/* ==========================================================================
   Altur Software — teknik editoryal
   Koyu grafit zemin · sıcak kağıt beyazı · tek kehribar vurgu
   ========================================================================== */

/* --- 1. Token'lar ------------------------------------------------------- */

:root {
  /* Zemin */
  --ink:          #0a0b0d;
  --ink-2:        #101216;
  --ink-3:        #16191f;
  --ink-4:        #1c2027;

  /* Çizgiler */
  --rule:         #262a32;
  --rule-soft:    #191c22;

  /* Metin */
  --paper:        #ece8e0;
  --paper-dim:    #9a9ea6;
  --paper-faint:  #7c808a;   /* WCAG AA: koyu zemine karşı 4,98:1 (eski #63666e 3,47:1 ile kalıyordu) */

  /* Vurgu */
  --signal:       #e0a63e;
  --signal-lo:    #8a6318;
  --signal-glow:  rgba(224, 166, 62, 0.14);

  /* Tipografi */
  --display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --body:    "Archivo", ui-sans-serif, system-ui, "Segoe UI", sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Ölçü */
  --shell:   1240px;
  --gutter:  clamp(1.25rem, 4vw, 3.5rem);
  --bay:     clamp(4.5rem, 11vh, 8.5rem);

  /* Hareket */
  --ease:    cubic-bezier(0.16, 1, 0.3, 1);
  --swift:   180ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- 2. Sıfırlama ------------------------------------------------------- */

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

* { margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--body);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  font-weight: 400;
  line-height: 1.65;
  letter-spacing: 0.005em;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }

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

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

/* --- 3. Atmosfer: grain + dikey ızgara ---------------------------------- */

/* İnce film greni — düz zemini kırar, derinlik verir */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Sayfa boyunca uzanan dikey kılcal ızgara — mühendislik çizimi hissi */
.grid-rules {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.grid-rules span {
  border-right: 1px solid var(--rule-soft);
}

.grid-rules span:first-child { border-left: 1px solid var(--rule-soft); }

@media (max-width: 900px) {
  .grid-rules { grid-template-columns: repeat(2, 1fr); }
}

/* --- 4. İskelet --------------------------------------------------------- */

.shell {
  position: relative;
  z-index: 1;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.bay {
  padding-block: var(--bay);
  border-top: 1px solid var(--rule);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10000;
  background: var(--signal);
  color: var(--ink);
  padding: 0.75rem 1.25rem;
  font-family: var(--mono);
  font-size: 0.8125rem;
}

.skip-link:focus { left: 0; }

/* --- 5. Tipografi ------------------------------------------------------- */

.display {
  font-family: var(--display);
  font-weight: 400;
  font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 0;
  line-height: 0.98;
  letter-spacing: -0.022em;
  text-wrap: balance;
}

.display em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 1;
  color: var(--signal);
}

h1.display  { font-size: clamp(2.85rem, 7.2vw, 6rem); }
h2.display  { font-size: clamp(2.1rem, 4.6vw, 3.6rem); }
h3.display  { font-size: clamp(1.35rem, 2vw, 1.7rem); line-height: 1.15; }

/* Bölüm etiketi: 01 — HİZMETLER */
.tag {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 2.25rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-faint);
}

.tag b {
  font-weight: 500;
  color: var(--signal);
}

.tag::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.lede {
  max-width: 46ch;
  font-size: clamp(1.0625rem, 1rem + 0.35vw, 1.25rem);
  line-height: 1.6;
  color: var(--paper-dim);
}

.meta {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-faint);
}

/* --- 6. Navigasyon ------------------------------------------------------ */

.nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(10, 11, 13, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--swift), background var(--swift);
}

.nav[data-scrolled="true"] {
  background: rgba(10, 11, 13, 0.94);
  border-bottom-color: var(--rule);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 4.75rem;
}

/* Marka + kelime = yatay kilit. Marka SVG olarak gömülü, kelime gerçek metin —
   böylece seçilebilir, aranabilir ve ekran okuyucuya doğru geçer. */
.wordmark-mark {
  width: 1.85em;
  height: 1.85em;
  flex: none;
  align-self: center;
  margin-right: 0.15em;
}

.wordmark {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  font-family: var(--display);
  font-variation-settings: "opsz" 40, "SOFT" 0, "WONK" 0;
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.wordmark span {
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--signal);
  transform: translateY(-0.45em);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.4vw, 2.25rem);
}

.nav-links a {
  position: relative;
  font-size: 0.9rem;
  color: var(--paper-dim);
  transition: color var(--swift);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.4rem;
  width: 100%;
  height: 1px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 320ms var(--ease);
}

.nav-links a:hover { color: var(--paper); }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }

.lang {
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.7rem !important;
  letter-spacing: 0.12em;
  color: var(--paper) !important;
  transition: border-color var(--swift), background var(--swift);
}

.lang::after { display: none; }
.lang:hover { border-color: var(--signal); background: var(--signal-glow); }

/* Hamburger — eski sitede hiç yoktu, mobilde menü tamamen kayıptı */
.burger {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  background: none;
  border: 1px solid var(--rule);
  cursor: pointer;
  position: relative;
}

.burger i {
  position: absolute;
  left: 50%;
  width: 1.05rem;
  height: 1px;
  background: var(--paper);
  transform: translateX(-50%);
  transition: transform 280ms var(--ease), opacity 160ms linear;
}

.burger i:nth-child(1) { top: 1rem; }
.burger i:nth-child(2) { top: 1.375rem; }
.burger i:nth-child(3) { top: 1.75rem; }

.burger[aria-expanded="true"] i:nth-child(1) { transform: translate(-50%, 0.375rem) rotate(45deg); }
.burger[aria-expanded="true"] i:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] i:nth-child(3) { transform: translate(-50%, -0.375rem) rotate(-45deg); }

@media (max-width: 860px) {
  .burger { display: block; }

  .nav-links {
    position: fixed;
    inset: 4.75rem 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--gutter);
    background: var(--ink-2);
    border-bottom: 1px solid var(--rule);
    transform: translateY(-101%);
    visibility: hidden;
    transition: transform 420ms var(--ease), visibility 420ms;
  }

  .nav-links[data-open="true"] { transform: translateY(0); visibility: visible; }

  .nav-links li { border-bottom: 1px solid var(--rule-soft); }
  .nav-links li:last-child { border-bottom: none; padding-top: 1.25rem; }

  .nav-links a {
    display: block;
    padding: 1.05rem 0;
    font-size: 1.05rem;
    color: var(--paper);
  }

  /* Dil düğmesi tam genişliğe yayılmasın — .nav-links a display:block'unu geçer */
  .nav-links .lang {
    display: inline-block;
    padding: 0.55rem 1rem;
    font-size: 0.75rem !important;
  }
}

/* --- 7. Masthead -------------------------------------------------------- */

.masthead {
  padding-block: clamp(3.5rem, 9vh, 7rem) clamp(3rem, 7vh, 5.5rem);
}

.masthead-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: end;
}

.masthead h1 { margin-bottom: 1.75rem; }

.masthead .lede { margin-bottom: 2.5rem; }

/* Künye şeridi — kurumun kimliği ilk ekranda, iddiasız ve doğrulanabilir */
.dossier {
  display: flex;
  flex-wrap: wrap;
  gap: 0 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

.dossier div {
  padding-block: 0.85rem;
  min-width: 8.5rem;
}

.dossier dt {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-faint);
  margin-bottom: 0.35rem;
}

.dossier dd {
  font-size: 0.95rem;
  color: var(--paper);
}

/* Soyut kafes görseli — sahte ürün ekran görüntüsü yerine dürüst bir motif */
.lattice {
  position: relative;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--rule);
  background:
    radial-gradient(120% 90% at 70% 20%, rgba(224, 166, 62, 0.09), transparent 62%),
    var(--ink-2);
  overflow: hidden;
}

.lattice svg { width: 100%; height: 100%; }

.lattice figcaption {
  position: absolute;
  left: 1rem;
  bottom: 0.9rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-faint);
}

.lattice-node { animation: pulse 3.6s var(--ease) infinite; }
.lattice-node:nth-of-type(2n) { animation-delay: 0.7s; }
.lattice-node:nth-of-type(3n) { animation-delay: 1.5s; }

@keyframes pulse {
  0%, 100% { opacity: 0.35; r: 2.5; }
  50%      { opacity: 1;    r: 4; }
}

@media (max-width: 900px) {
  .masthead-grid { grid-template-columns: 1fr; align-items: start; }
  .lattice { max-width: 24rem; }
}

/* --- 8. Ana eylem butonları --------------------------------------------- */

.actions { display: flex; flex-wrap: wrap; gap: 0.85rem; }

.btn {
  --btn-bg: var(--signal);
  --btn-fg: var(--ink);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.95rem 1.6rem;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-bg);
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  overflow: hidden;
  transition: background var(--swift), color var(--swift), border-color var(--swift);
}

.btn svg { transition: transform 320ms var(--ease); }
.btn:hover svg { transform: translateX(0.28rem); }

.btn:hover { background: var(--paper); border-color: var(--paper); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--paper);
  border-color: var(--rule);
}

.btn--ghost:hover {
  background: var(--signal-glow);
  border-color: var(--signal);
  color: var(--paper);
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn:disabled:hover { background: var(--btn-bg); border-color: var(--btn-bg); }

/* --- 9. Yetkinlikler ---------------------------------------------------- */

.capability-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: end;
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}

.capabilities {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.capability {
  position: relative;
  padding: clamp(1.75rem, 3vw, 2.5rem);
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  transition: background 380ms var(--ease);
}

.capability::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: var(--signal);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 420ms var(--ease);
}

.capability:hover { background: var(--ink-2); }
.capability:hover::before { transform: scaleY(1); transform-origin: top; }

.capability-no {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--signal);
  margin-bottom: 1.75rem;
  display: block;
}

.capability h3 { margin-bottom: 0.9rem; }

.capability p {
  font-size: 0.945rem;
  color: var(--paper-dim);
  margin-bottom: 1.4rem;
}

.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.chips li {
  padding: 0.24rem 0.6rem;
  border: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.07em;
  color: var(--paper-faint);
}

@media (max-width: 760px) {
  .capability-head { grid-template-columns: 1fr; }
}

/* --- 10. Referans projesi ----------------------------------------------- */

.dossier-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  border: 1px solid var(--rule);
  background: var(--ink-2);
}

.dossier-card > div { padding: clamp(1.75rem, 3.4vw, 3rem); }

.dossier-card-lead {
  border-right: 1px solid var(--rule);
  background:
    radial-gradient(100% 80% at 0% 0%, rgba(224, 166, 62, 0.08), transparent 60%),
    transparent;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  margin-bottom: 1.75rem;
  border: 1px solid var(--signal-lo);
  background: var(--signal-glow);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
}

.badge::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--signal);
}

.dossier-card h3 { margin-bottom: 1rem; }

.dossier-card p {
  color: var(--paper-dim);
  font-size: 0.96rem;
}

/* Ortak ülke şeridi — kartın sol sütunundaki boşluğu gerçek veriyle doldurur */
.countries {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 2.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--rule-soft);
}

.countries li {
  display: grid;
  place-items: center;
  width: 2.9rem;
  height: 2.9rem;
  border: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--paper-dim);
}

.countries li[data-role="self"] {
  border-color: var(--signal);
  background: var(--signal-glow);
  color: var(--signal);
}

.countries li[data-role="lead"] {
  border-color: var(--paper-faint);
  color: var(--paper);
}

.countries-key {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.25rem;
  margin-top: 0.9rem;
}

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

.spec div {
  display: grid;
  grid-template-columns: 9.5rem minmax(0, 1fr);
  gap: 1rem;
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--rule-soft);
  align-items: baseline;
}

.spec dt {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--paper-faint);
}

.spec dd { font-size: 0.93rem; }
.spec dd b { font-weight: 500; color: var(--signal); }

@media (max-width: 860px) {
  .dossier-card { grid-template-columns: 1fr; }
  .dossier-card-lead { border-right: none; border-bottom: 1px solid var(--rule); }
  .spec div { grid-template-columns: 1fr; gap: 0.2rem; }
}

/* --- 11. Kurum ---------------------------------------------------------- */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 5rem);
}

.prose p + p { margin-top: 1.15rem; }
.prose p { color: var(--paper-dim); }
.prose strong { color: var(--paper); font-weight: 500; }

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

.ledger div {
  display: grid;
  grid-template-columns: minmax(7rem, 11rem) minmax(0, 1fr);
  gap: 1.25rem;
  padding-block: 1.05rem;
  border-bottom: 1px solid var(--rule-soft);
  align-items: baseline;
}

.ledger dt {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-faint);
}

.ledger dd { font-size: 0.95rem; }

.role-note {
  margin-top: 2.5rem;
  padding: 1.5rem 1.75rem;
  border-left: 2px solid var(--signal);
  background: var(--ink-2);
  font-size: 0.945rem;
  color: var(--paper-dim);
}

@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; }
  .ledger div { grid-template-columns: 1fr; gap: 0.2rem; }
}

/* --- 12. Ekip ----------------------------------------------------------- */

/* Ekip, iki sütunlu kurum ızgarasının altında tam genişlikte durur —
   kart sayısı arttıkça dar sütunda üst üste yığılmasın. */
.team { margin-top: clamp(3rem, 6vw, 4.75rem); }
.team > h3 { margin-bottom: 1.75rem; }

/* Sütun sayısı sabit kademeli: auto-fit 4 kartı 3+1 gibi tek başına
   kalan bir satırla kırıyordu. 4 / 2 / 1 her zaman dengeli durur. */
.people {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

@media (max-width: 1080px) { .people { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px)  { .people { grid-template-columns: minmax(0, 1fr); } }

.person { padding: clamp(1.75rem, 3vw, 2.25rem); background: var(--ink); }

.person-initials {
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--signal-lo);
  font-family: var(--display);
  font-variation-settings: "opsz" 40;
  font-size: 1.1rem;
  color: var(--signal);
}

.person h3 { font-family: var(--body); font-size: 1.075rem; font-weight: 500; margin-bottom: 0.3rem; }
.person .meta { display: block; margin-bottom: 1rem; }
.person p { font-size: 0.92rem; color: var(--paper-dim); }

/* --- 13. İletişim ------------------------------------------------------- */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2.5rem, 5vw, 4.5rem);
}

.contact-block + .contact-block { margin-top: 2.25rem; padding-top: 2.25rem; border-top: 1px solid var(--rule-soft); }
.contact-block h3 { font-family: var(--body); font-size: 0.7rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--paper-faint); font-family: var(--mono); margin-bottom: 0.75rem; }
.contact-block p { font-size: 0.98rem; }
.contact-block a { border-bottom: 1px solid var(--rule); transition: border-color var(--swift), color var(--swift); }
.contact-block a:hover { color: var(--signal); border-color: var(--signal); }

/* Form */
.form-panel { border: 1px solid var(--rule); background: var(--ink-2); }

.tabs { display: flex; border-bottom: 1px solid var(--rule); }

.tab {
  flex: 1;
  padding: 1.05rem 0.75rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  font-family: var(--mono);
  font-size: 0.73rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--paper-faint);
  cursor: pointer;
  transition: color var(--swift), border-color var(--swift), background var(--swift);
}

.tab:hover { color: var(--paper); background: var(--ink-3); }
.tab[aria-selected="true"] { color: var(--signal); border-bottom-color: var(--signal); }

.panel { padding: clamp(1.5rem, 3vw, 2.25rem); }
.panel[hidden] { display: none; }

.field-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: 1.1rem;
  margin-bottom: 1.1rem;
}

.field { display: flex; flex-direction: column; gap: 0.45rem; }

.field label {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-faint);
}

.field label span { color: var(--signal); }

.field input,
.field select,
.field textarea {
  padding: 0.8rem 0.9rem;
  background: var(--ink);
  border: 1px solid var(--rule);
  color: var(--paper);
  font-size: 0.94rem;
  transition: border-color var(--swift), background var(--swift);
}

.field textarea { resize: vertical; min-height: 7rem; }

.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2363666e' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.4rem;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--signal);
  background: var(--ink-3);
}

.field input::placeholder,
.field textarea::placeholder { color: var(--paper-faint); }

/* KVKK onayı — eski formda hiç yoktu */
.consent {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-block: 1.5rem;
  padding-top: 1.35rem;
  border-top: 1px solid var(--rule-soft);
}

.consent input {
  flex-shrink: 0;
  width: 1.05rem;
  height: 1.05rem;
  margin-top: 0.2rem;
  accent-color: var(--signal);
}

.consent label { font-size: 0.83rem; line-height: 1.55; color: var(--paper-dim); }
.consent a { color: var(--paper); border-bottom: 1px solid var(--rule); }
.consent a:hover { color: var(--signal); border-color: var(--signal); }

/* Bal küpü — bot filtresi, ekranda ve ekran okuyucuda görünmez */
.trap {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.form-status {
  margin-top: 1.1rem;
  padding: 0.85rem 1rem;
  border-left: 2px solid var(--rule);
  font-size: 0.88rem;
  color: var(--paper-dim);
}

.form-status[data-state="ok"]   { border-color: var(--signal); color: var(--paper); background: var(--signal-glow); }
.form-status[data-state="fail"] { border-color: #b4453a; color: #e8b3ac; background: rgba(180, 69, 58, 0.1); }
.form-status:empty { display: none; }

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
  .tabs { flex-direction: column; }
  .tab { border-bottom: 1px solid var(--rule); border-left: 2px solid transparent; text-align: left; }
  .tab[aria-selected="true"] { border-bottom-color: var(--rule); border-left-color: var(--signal); }
}

/* --- 14. Altbilgi ------------------------------------------------------- */

.footer {
  border-top: 1px solid var(--rule);
  background: var(--ink-2);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(auto-fit, minmax(min(100%, 10rem), 1fr));
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: 3rem;
}

.footer h4 {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-faint);
  margin-bottom: 1.1rem;
}

.footer li { font-size: 0.9rem; color: var(--paper-dim); }
.footer li + li { margin-top: 0.6rem; }
.footer li a, .footer p a { font-size: 0.9rem; color: var(--paper-dim); transition: color var(--swift); }
.footer li a:hover, .footer p a:hover { color: var(--signal); }
.footer .wordmark { margin-bottom: 1rem; }
.footer-blurb { font-size: 0.9rem; color: var(--paper-dim); max-width: 34ch; }

/* Ticari künye — TTK md. 1524 gereği */
.imprint {
  padding-block: 1.75rem;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.7rem;
  line-height: 1.9;
  letter-spacing: 0.03em;
  color: var(--paper-faint);
}

.imprint b { font-weight: 500; color: var(--paper-dim); }

/* Telif ve yasal bağlantılar. Dört bağlantı tek satıra sığmadığı için
   iki yana yaymak yerine üst üste iki satır: her genişlikte düzgün durur. */
.colophon {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--paper-faint);
}

.colophon ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.5rem;
}

.colophon a { border-bottom: 1px solid transparent; transition: color var(--swift), border-color var(--swift); }
.colophon a:hover { color: var(--signal); border-bottom-color: var(--signal); }

/* --- 15. İç sayfalar (yasal metinler, 404) ------------------------------ */

/* Okuma genişliği içerikte sınırlanır, kabuğun kendisinde değil —
   böylece metin sütunu üstteki logo ve navigasyonla aynı hizada başlar. */
.doc { padding-block: clamp(3rem, 8vh, 5.5rem) var(--bay); }
.doc > *:not(.table-scroll) { max-width: 70ch; }
.doc > .table-scroll { max-width: 88ch; }
.doc h1 { margin-bottom: 1rem; }
.doc > .meta { display: block; margin-bottom: 3rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--rule); }
.doc h2 {
  font-family: var(--body);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin-top: 2.75rem;
  margin-bottom: 0.9rem;
}
.doc h3 { font-family: var(--body); font-size: 1rem; font-weight: 600; margin-top: 1.75rem; margin-bottom: 0.6rem; }
.doc p, .doc li { color: var(--paper-dim); font-size: 0.97rem; }
.doc p + p { margin-top: 1rem; }
.doc ul { margin-top: 0.9rem; }
.doc ul li { position: relative; padding-left: 1.35rem; margin-bottom: 0.55rem; }
.doc ul li::before { content: "—"; position: absolute; left: 0; color: var(--signal); }
.doc a { color: var(--paper); border-bottom: 1px solid var(--rule); }
.doc a:hover { color: var(--signal); border-color: var(--signal); }
.doc table { width: 100%; border-collapse: collapse; margin-top: 1.25rem; font-size: 0.9rem; }
.doc th, .doc td { padding: 0.75rem 0.85rem; border: 1px solid var(--rule); text-align: left; vertical-align: top; }
.doc th { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--paper-faint); font-weight: 500; }
.doc td { color: var(--paper-dim); }
.doc .table-scroll { overflow-x: auto; }

.notice {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  border-left: 2px solid var(--signal);
  background: var(--ink-2);
  font-size: 0.9rem;
  color: var(--paper-dim);
}

/* 404 */
.oops { min-height: 62vh; display: grid; align-content: center; padding-block: var(--bay); }
.oops .code { font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.2em; color: var(--signal); margin-bottom: 1.5rem; }
.oops h1 { margin-bottom: 1.25rem; }
.oops .lede { margin-bottom: 2.5rem; }

/* --- 16. Giriş animasyonu ----------------------------------------------- */

/* Kaydırınca açılan bölümler.
   Güvenlik ağı: içerik yalnızca JavaScript'e bağlı kalmaz. JS kapalıysa
   (scripting: none) baştan görünür; JS açık ama bir hata yüzünden
   IntersectionObserver çalışmazsa 3 saniye sonra yine de açılır.
   .is-in geldiğinde bekleyen animasyon iptal edilir, geçiş devralır. */
[data-reveal] {
  opacity: 0;
  transform: translateY(1.35rem);
  animation: reveal-fallback 1ms linear 3s forwards;
  transition: opacity 780ms var(--ease), transform 780ms var(--ease);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
  animation: none;
}

@keyframes reveal-fallback { to { opacity: 1; transform: none; } }

@media (scripting: none) {
  [data-reveal] { opacity: 1; transform: none; animation: none; }
}

/* Sayfa yüklenirken kademeli açılış */
.masthead [data-stagger] {
  opacity: 0;
  transform: translateY(1.1rem);
  animation: rise 900ms var(--ease) forwards;
}

.masthead [data-stagger="1"] { animation-delay: 80ms; }
.masthead [data-stagger="2"] { animation-delay: 200ms; }
.masthead [data-stagger="3"] { animation-delay: 320ms; }
.masthead [data-stagger="4"] { animation-delay: 440ms; }
.masthead [data-stagger="5"] { animation-delay: 560ms; }

@keyframes rise { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .masthead [data-stagger] { opacity: 1; transform: none; }
}

/* --- 17. Baskı ---------------------------------------------------------- */

@media print {
  body { background: #fff; color: #000; }
  .nav, .grid-rules, .form-panel, .burger, body::after { display: none !important; }
  .bay { border-color: #ccc; page-break-inside: avoid; }
  a { color: #000; }
}