/* Delay Review — shared stylesheet */

:root {
  --paper: #edeef1;
  --sheet: #ffffff;
  --ink: #0f1114;
  --ink-soft: #4c525b;
  --ink-faint: #767c86;
  --rule: #d5d8de;
  --rule-soft: #e6e8ec;
  --mark: #35507a;
  --mark-wash: #e4e9f1;

  --display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --body: "Source Serif 4", Georgia, "Times New Roman", serif;
  --meta: "Bricolage Grotesque", system-ui, sans-serif;

  --measure: 68ch;
  --gutter: 24px;
  --shell: 1080px;
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 18px;
  line-height: 1.65;
  font-variant-numeric: oldstyle-nums;
}

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

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

a:hover {
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--mark);
  outline-offset: 3px;
}

.skiplink {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  font-family: var(--meta);
  font-size: 14px;
  z-index: 50;
}

.skiplink:focus {
  left: 8px;
  top: 8px;
}

/* ---------- shell ---------- */

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

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

.masthead-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 28px;
  padding-top: 20px;
  padding-bottom: 20px;
}

.wordmark {
  font-family: var(--display);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  margin-right: auto;
}

.wordmark span {
  color: var(--ink-faint);
  font-weight: 400;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-family: var(--meta);
  font-size: 14px;
  letter-spacing: 0.01em;
}

.nav a {
  color: var(--ink-soft);
  text-decoration: none;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--ink);
  text-decoration: underline;
}

/* ---------- eyebrow / labels ---------- */

.eyebrow {
  font-family: var(--meta);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 14px;
}

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

.opening {
  padding: 64px 0 40px;
}

.opening h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(34px, 5.4vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin: 0 0 22px;
  max-width: 17ch;
}

.opening p {
  max-width: 58ch;
  font-size: 20px;
  color: var(--ink-soft);
  margin: 0 0 18px;
}

/* ---------- signature: discount curve ---------- */

.curve {
  margin: 44px 0 0;
  border-top: 1px solid var(--rule);
  padding-top: 14px;
}

.curve svg {
  width: 100%;
  height: auto;
}

.curve figcaption {
  font-family: var(--meta);
  font-size: 12.5px;
  color: var(--ink-faint);
  letter-spacing: 0.01em;
  margin-top: 10px;
  max-width: 62ch;
}

.tick {
  stroke: var(--rule);
  stroke-width: 1;
}

.tick-live {
  stroke: var(--mark);
  stroke-width: 1.4;
}

.curveline {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.6;
}

/* ---------- generic band ---------- */

.band {
  padding: 52px 0;
  border-top: 1px solid var(--rule);
}

.band h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(23px, 3vw, 30px);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 10px;
}

.band > .shell > p {
  max-width: var(--measure);
  color: var(--ink-soft);
}

.split {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: start;
}

.split-aside {
  font-family: var(--meta);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-top: 6px;
}

.split-main {
  min-width: 0;
}

.split-main > :first-child {
  margin-top: 0;
}

/* ---------- library ---------- */

.stack {
  list-style: none;
  margin: 0;
  padding: 0;
}

.stack li {
  border-top: 1px solid var(--rule-soft);
  padding: 22px 0;
}

.stack li:first-child {
  border-top: 0;
  padding-top: 0;
}

.stack h3 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 21px;
  letter-spacing: -0.015em;
  line-height: 1.25;
  margin: 0 0 6px;
}

.stack h3 a {
  color: var(--ink);
  text-decoration: none;
  background-image: linear-gradient(var(--mark), var(--mark));
  background-size: 0% 1px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size 0.2s ease;
}

.stack h3 a:hover {
  background-size: 100% 1px;
}

.stack p {
  margin: 0 0 8px;
  color: var(--ink-soft);
  font-size: 17px;
  max-width: 64ch;
}

.filed {
  font-family: var(--meta);
  font-size: 12px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---------- principles / negative list ---------- */

.ruled {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: var(--measure);
}

.ruled li {
  border-top: 1px solid var(--rule-soft);
  padding: 16px 0;
}

.ruled li:first-child {
  border-top: 0;
}

.ruled strong {
  font-family: var(--meta);
  font-weight: 600;
  font-size: 15px;
  display: block;
  margin-bottom: 3px;
  letter-spacing: -0.005em;
}

.ruled span {
  color: var(--ink-soft);
  font-size: 17px;
}

.excluded {
  background: var(--sheet);
  border: 1px solid var(--rule);
  padding: 30px;
}

.excluded ul {
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: 60ch;
}

.excluded li {
  padding: 9px 0 9px 26px;
  position: relative;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--rule-soft);
}

.excluded li:last-child {
  border-bottom: 0;
}

.excluded li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--mark);
}

/* ---------- faq ---------- */

.faq {
  max-width: var(--measure);
}

.faq dt {
  font-family: var(--meta);
  font-weight: 600;
  font-size: 16px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--rule-soft);
}

.faq dt:first-of-type {
  border-top: 0;
  margin-top: 0;
  padding-top: 0;
}

.faq dd {
  margin: 6px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
}

/* ---------- article ---------- */

.article {
  padding: 52px 0 20px;
}

.article-head {
  max-width: var(--measure);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 26px;
  margin-bottom: 30px;
}

.article-head h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(28px, 4.2vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.028em;
  margin: 8px 0 14px;
}

.article-head .standfirst {
  color: var(--ink-soft);
  font-size: 19px;
  margin: 0;
}

.prose {
  max-width: var(--measure);
}

.prose h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.018em;
  line-height: 1.25;
  margin: 38px 0 10px;
}

.prose p {
  margin: 0 0 18px;
}

.prose ul {
  padding-left: 20px;
  margin: 0 0 18px;
}

.prose li {
  margin-bottom: 8px;
}

.caveat {
  border-left: 2px solid var(--mark);
  background: var(--mark-wash);
  padding: 18px 22px;
  margin: 26px 0;
  font-size: 17px;
}

.caveat p {
  margin: 0;
}

.refs {
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid var(--rule);
  font-size: 15px;
  color: var(--ink-soft);
}

.refs h2 {
  font-family: var(--meta);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 12px;
  font-weight: 600;
}

.refs ol {
  padding-left: 18px;
  margin: 0;
}

.refs li {
  margin-bottom: 9px;
}

/* ---------- legal pages ---------- */

.legal {
  padding: 52px 0 20px;
}

.legal h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.028em;
  line-height: 1.1;
  margin: 8px 0 12px;
}

.legal h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.015em;
  margin: 34px 0 8px;
}

.legal h3 {
  font-family: var(--meta);
  font-weight: 600;
  font-size: 15.5px;
  margin: 22px 0 6px;
}

.legal p,
.legal li {
  max-width: var(--measure);
}

.legal ul,
.legal ol {
  padding-left: 20px;
}

.legal li {
  margin-bottom: 8px;
}

.stamp {
  font-family: var(--meta);
  font-size: 13px;
  color: var(--ink-faint);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 18px;
  margin-bottom: 4px;
}

/* ---------- support block ---------- */

.support {
  background: var(--ink);
  color: var(--paper);
  padding: 46px 0;
}

.support h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  color: var(--sheet);
}

.support p {
  max-width: 58ch;
  color: #c3c8d1;
  margin: 0 0 14px;
}

.support a {
  color: var(--sheet);
}

.mailto {
  font-family: var(--meta);
  font-size: 18px;
  letter-spacing: -0.01em;
}

/* ---------- 404 ---------- */

.notfound {
  padding: 90px 0;
}

.notfound h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(30px, 5vw, 46px);
  letter-spacing: -0.03em;
  margin: 0 0 14px;
}

.notfound p {
  max-width: 54ch;
  color: var(--ink-soft);
}

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

.foot {
  border-top: 1px solid var(--rule);
  padding: 34px 0 48px;
  font-size: 15px;
  color: var(--ink-faint);
}

.foot-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-family: var(--meta);
  font-size: 14px;
  margin-bottom: 18px;
}

.foot-nav a {
  color: var(--ink-soft);
  text-decoration: none;
}

.foot-nav a:hover {
  color: var(--ink);
  text-decoration: underline;
}

.foot p {
  max-width: 72ch;
  margin: 0 0 8px;
}

/* ---------- utilities ---------- */

.lead-back {
  font-family: var(--meta);
  font-size: 13.5px;
  letter-spacing: 0.02em;
}

.tight {
  margin-top: 0;
}

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

@media (max-width: 760px) {
  body {
    font-size: 17px;
  }

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

  .opening {
    padding: 44px 0 30px;
  }

  .band {
    padding: 40px 0;
  }

  .excluded {
    padding: 22px 18px;
  }
}

@media (max-width: 380px) {
  :root {
    --gutter: 16px;
  }

  .opening h1 {
    letter-spacing: -0.02em;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}