/* ---------- Buton ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  transition: background-color .15s, border-color .15s, transform .15s;
}
.btn--primary { background: var(--accent); color: var(--accent-ink); }
.btn--primary:hover { background: #5fe3d3; }
.btn--secondary { background: var(--surface); color: var(--text); border-color: var(--border-3); }
.btn--secondary:hover { background: var(--surface-2); }
.btn__icon { flex: none; transition: transform .15s; }
.btn:hover .btn__icon { transform: translateX(3px); }

/* ---------- Etiket ---------- */
.tag {
  display: inline-block;
  padding: 5px 10px;
  border: 1px solid var(--border-3);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.2;
}
.tag--warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, var(--border-3)); }
.tag--accent { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, var(--border-3)); }

/* ---------- Bölüm başlığı ---------- */
.section-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px 40px;
  margin-bottom: 56px;
}
.section-heading__label {
  display: block;
  margin-bottom: 16px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
}
.section-heading__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-2);
  font-weight: 500;
}
.section-heading__link:hover { color: var(--accent); }

/* ---------- Kart ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-card);
  padding: 32px;
}
.card__code {
  display: block;
  margin-bottom: 20px;
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 13px;
}
.card__title { margin-bottom: 10px; }
.card--feature { padding: 40px; }

/* ---------- Hücre ızgarası ---------- */
.cell-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
}
.cell-grid__cell { background: var(--surface); padding: 28px; }
.cell-grid__code { display: block; margin-bottom: 14px; color: var(--faint); font-family: var(--font-mono); font-size: 12px; }
.cell-grid__title { color: var(--text); font-size: 17px; font-weight: 600; line-height: 1.3; }
.cell-grid__body { margin-top: 8px; font-size: 15px; }

/* ---------- Pencere çerçeveli mockup ---------- */
.app-window {
  background: var(--surface);
  border: 1px solid var(--border-3);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 30px 80px -30px rgb(0 0 0 / .7);
}
.app-window__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border-2);
}
.app-window__dots { display: flex; gap: 6px; }
.app-window__dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--border-3); }
.app-window__title { flex: 1; color: var(--faint); font-family: var(--font-mono); font-size: 12px; }
.app-window__body { padding: 20px; }

/* ---------- CTA bandı ---------- */
.cta-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 32px 48px;
  padding: 56px;
  background: var(--surface);
  border: 1px solid var(--border-3);
  border-radius: 24px;
}
.cta-band__text { max-width: 640px; }
.cta-band__text p { margin-top: 14px; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: 12px; }

@media (max-width: 720px) {
  .card, .card--feature { padding: 24px; }
  .cta-band { padding: 32px 24px; }
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  min-height: 68px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 18px; letter-spacing: -0.02em; }
.brand__logo { display: block; width: auto; height: 28px; }
.site-footer .brand__logo { height: 24px; }

.nav__links { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 28px; }
.nav__link { color: var(--muted); font-size: 15px; font-weight: 500; padding-block: 6px; }
.nav__link:hover { color: var(--text); }
.nav__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  background: var(--surface);
  border: 1px solid var(--border-3);
  border-radius: var(--radius-btn);
  cursor: pointer;
}
.nav__toggle .icon-close { display: none; }
.nav__toggle[aria-expanded="true"] .icon-open { display: none; }
.nav__toggle[aria-expanded="true"] .icon-close { display: block; }

/* Mobil: menü varsayılan olarak kapalıdır, düzen JS'e bağlı değildir (CLS yok).
   JS kapalıysa nojs.css (noscript) bağlantıları açık gösterir. */
@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav[data-open] .nav__links {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    left: 0; right: 0; top: 100%;
    gap: 0;
    padding: 8px var(--gutter) 20px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
  }
  .nav[data-open] .nav__link { padding-block: 14px; border-bottom: 1px solid var(--border); font-size: 17px; }
}
@media (min-width: 861px) {
  .nav__toggle { display: none; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-deep); border-top: 1px solid var(--border); padding-block: 72px 40px; font-size: 15px; }
.site-footer__grid { display: grid; grid-template-columns: 1.4fr repeat(2, 1fr); gap: 48px; }
.site-footer__title { margin-bottom: 16px; color: var(--faint); font-family: var(--font-mono); font-size: 12px; font-weight: 400; letter-spacing: .04em; text-transform: uppercase; }
.site-footer__list { display: grid; gap: 10px; }
.site-footer__list a:hover { color: var(--accent); }
.site-footer__contact { display: grid; gap: 10px; font-style: normal; }
.site-footer__contact a:hover { color: var(--accent); }
.site-footer__external { margin-top: 10px; }
.site-footer__external a:hover { color: var(--accent); }
.site-footer__note { margin-top: 14px; max-width: 360px; }
.site-footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--border); color: var(--faint); font-size: 13px; }
@media (max-width: 720px) {
  .site-footer__grid { grid-template-columns: 1fr; gap: 36px; }
}

/* ---------- Ürün kartları ---------- */
.products { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.product-card--feature { grid-column: 1 / -1; }
.product-card__link:hover { color: var(--accent); }
.product-card__tagline { color: var(--text); font-size: 19px; font-weight: 500; margin-bottom: 8px; }
.product-card__status { margin-top: 18px; }
.product-card__tags, .tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.note { margin-top: 20px; color: var(--faint); font-size: 14px; }
.note a:hover { color: var(--accent); }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }

/* ---------- Ürün sayfası ---------- */
.product-hero {
  padding-block: 72px 64px;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  border-bottom: 1px solid var(--border);
}
.product-hero__tagline { margin-top: 20px; color: var(--text); font-size: 24px; font-weight: 500; letter-spacing: -0.01em; }
.product-hero__summary { margin-top: 16px; max-width: 720px; font-size: 19px; }
.product-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; color: var(--faint); font-family: var(--font-mono); font-size: 13px; }
.breadcrumb a:hover { color: var(--accent); }

.facts { background: var(--bg-alt); border-bottom: 1px solid var(--border); }
.facts__inner { display: flex; flex-wrap: wrap; gap: 24px 64px; padding-block: 32px; }
.facts__item { display: flex; flex-direction: column; gap: 4px; }
.facts__value { color: var(--accent); font-size: 36px; font-weight: 500; line-height: 1; }
.facts__label { color: var(--muted); font-size: 15px; }

.prose { max-width: 720px; }
.prose h2 { font-size: 28px; margin: 40px 0 14px; letter-spacing: -0.02em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 20px; margin: 28px 0 8px; letter-spacing: -0.01em; }
.prose ul { list-style: disc; padding-left: 22px; margin-block: 12px; }
.prose ol { list-style: decimal; padding-left: 22px; margin-block: 12px; }
.prose li { margin-block: 4px; }
.prose table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; margin-block: 20px; font-size: 15px; }
.prose th, .prose td { padding: 10px 14px; border: 1px solid var(--border-2); text-align: left; vertical-align: top; }
.prose th { background: var(--surface); color: var(--text); font-weight: 600; }
.prose p { margin-block: 12px; }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.prose code { padding: 2px 6px; background: var(--surface-2); border-radius: 6px; font-size: .9em; overflow-wrap: anywhere; }
.prose strong { color: var(--text); }
.prose blockquote { margin: 24px 0; padding: 14px 18px; background: var(--surface); border: 1px solid var(--border-2); border-left: 3px solid var(--accent); border-radius: 10px; }
.prose blockquote p { margin: 0; }
.prose pre { margin-block: 16px; padding: 14px 16px; overflow-x: auto; background: var(--bg-deep); border: 1px solid var(--border-2); border-radius: 10px; font-size: 14px; }
.prose pre code { padding: 0; background: none; overflow-wrap: normal; }
.prose h3 { margin: 28px 0 10px; font-size: 20px; }

/* ---------- Mimari şeması ---------- */
.arch { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
.arch__row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.arch__box { display: flex; flex-direction: column; gap: 4px; padding: 18px 20px; background: var(--surface); border: 1px solid var(--border-2); border-radius: 12px; color: var(--text); }
.arch__box strong { font-weight: 600; }
.arch__box--data { border-style: dashed; color: var(--muted); text-align: center; }
.arch__label { color: var(--faint); font-family: var(--font-mono); font-size: 12px; }
.arch__note { color: var(--faint); font-family: var(--font-mono); font-size: 12px; }
.arch__link { align-self: center; width: 1px; height: 28px; background: var(--border-3); }
.arch__core { padding: 24px; background: var(--surface-2); border: 1px solid var(--accent); border-radius: 14px; text-align: center; }
.arch__core-title { display: block; color: var(--text); font-size: 20px; }
.arch__chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 14px; }

@media (max-width: 1000px) {
  .products { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .products { grid-template-columns: 1fr; }
  .product-hero { padding-block: 48px 40px; }
}

/* ---------- Form ---------- */
.wrap--narrow { max-width: calc(760px + var(--gutter) * 2); }
.form { display: grid; gap: 22px; }
.field { display: grid; gap: 8px; }
.field label { color: var(--text); font-size: 15px; font-weight: 500; }
.input {
  width: 100%;
  padding: 13px 14px;
  background: var(--surface);
  border: 1px solid var(--border-3);
  border-radius: var(--radius-btn);
  color: var(--text);
  font: inherit;
  font-size: 16px;
}
.input::placeholder { color: var(--faint); }
.input:hover { border-color: var(--faint); }
textarea.input { resize: vertical; min-height: 140px; }
.field__hint { color: var(--faint); font-size: 13px; }
.field__error { color: #FF8A80; font-size: 14px; }
.field--check { grid-template-columns: auto 1fr; align-items: start; column-gap: 12px; }
.field--check input { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--accent); }
.field--check .field__error { grid-column: 1 / -1; }
.field--check a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.alert { padding: 16px 18px; border-radius: var(--radius-btn); border: 1px solid var(--border-3); background: var(--surface); margin-bottom: 24px; }
.alert--ok { border-color: var(--accent); color: var(--text); }
.alert--error { border-color: #FF8A80; color: var(--text); }
.search-form { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; max-width: 560px; }
.search-form .input { flex: 1 1 260px; width: auto; }
.empty { color: var(--faint); }
.results { display: grid; gap: 16px; margin-top: 12px; }
.nav__link--cta { color: var(--accent); }

/* ---------- Doküman ---------- */
.docs { display: grid; grid-template-columns: 240px minmax(0, 1fr) 220px; gap: 48px; padding-block: 56px 96px; align-items: start; }
.docs__nav, .docs__toc { position: sticky; top: 92px; font-size: 15px; }
.docs__product { display: block; margin-bottom: 12px; color: var(--faint); font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; text-transform: uppercase; }
.docs__nav ul, .docs__toc ul { display: grid; gap: 2px; }
.docs__nav a, .docs__toc a { display: block; padding: 7px 12px; border-left: 2px solid var(--border-2); color: var(--muted); }
.docs__nav a:hover, .docs__toc a:hover { color: var(--text); border-color: var(--faint); }
.docs__nav a[aria-current="page"] { color: var(--accent); border-color: var(--accent); }
.docs__toc-sub a { padding-left: 24px; font-size: 14px; }
.docs__all { display: inline-block; margin-top: 20px; color: var(--faint); }
.docs__all:hover { color: var(--accent); }
.docs__main h1 { font-size: clamp(32px, 4vw, 48px); }
.docs__summary { margin: 14px 0 32px; font-size: 18px; }
.docs__pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 56px; }
.docs__pager-link { display: grid; gap: 4px; padding: 16px 18px; border: 1px solid var(--border-2); border-radius: var(--radius-btn); background: var(--surface); color: var(--text); font-weight: 500; }
.docs__pager-link:hover { border-color: var(--accent); }
.docs__pager-link--next { text-align: right; grid-column: 2; }
.docs__pager-link span { color: var(--faint); font-size: 12px; font-weight: 400; }
.doc-list { display: grid; gap: 8px; margin-top: 14px; }
.doc-list a:hover { color: var(--accent); }
.docs .prose { max-width: none; }
.docs__main { min-width: 0; }

@media (max-width: 1100px) {
  .docs { grid-template-columns: 220px minmax(0, 1fr); }
  .docs__toc { display: none; }
}
@media (max-width: 760px) {
  .docs { grid-template-columns: minmax(0, 1fr); gap: 32px; padding-block: 32px 64px; }
  .docs__nav { position: static; }
}

/* ---------- Sürüm notları ---------- */
.changelog { display: grid; gap: 0; }
.changelog__entry { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 32px; padding-block: 32px; border-top: 1px solid var(--border); }
.changelog__entry:last-child { border-bottom: 1px solid var(--border); }
.changelog__meta { display: grid; gap: 6px; align-content: start; color: var(--faint); font-size: 13px; }
.changelog__version { color: var(--accent); font-size: 18px; }
@media (max-width: 720px) {
  .changelog__entry { grid-template-columns: 1fr; gap: 12px; }
}
.case__body { margin-top: 40px; }

/* ---------- Hücre ızgarası: ikonlu başlık ---------- */
.cell-grid__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.cell-grid__head .cell-grid__code { margin-bottom: 0; }
.cell-grid__icon { display: inline-grid; place-items: center; width: 38px; height: 38px; background: var(--bg-alt); border: 1px solid var(--border-3); border-radius: 10px; color: var(--accent); }

/* ---------- Ürün kartı: başlık satırı ---------- */
.product-card__head { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.product-card__icon { display: inline-grid; place-items: center; width: 44px; height: 44px; flex: none; background: var(--bg-alt); border: 1px solid var(--border-3); border-radius: 12px; color: var(--accent); }
.product-card__head .card__code { margin-bottom: 0; }
.product-card__platform { margin-left: auto; }
.product-card__more { display: inline-flex; align-items: center; gap: 8px; margin-top: 20px; color: var(--accent); font-family: var(--font-mono); font-size: 13px; }
.product-card__link::after { content: ""; position: absolute; inset: 0; }
.products .card { position: relative; transition: border-color .15s, background-color .15s; }
.products .card:hover { border-color: var(--accent); background: var(--surface-2); }

/* WhatsApp sabit düğmesi (yalnızca numara ayarlıysa) */
.fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  font-size: 15px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, .45);
}
.fab:hover { filter: brightness(1.08); }
@media (max-width: 720px) {
  .fab { right: 14px; bottom: 14px; padding: 14px; }
  .fab__label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
}

/* Teklif şeridi */
.quote-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px 40px;
  padding: 36px 40px;
  border: 1px solid var(--border-3);
  border-radius: 18px;
  background: var(--surface);
}
.quote-strip__text { flex: 1 1 360px; min-width: 0; }
.quote-strip__text h2 { font-size: clamp(24px, 3vw, 32px); }
.quote-strip__text p { margin-top: 10px; }
.quote-strip__actions { display: flex; flex-wrap: wrap; gap: 12px; }
@media (max-width: 720px) { .quote-strip { padding: 24px; } }

/* Hızlı iletişim kartları */
.quick-contact { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 40px; }
.quick-contact__item { display: grid; gap: 6px; padding: 20px 22px; border: 1px solid var(--border-2); border-radius: 14px; background: var(--surface); color: var(--text); }
.quick-contact__item:hover { border-color: var(--accent); background: var(--surface-2); }
.quick-contact__label { color: var(--faint); font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; text-transform: uppercase; }
.quick-contact__value { font-weight: 600; overflow-wrap: anywhere; }