:root {
  --navy: #092b4c;
  --navy-2: #0d3b66;
  --blue: #087be6;
  --blue-dark: #0668c3;
  --cyan: #28c2f4;
  --ink: #142033;
  --muted: #607086;
  --surface: #ffffff;
  --soft: #f4f8fc;
  --line: #dfe9f3;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(9, 43, 76, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--soft); font-family: "Poppins", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; }
a { transition: color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease; }
.container { width: 100%; overflow: hidden; background: var(--surface); }

/* Header */
.site-header { position: relative; z-index: 1000; }
.ust_cubuk { background: var(--navy); color: #fff; }
.ust_cubuk_tasi { width: min(1180px, calc(100% - 40px)); min-height: 38px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 18px; font-size: 12px; }
.ust_cubuk_tasi a, .ust_cubuk_tasi span { color: #fff; text-decoration: none; }
.ust_cubuk_tasi a:hover { color: var(--cyan); }
.kafa { position: sticky; top: 0; z-index: 999; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--line); box-shadow: 0 8px 24px rgba(9,43,76,.07); backdrop-filter: blur(12px); }
.navbar { width: min(1180px, calc(100% - 40px)); min-height: 82px; margin: 0 auto; display: flex; align-items: center; gap: 24px; }
.brand { flex: 0 0 auto; display: flex; align-items: center; }
.brand img { width: auto; height: 58px; object-fit: contain; }
.nav_menu { flex: 1; display: flex; align-items: center; justify-content: flex-end; gap: 4px; margin: 0; padding: 0; list-style: none; }
.nav_link { display: block; padding: 12px 11px; color: var(--navy) !important; border-radius: 10px; font-size: 13px; font-weight: 600; text-decoration: none; white-space: nowrap; }
.nav_link:hover { color: var(--blue) !important; background: #eef6ff; }
.nav-cta { color: #fff !important; background: var(--blue); box-shadow: 0 8px 20px rgba(8,123,230,.25); }
.nav-cta:hover { color: #fff !important; background: var(--blue-dark); transform: translateY(-1px); }
.hamburger { display: none; cursor: pointer; }
.bar { display: block; width: 26px; height: 3px; margin: 5px auto; background: var(--navy); border-radius: 4px; }

/* Shared page hero */
.ust_hero { position: relative; min-height: 270px; padding: 70px 20px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; background: radial-gradient(circle at 15% 20%, rgba(40,194,244,.35), transparent 30%), linear-gradient(135deg, var(--navy), var(--navy-2)); }
.ust_hero::after { content: ""; position: absolute; inset: auto 0 0; height: 5px; background: linear-gradient(90deg, var(--cyan), var(--blue)); }
.ust_hero_baslik { position: relative; color: #fff !important; font-size: clamp(30px, 5vw, 50px) !important; font-weight: 800 !important; line-height: 1.18 !important; letter-spacing: -.8px; }
.ust_hero_bilgi { position: relative; max-width: 740px; margin-top: 14px; color: #d9ebfa !important; font-size: 16px !important; line-height: 1.7 !important; }

/* Buttons */
.buton1, .buton2, .header_buton2, .kampanya_buton a, .basvur_buton a, input[type="submit"], button[type="submit"] { border: 0 !important; border-radius: 11px !important; background: var(--blue) !important; color: #fff !important; font-weight: 700 !important; box-shadow: 0 10px 24px rgba(8,123,230,.22); text-decoration: none !important; }
.buton1:hover, .buton2:hover, .kampanya_buton a:hover, .basvur_buton a:hover, input[type="submit"]:hover { background: var(--blue-dark) !important; transform: translateY(-2px); }

/* Campaign area and cards */
.kampanya { padding: 72px 20px !important; background: var(--soft) !important; }
.kampanya_tasi { width: min(1180px, 100%) !important; margin: 0 auto !important; }
.kampanya_ust { margin-bottom: 28px !important; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.kampanya_ust_sol { color: var(--navy) !important; font-size: 25px !important; font-weight: 800 !important; }
.kampanya_ust_sag, .kampanya_ust_sag a { color: var(--blue) !important; font-weight: 700; }
.kampanya_kutu_tasi { display: grid !important; grid-template-columns: repeat(4, minmax(0, 1fr)) !important; gap: 20px !important; align-items: stretch; }
.kampanya_kutu { width: auto !important; min-width: 0 !important; height: 100% !important; margin: 0 !important; padding: 25px 21px !important; display: flex !important; flex-direction: column; background: #fff !important; border: 1px solid var(--line) !important; border-radius: var(--radius) !important; box-shadow: 0 10px 30px rgba(9,43,76,.08) !important; overflow: hidden; }
.kampanya_kutu:hover { transform: translateY(-6px); box-shadow: var(--shadow) !important; border-color: #bddcf8 !important; }
.kampanya_baslik { min-height: 52px; display: flex; align-items: center; justify-content: center; color: var(--navy) !important; font-size: 20px !important; font-weight: 800 !important; }
.kampanya_madde { width: 100% !important; margin: 0 !important; padding: 11px 0 !important; display: flex !important; align-items: center !important; border-bottom: 1px solid #eef2f6; }
.madde_sol { flex: 0 0 36px !important; }
.madde_sol img { width: 27px !important; height: 27px !important; object-fit: contain; }
.madde_sag { min-width: 0; }
.kamp_ana { color: var(--ink) !important; font-size: 16px !important; font-weight: 700 !important; }
.kamp_alt { color: var(--muted) !important; font-size: 11px !important; }
.tarife_fiyat { display: block; color: var(--muted) !important; font-size: 13px !important; }
.tarife_fiyat .belirt { color: var(--navy) !important; font-size: 34px !important; font-weight: 900 !important; }
.kampanya_buton { margin-top: auto !important; padding-top: 18px !important; }
.kampanya_buton a { display: block !important; padding: 13px 14px !important; text-align: center; }

/* Forms */
form { max-width: 100%; }
input, select, textarea { max-width: 100%; border: 1px solid #cfdeec !important; border-radius: 10px !important; background: #fff !important; color: var(--ink) !important; font-family: inherit !important; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--blue) !important; box-shadow: 0 0 0 4px rgba(8,123,230,.11) !important; }
.contact, .basvuru, .altyapi { padding-top: 60px !important; padding-bottom: 60px !important; background: var(--soft) !important; }
.contact_tasi, .basvuru_tasi, .altyapi_tasi { width: min(1100px, calc(100% - 32px)) !important; margin: 0 auto !important; }

/* Content surfaces */
.hiztesi_aciklama, .yardim_destek, .gizlilik, .kvkk, .cerez { background: var(--soft) !important; }
.hiz_testi_aciklama_tasi, .yardim_destek_tasi { width: min(1000px, calc(100% - 32px)) !important; margin: 0 auto !important; }
.hiz_madde, .box, .panel { border-radius: 14px !important; }
.hiz_madde_baslik, .accordion { color: var(--navy) !important; font-weight: 800 !important; }
.maps { padding: 0 20px 70px; background: var(--soft); }
.maps iframe { display: block; width: min(1180px, 100%); margin: 0 auto; border-radius: 18px; box-shadow: var(--shadow); }

/* Footer */
.site-footer { color: #dbe9f5; background: #061f38; }
.footer-cta { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 34px 0; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid rgba(255,255,255,.13); }
.footer-cta div { display: flex; flex-direction: column; gap: 5px; }
.footer-cta strong { color: #fff; font-size: 24px; }
.footer-cta span { color: #a9bfd1; font-size: 14px; }
.footer-cta > a { padding: 14px 20px; color: #fff; background: var(--blue); border-radius: 11px; font-size: 17px; font-weight: 800; text-decoration: none; white-space: nowrap; }
.footer-grid { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 55px 0; display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 45px; }
.footer-grid > div { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-grid h3 { margin: 0 0 8px; color: #fff; font-size: 16px; }
.footer-grid a { color: #a9bfd1; font-size: 13px; text-decoration: none; }
.footer-grid a:hover { color: #fff; transform: translateX(3px); }
.footer-brand img { width: 150px; margin-bottom: 8px; filter: brightness(0) invert(1); }
.footer-brand p { max-width: 280px; margin: 0; color: #a9bfd1; font-size: 13px; line-height: 1.7; }
.footer-bottom { padding: 20px max(20px, calc((100% - 1180px) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 20px; color: #809bb0; background: #04182c; font-size: 12px; }
.footer-bottom div { display: flex; gap: 18px; }
.footer-bottom a { color: #a9bfd1; text-decoration: none; }

@media (max-width: 1050px) {
  .hamburger { display: block; margin-left: auto; }
  .nav_menu { position: fixed; top: 120px; left: -110%; width: 100%; height: calc(100vh - 120px); padding: 24px; flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 5px; background: #fff; transition: left .25s ease; overflow-y: auto; }
  .nav_menu.active { left: 0; }
  .nav_link { padding: 14px 16px; font-size: 15px; }
  .kampanya_kutu_tasi { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 650px) {
  .ust_cubuk_tasi { min-height: 42px; justify-content: center; }
  .ust_cubuk_tasi span, .ust_cubuk_tasi a:last-child { display: none; }
  .navbar { width: calc(100% - 28px); min-height: 72px; }
  .brand img { height: 50px; }
  .nav_menu { top: 114px; height: calc(100vh - 114px); }
  .ust_hero { min-height: 220px; padding: 55px 18px; }
  .kampanya { padding: 50px 14px !important; }
  .kampanya_ust { align-items: flex-start; flex-direction: column; }
  .kampanya_kutu_tasi { grid-template-columns: 1fr !important; }
  .kampanya_kutu { padding: 23px 20px !important; }
  .footer-cta { padding: 30px 0; align-items: flex-start; flex-direction: column; }
  .footer-cta strong { font-size: 20px; }
  .footer-grid { padding: 42px 0; grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
  .footer-bottom div { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}