/* ================================
          HEADER
================================ */

.header {
  width: 100%;
  min-height: clamp(70px, 5vw, 100px);
  display: flex;
  align-items: center;
  padding: 0 clamp(25px, 3vw, 60px);
  background: var(--white);
  position: relative;
  z-index: 1000;
}

.header-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.logo img {
  width: clamp(100px, 7vw, 145px);
  height: auto;
  display: block;
}

.brand-divider {
  width: 2px;
  height: 68px;
  background: var(--accent);
  margin: 0 30px;
  transform: rotate(28deg);
  transform-origin: center;
  flex: 0 0 2px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: var(--font-10);
  font-weight: 400;
  letter-spacing: 4px;
  line-height: 1;
  color: var(--dark-grey);
  flex-shrink: 0;
}

.header-line {
  height: 2px;
  background: var(--accent);
  flex: 1 1 auto;
  min-width: 20px;
  margin: 0 40px;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2vw, 36px);
  margin-left: auto;
  flex-shrink: 0;
}

.nav > a,
.dropdown-btn {
  position: relative;
  font-family: inherit;
  font-size: clamp(13px, 0.9vw, 16px);
  font-weight: 500;
  letter-spacing: 1.5px;
  color: var(--black);
  text-decoration: none;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.22s ease;
}

.nav > a:hover,
.dropdown-btn:hover,
.nav > a:focus-visible,
.dropdown-btn:focus-visible {
  opacity: 0.5;
}

.nav > a::after,
.dropdown-btn::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -7px;
  width: 0;
  height: 1px;
  background: var(--black);
  transition: width 0.24s ease;
}

.nav > a:hover::after,
.dropdown-btn:hover::after,
.nav > a:focus-visible::after,
.dropdown-btn:focus-visible::after,
.nav > a.active::after,
.dropdown-btn.active::after {
  width: 100%;
}

.nav > a.active,
.dropdown-btn.active {
  opacity: 1;
}

.dropdown {
  position: relative;
  padding: 12px 0;
  margin: -12px 0;
  flex-shrink: 0;
}

.dropdown-btn {
  display: flex;
  align-items: center;
  gap: 7px;
}

.arrow {
  font-size: 13px;
  position: relative;
  top: -1px;
  transition: transform 0.22s ease;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  background: var(--white);
  border-top: 1px solid var(--black);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.07);
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.18s ease,
    visibility 0.18s ease;
  z-index: 9999;
}

.dropdown:hover .dropdown-menu,
.dropdown.active .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.dropdown:hover .arrow,
.dropdown.active .arrow,
.dropdown:focus-within .arrow {
  transform: rotate(180deg);
}

.dropdown-menu a {
  display: block;
  padding: 12px 20px;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--black);
  text-decoration: none;
  transition:
    background-color 0.18s ease,
    padding-left 0.18s ease;
}

.dropdown-menu a:hover,
.dropdown-menu a:focus-visible,
.dropdown-menu a.active {
  background: var(--off-white);
  padding-left: 25px;
}

/* SOCIAL DIVIDER + ICONS ARE ONE UNBREAKABLE GROUP */

.social-section {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 0 0 auto;
  white-space: nowrap;
}

.social-divider {
  width: 2px;
  height: 31px;
  background: var(--accent);
  transform: rotate(28deg);
  transform-origin: center;
  flex: 0 0 2px;
  margin: 0 5px;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 0 0 auto;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  color: var(--black);
  text-decoration: none;
  transition: opacity 0.22s ease;
}

.social-links svg {
  display: block;
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.social-links a:hover,
.social-links a:focus-visible {
  opacity: 0.5;
}

/* KEYBOARD FOCUS */

.nav a:focus-visible,
.dropdown-btn:focus-visible,
.dropdown-menu a:focus-visible,
.social-links a:focus-visible,
.logo:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
}

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

@media (max-width: 1200px) {
  .header {
    padding: 0 24px;
  }

  .header-line {
    margin: 0 25px;
  }

  .nav {
    gap: 25px;
  }

  .brand-text {
    letter-spacing: 3px;
  }

  .brand-divider {
    margin: 0 24px;
  }
}

@media (max-width: 1050px) {
  .header-line {
    margin: 0 18px;
  }

  .nav {
    gap: 18px;
  }

  .social-section {
    gap: 10px;
  }

  .social-links {
    gap: 11px;
  }

  .social-links a {
    width: 19px;
    height: 19px;
    flex-basis: 19px;
  }
}

@media (max-width: 950px) {
  .brand-text {
    display: none;
  }

  .header {
    justify-content: space-between;
  }

  .nav {
    gap: 20px;
  }
}

@media (max-width: 760px) {
  .header {
    min-height: 72px;
    padding: 14px 20px;
    flex-wrap: wrap;
    gap: 14px;
  }

  .logo img {
    width: 105px;
  }

  .brand-divider,
  .header-line {
    display: none;
  }

  .nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 18px;
    margin-left: 0;
  }

  .dropdown-menu {
    left: 0;
    transform: none;
  }

  .social-section {
    flex: 0 0 auto;
  }
}

@media (max-width: 560px) {
  .header {
    padding: 14px 16px;
  }

  .nav {
    gap: 14px;
  }

  .nav > a,
  .dropdown-btn {
    font-size: 12px;
    letter-spacing: 1.2px;
  }

  .social-section {
    gap: 8px;
  }

  .social-divider {
    height: 25px;
    margin: 0 3px;
  }

  .social-links {
    gap: 10px;
  }

  .social-links a {
    width: 18px;
    height: 18px;
    flex-basis: 18px;
  }

  .dropdown-menu {
    min-width: 200px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav > a,
  .dropdown-btn,
  .nav > a::after,
  .dropdown-btn::after,
  .arrow,
  .dropdown-menu,
  .dropdown-menu a,
  .social-links a {
    transition: none;
  }
}