/* ── Tema düğmesi (her zaman) ─────────────────────────────────── */
.theme-toggle {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border: 1px solid #dcdcdc;
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
  position: relative;
}
.theme-toggle:hover {
  border-color: #1a6eff;
  background: #f5f8ff;
}
.theme-toggle:active { transform: scale(0.96); }
.theme-toggle__icon {
  position: absolute;
  width: 18px;
  height: 18px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}
.theme-toggle__icon--moon {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231a1a1a' stroke-width='2'%3E%3Cpath d='M21 12.79A9 9 0 1 1 11.21 3 7 7 0 0 0 21 12.79z'/%3E%3C/svg%3E");
}
.theme-toggle__icon--sun {
  display: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f5c542' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='4'/%3E%3Cpath d='M12 2v2M12 20v2M4.93 4.93l1.41 1.41M17.66 17.66l1.41 1.41M2 12h2M20 12h2M4.93 19.07l1.41-1.41M17.66 6.34l1.41-1.41'/%3E%3C/svg%3E");
}
.theme-toggle.theme-toggle--dark .theme-toggle__icon--moon { display: none; }
.theme-toggle.theme-toggle--dark .theme-toggle__icon--sun { display: block; }

/* ── Karanlık tema ───────────────────────────────────────────── */
[data-theme="dark"] {
  color-scheme: dark;
}

[data-theme="dark"] body {
  background: #0c1017;
  color: #e4e7ec;
}

[data-theme="dark"] .site-header-nav {
  background: #141b24;
  border-bottom-color: #252d3a;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.35);
}

[data-theme="dark"] .nav-logo-img--light {
  display: none;
}
[data-theme="dark"] .nav-logo-img--dark {
  display: block;
}

[data-theme="dark"] .fcb-brand-img--light {
  display: none;
}
[data-theme="dark"] .fcb-brand-img--dark {
  display: block;
}

[data-theme="dark"] .nav-links > li > a {
  color: #e4e7ec;
}
[data-theme="dark"] .nav-links > li > a:hover,
[data-theme="dark"] .nav-links a[aria-current="page"] {
  color: #6aa8ff;
}

[data-theme="dark"] .nav-dropdown {
  background: #1a2230;
  border-color: #2d3848;
  border-top-color: #1a6eff;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
}
[data-theme="dark"] .nav-dropdown--mega {
  border-color: #2d3848;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
}
[data-theme="dark"] .nav-mega__inner {
  background: #1a2230;
}
[data-theme="dark"] .nav-mega__title {
  color: #e4e7ec;
}
[data-theme="dark"] .nav-mega__links a {
  color: #d1d5db;
}
[data-theme="dark"] .nav-mega__links a:hover {
  background: #243044;
  color: #8eb8ff;
}
[data-theme="dark"] .nav-mega__deco {
  color: #6aa8ff;
}

[data-theme="dark"] .nav-lang {
  background: #1a2230;
  border-color: #2d3848;
  color: #e4e7ec;
}
[data-theme="dark"] .nav-lang:hover {
  border-color: #1a6eff;
  color: #8eb8ff;
}

[data-theme="dark"] .theme-toggle {
  background: #1a2230;
  border-color: #2d3848;
}
[data-theme="dark"] .theme-toggle:hover {
  background: #243044;
  border-color: #1a6eff;
}
[data-theme="dark"] .theme-toggle__icon--moon {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e4e7ec' stroke-width='2'%3E%3Cpath d='M21 12.79A9 9 0 1 1 11.21 3 7 7 0 0 0 21 12.79z'/%3E%3C/svg%3E");
}

[data-theme="dark"] .app-rail {
  background: #141b24;
  border-right-color: #252d3a;
}
[data-theme="dark"] .app-rail-flyout {
  background: #141b24;
}
[data-theme="dark"] .app-rail-hover-zone:hover .app-rail-flyout,
[data-theme="dark"] .app-rail-hover-zone:focus-within .app-rail-flyout {
  border-right-color: #2d3848;
  box-shadow: 8px 4px 32px rgba(0, 0, 0, 0.5);
}
[data-theme="dark"] .flyout-list a {
  color: #e4e7ec;
}
[data-theme="dark"] .flyout-list a:hover {
  background: #1e2836;
}
[data-theme="dark"] .flyout-ic {
  background: #1e2836;
  border-color: #2d3848;
}
[data-theme="dark"] .flyout-arr {
  color: #6b7280;
}

[data-theme="dark"] .sb-item {
  color: #9ca3af;
  background: #1e2836;
}
[data-theme="dark"] .sb-item:hover,
[data-theme="dark"] .sb-item.on {
  background: #243a5c;
  color: #8eb8ff;
}

[data-theme="dark"] .hero,
[data-theme="dark"] .hero-slide,
[data-theme="dark"] .hero-slide--empty {
  background: #0c1017;
}
[data-theme="dark"] .hdot {
  background: rgba(255, 255, 255, 0.22);
}
[data-theme="dark"] .harrow {
  background: rgba(30, 40, 54, 0.92);
  color: #e4e7ec;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}
[data-theme="dark"] .harrow:hover {
  background: #1e2836;
}

[data-theme="dark"] .brands-sec {
  background: #0c1017;
}
[data-theme="dark"] .brands-sec .sec-title {
  color: #f1f5f9;
}
[data-theme="dark"] .brands-sec .sec-sub {
  color: #9ca3af;
}
[data-theme="dark"] .brands-sec .btn-pill {
  background: #e4e7ec;
  color: #0c1017;
}
[data-theme="dark"] .brands-sec .btn-pill:hover {
  background: #fff;
}
[data-theme="dark"] .brand-card {
  box-shadow: 0 4px 22px rgba(0, 0, 0, 0.45);
}
[data-theme="dark"] .brand-card:hover {
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.55);
}
[data-theme="dark"] .brand-card__bg--ph {
  background: linear-gradient(145deg, #2d3848 0%, #1e2836 50%, #141b24 100%);
}
[data-theme="dark"] .brand-card__logo {
  background: #1a2230;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}
[data-theme="dark"] .brand-card__logo--text span {
  color: #f1f5f9;
}

[data-theme="dark"] .sol-sec {
  background: #101820;
}
[data-theme="dark"] .sol-sec-heading,
[data-theme="dark"] .sol-sec .sol-title {
  color: #f1f5f9;
}
[data-theme="dark"] .sol-kicker {
  color: #7d8a99;
}
[data-theme="dark"] .sol-desc {
  color: #aeb6c2;
}
[data-theme="dark"] .sol-detail-body {
  color: #aeb6c2;
}
[data-theme="dark"] .sol-detail-body a {
  color: #8eb8ff;
}
[data-theme="dark"] .sol-media,
[data-theme="dark"] .sol-gallery__item {
  border-color: #2d3848;
  background: #141b24;
}
[data-theme="dark"] .sol-sec__empty {
  color: #7d8a99;
}

[data-theme="dark"] .foot-contact-bar {
  background: #1a2230;
  box-shadow: 0 14px 50px rgba(0, 0, 0, 0.55);
}
[data-theme="dark"] .fcb-soc-label {
  color: #e4e7ec;
}
[data-theme="dark"] .fcb-item {
  color: #c5cad3;
}
[data-theme="dark"] .fcb-item:hover {
  color: #8eb8ff;
}

[data-theme="dark"] .cu-cards-wrap {
  background: #0c1017;
}
[data-theme="dark"] .cu-card {
  background: #141b24;
  border-color: #2d3848;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}
[data-theme="dark"] .cu-card p,
[data-theme="dark"] .cu-card .cu-lines {
  color: #aeb6c2;
}
[data-theme="dark"] .cu-socbar {
  background: #0c1017;
  border-color: #252d3a;
}
[data-theme="dark"] .cu-socbar strong {
  color: #f1f5f9;
}

[data-theme="dark"] .cu-main {
  background: linear-gradient(180deg, #0e141c 0%, #101820 40%, #0c1017 100%);
}
[data-theme="dark"] .cu-lead h2 {
  color: #f1f5f9;
}
[data-theme="dark"] .cu-lead p {
  color: #9ca3af;
}
[data-theme="dark"] .cu-field label {
  color: #d1d5db;
}
[data-theme="dark"] .cu-field input,
[data-theme="dark"] .cu-field textarea {
  background: #141b24;
  border-color: #2d3848;
  color: #e4e7ec;
}
[data-theme="dark"] .cu-submit {
  background: #2d3848;
  border-color: #3d4d64;
  color: #f1f5f9;
}
[data-theme="dark"] .cu-submit:hover {
  background: #3d4d64;
}
[data-theme="dark"] .cu-map h3 {
  color: #f1f5f9;
}

[data-theme="dark"] .ha-intro,
[data-theme="dark"] .ha-split--light,
[data-theme="dark"] .ha-prose,
[data-theme="dark"] .ha-vision {
  background: #0c1017;
}
[data-theme="dark"] .ha-intro__lead {
  color: #f1f5f9;
}
[data-theme="dark"] .ha-h2 {
  color: #f1f5f9;
}
[data-theme="dark"] .ha-split__text p,
[data-theme="dark"] .ha-prose__inner p,
[data-theme="dark"] .ha-vision__col p {
  color: #aeb6c2;
}
[data-theme="dark"] .ha-stat-card {
  background: #141b24;
  border-color: #2d3848;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.45);
}
[data-theme="dark"] .ha-figure__img {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}
[data-theme="dark"] .ha-vision__img-wrap {
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45);
}

[data-theme="dark"] .tl-section {
  background: #0c1017;
}
[data-theme="dark"] .tl-wrap::before {
  background: linear-gradient(180deg, #2d3848 0%, #252d3a 50%, #2d3848 100%);
}
[data-theme="dark"] .tl-dot {
  border-color: #0c1017;
  box-shadow: 0 0 0 2px #3d4d64;
}
[data-theme="dark"] .tl-card {
  background: #141b24;
  border-color: #2d3848;
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0.35);
}
[data-theme="dark"] .tl-card:hover {
  border-color: #3d4d64;
}
[data-theme="dark"] .tl-card__fig {
  border-color: #2d3848;
  background: #1e2836;
}
[data-theme="dark"] .tl-desc {
  color: #aeb6c2;
}

[data-theme="dark"] .legal-doc {
  background: #0c1017;
}
[data-theme="dark"] .legal-doc__body {
  color: #aeb6c2;
}
[data-theme="dark"] .legal-doc__body h2,
[data-theme="dark"] .legal-doc__body h3 {
  color: #f1f5f9;
}
[data-theme="dark"] .legal-doc__body a {
  color: #8eb8ff;
}

[data-theme="dark"] .sv-card {
  background: #141b24;
  border-color: #2d3848;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
}
[data-theme="dark"] .sv-card:hover {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
}
[data-theme="dark"] .sv-card__media {
  background: linear-gradient(145deg, #1e2836 0%, #141b24 100%);
}
[data-theme="dark"] .sv-card__title {
  color: #f1f5f9;
}
[data-theme="dark"] .home-services-sec .sv-card:hover .sv-card__title {
  color: #8eb8ff;
}
[data-theme="dark"] .home-services-sec .sv-card__link:focus-visible {
  outline-color: #8eb8ff;
}
[data-theme="dark"] .sv-card__excerpt {
  color: #aeb6c2;
}
[data-theme="dark"] .sv-card__more {
  color: #8eb8ff;
}

[data-theme="dark"] .partners-sec {
  background: #0c1017;
}
[data-theme="dark"] .partners-sec__title {
  color: #f1f5f9;
}
[data-theme="dark"] .partner-card__inner {
  background: #141b24;
  border-color: #2d3848;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
}
[data-theme="dark"] a.partner-card__inner:hover {
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.45);
}
[data-theme="dark"] .partner-card__name {
  color: #e4e7ec;
}
[data-theme="dark"] .partner-card__initial {
  background: linear-gradient(145deg, #1e2836, #243044);
  color: #8eb8ff;
}
[data-theme="dark"] .partners-sec__rule {
  opacity: 0.85;
}

[data-theme="dark"] .partners-page-body {
  background: #0c1017;
}
[data-theme="dark"] .partners-page__lead {
  color: #aeb6c2;
}
[data-theme="dark"] .partners-page__empty {
  color: #7d8a99;
}

[data-theme="dark"] .proj-list-wrap {
  background: #0c1017;
}
[data-theme="dark"] .proj-list-empty {
  color: #7d8a99;
}
[data-theme="dark"] .proj-card {
  background: #141b24;
  border-color: #2d3848;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
}
[data-theme="dark"] .proj-card:hover {
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.45);
}
[data-theme="dark"] .proj-card__title {
  color: #f1f5f9;
}
[data-theme="dark"] .proj-card__excerpt {
  color: #aeb6c2;
}
[data-theme="dark"] .proj-card__more {
  color: #8eb8ff;
}
[data-theme="dark"] .proj-card__ph {
  background: linear-gradient(145deg, #1e2836, #141b24);
}
[data-theme="dark"] .proj-detail-hero,
[data-theme="dark"] .proj-detail-body-wrap {
  background: #0c1017;
}
[data-theme="dark"] .proj-detail-lead {
  color: #aeb6c2;
}
[data-theme="dark"] .proj-gallery__heading {
  color: #f1f5f9;
}
[data-theme="dark"] .proj-gallery__item {
  border-color: #2d3848;
  background: #141b24;
}

[data-theme="dark"] .sv-detail-intro,
[data-theme="dark"] .sv-detail-body {
  background: #0c1017;
}
[data-theme="dark"] .sv-detail-lead {
  color: #aeb6c2;
}

[data-theme="dark"] .cu-alert--danger {
  background: #3d2020;
  border-color: #8a4a4a;
  color: #ffcdd2;
}

[data-theme="dark"] .page-career .car-top,
[data-theme="dark"] .page-career .car-prose-wrap {
  background: #0c1017;
  border-top-color: #2d3848;
}
[data-theme="dark"] .page-career .car-form-intro {
  color: #9ca3af;
}
[data-theme="dark"] .page-career .cu-field input[type="file"] {
  background: #141b24;
  border-color: #2d3848;
  color: #e4e7ec;
}
[data-theme="dark"] .page-career .car-prose h2,
[data-theme="dark"] .page-career .car-prose strong {
  color: #f1f5f9;
}
[data-theme="dark"] .page-career .car-prose p {
  color: #aeb6c2;
}

[data-theme="dark"] .nav-drawer-backdrop {
  background: rgba(0, 0, 0, 0.62);
}

@media (max-width: 1100px) {
  [data-theme="dark"] .nav-center {
    background: #141b24;
    border-right-color: #252d3a;
    box-shadow: 8px 0 36px rgba(0, 0, 0, 0.5);
    mask-image: none;
  }
  [data-theme="dark"] .nav-dropdown {
    background: #1a2230;
    border: none;
  }
  [data-theme="dark"] .nav-drawer-contact {
    border-top-color: rgba(255, 255, 255, 0.08);
  }
  [data-theme="dark"] .nav-drawer-contact__label {
    color: #7d8a99;
  }
  [data-theme="dark"] .nav-drawer-contact__row {
    background: #1a2230;
    border-color: #2d3848;
    color: #e4e7ec;
    box-shadow: none;
  }
  [data-theme="dark"] .nav-drawer-contact__row:hover {
    border-color: #1a6eff;
    color: #8eb8ff;
  }
  [data-theme="dark"] .nav-drawer-contact__ic {
    background: linear-gradient(145deg, #1e2836 0%, #243044 100%);
    border-color: #2d3848;
  }
  [data-theme="dark"] .nav-drawer-contact__cta {
    background: #e4e7ec;
    color: #0c1017;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
  }
  [data-theme="dark"] .nav-drawer-contact__cta:hover {
    background: #fff;
    color: #0a1a3a;
  }
}