/* ============================================================
   WhoisSorgulama.tr — tema değişkenleri
   Varsayılan açık tema; koyu tema <html data-theme="dark"> ile açılır.
   ============================================================ */

:root {
  color-scheme: light;

  --bg:            #F7FAFD;
  --bg-soft:       #EDF3FA;
  --surface:       #FFFFFF;
  --surface-2:     #EDF3FB;
  --border:        #D2DEEE;
  --border-soft:   #E3EBF6;

  --text:          #0F1B2E;
  --text-dim:      #55677F;
  --text-faint:    #7A8AA1;

  --accent:        #2563EB;
  --accent-2:      #0E96B4;
  --accent-rgb:    37, 99, 235;
  --accent-2-rgb:  14, 150, 180;
  --on-accent:     #FFFFFF;

  --ok:            #0F9D6E;   --ok-rgb:      15, 157, 110;
  --warn:          #B4690E;   --warn-rgb:    180, 105, 14;
  --bad:           #DC2E4E;   --bad-rgb:     220, 46, 78;
  --neutral:       #64748B;   --neutral-rgb: 100, 116, 139;

  --code-bg:       #0F1B2E;
  --code-text:     #C7D4E8;

  --dot:           rgba(37, 99, 235, .13);
  --glow-1:        #93C5FD;
  --glow-2:        #A5F3FC;
  --glow-opacity:  .5;

  --shadow:        0 18px 42px -24px rgba(15, 27, 46, .45);
  --shadow-soft:   0 2px 8px -4px rgba(15, 27, 46, .18);

  --radius:        16px;
  --radius-sm:     10px;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'Cascadia Code', Consolas, monospace;
}

:root[data-theme="dark"] {
  color-scheme: dark;

  --bg:            #080D1A;
  --bg-soft:       #101827;
  --surface:       #151F32;
  --surface-2:     #1C2740;
  --border:        #263449;
  --border-soft:   #1E2A3D;

  --text:          #F1F5F9;
  --text-dim:      #94A3B8;
  --text-faint:    #64748B;

  --accent:        #3B82F6;
  --accent-2:      #22D3EE;
  --accent-rgb:    59, 130, 246;
  --accent-2-rgb:  34, 211, 238;
  --on-accent:     #FFFFFF;

  --ok:            #34D399;   --ok-rgb:      52, 211, 153;
  --warn:          #FBBF24;   --warn-rgb:    251, 191, 36;
  --bad:           #FB7185;   --bad-rgb:     251, 113, 133;
  --neutral:       #94A3B8;   --neutral-rgb: 148, 163, 184;

  --code-bg:       #050B16;
  --code-text:     #B6C3D9;

  --dot:           rgba(148, 163, 184, .12);
  --glow-1:        #1E3A8A;
  --glow-2:        #0E7490;
  --glow-opacity:  .34;

  --shadow:        0 20px 50px -20px rgba(0, 0, 0, .85);
  --shadow-soft:   0 2px 10px -6px rgba(0, 0, 0, .7);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color .3s ease, color .3s ease;
}

/* Sınıf kuralları tarayıcının [hidden] kuralını ezdiği için açıkça gizlenir. */
[hidden] { display: none !important; }

/* Arka plan: noktalı ızgara + iki yumuşak ışık */

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, var(--dot) 1px, transparent 0);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(ellipse 90% 55% at 50% 0%, #000 35%, transparent 100%);
  mask-image: radial-gradient(ellipse 90% 55% at 50% 0%, #000 35%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

.glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: var(--glow-opacity);
  pointer-events: none;
  z-index: 0;
  transition: opacity .3s ease, background-color .3s ease;
}

.glow-1 { top: -240px; left: 50%; width: 640px; height: 640px; margin-left: -320px; background: var(--glow-1); }
.glow-2 { top: 170px; right: -190px; width: 440px; height: 440px; background: var(--glow-2); opacity: calc(var(--glow-opacity) * .7); }

main, .site-header, .site-footer { position: relative; z-index: 1; }

/* ---------- Üst bar ---------- */

.site-header {
  max-width: 1120px;
  margin: 0 auto;
  padding: 22px 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -.02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 6px 18px -6px rgba(var(--accent-rgb), .75);
}

.brand-mark svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: var(--on-accent);
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand-text { font-size: 17.5px; letter-spacing: -.025em; }
.brand-text .brand-soft { color: var(--text-dim); font-weight: 600; }
.brand-text b { color: var(--accent-2); font-weight: 700; }

.brand:hover .brand-text .brand-soft { color: var(--text); }

.header-right { display: flex; align-items: center; gap: 20px; }

.header-nav { display: flex; gap: 20px; }

.header-nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color .15s;
}
.header-nav a:hover { color: var(--text); }

/* Tema düğmesi */

.theme-toggle {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface);
  color: var(--text-dim);
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: color .15s, border-color .15s, transform .15s, background-color .3s;
}

.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }
.theme-toggle:active { transform: scale(.93); }

.theme-toggle svg {
  position: absolute;
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: opacity .22s ease, transform .32s ease;
}

.theme-toggle { position: relative; overflow: hidden; }

/* Açık temada ay (koyuya geç), koyu temada güneş (açığa dön) gösterilir. */
.icon-sun  { opacity: 0; transform: rotate(-70deg) scale(.5); }
.icon-moon { opacity: 1; transform: none; }

:root[data-theme="dark"] .icon-sun  { opacity: 1; transform: none; }
:root[data-theme="dark"] .icon-moon { opacity: 0; transform: rotate(70deg) scale(.5); }

/* ---------- Hero + arama ---------- */

main { max-width: 1120px; margin: 0 auto; padding: 0 22px 70px; }

.hero { text-align: center; padding: 62px 0 40px; }

.hero h1 {
  margin: 0 auto 14px;
  max-width: 780px;
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.12;
}

.h1-main {
  display: block;
  font-size: clamp(34px, 6vw, 56px);
}

.h1-sub {
  display: block;
  margin-top: 10px;
  font-size: clamp(17px, 2.4vw, 24px);
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--text-dim);
}

/* Ekran okuyucular için görünür, gözle görünmez başlıklar */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.grad {
  background: linear-gradient(100deg, var(--accent) 10%, var(--accent-2) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  margin: 0 auto;
  max-width: 620px;
  color: var(--text-dim);
  font-size: 16px;
}

.search { margin-top: 34px; }

.search-box {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 680px;
  margin: 0 auto;
  padding: 9px 9px 9px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow);
  transition: border-color .18s, box-shadow .18s, background-color .3s;
}

.search-box:focus-within {
  border-color: rgba(var(--accent-rgb), .65);
  box-shadow: var(--shadow), 0 0 0 4px rgba(var(--accent-rgb), .13);
}

.search-icon {
  flex-shrink: 0;
  width: 19px;
  height: 19px;
  fill: none;
  stroke: var(--text-faint);
  stroke-width: 2;
  stroke-linecap: round;
}

#domain-input {
  flex: 1;
  min-width: 0;
  padding: 12px 2px;
  border: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--font);
  font-size: 16.5px;
  font-weight: 500;
  outline: none;
}

#domain-input::placeholder { color: var(--text-faint); }

#search-button {
  position: relative;
  flex-shrink: 0;
  padding: 13px 28px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--on-accent);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 8px 20px -10px rgba(var(--accent-rgb), .9);
  transition: filter .15s, transform .1s;
}

#search-button:hover:not(:disabled) { filter: brightness(1.1); }
#search-button:active:not(:disabled) { transform: scale(.97); }
#search-button:disabled { cursor: progress; opacity: .85; }

.spinner {
  display: none;
  position: absolute;
  inset: 0;
  margin: auto;
  width: 17px;
  height: 17px;
  border: 2px solid rgba(255, 255, 255, .35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

body.loading .spinner { display: block; }
body.loading .btn-label { visibility: hidden; }

.chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  color: var(--text-faint);
  font-size: 13px;
}

.chips-label { font-weight: 500; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 12.5px;
  cursor: pointer;
  transition: border-color .15s, color .15s, background-color .15s, transform .15s;
}

.chip:hover {
  border-color: var(--accent);
  color: var(--text);
  background: var(--surface-2);
  transform: translateY(-1px);
}

.chip svg { width: 12px; height: 12px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }

.chip-clear {
  border-style: dashed;
  font-family: var(--font);
  font-size: 12px;
}

/* ---------- Uyarı kutusu ---------- */

.alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  max-width: 680px;
  margin: 0 auto 26px;
  padding: 15px 18px;
  border: 1px solid rgba(var(--bad-rgb), .35);
  border-radius: var(--radius-sm);
  background: rgba(var(--bad-rgb), .08);
  color: var(--bad);
  font-size: 14.5px;
  font-weight: 500;
}

.alert svg { flex-shrink: 0; width: 19px; height: 19px; margin-top: 2px; stroke: currentColor; fill: none; }

/* ---------- Sonuç ---------- */

.result { animation: rise .35s ease both; }

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow-soft);
  transition: background-color .3s, border-color .3s;
}

/* Başlık kartı */

.summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  padding: 24px 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    radial-gradient(900px 220px at 0% 0%, rgba(var(--accent-rgb), .12), transparent 70%),
    var(--surface);
  box-shadow: var(--shadow);
}

.summary-main { min-width: 0; }

.summary h2 {
  margin: 0 0 6px;
  font-size: clamp(22px, 3.4vw, 31px);
  font-weight: 700;
  letter-spacing: -.02em;
  word-break: break-all;
  font-family: var(--mono);
}

.summary-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  color: var(--text-dim);
  font-size: 13.5px;
}

.summary-meta b { color: var(--text); font-weight: 600; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 17px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.badge::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 10px currentColor;
}

.badge.ok      { background: rgba(var(--ok-rgb), .12);      color: var(--ok);      border: 1px solid rgba(var(--ok-rgb), .3); }
.badge.warn    { background: rgba(var(--warn-rgb), .12);    color: var(--warn);    border: 1px solid rgba(var(--warn-rgb), .3); }
.badge.bad     { background: rgba(var(--bad-rgb), .12);     color: var(--bad);     border: 1px solid rgba(var(--bad-rgb), .3); }
.badge.neutral { background: rgba(var(--neutral-rgb), .12); color: var(--neutral); border: 1px solid rgba(var(--neutral-rgb), .3); }

/* Ölçüm kartları */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.stat {
  position: relative;
  overflow: hidden;
  padding: 20px 22px;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  animation: rise .45s ease both;
  animation-delay: calc(var(--i, 0) * 70ms);
  transition: border-color .18s, transform .18s, box-shadow .18s;
}

.stat:hover {
  border-color: var(--border);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.stat::after {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  opacity: .65;
}

.stat.level-ok::after   { background: var(--ok); }
.stat.level-warn::after { background: var(--warn); }
.stat.level-bad::after  { background: var(--bad); }

.stat-label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-faint);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .03em;
}

.stat-label svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.stat-value {
  margin-top: 9px;
  font-size: 25px;
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.2;
}

.stat-value.small { font-size: 20px; }
.stat-sub { margin-top: 5px; color: var(--text-dim); font-size: 13px; }

.stat.level-ok   .stat-value { color: var(--ok); }
.stat.level-warn .stat-value { color: var(--warn); }
.stat.level-bad  .stat-value { color: var(--bad); }

/* Süre çubuğu */

.lifespan { margin-bottom: 18px; }

.lifespan-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 13.5px;
  color: var(--text-dim);
}

.lifespan-head b { color: var(--text); }

.bar {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: var(--surface-2);
  overflow: hidden;
}

.bar-fill {
  position: relative;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width .8s cubic-bezier(.4, 0, .2, 1);
}

.bar-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .35), transparent);
  background-size: 60% 100%;
  background-repeat: no-repeat;
  animation: sheen 2.6s ease-in-out infinite;
}

@keyframes sheen {
  0%   { background-position: -70% 0; }
  60%  { background-position: 170% 0; }
  100% { background-position: 170% 0; }
}

.bar-fill.warn { background: linear-gradient(90deg, #F59E0B, var(--warn)); }
.bar-fill.bad  { background: linear-gradient(90deg, #E11D48, var(--bad)); }

.bar-legend {
  display: flex;
  justify-content: space-between;
  margin-top: 9px;
  color: var(--text-faint);
  font-size: 12.5px;
  font-family: var(--mono);
}

/* İçerik ızgarası */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 18px;
  margin-bottom: 18px;
  align-items: start;
}

.panel h3 {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 16px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -.01em;
}

.panel h3 svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: var(--accent-2);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Anahtar/değer listesi */

.kv { display: grid; gap: 1px; background: var(--border-soft); border-radius: var(--radius-sm); overflow: hidden; }

.kv-row {
  display: grid;
  grid-template-columns: minmax(104px, 34%) 1fr;
  gap: 14px;
  padding: 11px 14px;
  background: var(--surface);
  font-size: 14px;
  transition: background-color .15s;
}

.kv-row:hover { background: var(--bg-soft); }

.kv-key { color: var(--text-faint); }
.kv-val { color: var(--text); word-break: break-word; font-weight: 500; }
.kv-val a { color: var(--accent); text-decoration: none; }
.kv-val a:hover { text-decoration: underline; }
.kv-val.mono { font-family: var(--mono); font-size: 13px; }
.kv-val.empty { color: var(--text-faint); font-weight: 400; font-style: italic; }

/* Liste kutuları */

.list { display: flex; flex-direction: column; gap: 8px; }

.list-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 13px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  font-family: var(--mono);
  font-size: 13px;
  word-break: break-all;
  transition: border-color .15s;
}

.list-item:hover { border-color: var(--border); }

.list-item .idx {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: rgba(var(--accent-rgb), .13);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
}

.empty-note {
  padding: 14px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-faint);
  font-size: 13.5px;
  text-align: center;
}

/* Durum kodları */

.status-list { display: flex; flex-direction: column; gap: 10px; }

.status-item {
  display: flex;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border-soft);
  border-left-width: 3px;
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
}

.status-item.ok      { border-left-color: var(--ok); }
.status-item.warn    { border-left-color: var(--warn); }
.status-item.bad     { border-left-color: var(--bad); }
.status-item.neutral { border-left-color: var(--neutral); }

.status-body { min-width: 0; }
.status-title { font-weight: 600; font-size: 14px; }
.status-desc { margin-top: 3px; color: var(--text-dim); font-size: 13px; }
.status-code { margin-top: 5px; color: var(--text-faint); font-family: var(--mono); font-size: 11.5px; word-break: break-all; }

/* DNS blokları */

.dns-group + .dns-group { margin-top: 15px; }

.dns-title {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 500;
}

/* Ham çıktı */

.raw-panel summary {
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  list-style: none;
  user-select: none;
}

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

.raw-panel summary::before {
  content: '▸';
  color: var(--accent-2);
  transition: transform .2s;
}

.raw-panel[open] summary::before { transform: rotate(90deg); }

.raw-panel summary .hint { margin-left: auto; color: var(--text-faint); font-size: 12.5px; font-weight: 400; }

.raw-pre {
  max-height: 460px;
  margin: 16px 0 0;
  padding: 16px;
  overflow: auto;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  background: var(--code-bg);
  color: var(--code-text);
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
}

.raw-pre::-webkit-scrollbar { width: 9px; height: 9px; }
.raw-pre::-webkit-scrollbar-track { background: transparent; }
.raw-pre::-webkit-scrollbar-thumb { background: rgba(148, 163, 184, .4); border-radius: 9px; }

.copy-btn {
  padding: 6px 13px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface-2);
  color: var(--text-dim);
  font-family: var(--font);
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  transition: color .15s, border-color .15s;
}

.copy-btn:hover { color: var(--accent); border-color: var(--accent); }

/* Kaynak bilgisi */

.sources {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 16px;
  color: var(--text-faint);
  font-size: 12.5px;
}

.sources code {
  padding: 2px 7px;
  border-radius: 5px;
  background: var(--surface-2);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 11.5px;
}

/* ---------- İçerik bölümleri (makale + S.S.S.) ---------- */

.info-sections {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-top: 56px;
  scroll-margin-top: 20px;
}

.content-section { padding: 26px 28px; scroll-margin-top: 20px; }

.content-head { margin-bottom: 20px; }

.content-kicker {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 11px;
  border-radius: 999px;
  background: rgba(var(--accent-rgb), .1);
  color: var(--accent);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.content-head h2 {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  letter-spacing: -.025em;
  line-height: 1.25;
}

.content-lead { margin: 0; color: var(--text-dim); font-size: 15px; max-width: 78ch; }

/* İçindekiler + kaydırmalı gövde */

/* minmax(0,...) şart: içerideki yatay kayan şerit aksi halde kolonu şişirir. */
.article-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.article-toc {
  min-width: 0;
  position: sticky;
  top: 20px;
  padding: 16px 14px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
}

.toc-title {
  margin-bottom: 10px;
  padding-left: 10px;
  color: var(--text-faint);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.toc-links {
  display: flex;
  flex-direction: column;
  gap: 1px;
  max-height: 520px;
  overflow-y: auto;
  padding-right: 4px;
}

.toc-links a {
  padding: 6px 10px;
  border-left: 2px solid transparent;
  border-radius: 0 6px 6px 0;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: color .15s, background-color .15s, border-color .15s;
}

.toc-links a:hover { color: var(--text); background: var(--surface-2); }

.toc-links a.active {
  border-left-color: var(--accent);
  background: rgba(var(--accent-rgb), .09);
  color: var(--accent);
  font-weight: 600;
}

/* Kaydırılabilir içerik alanı */

.scroll-area {
  position: relative;
  max-height: 620px;
  overflow-y: auto;
  padding-right: 16px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
}

.scroll-area:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.scroll-inner { padding: 20px 6px 26px 22px; }

.scroll-area::-webkit-scrollbar { width: 10px; }
.scroll-area::-webkit-scrollbar-track { background: transparent; }
.scroll-area::-webkit-scrollbar-thumb {
  background: var(--border);
  border: 3px solid var(--bg-soft);
  border-radius: 10px;
}
.scroll-area::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }

.toc-links::-webkit-scrollbar { width: 6px; height: 6px; }
.toc-links::-webkit-scrollbar-track { background: transparent; }
.toc-links::-webkit-scrollbar-thumb { background: var(--border); border-radius: 6px; }

/* Kaydırma alanının altındaki devam ipucu */
.scroll-wrap { position: relative; min-width: 0; }

.scroll-wrap::after {
  content: '';
  position: absolute;
  left: 1px;
  right: 11px;
  bottom: 1px;
  height: 48px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  background: linear-gradient(to top, var(--bg-soft), transparent);
  pointer-events: none;
  opacity: 1;
  transition: opacity .25s;
}

.scroll-wrap.at-end::after { opacity: 0; }

/* Makale tipografisi */

.scroll-inner h3 {
  margin: 30px 0 10px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.3;
  scroll-margin-top: 12px;
}

.scroll-inner h3:first-child { margin-top: 0; }

.scroll-inner h4 {
  margin: 20px 0 6px;
  color: var(--accent);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: -.01em;
}

.scroll-inner p {
  margin: 0 0 12px;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.7;
  max-width: 78ch;
}

.scroll-inner b { color: var(--text); font-weight: 600; }

.scroll-inner code {
  padding: 2px 7px;
  border: 1px solid var(--border-soft);
  border-radius: 5px;
  background: var(--surface);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12.5px;
  word-break: break-all;
}

.scroll-inner ul, .scroll-inner ol { margin: 0 0 14px; padding: 0; }

.tick-list { list-style: none; }

.tick-list li {
  position: relative;
  padding: 4px 0 4px 26px;
  color: var(--text-dim);
  font-size: 14.5px;
}

.tick-list li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 12px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.step-list { list-style: none; counter-reset: adim; }

.step-list li {
  position: relative;
  padding: 5px 0 5px 34px;
  color: var(--text-dim);
  font-size: 14.5px;
  counter-increment: adim;
}

.step-list li::before {
  content: counter(adim);
  position: absolute;
  left: 0;
  top: 6px;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 7px;
  background: rgba(var(--accent-rgb), .13);
  color: var(--accent);
  font-size: 11.5px;
  font-weight: 700;
}

.code-list { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.code-list li { display: inline-flex; }

.field-list {
  display: grid;
  grid-template-columns: minmax(130px, auto) 1fr;
  gap: 1px;
  margin: 0 0 14px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--border-soft);
}

.field-list dt {
  padding: 9px 13px;
  background: var(--surface);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 500;
}

.field-list dd {
  margin: 0;
  padding: 9px 13px;
  background: var(--surface);
  color: var(--text-dim);
  font-size: 13.5px;
}

.callout {
  padding: 12px 16px;
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(var(--accent-rgb), .07);
  color: var(--text) !important;
  font-weight: 600;
}

.compare { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; margin-bottom: 14px; }

.compare-item {
  padding: 12px 14px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.compare-item.good { border-left: 3px solid var(--ok); }
.compare-item.bad  { border-left: 3px solid var(--bad); }

.compare-tag {
  display: block;
  margin-bottom: 6px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .03em;
}

.compare-item.good .compare-tag { color: var(--ok); }
.compare-item.bad  .compare-tag { color: var(--bad); }

/* S.S.S. akordeonu */

.faq-scroll { max-height: 560px; }

.faq-item {
  border-bottom: 1px solid var(--border-soft);
  padding: 4px 0;
}

.faq-item:last-child { border-bottom: 0; }

.faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 4px;
  cursor: pointer;
  font-size: 14.5px;
  font-weight: 600;
  list-style: none;
  transition: color .15s;
}

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

.faq-item summary::before {
  content: '+';
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  margin-top: 1px;
  border-radius: 6px;
  background: rgba(var(--accent-rgb), .12);
  color: var(--accent);
  font-weight: 700;
  line-height: 1;
  transition: background-color .15s;
}

.faq-item[open] summary::before { content: '–'; background: var(--accent); color: var(--on-accent); }
.faq-item summary:hover { color: var(--accent); }

.faq-item p {
  margin: 0 0 12px;
  padding-left: 30px;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.7;
  max-width: 78ch;
}

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

.site-footer {
  padding: 34px 22px 44px;
  border-top: 1px solid var(--border-soft);
  text-align: center;
  color: var(--text-dim);
  font-size: 13.5px;
}

.site-footer p { margin: 0 0 5px; }
.site-footer b { color: var(--text); font-weight: 600; }
.site-footer .muted { color: var(--text-faint); font-size: 12.5px; }

/* ---------- Yükleniyor iskeleti ---------- */

.skeleton {
  border-radius: var(--radius);
  border: 1px solid var(--border-soft);
  background: linear-gradient(100deg, var(--surface) 30%, var(--surface-2) 50%, var(--surface) 70%);
  background-size: 220% 100%;
  animation: shimmer 1.3s infinite linear;
}

@keyframes shimmer { to { background-position: -220% 0; } }

.skeleton-summary { height: 116px; margin-bottom: 18px; }
.skeleton-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.skeleton-stat { height: 118px; }

/* ---------- Duyarlı ---------- */

@media (max-width: 900px) {
  .article-layout { grid-template-columns: minmax(0, 1fr); }

  /* Dar ekranda içindekiler yatay kayan bir şeride dönüşür. */
  .article-toc { position: static; padding: 12px; }
  .toc-links {
    flex-direction: row;
    gap: 6px;
    max-height: none;
    overflow-x: auto;
    padding-bottom: 4px;
  }
  .toc-links a {
    flex-shrink: 0;
    border-left: 0;
    border-bottom: 2px solid transparent;
    border-radius: 6px;
    background: var(--surface);
    white-space: nowrap;
  }
  .toc-links a.active { border-left: 0; border-bottom-color: var(--accent); }
}

@media (max-width: 640px) {
  .header-nav { display: none; }
  .hero { padding: 40px 0 30px; }

  .content-section { padding: 20px 16px; }
  .scroll-inner { padding: 16px 4px 22px 14px; }
  .scroll-area { max-height: 500px; padding-right: 10px; }
  .field-list { grid-template-columns: 1fr; }
  .field-list dt { padding-bottom: 2px; }

  .search-box { flex-wrap: wrap; border-radius: var(--radius); padding: 12px; }
  .search-icon { display: none; }
  #domain-input { flex: 1 1 100%; padding: 8px 6px; }
  #search-button { flex: 1 1 100%; }

  .summary { padding: 20px; }
  .panel { padding: 18px; }
  .kv-row { grid-template-columns: 1fr; gap: 3px; }
  .kv-key { font-size: 12.5px; }
}

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