@import url("tokens.css");

/* ==========================================================================
   Article page
   ========================================================================== */

.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 5px;
  width: 0%;
  background: var(--dp-color-signal);
  border-right: 2px solid var(--dp-color-ink);
  z-index: 120;
  transition: width 90ms linear;
}

.article { padding-bottom: var(--dp-space-6); }

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

.article-head {
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: var(--dp-space-5);
  display: grid;
  gap: var(--dp-space-4);
}

.article-head__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.article-head__title {
  font-size: clamp(34px, 5.2vw, 74px);
  line-height: 0.96;
  letter-spacing: -0.05em;
  max-width: 20ch;
  text-wrap: balance;
}

.article-head__dek {
  max-width: 62ch;
  margin: 0;
  font-size: var(--dp-text-lead);
  line-height: 1.5;
  font-weight: 500;
  color: var(--dp-color-muted);
}

.article-head__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--dp-space-4);
  border-top: var(--dp-border-divider) solid var(--dp-color-ink);
  border-bottom: var(--dp-border-divider) solid var(--dp-color-ink);
  padding-block: var(--dp-space-3);
  margin-top: var(--dp-space-2);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--dp-space-4);
  font-size: var(--dp-text-meta);
  font-weight: 700;
}

.article-meta__item { display: inline-flex; align-items: center; gap: 6px; }
.article-meta__item .od-icon { --od-icon-size: 15px; color: var(--dp-color-muted); }
.article-meta__item span { white-space: nowrap; }
.article-meta__label {
  font-family: ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dp-color-muted);
}

.article-cover {
  border: var(--dp-border-panel) solid var(--dp-color-ink);
  background: var(--dp-color-ink);
  box-shadow: var(--dp-shadow-md);
}
.article-cover img {
  width: 100%;
  height: auto;
  display: block;
}
.article-cover figcaption {
  background: var(--dp-color-ink);
  color: var(--dp-color-contrast);
  padding: 10px 14px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1.5;
}

.demo-banner {
  display: flex;
  align-items: flex-start;
  gap: var(--dp-space-3);
  background: var(--dp-color-signal);
  border: var(--dp-border-panel) solid var(--dp-color-ink);
  padding: var(--dp-space-3) var(--dp-space-4);
  box-shadow: var(--dp-shadow-sm);
  margin-bottom: var(--dp-space-2);
}
.demo-banner .od-icon { --od-icon-size: 22px; margin-top: 2px; }
.demo-banner p { margin: 0; font-size: var(--dp-text-small); font-weight: 700; line-height: 1.45; }

/* layout --------------------------------------------------------------- */

.article-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, var(--dp-reading-max));
  gap: clamp(24px, 4vw, 64px);
  justify-content: center;
  align-items: start;
  padding-top: var(--dp-space-5);
}

.article-main { min-width: 0; display: grid; gap: var(--dp-space-6); }

.article-rail { position: sticky; top: 108px; display: grid; gap: var(--dp-space-4); }

/* table of contents ----------------------------------------------------- */

.toc {
  border: var(--dp-border-panel) solid var(--dp-color-ink);
  background: var(--dp-color-contrast);
  box-shadow: var(--dp-shadow-sm);
}

.toc__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  background: var(--dp-color-ink);
  color: var(--dp-color-emphasis);
}
.toc__head span {
  font-family: ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.toc__list {
  list-style: none;
  padding: var(--dp-space-2);
  max-height: min(54vh, 520px);
  overflow-y: auto;
  scrollbar-width: thin;
}
.toc__list li + li { border-top: 1px solid rgba(0, 0, 0, 0.16); }

.toc__link {
  display: block;
  padding: 8px 6px;
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1.3;
  text-decoration: none;
  border-left: 3px solid transparent;
  color: var(--dp-color-ink);
}
.toc__link--h3 { padding-left: 16px; font-weight: 500; font-size: 12px; color: var(--dp-color-muted); }

@media (hover: hover) {
  .toc__link:hover { background: var(--dp-color-ground); }
}

.toc__link.is-active {
  background: var(--dp-color-emphasis);
  border-left-color: var(--dp-color-signal);
}

.toc-mobile { display: none; }

.rail-card {
  border: 3px solid var(--dp-color-ink);
  background: var(--dp-color-field);
  padding: var(--dp-space-3);
  display: grid;
  gap: 8px;
}
.rail-card p { margin: 0; font-size: 12px; line-height: 1.45; font-weight: 600; }
.rail-card .btn { font-size: 10px; min-height: 40px; padding: 8px 12px; box-shadow: 3px 3px 0 var(--dp-color-ink); }

/* facts panel ----------------------------------------------------------- */

.facts {
  border: var(--dp-border-panel) solid var(--dp-color-ink);
  background: var(--dp-color-contrast);
  box-shadow: var(--dp-shadow-md);
}

.facts__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  background: var(--dp-color-ink);
  color: var(--dp-color-emphasis);
  padding: 12px 16px;
}
.facts__head h2 {
  font-size: clamp(20px, 2vw, 26px);
  letter-spacing: -0.04em;
  text-transform: uppercase;
}
.facts__head span {
  font-family: ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dp-color-ground);
}

.facts__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
}

.facts__row {
  display: grid;
  gap: 2px;
  padding: 12px 16px;
  border-bottom: 2px solid var(--dp-color-ink);
  align-content: start;
}
.facts__row:nth-child(odd) { border-right: 2px solid var(--dp-color-ink); }

.facts__row dt {
  font-family: ui-monospace, monospace;
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dp-color-muted);
}
.facts__row dd {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.facts__apply {
  padding: 14px 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--dp-color-ground);
}
.facts__apply p { margin: 0; font-size: 11px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }

@media (max-width: 560px) {
  .facts__grid { grid-template-columns: 1fr; }
  .facts__row:nth-child(odd) { border-right: 0; }
}

/* body ----------------------------------------------------------------- */

.article-body {
  background: var(--dp-color-contrast);
  border: var(--dp-border-panel) solid var(--dp-color-ink);
  box-shadow: var(--dp-shadow-md);
  padding: clamp(20px, 3.6vw, 48px);
  counter-reset: sec;
}

.article-body > * + * { margin-top: var(--dp-space-4); }

.article-body p {
  font-size: 18px;
  line-height: 1.72;
  font-weight: 450;
  margin: 0;
  max-width: 68ch;
}

.article-body h2 {
  counter-increment: sec;
  position: relative;
  font-size: clamp(25px, 2.9vw, 36px);
  line-height: 1.02;
  letter-spacing: -0.05em;
  text-transform: uppercase;
  margin-top: var(--dp-space-7);
  padding-top: var(--dp-space-4);
  border-top: var(--dp-border-divider) solid var(--dp-color-ink);
  scroll-margin-top: 100px;
}
.article-body h2::before {
  content: counter(sec, decimal-leading-zero);
  display: block;
  font-family: ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--dp-color-signal-deep);
  margin-bottom: 6px;
}

.article-body h3 {
  font-size: clamp(20px, 2vw, 24px);
  line-height: 1.15;
  letter-spacing: -0.035em;
  margin-top: var(--dp-space-5);
  scroll-margin-top: 100px;
}
.article-body h4 {
  font-size: 18px;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin-top: var(--dp-space-4);
  scroll-margin-top: 100px;
}

.article-body a {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  text-decoration-color: var(--dp-color-signal);
  font-weight: 700;
}
@media (hover: hover) {
  .article-body a:hover { background: var(--dp-color-emphasis); text-decoration-color: var(--dp-color-ink); }
}
.article-body a .od-icon { display: inline-block; vertical-align: baseline; margin-left: 2px; }

.article-body strong { font-weight: 800; }
.article-body em { font-style: italic; }

.article-body ul, .article-body ol {
  padding-left: 22px;
  display: grid;
  gap: 8px;
  font-size: 17px;
  line-height: 1.6;
  max-width: 66ch;
}
.article-body li::marker { font-weight: 800; color: var(--dp-color-ink); }
.article-body li > ul, .article-body li > ol { margin-top: 8px; }

.article-body code {
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 0.88em;
  background: var(--dp-color-emphasis);
  border: 1px solid rgba(0, 0, 0, 0.25);
  padding: 1px 4px;
}

.code-block {
  background: var(--dp-color-ink);
  color: #f2f1ed;
  border: 3px solid var(--dp-color-ink);
  padding: var(--dp-space-4);
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.65;
  margin: 0;
  box-shadow: var(--dp-shadow-sm);
}
.code-block code {
  background: transparent;
  border: 0;
  padding: 0;
  color: inherit;
  font-size: inherit;
  white-space: pre;
}

.article-body blockquote {
  border-left: 8px solid var(--dp-color-signal);
  border-top: 2px solid var(--dp-color-ink);
  border-bottom: 2px solid var(--dp-color-ink);
  background: var(--dp-color-ground);
  padding: var(--dp-space-4);
  margin: 0;
}
.article-body blockquote p {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
  margin: 0;
  max-width: none;
}

.article-body hr {
  border: 0;
  border-top: var(--dp-border-divider) solid var(--dp-color-ink);
  margin-block: var(--dp-space-6);
}

.table-wrap {
  overflow-x: auto;
  border: var(--dp-border-divider) solid var(--dp-color-ink);
  box-shadow: var(--dp-shadow-sm);
  background: var(--dp-color-contrast);
  max-width: 100%;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.45;
  min-width: 480px;
}
.article-body th, .article-body td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 2px solid var(--dp-color-ink);
  vertical-align: top;
}
.article-body th {
  background: var(--dp-color-ink);
  color: var(--dp-color-emphasis);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}
.article-body tbody tr:nth-child(even) { background: var(--dp-color-ground); }
.article-body tbody tr:last-child td { border-bottom: 0; }

.article-body img {
  width: 100%;
  height: auto;
  border: 3px solid var(--dp-color-ink);
}

/* callouts -------------------------------------------------------------- */

.callout {
  border: var(--dp-border-divider) solid var(--dp-color-ink);
  background: var(--dp-color-field);
  padding: var(--dp-space-4);
  box-shadow: var(--dp-shadow-sm);
  display: grid;
  gap: 6px;
}
.callout p { margin: 0; font-size: 16px; line-height: 1.6; max-width: none; }
.callout__title {
  font-size: 11px !important;
  font-weight: 900 !important;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.callout__title::before {
  content: "";
  display: inline-block;
  width: 9px;
  height: 9px;
  background: var(--dp-color-ink);
  margin-right: 8px;
  vertical-align: 0;
}
.callout--warning { background: var(--dp-color-signal); }
.callout--tip { background: var(--dp-color-emphasis); }
.callout--note { background: var(--dp-color-field); }
.callout--cta { background: var(--dp-color-ground); }

/* sources --------------------------------------------------------------- */

.sources {
  border: var(--dp-border-divider) solid var(--dp-color-ink);
  background: var(--dp-color-ground);
  padding: var(--dp-space-4);
  display: grid;
  gap: var(--dp-space-3);
}
.sources__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}
.sources__head h2 {
  font-size: 16px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.sources__head span {
  font-family: ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dp-color-muted);
}
.sources__list { list-style: none; display: grid; gap: 10px; }
.sources__item {
  display: grid;
  gap: 2px;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(0, 0, 0, 0.15);
}
.sources__item:last-child { border-bottom: 0; padding-bottom: 0; }
.sources__item a {
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  justify-self: start;
  border-bottom: 2px solid transparent;
}
@media (hover: hover) { .sources__item a:hover { border-bottom-color: var(--dp-color-ink); } }
.sources__item p { margin: 0; font-size: 12.5px; color: var(--dp-color-muted); line-height: 1.5; }

/* apply / CTA ----------------------------------------------------------- */

.apply {
  border: var(--dp-border-panel) solid var(--dp-color-ink);
  background: var(--dp-color-emphasis);
  box-shadow: var(--dp-shadow-md);
  padding: clamp(20px, 3vw, 32px);
  display: grid;
  gap: var(--dp-space-4);
}
.apply__title {
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 0.94;
  letter-spacing: -0.055em;
  text-transform: uppercase;
}
.apply__steps {
  display: grid;
  gap: 10px;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.55;
}
.apply__steps li::marker { font-weight: 900; }
.apply__note {
  font-size: 12px;
  font-weight: 600;
  line-height: 1.5;
  border-top: 2px solid var(--dp-color-ink);
  padding-top: var(--dp-space-3);
  margin: 0;
}
.apply__actions { display: flex; flex-wrap: wrap; gap: var(--dp-space-3); align-items: center; }

/* FAQ ------------------------------------------------------------------- */

.faq { display: grid; gap: var(--dp-space-3); }
.faq__title {
  font-size: clamp(24px, 3vw, 38px);
  letter-spacing: -0.05em;
  text-transform: uppercase;
  line-height: 1;
}
.faq__item {
  border: var(--dp-border-divider) solid var(--dp-color-ink);
  background: var(--dp-color-contrast);
}
.faq__item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--dp-space-3);
  padding: 14px 16px;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 800;
  line-height: 1.35;
  list-style: none;
  min-height: 52px;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary .od-icon { --od-icon-size: 18px; flex: none; margin-top: 2px; transition: transform var(--dp-motion-fast) var(--dp-ease-out); }
.faq__item[open] summary { background: var(--dp-color-ink); color: var(--dp-color-emphasis); }
.faq__item[open] summary .od-icon { transform: rotate(45deg); }
.faq__answer { padding: 0 16px 16px; }
.faq__answer p { margin: 0; font-size: 15px; line-height: 1.65; }

/* share ----------------------------------------------------------------- */

.share { display: flex; flex-wrap: wrap; gap: 8px; }

.share__btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  padding: 8px 12px;
  border: 3px solid var(--dp-color-ink);
  background: var(--dp-color-contrast);
  color: var(--dp-color-ink);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--dp-motion-fast) linear, transform var(--dp-motion-fast) var(--dp-ease-out);
}
.share__btn .od-icon { --od-icon-size: 16px; }
@media (hover: hover) { .share__btn:hover { background: var(--dp-color-emphasis); transform: translateY(-2px); } }
.share__btn--wa { background: var(--dp-color-ink); color: var(--dp-color-ground); }
@media (hover: hover) { .share__btn--wa:hover { background: #0b3d2c; color: #fff; } }

.copy-status {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dp-color-muted);
  align-self: center;
}

/* author ---------------------------------------------------------------- */

.author-box {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--dp-space-4);
  align-items: start;
  border: var(--dp-border-divider) solid var(--dp-color-ink);
  background: var(--dp-color-field);
  box-shadow: var(--dp-shadow-sm);
  padding: var(--dp-space-4);
}
.author-box__mark {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  background: var(--dp-color-emphasis);
  border: var(--dp-border-panel) solid var(--dp-color-ink);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.05em;
}
.author-box__name { font-size: 18px; letter-spacing: -0.02em; }
.author-box__role {
  font-family: ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dp-color-muted);
  margin-bottom: 6px;
}
.author-box p { font-size: 13.5px; line-height: 1.55; margin: 0; }
.author-box a { font-weight: 800; }

/* related --------------------------------------------------------------- */

.related__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--dp-space-3);
  border-bottom: var(--dp-border-panel) solid var(--dp-color-ink);
  padding-bottom: var(--dp-space-2);
  margin-bottom: var(--dp-space-4);
}
.related__head h2 { font-size: clamp(22px, 2.6vw, 32px); letter-spacing: -0.05em; text-transform: uppercase; }

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--dp-space-3);
}

.related-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 3px solid var(--dp-color-ink);
  background: var(--dp-color-contrast);
  padding: var(--dp-space-3);
  text-decoration: none;
  color: var(--dp-color-ink);
  min-width: 0;
  transition: transform var(--dp-motion-fast) var(--dp-ease-out), box-shadow var(--dp-motion-fast) var(--dp-ease-out);
}
@media (hover: hover) {
  .related-card:hover { transform: translate(-2px, -2px); box-shadow: var(--dp-shadow-sm); }
}
.related-card__cat {
  font-family: ui-monospace, monospace;
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dp-color-muted);
}
.related-card__title { font-size: 16px; line-height: 1.2; letter-spacing: -0.03em; }
.related-card__meta { margin-top: auto; font-size: 10.5px; color: var(--dp-color-muted); }

/* pager ----------------------------------------------------------------- */

.pager {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--dp-space-3);
}
.pager__link {
  display: grid;
  gap: 4px;
  border: 3px solid var(--dp-color-ink);
  background: var(--dp-color-ground);
  padding: var(--dp-space-3);
  text-decoration: none;
  color: var(--dp-color-ink);
  min-width: 0;
}
.pager__link--next { text-align: right; }
.pager__label {
  font-family: ui-monospace, monospace;
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dp-color-muted);
}
.pager__title { font-size: 14px; font-weight: 800; line-height: 1.25; }
@media (hover: hover) { .pager__link:hover { background: var(--dp-color-emphasis); } }

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

@media (max-width: 1080px) {
  .article-layout { grid-template-columns: minmax(0, 1fr); max-width: 820px; }
  .article-rail { display: none; }
  .toc-mobile {
    display: block;
    border: 3px solid var(--dp-color-ink);
    background: var(--dp-color-contrast);
    box-shadow: var(--dp-shadow-sm);
  }
  .toc-mobile summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 12px 14px;
    min-height: 48px;
    cursor: pointer;
    list-style: none;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }
  .toc-mobile summary::-webkit-details-marker { display: none; }
  .toc-mobile summary .od-icon { transition: transform var(--dp-motion-fast) var(--dp-ease-out); }
  .toc-mobile[open] summary .od-icon { transform: rotate(180deg); }
  .toc-mobile .toc__list { max-height: none; padding: 0 12px 12px; }
  .article-head__title { max-width: none; }
}

@media (max-width: 720px) {
  .article-head__bar { flex-direction: column; align-items: flex-start; }
  .article-head__title { font-size: clamp(30px, 9vw, 48px); line-height: 1; }
  .article-body { box-shadow: var(--dp-shadow-sm); }
  .article-body p { font-size: 17px; line-height: 1.7; }
  .article-body h2 { font-size: 26px; }
  .article-cover { box-shadow: var(--dp-shadow-sm); }
  .related-grid { grid-template-columns: 1fr; }
  .pager { grid-template-columns: 1fr; }
  .pager__link--next { text-align: left; }
  .facts { box-shadow: var(--dp-shadow-sm); }
}

@media (max-width: 420px) {
  .article-body { padding: 18px 16px; }
  .article-body p, .article-body ul, .article-body ol { font-size: 16px; }
}