/* ==========================================================================
   Sorgu Paneli Bilgi Merkezi — ortak stil
   Kurumsal güvenlik bülteni estetiği: düz yüzeyler, saç teli çizgiler,
   tek bir uyarı rengi. Gölge ve yuvarlatma yok.
   ========================================================================== */

:root {
  /* Açık tema — tam palet burada tanımlı */
  --bg:        #f4f6f7;
  --surface:   #ffffff;
  --surface-2: #eceff1;
  --fg:        #131a21;
  --muted:     #59656f;
  --rule:      #d5dbe0;
  --rule-hard: #b9c2c9;
  --signal:    #a8171f;
  --signal-bg: #fbf0f0;
  --link:      #0d4f63;
  --link-hover:#093a49;
  --ok:        #1d6b4f;

  --serif: Georgia, "Iowan Old Style", "Times New Roman", Times, serif;
  --sans:  system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono:  ui-monospace, "SFMono-Regular", "Cascadia Mono", Consolas, "Liberation Mono", monospace;

  --measure: 68ch;
  --gap-1: .375rem;
  --gap-2: .75rem;
  --gap-3: 1.25rem;
  --gap-4: 2rem;
  --gap-5: 3.25rem;
  --gap-6: 5rem;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:        #0e1317;
    --surface:   #161d23;
    --surface-2: #1d262d;
    --fg:        #e8edf1;
    --muted:     #93a1ac;
    --rule:      #29333b;
    --rule-hard: #3b4750;
    --signal:    #e35d5d;
    --signal-bg: #24171a;
    --link:      #5bb3c9;
    --link-hover:#8fd0e0;
    --ok:        #4bb98d;
  }
}

:root[data-theme="dark"] {
  --bg:        #0e1317;
  --surface:   #161d23;
  --surface-2: #1d262d;
  --fg:        #e8edf1;
  --muted:     #93a1ac;
  --rule:      #29333b;
  --rule-hard: #3b4750;
  --signal:    #e35d5d;
  --signal-bg: #24171a;
  --link:      #5bb3c9;
  --link-hover:#8fd0e0;
  --ok:        #4bb98d;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  font-synthesis-weight: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

/* ---------- Üst bant --------------------------------------------------- */

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

.masthead__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-3);
  min-height: 68px;
  flex-wrap: wrap;
}

.wordmark {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -.015em;
  color: var(--fg);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: .55rem;
}

.wordmark span {
  font-family: var(--mono);
  font-size: .62rem;
  font-weight: 400;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav {
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
  font-size: .875rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: .35rem 0;
  border-bottom: 2px solid transparent;
}

.nav a:hover { color: var(--fg); border-bottom-color: var(--rule-hard); }
.nav a[aria-current="page"] { color: var(--fg); border-bottom-color: var(--signal); }

/* ---------- Sayfa iskeleti --------------------------------------------- */

.shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.doc {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: var(--gap-5);
  align-items: start;
  padding: var(--gap-5) 0 var(--gap-6);
}

@media (max-width: 900px) {
  .doc { grid-template-columns: minmax(0, 1fr); gap: var(--gap-4); padding-top: var(--gap-4); }
}

/* Sol künye rayı */
.rail {
  position: sticky;
  top: 1.5rem;
  font-family: var(--mono);
  font-size: .7rem;
  line-height: 1.7;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: var(--gap-3);
}

@media (max-width: 900px) {
  .rail {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--gap-3);
    padding-bottom: var(--gap-3);
    border-bottom: 1px solid var(--rule);
  }
}

.rail dt {
  text-transform: uppercase;
  letter-spacing: .13em;
  color: var(--rule-hard);
  margin-bottom: .15rem;
}

.rail dd { margin: 0; color: var(--muted); }
.rail dl { margin: 0; }
.rail dl + dl { margin-top: var(--gap-3); }

@media (max-width: 900px) {
  .rail dl + dl { margin-top: 0; }
  .rail dl { min-width: 8rem; }
}

/* ---------- Başlıklar --------------------------------------------------- */

.eyebrow {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 var(--gap-3);
}

h1 {
  font-family: var(--serif);
  font-size: clamp(2.1rem, 5.2vw, 3.15rem);
  line-height: 1.08;
  letter-spacing: -.022em;
  font-weight: 700;
  margin: 0 0 var(--gap-3);
  text-wrap: balance;
  max-width: 22ch;
}

.standfirst {
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--muted);
  max-width: 58ch;
  margin: 0 0 var(--gap-4);
  padding-bottom: var(--gap-4);
  border-bottom: 3px solid var(--fg);
}

h2 {
  font-family: var(--serif);
  font-size: clamp(1.45rem, 3vw, 1.85rem);
  line-height: 1.2;
  letter-spacing: -.015em;
  font-weight: 700;
  margin: var(--gap-5) 0 var(--gap-2);
  max-width: 30ch;
  text-wrap: balance;
}

h2 .num {
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 400;
  letter-spacing: .1em;
  color: var(--signal);
  display: block;
  margin-bottom: .5rem;
}

h3 {
  font-family: var(--sans);
  font-size: 1.02rem;
  font-weight: 650;
  letter-spacing: -.005em;
  margin: var(--gap-4) 0 var(--gap-1);
  max-width: var(--measure);
}

/* ---------- Metin ------------------------------------------------------- */

p, li { max-width: var(--measure); }
p { margin: 0 0 var(--gap-3); }

.lede {
  font-size: 1.06rem;
  border-left: 3px solid var(--fg);
  padding-left: var(--gap-3);
  margin-bottom: var(--gap-4);
}

.lede p:last-child { margin-bottom: 0; }

strong { font-weight: 650; }

a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--link-hover); }
a:focus-visible { outline: 2px solid var(--link); outline-offset: 3px; border-radius: 1px; }

ul, ol { margin: 0 0 var(--gap-3); padding-left: 1.35rem; }
li { margin-bottom: var(--gap-1); }
li::marker { color: var(--rule-hard); }

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: var(--gap-5) 0;
  max-width: var(--measure);
}

/* ---------- Uyarı / bilgi blokları ------------------------------------- */

.notice {
  background: var(--signal-bg);
  border-left: 3px solid var(--signal);
  padding: var(--gap-3) var(--gap-3);
  margin: var(--gap-4) 0;
  max-width: var(--measure);
}

.notice__label {
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 var(--gap-1);
}

.notice p:last-child { margin-bottom: 0; }

.aside {
  background: var(--surface-2);
  border-left: 3px solid var(--rule-hard);
  padding: var(--gap-3);
  margin: var(--gap-4) 0;
  max-width: var(--measure);
  font-size: .95rem;
}

.aside p:last-child { margin-bottom: 0; }

.aside__label {
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 var(--gap-1);
}

/* ---------- Tablo ------------------------------------------------------- */

.table-wrap {
  overflow-x: auto;
  margin: var(--gap-3) 0 var(--gap-4);
  border-top: 2px solid var(--fg);
  border-bottom: 1px solid var(--rule-hard);
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 34rem;
  font-size: .93rem;
  font-variant-numeric: tabular-nums;
}

th, td {
  text-align: left;
  padding: .7rem .9rem .7rem 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

th {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 400;
  white-space: nowrap;
}

tbody tr:last-child td { border-bottom: 0; }
td code { font-family: var(--mono); font-size: .86em; color: var(--signal); white-space: nowrap; }

/* ---------- Adım listesi ------------------------------------------------ */

.steps { list-style: none; padding: 0; margin: var(--gap-3) 0 var(--gap-4); counter-reset: s; }

.steps > li {
  counter-increment: s;
  position: relative;
  padding-left: 2.6rem;
  margin-bottom: var(--gap-3);
  max-width: var(--measure);
}

.steps > li::before {
  content: counter(s, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .12em;
  font-family: var(--mono);
  font-size: .74rem;
  color: var(--signal);
  border: 1px solid var(--rule-hard);
  padding: .1rem .3rem;
}

.steps h3 { margin-top: 0; }

/* ---------- Kart ızgarası ----------------------------------------------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin: var(--gap-4) 0;
}

.card {
  background: var(--surface);
  padding: var(--gap-3);
  display: flex;
  flex-direction: column;
  gap: var(--gap-1);
}

.card__kicker {
  font-family: var(--mono);
  font-size: .64rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.card h3 { margin: 0; font-size: 1.05rem; font-family: var(--serif); font-weight: 700; }
.card h3 a { color: var(--fg); text-decoration: none; }
.card h3 a:hover { color: var(--link); text-decoration: underline; }
.card p { font-size: .92rem; color: var(--muted); margin: 0; max-width: none; }

/* ---------- Üst ihbar bandı (sayfada ilk görülen blok) ------------------ */

.alertband {
  background: var(--surface);
  border: 1px solid var(--rule-hard);
  border-left: 4px solid var(--signal);
  padding: var(--gap-3) var(--gap-3) var(--gap-3) var(--gap-4);
  margin: 0 0 var(--gap-5);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--gap-2) var(--gap-4);
  align-items: center;
}

@media (max-width: 700px) {
  .alertband {
    grid-template-columns: minmax(0, 1fr);
    padding-left: var(--gap-3);
  }
}

.alertband__label {
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 var(--gap-1);
}

.alertband p {
  margin: 0;
  max-width: 52ch;
  font-size: .95rem;
}

.alertband__links {
  font-family: var(--mono);
  font-size: .7rem;
  color: var(--muted);
  margin-top: var(--gap-1) !important;
  letter-spacing: .02em;
}

.alertband .btn { margin-top: 0; white-space: nowrap; }

/* ---------- Resmî kaynak bloğu ------------------------------------------ */

.official {
  border: 2px solid var(--fg);
  padding: var(--gap-4);
  margin: var(--gap-5) 0;
  max-width: var(--measure);
  background: var(--surface);
}

.official h2 { margin-top: 0; font-size: 1.3rem; }
.official p { font-size: .96rem; }

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .09em;
  text-transform: uppercase;
  background: var(--fg);
  color: var(--surface);
  padding: .8rem 1.4rem;
  text-decoration: none;
  border: 2px solid var(--fg);
  margin-top: var(--gap-2);
}

.btn:hover { background: transparent; color: var(--fg); }
.btn:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }

.btn-note {
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--muted);
  margin-top: var(--gap-2);
  letter-spacing: .02em;
}

/* ---------- SSS --------------------------------------------------------- */

.faq { max-width: var(--measure); margin: var(--gap-3) 0 var(--gap-4); border-top: 1px solid var(--rule); }
.faq details { border-bottom: 1px solid var(--rule); }

.faq summary {
  cursor: pointer;
  padding: var(--gap-3) 2rem var(--gap-3) 0;
  font-weight: 600;
  list-style: none;
  position: relative;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  position: absolute;
  right: .35rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  color: var(--signal);
  font-size: 1.1rem;
}

.faq details[open] summary::after { content: "\2212"; }
.faq summary:focus-visible { outline: 2px solid var(--link); outline-offset: -2px; }
.faq details > p { padding: 0 0 var(--gap-3); color: var(--muted); font-size: .96rem; }

/* ---------- İç bağlantı şeridi ------------------------------------------ */

.readnext {
  border-top: 2px solid var(--fg);
  margin-top: var(--gap-5);
  padding-top: var(--gap-3);
  max-width: var(--measure);
}

.readnext__label {
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 var(--gap-2);
}

.readnext ul { list-style: none; padding: 0; margin: 0; }
.readnext li { margin-bottom: var(--gap-1); }

/* ---------- Alt bilgi --------------------------------------------------- */

.colophon {
  border-top: 1px solid var(--rule);
  background: var(--surface);
  padding: var(--gap-4) 0;
  font-size: .86rem;
  color: var(--muted);
}

.colophon__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
  gap: var(--gap-3) var(--gap-4);
}

.colophon p { max-width: 42ch; margin: 0 0 var(--gap-1); }
.colophon ul { list-style: none; padding: 0; margin: 0; }

.colophon strong {
  display: block;
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--fg);
  margin-bottom: var(--gap-1);
  font-weight: 400;
}

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 10;
  background: var(--fg);
  color: var(--surface);
  padding: .6rem 1rem;
}

@media print {
  .masthead, .rail, .btn, .readnext { display: none; }
  body { background: #fff; color: #000; font-size: 11pt; }
}