/* Start Header Section */
header {
  height: calc(100vh - 22px);
  background-size: cover;
  background: url("../img/bg/15.jpg") fixed bottom;
  padding: 20px 70px;
  position: relative;
}

header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5); /* Yarı şeffaf koyu arka plan */
  z-index: 1; /* Arka planda kalacak */
}

/* Navbar Styling */
header nav {
  position: fixed;
  top: 0;
  padding: 20px 20px 20px;
  z-index: 20;
}

header nav .toggle {
  display: none;
  position: fixed;
  top: 20px;
  left: 20px;
  background-color: transparent;
  border: none;
  padding: 0;
  z-index: 22;
  cursor: pointer;
}

header nav .toggle:focus {
  outline: none;
}

header nav .toggle span {
  display: block;
  width: 30px;
  height: 2px;
  border-radius: 40px;
  background-color: var(--color-primary);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

header nav .toggle span:not(:last-of-type) {
  margin-bottom: 6px;
}

/* X animasyonu */
header nav .toggle.active .first {
  transform: translateY(8px) rotate(-45deg);
}

header nav .toggle.active .middle {
  opacity: 0;
  transform: scaleX(0);
}

header nav .toggle.active .last {
  transform: translateY(-8px) rotate(45deg);
}

/* Logo Section */
header nav .logo {
  flex-basis: 56%;
  padding-left: 10px;
}

header nav .logo img {
  width: 280px;
  height: auto;
  max-width: 100%;
}

/* Navbar Styling for Opened State */
header .navigation-bar.show {
  background-color: rgba(0, 0, 0, 0.9); /* Koyu arka plan rengi */
}

header .navigation-bar.show a {
  color: var(--color-primary) !important; /* Menüdeki linkler için açık renk */
}

header .navigation-bar.show a:hover {
  color: var(--color-primary) !important; /* Menüdeki linkler üzerine gelindiğinde */
}

header .navigation-bar ul li {
  flex: 1;
  padding: 0 10px;
}

header .navigation-bar a {
  text-decoration: none;
  transition: all 0.5s;
  font-size: 16px;
  color: var(--color-secondary);
}

header nav.active .navigation-bar a {
  color: var(--color-primary);
}

/* Underline Effect for Navbar */
header .navigation-bar .underline {
  height: 2px;
  width: 0;
  left: 50%;
  bottom: -4px;
  transition: all 0.3s;
  display: block;
  background-color: var(--color-primary);
}

/* Main Header Text Styling */
header .text {
  position: relative;
  top: 55%;
  color: var(--color-secondary);
  z-index: 2; /* İçerik arka planın üstünde olacak */
}

header .text h1 {
  margin-bottom: 0;
  color: var(--color-secondary);
}

/* Arrow Styling */
header .text .arrow .left,
header .text .arrow .right {
  height: 3px;
  width: 190px;
  background-color: var(--color-secondary);
}

header .text .arrow .left {
  left: -4%;
}

header .text .arrow .right {
  right: -4%;
}

header .text .arrow .left:after,
header .text .arrow .right:after {
  content: '';
  border: 10px solid transparent;
  border-left-color: var(--color-secondary);
  top: -8px;
}

header .text .arrow .right:after {
  right: 0;
  border-color: transparent var(--color-secondary) transparent transparent;
}

header .text .arrow .fa-asterisk {
  vertical-align: super;
  color: var(--color-primary);
}

/* Subtext Styling */
header .text span {
  font-family: "Source Code Pro", sans-serif;
  font-size: 15px;
  margin-bottom: 12px;
  color: var(--color-secondary);
}

/* Button and Form Styling */
header .text .button button,
header .text .button .btn-menu,
.contact form button {
  border: none;
  padding: 9px 18px;
  letter-spacing: 2.4px;
  font-size: 12px;
  font-family: source_sans_problack, sans-serif;
  border-radius: 3px;
  background-color: var(--color-primary);
  color: var(--color-secondary);
  text-decoration: none;
  display: inline-block;
  cursor: pointer;
}

/* Focus State Styling for Button */
header .text .button button:focus,
header .text .button .btn-menu:focus,
.contact form button:focus {
  outline: none;
  background-color: var(--color-secondary);
  color: var(--color-primary);
}

/* SVG and Arrow Styling */
header .svg-down {
  bottom: 0;
  left: 50%;
  z-index: 5;
  margin-left: -96px;
  margin-bottom: -12px;
  color: var(--color-secondary);
}

header .arrow-down {
  width: 70px;
  height: 50px;
  bottom: -10px;
  left: 50%;
  transform: translate(-50%, 0);
  z-index: 10;
  background: url("../img/logo/arrow-down.png") no-repeat center;
  animation: arrow-bounce 1s infinite;
}

/* Arrow Bounce Animation */
@keyframes arrow-bounce {
  0%, 100% {
    transform: translate(-50%, 0); 
  }
  50% {
    transform: translate(-50%, 10px);
  }
}


/* End Header Section */