/* ==========================================================================
   Mescier Grup - components.css
   Header, hero, kartlar, butonlar, formlar, footer
   ========================================================================== */

/* --------------------------------------------------------------------------
   Marka
   -------------------------------------------------------------------------- */

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  line-height: 1;
  transition: opacity 0.25s var(--ease);
}

.brand:hover {
  opacity: 0.82;
}

/* Logo: header ve footer'da yatay kilit; koyu/acik zemine gore degisir */
.brand__logo {
  display: block;
  width: auto;
  height: var(--logo-h, 38px);
  flex: none;
}

.brand__logo--koyu {
  display: none;
}

/* Acik (beyaz cam) header: siyah logo */
.site-header.is-solid .brand__logo--acik {
  display: none;
}

.site-header.is-solid .brand__logo--koyu {
  display: block;
}

.brand__logo--footer {
  height: 44px;
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.brand__name {
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brand__sub {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0.6;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  color: var(--paper);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 13, 22, 0.55), rgba(6, 13, 22, 0));
  opacity: 1;
  transition: opacity var(--dur) var(--ease);
  pointer-events: none;
}

.site-header__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  width: 100%;
  /* Menudeki tam boy buton icin header yuksekligini devralir */
  height: 100%;
}

/* Koyu (scroll sonrasi) ve ic sayfa durumu.
   Yukseklik ve logo boyu sabit kalir: yalnizca zemin ve renk degisir,
   boylece baglantiya tiklayip sayfa kayinca header yerinden oynamaz. */
.site-header.is-solid {
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  backdrop-filter: saturate(180%) blur(18px);
  color: var(--ink-900);
  border-bottom-color: var(--line);
}

.site-header.is-solid::before {
  opacity: 0;
}

.nav {
  display: flex;
  align-items: center;
  align-self: stretch;
  gap: var(--space-6);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav__link {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  padding-block: 6px;
  opacity: 0.86;
  transition: opacity 0.2s var(--ease);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}

.nav__link:hover {
  opacity: 1;
}

.nav__link:hover::after,
.nav__link.is-active::after {
  transform: scaleX(1);
}

.nav__link.is-active {
  opacity: 1;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-right: -10px;
  align-items: center;
  justify-content: center;
}

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 22px;
  height: 12px;
}

.nav-toggle__bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.3s var(--ease-out), opacity 0.2s var(--ease);
}

.nav-toggle__bars span:nth-child(1) {
  top: 0;
}

.nav-toggle__bars span:nth-child(2) {
  bottom: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) {
  transform: translateY(-5px) rotate(-45deg);
}

/* Dil butonu: menunun en saginda, TR sayfada ING / EN sayfada TR yazar */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  padding: 9px 12px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: inherit;
  opacity: 0.8;
  transition: opacity 0.2s var(--ease), background-color 0.25s var(--ease),
    transform 0.25s var(--ease-out);
}

.lang-toggle:hover {
  opacity: 1;
  transform: translateY(-1px);
}

.site-header.is-solid .lang-toggle {
  border-color: var(--line);
}

/* Mobil menu paneli */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 24px) var(--space-5) var(--space-7);
  background: var(--ink-900);
  color: var(--paper);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease-out),
    visibility var(--dur);
}

.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav__link {
  display: block;
  padding: var(--space-3) 0;
  font-size: 1.9rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: #f0f0f0;
  border-bottom: 1px solid var(--line-dark);
}

.mobile-nav__foot {
  margin-top: var(--space-7);
  color: var(--ink-300);
  font-size: 0.9rem;
}

/* --------------------------------------------------------------------------
   Butonlar
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-size: 0.93rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease-out), background-color 0.25s var(--ease),
    color 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn svg {
  width: 16px;
  height: 16px;
  flex: none;
}

.btn--primary {
  background: var(--ink-900);
  color: var(--paper);
}

.btn--primary:hover {
  background: var(--ink-700);
  box-shadow: var(--shadow-md);
}

.btn--gold {
  background: var(--gold);
  color: var(--ink-900);
}

.btn--gold:hover {
  background: var(--gold-light);
}

/* Menudeki "Bize Ulasin": dikdortgen, navbar yuksekliginde, duz zemin */
.btn--ghost {
  border-color: currentColor;
  color: inherit;
  background: transparent;
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn--light {
  background: var(--paper);
  color: var(--ink-900);
}

.btn--light:hover {
  background: var(--paper-tint);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-900);
}

.link-arrow svg {
  width: 15px;
  height: 15px;
  transition: transform 0.3s var(--ease-out);
}

.link-arrow:hover svg {
  transform: translateX(4px);
}

.section--dark .link-arrow {
  color: var(--gold-light);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding-block: calc(var(--nav-h) + 48px) clamp(48px, 8vh, 96px);
  color: var(--paper);
  overflow: clip;
  isolation: isolate;
}

.hero--compact {
  min-height: 62svh;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  /* Gorsel/video gelene kadar gecerli olan yedek zemin */
  background: radial-gradient(120% 90% at 20% 10%, #17324F 0%, #0A1A2F 45%, #060D16 100%);
}

.hero__media img,
.hero__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__media video {
  position: absolute;
  inset: 0;
}

/* YouTube arka plan katmani: 16:9 video hero'yu tamamen kaplar.
   --hero-video-zoom ile biraz tasirilir ki oynaticinin kenar katmanlari
   (baslik, logo) kirpilsin. */
.hero__video {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  --hero-video-zoom: 1.25;
  /* Oynatma baslayana kadar gizli: YouTube'un acilistaki buyuk oynat
     dugmesi hic gorunmez, o sure boyunca sabit kare durur. */
  opacity: 0;
  transition: opacity 0.8s var(--ease);
}

.hero__video.is-oynuyor {
  opacity: 1;
}

/* Video bitti ya da oynatilamadi: altindaki sabit kare gorunur */
.hero__video.is-bitti {
  opacity: 0;
}

.hero__video iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  width: calc(max(100%, 177.78svh) * var(--hero-video-zoom));
  height: calc(max(100%, 56.25vw) * var(--hero-video-zoom));
  transform: translate(-50%, -50%);
  border: 0;
}

.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
      180deg,
      rgba(6, 13, 22, 0.62) 0%,
      rgba(6, 13, 22, 0.28) 38%,
      rgba(6, 13, 22, 0.86) 100%
    ),
    linear-gradient(90deg, rgba(6, 13, 22, 0.55) 0%, rgba(6, 13, 22, 0) 60%);
}

.hero__content {
  max-width: 760px;
}

.hero h1 {
  color: var(--paper);
  margin-bottom: var(--space-5);
}

/* Hero basligi: kalin, iki satir, son satirdaki nokta 40px */
.hero__title {
  font-weight: 700;
  letter-spacing: -0.04em;
}

/* Nokta gercek bir daire olarak cizilir: boyutu tam kontrol edilebilir.
   Buyutup kucultmek icin tek deger: --hero-dot-size */
.hero__title-dot {
  display: inline-block;
  width: var(--hero-dot-size, 0.42em);
  height: var(--hero-dot-size, 0.42em);
  margin-left: 0.14em;
  border-radius: 50%;
  background: currentColor;
  vertical-align: baseline;
  line-height: 0;
  overflow: hidden;
  text-indent: -100em;
}

.hero__lead {
  max-width: 560px;
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: var(--space-6);
}

.hero__eyebrow {
  color: var(--gold-light);
}

/* --------------------------------------------------------------------------
   Hero seritleri: dikey, 90 derece saat yonunun tersine, karsit yonlerde akar
   -------------------------------------------------------------------------- */

.hero {
  --ticker-w: clamp(40px, 4.4vw, 62px);
  --ticker-dur: 42s;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero__tickers {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* Biri sayfanin en solunda, digeri en saginda; zeminsiz */
.hero__ticker {
  position: absolute;
  top: 0;
  bottom: 0;
  width: var(--ticker-w);
  overflow: hidden;
}

.hero__ticker:first-child {
  left: 0;
}

.hero__ticker:last-child {
  right: 0;
}

.ticker__track {
  display: flex;
  flex-direction: column;
  /* Yazi serit icinde ortalanir: iki serit de kenardan ayni uzaklikta durur.
     (Dikey yazma yonunde varsayilan hizalama sol seridi kenara yapistiriyordu.) */
  align-items: center;
  will-change: transform;
}

.ticker__track--down {
  animation: ticker-down var(--ticker-dur) linear infinite;
}

.ticker__track--up {
  animation: ticker-up var(--ticker-dur) linear infinite;
}

.ticker__text {
  display: block;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  white-space: nowrap;
  text-align: center;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.42em;
  color: rgba(255, 255, 255, 0.88);
  /* Zemin olmadigi icin videonun aydinlik yerlerinde de okunur kalsin */
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.8), 0 0 26px rgba(0, 0, 0, 0.55);
}

.ticker__sep {
  margin-inline: 0.75em;
  opacity: 0.45;
  font-size: 0.6em;
}

@keyframes ticker-down {
  from { transform: translateY(-50%); }
  to { transform: translateY(0); }
}

@keyframes ticker-up {
  from { transform: translateY(0); }
  to { transform: translateY(-50%); }
}

.hero__scroll {
  position: absolute;
  right: max(var(--space-5), calc((100% - var(--container)) / 2 + var(--space-5)));
  bottom: clamp(48px, 8vh, 96px);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.66);
}

.hero__scroll svg {
  width: 16px;
  height: 16px;
  animation: nudge 2.2s var(--ease) infinite;
}

@keyframes nudge {
  0%, 100% { transform: translateY(0); opacity: 0.7; }
  50% { transform: translateY(5px); opacity: 1; }
}

/* Ic sayfa basligi */
.page-hero {
  position: relative;
  padding-block: calc(var(--nav-h) + clamp(56px, 9vw, 112px)) clamp(56px, 9vw, 112px);
  color: var(--paper);
  overflow: hidden;
  isolation: isolate;
}

.page-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(140deg, #12263F 0%, #0A1A2F 55%, #060D16 100%);
}

.page-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(6, 13, 22, 0.7), rgba(6, 13, 22, 0.45));
}

.page-hero h1 {
  color: var(--paper);
  max-width: 16ch;
}

.page-hero .lead {
  max-width: 620px;
  margin-top: var(--space-5);
  color: rgba(255, 255, 255, 0.75);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--space-5);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}

.breadcrumb a:hover {
  color: var(--gold-light);
}

/* --------------------------------------------------------------------------
   Istatistik seridi
   -------------------------------------------------------------------------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.section--dark .stats {
  background: var(--line-dark);
  border-color: var(--line-dark);
}

.stat {
  background: var(--paper);
  padding: clamp(24px, 3vw, 40px);
}

.section--dark .stat {
  background: var(--ink-900);
}

.stat__value {
  display: flex;
  align-items: baseline;
  gap: 2px;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ink-900);
  font-variant-numeric: tabular-nums;
}

.section--dark .stat__value {
  color: var(--paper);
}

.stat__suffix {
  color: var(--gold);
}

.stat__label {
  margin-top: var(--space-3);
  font-size: 0.86rem;
  color: var(--ink-500);
}

.section--dark .stat__label {
  color: var(--ink-300);
}

/* --------------------------------------------------------------------------
   Medya kutusu (gorsel gelmeden once desenli zemin gosterir)
   -------------------------------------------------------------------------- */

.media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, #E7EBF0 0%, #D7DEE7 100%);
}

.section--dark .media,
.media--dark {
  background: linear-gradient(140deg, #12263F 0%, #0A1A2F 100%);
}

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(10, 26, 47, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 26, 47, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 1;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}

.media.has-media::after {
  opacity: 0;
}

.media > img,
.media > video {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media--4x3 { aspect-ratio: 4 / 3; }
.media--16x9 { aspect-ratio: 16 / 9; }
.media--1x1 { aspect-ratio: 1 / 1; }
.media--3x4 { aspect-ratio: 3 / 4; }

/* --------------------------------------------------------------------------
   Kartlar
   -------------------------------------------------------------------------- */

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease),
    border-color 0.3s var(--ease);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(140deg, #12263F 0%, #0A1A2F 100%);
  overflow: hidden;
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out);
}

.card:hover .card__media img {
  transform: scale(1.04);
}

.card__tag {
  position: absolute;
  z-index: 2;
  top: var(--space-4);
  left: var(--space-4);
  padding: 6px 12px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink-800);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  flex: 1;
}

.card__title {
  font-size: 1.22rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.card__text {
  color: var(--ink-500);
  font-size: 0.96rem;
  margin: 0;
}

.card__foot {
  margin-top: auto;
  padding-top: var(--space-4);
}

/* --------------------------------------------------------------------------
   Marka kartlari: arka plan gorseli + logo + sektor adi
   Gorsel ve logo gelene kadar kart desenli koyu zeminle durur.
   -------------------------------------------------------------------------- */

/* --------------------------------------------------------------------------
   Marka kartlari: sade kurumsal izgara.
   Her kart kendi sektor degradesini tasir; aralarindaki 1px bosluk
   izgaranin zemini sayesinde ince ayrac cizgisi gibi gorunur.
   -------------------------------------------------------------------------- */
.brand-grid {
  gap: 1px;
  width: 85%;
  margin-inline: auto;
  background: rgba(255, 255, 255, 0.1);
}

#markalar .section__head {
  width: 85%;
  margin-left: 7.5%;
}

@media (max-width: 1024px) {
  .brand-grid,
  #markalar .section__head {
    width: 100%;
  }

  /* width 100%'e cikinca soldaki %7.5 pay yatay tasma yapiyordu */
  #markalar .section__head {
    margin-left: 0;
  }
}

.brand-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: clamp(22px, 2.3vw, 34px);
  border: 0;
  border-radius: 0;
  color: #FFFFFF;
  text-decoration: none;
  scroll-margin-top: calc(var(--nav-h) + 24px);
}

.brand-card__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-color: var(--kart-koyu, #0B0F14);
  /* Katmanlar usttan alta:
     1) --bg-image: markaya gercek fotograf verilirse en uste biner
     2) ince izgara (yatay + dikey)
     3) ust kenardan gelen yumusak isik
     4) sektor degradesi: --kart-acik -> --kart-koyu (data.js icindeki renk) */
  background-image: var(--bg-image, none),
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    radial-gradient(120% 80% at 50% 14%, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0) 66%),
    linear-gradient(162deg, var(--kart-acik, #3A4C60) 0%, var(--kart-acik, #3A4C60) 26%, var(--kart-koyu, #0B0F14) 92%);
  background-size: cover, 44px 44px, 44px 44px, cover, cover;
  background-position: center, center, center, center, center;
  background-repeat: no-repeat, repeat, repeat, no-repeat, no-repeat;
  transition: transform 0.9s var(--ease-out), opacity 0.55s var(--ease);
}

.brand-card--linkli:hover .brand-card__media {
  transform: scale(1.04);
}

/* Gercek tesis fotografi: normalde gizli, karta gelindiginde degradenin
   uzerinde yumusakca belirir. Yaziyi okunur tutan perde uzerine biner. */
.brand-card__foto,
.brand-card__foto-perde {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.55s var(--ease);
}

.brand-card__foto {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  transition: opacity 0.55s var(--ease), transform 1.1s var(--ease-out);
}

.brand-card__foto-perde {
  background: linear-gradient(
    180deg,
    rgba(8, 8, 12, 0.35) 0%,
    rgba(8, 8, 12, 0.58) 42%,
    rgba(8, 8, 12, 0.88) 100%
  );
}

.brand-card:hover .brand-card__foto,
.brand-card:focus-visible .brand-card__foto {
  opacity: 1;
  transform: scale(1);
}

.brand-card:hover .brand-card__foto-perde,
.brand-card:focus-visible .brand-card__foto-perde {
  opacity: 1;
}

/* Fotograf gorunurken degradenin izgarasi gorsele karismasin */
.brand-card:hover .brand-card__media {
  opacity: 0.4;
}

@media (prefers-reduced-motion: reduce) {
  .brand-card__foto {
    transform: none;
    transition: opacity 0.2s linear;
  }
}

/* Logo plakasi: renkli marka logolari koyu zeminde okunsun diye beyaz
   zemine oturur. Yukseklik sabit, boylece tum kartlarda ayni hizada. */
.brand-card__plate {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 1.4vw, 20px);
  height: clamp(46px, 4.4vw, 58px);
  /* Tek logolu kartlarda da ayni genislik: satir boyunca hizali durur */
  min-width: clamp(132px, 12.5vw, 176px);
  padding-inline: clamp(14px, 1.4vw, 20px);
  background: rgba(255, 255, 255, 0.94);
}

.brand-card__logo {
  display: block;
  width: auto;
  height: auto;
  max-height: calc(58% * var(--logo-oran, 1));
  max-width: clamp(92px, 8.6vw, 128px);
  object-fit: contain;
}

/* Iki markali kartta logolari ayiran dikey cizgi */
.brand-card__logo-sep {
  flex: none;
  width: 1px;
  height: 56%;
  background: rgba(20, 20, 26, 0.22);
}

/* Yazi blogu kartin altina yaslanir */
.brand-card__body {
  margin-top: auto;
  padding-top: clamp(24px, 3vw, 40px);
}

.brand-card__sector {
  display: block;
  margin-bottom: 9px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.58);
}

.brand-card__name {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  font-size: clamp(1.08rem, 1.35vw, 1.34rem);
  line-height: 1.22;
  color: #FFFFFF;
}

.brand-card__sep {
  font-weight: 400;
  opacity: 0.45;
}

.brand-card__text {
  margin: 11px 0 0;
  max-width: 34ch;
  font-size: 0.87rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.72);
  text-wrap: pretty;
}

/* Alt aksiyon: ince ayracin uzerinde "Detayli bilgi" ve ok */
.brand-card__more {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  margin-top: clamp(16px, 1.8vw, 24px);
  padding-top: clamp(13px, 1.3vw, 18px);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.76);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

/* Sitesi olmayan kartta satir yer tutar ama gorunmez */
.brand-card__more--bos {
  visibility: hidden;
}

.brand-card__more svg {
  flex: none;
  width: 17px;
  height: 17px;
  transition: transform 0.3s var(--ease-out);
}

.brand-card--linkli:hover .brand-card__more {
  color: #FFFFFF;
  border-top-color: rgba(255, 255, 255, 0.3);
}

.brand-card--linkli:hover /* Sitesi olmayan kartta satir yer tutar ama gorunmez */
.brand-card__more--bos {
  visibility: hidden;
}

.brand-card__more svg {
  transform: translateX(4px);
}

@media (max-width: 760px) {
  .brand-card {
    aspect-ratio: auto;
    min-height: 280px;
  }
}

/* --------------------------------------------------------------------------
   Ozet slider (kurumsal profil)
   -------------------------------------------------------------------------- */

.ozet-slider__slide {
  display: none;
}

.ozet-slider__slide .media::after {
  display: none;
}

.ozet-slider__slide .media img {
  object-fit: contain;
}


.ozet-slider__slide--tim .media img {
  padding: 24px;
}

.ozet-slider__slide.is-aktif {
  display: block;
  animation: ozetFade 0.4s var(--ease);
}

@keyframes ozetFade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.ozet-slider__caption {
  margin-top: var(--space-4, 16px);
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--ink-500);
}

.ozet-slider__dipnot {
  margin-top: var(--space-2, 8px);
  font-size: 0.82rem;
  font-style: italic;
  color: var(--ink-400);
}

.ozet-slider__nav {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: var(--space-5, 24px);
}

.ozet-slider__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--ink-600);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.ozet-slider__btn:hover {
  background: var(--paper-tint);
  border-color: var(--ink-300);
}

.ozet-slider__btn:disabled {
  opacity: 0.3;
  cursor: default;
}

.ozet-slider__btn svg {
  width: 16px;
  height: 16px;
}

.ozet-slider__sayac {
  font-size: 0.82rem;
  color: var(--ink-400);
}

/* Ikonlu kart */
.feature {
  padding: clamp(24px, 3vw, 36px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
  transition: border-color 0.3s var(--ease), transform 0.4s var(--ease-out),
    box-shadow 0.4s var(--ease);
}

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

.section--dark .feature {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line-dark);
}

.feature__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: var(--space-5);
  border-radius: var(--radius);
  background: var(--paper-tint);
  color: var(--ink-800);
}

.section--dark .feature__icon {
  background: rgba(194, 160, 92, 0.14);
  color: var(--gold-light);
}

.feature__icon svg {
  width: 22px;
  height: 22px;
}

.feature h3 {
  margin-bottom: var(--space-3);
  font-size: 1.12rem;
}

.feature p {
  color: var(--ink-500);
  font-size: 0.95rem;
}

.section--dark .feature p {
  color: var(--ink-300);
}

/* --------------------------------------------------------------------------
   Cevre duyarliligi - arkaplan serit
   -------------------------------------------------------------------------- */
.cevre-band {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  color: var(--paper);
}

.cevre-band__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-color: #08140E;
  /* Marka kartlariyla ayni dil: ince izgara + kurumsal degrade */
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    radial-gradient(110% 80% at 18% 14%, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0) 62%),
    linear-gradient(162deg, #24513A 0%, #24513A 22%, #08140E 92%);
  background-size: 52px 52px, 52px 52px, cover, cover;
  background-repeat: repeat, repeat, no-repeat, no-repeat;
}

.cevre-band__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(6, 13, 22, 0.62), rgba(6, 13, 22, 0.5));
}

.cevre-band h2 {
  color: #FFFFFF;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
}

.cevre-band .eyebrow {
  color: #a5d6a7;
}

.cevre-band .lead {
  color: rgba(255, 255, 255, 0.82);
}

/* Slider: tek makale gorunur, butonla gecilir */
.cevre-slider {
  position: relative;
  margin-top: var(--space-6, 32px);
}

.cevre-slider__track {
  overflow: hidden;
}

.cevre-slide {
  display: none;
}

.cevre-slide.is-aktif {
  display: block;
  animation: cevreFade 0.4s var(--ease);
}

@keyframes cevreFade {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.cevre-slide__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: var(--space-4, 16px);
  border-radius: var(--radius);
  background: rgba(76, 175, 80, 0.18);
  color: #a5d6a7;
  box-shadow: 0 0 0 1px rgba(76, 175, 80, 0.2) inset;
}

.cevre-slide__icon svg {
  width: 20px;
  height: 20px;
}

.cevre-slide__subtitle {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  color: #a5d6a7;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-3, 12px);
}

.cevre-slide__title {
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 600;
  color: #FFFFFF;
  line-height: 1.35;
  margin-bottom: var(--space-5, 20px);
  max-width: 52ch;
}

.cevre-slide__body p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.78);
  max-width: 72ch;
}

.cevre-slide__body p + p {
  margin-top: var(--space-4, 16px);
}

/* Navigasyon: butonlar + noktalar */
.cevre-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: var(--space-6, 32px);
}

.cevre-nav__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  background: transparent;
  color: #FFFFFF;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.cevre-nav__btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.45);
}

.cevre-nav__btn:disabled {
  opacity: 0.3;
  cursor: default;
}

.cevre-nav__btn svg {
  width: 18px;
  height: 18px;
}

.cevre-nav__dots {
  display: flex;
  gap: 8px;
}

.cevre-nav__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.25);
  cursor: pointer;
  padding: 0;
  transition: background 0.2s;
}

.cevre-nav__dot.is-aktif {
  background: #a5d6a7;
}

.cevre-nav__sayac {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
  margin-left: auto;
}

/* --------------------------------------------------------------------------
   Filtre butonlari
   -------------------------------------------------------------------------- */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.filter {
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--ink-500);
  background: var(--paper);
  transition: all 0.25s var(--ease);
}

.filter:hover {
  border-color: var(--ink-300);
  color: var(--ink-800);
}

.filter.is-active {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--paper);
}

.is-hidden {
  display: none !important;
}

/* --------------------------------------------------------------------------
   Cagri seridi
   -------------------------------------------------------------------------- */

.cta-band {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  color: var(--paper);
  padding-block: clamp(64px, 9vw, 120px);
  background: linear-gradient(120deg, #0A1A2F 0%, #060D16 100%);
}

.cta-band__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.cta-band__media img,
.cta-band__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta-band__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(6, 13, 22, 0.88), rgba(6, 13, 22, 0.5));
}

.cta-band h2 {
  color: var(--paper);
  max-width: 18ch;
}

.cta-band p {
  max-width: 52ch;
  color: rgba(255, 255, 255, 0.75);
  margin-top: var(--space-4);
}

/* --------------------------------------------------------------------------
   Formlar
   -------------------------------------------------------------------------- */

.form {
  display: grid;
  gap: var(--space-5);
}

.form__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

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

.field label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink-700);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  font-size: 0.97rem;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--ink-600);
  box-shadow: 0 0 0 3px rgba(28, 53, 82, 0.1);
}

.field textarea {
  min-height: 150px;
  resize: vertical;
}

.form__note {
  font-size: 0.82rem;
  color: var(--ink-500);
}

.form__status {
  display: none;
  padding: 14px 16px;
  border-radius: var(--radius);
  font-size: 0.92rem;
  background: rgba(194, 160, 92, 0.12);
  border: 1px solid rgba(194, 160, 92, 0.4);
  color: var(--ink-800);
}

.form__status.is-visible {
  display: block;
}

/* Dark form (iletisim sayfasi) */
.form--dark .field label {
  color: var(--ink-200);
}

.form--dark .field input,
.form--dark .field textarea,
.form--dark .field select {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.14);
  color: var(--paper);
}

.form--dark .field input::placeholder,
.form--dark .field textarea::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.form--dark .field input:focus,
.form--dark .field textarea:focus,
.form--dark .field select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(194, 160, 92, 0.15);
}

.form--dark .field select option {
  background: var(--ink-900);
  color: var(--paper);
}

/* Iletisim bilgi listesi */
.info-list {
  display: grid;
  gap: var(--space-5);
}

.info-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.info-item__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: var(--radius);
  background: var(--paper-tint);
  color: var(--ink-800);
}

.info-item__icon svg {
  width: 19px;
  height: 19px;
}

.info-item__label {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin-bottom: 2px;
}

.info-item__value {
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Zaman cizelgesi
   -------------------------------------------------------------------------- */

.timeline {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.timeline__item {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: var(--space-6);
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--line);
}

.timeline__year {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--gold-dark);
  font-variant-numeric: tabular-nums;
}

.timeline__title {
  font-size: 1.08rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.timeline__text {
  color: var(--ink-500);
  font-size: 0.96rem;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--ink-900);
  color: var(--ink-300);
  padding-block: clamp(56px, 7vw, 88px) var(--space-6);
  font-size: 0.92rem;
}

.site-footer a:hover {
  color: var(--paper);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr));
  gap: var(--space-7);
  padding-bottom: var(--space-7);
  border-bottom: 1px solid var(--line-dark);
}

.footer__brand .brand {
  color: var(--paper);
  margin-bottom: var(--space-4);
}

.footer__desc {
  max-width: 34ch;
  color: var(--ink-300);
}

.footer__title {
  margin-bottom: var(--space-4);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper);
}

.footer__list {
  display: grid;
  gap: 10px;
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-6);
  font-size: 0.84rem;
  color: var(--ink-500);
}

.social {
  display: flex;
  gap: var(--space-3);
}

.social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  color: var(--ink-200);
  transition: all 0.25s var(--ease);
}

.social a:hover {
  background: var(--paper);
  color: var(--ink-900);
  border-color: var(--paper);
}

.social svg {
  width: 17px;
  height: 17px;
}

/* --------------------------------------------------------------------------
   Duyarli kirilimlar
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
  .nav {
    gap: var(--space-3);
  }

  .nav__list {
    display: none;
  }

  .nav .btn {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .footer__top {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1340px) {
  .hero .container {
    padding-inline: calc(var(--ticker-w) + 14px);
  }
}

@media (max-width: 760px) {
  .hero__scroll {
    display: none;
  }

  .form__row {
    grid-template-columns: minmax(0, 1fr);
  }

  .timeline__item {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-3);
  }

  .footer__top {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-6);
  }

  .mobile-nav__link {
    font-size: 1.5rem;
  }
}

/* --------------------------------------------------------------------------
   Kart icinde farkli en-boy oranlari
   -------------------------------------------------------------------------- */

.card__media.media--3x4 { aspect-ratio: 3 / 4; }
.card__media.media--16x9 { aspect-ratio: 16 / 9; }
.card__media.media--1x1 { aspect-ratio: 1 / 1; }