/* ==========================================================================
   koraycokol.com — Koray Çokol / Sınıf Öğretmeni
   Saf CSS3. Framework yok, dış bağımlılık yok.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tasarım değişkenleri
   -------------------------------------------------------------------------- */
:root {
  /* Renkler */
  --petrol-900: #0d2b38;
  --petrol-800: #123a4c;
  --petrol-700: #17495f;
  --petrol-600: #1f5f79;
  --petrol-100: #e3eef3;

  /* gunes-700: açık zeminde METİN için (kontrast 4.9:1 — WCAG AA)
     gunes-500 ve üstü yalnızca zemin/çizgi/ikon gibi dekoratif kullanımlar
     ya da koyu zemin üzerindeki metinler içindir. */
  --gunes-700: #a35a06;
  --gunes-500: #e88b18;
  --gunes-400: #f4a83c;
  --gunes-300: #ffc86b;
  --gunes-100: #fdefd8;

  --zemin: #fbf8f3;
  --zemin-alt: #f4efe6;
  --yuzey: #ffffff;

  --murekkep: #1c272e;
  --murekkep-soft: #4f5f6a;
  --cizgi: #e2dcd1;

  /* Boşluklar */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4rem;
  --sp-9: 5.5rem;

  /* Biçim */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-full: 999px;

  --golge-1: 0 1px 2px rgba(13, 43, 56, 0.06), 0 2px 8px rgba(13, 43, 56, 0.05);
  --golge-2: 0 4px 10px rgba(13, 43, 56, 0.07), 0 12px 28px rgba(13, 43, 56, 0.08);
  --golge-3: 0 18px 46px rgba(13, 43, 56, 0.18);

  --genislik: 1120px;
  --gecis: 180ms ease;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    "Noto Sans", Arial, "Liberation Sans", sans-serif;
}

/* --------------------------------------------------------------------------
   2. Temel
   -------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--murekkep);
  background: var(--zemin);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  margin: 0 0 var(--sp-4);
  line-height: 1.22;
  color: var(--petrol-900);
  font-weight: 700;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h1 { font-size: clamp(1.9rem, 5.2vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.6vw, 2.1rem); }
h3 { font-size: clamp(1.1rem, 2.4vw, 1.3rem); }
h4 { font-size: 1.02rem; }

p { margin: 0 0 var(--sp-4); }
p:last-child { margin-bottom: 0; }

a {
  color: var(--petrol-700);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { color: var(--gunes-700); }

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

ul, ol { margin: 0 0 var(--sp-4); padding-left: 1.35rem; }
li { margin-bottom: var(--sp-2); }
li:last-child { margin-bottom: 0; }

strong { color: var(--petrol-900); }

/* Odak halkası: açık zeminde koyu, koyu zeminde açık — her ikisi de 3:1 üstü */
:focus-visible {
  outline: 3px solid var(--petrol-800);
  outline-offset: 3px;
  border-radius: 4px;
}
.hero :focus-visible,
.sayfa-basi :focus-visible,
.cta :focus-visible,
.bolum--koyu :focus-visible,
.site-footer :focus-visible,
.lightbox :focus-visible { outline-color: var(--gunes-300); }

/* --------------------------------------------------------------------------
   3. Yerleşim yardımcıları
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--genislik);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}

.bolum { padding-block: var(--sp-7); }
.bolum--dar { padding-block: var(--sp-6); }
.bolum--alt { background: var(--zemin-alt); }
.bolum--koyu { background: var(--petrol-900); color: #eaf2f5; }
.bolum--koyu h2,
.bolum--koyu h3 { color: #ffffff; }

.bolum-basi {
  max-width: 62ch;
  margin-bottom: var(--sp-6);
}

.etiket {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--gunes-700);
  margin-bottom: var(--sp-2);
}
.bolum--koyu .etiket { color: var(--gunes-300); }

.giris {
  font-size: 1.1rem;
  color: var(--murekkep-soft);
}
.bolum--koyu .giris { color: #cfe0e7; }

.skip-link {
  position: absolute;
  left: var(--sp-4);
  top: -100px;
  z-index: 200;
  background: var(--gunes-400);
  color: var(--petrol-900);
  font-weight: 700;
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--r-sm);
  text-decoration: none;
  transition: top var(--gecis);
}
.skip-link:focus { top: var(--sp-4); color: var(--petrol-900); }

/* --------------------------------------------------------------------------
   4. Butonlar
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.8rem 1.5rem;
  border: 2px solid transparent;
  border-radius: var(--r-full);
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--gecis), color var(--gecis),
    transform var(--gecis), border-color var(--gecis);
}
.btn:hover { transform: translateY(-1px); }

.btn--birincil {
  background: var(--gunes-400);
  color: var(--petrol-900);
}
.btn--birincil:hover { background: var(--gunes-300); color: var(--petrol-900); }

.btn--ikincil {
  background: transparent;
  border-color: var(--petrol-700);
  color: var(--petrol-800);
}
.btn--ikincil:hover { background: var(--petrol-700); color: #fff; }

.btn--acik {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}
.btn--acik:hover { background: #fff; color: var(--petrol-900); }

.btn-grup {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

/* --------------------------------------------------------------------------
   5. Başlık / gezinme
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(251, 248, 243, 0.96);
  border-bottom: 1px solid var(--cizgi);
  backdrop-filter: saturate(150%) blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  min-height: 68px;
}

.marka {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
  color: var(--petrol-900);
}
.marka-isaret {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  display: grid;
  place-items: center;
  border-radius: var(--r-md);
  background: var(--petrol-800);
  color: var(--gunes-300);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}
.marka-yazi { display: flex; flex-direction: column; line-height: 1.15; }
.marka-yazi strong { font-size: 1.02rem; }
.marka-yazi small {
  font-size: 0.76rem;
  color: var(--murekkep-soft);
  letter-spacing: 0.04em;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 46px;
  height: 42px;
  padding: 0 10px;
  background: transparent;
  border: 1px solid var(--cizgi);
  border-radius: var(--r-sm);
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--petrol-800);
  border-radius: 2px;
  transition: transform var(--gecis), opacity var(--gecis);
}
.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); }

.site-nav {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: var(--yuzey);
  border-bottom: 1px solid var(--cizgi);
  box-shadow: var(--golge-2);
}
.site-nav.acik { display: block; }

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: var(--sp-3) var(--sp-5) var(--sp-5);
}
.site-nav li { margin: 0; }
.site-nav a {
  display: block;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--cizgi);
  font-weight: 600;
  text-decoration: none;
  color: var(--petrol-800);
}
.site-nav li:last-child a { border-bottom: 0; }
.site-nav a[aria-current="page"] { color: var(--gunes-700); }

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */
.hero {
  background:
    radial-gradient(1100px 480px at 82% -8%, rgba(31, 95, 121, 0.22), transparent 62%),
    linear-gradient(180deg, var(--petrol-900) 0%, var(--petrol-800) 100%);
  color: #e8f1f5;
  padding-block: var(--sp-7) var(--sp-8);
}
.hero h1 { color: #fff; }
.hero p { color: #cbdde5; }

.hero-grid { display: grid; gap: var(--sp-6); }

.hero-metin .rozet {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--gunes-300);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.9rem;
  border-radius: var(--r-full);
  margin-bottom: var(--sp-4);
}
.hero-metin .giris { font-size: 1.12rem; color: #cbdde5; }

.hero-foto {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--golge-3);
  background: var(--petrol-700);
}
.hero-foto img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.hero-foto figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--sp-5) var(--sp-4) var(--sp-3);
  font-size: 0.85rem;
  color: #eef5f8;
  background: linear-gradient(180deg, transparent, rgba(13, 43, 56, 0.88));
}

.hero-istatistik {
  display: grid;
  /* auto-fit: mobilde 2, geniş ekranda 4 sütun */
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: var(--sp-4) var(--sp-3);
  margin-top: var(--sp-6);
  padding-top: var(--sp-5);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}
.hero-istatistik div { text-align: left; }
.hero-istatistik b {
  display: block;
  font-size: 1.35rem;
  color: var(--gunes-300);
}
.hero-istatistik span {
  font-size: 0.82rem;
  color: #b7cdd7;
  line-height: 1.35;
  display: block;
}

/* Sayfa başlığı (iç sayfalar) */
.sayfa-basi {
  background: linear-gradient(180deg, var(--petrol-900), var(--petrol-700));
  color: #e8f1f5;
  padding-block: var(--sp-7);
}
.sayfa-basi h1 { color: #fff; margin-bottom: var(--sp-3); }
.sayfa-basi p { color: #c8dce4; max-width: 65ch; margin: 0; }

/* --------------------------------------------------------------------------
   7. Kartlar / ızgaralar
   -------------------------------------------------------------------------- */
.izgara { display: grid; gap: var(--sp-4); }

.kart {
  background: var(--yuzey);
  border: 1px solid var(--cizgi);
  border-radius: var(--r-md);
  padding: var(--sp-5);
  box-shadow: var(--golge-1);
  transition: transform var(--gecis), box-shadow var(--gecis);
}
.kart h3 { margin-bottom: var(--sp-2); }
.kart p { color: var(--murekkep-soft); }
.kart--baglantili:hover {
  transform: translateY(-3px);
  box-shadow: var(--golge-2);
}

.kart-ikon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: var(--r-md);
  background: var(--gunes-100);
  color: var(--petrol-800);
  margin-bottom: var(--sp-4);
}
.kart-ikon svg { width: 24px; height: 24px; }

.kart-bag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--sp-3);
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
}
.kart-bag::after { content: "→"; transition: transform var(--gecis); }
.kart-bag:hover::after { transform: translateX(3px); }

/* Numaralı adım kartları */
.adim {
  position: relative;
  background: var(--yuzey);
  border: 1px solid var(--cizgi);
  border-left: 4px solid var(--gunes-400);
  border-radius: var(--r-md);
  padding: var(--sp-5);
}
.adim b {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gunes-700);
  margin-bottom: var(--sp-2);
}

/* Metin bloğu (uzun içerik) */
.yazi {
  max-width: 68ch;
}
.yazi h2 { margin-top: var(--sp-6); }
.yazi h2:first-child { margin-top: 0; }
.yazi h3 { margin-top: var(--sp-5); }

.alinti {
  margin: var(--sp-6) 0;
  padding: var(--sp-5);
  background: var(--petrol-100);
  border-left: 5px solid var(--petrol-700);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  font-size: 1.06rem;
  color: var(--petrol-900);
}
.alinti p { margin: 0; }

/* Liste — işaretli */
.liste-tik { list-style: none; padding: 0; }
.liste-tik li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: var(--sp-3);
}
.liste-tik li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 14px;
  height: 8px;
  border-left: 2.5px solid var(--gunes-700);
  border-bottom: 2.5px solid var(--gunes-700);
  transform: rotate(-45deg);
}

/* Günlük düzen tablosu */
.dizelge {
  width: 100%;
  border-collapse: collapse;
  background: var(--yuzey);
  border: 1px solid var(--cizgi);
  border-radius: var(--r-md);
  overflow: hidden;
  font-size: 0.95rem;
}
.dizelge caption {
  caption-side: top;
  text-align: left;
  padding-bottom: var(--sp-3);
  color: var(--murekkep-soft);
  font-size: 0.92rem;
}
.dizelge th,
.dizelge td {
  padding: var(--sp-3) var(--sp-4);
  text-align: left;
  border-bottom: 1px solid var(--cizgi);
  vertical-align: top;
}
.dizelge thead th {
  background: var(--petrol-800);
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.dizelge tbody tr:last-child th,
.dizelge tbody tr:last-child td { border-bottom: 0; }
.dizelge tbody th { white-space: nowrap; color: var(--petrol-800); }
.tablo-sar { overflow-x: auto; }

/* --------------------------------------------------------------------------
   7b. Zaman çizelgesi (görev yerleri)
   Mobil: tek sütun, çizgi solda. 768px+: yıl sol sütunda, çizgi ortada.
   -------------------------------------------------------------------------- */
.zaman {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  max-width: 46rem;
}
.zaman::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: var(--cizgi);
}
.zaman > li {
  position: relative;
  margin: 0;
  padding: 0 0 var(--sp-6) 2.75rem;
}
.zaman > li:last-child { padding-bottom: 0; }
.zaman > li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--yuzey);
  border: 3px solid var(--gunes-400);
  box-shadow: 0 0 0 4px var(--zemin);
}
.zaman > li.zaman--simdi::before {
  background: var(--gunes-400);
  border-color: var(--petrol-800);
}

.zaman-yil {
  display: block;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  color: var(--gunes-700);
  margin-bottom: 2px;
}
.zaman-icerik { display: block; }
.zaman-okul {
  display: block;
  font-size: 1.06rem;
  line-height: 1.3;
  color: var(--petrol-900);
}
.zaman-yer {
  display: block;
  font-size: 0.94rem;
  color: var(--murekkep-soft);
}
.zaman-rozet {
  display: inline-block;
  margin-top: var(--sp-2);
  padding: 0.15rem 0.7rem;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--petrol-800);
  background: var(--petrol-100);
  border: 1px solid #bdd6e0;
  border-radius: var(--r-full);
}
.zaman-rozet--simdi {
  color: #5b4415;
  background: var(--gunes-100);
  border-color: #e8c98e;
}

/* --------------------------------------------------------------------------
   8. Akordiyon (SSS)
   -------------------------------------------------------------------------- */
.sss { max-width: 68ch; }
.sss-oge {
  background: var(--yuzey);
  border: 1px solid var(--cizgi);
  border-radius: var(--r-md);
  margin-bottom: var(--sp-3);
  overflow: hidden;
}
.sss-baslik { margin: 0; }
.sss-dugme {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-5);
  background: transparent;
  border: 0;
  font: inherit;
  font-weight: 700;
  color: var(--petrol-900);
  text-align: left;
  cursor: pointer;
}
.sss-dugme:hover { background: var(--zemin-alt); }
.sss-dugme .isaret {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  position: relative;
}
.sss-dugme .isaret::before,
.sss-dugme .isaret::after {
  content: "";
  position: absolute;
  background: var(--gunes-700);
  border-radius: 2px;
  transition: transform var(--gecis), opacity var(--gecis);
}
.sss-dugme .isaret::before { left: 0; top: 10px; width: 22px; height: 2.5px; }
.sss-dugme .isaret::after { left: 10px; top: 0; width: 2.5px; height: 22px; }
.sss-dugme[aria-expanded="true"] .isaret::after { transform: scaleY(0); }

.sss-govde {
  padding: 0 var(--sp-5) var(--sp-5);
  color: var(--murekkep-soft);
}
.sss-govde[hidden] { display: none; }

/* --------------------------------------------------------------------------
   9. Galeri + lightbox
   -------------------------------------------------------------------------- */
.galeri {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--sp-4);
  padding: 0;
  margin: 0;
  list-style: none;
}
.galeri li { margin: 0; }

.galeri figure {
  margin: 0;
  background: var(--yuzey);
  border: 1px solid var(--cizgi);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: transform var(--gecis), box-shadow var(--gecis);
}
.galeri figure:hover { transform: translateY(-3px); box-shadow: var(--golge-2); }

.galeri-dugme {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: var(--zemin-alt);
  cursor: zoom-in;
}
.galeri-dugme img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.galeri figcaption {
  padding: var(--sp-3) var(--sp-4);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--murekkep-soft);
  text-align: left;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
  background: rgba(9, 26, 34, 0.93);
}
.lightbox.acik { display: flex; }
.lightbox figure {
  margin: 0;
  max-width: min(1000px, 100%);
  max-height: 100%;
  text-align: center;
}
.lightbox img {
  max-width: 100%;
  max-height: 76vh;
  width: auto;
  margin-inline: auto;
  border-radius: var(--r-md);
  background: #0d2b38;
}
.lightbox figcaption {
  color: #dceaf0;
  font-size: 0.92rem;
  padding-top: var(--sp-3);
}
.lightbox-dugme {
  position: absolute;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--r-full);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}
.lightbox-dugme:hover { background: rgba(255, 255, 255, 0.25); }
.lightbox-kapat { top: var(--sp-4); right: var(--sp-4); }
.lightbox-onceki { left: var(--sp-3); top: 50%; transform: translateY(-50%); }
.lightbox-sonraki { right: var(--sp-3); top: 50%; transform: translateY(-50%); }

/* --------------------------------------------------------------------------
   10. Form
   -------------------------------------------------------------------------- */
.form {
  background: var(--yuzey);
  border: 1px solid var(--cizgi);
  border-radius: var(--r-md);
  padding: var(--sp-5);
  box-shadow: var(--golge-1);
}
.form-satir { display: grid; gap: var(--sp-4); }
.alan { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--sp-4); }
.alan label { font-weight: 700; font-size: 0.94rem; color: var(--petrol-900); }
.alan .ipucu { font-size: 0.84rem; color: var(--murekkep-soft); font-weight: 400; }

.alan input,
.alan textarea {
  font: inherit;
  color: var(--murekkep);
  background: var(--zemin);
  border: 1.5px solid var(--cizgi);
  border-radius: var(--r-sm);
  padding: 0.7rem 0.85rem;
  width: 100%;
  transition: border-color var(--gecis), background var(--gecis);
}
.alan input:focus,
.alan textarea:focus { background: #fff; border-color: var(--petrol-600); }
.alan textarea { min-height: 160px; resize: vertical; }
.alan input:invalid:not(:placeholder-shown) { border-color: #b3452f; }

.form-not {
  margin-top: var(--sp-4);
  padding: var(--sp-4);
  background: var(--gunes-100);
  border-radius: var(--r-sm);
  font-size: 0.9rem;
  color: #5b4415;
}
.form-not a { color: #7a4b06; }

.zorunlu { color: #b3452f; }

/* İletişim bilgi kutuları */
.bilgi-kutu {
  background: var(--yuzey);
  border: 1px solid var(--cizgi);
  border-radius: var(--r-md);
  padding: var(--sp-5);
}
.bilgi-kutu h3 { margin-bottom: var(--sp-3); }
.bilgi-kutu p { color: var(--murekkep-soft); }
.bilgi-kutu .buyuk-bag {
  font-size: 1.05rem;
  font-weight: 700;
  word-break: break-word;
}

/* --------------------------------------------------------------------------
   11. Sosyal ikonlar
   -------------------------------------------------------------------------- */
.sosyal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  list-style: none;
  padding: 0;
  margin: 0;
}
.sosyal li { margin: 0; }
.sosyal a {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--r-full);
  border: 1px solid var(--cizgi);
  background: var(--yuzey);
  color: var(--petrol-800);
  transition: background var(--gecis), color var(--gecis), transform var(--gecis);
}
.sosyal a:hover {
  background: var(--petrol-800);
  color: #fff;
  transform: translateY(-2px);
}
.sosyal svg { width: 20px; height: 20px; fill: currentColor; }

.site-footer .sosyal a {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: #e5f0f4;
}
.site-footer .sosyal a:hover { background: var(--gunes-400); color: var(--petrol-900); }

/* --------------------------------------------------------------------------
   12. CTA şeridi
   -------------------------------------------------------------------------- */
.cta {
  background: linear-gradient(135deg, var(--petrol-800), var(--petrol-600));
  color: #eaf3f6;
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  text-align: left;
}
.cta h2 { color: #fff; }
.cta p { color: #cfe2e9; max-width: 58ch; }

/* --------------------------------------------------------------------------
   13. Alt bilgi
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--petrol-900);
  color: #c4d7df;
  padding-block: var(--sp-7) var(--sp-5);
  margin-top: var(--sp-8);
}
.site-footer h2,
.site-footer h3 { color: #fff; font-size: 1rem; margin-bottom: var(--sp-3); }
.site-footer a { color: #d9e8ee; text-decoration: none; }
.site-footer a:hover { color: var(--gunes-300); text-decoration: underline; }

.footer-izgara { display: grid; gap: var(--sp-6); }
.footer-hakkinda p { color: #a9c2cd; font-size: 0.94rem; max-width: 42ch; }
.footer-linkler ul { list-style: none; padding: 0; margin: 0; }
.footer-linkler li { margin-bottom: var(--sp-2); }

.footer-alt {
  margin-top: var(--sp-6);
  padding-top: var(--sp-4);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  justify-content: space-between;
  font-size: 0.86rem;
  color: #93b0bd;
}

/* --------------------------------------------------------------------------
   14. Kırılım noktaları
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
  .bolum { padding-block: var(--sp-8); }
  .container { padding-inline: var(--sp-6); }

  .izgara--2 { grid-template-columns: repeat(2, 1fr); }
  .izgara--3 { grid-template-columns: repeat(2, 1fr); }
  .izgara--4 { grid-template-columns: repeat(2, 1fr); }
  .form-satir--2 { grid-template-columns: repeat(2, 1fr); gap: var(--sp-4); }
  .form-satir--2 .alan { margin-bottom: 0; }

  .hero-grid { grid-template-columns: 1.05fr 0.95fr; align-items: center; }
  .hero { padding-block: var(--sp-8) var(--sp-9); }

  .footer-izgara { grid-template-columns: 1.4fr 1fr 1fr; }

  .cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-6);
    padding: var(--sp-7);
  }
  .cta > div { flex: 1 1 auto; }

  .iletisim-duzen { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: var(--sp-6); align-items: start; }
  .yan-yana { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-6); align-items: center; }

  /* Zaman çizelgesi: yıl sol sütuna, çizgi araya */
  .zaman::before { left: calc(7.25rem - 1px); }
  .zaman > li {
    display: grid;
    grid-template-columns: 6.5rem 1fr;
    column-gap: var(--sp-5);
    padding-left: 0;
  }
  .zaman > li::before { left: calc(7.25rem - 8px); }
  .zaman-yil { text-align: right; padding-top: 3px; margin-bottom: 0; }
}

@media (min-width: 1024px) {
  .izgara--3 { grid-template-columns: repeat(3, 1fr); }
  .izgara--4 { grid-template-columns: repeat(4, 1fr); }
  .izgara { gap: var(--sp-5); }

  .nav-toggle { display: none; }

  .site-nav {
    display: block;
    position: static;
    background: transparent;
    border: 0;
    box-shadow: none;
  }
  .site-nav ul { display: flex; gap: var(--sp-2); padding: 0; }
  .site-nav a {
    padding: 0.5rem 0.85rem;
    border: 0;
    border-radius: var(--r-full);
    font-size: 0.95rem;
  }
  .site-nav a:hover { background: var(--petrol-100); color: var(--petrol-900); }
  .site-nav a[aria-current="page"] {
    background: var(--petrol-800);
    color: #fff;
  }

  .yazi { font-size: 1.05rem; }
}

/* --------------------------------------------------------------------------
   15. Hareket tercihi / yazdırma
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .btn:hover, .kart--baglantili:hover, .galeri-dugme:hover { transform: none; }
}

@media print {
  .site-header, .site-footer, .nav-toggle, .lightbox, .cta { display: none !important; }
  body { background: #fff; color: #000; }
}