Base ------------------------------------------------------------- */

body {
  background: var(--page);
  color: var(--ink);
  font-family: var(--text);
  font-size: var(--t-base);
  line-height: 1.72;
  font-weight: 400;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--navy);
  color: #fff;
}

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--ink);
}

a {
  color: var(--navy);
  text-decoration: none;
  box-shadow: inset 0 -1px 0 0 var(--rule-firm);
  transition: color .15s ease, box-shadow .15s ease;
}

a:hover {
  color: var(--navy-lift);
  box-shadow: inset 0 -2px 0 0 var(--navy-lift);
}

a:focus-visible {
  outline: 2px solid var(--navy-lift);
  outline-offset: 3px;
  box-shadow: none;
}

strong { font-weight: 600; }

.wrap {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* --- 4. Masthead --------------------------------------------------------- */

.site-header {
  background: var(--panel);
  border-bottom: 3px solid var(--navy);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  padding-top: 1.15rem;
  padding-bottom: 1.15rem;
}

.brand {
  display: block;
  box-shadow: none;
  flex: 0 0 auto;
}

.brand:hover { box-shadow: none; }

.brand img {
  width: 176px;
  height: auto;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.4rem;
}

.site-nav a {
  font-family: var(--mono);
  font-size: var(--t-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mid);
  padding: 0.5rem 0.75rem;
  border: 1px solid transparent;
  box-shadow: none;
}

.site-nav a:hover {
  color: var(--navy);
  border-color: var(--rule);
  background: var(--page);
  box-shadow: none;
}

.site-nav a[aria-current="page"] {
  color: #fff;
  background: var(--navy);
  border-color: var(--navy);
}

/* --- 5. Report head ------------------------------------------------------ */

.report-head {
  background: var(--panel);
  border-bottom: 1px solid var(--rule);
}

.report-head .wrap {
  padding-top: 3.4rem;
  padding-bottom: 2.6rem;
}

.kicker {
  display: inline-block;
  font-family: var(--mono);
  font-size: var(--t-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy);
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--navy);
  margin-bottom: 1.6rem;
}

.report-head h1 {
  font-size: var(--t-3xl);
  max-width: 22ch;
  margin-bottom: 1.3rem;
}

.standfirst {
  font-size: var(--t-lg);
  line-height: 1.55;
  color: var(--ink-mid);
  max-width: 56ch;
  font-weight: 300;
}

.byline {
  display: block;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  max-width: 26rem;
}

/* --- 6. Hero ------------------------------------------------------------- */

.hero {
  background: var(--panel);
  border-bottom: 1px solid var(--rule);
}

.hero .wrap {
  padding-top: 0;
  padding-bottom: 3rem;
}

.hero-frame {
  border: 1px solid var(--rule-firm);
  padding: 0.6rem;
  background: var(--panel-alt);
}

.hero-frame img {
  width: 100%;
  aspect-ratio: 1820 / 1213;
  object-fit: cover;
}

/* --- 7. Report body ------------------------------------------------------ */

.report {
  padding-top: 3.2rem;
  padding-bottom: 1rem;
}

.lede {
  font-size: var(--t-lg);
  line-height: 1.6;
  color: var(--ink);
  max-width: 62ch;
  font-weight: 400;
  border-left: 3px solid var(--navy);
  padding-left: 1.4rem;
  margin-bottom: 1.8rem;
}

.intro p {
  max-width: 68ch;
  margin-bottom: 1.15rem;
  color: var(--ink-mid);
}

/* Numbered, rule-separated section blocks */

.sect {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  gap: 0 3rem;
  border-top: 1px solid var(--rule-firm);
  padding-top: 2.1rem;
  margin-top: 2.8rem;
}

.sect-index {
  position: relative;
}

.sect-num {
  display: block;
  font-family: var(--mono);
  font-size: 2.1rem;
  font-weight: 500;
  line-height: 1;
  color: var(--steel);
  letter-spacing: -0.03em;
}

.eyebrow {
  display: block;
  margin-top: 0.7rem;
  font-family: var(--mono);
  font-size: var(--t-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
  line-height: 1.5;
}

.sect-main h2 {
  font-size: var(--t-2xl);
  max-width: 24ch;
  margin-bottom: 1.2rem;
}

.sect-main h3 {
  font-size: var(--t-lg);
  font-weight: 600;
  margin: 1.9rem 0 0.7rem;
}

.sect-main p {
  max-width: 68ch;
  margin-bottom: 1.15rem;
}

/* Definition-style data rows — the report-document texture */

.datarow {
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr);
  gap: 0 1.6rem;
  padding: 0.85rem 0;
  max-width: 68ch;
}

.datarow:last-of-type { border-bottom: 1px solid var(--rule); }

.datarow dt {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  padding-top: 0.28rem;
}

.datarow dd {
  font-size: var(--t-sm);
  line-height: 1.65;
  color: var(--ink-mid);
}

.datalist { margin: 1.5rem 0 1.9rem; }

/* Pull quotes */

.pullquote {
  margin: 2.2rem 0;
  background: var(--panel);
  border-top: 3px solid var(--navy);
  border-bottom: 1px solid var(--rule);
  padding: 1.8rem 2rem 1.5rem;
  max-width: 68ch;
}

.pullquote p {
  font-family: var(--display);
  font-size: var(--t-xl);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--navy-deep);
  max-width: none;
  margin-bottom: 0.9rem;
}

.pullquote .attrib {
  display: block;
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* Figures */

.fig {
  margin: 2.3rem 0;
  background: var(--panel);
  border: 1px solid var(--rule);
  padding: 0.7rem 0.7rem 0;
}

.fig img { width: 100%; }

.fig-cap {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  padding: 0.75rem 0.2rem 0.85rem;
  border-top: 1px solid var(--rule);
  margin-top: 0.7rem;
}

.fig-cap b {
  color: var(--navy);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-right: 0.55rem;
}

/* A figure that breaks the rail grid and runs the full column width */
.fig-wide { grid-column: 1 / -1; }

/* Closing line */

.endline {
  border-top: 3px solid var(--navy);
  margin-top: 3rem;
  padding: 1.4rem 0 3.6rem;
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* --- 8. Footer ----------------------------------------------------------- */

.site-footer {
  background: var(--navy-deep);
  color: #c7cfdb;
  border-top: 3px solid var(--navy-lift);
}

.site-footer .wrap {
  padding-top: 3rem;
  padding-bottom: 2.6rem;
}

.site-footer a {
  color: #dfe6f0;
  box-shadow: none;
}

.site-footer a:hover {
  color: #fff;
  box-shadow: inset 0 -1px 0 0 rgba(255, 255, 255, 0.55);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.4rem 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.footer-mark img {
  width: 172px;
  height: auto;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.6rem;
}

.footer-nav a {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Injected three-column link block */

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.4rem 2.6rem;
  padding: 2.4rem 0 2.2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.footer-cols h2 {
  font-family: var(--mono);
  font-size: var(--t-xs);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #fff;
  padding-bottom: 0.7rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--navy-lift);
  line-height: 1.5;
}

.footer-cols ul li {
  font-size: var(--t-sm);
  line-height: 1.5;
  padding: 0.32rem 0;
  color: #b8c2d1;
}

.footer-cols a {
  color: #ccd6e4;
  box-shadow: none;
}

.footer-cols a:hover {
  color: #fff;
  box-shadow: inset 0 -1px 0 0 rgba(255, 255, 255, 0.5);
}

.copyright {
  margin-top: 1.8rem;
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: 0.1em;
  color: #93a1b6;
}

/* --- 9. Responsive ------------------------------------------------------- */

@media (max-width: 900px) {
  :root {
    --t-3xl: 2.3rem;
    --t-2xl: 1.8rem;
  }

  .sect {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .sect-index {
    display: flex;
    align-items: baseline;
    gap: 0.9rem;
    margin-bottom: 1rem;
  }

  .sect-num { font-size: 1.5rem; }

  .eyebrow { margin-top: 0; }

  .report-head h1 { max-width: none; }

  .sect-main h2 { max-width: 30ch; }

  .footer-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  :root {
    --gutter: 1.15rem;
    --t-3xl: 1.95rem;
    --t-2xl: 1.55rem;
    --t-xl: 1.28rem;
    --t-lg: 1.08rem;
    --t-base: 1rem;
  }

  body { line-height: 1.68; }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.9rem;
  }

  .brand img { width: 148px; }

  .site-nav { gap: 0.3rem; }

  .site-nav a { padding: 0.42rem 0.6rem; }

  .report-head .wrap {
    padding-top: 2.4rem;
    padding-bottom: 2rem;
  }

  .lede { padding-left: 1rem; }

  .datarow {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.3rem;
  }

  .datarow dt { padding-top: 0; }

  .pullquote { padding: 1.4rem 1.2rem 1.2rem; }

  .fig { padding: 0.5rem 0.5rem 0; }

  .footer-cols {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.8rem;
  }

  .footer-top {
    flex-direction: column;
    align-items: flex-start;
  }
}