/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background: #f8fafc;
  color: #333;
}

:root {
  --primary: #0d86ad;
  --primary-dark: #0a6e8f;
}

/* HEADER – MENU ORTADA */
header {
  background: #fff;
  padding: 15px 30px;
  display: grid;
  grid-template-columns: 1fr auto 1fr; /* Menü tam ortada */
  align-items: center;
  border-bottom: 1px solid #e5e5e5;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 22px;
  font-weight: bold;
  color: var(--primary);
  text-decoration: none !important;
}

/* NAV — ORTALANMIŞ MENÜ */
nav {
  display: flex;
  gap: 32px;
  justify-self: center; /* Tam ortaya alır */
}

nav a {
    font-family: 'Inter', 'Roboto', Arial, sans-serif;
    font-size: 19px;
    font-weight: 600;
    color: #111;
    text-decoration: none;
    padding: 6px 4px;
    transition: 0.2s ease;
}

nav a:hover {
    border-bottom: 2px solid #000;
}

/* LANG SWITCH – SAĞA HİZALI */
.lang-switch {
  justify-self: end;
}

.lang-switch a {
  color: var(--primary);
  font-weight: 600;
  margin-left: 10px;
}

/* HAMBURGER */
.hamburger {
  display: none;
  font-size: 26px;
  cursor: pointer;
  justify-self: end;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: #fff;
  padding: 20px;
  border-top: 1px solid #ddd;
}

.mobile-menu a {
  margin: 10px 0;
  font-size: 18px;
}

/* HERO FULL */
.hero-full {
  width: 100%;
  height: 85vh;
  background: url("../img/photo.jpg") center/cover no-repeat;
}

/* CONTAINER */
.container {
  max-width: 1100px;
  margin: auto;
  padding: 40px;
}

.section-title {
  font-size: 30px;
  color: var(--primary);
  text-align: center;
  margin-bottom: 25px;
}

/* ABOUT */
.about-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.about-section img {
  width: 100%;
  border-radius: 14px;
  box-shadow: 0 10px 28px rgba(0,0,0,0.18);
  object-fit: cover;
}

/* SERVICES */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.service-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 18px rgba(0,0,0,0.08);
  padding-bottom: 20px;
  overflow: hidden;
  text-align: center;
  transition: 0.25s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 26px rgba(0,0,0,0.12);
}

.service-card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
}

.service-card h3 {
  font-size: 18px;
  margin: 15px 0;
  padding: 0 10px;
  color: #0d86ad;
  min-height: 48px;
}

.service-btn {
  background: #d9531e;
  color: white;
  padding: 10px 28px;
  border-radius: 6px;
  text-decoration: none;
  display: inline-block;
  font-weight: bold;
  transition: 0.25s;
}

.service-btn:hover {
  background: #b84216;
}

/* FORM */
form input, form textarea {
  width: 100%;
  padding: 14px;
  border: 1px solid #ccc;
  border-radius: 6px;
  margin-bottom: 15px;
}

button {
  padding: 14px 32px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
}

button:hover {
  background: var(--primary-dark);
}

/* FOOTER */
footer {
  text-align: center;
  padding: 40px;
  background: #f1f1f1;
  margin-top: 50px;
}

/* RESPONSIVE */
@media (max-width: 850px) {
  header {
    grid-template-columns: 1fr auto; /* Logo + hamburger */
  }

  nav {
    display: none;
  }

  .hamburger {
    display: block;
  }

  .lang-switch {
    display: none; /* Mobilde gizle */
  }

  .about-section {
    grid-template-columns: 1fr;
  }
}

/* FIX: Publications alignment */
.container > h2:not(.section-title),
.container > h3 {
    margin-left: 0 !important;
    padding-left: 0 !important;
}
/* HOME ABOUT SECTION */
.home-about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    padding: 70px 40px;
    max-width: 1200px;
    margin: auto;
}

.home-about-left h2 {
    font-size: 32px;
    color: #0d86ad;
    margin-bottom: 20px;
    font-weight: 700;
}

.home-about-left p {
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 18px;
    color: #333;
}

.cta-btn {
    display: inline-block;
    background: #0d86ad;
    padding: 12px 30px;
    color: #fff;
    font-weight: bold;
    border-radius: 6px;
    text-decoration: none;
    transition: 0.25s ease;
}

.cta-btn:hover {
    background: #0a6e8f;
}

.home-about-right img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    object-fit: cover;
}

/* MOBILE */
@media (max-width: 850px) {
    .home-about {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .home-about-right img {
        max-width: 90%;
        margin: auto;
    }
}
/* CTA SECTION */
.cta-section {
    position: relative;
    width: 100%;
    height: 60vh;
    background: url("../img/cta-bg.jpg") center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    margin-top: 60px;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 60, 90, 0.55);
    backdrop-filter: blur(2px);
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 20px;
}

.cta-content h2 {
    font-size: 48px;
    line-height: 1.2;
    font-weight: 600;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    background: #0091cc;
    padding: 14px 32px;
    border-radius: 10px;
    color: white;
    text-decoration: none;
    font-size: 20px;
    font-weight: 600;
    transition: 0.3s;
}

.cta-button:hover {
    background: #0074a3;
}

/* Mobile */
@media (max-width: 768px) {
    .cta-section {
        height: 50vh;
    }

    .cta-content h2 {
        font-size: 32px;
    }

    .cta-button {
        font-size: 18px;
        padding: 12px 24px;
    }
}
