/* ==========================================================================
   URAS PV — Kurumsal Stil Dosyasi
   Renk paleti: logo tonlari (koyu lacivert + acik mavi)
   ========================================================================== */

:root {
  --color-primary: #0a5ea8;       /* Ana lacivert */
  --color-primary-dark: #072e52;  /* Koyu lacivert */
  --color-accent: #2ab7ff;        /* Acik mavi (vurgu) */
  --color-accent-soft: #e7f5ff;   /* Cok acik arka plan */
  --color-text: #0b2a4a;
  --color-text-soft: #4a5a70;
  --color-border: #e2e8f0;
  --color-bg: #ffffff;
  --color-bg-alt: #f7fafc;
  --color-bg-dark: #031a33;

  --shadow-sm: 0 1px 2px rgba(7, 46, 82, 0.05);
  --shadow-md: 0 4px 14px rgba(7, 46, 82, 0.08);
  --shadow-lg: 0 12px 32px rgba(7, 46, 82, 0.12);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --container: 1200px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
               'Helvetica Neue', Arial, sans-serif;
}

/* ----- Reset ----- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

html.i18n-pending body {
  opacity: 0;
  visibility: hidden;
}

img { max-width: 100%; display: block; height: auto; }
a { color: var(--color-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--color-accent); }
h1, h2, h3, h4 { margin: 0 0 .6em; line-height: 1.25; color: var(--color-primary-dark); font-weight: 700; }
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: 1.3rem; }
p  { margin: 0 0 1em; color: var(--color-text-soft); }
ul { padding-left: 1.25em; }
ul li { margin: .35em 0; color: var(--color-text-soft); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--color-primary-dark);
}
.brand img {
  height: 56px;
  width: auto;
}
.brand-text {
  display: none;
  line-height: 1.1;
}
.brand-text strong { font-size: 1.1rem; letter-spacing: .5px; }
.brand-text span { font-size: .75rem; color: var(--color-text-soft); font-weight: 400; }

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}
.main-nav a {
  color: var(--color-primary-dark);
  font-weight: 500;
  padding: 8px 4px;
  position: relative;
}
.main-nav a.active,
.main-nav a:hover { color: var(--color-accent); }
.main-nav a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Dil secici */
.lang-switch {
  display: inline-flex;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  overflow: hidden;
  background: var(--color-bg-alt);
}
.lang-switch button {
  border: 0;
  background: transparent;
  color: var(--color-text-soft);
  padding: 6px 12px;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s, color .2s;
}
.lang-switch button.active {
  background: var(--color-primary);
  color: #fff;
}
.lang-switch button:hover:not(.active) { color: var(--color-primary); }

.menu-toggle {
  display: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-primary-dark);
  margin: 5px 0;
  transition: transform .25s, opacity .2s;
}

/* Mobil */
@media (max-width: 900px) {
  .main-nav {
    position: absolute;
    top: 78px; left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: transform .25s, opacity .25s;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 12px 24px;
  }
  .main-nav a {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
  }
  .main-nav ul li:last-child a { border-bottom: 0; }
  .menu-toggle { display: block; }
}
@media (min-width: 1100px) {
  .brand-text { display: block; }
}

/* ==========================================================================
   Butonlar
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s, box-shadow .2s, background .2s, color .2s;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}
.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.4);
}
.btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  padding: 90px 0 110px;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(42,183,255,0.18), transparent 60%),
    linear-gradient(180deg, #eaf4fb 0%, #ffffff 100%);
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero h1 {
  color: var(--color-primary-dark);
  margin-bottom: 16px;
}
.hero .eyebrow {
  display: inline-block;
  background: #fff;
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  font-size: .8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
  letter-spacing: .5px;
  text-transform: uppercase;
}
.hero .lead {
  font-size: 1.1rem;
  color: var(--color-text-soft);
  margin-bottom: 28px;
  max-width: 560px;
}
.hero .hero-tagline {
  font-style: italic;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.hero-visual img {
  max-width: 420px;
  filter: drop-shadow(0 20px 40px rgba(10, 94, 168, 0.2));
}
.hero-visual::before {
  content: '';
  position: absolute;
  inset: 10% 10%;
  background: radial-gradient(circle at center, rgba(42,183,255,.18), transparent 70%);
  z-index: 0;
  border-radius: 50%;
}
@media (max-width: 900px) {
  .hero { padding: 56px 0 72px; }
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero .lead { margin-left: auto; margin-right: auto; }
  .hero-ctas { justify-content: center; }
  .hero-visual img { max-width: 280px; }
}

/* ==========================================================================
   Section genel
   ========================================================================== */
section.block {
  padding: 80px 0;
}
section.block.alt { background: var(--color-bg-alt); }
.section-head { text-align: center; max-width: 780px; margin: 0 auto 48px; }
.section-head .eyebrow {
  display: inline-block;
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: .8rem;
  margin-bottom: 12px;
}

/* ==========================================================================
   Kart izgaralari
   ========================================================================== */
.grid {
  display: grid;
  gap: 24px;
}
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
}

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: #cfe4f3;
}
.card .icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 6px 18px rgba(10,94,168,.25);
}
.card h3 { margin: 8px 0 4px; color: var(--color-primary-dark); }
.card p { margin: 0; }
.card .card-link {
  margin-top: auto;
  font-weight: 600;
  color: var(--color-primary);
}

/* ==========================================================================
   Rakamlar serisi
   ========================================================================== */
.stats {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  padding: 60px 0;
}
.stats .grid { gap: 16px; }
.stat {
  text-align: center;
  padding: 16px;
}
.stat .num {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: #fff;
  display: block;
  line-height: 1;
}
.stat .label {
  color: #cfe4f3;
  font-size: .95rem;
  margin-top: 8px;
  display: block;
}

/* ==========================================================================
   Iletisim formu
   ========================================================================== */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 900px) {
  .contact-wrap { grid-template-columns: 1fr; }
}
.contact-info {
  background: linear-gradient(160deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  padding: 36px;
  border-radius: var(--radius-lg);
}
.contact-info h3 { color: #fff; }
.contact-info p { color: #d6e7f5; }
.contact-info .info-item {
  display: flex;
  gap: 14px;
  margin: 16px 0;
  align-items: flex-start;
}
.contact-info .info-item .icon {
  flex: 0 0 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,.12);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-info a { color: #fff; text-decoration: underline; }

.contact-form {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(10,94,168,.15);
}
.form-group textarea { resize: vertical; min-height: 140px; }
.form-group.honeypot { position: absolute; left: -9999px; }

.form-status {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  display: none;
}
.form-status.visible { display: block; }
.form-status.success { background: #e6f7ee; color: #066b3a; border: 1px solid #bfe8d1; }
.form-status.error   { background: #fdecec; color: #a32222; border: 1px solid #f4c7c7; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--color-bg-dark);
  color: #cfe4f3;
  padding: 56px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; } }

.site-footer h4 {
  color: #fff;
  font-size: .95rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.site-footer ul { list-style: none; padding: 0; }
.site-footer ul li { margin: 8px 0; }
.site-footer a { color: #cfe4f3; }
.site-footer a:hover { color: #fff; }
.site-footer .brand img { height: 60px; }
.site-footer p { color: #9fc0dc; font-size: .92rem; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: .85rem;
  color: #9fc0dc;
}

/* ==========================================================================
   Yardimci siniflar
   ========================================================================== */
.text-center { text-align: center; }
.mt-24 { margin-top: 24px; }
.mb-8  { margin-bottom: 8px; }
[hidden] { display: none !important; }

/* Animasyonlar */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp .6s ease both; }