/* ===========================================================================
   NSX — 02 / BİLEŞENLER
   Buton, kart, form, rozet, akordiyon, tablo, sekme, sayfalama.
   =========================================================================== */

/* --- Butonlar ------------------------------------------------------------ */
.btn {
  --btn-bg: var(--navy-900);
  --btn-fg: #fff;
  --btn-bd: var(--navy-900);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .7em;
  padding: 1.05rem 1.85rem;
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: .005em;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1px solid var(--btn-bd);
  overflow: hidden;
  isolation: isolate;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
  white-space: nowrap;
}

/* Alttan yükselen dolgu */
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--accent);
  transform: translateY(101%);
  transition: transform var(--dur) var(--ease-out);
}
.btn:hover::before, .btn:focus-visible::before { transform: translateY(0); }
.btn:hover { border-color: var(--accent); color: #fff; }

.btn .ico { transition: transform var(--dur) var(--ease-out); flex: none; }
.btn:hover .ico { transform: translateX(4px); }

.btn--outline { --btn-bg: transparent; --btn-fg: var(--navy-900); --btn-bd: var(--line-strong); }
.btn--outline:hover { color: #fff; }

.btn--ghost-light { --btn-bg: transparent; --btn-fg: #fff; --btn-bd: var(--line-dark); }
.btn--ghost-light:hover { border-color: var(--accent); }

.btn--light { --btn-bg: #fff; --btn-fg: var(--navy-900); --btn-bd: #fff; }
.btn--light:hover { color: #fff; }

.btn--accent { --btn-bg: var(--accent); --btn-fg: #fff; --btn-bd: var(--accent); }
.btn--accent::before { background: var(--navy-900); }
.btn--accent:hover { border-color: var(--navy-900); }

.btn--sm { padding: .7rem 1.15rem; font-size: var(--fs-xs); }
.btn--lg { padding: 1.2rem 2.25rem; font-size: var(--fs-base); }
.btn--block { display: flex; width: 100%; }

/* Metin bağlantısı — altı soldan çizilen */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .55em;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--navy-800);
  position: relative;
  padding-bottom: 3px;
}
.link-arrow::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .45s var(--ease-out);
}
.link-arrow:hover::after,
.link-arrow:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.link-arrow .ico { transition: transform .35s var(--ease-out); }
.link-arrow:hover .ico,
.link-arrow:focus-visible .ico { transform: translateX(4px); }
.on-dark .link-arrow { color: #fff; }

/* --- Rozetler ------------------------------------------------------------ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .45em;
  padding: .35em .7em;
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--navy-700);
  background: var(--accent-soft);
  border: 1px solid rgba(47,107,228,.18);
}
.badge--stock { color: #14794A; background: var(--signal-soft); border-color: var(--signal-line); }
.badge--order { color: #7A5713; background: var(--warn-soft); border-color: var(--warn-line); }
.badge--dark  { color: #fff; background: rgba(255,255,255,.10); border-color: var(--line-dark); }

.dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px var(--signal-soft);
  flex: none;
}
.dot--pulse { animation: dotPulse 2.4s var(--ease-in-out) infinite; }
@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 0 3px var(--signal-soft); }
  50%      { box-shadow: 0 0 0 6px rgba(47,163,107,.04); }
}

/* --- Bölüm başlığı ------------------------------------------------------- */
.sec-head {
  display: grid;
  gap: 1.25rem;
  margin-bottom: clamp(2rem, 1.2rem + 2.4vw, 3.75rem);
}
.sec-head__top { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.sec-head__title { max-width: 22ch; }
.sec-head__text { max-width: 58ch; }

@media (min-width: 900px) {
  .sec-head--split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: end;
    column-gap: clamp(2rem, 4vw, 5rem);
  }
  .sec-head--split .sec-head__top { grid-column: 1 / -1; }
  .sec-head--split .sec-head__aside { justify-self: end; text-align: left; }
}

/* --- Genel kart ---------------------------------------------------------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease);
}
.card::after {
  /* köşe kesimindeki ince aksan çizgisi */
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: var(--cut); height: var(--cut);
  background: linear-gradient(225deg, var(--line) 0 50%, transparent 50%);
  transition: background var(--dur) var(--ease);
  pointer-events: none;
}
.card:hover { border-color: var(--navy-800); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card:hover::after { background: linear-gradient(225deg, var(--navy-800) 0 50%, transparent 50%); }

.card__body { padding: var(--pad); display: flex; flex-direction: column; gap: .85rem; flex: 1; }
.card__title { font-size: var(--fs-h4); }
.card__text { color: var(--text-muted); font-size: var(--fs-sm); line-height: var(--lh-xs); }
.card__foot { margin-top: auto; padding-top: 1.1rem; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

/* Kart içi görsel çerçevesi */
.card__media {
  position: relative;
  overflow: hidden;
  background: var(--mist);
  aspect-ratio: 4 / 3;
  border-bottom: 1px solid var(--line);
}
.card__media img, .card__media svg {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .9s var(--ease-out);
}
.card:hover .card__media img, .card:hover .card__media svg { transform: scale(1.045); }
.card__media--contain { display: grid; place-items: center; padding: 12%; }
.card__media--contain img, .card__media--contain svg { object-fit: contain; }

/* --- İkon kutusu --------------------------------------------------------- */
.icon-box {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  color: var(--navy-800);
  background: var(--mist);
  border: 1px solid var(--line);
  flex: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.card:hover .icon-box, .svc-card:hover .icon-box { background: var(--navy-900); color: #fff; border-color: var(--navy-900); }
.on-dark .icon-box { background: rgba(255,255,255,.05); border-color: var(--line-dark); color: #fff; }

.ico { fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

/* --- Formlar ------------------------------------------------------------- */
.field { display: grid; gap: .5rem; }
.field__label {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--navy-900);
  display: flex; align-items: center; gap: .35em;
}
.field__label .req { color: var(--accent); }
.field__hint { font-size: var(--fs-xs); color: var(--text-faint); }

.input, .select, .textarea {
  width: 100%;
  padding: .95rem 1.05rem;
  font-size: var(--fs-sm);
  color: var(--text);
  background: var(--paper);
  border: 1px solid var(--line-strong);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
  appearance: none;
}
.textarea { min-height: 140px; resize: vertical; line-height: var(--lh-xs); }
.input::placeholder, .textarea::placeholder { color: var(--text-faint); }
.input:hover, .select:hover, .textarea:hover { border-color: var(--navy-400); }
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.input[aria-invalid="true"], .textarea[aria-invalid="true"], .select[aria-invalid="true"] {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px var(--danger-soft);
}
.field__error { font-size: var(--fs-xs); color: var(--danger); font-weight: 500; }

.select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%2356637A' stroke-width='1.6'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.05rem center;
  padding-right: 2.6rem;
  cursor: pointer;
}

/* Onay kutusu */
.check { display: flex; align-items: flex-start; gap: .7rem; cursor: pointer; font-size: var(--fs-xs); color: var(--text-muted); line-height: var(--lh-xs); }
.check input { position: absolute; opacity: 0; width: 0; height: 0; }
.check__box {
  width: 18px; height: 18px; flex: none; margin-top: 1px;
  border: 1px solid var(--line-strong);
  display: grid; place-items: center;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.check__box::after {
  content: "";
  width: 9px; height: 5px;
  border-left: 1.8px solid #fff; border-bottom: 1.8px solid #fff;
  transform: rotate(-45deg) scale(.4);
  opacity: 0;
  transition: opacity .16s var(--ease), transform .16s var(--ease-out);
  margin-top: -2px;
}
.check input:checked + .check__box { background: var(--navy-900); border-color: var(--navy-900); }
.check input:checked + .check__box::after { opacity: 1; transform: rotate(-45deg) scale(1); }
.check input:focus-visible + .check__box { outline: 2px solid var(--accent); outline-offset: 2px; }
.check a { text-decoration: underline; text-underline-offset: 2px; color: var(--navy-800); }

/* Form geri bildirimi */
.form-note {
  padding: 1rem 1.15rem;
  border-left: 2px solid var(--accent);
  background: var(--accent-soft);
  font-size: var(--fs-sm);
  color: var(--navy-800);
}
.form-note--ok { border-color: var(--signal); background: var(--signal-soft); color: #14794A; }
.form-note--err { border-color: var(--danger); background: var(--danger-soft); color: #9E3021; }

/* --- Akordiyon (SSS) ----------------------------------------------------- */
.acc { border-top: 1px solid var(--line); }
.acc__item { border-bottom: 1px solid var(--line); }
.acc__btn {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem 0;
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--navy-900);
  transition: color var(--dur-fast) var(--ease);
}
.acc__btn:hover { color: var(--accent); }
.acc__sign {
  position: relative;
  width: 22px; height: 22px; flex: none; margin-top: .28em;
  border: 1px solid var(--line-strong);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease-out);
}
.acc__sign::before, .acc__sign::after {
  content: ""; position: absolute; inset: 50% 5px auto 5px;
  height: 1px; background: var(--navy-900);
  transition: transform var(--dur) var(--ease-out), background var(--dur) var(--ease);
}
.acc__sign::after { transform: rotate(90deg); }
.acc__btn[aria-expanded="true"] .acc__sign { background: var(--navy-900); border-color: var(--navy-900); transform: rotate(180deg); }
.acc__btn[aria-expanded="true"] .acc__sign::before,
.acc__btn[aria-expanded="true"] .acc__sign::after { background: #fff; }
.acc__btn[aria-expanded="true"] .acc__sign::after { transform: rotate(0deg); }

.acc__panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .45s var(--ease-out); }
.acc__panel[data-open="true"] { grid-template-rows: 1fr; }
.acc__inner { overflow: hidden; }
.acc__inner > div { padding-bottom: 1.6rem; padding-right: clamp(0rem, 6vw, 4rem); color: var(--text-muted); font-size: var(--fs-sm); line-height: var(--lh-md); }

/* --- Sekmeler ------------------------------------------------------------ */
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab {
  position: relative;
  padding: .95rem 1.35rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease);
}
.tab::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px;
  height: 2px; background: var(--navy-900);
  transform: scaleX(0); transform-origin: center;
  transition: transform .35s var(--ease-out);
}
.tab:hover, .tab:focus-visible { color: var(--navy-900); }
.tab[aria-selected="true"] { color: var(--navy-900); font-weight: 600; }
.tab[aria-selected="true"]::after { transform: scaleX(1); }

/* --- Teknik özellik tablosu ---------------------------------------------- */
.spec-table { font-size: var(--fs-sm); }
.spec-table tr { border-bottom: 1px solid var(--line); }
.spec-table tr:first-child { border-top: 1px solid var(--line); }
.spec-table th {
  text-align: left;
  font-weight: 500;
  color: var(--text-muted);
  padding: .95rem 1.25rem .95rem 0;
  width: 42%;
  vertical-align: top;
}
.spec-table td {
  padding: .95rem 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .01em;
  color: var(--navy-900);
  font-variant-numeric: tabular-nums;
  vertical-align: top;
}
.spec-table tr:nth-child(even) { background: linear-gradient(to right, var(--mist) 0 100%); }

/* --- Onay listesi -------------------------------------------------------- */
.ticks { display: grid; gap: .85rem; }
.ticks li { display: flex; gap: .8rem; align-items: flex-start; font-size: var(--fs-sm); line-height: var(--lh-xs); color: var(--text-muted); }
.ticks li::before {
  content: "";
  width: 16px; height: 16px; flex: none; margin-top: .3em;
  background: var(--accent-soft);
  border: 1px solid rgba(47,107,228,.28);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='8' fill='none' stroke='%232F6BE4' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 4.2 3.6 6.8 9 1.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}
.on-dark .ticks li { color: var(--text-invert-muted); }
.on-dark .ticks li::before {
  background-color: rgba(255,255,255,.06);
  border-color: var(--line-dark);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='8' fill='none' stroke='%23ffffff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 4.2 3.6 6.8 9 1.4'/%3E%3C/svg%3E");
}

/* --- Sayfalama ----------------------------------------------------------- */
.pager { display: flex; gap: .4rem; align-items: center; justify-content: center; flex-wrap: wrap; margin-top: 3rem; }
.pager a, .pager span {
  min-width: 42px; height: 42px;
  display: grid; place-items: center;
  padding-inline: .75rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  border: 1px solid var(--line);
  color: var(--text-muted);
  transition: color, background-color, border-color, box-shadow, transform, opacity;
  transition-duration: var(--dur-fast);
  transition-timing-function: var(--ease);
}
.pager a:hover { border-color: var(--navy-900); color: var(--navy-900); }
.pager .is-current { background: var(--navy-900); border-color: var(--navy-900); color: #fff; }
.pager .is-disabled { opacity: .4; pointer-events: none; }

/* --- Kırıntı yolu -------------------------------------------------------- */
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; font-size: var(--fs-xs); color: var(--text-invert-muted); }
.crumbs a { transition: color var(--dur-fast) var(--ease); }
.crumbs a:hover { color: #fff; }
.crumbs li { display: flex; align-items: center; gap: .5rem; }
.crumbs li + li::before { content: ""; width: 4px; height: 4px; background: currentColor; opacity: .4; transform: rotate(45deg); }
.crumbs [aria-current] { color: #fff; }

/* --- Alıntı -------------------------------------------------------------- */
.quote {
  position: relative;
  padding-left: clamp(1.5rem, 3vw, 2.75rem);
  border-left: 2px solid var(--accent);
  font-size: var(--fs-lg);
  line-height: var(--lh-xs);
  letter-spacing: -.018em;
  color: var(--navy-900);
  font-weight: 500;
}
.on-dark .quote { color: #fff; border-color: var(--navy-400); }

/* --- Yukarı çık --------------------------------------------------------- */
.to-top {
  position: fixed;
  right: clamp(1rem, 2vw, 2rem);
  bottom: clamp(1rem, 2vw, 2rem);
  width: 46px; height: 46px;
  display: grid; place-items: center;
  background: var(--navy-900);
  color: #fff;
  border: 1px solid var(--navy-700);
  z-index: 60;
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity .35s var(--ease), transform .35s var(--ease-out), visibility .35s, background .25s var(--ease);
}
.to-top.is-on { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--accent); border-color: var(--accent); }

/* Yukarı okunun yönü */
.to-top .ico { transform: rotate(-90deg); }