/* ============================================================
   assets/css/babayigit.css — Babayiğit Fizik / kurumsal tema

   v2.css'ten SONRA yüklenir. v2.css tüm renkleri var() ile
   kullandığı için :root'u ezmek siteyi baştan sona yeniden
   temalandırır — blog ve yazı sayfaları dahil.
   ============================================================ */

/* ── 1. TOKENLAR ───────────────────────────────────────────── */
:root {
    /* Kurumsal lacivert — yapı ve güven */
    --lacivert: #0e2748;
    --lacivert-2: #163862;
    --lacivert-3: #1f4a7d;

    /* Aksiyon mavisi */
    --mavi: #0b5cbf;
    --mavi-koyu: #094a9c;
    --mavi-soluk: #eaf1fb;

    /* Nötrler */
    --zemin: #f4f6f9;
    --yuzey: #ffffff;
    --cizgi: #dde3ea;
    --cizgi-acik: #eef1f5;

    --wa: #1fa855;
    --wa-koyu: #17843f;

    /* v2.css değişkenlerini ez */
    --primary: #0e2748;
    --primary-light: #163862;
    --accent: #0b5cbf;
    --accent-hover: #094a9c;
    --blue-accent: #0b5cbf;

    --bg-body: #f4f6f9;
    --bg-surface: #ffffff;
    --bg-glass: rgba(255, 255, 255, .94);

    --text-main: #0e2748;
    --text-body: #4c5a6b;
    --text-muted: #8593a4;

    --border: #dde3ea;
    --border-light: #eef1f5;

    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;

    --container: 1200px;
    --header-height: 78px;

    --shadow-sm: 0 1px 2px rgba(14, 39, 72, .05);
    --shadow-md: 0 2px 8px rgba(14, 39, 72, .07);
    --shadow-lg: 0 6px 20px rgba(14, 39, 72, .09);
    --shadow-xl: 0 14px 34px rgba(14, 39, 72, .11);

    --f-baslik: 'Manrope', system-ui, -apple-system, sans-serif;
    --f-govde: 'Inter', system-ui, -apple-system, sans-serif;
}

/* ── 2. TEMEL ──────────────────────────────────────────────── */
body {
    font-family: var(--f-govde);
    background: var(--zemin);
    color: var(--text-body);
    font-size: 16px;
    line-height: 1.68;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--f-baslik);
    font-weight: 700;
    letter-spacing: -.018em;
    line-height: 1.22;
    color: var(--lacivert);
}

h1 { font-size: clamp(2rem, 4vw, 2.9rem); letter-spacing: -.025em; }
h2 { font-size: clamp(1.5rem, 2.8vw, 2.05rem); }
h3 { font-size: 1.18rem; }

::selection { background: var(--mavi-soluk); color: var(--lacivert); }

/* Bölüm üstü künye — kurumsal, ince çizgi ile */
.goz {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    margin-bottom: .8rem;
    font-family: var(--f-govde);
    font-size: .74rem;
    font-weight: 700;
    letter-spacing: .13em;
    text-transform: uppercase;
    color: var(--mavi);
}

.goz::before {
    content: "";
    width: 22px;
    height: 2px;
    background: var(--mavi);
}

.bolum-koyu .goz { color: #7fb0ee; }
.bolum-koyu .goz::before { background: #7fb0ee; }

/* ── 3. BAŞLIK ÇUBUĞU ──────────────────────────────────────── */
header {
    background: var(--yuzey);
    border-bottom: 1px solid var(--cizgi);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.logo img { height: 44px; }

nav ul { gap: 1.75rem; }

nav a {
    font-family: var(--f-govde);
    font-weight: 500;
    font-size: .925rem;
    color: var(--text-body);
}

nav a::after { height: 2px; background: var(--mavi); }
nav a:hover, nav a.aktif { color: var(--lacivert); }
nav a.aktif { font-weight: 600; }
nav a.aktif::after { width: 100%; }

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 0;
    background: none;
    border: 1px solid var(--cizgi);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 0 auto;
    background: var(--lacivert);
    transition: transform .2s ease, opacity .2s ease;
}

.nav-toggle.acik span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.acik span:nth-child(2) { opacity: 0; }
.nav-toggle.acik span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.canli-link { color: #c0392b !important; font-weight: 600; display: inline-flex; align-items: center; }
.canli-nokta { width: 7px; height: 7px; margin-right: 6px; background: #c0392b; border-radius: 50%; animation: canliNabiz 1.6s infinite; }

@keyframes canliNabiz {
    0%   { box-shadow: 0 0 0 0 rgba(192, 57, 43, .6); }
    70%  { box-shadow: 0 0 0 6px rgba(192, 57, 43, 0); }
    100% { box-shadow: 0 0 0 0 rgba(192, 57, 43, 0); }
}

/* ── 4. BUTONLAR ───────────────────────────────────────────── */
.btn {
    font-family: var(--f-govde);
    font-weight: 600;
    font-size: .93rem;
    padding: .75rem 1.5rem;
    border-radius: var(--radius-sm);
    box-shadow: none;
    background: var(--mavi);
    border: 1px solid var(--mavi);
}

.btn:hover { background: var(--mavi-koyu); border-color: var(--mavi-koyu); transform: none; box-shadow: var(--shadow-md); }
.btn-lg { padding: .92rem 1.9rem; font-size: .98rem; }
.btn-small { padding: .48rem 1rem; font-size: .84rem; }

.btn-secondary { background: var(--yuzey); border-color: var(--cizgi); color: var(--lacivert) !important; }
.btn-secondary:hover { background: var(--yuzey); border-color: var(--lacivert); }

.btn-wa { background: var(--wa); border-color: var(--wa); color: #fff !important; display: inline-flex; align-items: center; gap: .5rem; }
.btn-wa:hover { background: var(--wa-koyu); border-color: var(--wa-koyu); }
.btn-full { width: 100%; }

.wa-float {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    color: #fff;
    background: var(--wa);
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    transition: transform .2s ease;
}

.wa-float:hover { transform: scale(1.06); }

/* ── 5. HERO ───────────────────────────────────────────────── */
.hero {
    padding: 4rem 0 3.5rem;
    background: var(--yuzey);
    border-bottom: 1px solid var(--cizgi);
}

.hero-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 4rem; align-items: center; }

.etiket {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    margin-bottom: 1.15rem;
    padding: .38rem .85rem;
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .02em;
    color: var(--mavi);
    background: var(--mavi-soluk);
    border-radius: var(--radius-full, 999px);
}

.hero-metin h1 { margin-bottom: 1.15rem; }
.hero-metin .vurgu { color: var(--mavi); }

.hero-alt { max-width: 44rem; font-size: 1.06rem; line-height: 1.75; margin-bottom: 1.85rem; }
.hero-butonlar { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 1.9rem; }

.hero-guven {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem 1.75rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--cizgi);
    list-style: none;
    font-size: .88rem;
    font-weight: 500;
    color: var(--text-body);
}

.hero-guven li { display: flex; align-items: center; gap: .45rem; }

.hero-guven li::before {
    content: "";
    flex: none;
    width: 16px;
    height: 16px;
    background: var(--mavi-soluk) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230b5cbf' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/10px no-repeat;
    border-radius: 50%;
}

/* Kurumsal portre çerçevesi */
.hero-gorsel { position: relative; }

.hero-plaka {
    position: relative;
    border: 1px solid var(--cizgi);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-plaka img { width: 100%; aspect-ratio: 1/1; object-fit: cover; object-position: center 18%; display: block; }

/* Künye çubuğu açık: fotoğrafın koyu zemini ile ton çakışması olmasın */
.hero-kunye {
    padding: .95rem 1.15rem;
    background: var(--yuzey);
    border-top: 1px solid var(--cizgi);
}

.hero-kunye b { display: block; font-family: var(--f-baslik); font-size: 1rem; font-weight: 700; letter-spacing: -.015em; color: var(--lacivert); }
.hero-kunye span { display: block; margin-top: .1rem; font-size: .8rem; color: var(--text-muted); }


/* Alıntı başlık — öğrencinin kendi cümlesi + dönüş */
.hero-alinti { margin-bottom: 1.15rem; }

.alinti {
    display: block;
    position: relative;
    font-size: clamp(1.65rem, 3.3vw, 2.45rem);
    font-weight: 600;
    line-height: 1.28;
    letter-spacing: -.022em;
    color: var(--lacivert);
}

.alinti::before,
.alinti::after { color: var(--mavi); font-weight: 700; }
.alinti::before { content: "\201C"; }
.alinti::after  { content: "\201D"; }

.alinti-cevap {
    display: block;
    margin-top: .55rem;
    padding-left: 1rem;
    border-left: 3px solid var(--mavi);
    font-size: clamp(1.1rem, 1.9vw, 1.4rem);
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -.015em;
    color: var(--mavi);
}

@media (max-width: 780px) {
    .alinti-cevap { padding-left: .8rem; }
}

/* ── 6. GÜVEN ŞERİDİ ───────────────────────────────────────── */
.serit {
    background: var(--lacivert);
    color: #fff;
    padding: 2rem 0;
}

.serit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1.5rem; }

.serit-oge { padding-left: 1.15rem; border-left: 2px solid var(--lacivert-3); }
.serit-oge strong { display: block; font-family: var(--f-baslik); font-size: 1.75rem; font-weight: 800; letter-spacing: -.03em; color: #fff; line-height: 1.1; }
.serit-oge span { display: block; margin-top: .3rem; font-size: .84rem; color: #9fb4cd; }

/* ── 7. SAYFA HERO ─────────────────────────────────────────── */
.sayfa-hero { padding: 2.75rem 0 2.5rem; background: var(--yuzey); border-bottom: 1px solid var(--cizgi); }
.sayfa-hero h1 { margin-bottom: .85rem; }
.sayfa-ozet { max-width: 47rem; font-size: 1.03rem; line-height: 1.75; }

.ekmek { margin-bottom: .95rem; font-size: .82rem; color: var(--text-muted); }
.ekmek a { color: var(--text-body); }
.ekmek a:hover { color: var(--mavi); }
.ekmek span { margin: 0 .4rem; color: var(--cizgi); }

/* ── 8. BÖLÜMLER ───────────────────────────────────────────── */
.bolum { padding: 3.75rem 0; }
.bolum-acik { background: var(--yuzey); border-top: 1px solid var(--cizgi); border-bottom: 1px solid var(--cizgi); }

.bolum-koyu { background: var(--lacivert); color: #b6c6d9; }
.bolum-koyu h2, .bolum-koyu h3 { color: #fff; }
.bolum-koyu .bolum-alt { color: #8ea3bc; }

.bolum-baslik { margin-bottom: .6rem; }
.bolum-alt { max-width: 44rem; margin-bottom: 2.4rem; color: var(--text-body); }
.bolum-ust { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; margin-bottom: 2rem; }
.container.dar { max-width: 800px; }

/* ── 9. PROGRAM KARTLARI ───────────────────────────────────── */
.ders-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.25rem; }
.ders-grid.iki { grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); }

.ders-kart {
    display: flex;
    flex-direction: column;
    padding: 1.7rem 1.6rem;
    background: var(--yuzey);
    border: 1px solid var(--cizgi);
    border-top: 3px solid var(--cizgi);
    border-radius: var(--radius-md);
    transition: border-top-color .18s ease, box-shadow .18s ease;
}

.ders-kart:hover { border-top-color: var(--mavi); box-shadow: var(--shadow-lg); }
.ders-kart h3 { font-size: 1.12rem; margin-bottom: .55rem; }
.ders-kart p { font-size: .91rem; color: var(--text-body); margin-bottom: 1rem; line-height: 1.62; flex-grow: 1; }

.kart-link { font-size: .84rem; font-weight: 600; color: var(--mavi); }

/* ── 10. SÜREÇ ADIMLARI ────────────────────────────────────── */
.adim-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(225px, 1fr)); gap: 2rem 2.25rem; }
.adim { padding-top: 1.15rem; border-top: 2px solid var(--lacivert-3); }

.adim-no {
    display: inline-block;
    margin-bottom: .7rem;
    padding: .18rem .5rem;
    font-size: .74rem;
    font-weight: 700;
    letter-spacing: .1em;
    color: #fff;
    background: var(--mavi);
    border-radius: 3px;
}

.adim h3 { font-size: 1.04rem; margin-bottom: .45rem; }
.adim p { font-size: .9rem; line-height: 1.68; }

/* ── 11. DERS BLOKLARI (hub) ───────────────────────────────── */
.ders-blok {
    padding: 1.75rem;
    margin-bottom: 1.15rem;
    background: var(--yuzey);
    border: 1px solid var(--cizgi);
    border-radius: var(--radius-md);
}

.ders-blok-ust { display: flex; justify-content: space-between; align-items: flex-start; gap: 1.25rem; margin-bottom: .8rem; }
.ders-blok h2 { font-size: 1.35rem; margin-bottom: .35rem; }
.ders-meta { font-size: .84rem; color: var(--text-muted); }

/* ── 12. LİSTELER ──────────────────────────────────────────── */
.onay-liste { list-style: none; margin: 1.1rem 0 1.5rem; }
.onay-liste li { position: relative; padding-left: 1.65rem; margin-bottom: .5rem; line-height: 1.62; }

.onay-liste li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .42em;
    width: 15px;
    height: 15px;
    background: var(--mavi-soluk) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230b5cbf' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/9px no-repeat;
    border-radius: 50%;
}

.onay-liste li.soluk { color: var(--text-muted); font-style: italic; }
.onay-liste li.soluk::before { background: none; content: "+"; color: var(--text-muted); top: 0; }

.numarali { list-style: none; counter-reset: n; margin: 1.1rem 0 1.5rem; }
.numarali li { position: relative; counter-increment: n; padding-left: 2.5rem; margin-bottom: .95rem; line-height: 1.68; }

.numarali li::before {
    content: counter(n);
    position: absolute;
    left: 0;
    top: .1em;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    font-size: .8rem;
    font-weight: 700;
    color: var(--mavi);
    background: var(--mavi-soluk);
    border-radius: 50%;
}

.sade-liste { list-style: none; }
.sade-liste li { padding: .52rem 0; border-bottom: 1px solid var(--cizgi-acik); font-size: .92rem; }
.sade-liste li:last-child { border-bottom: 0; }
.sade-liste a:hover { color: var(--mavi); }

.soluk { color: var(--text-muted); font-size: .88rem; }

.one-cikan {
    padding: 1.15rem 1.4rem;
    margin: 1.25rem 0 1.9rem;
    background: var(--mavi-soluk);
    border-left: 3px solid var(--mavi);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--lacivert);
}

/* ── 13. BÖLGELER ──────────────────────────────────────────── */
.ilce-liste { display: flex; flex-wrap: wrap; gap: .55rem; }
.ilce-liste.sol { margin-bottom: 1.75rem; }

.ilce-rozet {
    padding: .48rem 1.05rem;
    font-size: .89rem;
    font-weight: 500;
    color: var(--lacivert);
    background: var(--yuzey);
    border: 1px solid var(--cizgi);
    border-radius: var(--radius-sm);
    transition: border-color .18s ease, color .18s ease, background .18s ease;
}

.ilce-rozet:hover { border-color: var(--mavi); color: var(--mavi); background: var(--mavi-soluk); }
.ilce-rozet.pasif { color: var(--text-body); background: var(--zemin); border-color: transparent; }
.ilce-rozet.pasif:hover { color: var(--text-body); background: var(--zemin); border-color: transparent; }

.bolge-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(245px, 1fr)); gap: 1.15rem; margin-bottom: 2.75rem; }

.bolge-kart {
    display: block;
    padding: 1.5rem;
    background: var(--yuzey);
    border: 1px solid var(--cizgi);
    border-radius: var(--radius-md);
    transition: border-color .18s ease, box-shadow .18s ease;
}

.bolge-kart:hover { border-color: var(--mavi); box-shadow: var(--shadow-md); }
.bolge-kart h3 { font-size: 1.06rem; margin-bottom: .35rem; }
.bolge-kart p { margin-bottom: .85rem; font-size: .82rem; }

/* ── 14. İKİ SÜTUN ─────────────────────────────────────────── */
.iki-sutun { display: grid; grid-template-columns: 1fr 320px; gap: 3.5rem; align-items: start; }
.ana-sutun h2 { font-size: 1.32rem; margin: 2.25rem 0 .85rem; }
.ana-sutun h2:first-child { margin-top: 0; }
.ana-sutun p { line-height: 1.78; margin-bottom: 1rem; }

.yan-sutun { position: sticky; top: 1.5rem; }

.bilgi-kart { padding: 1.5rem; margin-bottom: 1.15rem; background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--radius-md); }
.bilgi-kart h3 { font-size: 1rem; margin-bottom: 1.1rem; padding-bottom: .75rem; border-bottom: 1px solid var(--cizgi); }
.bilgi-kart dl { margin-bottom: 1.25rem; }
.bilgi-kart dt { margin-top: .9rem; font-size: .74rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--text-muted); }
.bilgi-kart dt:first-child { margin-top: 0; }
.bilgi-kart dd { font-size: .94rem; color: var(--lacivert); font-weight: 500; }
.bilgi-kart dd a:hover { color: var(--mavi); }

/* ── 15. SSS ───────────────────────────────────────────────── */
.sss details {
    padding: 1.15rem 1.35rem;
    margin-bottom: .7rem;
    background: var(--yuzey);
    border: 1px solid var(--cizgi);
    border-radius: var(--radius-md);
}

.sss summary {
    font-family: var(--f-baslik);
    font-weight: 600;
    font-size: 1.02rem;
    color: var(--lacivert);
    cursor: pointer;
    list-style: none;
    padding-right: 1.75rem;
    position: relative;
}

.sss summary::-webkit-details-marker { display: none; }
.sss summary::after { content: "+"; position: absolute; right: 0; top: -.1em; font-size: 1.25rem; font-weight: 400; color: var(--mavi); }
.sss details[open] summary::after { content: "−"; }
.sss details p { margin-top: .85rem; line-height: 1.72; color: var(--text-body); }

/* ── 16. FORM ──────────────────────────────────────────────── */
.form label { display: block; margin-bottom: 1.1rem; font-size: .82rem; font-weight: 600; color: var(--lacivert); }
.form-satir { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }

.form input, .form select, .form textarea {
    width: 100%;
    margin-top: .45rem;
    padding: .75rem .9rem;
    font-family: var(--f-govde);
    font-size: .95rem;
    font-weight: 400;
    color: var(--lacivert);
    background: var(--yuzey);
    border: 1px solid var(--cizgi);
    border-radius: var(--radius-sm);
}

.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--mavi); outline-offset: 0; border-color: transparent; }
.form textarea { resize: vertical; }

.alert { padding: .9rem 1.1rem; margin-bottom: 1.25rem; border-radius: var(--radius-sm); font-size: .92rem; }
.alert-success { background: #ecfdf3; border: 1px solid #a7e5c0; color: #14532d; }
.alert-error { background: #fef2f2; border: 1px solid #f4b8b8; color: #7f1d1d; }

/* ── 17. CTA ───────────────────────────────────────────────── */
.cta-blok { padding: 3.5rem 0; background: var(--lacivert); color: #b6c6d9; }
.cta-blok h2 { color: #fff; max-width: 26ch; }
.cta-blok p { max-width: 42rem; margin-bottom: 1.85rem; line-height: 1.72; }
.cta-butonlar { display: flex; flex-wrap: wrap; gap: .75rem; }
.cta-blok .btn-secondary { color: #fff !important; border-color: rgba(255, 255, 255, .28); background: transparent; }
.cta-blok .btn-secondary:hover { background: rgba(255, 255, 255, .09); border-color: rgba(255, 255, 255, .55); }

/* ── 18. BLOG ──────────────────────────────────────────────── */
.blog-duzen { display: grid; grid-template-columns: 1.15fr 1fr; gap: 2.5rem; align-items: start; }

/* Öne çıkan yazı */
.one-yazi {
    display: block;
    background: var(--yuzey);
    border: 1px solid var(--cizgi);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color .18s ease, box-shadow .18s ease;
}

.one-yazi:hover { border-color: var(--mavi); box-shadow: var(--shadow-lg); }
.one-yazi-gorsel { aspect-ratio: 16/9; overflow: hidden; background: var(--zemin); }
.one-yazi-gorsel img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.one-yazi:hover .one-yazi-gorsel img { transform: scale(1.03); }
.one-yazi-icerik { padding: 1.5rem; }
.one-yazi h3 { font-size: 1.28rem; margin-bottom: .6rem; line-height: 1.3; }
.one-yazi p { font-size: .93rem; color: var(--text-body); margin-bottom: .9rem; line-height: 1.62; }

.yazi-etiket {
    display: inline-block;
    margin-bottom: .7rem;
    padding: .2rem .6rem;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .05em;
    text-transform: uppercase;
    color: var(--mavi);
    background: var(--mavi-soluk);
    border-radius: 3px;
}

/* Yazı listesi */
.yazi-listesi { display: flex; flex-direction: column; }

.yazi-satir {
    display: grid;
    grid-template-columns: 84px 1fr;
    gap: 1.1rem;
    align-items: center;
    padding: 1.05rem 0;
    border-bottom: 1px solid var(--cizgi);
}

.yazi-satir:first-child { padding-top: 0; }
.yazi-satir:last-child { border-bottom: 0; }

.yazi-satir-gorsel { aspect-ratio: 4/3; overflow: hidden; border-radius: var(--radius-sm); background: var(--zemin); }
.yazi-satir-gorsel img { width: 100%; height: 100%; object-fit: cover; }
.yazi-satir h4 { font-family: var(--f-baslik); font-size: .98rem; font-weight: 600; line-height: 1.4; color: var(--lacivert); margin-bottom: .25rem; }
.yazi-satir:hover h4 { color: var(--mavi); }
.yazi-satir time { font-size: .78rem; color: var(--text-muted); }

/* v2.css kart uyumu */
.card { border-radius: var(--radius-md); border-color: var(--cizgi); }
.card:hover { transform: none; box-shadow: var(--shadow-lg); border-color: var(--mavi); }
.card-title { font-size: 1.08rem; }
.card-title a:hover { color: var(--mavi); }
.card:hover .card-image { transform: scale(1.03); }

.page-content, .post-content { max-width: 42rem; }
.page-content p, .post-content p { line-height: 1.8; margin-bottom: 1.15rem; }

/* ── 19. ALT BİLGİ ─────────────────────────────────────────── */
footer { background: var(--lacivert); color: #8ea3bc; padding: 3rem 0 2rem; }
footer h3 { color: #fff; }
footer h4 { font-family: var(--f-govde); font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: #fff; margin-bottom: 1rem; }
.footer-logo { font-size: 1.25rem; margin-bottom: .7rem; }
.footer-desc { font-size: .88rem; line-height: 1.68; }
.footer-content { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2.5rem; }
footer ul { list-style: none; }
footer li { margin-bottom: .5rem; font-size: .88rem; }
footer a:hover { color: #fff; }
.footer-social-links { display: flex; flex-direction: column; gap: .5rem; font-size: .88rem; }
.copyright { margin-top: 1.5rem; padding-top: 1.25rem; border-top: 1px solid var(--lacivert-2); font-size: .8rem; color: #6d8199; }

/* ── 20. ERİŞİLEBİLİRLİK ───────────────────────────────────── */
a:focus-visible, button:focus-visible, summary:focus-visible,
input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--mavi);
    outline-offset: 2px;
    border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ── 21. MOBİL ─────────────────────────────────────────────── */
@media (max-width: 1000px) {
    .hero-grid { grid-template-columns: 1fr; gap: 2.25rem; }
    .hero-gorsel { order: -1; max-width: 240px; }
    .iki-sutun { grid-template-columns: 1fr; gap: 2.25rem; }
    .yan-sutun { position: static; }
    .blog-duzen { grid-template-columns: 1fr; gap: 2rem; }
    .footer-content { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 780px) {
    .nav-toggle { display: flex; }
    header { height: auto; padding: .9rem 0; position: relative; }
    header .container { flex-wrap: wrap; }

    header nav { flex-basis: 100%; max-height: 0; overflow: hidden; transition: max-height .25s ease; }
    header nav.acik { max-height: 34rem; }
    header nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: .75rem 0 .5rem; }
    header nav ul li { width: 100%; margin-left: 0 !important; }
    header nav ul li a { display: block; padding: .75rem .1rem; border-bottom: 1px solid var(--cizgi-acik); }
    header nav a::after { display: none; }
    .nav-cta { padding-top: .85rem; }
    .nav-cta .btn { justify-content: center; width: 100%; }

    .hero { padding: 2.75rem 0 2.5rem; }
    .bolum { padding: 2.75rem 0; }
    .bolum-ust { flex-direction: column; align-items: flex-start; gap: .5rem; }
    .serit-grid { grid-template-columns: 1fr 1fr; gap: 1.25rem; }
    .form-satir { grid-template-columns: 1fr; }
    .ders-blok-ust { flex-direction: column; }
    .hero-butonlar .btn, .cta-butonlar .btn { flex: 1 1 100%; }
    .footer-content { grid-template-columns: 1fr; gap: 1.75rem; }
    .wa-float { width: 50px; height: 50px; right: 1rem; bottom: 1rem; }
    .yazi-satir { grid-template-columns: 70px 1fr; gap: .9rem; }
}