/* =============================================================
   Karmodyne — karmodyne.com
   Editorial data-consultancy aesthetic.
   Pure HTML + CSS. No frameworks, no build step, no JavaScript.
   ============================================================= */

/* --------------------------------------------------- Tokens */
:root {
  --paper: #f5f2ec;
  --paper-2: #efeae1;
  --paper-3: #e7e0d4;
  --paper-white: #fffdf9;

  --navy: #172a42;
  --navy-soft: #33475f;
  --muted: #5b6572;
  --faint: #8b9199;

  --teal: #2f6b64;
  --teal-dark: #245149;
  --teal-light: #7fb8af;

  --amber: #a9791c;
  --amber-soft: #b8922f;
  --coral: #ad4f47;

  --rule: #ddd6c9;
  --rule-strong: #cabfae;
  --ink-band: #14243a;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --shell: 1100px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--navy);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }
h1, h2, h3, h4 { margin: 0; font-weight: 400; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
table { border-collapse: collapse; }

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--navy); color: var(--paper);
  padding: 12px 18px; font-size: .9rem;
}
.skip-link:focus { left: 0; }

section[id] { scroll-margin-top: 84px; }

/* -------------------------------------------------- Layout */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: 32px;
}

.section {
  padding-block: clamp(60px, 8vw, 112px);
  border-top: 1px solid var(--rule);
}
.section--paper-2 { background: var(--paper-2); }

/* ------------------------------------------------- Masthead */
.masthead {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}
.masthead__inner {
  display: flex;
  align-items: center;
  gap: 40px;
  min-height: 66px;
}
.wordmark { display: inline-flex; align-items: center; gap: 11px; }
.wordmark__mark { border-radius: 7px; }
.wordmark__name {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--navy);
}
.masthead__nav {
  margin-left: auto;
  display: flex;
  gap: 30px;
  font-size: .9rem;
}
.masthead__nav a {
  color: var(--navy-soft);
  padding: 2px 0;
  border-bottom: 1px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.masthead__nav a:hover { color: var(--teal-dark); border-bottom-color: var(--teal); }
.masthead__cta {
  font-size: .88rem;
  font-weight: 600;
  color: var(--navy);
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  padding: 8px 16px;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.masthead__cta:hover { background: var(--navy); color: var(--paper); border-color: var(--navy); }

/* ----------------------------------------------------- Hero */
.hero { padding-block: clamp(60px, 9vw, 124px) clamp(48px, 7vw, 84px); }
.kicker {
  font-size: .74rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--teal);
}
.hero__title {
  font-family: var(--serif);
  font-size: clamp(2.35rem, 5.4vw, 4.05rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--navy);
  max-width: 19ch;
  margin-top: 20px;
}
.hero__lead {
  margin-top: 26px;
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  line-height: 1.6;
  color: var(--navy-soft);
  max-width: 60ch;
}
.hero__actions {
  margin-top: 38px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 28px;
}

/* Editorial call-to-action links */
.link-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .005em;
}
.link-cta--solid {
  background: var(--navy);
  color: var(--paper);
  padding: 13px 24px;
  border-radius: 2px;
  transition: background-color .16s ease;
}
.link-cta--solid:hover { background: var(--teal-dark); }
.link-cta:not(.link-cta--solid):not(.link-cta--light) {
  color: var(--navy-soft);
  padding-bottom: 3px;
  border-bottom: 1px solid var(--rule-strong);
  transition: color .16s ease, border-color .16s ease;
}
.link-cta:not(.link-cta--solid):not(.link-cta--light):hover { color: var(--teal-dark); border-bottom-color: var(--teal); }

/* Hero flow diagram */
.flow {
  margin: clamp(48px, 7vw, 88px) 0 0;
  border-top: 1px solid var(--rule-strong);
  padding-top: 20px;
}
.flow__caption { font-size: .82rem; color: var(--muted); }
.flow__caption span { color: var(--amber); font-weight: 600; }
.flow__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 18px;
}
.flow__step {
  position: relative;
  font-size: .96rem;
  font-weight: 500;
  color: var(--navy);
  padding-right: 28px;
}
.flow__step::before {
  content: "";
  display: block;
  width: 22px;
  height: 1px;
  background: var(--teal);
  margin-bottom: 12px;
}
.flow__step:not(:last-child)::after {
  content: "\2192";
  position: absolute;
  right: 10px;
  top: 32px;
  color: var(--faint);
  font-size: .95rem;
}

/* ---------------------------------------------- Section heads */
.section__head {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: clamp(28px, 4vw, 64px);
  align-items: start;
  margin-bottom: clamp(40px, 5vw, 66px);
}
.section__label {
  font-size: .74rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--teal);
  padding-top: 8px;
}
.section__label--light { color: var(--teal-light); }
.section__title {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--navy);
}
.section__lead {
  margin-top: 16px;
  font-size: 1.05rem;
  color: var(--navy-soft);
  max-width: 62ch;
}

/* --------------------------------------------------- Layers */
.layers { display: grid; grid-template-columns: repeat(3, 1fr); }
.layer { padding-inline: clamp(22px, 3vw, 42px); border-left: 1px solid var(--rule); }
.layer:first-child { border-left: 0; padding-left: 0; }
.layer:last-child { padding-right: 0; }
.layer__num {
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
}
.layer__title {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--navy);
  margin-top: 10px;
}
.layer__desc { margin-top: 10px; font-size: .95rem; color: var(--muted); line-height: 1.6; }

/* Rule-separated list */
.stack { margin-top: 20px; }
.stack li {
  padding: 11px 0;
  border-top: 1px solid var(--rule);
  font-size: .95rem;
  color: var(--navy-soft);
}
.stack--lg li { padding: 17px 0; font-size: 1rem; }
.stack li strong { color: var(--navy); font-weight: 600; }

/* ---------------------------------------------------- Paths */
.paths { display: grid; grid-template-columns: 1fr 1fr; }
.path { padding-right: clamp(30px, 4vw, 58px); }
.path + .path { border-left: 1px solid var(--rule); padding-left: clamp(30px, 4vw, 58px); padding-right: 0; }
.path__title { font-family: var(--serif); font-size: 1.32rem; font-weight: 600; color: var(--navy); }
.path__sub { margin-top: 10px; font-size: .96rem; color: var(--muted); font-style: italic; }
.path .stack { margin-top: 22px; }

/* ---------------------------------------------- Architecture */
.arch { display: grid; grid-template-columns: repeat(5, 1fr); }
.arch__stage {
  position: relative;
  border-top: 1px solid var(--navy);
  padding: 26px 24px 0 0;
}
.arch__node {
  position: absolute;
  top: -3.5px;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--teal);
  border-radius: 1px;
}
.arch__index {
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
}
.arch__name { display: block; margin-top: 8px; font-size: .97rem; font-weight: 600; color: var(--navy); }
.arch__note { display: block; margin-top: 6px; font-size: .84rem; color: var(--muted); line-height: 1.45; padding-right: 10px; }
.arch__caption {
  margin-top: 36px;
  max-width: 64ch;
  padding-left: 20px;
  border-left: 2px solid var(--amber);
  font-family: var(--serif);
  font-size: 1.1rem;
  line-height: 1.5;
  color: var(--navy-soft);
}

/* ------------------------------------------- Report / dashboard */
.report {
  margin: 0;
  background: var(--paper-white);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
}
.report__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 26px;
  border-bottom: 1px solid var(--rule);
}
.report__titles { display: flex; flex-direction: column; gap: 2px; }
.report__title { font-family: var(--serif); font-size: 1.06rem; font-weight: 600; color: var(--navy); }
.report__sub { font-size: .8rem; color: var(--muted); }
.report__tag {
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--amber);
  white-space: nowrap;
}

/* Key figures */
.figures { display: grid; grid-template-columns: repeat(6, 1fr); border-bottom: 1px solid var(--rule); }
.fig {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 22px;
  border-right: 1px solid var(--rule);
}
.fig:last-child { border-right: 0; }
.fig__label { font-size: .74rem; color: var(--muted); }
.fig__value {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.fig__delta { font-size: .73rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.fig__delta--up { color: var(--teal-dark); }
.fig__delta--down { color: var(--coral); }

/* Report blocks */
.report__block { padding: 26px; border-bottom: 1px solid var(--rule); }
.report__block--table { padding-bottom: 10px; }
.report__block--channels { border-bottom: 0; }
.report__blockhead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
}
.report__blocktitle { font-size: .95rem; font-weight: 600; color: var(--navy); }
.report__blockmeta { font-size: .75rem; color: var(--faint); white-space: nowrap; }

.report__duo { display: grid; grid-template-columns: 1fr 1fr; }
.report__duo .report__block:first-child { border-right: 1px solid var(--rule); }

/* Line chart */
.line-chart { width: 100%; height: 220px; display: block; }
.line-chart__grid line { stroke: var(--paper-3); stroke-width: 1; }
.line-chart__area { fill: var(--teal); opacity: .07; }
.line-chart__line { fill: none; stroke: var(--teal); stroke-width: 1.6; stroke-linejoin: round; stroke-linecap: round; }
.line-chart__axis {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  font-size: .72rem;
  color: var(--faint);
}

/* Column chart */
.columns { display: flex; align-items: flex-end; gap: 18px; height: 176px; padding-top: 18px; }
.col { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; height: 100%; }
.col__v { order: 1; margin-bottom: 8px; font-size: .8rem; font-weight: 700; color: var(--navy-soft); font-variant-numeric: tabular-nums; }
.col__bar { order: 2; width: 100%; max-width: 44px; height: var(--h); background: var(--teal); border-radius: 1px 1px 0 0; }
.col__bar--amber { background: var(--amber-soft); }
.col__bar--coral { background: var(--coral); }
.col__x { order: 3; margin-top: 8px; font-size: .72rem; color: var(--muted); }

/* Horizontal rule bars */
.lines { display: grid; gap: 16px; }
.line { display: grid; grid-template-columns: 78px 1fr 34px; align-items: center; gap: 12px; }
.line__label { font-size: .8rem; color: var(--muted); }
.line__track { height: 7px; background: var(--paper-3); overflow: hidden; }
.line__fill { display: block; height: 100%; width: var(--w); background: var(--teal); }
.line__fill--amber { background: var(--amber-soft); }
.line__fill--coral { background: var(--coral); }
.line__v { font-size: .8rem; font-weight: 600; color: var(--navy-soft); text-align: right; font-variant-numeric: tabular-nums; }

/* Data table */
.table-scroll { overflow-x: auto; }
.data-table { width: 100%; font-size: .9rem; }
.data-table th, .data-table td { padding: 12px 10px; text-align: left; border-bottom: 1px solid var(--rule); }
.data-table thead th {
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  border-bottom: 1px solid var(--rule-strong);
}
.data-table tbody th { font-weight: 600; color: var(--navy); }
.data-table td { color: var(--navy-soft); }
.data-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table tbody tr:hover { background: #faf7f1; }
.data-table tfoot th, .data-table tfoot td {
  border-bottom: 0;
  border-top: 1px solid var(--rule-strong);
  padding-top: 14px;
  font-weight: 700;
  color: var(--navy);
}

/* Channels */
.channels { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 44px; }
.channel { display: grid; grid-template-columns: 78px 1fr 30px; align-items: center; gap: 12px; }
.channel__label { font-size: .8rem; color: var(--muted); }
.channel__track { height: 7px; background: var(--paper-3); overflow: hidden; }
.channel__fill { display: block; height: 100%; width: var(--w); background: var(--teal); }
.channel__fill--amber { background: var(--amber-soft); }
.channel__v { font-size: .8rem; font-weight: 600; color: var(--navy-soft); text-align: right; font-variant-numeric: tabular-nums; }

.report__foot {
  padding: 14px 26px;
  font-size: .8rem;
  color: var(--muted);
  background: var(--paper-2);
}

/* --------------------------------------------------- Q & A */
.qa__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: clamp(40px, 5vw, 60px);
}
.qa__step { padding: 0 clamp(22px, 3vw, 42px); border-left: 1px solid var(--rule); }
.qa__step:first-child { border-left: 0; padding-left: 0; }
.qa__step:last-child { padding-right: 0; }
.qa__stepnum { font-size: .75rem; letter-spacing: .14em; color: var(--teal); font-variant-numeric: tabular-nums; }
.qa__step h3 { font-family: var(--serif); font-size: 1.18rem; font-weight: 600; color: var(--navy); margin-top: 8px; }
.qa__step p { margin-top: 8px; font-size: .92rem; color: var(--muted); line-height: 1.55; }

.exchange { max-width: 880px; border-top: 1px solid var(--rule-strong); }
.exchange__row { padding: 26px 0; border-bottom: 1px solid var(--rule); }
.exchange__role { display: block; font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.exchange__row p {
  margin-top: 12px;
  font-family: var(--serif);
  font-size: 1.18rem;
  line-height: 1.35;
  color: var(--navy);
}
.exchange__row--answer p { font-weight: 600; }
.evidence { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 44px; margin: 26px 0 0; }
.evidence__item dt { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); }
.evidence__item dd { margin: 6px 0 0; font-size: .95rem; color: var(--navy-soft); }
.drill { color: var(--teal-dark); font-weight: 600; }
.exchange__note { margin-top: 20px; font-size: .85rem; color: var(--muted); }

/* ------------------------------------------------- Use cases */
.uses { display: grid; }
.use {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: clamp(28px, 4vw, 66px);
  padding: 34px 0;
  border-top: 1px solid var(--rule);
}
.uses .use:last-child { border-bottom: 1px solid var(--rule); }
.use__num { font-size: .78rem; letter-spacing: .14em; color: var(--faint); font-variant-numeric: tabular-nums; }
.use__title { font-family: var(--serif); font-size: 1.38rem; font-weight: 600; color: var(--navy); margin-top: 8px; }
.use__detail { display: grid; gap: 14px; margin: 0; }
.use__detail > div { display: grid; grid-template-columns: 160px 1fr; gap: 4px 26px; align-items: baseline; }
.use__detail dt { font-size: .73rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.use__detail dd { margin: 0; font-size: .98rem; color: var(--navy-soft); }
.uses__note {
  margin-top: 36px;
  padding-left: 20px;
  border-left: 2px solid var(--teal);
  font-size: 1.02rem;
  color: var(--navy);
}

/* ------------------------------------------------- Final CTA */
.section--ink {
  background: var(--ink-band);
  border-top: 0;
  color: #c7d1dc;
}
.cta__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(36px, 5vw, 82px);
  align-items: start;
}
.cta__title {
  font-family: var(--serif);
  font-size: clamp(1.85rem, 3.4vw, 2.7rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #f3f1ea;
  margin-top: 16px;
}
.cta__lead { margin-top: 18px; font-size: 1.06rem; color: #aeb9c6; max-width: 46ch; }
.link-cta--light {
  margin-top: 30px;
  color: #f3f1ea;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(255, 255, 255, .42);
  transition: color .16s ease, border-color .16s ease;
}
.link-cta--light:hover { color: var(--teal-light); border-bottom-color: var(--teal-light); }
.cta__direct { margin-top: 16px; font-size: .9rem; color: #93a1b0; }
.cta__direct a { color: #9fd0c8; text-decoration: underline; text-underline-offset: 3px; }

/* Contact form */
.contact {
  background: var(--paper-white);
  border-radius: 4px;
  padding: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.contact__title { grid-column: 1 / -1; font-family: var(--serif); font-size: 1.22rem; font-weight: 600; color: var(--navy); }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .78rem; font-weight: 600; color: var(--navy-soft); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  background: #faf7f1;
  font-size: .95rem;
  color: var(--navy);
  transition: border-color .15s ease, background-color .15s ease, box-shadow .15s ease;
}
.field textarea { resize: vertical; min-height: 100px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--teal);
  background: var(--paper-white);
  box-shadow: 0 0 0 3px rgba(47, 107, 100, .14);
}
.contact__submit {
  grid-column: 1 / -1;
  margin-top: 4px;
  padding: 13px 22px;
  border: 0;
  border-radius: 2px;
  background: var(--ink-band);
  color: #f3f1ea;
  font-weight: 600;
  font-size: .98rem;
  cursor: pointer;
  transition: background-color .16s ease;
}
.contact__submit:hover { background: var(--teal-dark); }
.contact__hint { grid-column: 1 / -1; font-size: .78rem; color: var(--muted); text-align: center; }

/* -------------------------------------------------- Footer */
.site-footer {
  background: var(--paper);
  border-top: 1px solid var(--rule);
  padding-block: 48px;
  color: var(--muted);
}
.site-footer__inner { display: grid; gap: 18px; }
.site-footer__nav { display: flex; flex-wrap: wrap; gap: 22px; font-size: .88rem; }
.site-footer__nav a { color: var(--navy-soft); }
.site-footer__nav a:hover { color: var(--teal-dark); }
.site-footer__note { font-size: .85rem; max-width: 72ch; color: var(--muted); }
.site-footer__legal { font-size: .8rem; color: var(--faint); }

/* =============================================================
   Responsive
   ============================================================= */
@media (max-width: 960px) {
  .masthead__nav { display: none; }
  .masthead__cta { margin-left: auto; }

  .section__head { grid-template-columns: 1fr; gap: 14px; }

  .layers { grid-template-columns: 1fr; }
  .layer { border-left: 0; border-top: 1px solid var(--rule); padding: 28px 0 0; }
  .layer:first-child { border-top: 0; padding-top: 0; }

  .paths { grid-template-columns: 1fr; }
  .path { padding-right: 0; }
  .path + .path { border-left: 0; border-top: 1px solid var(--rule); padding-left: 0; padding-top: 30px; margin-top: 30px; }

  .arch { grid-template-columns: 1fr; }
  .arch__stage { padding: 24px 0 0; }
  .arch__note { padding-right: 0; }

  .figures { grid-template-columns: repeat(3, 1fr); }
  .fig:nth-child(3n) { border-right: 0; }
  .fig:nth-child(-n+3) { border-bottom: 1px solid var(--rule); }

  .report__duo { grid-template-columns: 1fr; }
  .report__duo .report__block:first-child { border-right: 0; }

  .qa__steps { grid-template-columns: 1fr; }
  .qa__step { border-left: 0; border-top: 1px solid var(--rule); padding: 22px 0 0; }
  .qa__step:first-child { border-top: 0; padding-top: 0; }

  .use { grid-template-columns: 1fr; gap: 18px; }

  .cta__inner { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .shell { padding-inline: 20px; }
  body { font-size: 16px; }

  .flow__steps { grid-template-columns: 1fr 1fr; gap: 22px 0; }
  .flow__step:not(:last-child)::after { display: none; }

  .figures { grid-template-columns: repeat(2, 1fr); }
  .fig:nth-child(3n) { border-right: 1px solid var(--rule); }
  .fig:nth-child(2n) { border-right: 0; }
  .fig:nth-child(-n+4) { border-bottom: 1px solid var(--rule); }

  .evidence { grid-template-columns: 1fr; }
  .use__detail > div { grid-template-columns: 1fr; gap: 3px 0; }
  .use__detail dd { margin-bottom: 14px; }
  .channels { grid-template-columns: 1fr; }
  .contact { grid-template-columns: 1fr; padding: 24px; }
  .data-table th, .data-table td { padding: 10px 6px; font-size: .84rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}