/* ==========================================================================
   [Klinik Adı] Ultrason Merkezi — Ana Stil Dosyası
   Mobile-first, responsive (320px - 1920px)
   ========================================================================== */

/* ---------- 1. CSS Değişkenleri (Custom Properties) ---------------------- */
:root {
  /* Renk paleti */
  --color-primary: #1B2A4A;     /* Lacivert - ana renk, header, footer */
  --color-secondary: #2E4A7A;   /* Orta mavi - butonlar, vurgular */
  --color-accent: #4A7AB5;      /* Açık mavi - hover, linkler, ikonlar */
  --color-bg: #FAF8F4;          /* Kırık beyaz - sayfa arka planı */
  --color-bg-warm: #F5F0E8;     /* Krem - alternatif section arka planı */
  --color-border: #E8E2D6;      /* Bej - border ve ayraçlar */
  --color-text: #1B2A4A;        /* Lacivert - ana metin */
  --color-text-muted: #5A6A80;  /* Gri-mavi - ikincil metin */
  --color-white: #FFFFFF;
  --color-whatsapp: #25D366;    /* WhatsApp yeşili */
  --color-whatsapp-dark: #1DA851;

  /* Tipografi */
  --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing & layout */
  --container-max: 1200px;
  --radius-card: 8px;
  --radius-btn: 4px;
  --transition: 0.2s ease;
  --shadow-sm: 0 1px 3px rgba(27, 42, 74, 0.06);
  --shadow-md: 0 4px 12px rgba(27, 42, 74, 0.08);
  --shadow-header: 0 2px 12px rgba(0, 0, 0, 0.15);

  /* Header yüksekliği (sticky offset için) */
  --header-height: 70px;
}

/* ---------- 2. Reset & Temel ---------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-secondary);
}

ul,
ol {
  list-style-position: inside;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-text);
}

h1 { font-size: clamp(1.85rem, 5vw, 2.85rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.15rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.45rem); }

p { color: var(--color-text-muted); }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---------- 3. Layout yardımcıları --------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 20px;
}

.section {
  padding-block: clamp(48px, 8vw, 88px);
}

.section--warm { background-color: var(--color-bg-warm); }
.section--bg   { background-color: var(--color-bg); }
.section--dark {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto clamp(32px, 5vw, 56px);
}

.section-header h2 { margin-bottom: 12px; }
.section-header p { font-size: 1.05rem; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.text-center { text-align: center; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 18px;
  z-index: 2000;
  border-radius: 0 0 6px 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------- 4. Butonlar --------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  font-family: inherit;
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition),
              box-shadow var(--transition);
  white-space: nowrap;
}

.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background-color: var(--color-secondary);
  color: var(--color-bg);
}
.btn--primary:hover {
  background-color: var(--color-primary);
  color: var(--color-bg);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}
.btn--secondary:hover {
  background-color: var(--color-secondary);
  color: var(--color-bg);
}

.btn--light {
  background-color: var(--color-bg);
  color: var(--color-primary);
}
.btn--light:hover { background-color: var(--color-white); color: var(--color-primary); }

.btn--whatsapp {
  background-color: var(--color-accent);
  color: var(--color-white);
}
.btn--whatsapp:hover {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
}

.btn--lg { padding: 16px 32px; font-size: 1.05rem; }

.btn svg { flex-shrink: 0; }

/* Metin link oku */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--color-secondary);
}
.link-arrow svg { transition: transform var(--transition); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- 5. Header / Navigation ---------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-primary);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-header); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  position: relative;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-white);
  font-weight: 600;
  font-size: 1.15rem;
  line-height: 1.2;
}
.nav__logo:hover { color: var(--color-white); }
.nav__logo-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background-color: var(--color-accent);
  color: #fff;
  flex-shrink: 0;
}
.nav__logo-text small {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav__link {
  display: block;
  padding: 10px 16px;
  color: var(--color-bg);
  font-weight: 500;
  font-size: 0.97rem;
  border-radius: var(--radius-btn);
  transition: background-color var(--transition), color var(--transition);
}
.nav__link:hover { color: var(--color-white); background-color: rgba(255, 255, 255, 0.08); }
.nav__link.is-active {
  color: var(--color-white);
  background-color: rgba(74, 122, 181, 0.25);
}

.nav__right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ---------- Mega menü (İşlemler / Services) ------------------------------ */
.nav__item--mega { position: static; }
.mega {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px 32px;
  padding: 22px clamp(16px, 3vw, 32px) 26px;
  background-color: var(--color-white);
  border-radius: 0 0 12px 12px;
  border-top: 3px solid var(--color-accent);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
  z-index: 50;
}
.nav__item--mega:hover > .mega,
.nav__item--mega:focus-within > .mega {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mega__col { min-width: 0; }
.mega__title {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
  padding: 4px 8px 8px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--color-border);
}
a.mega__title { transition: color var(--transition); }
a.mega__title:hover { color: var(--color-accent); }
.mega__col ul { list-style: none; display: grid; gap: 1px; }
.mega__col ul a {
  display: block;
  padding: 7px 8px;
  border-radius: 6px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  transition: background-color var(--transition), color var(--transition);
}
.mega__col ul a:hover {
  background-color: var(--color-bg-warm);
  color: var(--color-accent);
}

/* Dil değiştirici */
.lang-switch {
  display: inline-flex;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-btn);
  overflow: hidden;
}
.lang-switch a {
  padding: 6px 11px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-bg);
  background: transparent;
}
.lang-switch a.is-active {
  background-color: var(--color-accent);
  color: #fff;
}
.lang-switch a:not(.is-active):hover { background-color: rgba(255,255,255,0.1); }

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 10px;
}
.nav__toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 6. Hero ------------------------------------------------------- */
.hero {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding-block: clamp(48px, 9vw, 96px);
  overflow: hidden;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
  align-items: center;
}
/* Hero eyebrow — doktor adı, daha büyük ve belirgin */
.hero .eyebrow {
  font-size: clamp(1rem, 2.4vw, 1.35rem);
  letter-spacing: 0.06em;
  color: #fff;
  margin-bottom: 14px;
}
.hero__content h1 { color: var(--color-white); margin-bottom: 18px; }
.hero__content p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.1rem;
  max-width: 540px;
  margin-bottom: 30px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__media {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-card);
  overflow: hidden;
}

/* Görsel placeholder (img src boş olduğunda görünen arka plan) */
.media-placeholder {
  position: relative;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #2E4A7A 0%, #4A7AB5 100%);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.media-placeholder img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 2; /* gerçek görsel, arkadaki placeholder ikonunun üstünde */
}
/* src henüz eklenmemişse kırık görsel ikonunu gizle; gerçek src eklenince görünür */
.media-placeholder img:not([src]),
.media-placeholder img[src=""] {
  display: none;
}
.media-placeholder__icon {
  color: rgba(255, 255, 255, 0.55);
  z-index: 1;
}
.media-placeholder--light {
  background: linear-gradient(135deg, #F5F0E8 0%, #E8E2D6 100%);
}
.media-placeholder--light .media-placeholder__icon { color: var(--color-accent); opacity: 0.6; }

/* ---------- 7. Kartlar / Grid -------------------------------------------- */
.grid {
  display: grid;
  gap: 24px;
}
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }

/* Hizmet kartı */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 28px 26px;
  transition: transform var(--transition), box-shadow var(--transition),
              border-color var(--transition);
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}
.card__icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background-color: var(--color-bg-warm);
  color: var(--color-accent);
  margin-bottom: 18px;
}
.card h3 { margin-bottom: 10px; }
.card p { margin-bottom: 18px; font-size: 0.96rem; }
.card .link-arrow { margin-top: auto; }

/* Görselli kart (işlemler listesi) */
.card--media { padding: 0; overflow: hidden; }
.card--media .card__media { aspect-ratio: 16 / 10; }
.card--media .card__body { padding: 26px; display: flex; flex-direction: column; flex: 1; }
.card--media .card__body .btn { margin-top: auto; align-self: flex-start; }

/* Neden biz kartı (krem zemin üstü beyaz) */
.feature {
  text-align: center;
  padding: 32px 24px;
}
.feature__icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  color: var(--color-accent);
}
.feature h3 { margin-bottom: 10px; }
.feature p { font-size: 0.96rem; }

/* ---------- 8. Hakkımda özeti -------------------------------------------- */
.about-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}
.about-split__media {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-card);
  overflow: hidden;
  max-width: 420px;
  width: 100%;
}
.about-split__content h2 { margin-bottom: 8px; }
.about-split__content p { margin-bottom: 16px; }
.about-split .tag-list { margin-bottom: 26px; }

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
}
.tag-list li {
  font-size: 0.85rem;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 100px;
  background-color: var(--color-bg-warm);
  border: 1px solid var(--color-border);
  color: var(--color-secondary);
}
.section--dark .tag-list li {
  background-color: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
  color: #fff;
}

/* ---------- 9. İletişim CTA ---------------------------------------------- */
.cta-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 48px);
  align-items: center;
}
.cta-info h2 { color: #fff; margin-bottom: 22px; }
.contact-list { list-style: none; display: grid; gap: 16px; }
.contact-list li { display: flex; align-items: flex-start; gap: 14px; }
.contact-list .ci-icon {
  flex-shrink: 0;
  color: var(--color-accent);
  margin-top: 2px;
}
.contact-list .ci-label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: 2px;
}
.contact-list .ci-value { color: var(--color-text); }
.contact-list a.ci-value:hover { color: var(--color-secondary); }
/* Lacivert (dark) bölümde değerler beyaz olsun */
.section--dark .contact-list .ci-value { color: rgba(255,255,255,0.92); }
.section--dark .contact-list a.ci-value:hover { color: #fff; }

.cta-box {
  background-color: var(--color-white);
  color: var(--color-text);
  border-radius: var(--radius-card);
  padding: clamp(28px, 4vw, 40px);
  text-align: center;
}
.cta-box h3 { margin-bottom: 10px; }
.cta-box p { margin-bottom: 24px; }

/* ---------- 10. Footer ---------------------------------------------------- */
.site-footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.78);
  padding-top: clamp(48px, 7vw, 72px);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding-bottom: 40px;
}
.footer__col h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 18px;
}
.footer__brand .nav__logo { margin-bottom: 16px; }
.footer__brand p { color: rgba(255,255,255,0.65); font-size: 0.93rem; max-width: 320px; }
.footer__links { list-style: none; display: grid; gap: 10px; }
.footer__links a { color: rgba(255,255,255,0.78); font-size: 0.95rem; }
.footer__links a:hover { color: #fff; }
.footer__contact { list-style: none; display: grid; gap: 12px; font-size: 0.93rem; }
.footer__contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer__contact svg { color: var(--color-accent); flex-shrink: 0; margin-top: 3px; }
.footer__contact a { color: rgba(255,255,255,0.78); }
.footer__contact a:hover { color: #fff; }

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-block: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
  text-align: center;
  font-size: 0.86rem;
  color: rgba(255,255,255,0.6);
}

/* ---------- 11. Yüzen WhatsApp butonu ------------------------------------ */
.wa-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 0;
  height: 58px;
  padding: 0;
  background-color: var(--color-whatsapp);
  color: #fff;
  border-radius: 100px;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  overflow: hidden;
  transition: background-color var(--transition), box-shadow var(--transition);
}
.wa-float:hover { background-color: var(--color-whatsapp-dark); color: #fff; }
.wa-float__icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  flex-shrink: 0;
}
.wa-float__label {
  max-width: 0;
  white-space: nowrap;
  font-weight: 600;
  font-size: 0.95rem;
  overflow: hidden;
  transition: max-width 0.3s ease, padding 0.3s ease;
  padding-right: 0;
}
.wa-float:hover .wa-float__label,
.wa-float:focus-visible .wa-float__label {
  max-width: 240px;
  padding-right: 22px;
}

/* ---------- 12. Sayfa başlığı (alt sayfalar) ----------------------------- */
.page-hero {
  background-color: var(--color-primary);
  color: #fff;
  padding-block: clamp(40px, 6vw, 64px);
}
.page-hero h1 { color: #fff; margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,0.82); max-width: 640px; font-size: 1.08rem; }

/* Breadcrumb */
.breadcrumb {
  padding-block: 16px;
  background-color: var(--color-bg-warm);
  border-bottom: 1px solid var(--color-border);
}
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  font-size: 0.88rem;
}
.breadcrumb li { display: flex; align-items: center; gap: 8px; color: var(--color-text-muted); }
.breadcrumb li:not(:last-child)::after { content: "›"; color: var(--color-border); }
.breadcrumb a { color: var(--color-secondary); }
.breadcrumb [aria-current="page"] { color: var(--color-text-muted); }

/* ---------- 13. İşlem detay layout --------------------------------------- */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 4vw, 48px);
  align-items: start;
}
.detail-main > * + * { margin-top: 32px; }
.detail-main h2 { margin-bottom: 14px; }
.detail-main h3 { margin-bottom: 10px; }
.detail-media {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-card);
  overflow: hidden;
}
.detail-block p { margin-bottom: 12px; }

/* İçerik görselleri (detay sayfaları) — akış içine yerleşen klinik fotoğraflar.
   Doğal en-boy oranı korunur (kırpma yok); tek görsel tam genişlik, çoklu görsel
   responsive ızgara halinde. Dikey görseller için --portrait ile daraltılır. */
.detail-figure { margin: 0; }
.detail-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-warm);
}
.detail-figure figcaption {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
}
.detail-figure--portrait {
  max-width: 340px;
  margin-inline: auto;
}
.detail-figure--left {
  max-width: 340px;
  margin-inline: 0;
}
.detail-figure-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  align-items: start;
}
.detail-figure-grid .detail-figure { margin: 0; }

/* Word/doküman kaynaklı madde listeleri (detay sayfaları) */
.detail-block h3 { margin-bottom: 10px; }
.detail-block h3 + p, .detail-block h3 + ul { margin-top: 0; }
.doc-list {
  list-style: disc;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  margin: 4px 0 4px;
}
.doc-list li { color: var(--color-text-muted); padding-left: 4px; }

.check-list { list-style: none; display: grid; gap: 12px; }
.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--color-text);
}
.check-list svg { color: var(--color-accent); flex-shrink: 0; margin-top: 3px; }

.step-list { list-style: none; counter-reset: step; display: grid; gap: 16px; }
.step-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.step-list li::before {
  counter-increment: step;
  content: counter(step);
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background-color: var(--color-secondary);
  color: #fff;
  font-weight: 600;
  font-size: 0.92rem;
}
.step-list li strong { display: block; color: var(--color-text); }

/* Accordion (SSS) */
.accordion { border-top: 1px solid var(--color-border); }
.accordion__item { border-bottom: 1px solid var(--color-border); }
.accordion__trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 4px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
}
.accordion__trigger:hover { color: var(--color-secondary); }
.accordion__icon {
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--color-accent);
}
.accordion__trigger[aria-expanded="true"] .accordion__icon { transform: rotate(45deg); }
.accordion__panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease;
}
.accordion__panel-inner { padding: 0 4px 22px; }
.accordion__panel-inner p { margin: 0; }

/* Yan panel */
.sidebar-card {
  background-color: var(--color-bg-warm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 28px 26px;
  position: sticky;
  top: calc(var(--header-height) + 20px);
}
.sidebar-card h3 { margin-bottom: 6px; }
.sidebar-card > p { font-size: 0.94rem; margin-bottom: 20px; }
.sidebar-card .contact-list { margin-bottom: 22px; }
.sidebar-card .contact-list .ci-label { color: var(--color-accent); }
.sidebar-card .contact-list .ci-value { color: var(--color-text); }
.sidebar-card .contact-list .ci-icon { color: var(--color-secondary); }
.sidebar-card .btn { width: 100%; }

/* ---------- 14. Hakkımda sayfası ----------------------------------------- */
.about-page__intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}
.about-page__media {
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-card);
  overflow: hidden;
}
.info-block + .info-block { margin-top: 32px; }
.info-block h2 { margin-bottom: 14px; }

.timeline { list-style: none; display: grid; gap: 20px; }
.timeline li {
  position: relative;
  padding-left: 24px;
  border-left: 2px solid var(--color-border);
  padding-bottom: 4px;
}
.timeline li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-accent);
}
.timeline strong { display: block; color: var(--color-text); }
.timeline span { font-size: 0.85rem; color: var(--color-text-muted); }

/* ---------- 15. İletişim sayfası ----------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 40px);
}
.contact-map {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--color-border);
  min-height: 340px;
}
.contact-map iframe { width: 100%; height: 100%; min-height: 340px; border: 0; display: block; }

.hours-table { width: 100%; border-collapse: collapse; margin-top: 8px; }
.hours-table th,
.hours-table td {
  text-align: left;
  padding: 12px 4px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.96rem;
}
.hours-table th { font-weight: 500; color: var(--color-text); }
.hours-table td { color: var(--color-text-muted); text-align: right; }
.hours-table tr:last-child th,
.hours-table tr:last-child td { border-bottom: none; }
.hours-table .is-closed { color: #b04a4a; }

.info-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: clamp(24px, 3vw, 34px);
}
.info-card + .info-card { margin-top: 24px; }
.info-card h2, .info-card h3 { margin-bottom: 16px; }

/* ---------- 16. Yardımcı ------------------------------------------------- */
.prose > * + * { margin-top: 16px; }
.prose ul, .prose ol { padding-left: 4px; }
.prose li { color: var(--color-text-muted); margin-bottom: 6px; }
.mt-0 { margin-top: 0 !important; }
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

/* ==========================================================================
   17. RESPONSIVE — Mobile-first breakpoint'ler
   ========================================================================== */

/* --- ≥ 600px: küçük tabletler / büyük telefonlar --- */
@media (min-width: 600px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .hero__actions { flex-wrap: nowrap; }
  .footer__bottom { flex-direction: row; justify-content: space-between; }
}

/* --- ≥ 768px: tabletler --- */
@media (min-width: 768px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .about-split { grid-template-columns: 0.85fr 1.15fr; }
  .about-split__media { max-width: none; }
  .cta-split { grid-template-columns: 1.1fr 0.9fr; }
  .contact-grid { grid-template-columns: 1.2fr 1fr; }
  .about-page__intro { grid-template-columns: 0.8fr 1.2fr; }
  .footer__grid { grid-template-columns: 1.5fr 1fr 1.3fr; }
}

/* --- ≥ 960px: küçük masaüstü --- */
@media (min-width: 960px) {
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .hero__inner { grid-template-columns: 1.05fr 0.95fr; }
  .detail-layout { grid-template-columns: 1.6fr 0.9fr; }
}

/* ==========================================================================
   18. MOBİL NAVIGASYON — hamburger menü (≤ 959px)
   ========================================================================== */
@media (max-width: 959px) {
  .nav__toggle { display: flex; }

  .nav__menu-wrap {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-primary);
    border-top: 1px solid rgba(255,255,255,0.1);
    box-shadow: var(--shadow-header);
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.25s ease, opacity 0.25s ease, visibility 0.25s ease;
  }
  .nav__menu-wrap.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav__menu {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 16px 20px;
  }
  .nav__link { padding: 14px 16px; font-size: 1.05rem; }
  .nav__menu-wrap .nav__right {
    flex-direction: row;
    justify-content: space-between;
    padding: 8px 20px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  /* Masaüstü konumundaki dil değiştiriciyi mobilde gizle, menü içine al */
  .nav > .nav__right { display: none; }

  /* Mega menü mobilde: açılır panel yerine statik, girintili liste.
     visibility: inherit — kapalı menüde görünmez VE tıklanamaz kalır (yoksa
     görünmez panel sayfanın üstünü kaplayıp yanlış linkleri tetikliyordu). */
  .mega {
    position: static;
    display: block;
    opacity: 1;
    visibility: inherit;
    transform: none;
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
    padding: 2px 0 6px 12px;
    z-index: auto;
  }
  .mega__col { margin-bottom: 4px; }
  .mega__title {
    color: var(--color-bg);
    border-bottom-color: rgba(255, 255, 255, 0.12);
    padding: 10px 8px 6px;
  }
  a.mega__title:hover { color: #fff; }
  .mega__col ul a {
    color: rgba(255, 255, 255, 0.75);
    padding: 9px 8px;
    font-size: 0.98rem;
  }
  .mega__col ul a:hover { background-color: rgba(255, 255, 255, 0.08); color: #fff; }
}

/* Masaüstünde menü-wrap düz akış */
@media (min-width: 960px) {
  .nav__menu-wrap {
    display: flex !important;
    align-items: center;
    gap: 28px;
  }
  .nav__menu-wrap .nav__right { display: none; }
}

/* ---------- 19. Hareket azaltma tercihi ---------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}