/* ===========================================================================
   yoklama.ai — ortak stil
   ---------------------------------------------------------------------------
   Tema kurali: TUM renkler bare :root icinde tanimlanir. Media sorgusu ve
   [data-theme] bloklari yalnizca ayni token'lari YENIDEN tanimlar. Bir rengin
   tek tanimi bir media bloğunun icinde kalirsa, tema damgasi olmayan (sistem
   varsayilani) durumda o renk hic uygulanmaz ve sayfa bir temanin metnini
   otekinin zemininde gosterir.
   =========================================================================== */

:root {
  /* --- zeminler ve metin: petrol yonunde soguk notrler --------------------- */
  --paper:        #f2f5f6;
  --surface:      #ffffff;
  --surface-2:    #e8edef;
  --ink:          #141a1f;
  --ink-soft:     #4a565e;
  --ink-faint:    #6f7c85;
  --rule:         #d3dcdf;
  --rule-soft:    #e3eaec;

  /* --- vurgu: petrol mavisi. Yapisal ve dogrulanmis her sey. --------------- */
  --accent:       #0d5c6b;
  --accent-deep:  #084049;
  --accent-wash:  #e2eff1;

  /* --- pirinc: YALNIZCA durustce soylenen sinirlar ve kismi riskler -------- */
  --brass:        #8a5a1e;
  --brass-wash:   #f6eddf;

  /* --- anlamsal durum ------------------------------------------------------ */
  --good:         #2c6e49;
  --good-wash:    #e4efe8;
  --open:         #9b2c2c;
  --open-wash:    #f7e6e6;

  --shadow:       0 1px 2px rgba(20, 26, 31, .05), 0 6px 18px rgba(20, 26, 31, .05);

  /* --- tipografi ----------------------------------------------------------- */
  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --body:    "Newsreader", Georgia, "Times New Roman", serif;
  --mono:    "JetBrains Mono", ui-monospace, "SF Mono", Consolas, monospace;

  --measure: 68ch;
  --page:    72rem;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper:       #10161a;
    --surface:     #171f24;
    --surface-2:   #1e282e;
    --ink:         #e7edef;
    --ink-soft:    #a8b6bd;
    --ink-faint:   #7f8f97;
    --rule:        #2b383f;
    --rule-soft:   #212c32;

    --accent:      #5cb8c6;
    --accent-deep: #8ad3de;
    --accent-wash: #14313a;

    --brass:       #c99a4e;
    --brass-wash:  #33270f;

    --good:        #6aba8b;
    --good-wash:   #16291f;
    --open:        #d97a7a;
    --open-wash:   #2e1717;

    --shadow:      0 1px 2px rgba(0, 0, 0, .3), 0 6px 20px rgba(0, 0, 0, .28);
  }
}

:root[data-theme="dark"] {
  --paper:       #10161a;
  --surface:     #171f24;
  --surface-2:   #1e282e;
  --ink:         #e7edef;
  --ink-soft:    #a8b6bd;
  --ink-faint:   #7f8f97;
  --rule:        #2b383f;
  --rule-soft:   #212c32;

  --accent:      #5cb8c6;
  --accent-deep: #8ad3de;
  --accent-wash: #14313a;

  --brass:       #c99a4e;
  --brass-wash:  #33270f;

  --good:        #6aba8b;
  --good-wash:   #16291f;
  --open:        #d97a7a;
  --open-wash:   #2e1717;

  --shadow:      0 1px 2px rgba(0, 0, 0, .3), 0 6px 20px rgba(0, 0, 0, .28);
}

/* --------------------------------------------------------------- temel ---- */

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

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

body {
  margin: 0;
  background: var(--paper);          /* saydam birakilirsa host zemini sizar */
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.68;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .display {
  font-family: var(--display);
  font-weight: 650;
  line-height: 1.18;
  letter-spacing: -.015em;
  text-wrap: balance;
  margin: 0;
  color: var(--ink);
}

h1 { font-size: clamp(2.05rem, 1.4rem + 2.7vw, 3.35rem); letter-spacing: -.03em; }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.1vw, 1.95rem); letter-spacing: -.022em; }
h3 { font-size: 1.125rem; letter-spacing: -.01em; }
h4 { font-size: .95rem; letter-spacing: -.005em; }

p { margin: 0 0 1.05em; max-width: var(--measure); }
ul, ol { max-width: var(--measure); padding-left: 1.25rem; }
li { margin-bottom: .5em; }
li::marker { color: var(--accent); }

a { color: var(--accent); text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent); text-underline-offset: .18em; }
a:hover { text-decoration-color: var(--accent); }

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

strong, b { font-weight: 600; color: var(--ink); }
em { font-style: italic; }

code, .mono { font-family: var(--mono); font-size: .85em; }

hr { border: 0; border-top: 1px solid var(--rule); margin: 3rem 0; }

/* ------------------------------------------------------------- yerlesim ---- */

.page { max-width: var(--page); margin: 0 auto; padding: 0 1.5rem; }

section { padding: 3.25rem 0; border-top: 1px solid var(--rule-soft); }
section:first-of-type { border-top: 0; }

.lead {
  font-size: 1.16rem;
  color: var(--ink-soft);
  max-width: 62ch;
  margin-bottom: 2rem;
}

.eyebrow {
  font-family: var(--display);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 .7rem;
}

.section-head { margin-bottom: 1.75rem; }
.section-head h2 { margin-bottom: .6rem; }

/* ------------------------------------------------------------- ust menu ---- */

.masthead {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--rule);
}

.masthead-inner {
  max-width: var(--page);
  margin: 0 auto;
  padding: .7rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.wordmark {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -.03em;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: .12em;
}
.wordmark .tld { color: var(--accent); font-weight: 600; }

.navlinks {
  display: flex;
  gap: 1.15rem;
  flex-wrap: wrap;
  font-family: var(--display);
  font-size: .875rem;
  font-weight: 500;
  margin-left: auto;
}
.navlinks a { color: var(--ink-soft); text-decoration: none; padding: .2rem 0; border-bottom: 2px solid transparent; }
.navlinks a:hover { color: var(--ink); border-bottom-color: var(--rule); }
.navlinks a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

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

.hero { padding: 4rem 0 3.25rem; border-top: 0; }
.hero h1 { margin-bottom: 1.1rem; max-width: 20ch; }
.hero .sub { font-size: 1.24rem; color: var(--ink-soft); max-width: 56ch; }

.tag {
  display: inline-block;
  font-family: var(--display);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--accent-deep);
  background: var(--accent-wash);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  padding: .3rem .6rem;
  margin-bottom: 1.4rem;
}

.hero-note {
  border-left: 3px solid var(--accent);
  padding: .1rem 0 .1rem 1.1rem;
  color: var(--ink-soft);
  font-size: .98rem;
  max-width: 58ch;
  margin-top: 1.75rem;
}

/* -------------------------------------------------------------- kartlar ---- */

.grid { display: grid; gap: 1rem; }
.grid.two   { grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr)); }
.grid.three { grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.grid.four  { grid-template-columns: repeat(auto-fit, minmax(12.5rem, 1fr)); }

.card {
  background: var(--surface);
  border: 1px solid var(--rule);
  padding: 1.35rem;
  box-shadow: var(--shadow);
}
.card h3 { margin-bottom: .5rem; }
.card p { font-size: .95rem; color: var(--ink-soft); margin-bottom: 0; max-width: none; }
.card p + p { margin-top: .7rem; }

.stat {
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -.03em;
  color: var(--accent);
  line-height: 1;
  display: block;
  margin-bottom: .6rem;
  font-variant-numeric: tabular-nums;
}
cite {
  display: block;
  margin-top: .85rem;
  font-family: var(--display);
  font-size: .75rem;
  font-style: normal;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ------------------------------------------------------- katman yigini ----- */

.layers { display: grid; gap: 0; border-top: 1px solid var(--rule); }

.layer {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  gap: 1.25rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--rule-soft);
}
.layer > .n {
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.layer h3 { margin-bottom: .45rem; }
.layer p { font-size: .98rem; color: var(--ink-soft); margin-bottom: .6rem; }
.layer p:last-child { margin-bottom: 0; }

.closes {
  font-family: var(--display);
  font-size: .85rem;
  font-weight: 500;
  color: var(--good);
  background: var(--good-wash);
  display: inline-block;
  padding: .3rem .6rem;
  margin: 0;
}

/* Katman gruplari bir bilgi tasir: 1-6 anlik, 7-8 zamansal, 9 denetlenebilirlik */
.layer-group {
  font-family: var(--display);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding: 1.6rem 0 .5rem;
  border-bottom: 1px solid var(--rule);
}
.layer-group:first-child { padding-top: .25rem; }

/* --------------------------------------------------------------- adimlar --- */

.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; max-width: none; }
.steps > li {
  counter-increment: step;
  position: relative;
  padding: 0 0 1.9rem 3.25rem;
  border-left: 1px solid var(--rule);
  margin-left: 1rem;
  margin-bottom: 0;
  max-width: none;
}
.steps > li:last-child { border-left-color: transparent; padding-bottom: .5rem; }
.steps > li::before {
  content: counter(step);
  position: absolute;
  left: -1rem;
  top: -.15rem;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: var(--surface);
  font-family: var(--display);
  font-size: .9rem;
  font-weight: 650;
  border-radius: 50%;
  font-variant-numeric: tabular-nums;
}
.steps h3 { margin-bottom: .4rem; }
.steps p { font-size: .98rem; color: var(--ink-soft); margin-bottom: .5rem; }
.steps p:last-child { margin-bottom: 0; }

/* --------------------------------------------------------------- tablo ----- */

.tablewrap {
  overflow-x: auto;
  border: 1px solid var(--rule);
  background: var(--surface);
  margin: 1.5rem 0;
}
table { border-collapse: collapse; width: 100%; font-family: var(--display); font-size: .82rem; }
th, td { padding: .6rem .7rem; text-align: left; border-bottom: 1px solid var(--rule-soft); white-space: nowrap; }
thead th {
  position: sticky;
  top: 0;
  background: var(--surface-2);
  font-weight: 600;
  font-size: .72rem;
  letter-spacing: .045em;
  text-transform: uppercase;
  color: var(--ink-soft);
  white-space: normal;
  vertical-align: bottom;
}
tbody tr:hover { background: var(--surface-2); }
td.wrap, th.wrap { white-space: normal; min-width: 12rem; }
tr.us td { background: var(--accent-wash); font-weight: 600; }
tr.us:hover td { background: var(--accent-wash); }

.y { color: var(--good); font-weight: 600; }
.n { color: var(--ink-faint); }
.q { color: var(--ink-faint); font-weight: 600; }
.p { color: var(--brass); font-weight: 600; }

.legend { font-family: var(--display); font-size: .78rem; color: var(--ink-faint); max-width: none; }
.legend .y, .legend .p, .legend .q, .legend .n { margin-right: .15rem; }

/* --------------------------------------------------------------- notlar ---- */

.callout {
  border-left: 3px solid var(--accent);
  background: var(--accent-wash);
  padding: 1.1rem 1.25rem;
  margin: 1.5rem 0;
  max-width: var(--measure);
}
.callout p { margin-bottom: 0; font-size: .97rem; }
.callout p + p { margin-top: .7rem; }
.callout h3 { margin-bottom: .45rem; font-size: 1rem; }

/* Pirinc: yalnizca durustce soylenen sinirlar. Baska yerde kullanilmaz. */
.limits {
  border-left: 3px solid var(--brass);
  background: var(--brass-wash);
  padding: 1.35rem 1.5rem;
  max-width: none;
}
.limits ul { margin: 0; max-width: none; padding-left: 1.15rem; }
.limits li { color: var(--ink-soft); font-size: .98rem; }
.limits li::marker { color: var(--brass); }
.limits li b { color: var(--ink); }

.warn {
  border-left: 3px solid var(--brass);
  background: var(--brass-wash);
  padding: 1.1rem 1.25rem;
  margin: 1.5rem 0;
  max-width: var(--measure);
}
.warn p { margin-bottom: 0; font-size: .97rem; }

/* ---------------------------------------------------------------- rozet ---- */

.pill {
  display: inline-block;
  font-family: var(--display);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .2rem .5rem;
  border: 1px solid currentColor;
  white-space: nowrap;
}
.pill.ok   { color: var(--good); background: var(--good-wash); }
.pill.part { color: var(--brass); background: var(--brass-wash); }
.pill.open { color: var(--open); background: var(--open-wash); }
.pill.plan { color: var(--ink-faint); background: var(--surface-2); }

/* -------------------------------------------------------------- eylemler --- */

.actions { display: flex; gap: .75rem; flex-wrap: wrap; margin: 1.75rem 0 0; }

.btn {
  display: inline-block;
  font-family: var(--display);
  font-size: .92rem;
  font-weight: 600;
  padding: .65rem 1.15rem;
  text-decoration: none;
  border: 1px solid var(--accent);
  transition: background .15s ease, color .15s ease;
}
.btn.primary { background: var(--accent); color: var(--surface); }
.btn.primary:hover { background: var(--accent-deep); border-color: var(--accent-deep); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.ghost:hover { background: var(--accent-wash); }

.linklist { display: flex; gap: 1.5rem; flex-wrap: wrap; font-family: var(--display); font-size: .9rem; margin-top: 1.5rem; }

/* ------------------------------------------------------------ tanim listesi */

.defs { display: grid; gap: 0; border-top: 1px solid var(--rule); margin: 1.5rem 0 0; }
.def {
  display: grid;
  grid-template-columns: minmax(9rem, 15rem) 1fr;
  gap: 1.5rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--rule-soft);
}
.def dt { font-family: var(--display); font-weight: 600; font-size: .95rem; }
.def dd { margin: 0; font-size: .98rem; color: var(--ink-soft); }
.def dd p { margin-bottom: .6rem; max-width: none; }
.def dd p:last-child { margin-bottom: 0; }

/* ---------------------------------------------------------------- alt bilgi */

.sitefoot {
  border-top: 1px solid var(--rule);
  background: var(--surface);
  margin-top: 2rem;
  padding: 2.75rem 0 3.5rem;
}
.sitefoot .page { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }
.sitefoot h4 { font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: .8rem; }
.sitefoot ul { list-style: none; padding: 0; margin: 0; }
.sitefoot li { margin-bottom: .45rem; font-family: var(--display); font-size: .88rem; }
.sitefoot a { text-decoration: none; }
.sitefoot a:hover { text-decoration: underline; }
.sitefoot .disclaimer { font-size: .88rem; color: var(--ink-faint); max-width: 40ch; }

/* --------------------------------------------------------------- yardimci -- */

.full { max-width: none; }
.muted { color: var(--ink-faint); }
.small { font-size: .9rem; }
.receipt {
  font-family: var(--mono);
  font-size: .82rem;
  background: var(--surface-2);
  border: 1px solid var(--rule);
  padding: .9rem 1rem;
  overflow-x: auto;
  white-space: pre;
  margin: 1.25rem 0;
}

@media (max-width: 46rem) {
  .def { grid-template-columns: 1fr; gap: .35rem; }
  .layer { grid-template-columns: 2.25rem 1fr; gap: .9rem; }
  .navlinks { gap: .85rem; font-size: .82rem; margin-left: 0; width: 100%; }
  body { font-size: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}