/* ══════════════════════════════════════════
   Orthomoleculairtherapeut.com — Shared CSS
   Header, Footer, Nav, Dropdown, Hamburger
   ══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --deep: #1B4332;
  --mid: #2D6A4F;
  --acc: #52B788;
  --pale: #D8F3DC;
  --cream: #F5F0E8;
  --ivory: #FAFAF5;
  --charcoal: #0F1F18;
  --muted: #4A6358;
  --border: #C8DDD2;
  --warn: #E07B4C;
  --warn-bg: #FEF3ED;
  --info: #3B82C4;
  --info-bg: #EEF4FB;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  background: var(--ivory);
  color: var(--charcoal);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

h1, h2, h3 {
  font-family: 'DM Serif Display', Georgia, serif;
  color: var(--deep);
  line-height: 1.2;
}

/* ── Header ── */
.site-header {
  padding: 20px clamp(20px, 5vw, 80px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(250,250,245,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
}

.site-header__logo {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--deep);
  letter-spacing: .03em;
}

.site-header__logo span { color: var(--acc); }

.site-header__nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

.site-header__nav > a:not(.site-header__cta),
.site-header__nav > .nav-dropdown > .nav-dropdown__trigger {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  transition: color .15s;
}

.site-header__nav > a:not(.site-header__cta):hover { color: var(--deep); }

.site-header__cta {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: #fff;
  background: var(--deep);
  padding: 10px 22px;
  border-radius: 3px;
  transition: background .2s;
}

.site-header__cta:hover { background: var(--mid); }

/* ── Hamburger ── */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 101;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--deep);
  margin: 5px 0;
  transition: all .3s;
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Nav Dropdown ── */
.nav-dropdown {
  position: relative;
}

.nav-dropdown__trigger {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  transition: color .15s;
  cursor: pointer;
}

.nav-dropdown__trigger:hover { color: var(--deep); }

.nav-dropdown__arrow {
  font-size: 10px;
  margin-left: 2px;
  display: inline-block;
  transition: transform .2s;
}

.nav-dropdown:hover .nav-dropdown__arrow {
  transform: rotate(180deg);
}

.nav-dropdown__menu {
  display: none;
  position: absolute;
  top: 100%;
  left: -16px;
  margin-top: 0;
  padding-top: 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(15,31,24,.1);
  padding-bottom: 8px;
  min-width: 240px;
  z-index: 200;
}

.nav-dropdown__menu--mega {
  min-width: 420px;
  right: auto;
  left: -16px;
}

.nav-dropdown__columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.nav-dropdown__columns--4 {
  grid-template-columns: repeat(4, 1fr);
  gap: 0 16px;
}

.nav-dropdown__menu--mega:has(.nav-dropdown__columns--4) {
  min-width: 780px;
}

.nav-dropdown__col {
  padding: 4px 0;
}

.nav-dropdown__col:first-child {
  border-right: 1px solid var(--border);
  padding-right: 8px;
}

.nav-dropdown__columns--4 .nav-dropdown__col {
  border-right: 1px solid var(--border);
  padding-right: 12px;
}

.nav-dropdown__columns--4 .nav-dropdown__col:last-child {
  border-right: none;
}

.nav-dropdown__columns .nav-dropdown__group-title {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 2px 0 6px;
  margin-bottom: 4px;
  border-bottom: 1px solid rgba(0,0,0,.04);
}

.nav-dropdown:hover .nav-dropdown__menu {
  display: block;
}

.nav-dropdown__heading {
  display: block;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 700;
  color: var(--deep);
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}

.nav-dropdown__heading:hover {
  background: var(--pale);
}

.nav-dropdown__group {
  padding: 4px 0;
}

.nav-dropdown__group-title {
  display: block;
  padding: 6px 20px 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--acc);
  transition: color .15s;
}

a.nav-dropdown__group-title:hover {
  color: var(--deep);
}

.nav-dropdown__menu a {
  display: block;
  padding: 6px 20px;
  font-size: 13px;
  color: var(--muted);
  transition: all .1s;
}

.nav-dropdown__menu a:hover {
  background: var(--pale);
  color: var(--deep);
}

/* ── Footer ── */
.site-footer {
  background: var(--charcoal);
  padding: 40px clamp(20px, 5vw, 80px);
  text-align: center;
}

.site-footer p {
  font-size: 13px;
  color: rgba(255,255,255,.3);
  margin-bottom: 8px;
}

.site-footer a {
  color: rgba(255,255,255,.5);
  transition: color .15s;
}

.site-footer a:hover { color: rgba(255,255,255,.9); }

/* ── Header search ── */
.header-search {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  max-width: 260px;
  margin-right: 10px;
}

.header-search__form {
  display: flex;
  gap: 0;
  width: 100%;
}

.header-search__input {
  flex: 1;
  min-width: 0;
  padding: 8px 12px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 13px;
  border: 1px solid var(--border);
  border-right: none;
  border-radius: 4px 0 0 4px;
  background: #fff;
  color: var(--charcoal);
  outline: none;
}

.header-search__input:focus {
  border-color: var(--acc);
}

.header-search__btn {
  padding: 10px 14px;
  background: var(--deep);
  border: 1px solid var(--deep);
  border-radius: 0 4px 4px 0;
  cursor: pointer;
  display: flex;
  align-items: center;
}

.header-search__btn svg {
  stroke: #fff;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hamburger { display: block; }

  .site-header {
    flex-wrap: wrap;
  }

  .site-header__nav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    margin-top: 16px;
  }

  /* Make mobile nav scrollable */
  .site-header__nav.open {
    display: flex;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .site-header__nav > a,
  .site-header__nav > .nav-dropdown > .nav-dropdown__trigger {
    padding: 14px 0;
    min-height: 44px;
    border-bottom: 1px solid var(--border);
    font-size: 16px;
    display: block;
  }

  .site-header__nav > a:last-child { border-bottom: none; }

  .site-header__cta {
    margin-top: 8px;
    text-align: center;
    display: block;
  }

  .nav-dropdown__menu {
    position: static;
    box-shadow: none;
    border: none;
    border-radius: 0;
    margin-top: 0;
    padding-top: 0;
    min-width: 0;
    padding-bottom: 0;
    padding-left: 16px;
    border-left: 2px solid var(--border);
    margin-left: 4px;
    background: transparent;
  }

  .nav-dropdown__menu--mega { min-width: 0; }
  .nav-dropdown__menu--mega:has(.nav-dropdown__columns--4) { min-width: 0; }

  .nav-dropdown__columns,
  .nav-dropdown__columns--4 {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .nav-dropdown__col:first-child,
  .nav-dropdown__columns--4 .nav-dropdown__col {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding-right: 0;
    padding-bottom: 8px;
    margin-bottom: 4px;
  }

  .nav-dropdown__columns--4 .nav-dropdown__col:last-child {
    border-bottom: none;
  }

  .nav-dropdown:hover .nav-dropdown__menu {
    display: none;
  }

  .nav-dropdown .nav-dropdown__menu {
    display: none;
  }

  .nav-dropdown.mobile-open .nav-dropdown__menu {
    display: block;
  }

  .nav-dropdown__heading {
    border-bottom: none;
    margin-bottom: 0;
    padding: 6px 12px;
  }

  .nav-dropdown__group-title {
    padding: 6px 12px 4px;
  }

  .nav-dropdown.mobile-open > .nav-dropdown__trigger .nav-dropdown__arrow {
    transform: rotate(180deg);
  }

  .nav-dropdown__menu a {
    padding: 6px 12px;
  }

  /* On mobile, hide individual substance links in mega menu, only show group titles */
  .nav-dropdown__menu--mega .nav-dropdown__col a:not(.nav-dropdown__group-title):not(.nav-dropdown__heading) {
    display: none;
  }

  /* But show the "Alle X →" links */
  .nav-dropdown__menu--mega .nav-dropdown__col a[href*="-gids"] {
    display: block;
    font-size: 13px;
    padding: 6px 12px;
  }

  /* Regular dropdowns (Tools, Over) show all items with proper tap targets */
  .nav-dropdown__menu:not(.nav-dropdown__menu--mega) a {
    padding: 10px 12px;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  /* Header search — visible on mobile */
  .header-search {
    display: block;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
  }
}