/*
  CostBleed marketing site — hand-written CSS, no build step.
  System font stacks only. No external fonts, no CDN, no third-party assets.
  Palette: docs/UI_UX_SPEC.md. Crimson is an accent, never a flood.
*/

:root {
  --obsidian: #09090b;
  --charcoal: #151519;
  --graphite: #25262c;
  --garnet: #74121c;
  --crimson: #a31528;
  /*
    Accessibility: raw --crimson on --obsidian/--charcoal measures
    2.55:1 / 2.34:1, below the WCAG AA 4.5:1 text minimum required by
    docs/UI_UX_SPEC.md. --crimson-tint is a lightened step toward --bone
    (5.35:1 on obsidian, 4.90:1 on charcoal) and is what crimson must be
    when it is *text*. Raw --crimson stays for fills, rules and borders,
    where the foreground sitting on it is always --bone (6.63:1).
    Mirrors --crimson-tint in apps/web/static/costbleed.css.
  */
  --crimson-tint: #c26b74;
  --dark-ruby: #530b13;
  --bone: #f1ece5;
  --cold-stone: #bdb8b1;
  --amber: #c28a32;
  --muted-green: #768675;

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

  --rule: rgba(241, 236, 229, 0.14);
  --rule-strong: rgba(241, 236, 229, 0.24);
  --max-width: 1120px;
}

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

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

body {
  margin: 0;
  background: var(--obsidian);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
  margin: 0 0 0.5em;
  color: var(--bone);
}

h1 {
  font-size: clamp(2.4rem, 4.6vw, 3.8rem);
  letter-spacing: -0.015em;
  line-height: 1.08;
}

h2 {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--bone);
  text-decoration-color: var(--crimson);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover,
a:focus-visible {
  text-decoration-color: var(--amber);
}

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

ul,
ol {
  margin: 0 0 1em;
  padding-left: 1.25em;
}

/* ---- utility ------------------------------------------------------- */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--crimson);
  color: var(--bone);
  padding: 0.75em 1.25em;
  z-index: 100;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

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

.kicker {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cold-stone);
  margin: 0 0 1em;
}

.text-link {
  display: inline-block;
  margin-top: 0.5em;
  font-weight: 600;
}

.plain-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1em;
}

.plain-list li {
  padding: 0.5em 0;
  border-bottom: 1px solid var(--rule);
}

.plain-list li:first-child {
  border-top: 1px solid var(--rule);
}

/* ---- header ---------------------------------------------------------- */

.site-header {
  border-bottom: 1px solid var(--rule);
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.wordmark {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.1;
}

.wordmark__mark {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.02em;
  color: var(--bone);
}

.wordmark__mark--small {
  font-size: 1.1rem;
}

.wordmark__tagline {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cold-stone);
  margin-top: 0.25em;
}

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.site-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  color: var(--cold-stone);
  border-bottom: 1px solid transparent;
  padding-bottom: 0.2em;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  color: var(--bone);
  border-bottom-color: var(--crimson);
}

.site-nav__cta a {
  color: var(--bone);
  background: var(--crimson);
  padding: 0.5em 1em;
  border-radius: 2px;
  border-bottom: none;
}

.site-nav__cta a:hover,
.site-nav__cta a:focus-visible {
  background: var(--garnet);
  color: var(--bone);
}

/* ---- hero -------------------------------------------------------------- */

.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4.5rem 1.5rem 3.5rem;
  background-image: repeating-linear-gradient(
      to bottom,
      transparent,
      transparent 39px,
      var(--rule) 40px
    ),
    repeating-linear-gradient(to right, transparent, transparent 95px, var(--rule) 96px);
  background-position: top;
}

.hero--page {
  padding-bottom: 2.5rem;
}

.hero--home {
  padding-top: 6rem;
  padding-bottom: 5rem;
}

.hero--home .hero__title {
  font-size: clamp(2.9rem, 5.6vw, 4.6rem);
}

.hero__inner {
  max-width: 44rem;
}

.hero__title {
  margin-bottom: 0.4em;
}

.hero__hairline {
  display: block;
  width: 68px;
  height: 2px;
  background: var(--crimson);
  margin-bottom: 1.75rem;
  transform-origin: left center;
  animation: hairline-draw 900ms cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes hairline-draw {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.hero__support {
  font-size: 1.15rem;
  color: var(--cold-stone);
  max-width: 38rem;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.75rem;
}

.hero__diagram {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

.thread-line {
  stroke: var(--crimson);
  stroke-width: 1.5;
}

.thread-node circle {
  fill: var(--obsidian);
  stroke: var(--crimson);
  stroke-width: 2;
}

.thread-node--terminal circle {
  fill: var(--crimson);
}

.thread-node rect {
  fill: var(--obsidian);
  stroke: var(--crimson);
  stroke-width: 2;
}

.thread-node text {
  fill: var(--cold-stone);
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.thread-check {
  fill: none;
  stroke: var(--obsidian);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---- motion: subtle lift + reduced-motion ------------------------------- */

.card-lift {
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.card-lift:hover,
.card-lift:focus-within {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -20px rgba(0, 0, 0, 0.65);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---- buttons ------------------------------------------------------- */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  padding: 0.85em 1.5em;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn--primary {
  background: var(--crimson);
  color: var(--bone);
  border-color: var(--crimson);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--garnet);
  border-color: var(--garnet);
}

.btn--secondary {
  background: transparent;
  color: var(--bone);
  border-color: var(--rule-strong);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  border-color: var(--bone);
}

/* ---- sections -------------------------------------------------------- */

.section {
  padding: 3.5rem 1.5rem;
}

.section--rule {
  border-top: 1px solid var(--rule);
}

.section--dark {
  background: var(--charcoal);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.section--closing {
  border-top: 1px solid var(--rule);
  background: linear-gradient(180deg, var(--charcoal), var(--obsidian));
}

.section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section__inner--narrow {
  max-width: 40rem;
}

.section__inner--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.section__heading {
  max-width: 34rem;
}

.section__lede {
  font-size: 1.05rem;
  color: var(--cold-stone);
  max-width: 42rem;
}

.section__note {
  color: var(--cold-stone);
  font-size: 0.9rem;
}

/* ---- decision outcomes ------------------------------------------------ */

.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.outcome-card {
  border: 1px solid var(--rule);
  border-left: 3px solid var(--cold-stone);
  padding: 1.5rem;
  background: var(--obsidian);
}

.outcome-card__icon {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: var(--bone);
  stroke-width: 1.6;
  margin-bottom: 0.75rem;
}

.outcome-card h3 {
  margin-bottom: 0.4em;
}

.outcome-card p {
  color: var(--cold-stone);
  font-size: 0.92rem;
  margin-bottom: 0;
}

.outcome-card--supported {
  border-left-color: var(--muted-green);
}

.outcome-card--clarify {
  border-left-color: var(--amber);
}

.outcome-card--clarify .outcome-card__icon {
  stroke: var(--amber);
}

.outcome-card--supported .outcome-card__icon {
  stroke: var(--muted-green);
}

.outcome-card--bleed {
  border-left-color: var(--crimson);
}

.outcome-card--bleed .outcome-card__icon {
  stroke: var(--crimson);
  fill: var(--crimson);
  fill-opacity: 0.12;
}

/* ---- ledger card (the decision summary, rendered as a document) -------- */

.tabular-nums {
  font-variant-numeric: tabular-nums;
}

.ledger-card {
  position: relative;
  margin-top: 2rem;
  max-width: 40rem;
  background: var(--obsidian);
  border: 1px solid var(--rule-strong);
  padding: 2rem 2.25rem 1.75rem;
}

.ledger-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--crimson);
}

.ledger-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.85rem;
  margin-bottom: 0.5rem;
}

.ledger-card__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--bone);
}

.ledger-card__tag {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cold-stone);
}

.ledger-table {
  width: 100%;
  border-collapse: collapse;
}

.ledger-table th,
.ledger-table td {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--rule);
  font-weight: 400;
  text-align: left;
}

.ledger-table th {
  color: var(--cold-stone);
  font-size: 0.98rem;
}

.ledger-table td {
  text-align: right;
  color: var(--bone);
  font-family: var(--font-display);
  font-size: 1.08rem;
}

.ledger-table tr:last-child th,
.ledger-table tr:last-child td {
  border-bottom: none;
}

.ledger-table__row--bleed td,
.ledger-table__row--hold td {
  color: var(--crimson-tint);
}

.ledger-card__note {
  margin: 1.1rem 0 0;
  font-size: 0.85rem;
  color: var(--cold-stone);
}

/* ---- finding card (the single most persuasive thing on the page) ------- */

.finding-card {
  margin-top: 2rem;
  max-width: 44rem;
  background: var(--charcoal);
  border: 1px solid var(--rule-strong);
  border-left: 3px solid var(--crimson);
  padding: 1.85rem 2.1rem;
}

.finding-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.finding-card__taxonomy {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--bone);
  margin: 0 0 0.3em;
}

.finding-card__status {
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--crimson-tint);
  margin: 0;
}

.finding-card__amount {
  font-family: var(--font-display);
  font-size: 1.55rem;
  color: var(--bone);
  white-space: nowrap;
  margin: 0;
}

.finding-card__rationale {
  color: var(--cold-stone);
  margin-bottom: 1.1rem;
}

.finding-card__sources {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.1rem;
  padding: 0;
  list-style: none;
}

.source-chip {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--cold-stone);
  border: 1px solid var(--rule-strong);
  padding: 0.32em 0.75em;
  border-radius: 2px;
  font-family: var(--font-body);
}

.finding-card__action {
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  color: var(--bone);
}

.finding-card__action-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.35em;
}

/* ---- steps ------------------------------------------------------------ */

.mini-steps {
  list-style: none;
  padding: 0;
  counter-reset: mini-step;
}

.mini-steps li {
  counter-increment: mini-step;
  position: relative;
  padding: 0.5em 0 0.5em 2.4em;
  border-bottom: 1px solid var(--rule);
  color: var(--cold-stone);
}

.mini-steps li::before {
  content: counter(mini-step);
  position: absolute;
  left: 0;
  top: 0.5em;
  color: var(--crimson-tint);
  font-family: var(--font-display);
  font-size: 0.95rem;
}

.steps {
  list-style: none;
  padding: 0;
  counter-reset: step;
  max-width: 42rem;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding: 0 0 2rem 3.25rem;
  border-left: 1px solid var(--rule);
  margin-left: 0.9rem;
}

.steps li:last-child {
  border-left-color: transparent;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: -0.9rem;
  top: -0.1rem;
  width: 1.8rem;
  height: 1.8rem;
  border: 1px solid var(--crimson);
  border-radius: 50%;
  color: var(--bone);
  font-family: var(--font-display);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--obsidian);
}

.steps h2 {
  font-size: 1.15rem;
  margin-bottom: 0.3em;
}

.steps p {
  color: var(--cold-stone);
  margin-bottom: 0;
}

/* ---- persona grid ------------------------------------------------------ */

.persona-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.persona-card {
  border-top: 2px solid var(--crimson);
  padding: 1rem 1.25rem 1.4rem 0;
}

.persona-card p {
  color: var(--cold-stone);
  margin-bottom: 0;
}

/* ---- ladder ------------------------------------------------------------ */

.ladder {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.ladder__tier {
  border: 1px solid var(--rule-strong);
  padding: 1.75rem;
}

.ladder__eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.75em;
}

.ladder__tier p:last-child {
  color: var(--cold-stone);
  margin-bottom: 0;
}

/* ---- definition / security / legal grids -------------------------------- */

.definition-grid,
.security-grid,
.legal-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin: 2rem 0 0;
}

.legal-list {
  grid-template-columns: 1fr;
  max-width: 44rem;
}

.definition-grid dt,
.security-item h2,
.legal-item h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--bone);
  margin-bottom: 0.35em;
}

.definition-grid dd,
.security-item p,
.legal-item p {
  margin: 0;
  color: var(--cold-stone);
}

.definition-grid > div,
.security-item,
.legal-item {
  border-top: 1px solid var(--rule);
  padding-top: 1rem;
}

/* ---- form --------------------------------------------------------------- */

.form {
  margin-top: 1.5rem;
}

.field {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4em;
}

.field label {
  font-size: 0.85rem;
  color: var(--cold-stone);
}

.field input[type="text"],
.field input[type="email"],
.field select,
.field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--bone);
  background: var(--charcoal);
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  padding: 0.7em 0.85em;
}

.field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--cold-stone) 50%),
    linear-gradient(135deg, var(--cold-stone) 50%, transparent 50%);
  background-position:
    calc(100% - 20px) center,
    calc(100% - 15px) center;
  background-size: 5px 5px;
  background-repeat: no-repeat;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--amber);
  outline-offset: 1px;
}

.field--checkbox {
  flex-direction: row;
  align-items: flex-start;
  gap: 0.6em;
}

.field--checkbox input {
  margin-top: 0.3em;
}

.field--checkbox label {
  color: var(--cold-stone);
  font-size: 0.9rem;
}

.field--honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.field-error {
  color: var(--amber);
  font-size: 0.82rem;
  margin: 0;
}

.form-error {
  background: rgba(163, 21, 40, 0.14);
  border: 1px solid var(--crimson);
  color: var(--bone);
  padding: 0.9em 1.1em;
  border-radius: 2px;
  margin-bottom: 1.5rem;
}

/* ---- contact layout: a considered document, not a bare utility form ---- */

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 17rem) minmax(0, 32rem);
  gap: 3rem;
  align-items: start;
}

.contact-aside {
  border-top: 2px solid var(--crimson);
  padding-top: 1.25rem;
}

.contact-aside__heading {
  font-size: 1.05rem;
  margin-bottom: 0.85em;
}

.contact-aside__steps {
  list-style: none;
  counter-reset: contact-step;
  padding: 0;
  margin: 0 0 1.4rem;
}

.contact-aside__steps li {
  counter-increment: contact-step;
  position: relative;
  padding: 0 0 1.1rem 2.1rem;
  color: var(--cold-stone);
  font-size: 0.92rem;
}

.contact-aside__steps li::before {
  content: counter(contact-step);
  position: absolute;
  left: 0;
  top: -0.1rem;
  color: var(--crimson-tint);
  font-family: var(--font-display);
}

.contact-aside__note {
  font-size: 0.85rem;
  color: var(--cold-stone);
  margin: 0;
}

.contact-form-card {
  background: var(--charcoal);
  border: 1px solid var(--rule-strong);
  padding: 2rem 2.25rem 2.25rem;
}

.contact-form-card .form {
  margin-top: 0;
}

@media (max-width: 860px) {
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ---- footer -------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--rule);
  padding: 2.5rem 1.5rem;
}

.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 3rem;
  align-items: flex-start;
  justify-content: space-between;
}

.site-footer__brand p {
  color: var(--cold-stone);
  font-size: 0.85rem;
  margin: 0.5em 0 0;
}

.site-footer__nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.site-footer__nav a {
  color: var(--cold-stone);
  text-decoration: none;
  font-size: 0.9rem;
}

.site-footer__nav a:hover,
.site-footer__nav a:focus-visible {
  color: var(--bone);
}

.site-footer__legal {
  width: 100%;
  color: var(--cold-stone);
  font-size: 0.78rem;
  margin: 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

/* ---- responsive ----------------------------------------------------------- */

@media (max-width: 860px) {
  .outcomes-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .persona-grid,
  .ladder,
  .definition-grid,
  .security-grid {
    grid-template-columns: 1fr;
  }

  .section__inner--split {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 560px) {
  .outcomes-grid {
    grid-template-columns: 1fr;
  }

  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}


/* Brand mark, inline beside the wordmark. */
.brand-mark {
  display: inline-block;
  vertical-align: -0.2em;
  margin-right: 0.5rem;
}