/* ==========================================================================
   keremoz.com.tr — "Saha Defteri"
   Bir teknisyenin ölçüm defteri: kağıt zemin, ince cetvel çizgileri,
   ciddi bir tipografi ve tek bir sinyal rengi.
   ========================================================================== */

/* ------------------------------------------------------------------ 1. reset */

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

* { margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

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

button, input, textarea, select { font: inherit; color: inherit; }

/* ------------------------------------------------------------------ 2. token */

:root {
  /* kağıt */
  --paper:        #F4F1EA;
  --paper-2:      #EBE7DE;
  --paper-3:      #E2DDD1;
  --ink:          #16150F;
  --ink-2:        #4A473C;
  --ink-3:        #64604F;
  --rule:         #D3CDBF;
  --rule-strong:  #B8B1A0;
  --signal:       #B03310;
  --signal-strong:#A82E08;
  --signal-wash:  rgba(176, 51, 16, 0.08);
  --on-signal:    #F4F1EA;

  /* tipografi */
  --sans:  'Archivo', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --mono:  'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Consolas, monospace;

  /* ölçü */
  --wrap:    75rem;
  --measure: 40rem;
  --gut:     clamp(1.25rem, 4vw, 3rem);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper:        #14140F;
    --paper-2:      #1C1B15;
    --paper-3:      #23221A;
    --ink:          #EDE9DE;
    --ink-2:        #B4AE9E;
    --ink-3:        #948E7B;
    --rule:         #33322A;
    --rule-strong:  #4A483D;
    --signal:       #FF6A35;
    --signal-strong:#FF6A35;
    --signal-wash:  rgba(255, 106, 53, 0.12);
    --on-signal:    #14140F;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --paper:        #14140F;
  --paper-2:      #1C1B15;
  --paper-3:      #23221A;
  --ink:          #EDE9DE;
  --ink-2:        #B4AE9E;
  --ink-3:        #948E7B;
  --rule:         #33322A;
  --rule-strong:  #4A483D;
  --signal:       #FF6A35;
  --signal-strong:#FF6A35;
  --signal-wash:  rgba(255, 106, 53, 0.12);
  --on-signal:    #14140F;
  color-scheme: dark;
}

/* ------------------------------------------------------------------ 3. taban */

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* clip kullaniliyor: hidden, body'yi kaydirma kabina cevirip
     sticky basligi ve icindekiler menusunu bozuyor. */
  overflow-x: clip;
}

/* Kağıdın dokusu: çok soluk milimetrik ızgara. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .5;
  background-image:
    linear-gradient(to right, var(--rule) 1px, transparent 1px),
    linear-gradient(to bottom, var(--rule) 1px, transparent 1px);
  background-size: 2.5rem 2.5rem;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 0%, transparent 75%);
}

body > * { position: relative; z-index: 1; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--sans);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

a { color: var(--signal); text-decoration-thickness: 1px; text-underline-offset: 0.22em; }
a:hover { text-decoration-thickness: 2px; }

strong, b { font-weight: 650; }

/* --- tarayıcı yüzeyleri: hiçbir şey varsayılana bırakılmaz --- */

::selection { background: var(--signal); color: var(--on-signal); }

:root { accent-color: var(--signal); caret-color: var(--signal); }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 1px;
}

* { scrollbar-width: thin; scrollbar-color: var(--rule-strong) transparent; }
*::-webkit-scrollbar { width: 11px; height: 11px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--rule-strong);
  border: 3px solid var(--paper);
  border-radius: 99px;
}
*::-webkit-scrollbar-thumb:hover { background: var(--ink-3); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: .75rem 1.25rem;
  z-index: 100;
  font-family: var(--sans);
  font-size: .8125rem;
}
.skip-link:focus { left: 0; }

/* ------------------------------------------------------------------ 4. düzen */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gut);
}

/* İçindekiler sütunu düşüldükten sonra metnin ~70 karakterde kalması için. */
.wrap--narrow { max-width: 64rem; }

.rule { border: 0; border-top: 1px solid var(--rule); margin: 0; }
.rule--strong { border-top-color: var(--rule-strong); }

/* Etiket: küçük, aralıklı, tek satırlık künye metni */
.label {
  font-family: var(--mono);
  font-size: .6875rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; }

/* ------------------------------------------------------------------ 5. üst bant */

.masthead-bar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--rule);
}

.masthead-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 3.75rem;
}

.wordmark {
  font-family: var(--sans);
  font-variation-settings: 'wdth' 118, 'wght' 750;
  font-size: .9375rem;
  letter-spacing: .01em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.wordmark:hover { color: var(--signal); }

.nav { display: flex; align-items: center; gap: .25rem; }

.nav a {
  font-family: var(--sans);
  font-size: .875rem;
  font-weight: 500;
  color: var(--ink-2);
  text-decoration: none;
  padding: .5rem .75rem;
  position: relative;
}
.nav a:hover { color: var(--ink); }

.nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }
.nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: .75rem; right: .75rem; bottom: .1rem;
  border-bottom: 2px solid var(--signal);
}

.nav__sep { width: 1px; height: 1.25rem; background: var(--rule); margin-inline: .5rem; }

.iconbtn {
  display: inline-grid;
  place-items: center;
  width: 2.125rem;
  height: 2.125rem;
  background: none;
  border: 1px solid transparent;
  color: var(--ink-2);
  cursor: pointer;
  text-decoration: none;
}
.iconbtn:hover { color: var(--ink); border-color: var(--rule); }
.iconbtn svg { width: 1.0625rem; height: 1.0625rem; }

.lang-toggle {
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .1em;
  border: 1px solid var(--rule);
  padding: .3rem .5rem;
  color: var(--ink-2);
  text-decoration: none;
}
.lang-toggle:hover { border-color: var(--ink-3); color: var(--ink); }

.nav-toggle { display: none; }

@media (max-width: 47.99em) {
  .nav-toggle { display: inline-grid; }
  .nav {
    position: fixed;
    inset: 3.75rem 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    padding: .5rem var(--gut) 1.25rem;
    transform: translateY(-120%);
    transition: transform .4s var(--ease);
  }
  .nav[data-open="true"] { transform: translateY(0); }
  .nav a { padding: .875rem 0; border-bottom: 1px solid var(--rule); font-size: 1.0625rem; }
  .nav a[aria-current="page"]::after { left: 0; right: auto; width: 1.5rem; bottom: .5rem; }
  .nav__sep { display: none; }
  .nav__tail { display: flex; align-items: center; gap: .5rem; padding-top: .875rem; }
}

/* ------------------------------------------------------------------ 6. künye (ana sayfa) */

.masthead { padding-block: clamp(3rem, 9vw, 6.5rem) 0; }

.masthead__eyebrowless { display: contents; }

.masthead__name {
  font-family: var(--sans);
  font-variation-settings: 'wdth' 112, 'wght' 800;
  font-size: clamp(2.75rem, 11.5vw, 6rem);
  line-height: .92;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.masthead__lede {
  font-family: var(--serif);
  font-size: clamp(1.125rem, 2.4vw, 1.5rem);
  line-height: 1.45;
  color: var(--ink-2);
  max-width: 34ch;
  text-wrap: pretty;
}

.masthead__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: end;
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
}

@media (max-width: 55.99em) {
  .masthead__grid { grid-template-columns: 1fr; align-items: start; }
}

/* teknik künye — noktalı dolgu ile veri satırları */
.spec { border-top: 1px solid var(--ink); }

.spec__row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: .5rem;
  padding: .6rem 0;
  border-bottom: 1px solid var(--rule);
}

.spec__key {
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
  white-space: nowrap;
}

.spec__dots {
  border-bottom: 1px dotted var(--rule-strong);
  transform: translateY(-.28em);
  min-width: 1.5rem;
}

.spec__val {
  font-family: var(--sans);
  font-size: .9375rem;
  font-weight: 550;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.spec__val--signal { color: var(--signal); }

/* portre — bir figür gibi, altyazılı */
.figure { margin: 0; }
.figure img {
  width: 100%;
  border: 1px solid var(--rule-strong);
  background: var(--paper-2);
}
.figure figcaption {
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .06em;
  color: var(--ink-3);
  padding-top: .5rem;
  display: flex;
  gap: .5rem;
}
.figure figcaption b { color: var(--ink-2); font-weight: 500; white-space: nowrap; }

/* ------------------------------------------------------------------ 7. bölüm başlıkları */

.section { padding-block: clamp(3rem, 7vw, 5.5rem); }

.section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--ink);
  margin-bottom: 2rem;
}

.section__title {
  font-variation-settings: 'wdth' 100, 'wght' 700;
  font-size: clamp(1.375rem, 3vw, 2rem);
  letter-spacing: -0.025em;
}

.section__aside {
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--ink-3);
  white-space: nowrap;
}

.textlink {
  font-family: var(--sans);
  font-size: .875rem;
  font-weight: 550;
  color: var(--signal);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}
.textlink svg { width: .875rem; height: .875rem; transition: transform .3s var(--ease); }
.textlink:hover svg { transform: translateX(.25rem); }

/* ------------------------------------------------------------------ 8. giriş listesi */

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

.entry {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr) 9rem;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: clamp(1.25rem, 2.5vw, 2rem) 0;
  border-bottom: 1px solid var(--rule);
  position: relative;
  transition: background-color .3s var(--ease);
}

.entry:hover { background: var(--paper-2); }

.entry__date {
  font-family: var(--mono);
  font-size: .75rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink-3);
  letter-spacing: .04em;
  padding-top: .35rem;
}

.entry__title {
  font-family: var(--sans);
  font-variation-settings: 'wdth' 100, 'wght' 650;
  font-size: clamp(1.125rem, 2.2vw, 1.5rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: .5rem;
}

.entry__title a {
  color: var(--ink);
  text-decoration: none;
}
.entry__title a::after { content: ""; position: absolute; inset: 0; }
.entry:hover .entry__title a { color: var(--signal); }

.entry__excerpt {
  color: var(--ink-2);
  font-size: .9375rem;
  line-height: 1.6;
  max-width: 62ch;
  text-wrap: pretty;
}

.entry__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: .4rem;
  padding-top: .35rem;
  font-family: var(--mono);
  font-size: .6875rem;
  color: var(--ink-3);
  letter-spacing: .06em;
  text-align: right;
}

.entry__tags { display: flex; flex-wrap: wrap; gap: .35rem; justify-content: flex-end; }

.tag {
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .04em;
  color: var(--ink-2);
  border: 1px solid var(--rule);
  padding: .1rem .4rem;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  z-index: 2;
}
.tag:hover { border-color: var(--signal); color: var(--signal); }
.tag[aria-pressed="true"] {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--on-signal);
}

@media (max-width: 55.99em) {
  .entry { grid-template-columns: 1fr; gap: .625rem; }
  .entry__meta { align-items: flex-start; text-align: left; flex-direction: row; flex-wrap: wrap; gap: .5rem 1rem; }
  .entry__tags { justify-content: flex-start; }
  .entry__date { padding-top: 0; }
}

/* öne çıkan ilk giriş — görselli */
.entry--lead { grid-template-columns: minmax(0, 1fr) minmax(0, 20rem); align-items: start; }
.entry--lead .entry__body { display: grid; gap: .75rem; }
.entry--lead .entry__title { font-size: clamp(1.5rem, 3.4vw, 2.25rem); }
.entry--lead .entry__thumb {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
  border: 1px solid var(--rule-strong);
  filter: saturate(.9);
  transition: filter .4s var(--ease);
}
.entry--lead:hover .entry__thumb { filter: saturate(1.05); }

@media (max-width: 55.99em) {
  .entry--lead { grid-template-columns: 1fr; }
  .entry--lead .entry__thumb { aspect-ratio: 16 / 9; order: -1; }
}

/* ------------------------------------------------------------------ 9. araç çubuğu (blog) */

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem 1.25rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--rule);
}

.search {
  display: flex;
  align-items: center;
  gap: .5rem;
  border: 1px solid var(--rule-strong);
  padding: .4rem .6rem;
  background: var(--paper);
  flex: 1 1 16rem;
  max-width: 24rem;
}
.search:focus-within { border-color: var(--ink); }
.search svg { width: .9375rem; height: .9375rem; color: var(--ink-3); flex: none; }
.search input {
  border: 0;
  background: none;
  outline: none;
  width: 100%;
  font-family: var(--sans);
  font-size: .875rem;
}
.search input::placeholder { color: var(--ink-3); }

.filters { display: flex; flex-wrap: wrap; gap: .35rem; align-items: center; }

.sortselect {
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink-2);
  padding: .3rem 1.5rem .3rem .5rem;
  cursor: pointer;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: right .65rem center, right .4rem center;
  background-size: 4px 4px, 4px 4px;
  background-repeat: no-repeat;
}

/* ------------------------------------------------------------------ 10. yazı sayfası */

.article-head { padding-block: clamp(2.5rem, 6vw, 4.5rem) 0; }

.breadcrumb {
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 1.5rem;
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--ink-3); text-decoration: none; }
.breadcrumb a:hover { color: var(--signal); }

.article-title {
  font-variation-settings: 'wdth' 100, 'wght' 750;
  font-size: clamp(1.875rem, 5.2vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  max-width: 20ch;
  margin-bottom: 1.25rem;
}

.article-standfirst {
  font-family: var(--serif);
  font-size: clamp(1.0625rem, 2vw, 1.3125rem);
  line-height: 1.5;
  color: var(--ink-2);
  max-width: 52ch;
  text-wrap: pretty;
  margin-bottom: 1.75rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.25rem;
  align-items: center;
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--ink-3);
  letter-spacing: .05em;
  padding-block: 1rem;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}
.article-meta__item { display: inline-flex; align-items: center; gap: .4rem; }
.article-meta svg { width: .875rem; height: .875rem; }

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  padding-block: clamp(2rem, 4vw, 3rem);
}

@media (min-width: 68em) {
  .article-layout { grid-template-columns: 14rem minmax(0, 1fr); }
}

/* içindekiler */
.toc { display: none; }

@media (min-width: 68em) {
  .toc {
    display: block;
    position: sticky;
    top: 5.5rem;
    align-self: start;
    max-height: calc(100vh - 8rem);
    overflow-y: auto;
    padding-right: .5rem;
  }
  .toc__title {
    font-family: var(--mono);
    font-size: .6875rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--ink-3);
    padding-bottom: .75rem;
    margin-bottom: .75rem;
    border-bottom: 1px solid var(--rule);
  }
  .toc ol { list-style: none; display: grid; gap: .1rem; counter-reset: toc; }
  .toc a {
    display: block;
    font-family: var(--sans);
    font-size: .8125rem;
    line-height: 1.35;
    color: var(--ink-3);
    text-decoration: none;
    padding: .35rem 0 .35rem .875rem;
    border-left: 1px solid var(--rule);
    transition: color .25s var(--ease), border-color .25s var(--ease);
  }
  .toc a:hover { color: var(--ink); }
  .toc a[data-active="true"] { color: var(--ink); border-left-color: var(--signal); font-weight: 550; }
  .toc li.is-sub a { padding-left: 1.75rem; font-size: .75rem; }
}

/* ------------------------------------------------------------------ 11. metin gövdesi */

.prose {
  max-width: var(--measure);
  font-size: 1.125rem;
  line-height: 1.72;
  color: var(--ink);
}

.prose > * + * { margin-top: 1.25em; }

.prose p { text-wrap: pretty; }

.prose h2 {
  font-variation-settings: 'wdth' 100, 'wght' 700;
  font-size: 1.625rem;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-top: 2.75em;
  margin-bottom: .6em;
  padding-top: .9rem;
  border-top: 1px solid var(--rule);
  scroll-margin-top: 6rem;
}

.prose h3 {
  font-variation-settings: 'wdth' 100, 'wght' 650;
  font-size: 1.1875rem;
  letter-spacing: -0.015em;
  margin-top: 2em;
  margin-bottom: .5em;
  scroll-margin-top: 6rem;
}

.prose h4 {
  font-family: var(--mono);
  font-size: .8125rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 1.75em;
  margin-bottom: .35em;
}

.prose a { color: var(--signal); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .2em; }
.prose a:hover { background: var(--signal-wash); }

.prose ul, .prose ol { padding-left: 1.25rem; }
.prose li { margin-top: .5em; padding-left: .35rem; }
.prose li::marker { color: var(--signal); font-family: var(--mono); font-size: .85em; }
.prose ul li::marker { content: "—  "; }

.prose blockquote {
  border-left: 1px solid var(--signal);
  padding: .25rem 0 .25rem 1.5rem;
  font-style: italic;
  color: var(--ink-2);
  font-size: 1.0625em;
}

.prose img {
  width: 100%;
  height: auto;
  border: 1px solid var(--rule-strong);
  background: var(--paper-2);
  margin-inline: auto;
}

.prose figure { margin-block: 2em; }
.prose figcaption {
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--ink-3);
  padding-top: .6rem;
  line-height: 1.5;
}

.prose code {
  font-family: var(--mono);
  font-size: .875em;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: .1em .35em;
  white-space: nowrap;
}

.prose pre {
  font-family: var(--mono);
  font-size: .8125rem;
  line-height: 1.6;
  background: var(--paper-2);
  border: 1px solid var(--rule-strong);
  padding: 1rem 1.125rem;
  overflow-x: auto;
  white-space: pre;
  tab-size: 2;
}
.prose pre code { background: none; border: 0; padding: 0; white-space: pre; font-size: inherit; }

.prose hr { border: 0; border-top: 1px solid var(--rule); margin-block: 2.5em; }

/* tablolar — bir veri sayfası gibi */
.prose .table-scroll { overflow-x: auto; margin-block: 2em; border-bottom: 1px solid var(--rule); }
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: .875rem;
  font-variant-numeric: tabular-nums;
  min-width: 30rem;
}
.prose thead th {
  font-family: var(--mono);
  font-size: .6875rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-align: left;
  padding: .6rem .75rem;
  border-bottom: 1px solid var(--ink);
  white-space: nowrap;
}
.prose tbody td {
  padding: .7rem .75rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  line-height: 1.5;
}
.prose tbody tr:hover { background: var(--paper-2); }
.prose tbody td:first-child { font-weight: 550; }

/* uyarı / not kutusu */
.prose .note {
  border: 1px solid var(--rule-strong);
  border-top: 2px solid var(--signal);
  background: var(--paper-2);
  padding: 1.125rem 1.25rem;
  font-size: 1rem;
  margin-block: 2em;
}
.prose .note > :first-child { margin-top: 0; }
.prose .note strong:first-child {
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--signal);
  display: block;
  margin-bottom: .4rem;
  font-weight: 500;
}

/* Quill editörden gelen hizalama sınıfları */
.prose .ql-align-center { text-align: center; }
.prose .ql-align-right  { text-align: right; }
.prose .ql-align-justify{ text-align: justify; }
.prose .ql-syntax {
  font-family: var(--mono);
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: 1rem;
  overflow-x: auto;
  font-size: .8125rem;
}
.prose iframe { width: 100%; aspect-ratio: 16 / 9; height: auto; border: 1px solid var(--rule-strong); }

/* ------------------------------------------------------------------ 12. yazı altı */

.article-foot { padding-block: 2rem; border-top: 1px solid var(--ink); margin-top: 3rem; }

.reactions { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1rem; }

.react {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--ink-2);
  background: none;
  border: 1px solid var(--rule-strong);
  padding: .45rem .75rem;
  cursor: pointer;
  transition: border-color .25s var(--ease), color .25s var(--ease);
}
.react svg { width: .9375rem; height: .9375rem; }
.react:hover { border-color: var(--ink); color: var(--ink); }
.react[data-on="true"] { border-color: var(--signal); color: var(--signal); }
.react[data-on="true"] svg { fill: var(--signal); }

.share { margin-left: auto; display: flex; gap: .35rem; align-items: center; }

/* ilgili yazılar */
.related { padding-block: clamp(2.5rem, 5vw, 4rem); border-top: 1px solid var(--rule); }
.related__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.related__item { background: var(--paper); padding: 1.25rem; display: grid; gap: .5rem; align-content: start; text-decoration: none; transition: background-color .3s var(--ease); }
.related__item:hover { background: var(--paper-2); }
.related__item h3 { font-size: 1.0625rem; font-variation-settings: 'wdth' 100, 'wght' 620; letter-spacing: -0.015em; color: var(--ink); line-height: 1.25; }
.related__item:hover h3 { color: var(--signal); }
.related__item p { font-size: .875rem; color: var(--ink-2); line-height: 1.55; }

/* ------------------------------------------------------------------ 13. yorumlar */

.comments { padding-block: clamp(2.5rem, 5vw, 4rem); border-top: 1px solid var(--rule); }

.comment {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule);
  display: grid;
  gap: .5rem;
}
.comment--reply { margin-left: clamp(1rem, 4vw, 2.5rem); border-left: 1px solid var(--rule); padding-left: 1.25rem; }

.comment__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: .5rem .75rem; }
.comment__name { font-family: var(--sans); font-weight: 600; font-size: .9375rem; }
.comment__badge {
  font-family: var(--mono);
  font-size: .625rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  background: var(--signal);
  color: var(--on-signal);
  padding: .1rem .35rem;
}
.comment__date { font-family: var(--mono); font-size: .6875rem; color: var(--ink-3); }
.comment__text { color: var(--ink-2); font-size: .9375rem; line-height: 1.6; white-space: pre-wrap; }
.comment__actions { display: flex; gap: .75rem; }

.linkbtn {
  background: none;
  border: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-3);
  cursor: pointer;
  border-bottom: 1px solid transparent;
}
.linkbtn:hover { color: var(--signal); border-bottom-color: currentColor; }

.empty {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--ink-3);
  font-style: italic;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--rule);
}

/* ------------------------------------------------------------------ 14. form */

.form { display: grid; gap: 1rem; max-width: 34rem; }
.form--wide { max-width: none; }

.field { display: grid; gap: .35rem; }

.field > label {
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.field input,
.field textarea {
  border: 1px solid var(--rule-strong);
  background: var(--paper);
  padding: .625rem .75rem;
  font-family: var(--sans);
  font-size: .9375rem;
  width: 100%;
  outline: none;
  transition: border-color .2s var(--ease);
}
.field input:hover, .field textarea:hover { border-color: var(--ink-3); }
.field input:focus, .field textarea:focus { border-color: var(--ink); }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-3); }
.field textarea { resize: vertical; min-height: 8rem; line-height: 1.6; font-family: var(--serif); font-size: 1rem; }

.field__hint { font-family: var(--mono); font-size: .6875rem; color: var(--ink-3); line-height: 1.5; }

.field--hp { position: absolute; left: -9999px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-family: var(--sans);
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .01em;
  background: var(--signal-strong);
  color: var(--on-signal);
  border: 1px solid var(--signal-strong);
  padding: .7rem 1.375rem;
  cursor: pointer;
  text-decoration: none;
  transition: background-color .25s var(--ease), transform .25s var(--ease);
}
.btn:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn svg { width: .9375rem; height: .9375rem; }

.btn--ghost {
  background: none;
  color: var(--ink);
  border-color: var(--rule-strong);
}
.btn--ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.formnote { font-family: var(--mono); font-size: .75rem; line-height: 1.5; }
.formnote[data-tone="ok"]  { color: var(--signal); }
.formnote[data-tone="err"] { color: var(--signal); }

/* ------------------------------------------------------------------ 15. iletişim */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  padding-block: clamp(2rem, 5vw, 3.5rem);
}
@media (max-width: 55.99em) { .contact-grid { grid-template-columns: 1fr; } }

.channels { border-top: 1px solid var(--ink); }
.channel {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .875rem;
  align-items: center;
  padding: .875rem 0;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  color: var(--ink);
}
.channel:hover .channel__val { color: var(--signal); }
.channel svg { width: 1.0625rem; height: 1.0625rem; color: var(--ink-3); }
.channel__key { font-family: var(--mono); font-size: .625rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); display: block; }
.channel__val { font-family: var(--sans); font-size: .9375rem; font-weight: 550; }

/* ------------------------------------------------------------------ 16. alt bant */

.footer { border-top: 1px solid var(--ink); padding-block: clamp(2.5rem, 5vw, 3.5rem) 2rem; margin-top: clamp(3rem, 7vw, 5rem); }

.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(2, minmax(0, 1fr));
  gap: 2rem;
  padding-bottom: 2.5rem;
}
@media (max-width: 47.99em) { .footer__grid { grid-template-columns: 1fr 1fr; } .footer__brand { grid-column: 1 / -1; } }

.footer__name {
  font-family: var(--sans);
  font-variation-settings: 'wdth' 118, 'wght' 750;
  font-size: 1.125rem;
  text-transform: uppercase;
  letter-spacing: .01em;
  margin-bottom: .5rem;
}
.footer__blurb { font-size: .9375rem; color: var(--ink-2); max-width: 30ch; line-height: 1.6; }

.footer__col h2 {
  font-family: var(--mono);
  font-size: .625rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: .75rem;
}
.footer__col ul { list-style: none; display: grid; gap: .4rem; }
.footer__col a { font-family: var(--sans); font-size: .875rem; color: var(--ink-2); text-decoration: none; }
.footer__col a:hover { color: var(--signal); }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .75rem 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: .6875rem;
  color: var(--ink-3);
  letter-spacing: .04em;
}

/* ------------------------------------------------------------------ 17. 404 */

.notfound { padding-block: clamp(4rem, 12vw, 9rem); text-align: left; }
.notfound__code {
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--signal);
  margin-bottom: 1.25rem;
}
.notfound h1 {
  font-variation-settings: 'wdth' 108, 'wght' 780;
  font-size: clamp(2rem, 7vw, 4rem);
  letter-spacing: -0.035em;
  margin-bottom: 1rem;
  text-transform: uppercase;
}
.notfound p { color: var(--ink-2); max-width: 42ch; margin-bottom: 2rem; font-size: 1.0625rem; }

/* ------------------------------------------------------------------ 18. hareket */

/* Tek bir yazılı an: künye açılışta yerine oturur. */
@keyframes settle {
  from { opacity: 0; transform: translateY(1.25rem); filter: blur(6px); }
  to   { opacity: 1; transform: none; filter: blur(0); }
}
@keyframes draw {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

.js .masthead__name { animation: settle .9s var(--ease) both; }
.js .masthead__lede { animation: settle .9s var(--ease) .12s both; }
.js .masthead .spec { animation: settle .9s var(--ease) .2s both; transform-origin: left; }
.js .masthead .figure { animation: settle 1s var(--ease) .28s both; }
.js .masthead-bar { animation: draw .8s var(--ease) both; transform-origin: left; }

/* Sayfanın geri kalanı tek ve aynı sakin geçişle gelir. */
.js [data-reveal] { opacity: 0; transform: translateY(.75rem); }
.js [data-reveal][data-shown="true"] {
  opacity: 1;
  transform: none;
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}

@media (prefers-reduced-motion: reduce) {
  .js .masthead__name,
  .js .masthead__lede,
  .js .masthead .spec,
  .js .masthead .figure,
  .js .masthead-bar { animation: none; }
  .js [data-reveal] { opacity: 1; transform: none; }
  * { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* ------------------------------------------------------------------ 19. baskı */

@media print {
  body::before, .masthead-bar, .toc, .article-foot, .comments, .related, .footer { display: none !important; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .prose { max-width: none; }
  .prose a::after { content: " (" attr(href) ")"; font-size: 9pt; color: #555; }
  .prose h2 { break-after: avoid; }
  .prose img, .prose table { break-inside: avoid; }
}

/* ------------------------------------------------------------------ 20. ikon durumları */

.vh {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.theme-toggle__sun  { display: none; }
.theme-toggle__moon { display: block; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle__sun  { display: block; }
  :root:not([data-theme="light"]) .theme-toggle__moon { display: none; }
}

:root[data-theme="dark"]  .theme-toggle__sun  { display: block; }
:root[data-theme="dark"]  .theme-toggle__moon { display: none; }
:root[data-theme="light"] .theme-toggle__sun  { display: none; }
:root[data-theme="light"] .theme-toggle__moon { display: block; }

.nav-toggle__close { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle__open  { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle__close { display: block; }

/* ------------------------------------------------------------------ 21. ince ayrıntılar */

/* okuma ilerlemesi — üst bandın hemen altında bir cetvel çizgisi */
.progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 60;
  pointer-events: none;
  background: transparent;
}

.progress__bar {
  display: block;
  height: 100%;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left center;
}

/* başlık bağlantısı — yalnızca üstüne gelince belirir */
.prose h2,
.prose h3 { position: relative; }

.anchor {
  position: absolute;
  left: -1.5rem;
  top: 50%;
  transform: translateY(-50%);
  display: inline-grid;
  place-items: center;
  width: 1.25rem;
  height: 1.25rem;
  color: var(--ink-3);
  opacity: 0;
  transition: opacity .2s var(--ease), color .2s var(--ease);
}
.anchor svg { width: .875rem; height: .875rem; }
.anchor:hover { color: var(--signal); }

.prose h2:hover .anchor,
.prose h3:hover .anchor,
.anchor:focus-visible { opacity: 1; }

/* Dar ekranda sola taşacak yer yok: başlığın sonuna alınır */
@media (max-width: 52em) {
  .anchor {
    position: static;
    transform: none;
    margin-left: .4rem;
    vertical-align: middle;
    opacity: .45;
  }
}

/* kod kopyalama düğmesi */
.prose pre { position: relative; }

.copybtn {
  position: absolute;
  top: .4rem;
  right: .4rem;
  font-family: var(--mono);
  font-size: .625rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-3);
  background: var(--paper);
  border: 1px solid var(--rule-strong);
  padding: .2rem .45rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.prose pre:hover .copybtn,
.copybtn:focus-visible { opacity: 1; }
.copybtn:hover { color: var(--ink); border-color: var(--ink); }
.copybtn[data-on="true"] { color: var(--signal); border-color: var(--signal); opacity: 1; }

/* Dokunmatikte hover yok — düğme hep görünür */
@media (hover: none) {
  .copybtn { opacity: .8; }
}

/* büyütülebilir görsel */
.zoomable { cursor: zoom-in; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 5vw, 3rem);
  background: color-mix(in srgb, var(--ink) 88%, transparent);
  opacity: 0;
  transition: opacity .2s var(--ease);
}
.lightbox[data-acik="true"] { opacity: 1; }

.lightbox img {
  max-width: 100%;
  max-height: 88vh;
  width: auto;
  object-fit: contain;
  border: 1px solid var(--rule-strong);
  background: var(--paper);
  cursor: zoom-out;
}

.lightbox__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  display: inline-grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--paper);
  border: 1px solid var(--rule-strong);
  color: var(--ink);
  cursor: pointer;
}
.lightbox__close svg { width: 1.125rem; height: 1.125rem; }
.lightbox__close:hover { background: var(--signal); border-color: var(--signal); color: var(--on-signal); }

/* arama kısayolu ipucu */
.search__hint {
  font-family: var(--mono);
  font-size: .625rem;
  color: var(--ink-3);
  border: 1px solid var(--rule);
  padding: .05rem .3rem;
  flex: none;
  user-select: none;
}
@media (hover: none), (max-width: 47.99em) {
  .search__hint { display: none; }
}

/* dış bağlantı işareti */
.prose a.is-external::after {
  content: "";
  display: inline-block;
  width: .55em;
  height: .55em;
  margin-left: .25em;
  vertical-align: baseline;
  background: currentColor;
  -webkit-mask: no-repeat center / contain
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M14 4h6v6M20 4l-9 9" stroke="black" stroke-width="2.4" fill="none" stroke-linecap="round"/><path d="M18 14v5a1 1 0 0 1-1 1H5a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1h5" stroke="black" stroke-width="2.4" fill="none" stroke-linecap="round"/></svg>');
  mask: no-repeat center / contain
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M14 4h6v6M20 4l-9 9" stroke="black" stroke-width="2.4" fill="none" stroke-linecap="round"/><path d="M18 14v5a1 1 0 0 1-1 1H5a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1h5" stroke="black" stroke-width="2.4" fill="none" stroke-linecap="round"/></svg>');
  opacity: .65;
}

@media (prefers-reduced-motion: reduce) {
  .progress__bar, .anchor, .copybtn, .lightbox { transition: none; }
}

@media print {
  .progress, .copybtn, .anchor, .lightbox { display: none !important; }
}