/* Navigation */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 0;
  transition: all 0.3s;
  background-color: var(--color-warm-white);
  border-bottom: 1px solid var(--border-light);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--space-md);
  height: 60px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-main {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.logo-sub {
  font-family: var(--font-technical);
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 0.1em;
  padding-left: 8px;
  border-left: 1px solid var(--border-light);
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  gap: var(--space-md);
  height: 100%;
  align-items: stretch;
  margin-left: clamp(20px, 4vw, 56px);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex: 0 0 auto;
}

.nav-utilities {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 18px;
}

.nav-icon-btn {
  position: relative;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: white;
  color: var(--color-primary);
  font-size: 18px;
  transition: border-color 0.2s, background-color 0.2s, color 0.2s;
}

.nav-icon-btn:hover {
  border-color: var(--color-accent);
  background: rgba(255, 69, 0, 0.06);
  color: var(--color-accent);
}

.nav-icon-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-icon-count {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--color-accent);
  color: var(--color-warm-white);
  font-family: var(--font-technical);
  font-size: 10px;
  line-height: 18px;
  text-align: center;
}

.nav-item {
  position: relative;
  height: 100%;
}

.nav-link {
  font-family: var(--font-technical);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  height: 100%;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s;
}

.nav-link:hover {
  border-bottom-color: var(--color-primary);
}

.nav-item:hover .nav-link,
.nav-item:focus-within .nav-link {
  border-bottom-color: var(--color-primary);
}

.nav-link-caret {
  font-size: 10px;
  opacity: 0.7;
  margin-left: 6px;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% - 1px);
  left: 50%;
  min-width: min(720px, calc(100vw - 32px));
  max-width: calc(100vw - 32px);
  background: rgba(245, 245, 243, 0.98);
  border: 1px solid var(--border-light);
  box-shadow: 0 24px 60px rgba(26, 10, 0, 0.12);
  padding: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(10px);
  transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
  pointer-events: none;
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.nav-dropdown-column {
  display: grid;
  gap: 8px;
  align-content: start;
}

.nav-dropdown-label {
  font-family: var(--font-technical);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-light);
}

.nav-dropdown-link {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(17, 17, 17, 0.06);
  font-size: 13px;
  color: var(--color-text-main);
}

.nav-dropdown-link span:last-child {
  color: var(--color-text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.nav-cta {
  background-color: var(--color-accent);
  color: var(--color-warm-white);
  padding: 0 20px;
  height: 100%;
  font-family: var(--font-technical);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background-color 0.2s;
}

.nav-cta:hover {
  background-color: var(--color-primary);
}

.has-utility-nav .nav-cta {
  display: none;
}

/* Mobile Nav */
.hamburger {
  display: none;
  cursor: pointer;
  z-index: 1100;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-light);
  background: white;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  padding: 0;
  margin-left: 2px;
  transition: border-color 0.2s, background-color 0.2s;
}

.hamburger div {
  width: 18px;
  height: 2px;
  background-color: var(--color-primary);
  transition: all 0.3s;
}

.hamburger:hover {
  border-color: var(--color-accent);
  background: rgba(255, 69, 0, 0.06);
}

.hamburger.active div:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

.hamburger.active div:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-nav-overlay {
  position: fixed;
  top: 60px;
  right: 0;
  width: 100%;
  height: calc(100dvh - 60px);
  background-color: var(--color-warm-white);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  z-index: 1050;
  padding: 28px 24px 40px;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  text-align: left;
  width: min(100%, 420px);
  margin: 0 auto;
}

.mobile-link {
  font-family: var(--font-display);
  font-size: clamp(24px, 8vw, 32px);
  font-weight: 600;
  text-transform: uppercase;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
}

@media (max-width: 1024px) {
  .nav-links, .nav-cta {
    display: none;
  }
  .nav-container {
    justify-content: flex-start;
  }
  .nav-logo {
    flex: 1 1 auto;
    min-width: 0;
  }
  .nav-actions {
    gap: 6px;
  }
  .nav-utilities {
    gap: 6px;
    padding-left: 0;
  }
  .nav-icon-btn {
    width: 34px;
    height: 34px;
  }
  .nav-icon-btn svg {
    width: 15px;
    height: 15px;
  }
  .hamburger {
    display: inline-flex;
    width: 34px;
    height: 34px;
    gap: 3px;
    margin-left: 0;
  }
  .hamburger div {
    width: 14px;
  }
  .nav-utilities .nav-icon-btn:first-child {
    display: none;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 12px;
  }

  .nav-logo {
    gap: 6px;
  }

  .logo-main {
    font-size: 18px;
  }

  .logo-sub {
    font-size: 9px;
    padding-left: 6px;
  }
}

@media (max-width: 380px) {
  .logo-sub {
    display: none;
  }
}

@media (max-width: 640px) {
  .nav-container {
    gap: 8px;
    padding: 0 12px;
  }

  .nav-logo {
    min-width: 0;
    gap: 6px;
  }

  .logo-main {
    font-size: 16px;
  }

  .logo-sub {
    font-size: 8px;
    padding-left: 6px;
    letter-spacing: 0.08em;
  }

  .nav-utilities {
    gap: 6px;
    padding-left: 0;
  }

  .nav-icon-count {
    top: -5px;
    right: -5px;
    min-width: 16px;
    height: 16px;
    font-size: 9px;
    line-height: 16px;
  }

  .hamburger.active div:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
  }

  .hamburger.active div:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
  }
}