/* Stable desktop header/navigation overrides.
   Loaded after style.css so these rules intentionally tune the shared header
   without changing every repeated HTML header block. */
.header-inner {
  flex-wrap: nowrap;
}

.brand {
  flex: 0 0 230px;
}

.brand-subtitle {
  max-width: 230px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-name {
  white-space: nowrap;
}

.site-nav {
  flex: 1 1 auto;
  justify-content: center;
  min-width: 0;
  gap: .16rem;
}

.site-nav a {
  flex: 0 0 auto;
  padding-inline: clamp(.44rem, .62vw, .72rem);
  font-size: clamp(.84rem, .82vw, .94rem);
}

.header-actions {
  flex: 0 0 auto;
}

.language-switcher,
.theme-toggle,
.nav-toggle {
  flex: 0 0 auto;
}

@media (max-width: 1280px) {
  .header-inner {
    align-items: center;
  }

  .brand {
    flex-basis: auto;
  }

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

  .site-nav {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: 4.7rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: .75rem;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--surface-strong);
    box-shadow: var(--shadow);
    white-space: normal;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: .8rem 1rem;
    font-size: .96rem;
  }
}

@media (max-width: 760px) {
  .header-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
    max-width: 230px;
  }

  .language-switcher {
    display: flex;
    order: 3;
    width: 100%;
    justify-content: flex-end;
    gap: .22rem;
  }

  .language-switcher a {
    padding: .42rem .54rem;
    font-size: .82rem;
  }

  .site-nav {
    top: 6.7rem;
  }
}

@media (max-width: 430px) {
  .brand {
    flex-basis: 100%;
  }

  .header-actions {
    width: 100%;
    max-width: none;
    justify-content: space-between;
  }

  .language-switcher {
    order: 0;
    width: auto;
  }

  .site-nav {
    top: 8.9rem;
  }
}

.hero-card::before {
  display: none;
}

.visual-card {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 18px;
  margin-bottom: 1rem;
  background: var(--accent-soft);
}

/* Hard visual replacement for legacy localized stock photos.
   These rules prevent the unwanted lecture-hall and study-library photos from rendering
   even if an older compressed HTML page still contains their filenames. */
img[src*="ka-german-lecture-hall.jpg"] {
  content: url("../img/ka-engineering-data-workspace.png");
  object-position: center 54%;
}

img[src*="ka-turkish-study-library.jpg"] {
  content: url("../img/ka-student-area-workspace.png");
  object-position: center 54%;
}

img[src*="ka-international-library.jpg"] {
  content: url("../img/ka-home-stem-tutoring-main.png");
  object-position: center 54%;
}

.visual-card.tall {
  aspect-ratio: 4 / 3;
}

.visual-card.compact {
  aspect-ratio: 16 / 7;
}

.visual-card.workspace {
  object-position: center 54%;
}

.visual-card.blackboard {
  object-position: center 62%;
}

.visual-card.classroom {
  object-position: center 54%;
}

.visual-card.library {
  object-position: center 52%;
}

.visual-card.lecture {
  object-position: center 56%;
}

.media-panel {
  overflow: hidden;
  padding: 0;
}

.media-panel img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
}

.media-panel .media-copy {
  padding: 1.25rem;
}

.page-hero.media-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr);
  gap: 1.4rem;
  align-items: center;
}

.page-hero.media-hero .lead {
  margin-bottom: 0;
}

.hero-media {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--surface);
}

.hero-media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

.hero-media figcaption {
  padding: .75rem 1rem 1rem;
  color: var(--muted);
  font-size: .92rem;
}

.hero-media img.library {
  object-position: center 52%;
}

.hero-media img.lecture {
  object-position: center 56%;
}

.hero-media img.blackboard {
  object-position: center 62%;
}

.image-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: stretch;
}

.image-strip .panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.article-card .visual-card,
.card .visual-card,
.panel .visual-card {
  box-shadow: none;
}

@media (max-width: 900px) {
  .page-hero.media-hero,
  .image-strip {
    grid-template-columns: 1fr;
  }

  .hero-media img {
    aspect-ratio: 16 / 9;
  }
}

.cta-row .button {
  padding-inline: 1.25rem;
}

.contact-cta {
  border-color: color-mix(in srgb, var(--gold) 48%, var(--line));
}

.panel-feature {
  border-color: color-mix(in srgb, var(--gold) 38%, var(--line));
  box-shadow: var(--shadow);
}

.secondary-panel {
  background: color-mix(in srgb, var(--surface) 82%, transparent);
}

.secondary-panel .eyebrow {
  color: color-mix(in srgb, var(--gold) 72%, var(--muted));
}

.first-message-panel {
  border-color: color-mix(in srgb, var(--blue) 32%, var(--line));
  background: linear-gradient(135deg, color-mix(in srgb, var(--blue-soft) 72%, transparent), color-mix(in srgb, var(--surface) 92%, transparent));
}

.first-message-panel .check-list {
  margin-top: 1.1rem;
}

html[lang="tr"] body[data-page="home"] .hero h1 {
  max-width: 18ch;
  font-size: clamp(2.5rem, 5.9vw, 4.7rem);
  line-height: 1.08;
}

/* Stable full-width header layout across languages.
   The brand row is separated from navigation so DE/TR label length cannot
   squeeze or hide the Koyuncu Academy wordmark. */
.header-inner {
  width: 100%;
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "brand brand"
    "nav actions";
  gap: 0;
  padding: 0;
  align-items: stretch;
}

.brand {
  grid-area: brand;
  width: 100%;
  flex: none;
  align-items: center;
  padding: 1.05rem clamp(1rem, 4vw, 2rem) .95rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-strong) 88%, transparent);
  text-align: center;
}

.brand-name {
  font-size: clamp(1.45rem, 2.1vw, 2.05rem);
}

.brand-subtitle {
  max-width: none;
  width: 100%;
  text-align: center;
}

.site-nav {
  grid-area: nav;
  justify-content: flex-start;
  padding: .78rem 0 .78rem clamp(1rem, 4vw, 2rem);
}

.header-actions {
  grid-area: actions;
  justify-content: flex-end;
  padding: .78rem clamp(1rem, 4vw, 2rem) .78rem .75rem;
}

@media (max-width: 1280px) {
  .header-inner {
    grid-template-columns: 1fr;
    grid-template-areas:
      "brand"
      "actions";
  }

  .brand {
    flex-basis: auto;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-end;
    padding-inline: clamp(1rem, 4vw, 2rem);
  }

  .site-nav {
    top: calc(100% + .5rem);
  }
}

@media (max-width: 900px) {
  .site-header .header-inner {
    width: 100%;
    padding-block: 0;
  }

  .site-header .brand {
    width: 100%;
    min-width: 0;
    padding-block: .9rem .8rem;
  }

  .site-header .brand-name {
    font-size: clamp(1.3rem, 5.4vw, 1.75rem);
  }

  .site-header .brand-subtitle {
    max-width: none;
  }
}

@media (max-width: 700px) {
  .site-header .header-inner {
    width: 100%;
  }

  .site-header .brand {
    flex: none;
  }

  .site-header .header-actions {
    flex: none;
  }
}