.article-page {
  --article-blue: #1769c2;
  --article-blue-dark: #0c4f9d;
  --article-ink: #18324f;
  --article-copy: #354b63;
  --article-muted: #728197;
  --article-orange: #ef6436;
  --article-green: #94bd35;
  --article-line: #dce5ee;
  --article-soft: #f5f8fb;
  background: #fff;
  color: var(--article-copy);
  font-size: 16px;
  line-height: 1.72;
  padding: 0 0 6rem;
}

.article-container {
  margin: 0 auto;
  max-width: 1040px;
  padding: 3.5rem 2.25rem 0;
}

.article-header {
  margin-left: auto;
  max-width: 900px;
}

.article-byline {
  align-items: center;
  display: flex;
  gap: .85rem;
  margin-bottom: 2.4rem;
}

.byline-mark {
  align-items: center;
  background: transparent;
  border-radius: 50%;
  display: inline-flex;
  flex: 0 0 48px;
  height: 48px;
  justify-content: center;
  overflow: hidden;
}

.byline-mark img { display: block; height: 100%; object-fit: contain; width: 100%; }

.article-byline > div {
  border-left: 3px solid var(--article-orange);
  display: grid;
  line-height: 1.25;
  padding-left: .75rem;
}

.byline-type {
  color: var(--article-orange);
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .08em;
}

.article-byline strong { color: var(--article-ink); font-size: .84rem; }
.article-byline small { color: var(--article-muted); font-size: .72rem; margin-top: .15rem; }

.article-header h1 {
  color: var(--article-ink);
  font-size: clamp(2.3rem, 4.4vw, 4rem);
  font-weight: 750;
  letter-spacing: -.045em;
  line-height: 1.08;
  margin: 0 0 1.7rem;
  max-width: 850px;
}

.article-header > p,
.article-section > p,
.article-section > ul,
.article-section > ol,
.article-section > table,
.article-section > aside,
.article-section > h3,
.article-section > .text-action,
.article-section > .application-note,
.article-section > .application-card,
.article-section > .faq-shell {
  margin-left: 104px;
  max-width: 760px;
}

.article-header > p { margin-left: 104px; }

.article-summary {
  border-left: 3px solid var(--article-blue);
  color: #607086;
  font-size: 1rem;
  font-style: italic;
  line-height: 1.75;
  margin-bottom: 1.4rem !important;
  padding: .15rem 0 .15rem 1.75rem;
}

.article-page a {
  color: var(--article-orange);
  text-decoration-color: color-mix(in srgb, var(--article-orange) 65%, transparent);
  text-underline-offset: 2px;
}

.article-page a:hover { color: #c9431d; }

.article-overview {
  align-items: start;
  display: grid;
  gap: 2.2rem;
  grid-template-columns: minmax(280px, .85fr) minmax(0, 1.15fr);
  margin: 4.25rem 0 4.8rem;
}

.media-placeholder {
  align-items: center;
  aspect-ratio: 16 / 10;
  background:
    linear-gradient(135deg, rgb(23 105 194 / 8%), rgb(148 189 53 / 10%)),
    #f7f9f5;
  border: 1px solid #dfe6e9;
  color: var(--article-muted);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 240px;
  overflow: hidden;
  padding: 2rem;
  position: relative;
  text-align: center;
}

.media-placeholder::before {
  background: var(--article-green);
  content: "";
  height: 8px;
  left: 0;
  position: absolute;
  top: 0;
  width: 28%;
}

.media-placeholder::after {
  background: var(--article-blue);
  content: "";
  height: 8px;
  left: 28%;
  position: absolute;
  top: 0;
  width: 13%;
}

.media-placeholder i { color: var(--article-blue); font-size: 2rem; margin-bottom: .75rem; }
.media-placeholder strong { color: var(--article-ink); font-size: .9rem; }
.media-placeholder span { font-size: .78rem; line-height: 1.55; margin-top: .3rem; max-width: 330px; }
.media-placeholder code { background: transparent; color: var(--article-muted); font-size: .68rem; margin-top: .75rem; }

.article-media {
  aspect-ratio: 16 / 10;
  background: #f7f9fc;
  border: 1px solid #dfe6e9;
  margin: 0;
  overflow: hidden;
  position: relative;
}

.article-media img {
  display: block;
  height: 100%;
  object-fit: contain;
  width: 100%;
}

.article-media.article-media-wide {
  aspect-ratio: 16 / 9;
  margin: 2.25rem auto 2rem;
  max-width: 900px;
}

.media-fade-stage {
  display: grid;
  height: 100%;
  width: 100%;
}

.media-fade-image {
  animation: article-media-fade 12s ease-in-out infinite;
  grid-area: 1 / 1;
}

.media-fade-image:nth-child(2) { animation-delay: -6s; }

@keyframes article-media-fade {
  0%, 40% { opacity: 1; }
  50%, 90% { opacity: 0; }
  100% { opacity: 1; }
}

.overview-details { padding-top: .1rem; }
.article-facts { margin: 0 0 1.5rem; }
.article-facts div { display: grid; font-size: .82rem; grid-template-columns: 116px minmax(0, 1fr); line-height: 1.5; margin-bottom: .25rem; }
.article-facts dt { color: var(--article-ink); font-weight: 750; }
.article-facts dd { color: var(--article-copy); margin: 0; }

.article-toc { border-top: 1px solid var(--article-line); padding-top: 1.05rem; }
.article-toc > strong { color: var(--article-ink); display: block; font-size: .86rem; margin-bottom: .45rem; }
.article-toc ol { line-height: 1.55; margin: 0; padding-left: 1.2rem; }
.article-toc li { color: var(--article-blue); font-size: .8rem; margin: .28rem 0; padding-left: .1rem; }
.article-toc a { color: var(--article-blue); text-decoration: none; }
.article-toc a:hover { color: var(--article-orange); text-decoration: underline; }

.article-section {
  margin: 0 auto;
  padding: 0 0 4rem;
}

.article-section h2 {
  color: var(--article-blue);
  font-size: clamp(1.55rem, 2.4vw, 2.15rem);
  font-weight: 750;
  letter-spacing: -.025em;
  line-height: 1.2;
  margin: 0 0 1.25rem 104px;
  max-width: 760px;
  scroll-margin-top: 110px;
}

.article-section h3 {
  color: var(--article-ink);
  font-size: 1.06rem;
  font-weight: 750;
  line-height: 1.35;
  margin-bottom: .55rem;
  margin-top: 1.45rem;
}

.article-section p { margin-bottom: 1rem; }

.definition-box {
  border-left: 3px solid var(--article-blue);
  color: #657489;
  font-size: .92rem;
  font-style: italic;
  line-height: 1.7;
  margin-bottom: 1.35rem !important;
  padding: .15rem 0 .15rem 1.75rem;
}

.definition-box p { margin: 0; }

.editorial-steps,
.editorial-list {
  padding-left: 1.3rem;
}

.editorial-steps li,
.editorial-list li {
  margin-bottom: .65rem;
  padding-left: .3rem;
}

.editorial-steps li::marker,
.editorial-list li::marker { color: var(--article-blue); font-weight: 750; }
.editorial-steps strong,
.editorial-list strong { color: var(--article-ink); }

.media-placeholder.media-wide {
  aspect-ratio: 16 / 7;
  margin: 2.25rem auto 2rem;
  max-width: 900px;
}

.article-table {
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  margin-top: 1.35rem;
  width: 100%;
}

.article-table th,
.article-table td {
  border-bottom: 1px solid var(--article-line);
  font-size: .87rem;
  line-height: 1.55;
  padding: .8rem .7rem;
  text-align: left;
  vertical-align: top;
}

.article-table tr:first-child th,
.article-table tr:first-child td { border-top: 1px solid var(--article-line); }
.article-table th { color: var(--article-ink); font-weight: 750; padding-left: 0; width: 28%; }
.article-table td { color: var(--article-copy); padding-right: 0; }

.text-action { margin-top: 1.3rem; }
.text-action a { font-size: .87rem; font-weight: 750; text-decoration: none; }
.text-action i { margin-left: .25rem; }

.faq-shell { border-top: 1px solid var(--article-line); }
.faq-item { border-bottom: 1px solid var(--article-line); }
.faq-item summary {
  color: var(--article-ink);
  cursor: pointer;
  font-size: .92rem;
  font-weight: 750;
  list-style: none;
  padding: 1rem 2.5rem 1rem 0;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { color: var(--article-blue); content: "+"; font-size: 1.25rem; position: absolute; right: .2rem; top: .75rem; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { color: var(--article-copy); font-size: .88rem; margin: 0; padding: 0 0 1rem; }

.application-note {
  background: var(--article-soft);
  border-left: 3px solid var(--article-green);
  font-size: .84rem;
  margin-bottom: 1.4rem !important;
  padding: .8rem 1rem;
}

.application-note i { color: var(--article-blue); margin-right: .35rem; }

.application-card {
  background: #fff;
  border: 1px solid var(--article-line);
  box-shadow: 0 14px 35px rgb(24 50 79 / 6%);
  margin-top: 1.5rem;
  padding: 2rem;
}

.form-grid { display: grid; gap: 1rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-field.is-full { grid-column: 1 / -1; }
.form-field label,
.form-field legend { color: var(--article-ink); font-size: .8rem; font-weight: 750; margin-bottom: .38rem; }
.article-page .application-card .form-control {
  background: #fff !important;
  border-color: #cfd9e4 !important;
  border-radius: 2px;
  color: var(--article-ink) !important;
  color-scheme: light;
}
.article-page .application-card .form-control::placeholder { color: #8795a6 !important; opacity: 1; }
.article-page .application-card .form-control:focus { background: #fff !important; border-color: var(--article-blue) !important; box-shadow: 0 0 0 .18rem rgb(23 105 194 / 13%); color: var(--article-ink) !important; }
.field-error { color: #b42318; display: block; font-size: .75rem; margin-top: .25rem; }
.choice-list ul,
.choice-list > div { display: grid; gap: .55rem; grid-template-columns: repeat(3, minmax(0, 1fr)); list-style: none; margin: 0; padding: 0; }
.choice-list label { align-items: center; background: #fff; border: 1px solid var(--article-line); color: var(--article-ink); cursor: pointer; display: flex; gap: .5rem; margin: 0; min-height: 44px; padding: .65rem .75rem; }
.choice-list input,
.consent-field input { accent-color: var(--article-blue); color-scheme: light; }
.consent-field { align-items: start; display: grid; gap: .65rem; grid-template-columns: auto minmax(0, 1fr); }
.consent-field input { margin-top: .3rem; }
.consent-field label { color: var(--article-copy); font-size: .78rem; font-weight: 600; }
.article-submit { background: var(--article-blue); border: 0; color: #fff; font-size: .84rem; font-weight: 750; padding: .72rem 1.15rem; }
.article-submit:hover { background: var(--article-blue-dark); }
.article-submit i { margin-left: .4rem; }
.success-panel { background: #f0f7e3; border-left: 3px solid var(--article-green); color: #3f5f14; display: grid; font-size: .86rem; margin-bottom: 1.25rem; padding: 1rem; }

/* İçerik sayfaları açık editoryal palet kullanır; genel tema menü etkileşimini koyulaştırmamalı. */
html:has(.article-page) .mk-navbar .mk-nav-link { color: var(--article-copy, #354b63); }
html:has(.article-page) .mk-navbar .mk-nav-link:hover,
html:has(.article-page) .mk-navbar .mk-nav-link:focus-visible {
  background: #edf4fa;
  color: var(--article-ink, #18324f);
}

/* Laptop ve büyük masaüstü aynı editoryal düzeni kullanır. Yalnız mobilde tek sütuna geçilir. */
@media (max-width: 767.98px) {
  .article-page { font-size: 15px; padding-bottom: 3rem; }
  .article-container { padding: 2rem 1.15rem 0; }
  .article-header { max-width: none; }
  .article-byline { margin-bottom: 1.8rem; }
  .byline-mark { flex-basis: 42px; height: 42px; }
  .article-header h1 { font-size: clamp(2.15rem, 11vw, 3.25rem); }
  .article-header > p,
  .article-section > p,
  .article-section > ul,
  .article-section > ol,
  .article-section > table,
  .article-section > aside,
  .article-section > h3,
  .article-section > .text-action,
  .article-section > .application-note,
  .article-section > .application-card,
  .article-section > .faq-shell,
  .article-section h2 { margin-left: 0; max-width: none; }
  .article-summary,
  .definition-box { padding-left: 1.1rem; }
  .article-overview { grid-template-columns: 1fr; margin: 3rem 0 3.5rem; }
  .media-placeholder { min-height: 220px; }
  .media-placeholder.media-wide { aspect-ratio: 16 / 10; margin: 1.7rem 0; }
  .article-media.article-media-wide { margin: 1.7rem 0; }
  .article-section { padding-bottom: 3rem; }
  .article-facts div { grid-template-columns: 108px minmax(0, 1fr); }
  .article-table th { width: 38%; }
  .application-card { padding: 1.15rem; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field.is-full { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  .media-fade-image { animation: none; }
  .media-fade-image:nth-child(2) { display: none; }
}

@media (max-width: 430px) {
  .choice-list ul,
  .choice-list > div,
  .article-submit { width: 100%; }
}