/* =====================================================================
   Tema: MAVİ KURUMSAL — kullanıcının verdiği ChatGPT tasarımının (insaat-firmasi-mavi-site) saf CSS karşılığı.
   Beyaz logo şeridi + iletişim künyesi, mavi menü çubuğu, lacivert hero ve üstüne binen güven şeridi,
   açık mavi bölümler, lacivert footer. Çerçeve yok; hafif gölge.
   ===================================================================== */
:root {
  --k-font: 'Inter', 'Segoe UI', Arial, sans-serif;
  --k-font-head: 'Outfit', 'Inter', sans-serif;
  --k-primary: #06264b;
  --k-ink: #102b50;
  --k-text: #475a70;
  --k-muted: #617187;
  --k-accent: #0877df;
  --k-accent-hover: #0065c5;
  --k-accent-soft: #e4f2ff;
  --k-on-dark-muted: #c4d4e6;
  --k-bg-soft: #f3f8fd;
  --k-footer: #06264b;
  --k-radius: 6px;
  --k-radius-sm: 6px;
  --k-radius-btn: 4px;
  --k-shadow: 0 4px 18px rgba(18, 55, 90, .06);
  --k-shadow-hover: 0 14px 34px rgba(10, 48, 90, .12);
  --k-shadow-btn: 0 6px 18px rgba(8, 119, 223, .25);
  --k-wrap: 1240px;
  --mv-mavi2: #0054ad;
}
body.mv { background: #fff; }
.mv h1, .mv h2, .mv h3 { font-family: var(--k-font-head); letter-spacing: -.02em; }

.mv .k-btn { border-radius: 4px; font-weight: 700; padding: 13px 22px; font-size: 13.5px; letter-spacing: .02em; }
.mv-btn-beyaz { background: transparent; color: #fff; box-shadow: inset 0 0 0 1.5px #fff; }
.mv-btn-beyaz:hover { background: rgba(255, 255, 255, .12); }
.mv-btn-cizgi { background: #fff; color: var(--k-accent); box-shadow: inset 0 0 0 1.5px var(--k-accent); }
.mv-btn-cizgi:hover { background: var(--k-accent-soft); }
.mv-ust-etiket { font-size: 12px; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; color: var(--k-accent); margin-bottom: 8px; }
.mv-ust-etiket.acik { color: #d8eaff; }

/* ---------- Logo şeridi ---------- */
.mv-ust { background: #fff; box-shadow: inset 0 -1px 0 #e2eaf3; }
.mv-ust-ic { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.mv-logo { display: flex; align-items: center; gap: 12px; color: var(--k-ink); }
.mv-logo img { height: 52px; width: auto; }
.mv-logo .isaret { width: 44px; height: 44px; color: var(--k-accent); flex: none; }
.mv-logo .yazi { display: grid; line-height: 1.1; }
.mv-logo .yazi b { font-family: var(--k-font-head); font-size: 22px; font-weight: 800; letter-spacing: .01em; text-transform: uppercase; }
.mv-logo .yazi small { font-size: 11.5px; color: var(--k-muted); margin-top: 3px; }
.mv-logo.ters { color: #fff; }
.mv-logo.ters .isaret { color: #fff; }
.mv-meta { display: flex; align-items: center; gap: 28px; font-size: 13px; color: #425775; }
.mv-meta > * { display: flex; align-items: center; gap: 10px; }
.mv-meta .ik { width: 38px; height: 38px; border-radius: 50%; background: var(--k-accent-soft); color: var(--k-accent); display: grid; place-items: center; flex: none; }
.mv-meta b { display: block; color: var(--k-ink); font-size: 13px; }
.mv-meta span:last-child { display: grid; line-height: 1.35; }
.mv-burger { display: none; width: 46px; height: 46px; border-radius: 6px; background: var(--k-accent); color: #fff; align-items: center; justify-content: center; }

/* ---------- Mavi menü çubuğu ---------- */
.mv-nav { position: sticky; top: 0; z-index: 60; background: var(--mv-mavi2); color: #fff; box-shadow: 0 4px 14px rgba(0, 46, 99, .2); }
.mv-nav-ic { display: flex; align-items: center; justify-content: space-between; min-height: 54px; }
.mv-menu { display: flex; align-items: center; gap: 2px; font-size: 13.5px; font-weight: 700; }
.mv-menu > a, .mv-menu .acilir > a { display: inline-flex; align-items: center; gap: 4px; padding: 17px 14px; opacity: .95; }
.mv-menu a:hover, .mv-menu a.aktif { background: rgba(255, 255, 255, .1); opacity: 1; }
.mv-menu .acilir { position: relative; }
.mv-menu .liste { position: absolute; top: 100%; left: 0; min-width: 240px; background: #fff; color: var(--k-ink); box-shadow: var(--k-shadow-hover); padding: 8px; display: none; z-index: 5; border-radius: 0 0 6px 6px; }
.mv-menu .acilir:hover .liste, .mv-menu .acilir:focus-within .liste { display: grid; }
.mv-menu .liste a { padding: 10px 14px; font-weight: 600; border-radius: 4px; }
.mv-menu .liste a:hover, .mv-menu .liste a.aktif { background: var(--k-accent-soft); color: var(--k-accent); }
.mv-teklif { align-self: stretch; display: inline-flex; align-items: center; padding: 0 30px; background: var(--k-accent); font-weight: 800; letter-spacing: .04em; font-size: 14px; }
.mv-teklif:hover { background: #1a8bf2; }

/* ---------- Hero ---------- */
.mv-hero { position: relative; color: #fff; background: #08284c var(--hero) center / cover no-repeat; isolation: isolate; }
.mv-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(2, 22, 43, .9), rgba(2, 25, 49, .62) 50%, rgba(2, 25, 49, .08)); z-index: -1; }
.mv-hero-ic { padding-top: 92px; padding-bottom: 130px; max-width: var(--k-wrap); }
.mv-hero h1 { font-size: clamp(36px, 4.6vw, 58px); line-height: 1.1; font-weight: 800; color: #fff; max-width: 680px; }
.mv-hero h1 em { font-style: normal; color: #2e9bff; }
.mv-hero .metin { max-width: 560px; color: #e6eef8; font-size: 16px; line-height: 27px; margin-top: 18px; }
.mv-hero .btnlar { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.mv-guven { position: relative; z-index: 2; margin-top: -64px; }
.mv-guven-ic { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; background: rgba(6, 30, 59, .94); border-radius: 6px 6px 0 0; padding: 0 12px; }
.mv-guven .oge { display: flex; gap: 14px; align-items: center; padding: 20px 16px; color: #fff; }
.mv-guven .oge + .oge { box-shadow: inset 1px 0 0 rgba(255, 255, 255, .1); }
.mv-guven .ik { width: 44px; height: 44px; border-radius: 9px; box-shadow: inset 0 0 0 1.5px #0b8aff; color: #48aaff; display: grid; place-items: center; flex: none; }
.mv-guven b { display: block; font-size: 14px; }
.mv-guven small { display: block; font-size: 12px; line-height: 17px; color: #c2d3e7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- Bölümler ---------- */
.mv-bolum { padding: 76px 0; background: #fff; }
.mv-bolum.soft { background: var(--k-bg-soft); }
.mv-bolum h2 { font-size: clamp(27px, 3vw, 36px); line-height: 1.18; font-weight: 800; color: var(--k-ink); }
.mv-bas { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: end; margin-bottom: 32px; }
.mv-bas > div:last-child { display: grid; gap: 14px; justify-items: start; }
.mv-bas p:not(.mv-ust-etiket) { color: var(--k-muted); font-size: 14.5px; }
.mv-bas.orta { grid-template-columns: 1fr; text-align: center; justify-items: center; }
.mv-kartlar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.mv-kartlar.uc { grid-template-columns: repeat(3, 1fr); }
.mv-kart, .mv-proje { background: #fff; border-radius: 6px; overflow: hidden; box-shadow: var(--k-shadow); display: flex; flex-direction: column; transition: transform .25s, box-shadow .25s; }
.mv-kart:hover, .mv-proje:hover { transform: translateY(-4px); box-shadow: var(--k-shadow-hover); }
.mv-kart .gorsel, .mv-proje .gorsel { position: relative; display: block; aspect-ratio: 16 / 10; overflow: visible; }
.mv-kart .gorsel img, .mv-proje .gorsel img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.mv-kart .ik { position: absolute; left: 16px; bottom: -22px; width: 46px; height: 46px; border-radius: 8px; background: #fff; color: var(--k-accent); display: grid; place-items: center; box-shadow: var(--k-shadow-hover); }
.mv-kart .yazi { display: grid; gap: 6px; padding: 32px 18px 20px; }
.mv-kartlar.uc .mv-kart .yazi { padding-top: 18px; }
.mv-kart b, .mv-proje b { font-family: var(--k-font-head); font-size: 17px; color: var(--k-ink); line-height: 1.3; }
.mv-kart .yazi > span { font-size: 13.5px; line-height: 21px; color: var(--k-muted); }
.mv-kart em { font-style: normal; font-weight: 700; font-size: 13px; color: var(--k-accent); }
.mv-proje .ornek { position: absolute; top: 10px; right: 10px; background: #06264b; color: #9fd0ff; font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; padding: 3px 8px; border-radius: 3px; }
.mv-proje .yazi { display: grid; gap: 4px; padding: 14px 16px 16px; }
.mv-proje small { font-size: 10.5px; letter-spacing: .12em; color: var(--k-muted); font-weight: 700; }
.mv-proje .alt { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: 12px; color: var(--k-muted); margin-top: 4px; }
.mv-proje .alt > span:first-child { display: inline-flex; gap: 4px; align-items: center; }
.mv-proje .pill { background: var(--k-accent-soft); color: #0066c7; padding: 3px 8px; font-weight: 800; border-radius: 3px; font-size: 11px; white-space: nowrap; }
.mv-bos { padding: 28px; background: #f8fbff; border-radius: 6px; box-shadow: var(--k-shadow); }
.mv-bos a { color: var(--k-accent); font-weight: 700; }

.mv-hakkinda { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.mv-hakkinda img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 6px; box-shadow: var(--k-shadow-hover); }
.mv-hakkinda h2 + p { margin: 16px 0 24px; font-size: 15.5px; line-height: 27px; }
.mv-stat { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 30px; }
.mv-stat div { background: #fff; padding: 18px; text-align: center; border-radius: 6px; box-shadow: var(--k-shadow); display: grid; gap: 2px; }
.mv-stat b { font-size: 26px; color: var(--k-accent); font-family: var(--k-font-head); }
.mv-stat span { font-size: 12px; color: var(--k-muted); }

.mv-surec { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.mv-surec li { background: #fff; border-radius: 6px; padding: 24px 20px; box-shadow: var(--k-shadow); display: grid; gap: 8px; align-content: start; }
.mv-surec .no { width: 38px; height: 38px; border-radius: 50%; background: var(--k-accent); color: #fff; font-weight: 800; display: grid; place-items: center; }
.mv-surec b { color: var(--k-ink); font-size: 16px; }
.mv-surec p { font-size: 13.5px; line-height: 20px; color: var(--k-muted); }

.mv-cta { background: linear-gradient(90deg, rgba(6, 69, 125, .9), rgba(6, 39, 77, .95)), var(--cta) center / cover; color: #fff; padding: 44px 0; }
.mv-cta-ic { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.mv-cta h2 { color: #fff; font-size: clamp(22px, 2.5vw, 30px); }
.mv-cta p { color: #d7e6f5; margin-top: 4px; }
.mv-cta .btnlar { display: flex; gap: 12px; flex-wrap: wrap; flex: none; }

/* ---------- Footer ---------- */
.mv-footer { background: #06264b; color: #c4d4e6; padding: 54px 0 0; font-size: 13.5px; }
.mv-footer-ust { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 34px; }
.mv-footer h3 { color: #fff; font-size: 15px; margin-bottom: 14px; font-family: var(--k-font-head); }
.mv-footer a, .mv-footer p { display: flex; gap: 8px; align-items: flex-start; margin: 7px 0; color: #c4d4e6; }
.mv-footer a:hover { color: #fff; }
.mv-footer .kimlik p { display: block; margin-top: 14px; line-height: 22px; max-width: 320px; }
.mv-footer .sosyal { display: flex; gap: 8px; margin-top: 14px; }
.mv-footer .sosyal a { width: 34px; height: 34px; border-radius: 50%; background: rgba(255, 255, 255, .1); display: grid; place-items: center; margin: 0; }
.mv-footer .iletisim svg { color: #48aaff; flex: none; margin-top: 3px; }
.mv-footer .vurgu { color: #fff; font-weight: 700; }
.mv-footer-alt { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px 24px; padding: 16px 0; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .14); font-size: 12.5px; color: #bdd0e4; }
.mv-footer-alt nav { display: flex; flex-wrap: wrap; gap: 4px 18px; }
.mv-footer-alt nav a { margin: 0; }
.mv-footer .k-imza { color: #9fb6cf; }

/* ---------- İç sayfalar ---------- */
.mv .k-sayfa-bas { background: linear-gradient(120deg, #05274d, #0877df); }
.mv .k-sayfa-bas::after { background: linear-gradient(90deg, rgba(5, 39, 77, .95) 0%, rgba(5, 39, 77, .75) 55%, rgba(8, 119, 223, .35) 100%); }
.mv .k-sayfa-bas .arka { opacity: .3; }
.mv .k-sayfa-bas h1 { font-weight: 800; }
.mv .k-sayfa-bas p, .mv .k-crumb { color: #dcecff; }
.mv .k-rozet { border-radius: 4px; letter-spacing: .14em; }
.mv .k-cip { border-radius: 4px; }
.mv .k-cta-kutu { background: #06264b; }

/* ---------- Duyarlı ---------- */
@media (max-width: 1100px) {
  .mv-meta .genis { display: none; }
  .mv-menu > a, .mv-menu .acilir > a { padding: 17px 9px; font-size: 13px; }
  .mv-kartlar { grid-template-columns: repeat(2, 1fr); }
  .mv-surec { grid-template-columns: repeat(3, 1fr); }
  .mv-guven-ic { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .mv-nav { display: none; }
  .mv-ust { position: sticky; top: 0; z-index: 60; }
  .mv-burger { display: inline-flex; }
  .mv-meta { display: none; }
  .mv-hakkinda, .mv-bas { grid-template-columns: 1fr; gap: 24px; }
  .mv-footer-ust { grid-template-columns: 1fr 1fr; }
  .mv-cta-ic { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  .mv-ust-ic { min-height: 64px; }
  .mv-logo .isaret { width: 38px; height: 38px; }
  .mv-logo .yazi b { font-size: 19px; }
  .mv-logo .yazi small { font-size: 10.5px; max-width: 210px; }
  .mv-hero-ic { padding-top: 56px; padding-bottom: 96px; }
  .mv-hero h1 { font-size: 34px; }
  .mv-hero .btnlar .k-btn { flex: 1; }
  .mv-guven { margin-top: -48px; }
  .mv-guven-ic { grid-template-columns: 1fr; }
  .mv-guven .oge + .oge { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1); }
  .mv-bolum { padding: 52px 0; }
  .mv-kartlar, .mv-kartlar.uc, .mv-surec, .mv-stat { grid-template-columns: 1fr; }
  .mv-footer-ust { grid-template-columns: 1fr; gap: 22px; }
  .mv-cta .btnlar, .mv-cta .k-btn { width: 100%; }
}