/* ==========================================================================
   zaferyilmaz.org — style.css
   Sıra: fontlar → token'lar → reset → layout → bileşenler → bölümler
         → alt sayfalar → utilities → kırılımlar → hareket
   Kurallar: BEM, mobile-first, logical properties, !important yok.
   ========================================================================== */

/* ---------- Fontlar (self-host, SIL OFL — /assets/fonts/OFL-*.txt) ----------
   Latin + Türkçe karakterler tek dosyada (latin + latin-ext birleştirildi). */
@font-face {
  font-family: "Instrument Serif";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/instrument-serif-400.woff2") format("woff2");
}
@font-face {
  font-family: "Instrument Serif";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/instrument-serif-400-italic.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/inter-400.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 500 600;
  font-display: swap;
  src: url("../fonts/inter-500.woff2") format("woff2");
}

/* Yedek font metrikleri: font yüklenene kadar Georgia/Arial aynı genişlik ve
   yükseklikte görünür → yazı tipi değişince düzen kaymaz (CLS ≈ 0). */
@font-face {
  font-family: "Instrument Serif Fallback";
  font-style: normal;
  src: local("Georgia"), local("Times New Roman");
  size-adjust: 75.65%;
  ascent-override: 130.9%;
  descent-override: 41%;
  line-gap-override: 0%;
}
@font-face {
  font-family: "Instrument Serif Fallback";
  font-style: italic;
  src: local("Georgia Italic"), local("Georgia-Italic"), local("Times New Roman Italic");
  size-adjust: 79.8%;
  ascent-override: 124.1%;
  descent-override: 38.8%;
  line-gap-override: 0%;
}
@font-face {
  font-family: "Inter Fallback";
  src: local("Arial"), local("Helvetica");
  size-adjust: 106.6%;
  ascent-override: 91%;
  descent-override: 22.5%;
  line-gap-override: 0%;
}

/* ---------- Token'lar ---------- */
:root {
  --bg: #F6F4EF;
  --bg-alt: #EFEBE3;
  --surface: #FFFFFF;
  --line: #E1DCD0;
  --ink-900: #0F1A1D;
  --ink-700: #2B3538;
  --ink-500: #5A6367;
  --brand-500: #2C7A8C;
  --brand-600: #1F5F6E;
  --brand-700: #174A56;
  --brand-100: #E2EEF0;
  --brand-300: #7CC3D1; /* yalnızca koyu zeminde / dekoratif */
  --dark: #0E1B1F;
  --on-dark-muted: #A9BCC1;
  --line-dark: rgb(255 255 255 / 0.12);

  --font-body: "Inter", "Inter Fallback", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Instrument Serif", "Instrument Serif Fallback", Georgia, "Times New Roman", serif;

  --fs-h1: clamp(2.75rem, 4.5vw + 1rem, 5rem);
  --fs-h2: clamp(2.25rem, 2.6vw + 1.25rem, 3.5rem);
  --fs-h3: clamp(1.375rem, 0.6vw + 1.2rem, 1.625rem);
  --fs-body: clamp(1rem, 0.2vw + 0.95rem, 1.0625rem);
  --fs-small: 0.875rem;

  --radius-card: 24px;
  --radius-img: 20px;
  --radius-pill: 999px;

  --container: 1200px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --section: clamp(4.5rem, 10vw, 8rem);
  --gap: clamp(1rem, 2vw, 1.5rem);
  --header-h: 4.25rem;
  --header-top: 0.75rem;
  --header-offset: calc(var(--header-h) + var(--header-top));

  --shadow: 0 1px 2px rgb(15 26 29 / 0.04), 0 18px 40px -18px rgb(15 26 29 / 0.18);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-block-size: 100vh;
  background: var(--bg);
  color: var(--ink-700);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

h1, h2, h3, h4, p, ul, ol, figure, blockquote, dl, dd {
  margin: 0;
}

ul[class],
ol[class] {
  list-style: none;
  padding: 0;
}

img,
picture,
svg,
video {
  display: block;
  max-inline-size: 100%;
}

img {
  block-size: auto;
}

a {
  color: var(--brand-600);
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
}

:focus-visible {
  outline: 3px solid var(--brand-500);
  outline-offset: 2px;
}

::selection {
  background: var(--brand-600);
  color: #FFFFFF;
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--ink-900);
  letter-spacing: -0.01em;
  line-height: 1.04;
  text-wrap: balance;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); line-height: 1.15; }

h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-900);
}

p { text-wrap: pretty; }

/* ---------- Layout ---------- */
.container {
  inline-size: 100%;
  max-inline-size: calc(var(--container) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--section) 0;
}

section[id] {
  scroll-margin-block-start: calc(var(--header-offset) + 1rem);
}

.section--dark {
  margin-block-start: var(--section);
  padding-block: var(--section);
  background: var(--dark);
  color: var(--on-dark-muted);
}

.section--dark h2,
.section--dark h3 {
  color: #FFFFFF;
}

.section--dark :focus-visible {
  outline-color: #FFFFFF;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem 2rem;
  margin-block-end: clamp(2rem, 4vw, 3rem);
}

.section-head p {
  max-inline-size: 30rem;
  color: var(--ink-500);
}

.lead {
  font-size: clamp(1.0625rem, 0.4vw + 1rem, 1.1875rem);
  color: var(--ink-500);
  max-inline-size: 36rem;
}

/* ---------- Bileşenler ---------- */
.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  inset-block-start: -10rem;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-pill);
  background: var(--ink-900);
  color: #FFFFFF;
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  inset-block-start: 1rem;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-600);
}

.kicker::before {
  content: "";
  inline-size: 2rem;
  block-size: 1px;
  background: currentColor;
}

.lang-switch {
  display: inline-grid;
  place-items: center;
  min-inline-size: 44px;
  min-block-size: 44px;
  padding-inline: 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--ink-900);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.lang-switch:hover {
  background: var(--ink-900);
  color: #FFFFFF;
}

.lang-note {
  margin-block-start: 1rem;
  color: var(--ink-500);
  font-size: var(--fs-small);
}

.kicker--light {
  color: var(--brand-300);
}

.icon {
  inline-size: 1em;
  block-size: 1em;
  flex: none;
}

/* Butonlar */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-block-size: 50px;
  padding-block: 0.5rem;
  padding-inline: 1.5rem 0.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-weight: 500;
  font-size: 0.9375rem;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.btn__icon {
  display: grid;
  place-items: center;
  inline-size: 34px;
  block-size: 34px;
  border-radius: 50%;
  font-size: 0.9375rem;
  transition: translate 0.25s var(--ease);
}

.btn:hover .btn__icon {
  translate: 3px 0;
}

.btn--primary {
  background: var(--brand-600);
  color: #FFFFFF;
}

.btn--primary .btn__icon {
  background: rgb(255 255 255 / 0.16);
}

.btn--primary:hover {
  background: var(--brand-700);
}

.btn--dark {
  background: var(--ink-900);
  color: #FFFFFF;
}

.btn--dark .btn__icon {
  background: rgb(255 255 255 / 0.14);
}

.btn--dark:hover {
  background: var(--ink-700);
}

.btn--outline {
  border-color: var(--ink-900);
  color: var(--ink-900);
}

.btn--outline .btn__icon {
  background: var(--ink-900);
  color: #FFFFFF;
}

.btn--outline:hover {
  background: var(--ink-900);
  color: #FFFFFF;
}

.btn--outline:hover .btn__icon {
  background: rgb(255 255 255 / 0.16);
}

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

.btn--light .btn__icon {
  background: var(--brand-600);
  color: #FFFFFF;
}

.btn--light:hover {
  background: var(--brand-100);
}

.btn--sm {
  min-block-size: 44px;
  padding-inline-start: 1.125rem;
  font-size: 0.875rem;
}

.btn--sm .btn__icon {
  inline-size: 30px;
  block-size: 30px;
}

.btn--block {
  inline-size: 100%;
  justify-content: space-between;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-block-size: 44px;
  color: var(--ink-900);
  font-weight: 500;
  text-decoration: none;
  border-block-end: 1px solid currentColor;
}

.text-link:hover {
  color: var(--brand-600);
}

.card {
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.checklist {
  display: grid;
  gap: 0.75rem;
}

.checklist__item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.checklist__item .icon {
  inline-size: 1.375rem;
  block-size: 1.375rem;
  padding: 0.25rem;
  margin-block-start: 0.15rem;
  border-radius: 50%;
  background: var(--brand-100);
  color: var(--brand-600);
}

.section--dark .checklist__item {
  color: #FFFFFF;
}

.section--dark .checklist__item .icon {
  background: rgb(255 255 255 / 0.1);
  color: var(--brand-300);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chips__item {
  display: inline-flex;
  align-items: center;
  min-block-size: 44px;
  padding-inline: 1.125rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--ink-700);
  font-size: var(--fs-small);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.chips__item:hover {
  border-color: var(--brand-600);
  color: var(--brand-600);
}

/* Açılır içerik */
.disclosure > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-block-size: 44px;
  cursor: pointer;
  list-style: none;
  font-weight: 500;
  color: var(--ink-900);
}

.disclosure > summary::-webkit-details-marker {
  display: none;
}

.disclosure > summary::after {
  content: "+";
  content: "+" / "";
  display: grid;
  place-items: center;
  flex: none;
  inline-size: 2rem;
  block-size: 2rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink-900);
  font-size: 1.125rem;
  line-height: 1;
  transition: rotate 0.25s var(--ease), background-color 0.2s var(--ease);
}

.disclosure[open] > summary::after {
  rotate: 45deg;
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: #FFFFFF;
}

.disclosure__body {
  display: grid;
  gap: 0.875rem;
  padding-block: 0.5rem 1.25rem;
}

/* Görseller */
.media {
  overflow: hidden;
  border-radius: var(--radius-img);
  background: var(--bg-alt);
}

.media img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
}

.media--4x5 { aspect-ratio: 4 / 5; }
.media--1x1 { aspect-ratio: 1 / 1; }
.media--4x3 { aspect-ratio: 4 / 3; }
.media--16x9 { aspect-ratio: 16 / 9; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  inset-block-start: var(--header-top);
  z-index: 50;
  margin-block-start: var(--header-top);
}

.site-header__bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-block-size: var(--header-h);
  padding-block: 0.5rem;
  padding-inline: 1.25rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgb(255 255 255 / 0.92);
}

@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
  .site-header__bar {
    background: rgb(255 255 255 / 0.72);
    -webkit-backdrop-filter: blur(18px) saturate(1.4);
    backdrop-filter: blur(18px) saturate(1.4);
  }
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  min-block-size: 44px;
  margin-inline-end: auto;
  color: var(--ink-500);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
}

.logo__mark {
  flex: none;
  inline-size: 2.75rem;
  block-size: 2rem;
}

.site-header__cta {
  white-space: nowrap;
}

@media (max-width: 419.98px) {
  .site-header__bar .logo {
    gap: 0.5rem;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
  }

  .site-header__bar {
    gap: 0.5rem;
    padding-inline-start: 1rem;
  }
}

@media (max-width: 359.98px) {
  .site-header__bar .logo span {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
}

.nav {
  display: none;
}

.nav__list {
  display: flex;
  gap: 0.125rem;
}

.nav__link {
  display: inline-flex;
  align-items: center;
  min-block-size: 44px;
  padding-inline: 0.75rem;
  border-radius: var(--radius-pill);
  color: var(--ink-700);
  font-size: 0.9063rem;
  text-decoration: none;
}

.nav__link:hover {
  color: var(--ink-900);
  background: var(--bg);
}

.site-header__cta {
  display: none;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  min-block-size: 44px;
  padding-inline: 1.125rem;
  border-radius: var(--radius-pill);
  background: var(--ink-900);
  color: #FFFFFF;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
}

/* Mobil menü: :target deseni */
.mobile-menu {
  display: none;
}

.mobile-menu:target {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: var(--header-top) var(--gutter) 2rem;
  background: var(--dark);
  color: #FFFFFF;
  overflow-y: auto;
}

body:has(.mobile-menu:target) {
  overflow: hidden;
}

.mobile-menu__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-block-size: var(--header-h);
  padding-inline-start: 1.25rem;
}

.mobile-menu__head .logo {
  color: #FFFFFF;
}

.mobile-menu__close {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-block-size: 44px;
  padding-inline: 1rem;
  border: 1px solid rgb(255 255 255 / 0.35);
  border-radius: var(--radius-pill);
  color: #FFFFFF;
  text-decoration: none;
}

.mobile-menu__list {
  display: grid;
  padding-inline: 0.25rem;
}

.mobile-menu__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-block-size: 58px;
  padding-inline: 1rem;
  border-block-end: 1px solid var(--line-dark);
  color: #FFFFFF;
  font-family: var(--font-serif);
  font-size: 2rem;
  text-decoration: none;
}

.mobile-menu .btn {
  align-self: flex-start;
  margin-inline-start: 1rem;
}

.mobile-menu :focus-visible {
  outline-color: #FFFFFF;
}

/* ---------- Hero ---------- */
.hero {
  padding-block: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.hero__grid {
  display: grid;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: center;
}

.hero__content {
  display: grid;
  gap: 1.5rem;
  justify-items: start;
}

.hero__title em {
  font-style: italic;
  color: var(--brand-600);
}

.hero__visual {
  position: relative;
  justify-self: center;
  inline-size: min(100% - 2rem, 24rem);
}

@media (min-width: 1200px) {
  .hero__visual {
    inline-size: 26rem;
  }
}

.hero__visual::before {
  content: "";
  position: absolute;
  inset: -0.875rem -0.875rem 0.875rem 0.875rem;
  border: 1px solid var(--brand-500);
  border-radius: 32px;
  opacity: 0.45;
}

.hero__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 366 / 656; /* videonun kendi oranı (≈9:16) → kırpma yok */
  border-radius: 28px;
  isolation: isolate;
  transform: translateZ(0); /* Safari: yuvarlak köşeli kutuda video kontrollerinin yanlış kırpılmasını önler */
  -webkit-mask-image: -webkit-radial-gradient(white, black);
  background: var(--dark);
  box-shadow: var(--shadow);
}

.hero__video,
.hero__still img {
  display: block;
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
}

.hero__video {
  border-radius: inherit;
}

.hero__still {
  display: none;
  block-size: 100%;
}

.hero__badge {
  position: absolute;
  inset-inline-start: -1.5rem;
  inset-block-start: 46%; /* altyazı ve oynatıcı kontrollerinin üstünde, onlarla çakışmaz */
  pointer-events: none;
  display: grid;
  gap: 0.25rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero__badge strong {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.625rem;
  line-height: 1;
  color: var(--ink-900);
}

.hero__badge span {
  font-size: 0.8125rem;
  color: var(--ink-500);
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-block-start: clamp(3rem, 7vw, 5rem);
  border-block: 1px solid var(--line);
}

.stats__item {
  display: grid;
  gap: 0.375rem;
  padding: 1.5rem 1rem 1.5rem 0;
}

.stats__item:nth-child(even) {
  padding-inline-start: 1.25rem;
  border-inline-start: 1px solid var(--line);
}

.stats__item:nth-child(-n + 2) {
  border-block-end: 1px solid var(--line);
}

.stats__value {
  font-size: clamp(1.625rem, 1.6vw + 1rem, 2.25rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--ink-900);
}

.stats__label {
  font-size: var(--fs-small);
  line-height: 1.4;
  color: var(--ink-500);
}

/* ---------- Hakkımızda ---------- */
.about__grid {
  display: grid;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.about__portrait {
  border-radius: var(--radius-card);
}

.about__content {
  display: grid;
  gap: 1.5rem;
  justify-items: start;
}

.about__content > p {
  font-size: clamp(1.0625rem, 0.4vw + 1rem, 1.1875rem);
}

.about__sign {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--ink-900);
}

.about__story {
  inline-size: 100%;
  border-block: 1px solid var(--line);
}

.about__story > summary {
  min-block-size: 64px;
}

.about__story h3 {
  margin-block-start: 0.5rem;
  font-size: 1.375rem;
}

/* ---------- Alıntı ---------- */
.quote {
  margin-block-start: var(--section);
  padding-block: clamp(4.5rem, 10vw, 7.5rem);
  background: var(--dark);
  text-align: center;
}

.quote__figure {
  display: grid;
  justify-items: center;
  gap: 1.5rem;
  margin-inline: auto;
}

.quote__text {
  color: #FFFFFF;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(2rem, 3.6vw + 1rem, 4rem);
  line-height: 1.08;
  text-wrap: pretty;
}

.quote__cite {
  color: var(--on-dark-muted);
  font-size: 0.75rem;
  font-weight: 500;
  font-style: normal;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* ---------- Kimler İçin ---------- */
.audience {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
}

.media-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--radius-img);
}

.media-card .media {
  border-radius: 0;
  transition: scale 0.6s var(--ease);
}

.media-card:hover .media {
  scale: 1.04;
}

.media-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgb(14 27 31 / 0.88) 0%, rgb(14 27 31 / 0.35) 40%, rgb(14 27 31 / 0) 65%);
}

.media-card__title {
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  z-index: 1;
  padding: clamp(1rem, 2.5vw, 1.5rem);
  color: #FFFFFF;
  font-size: clamp(1.25rem, 1vw + 1rem, 1.625rem);
}

/* ---------- Carousel (scroll-snap) ---------- */
.carousel {
  --per-view: 1.15;
  position: relative;
  padding-block: 0.25rem 1.25rem;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: inline mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--ink-900) var(--line);
}

.carousel__track {
  display: flex;
  gap: var(--gap);
  margin: 0;
}

.carousel__track > li {
  flex: 0 0 calc((100% - var(--gap) * (var(--per-view) - 1)) / var(--per-view));
  scroll-snap-align: start;
}

.carousel::-webkit-scrollbar {
  block-size: 4px;
}

.carousel::-webkit-scrollbar-track {
  background: var(--line);
}

.carousel::-webkit-scrollbar-thumb {
  background: var(--ink-900);
}

@supports selector(::scroll-button(*)) and (anchor-name: --a) {
  .carousel {
    anchor-name: --carousel;
  }

  .carousel::scroll-button(*) {
    position: fixed;
    position-anchor: --carousel;
    position-visibility: anchors-visible;
    display: grid;
    place-items: center;
    inline-size: 48px;
    block-size: 48px;
    border: 1px solid var(--ink-900);
    border-radius: 50%;
    background: transparent;
    color: var(--ink-900);
    font-size: 1.125rem;
    cursor: pointer;
  }

  .carousel::scroll-button(*):hover {
    background: var(--ink-900);
    color: #FFFFFF;
  }

  .carousel::scroll-button(*):disabled {
    opacity: 0.25;
    cursor: default;
  }

  .carousel::scroll-button(*):focus-visible {
    outline: 3px solid var(--brand-500);
    outline-offset: 2px;
  }

  .carousel::scroll-button(inline-start) {
    content: "←" / "Önceki";
    inset-block-start: calc(anchor(bottom) + 1.25rem);
    inset-inline-start: calc(anchor(right) - 108px);
  }

  .carousel::scroll-button(inline-end) {
    content: "→" / "Sonraki";
    inset-block-start: calc(anchor(bottom) + 1.25rem);
    inset-inline-start: calc(anchor(right) - 52px);
  }

  @media (max-width: 599.98px) {
    .carousel::scroll-button(*) {
      content: none;
    }
  }
}

/* ---------- Eğitimler ---------- */
.program {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  block-size: 100%;
  padding: 0.75rem 0.75rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.program:hover {
  border-color: transparent;
  box-shadow: var(--shadow);
}

.program:has(.program__link:focus-visible) {
  outline: 3px solid var(--brand-500);
  outline-offset: 2px;
}

.program .media {
  border-radius: 16px;
}

.program__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.5rem;
  padding-inline: 0.75rem;
}

.program__link {
  color: inherit;
  text-decoration: none;
}

.program__link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}

.program__summary {
  color: var(--ink-500);
  font-size: 0.9375rem;
}

.program__more {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-block-start: auto;
  padding-block-start: 0.5rem;
  color: var(--ink-900);
  font-size: 0.875rem;
  font-weight: 500;
}

.program__more .icon {
  transition: translate 0.25s var(--ease);
}

.program:hover .program__more .icon {
  translate: 4px 0;
}

.section-foot {
  display: flex;
  align-items: center;
  min-block-size: 48px;
  margin-block-start: 1.25rem;
}

/* ---------- Kurumsal (koyu bant) ---------- */
.b2b {
  display: grid;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.b2b__content {
  display: grid;
  gap: 1.5rem;
  justify-items: start;
}

.b2b__media {
  border-radius: var(--radius-card);
}

/* Son etkinlik (Kurumsal bandın içinde) */
.event {
  display: grid;
  gap: 1.25rem;
  margin-block-start: clamp(3rem, 6vw, 4.5rem);
}

.event__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  color: #FFFFFF;
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 1vw + 1rem, 1.625rem);
  line-height: 1.25;
  padding-block-start: clamp(2rem, 4vw, 2.5rem);
  border-block-start: 1px solid var(--line-dark);
}

.event__date {
  color: var(--on-dark-muted);
  font-family: var(--font-body);
  font-size: var(--fs-small);
}

.event__label {
  padding: 0.25rem 0.75rem;
  border: 1px solid rgb(255 255 255 / 0.3);
  border-radius: var(--radius-pill);
  color: var(--brand-300);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.event__refs {
  color: var(--on-dark-muted);
  font-size: var(--fs-small);
}

.event__refs strong {
  color: #FFFFFF;
  font-weight: 500;
}

.event__grid {
  display: grid;
  gap: var(--gap);
}

.event__grid .media {
  border-radius: var(--radius-img);
}

/* ---------- Videolar (tıklayınca yüklenen YouTube, JS yok) ---------- */
.videos {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem) var(--gap);
}

.video {
  display: grid;
  gap: 0.25rem;
}

.video__player {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  margin-block-end: 0.75rem;
  border-radius: var(--radius-img);
  background: var(--dark);
}

.video__poster {
  position: absolute;
  inset: 0;
  display: block;
  cursor: pointer;
  list-style: none;
}

.video__poster::-webkit-details-marker {
  display: none;
}

.video__poster .media {
  block-size: 100%;
  border-radius: 0;
  transition: scale 0.5s var(--ease);
}

.video__poster:hover .media {
  scale: 1.03;
}

.video__poster:focus-visible {
  outline-offset: -4px;
}

.video__play {
  position: absolute;
  inset: 50% auto auto 50%;
  display: grid;
  place-items: center;
  inline-size: 4.5rem;
  block-size: 4.5rem;
  border-radius: 50%;
  background: rgb(255 255 255 / 0.94);
  color: var(--ink-900);
  translate: -50% -50%;
  transition: scale 0.25s var(--ease);
}

.video__play .icon {
  inline-size: 1.5rem;
  block-size: 1.5rem;
  margin-inline-start: 0.2rem;
}

.video__poster:hover .video__play {
  scale: 1.08;
}

.video__player[open] > .video__poster {
  display: none;
}

.video__player iframe {
  position: absolute;
  inset: 0;
  inline-size: 100%;
  block-size: 100%;
  border: 0;
}

.video__title {
  color: var(--ink-900);
  font-family: var(--font-serif);
  font-size: 1.5rem;
  line-height: 1.2;
}

.video__meta {
  color: var(--ink-500);
  font-size: var(--fs-small);
}

/* ---------- SSS ---------- */
.faq-layout {
  display: grid;
  gap: 2rem clamp(2rem, 6vw, 5rem);
}

.faq-layout__head {
  display: grid;
  gap: 1rem;
  align-content: start;
  justify-items: start;
}

.faq-layout__head p {
  color: var(--ink-500);
  font-size: var(--fs-small);
}

.faq {
  border-block-start: 1px solid var(--line);
}

.faq__item {
  border-block-end: 1px solid var(--line);
}

.faq__item > summary {
  min-block-size: 72px;
  padding-block: 0.75rem;
  font-size: 1.0625rem;
  line-height: 1.4;
}

.faq__item .disclosure__body {
  color: var(--ink-500);
  max-inline-size: 42rem;
}

/* ---------- CTA ---------- */
.cta-band {
  padding-block: var(--section) 0;
}

.cta-card {
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 1.75rem;
  min-block-size: clamp(22rem, 40vw, 32rem);
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.25rem, 5vw, 4rem);
  overflow: hidden;
  border-radius: var(--radius-card);
  background: var(--brand-700);
  text-align: center;
}

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

.cta-card__media img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
}

.cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(120deg, rgb(23 74 86 / 0.95) 0%, rgb(31 95 110 / 0.86) 55%, rgb(14 27 31 / 0.9) 100%);
}

.cta-card__title {
  max-inline-size: 16ch;
  color: #FFFFFF;
}

.cta-card :focus-visible {
  outline-color: #FFFFFF;
}

/* ---------- İletişim ---------- */
.contact {
  display: grid;
  gap: var(--gap);
}

ul.contact__info {
  display: grid;
  padding-block: 0.5rem;
  padding-inline: clamp(1.5rem, 3.5vw, 2.5rem);
}

.info-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-block: 1.25rem;
}

.info-row + .info-row {
  border-block-start: 1px solid var(--line);
}

.info-row__icon {
  display: grid;
  place-items: center;
  flex: none;
  inline-size: 2.75rem;
  block-size: 2.75rem;
  border-radius: 50%;
  background: var(--brand-100);
  color: var(--brand-600);
}

.info-row__icon .icon {
  inline-size: 1.25rem;
  block-size: 1.25rem;
}

.info-row__label {
  display: block;
  font-size: 0.8125rem;
  color: var(--ink-500);
}

.info-row__value {
  display: inline-flex;
  align-items: center;
  min-block-size: 44px;
  color: var(--ink-900);
  font-size: 1.0625rem;
  font-weight: 500;
  text-decoration: none;
  overflow-wrap: anywhere;
}

a.info-row__value:hover {
  color: var(--brand-600);
}

p.info-row__value {
  display: block;
  min-block-size: 0;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-color: var(--dark);
  background: var(--dark);
  color: var(--on-dark-muted);
}

.contact-card h3 {
  color: #FFFFFF;
  font-size: clamp(1.75rem, 1.5vw + 1.25rem, 2.25rem);
}

.contact-card__actions {
  display: grid;
  gap: 0.75rem;
  margin-block-start: auto;
  padding-block-start: 1rem;
}

.contact-card__actions .btn {
  min-block-size: 56px;
}

.contact-card a:not(.btn) {
  color: #FFFFFF;
}

.contact-card :focus-visible {
  outline-color: #FFFFFF;
}

.contact-card .btn--outline {
  border-color: rgb(255 255 255 / 0.4);
  color: #FFFFFF;
}

.contact-card .btn--outline .btn__icon {
  background: rgb(255 255 255 / 0.12);
}

.contact-card .btn--outline:hover {
  background: rgb(255 255 255 / 0.08);
}

.contact-card__note {
  font-size: 0.8125rem;
}

/* ---------- Footer ---------- */
.site-footer {
  margin-block-start: var(--section);
  padding-block: clamp(3.5rem, 7vw, 5rem) 2rem;
  background: var(--dark);
  color: var(--on-dark-muted);
  font-size: 0.9375rem;
}

.site-footer a {
  color: #FFFFFF;
}

.site-footer__grid {
  display: grid;
  gap: 2.5rem;
}

.site-footer__brand {
  display: grid;
  gap: 1.25rem;
  align-content: start;
  max-inline-size: 24rem;
}

.site-footer .logo {
  flex-direction: column;
  align-items: flex-start;
  justify-self: start;
  gap: 1.25rem;
  color: #FFFFFF;
  font-size: clamp(1.25rem, 1vw + 1rem, 1.625rem);
  letter-spacing: 0.26em;
}

.site-footer .logo__mark {
  inline-size: clamp(8rem, 12vw, 10.5rem);
  block-size: auto;
  aspect-ratio: 280 / 200;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
}

.social-link:hover span:first-of-type {
  text-decoration: underline;
}

.site-footer__heading {
  margin-block-end: 0.75rem;
  color: #FFFFFF;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-footer__links {
  display: grid;
  column-gap: 1.5rem;
}

.site-footer__links--cols {
  grid-template-columns: repeat(2, minmax(0, max-content));
}

.site-footer__links a {
  display: inline-flex;
  align-items: center;
  min-block-size: 44px;
  text-decoration: none;
}

.site-footer__links a:hover {
  text-decoration: underline;
}

.site-footer .social-link {
  gap: 0.75rem;
}

.site-footer .social-link .icon {
  inline-size: 1.75rem;
  block-size: 1.75rem;
}

.site-footer__credit a {
  color: var(--on-dark-muted);
  text-underline-offset: 0.2em;
}

.site-footer__credit a:hover {
  color: #FFFFFF;
}

.site-footer__small {
  margin-block-start: 0.5rem;
  font-size: 0.8125rem;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-block-start: 3rem;
  padding-block-start: 1.5rem;
  border-block-start: 1px solid var(--line-dark);
  font-size: 0.8125rem;
}

.site-footer :focus-visible {
  outline-color: #FFFFFF;
}

.to-top {
  display: inline-flex;
  align-items: center;
  min-block-size: 44px;
  padding-inline: 1rem;
  border: 1px solid rgb(255 255 255 / 0.3);
  border-radius: var(--radius-pill);
  text-decoration: none;
}

/* ---------- Alt sayfalar ---------- */
.breadcrumb {
  padding-block: 1.5rem 0;
  font-size: var(--fs-small);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumb li + li::before {
  content: "/";
  content: "/" / "";
  margin-inline-end: 0.5rem;
  color: var(--ink-500);
}

.breadcrumb a {
  display: inline-flex;
  align-items: center;
  min-block-size: 44px;
  color: var(--ink-500);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--brand-600);
}

.breadcrumb [aria-current="page"] {
  color: var(--ink-900);
}

.page-hero {
  padding-block: 1rem clamp(2.5rem, 6vw, 4rem);
}

.page-hero__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.page-hero__content {
  display: grid;
  gap: 1.5rem;
  justify-items: start;
}

.page-hero__media {
  border-radius: var(--radius-card);
}

.program-page {
  display: grid;
  gap: var(--gap);
}

.program-page__about {
  display: grid;
  gap: 1rem;
}

.program-page__about p {
  max-inline-size: 68ch;
}

.program-page__grid {
  display: grid;
  gap: var(--gap);
}

.program-page__grid .card {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.card--soft {
  border-color: var(--brand-100);
  background: var(--brand-100);
}

.card--soft .btn {
  justify-self: start;
}

.card--dark {
  border-color: var(--dark);
  background: var(--dark);
  color: var(--on-dark-muted);
}

.card--dark h2 {
  color: #FFFFFF;
}

.card--dark .btn {
  justify-self: start;
}

.card--dark :focus-visible {
  outline-color: #FFFFFF;
}

.h3 {
  font-size: var(--fs-h3);
  line-height: 1.15;
}

.page {
  padding-block: clamp(2rem, 6vw, 4rem) 0;
}

.page__card {
  display: grid;
  gap: 1.25rem;
  justify-items: start;
  max-inline-size: 52rem;
  margin-inline: auto;
}

.page__card--center {
  justify-items: center;
  text-align: center;
}

.page__code {
  font-family: var(--font-serif);
  font-size: clamp(5rem, 14vw, 9rem);
  line-height: 1;
  color: var(--brand-600);
}

.prose {
  display: grid;
  gap: 1rem;
}

.prose h2 {
  font-size: clamp(1.5rem, 1.2vw + 1.1rem, 2rem);
  margin-block-start: 1rem;
}

.notice {
  padding: 0.875rem 1.125rem;
  border-inline-start: 3px solid var(--brand-600);
  border-radius: 10px;
  background: var(--brand-100);
  color: var(--ink-900);
  font-size: 0.9375rem;
}

/* Diğer eğitimler: solda başlık, sağda 5 + 6 */
.related {
  display: grid;
  gap: 1.5rem clamp(2rem, 5vw, 4rem);
  padding-block-start: clamp(2.5rem, 5vw, 3.5rem);
  border-block-start: 1px solid var(--line);
}

.related__head {
  display: grid;
  gap: 0.75rem;
  align-content: start;
  justify-items: start;
}

.related__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.625rem;
}

.related__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  block-size: 100%;
  min-block-size: 64px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  color: var(--ink-900);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.3;
  text-decoration: none;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.related__link .icon {
  flex: none;
  color: var(--brand-600);
  transition: translate 0.25s var(--ease), color 0.2s var(--ease);
}

.related__link:hover {
  border-color: var(--ink-900);
  background: var(--ink-900);
  color: #FFFFFF;
}

.related__link:hover .icon {
  color: #FFFFFF;
  translate: 3px 0;
}

/* ---------- Utilities ---------- */
.sr-only {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- Kırılımlar: 600 / 900 / 1100 / 1200 / 1280 ---------- */
@media (min-width: 600px) {
  .site-header__cta {
    display: inline-flex;
  }

  .related__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .event__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .carousel {
    --per-view: 1.8;
  }

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


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

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .hero__visual {
    justify-self: end;
  }

  .stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .stats__item,
  .stats__item:nth-child(even) {
    padding-inline: 1.5rem;
    border-block-end: 0;
  }

  .stats__item:nth-child(-n + 2) {
    border-block-end: 0;
  }

  .stats__item:first-child {
    padding-inline-start: 0;
  }

  .stats__item + .stats__item {
    border-inline-start: 1px solid var(--line);
  }

  .about__grid {
    grid-template-columns: 5fr 6fr;
  }

  .about__visual {
    position: sticky;
    inset-block-start: calc(var(--header-offset) + 1.5rem);
  }

  .audience {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .carousel {
    --per-view: 2.5;
  }

  .b2b {
    grid-template-columns: 1fr 1fr;
  }


  .faq-layout {
    grid-template-columns: 4fr 7fr;
  }

  .contact {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  .page-hero__grid {
    grid-template-columns: 1.2fr 1fr;
  }

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

  .site-footer__grid {
    grid-template-columns: 1.3fr 1.4fr 1fr;
  }
}

@media (min-width: 1200px) {
  .nav {
    display: block;
    margin-inline: auto;
  }

  .menu-toggle,
  .mobile-menu,
  .mobile-menu:target {
    display: none;
  }

  .logo {
    margin-inline-end: 0;
  }
}

@media (min-width: 1100px) {
  .related {
    grid-template-columns: 1fr 4.2fr;
    column-gap: 3rem;
  }

  .related__link {
    justify-content: center;
    padding-inline: 0.625rem;
    font-size: 0.875rem;
    text-align: center;
  }

  .related__link .icon {
    display: none;
  }

  /* 30 sütunlu ızgara: ilk 5 kutu 6'şar, sonraki 6 kutu 5'er sütun → üstte 5, altta 6 */
  .related__list {
    grid-template-columns: repeat(30, minmax(0, 1fr));
  }

  .related__list > li {
    grid-column: span 5;
  }

  .related__list > li:nth-child(-n + 5) {
    grid-column: span 6;
  }

}

@media (min-width: 1200px) {
  .carousel {
    --per-view: 3.2;
  }
}

@media (min-width: 1280px) {
  .carousel {
    --per-view: 3.5;
  }
}

/* ---------- Hareket ---------- */
@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    .reveal {
      animation: reveal linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 35%;
    }

    @keyframes reveal {
      from {
        opacity: 0;
        translate: 0 24px;
      }
      to {
        opacity: 1;
        translate: 0 0;
      }
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  /* Hareket istemeyenlere video yerine sabit fotoğraf */
  .hero__video {
    display: none;
  }

  .hero__still {
    display: block;
  }

  *,
  *::before,
  *::after {
    animation: none;
    transition: none;
    scroll-behavior: auto;
  }
}