/* Site giriş — mavi blur arka plan */
:root {
  --metro-blue: #003087;
  --metro-red: #E30613;
  --giris-text: #f4f7fc;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
}

body.giris-page {
  font-family: "DM Sans", system-ui, sans-serif;
  color: var(--giris-text);
  background: var(--metro-blue);
}

.giris-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.giris-bg-image {
  position: absolute;
  inset: -20px;
  background:
    linear-gradient(135deg, rgba(0, 48, 135, 0.92) 0%, rgba(0, 48, 135, 0.75) 45%, rgba(227, 6, 19, 0.35) 100%),
    url("../images/hero.jpg") center / cover no-repeat;
  transform: scale(1.05);
}

.giris-bg-blur {
  position: absolute;
  inset: 0;
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  background: rgba(0, 48, 135, 0.55);
}

.giris-main {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.giris-card {
  width: 100%;
  max-width: 440px;
  padding: 2rem 1.75rem 2.25rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.giris-logo {
  display: block;
  width: min(260px, 100%);
  height: auto;
  margin: 0 auto 1.25rem;
  filter: brightness(0) invert(1);
}

.giris-badge {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: var(--metro-red);
  border-radius: 6px;
}

.giris-card h1 {
  margin: 0 0 0.75rem;
  font-family: Outfit, "DM Sans", sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.25;
}

.giris-lead {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  line-height: 1.55;
  color: rgba(244, 247, 252, 0.92);
}

.giris-note {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  line-height: 1.45;
  color: rgba(244, 247, 252, 0.72);
}

.giris-case {
  margin: 0 0 1.25rem;
  padding: 0.55rem 0.75rem;
  font-size: 0.82rem;
  line-height: 1.45;
  color: #fff;
  background: rgba(0, 0, 0, 0.2);
  border-left: 3px solid var(--metro-red);
  border-radius: 0 6px 6px 0;
}

.giris-case strong {
  font-weight: 700;
}

.giris-error {
  margin: 0 0 1rem;
  padding: 0.65rem 0.85rem;
  font-size: 0.875rem;
  color: #fff;
  background: rgba(227, 6, 19, 0.85);
  border-radius: 8px;
}

.giris-form label {
  display: block;
  margin-bottom: 0.85rem;
}

.giris-form label span {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(244, 247, 252, 0.88);
}

.giris-form input {
  width: 100%;
  padding: 0.7rem 0.85rem;
  font: inherit;
  font-size: 1rem;
  color: #0f172a;
  background: #fff;
  border: 2px solid transparent;
  border-radius: 8px;
}

.giris-form input:focus {
  outline: none;
  border-color: var(--metro-red);
  box-shadow: 0 0 0 3px rgba(227, 6, 19, 0.25);
}

.giris-submit {
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.85rem 1rem;
  font: inherit;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(135deg, var(--metro-blue) 0%, #0044a8 100%);
  border: none;
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.giris-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.giris-submit:active {
  transform: translateY(0);
}