/* BASE — SMALL MOBILE (0–424px) */

.header-container {
  width: 100%;
  position: relative;
}

.header {
  width: 100%;
  padding: 34px 9px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Hamburger */
.hamburger-menu {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  z-index: 1000;
  width: 48px;
  height: 48px;
  padding: 12px;
  justify-content: center;
  align-items: center;
  gap: 3px;
}

.hamburger-line {
  width: 20px;
  height: 2px;
  background-color: #00338d;
  transition: all 0.3s ease;
}

.hamburger-menu.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(1px, 5px);
}

.hamburger-menu.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger-menu.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(2px, -6px);
}

/* Logo */
.logo {
  position: absolute;
  left: 38%;
  width: 85px;
  height: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Vector */
.vector-image {
  position: absolute;
  right: 0;
  top: 0;
  width: 105px;
  height: auto;
}

.vector-image img {
  width: 100%;
  height: auto;
}

/* Mobile Nav */
.nav {
  position: fixed;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100vh;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 80px 20px 20px;
  gap: 20px;
  transition: left 0.3s ease;
  z-index: 999;
}

.nav.active {
  left: 0;
}

.nav-link {
  font-size: 18px;
  color: #00338d;
  text-decoration: none;
  text-align: center;
  width: auto;
  padding: 0;
  display: inline-flex;
}

/* Prevent scroll when menu open */
body.menu-open {
  overflow: hidden;
  height: 100vh;
}

/* MEDIUM MOBILE (≥ 425px) */

@media (min-width: 425px) {
  .header {
    padding: 36px 10px 0;
  }

  .vector-image {
    width: 105px;
  }
}

/* LARGE MOBILE / SMALL TABLET (≥ 640px) */

@media (min-width: 640px) {
  .header {
    padding: 40px 20px 0;
  }
}

/* TABLET (≥ 768px) */

@media (min-width: 768px) {
  .header {
    padding: 35px 42px 0;
  }

  .hamburger-menu {
    display: none;
  }

  .logo {
    position: static;
    width: 90px;
    height: 65px;
  }

  .nav {
    position: absolute;
    inset: auto;
    left: 50%;
    transform: translateX(-50%);
    width: 338px;
    height: 47px;
    flex-direction: row;
    justify-content: space-between;
    background-color: #00338d;
    padding: 0 36px;
    border-radius: 15px;
  }

  .nav-link {
    color: #fff;
    font-family: "Noto Sans", sans-serif;
    font-size: 13px;
    cursor: pointer;
    text-decoration: none;
    width: auto;
    padding: 0;
    display: inline-flex;
  }

  .vector-image {
    width: 180px;
  }
}

/* DESKTOP (≥ 1024px) */

@media (min-width: 1024px) {
  .header {
    padding: 30px 48px 0;
  }

  .logo {
    width: 100px;
    height: 73px;
  }

  .nav {
    width: 425px;
    padding: 0 40px;
  }

  .nav-link {
    font-size: 14px;
    width: auto;
    padding: 0;
    display: inline-flex;
  }

  .vector-image {
    width: 222px;
  }
}

/* LARGE DESKTOP (≥ 1280px) */

@media (min-width: 1280px) {
  .header {
    padding: 45px 160px 0;
  }

  .nav {
    height: 47px;
    padding: 0 40px;
  }

  .vector-image {
    width: 335px;
  }
}