/* ===== HEADER ROOT VARIABLES ===== */
:root {
  --header-bg: #ffffff;
  --header-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --primary-color: #03503d;
  --primary-light: #045a47;
  --text-dark: #000000;
  --text-gray: #333333;
  --hover-color: #4788bb;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== HEADER CONTAINER ===== */
.header-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background: white;
  z-index: 1000;
  padding: 15px 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

/* Scroll ile küçülme efekti */
.header-container.scrolled {
  padding: 10px 50px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

/* ===== LOGO ===== */
.logo-contaıner {
  display: flex;
  align-items: center;
}

.logo-contaıner a {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo {
  height: 150px;
  width: auto;
  transition: var(--transition);
  cursor: pointer;
}

.logo:hover {
  transform: scale(1.1);
  filter: brightness(1.1);
}

/* ===== HAMBURGER MENU ===== */
.hamburger {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--text-dark);
  background: transparent;
  border: none;
  padding: 8px 12px;
  transition: var(--transition);
  z-index: 1001;
}

.hamburger:hover {
  color: var(--hover-color);
  transform: scale(1.1);
}

/* ===== NAVIGATION MENU ===== */
.menu {
  display: flex;
  align-items: center;
  gap: 30px;
  transition: var(--transition);
}

.menu a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  font-size: 1.2rem;
  position: relative;
  transition: var(--transition);
  padding: 8px 0;
}

/* Hover underline effect */
.menu a:not(.btn-primary-lg)::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--hover-color);
  transition: width 0.3s ease;
}

.menu a:not(.btn-primary-lg):hover::after {
  width: 100%;
}

.menu a:not(.btn-primary-lg):hover {
  color: var(--hover-color);
  transform: translateY(-2px);
}

/* ===== PRIMARY BUTTONS ===== */
.btn-primary-lg {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  color: #ffffff !important;
  padding: 10px 24px;
  border-radius: 20px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(3, 80, 61, 0.3);
  transition: var(--transition);
  border: 7px solid transparent;
}

.btn-primary-lg:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(3, 80, 61, 0.4);
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
}

.btn-primary-lg::after {
  display: none;
}

.btn-secondary-lg {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  color: #ffffff !important;
  padding: 10px 24px;
  border-radius: 20px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(3, 80, 61, 0.3);
  transition: var(--transition);
  border: 7px solid transparent;
}

.btn-secondary-lg:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(3, 80, 61, 0.4);
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
}

.btn-secondary-lg::after {
  display: none;
}


/* Giriş Yap butonu - outline style */
.menu a:last-child.btn-primary-lg {
  background: transparent;
  color: var(--primary-color) !important;
  border: 2px solid var(--primary-color);
  box-shadow: none;
}

.menu a:last-child.btn-primary-lg:hover {
  background: var(--primary-color);
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(3, 80, 61, 0.3);
}

/* ===== RESPONSIVE TASARIM ===== */

/* Tablet (992px ve altı) */
@media (max-width: 992px) {
  .header-container {
    padding: 15px 30px;
  }
  
  .menu {
    gap: 20px;
  }
  
  .menu a {
    font-size: 0.95rem;
  }
  
  .btn-primary-lg {
    padding: 8px 20px;
    font-size: 0.9rem;
  }
}

/* Mobile Menu (768px ve altı) */
@media (max-width: 768px) {
  .header-container {
    padding: 12px 20px;
  }
  
  /* Hamburger'ı göster */
  .hamburger {
    display: block;
  }
  
  /* Menu'yu gizle ve full-screen yap */
  .menu {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 100%;
    max-width: 350px;
    background: var(--header-bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 30px;
    padding: 40px 20px;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.2);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
  }
  
  /* Menu açıldığında */
  .menu.show {
    right: 0;
  }
  
  /* Menu linkleri dikey */
  .menu a {
    font-size: 1.2rem;
    width: 100%;
    text-align: center;
    padding: 12px 0;
  }
  
  /* Underline effect kaldır, full-width yap */
  .menu a:not(.btn-primary-lg)::after {
    display: none;
  }
  
  .menu a:not(.btn-primary-lg):hover {
    background: rgba(71, 136, 187, 0.1);
    border-radius: 8px;
    transform: translateX(0);
  }
  
  /* Buttonlar full-width */
  .btn-primary-lg {
    width: 80%;
    text-align: center;
    padding: 12px 24px;
    font-size: 1rem;
  }
  
  /* Logo küçült */
  .logo {
    height: 80px;
  }
  
 
}

/* Extra Small Mobile (576px ve altı) */
@media (max-width: 576px) {
  .header-container {
    padding: 10px 15px;
  }
  
  .menu {
    max-width: 100%;
    width: 100%;
  }
  
  .menu a {
    font-size: 1.1rem;
  }
  
  .btn-primary-lg {
    width: 90%;
    padding: 14px 24px;
  }
  
  .logo {
    height: 100px;
  }
  
  .hamburger {
    font-size: 1.6rem;
  }
}

/* ===== ANIMASYONLAR ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Menu açılırken linkler sırayla görünsün */
.menu.show a {
  animation: slideInRight 0.4s ease forwards;
  opacity: 0;
}

.menu.show a:nth-child(1) { animation-delay: 0.1s; }
.menu.show a:nth-child(2) { animation-delay: 0.15s; }
.menu.show a:nth-child(3) { animation-delay: 0.2s; }
.menu.show a:nth-child(4) { animation-delay: 0.25s; }
.menu.show a:nth-child(5) { animation-delay: 0.3s; }
.menu.show a:nth-child(6) { animation-delay: 0.35s; }
.menu.show a:nth-child(7) { animation-delay: 0.4s; }

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ===== ACTIVE LINK ===== */
.menu a.active:not(.btn-primary-lg) {
  color: var(--hover-color);
  font-weight: 600;
}

.menu a.active:not(.btn-primary-lg)::after {
  width: 100%;
}

/* ===== SCROLL BEHAVIOR ===== */
html {
  scroll-behavior: smooth;
}

/* Body'ye padding ekle (header için) */
body {
  padding-top: 80px;
}

/* ===== ACCESSIBILITY ===== */
.menu a:focus,
.hamburger:focus,
.logo:focus {
  outline: 2px solid var(--hover-color);
  outline-offset: 4px;
  border-radius: 4px;
}

/* ===== PRINT STİLİ ===== */
@media print {
  .header-container {
    position: relative;
    box-shadow: none;
    border-bottom: 1px solid #ccc;
  }
  
  .hamburger {
    display: none;
  }
  
  .menu {
    display: flex !important;
  }
  
  .btn-primary-lg {
    display: none;
  }
}