/* ═══════════════════════════════════════════════════
   DDM Researcher Directory — Stylesheet
   Edit this file to change colours, fonts, spacing.
   ═══════════════════════════════════════════════════ */

/* ── FRUTIGER NEUE LT PRO — Web Fonts ── */
@font-face {
  font-family: 'Frutiger';
  src: url('../assets/fonts/FrutigerNeueLTPro-Book.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Frutiger';
  src: url('../assets/fonts/FrutigerNeueLTPro-Light.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Frutiger';
  src: url('../assets/fonts/FrutigerNeueLTPro-Regular.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Frutiger';
  src: url('../assets/fonts/FrutigerNeueLTPro-Bold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Frutiger', 'Frutiger Neue LT Pro', Arial, sans-serif;
  font-weight: 400;
  background: #f5f5f3;
  color: #1a1a1a;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  font-size: 18px;
}

.inner {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 4px;
  padding-right: 4px;
}

/* ── HEADER ── */
.header { background: white; }
.header .inner {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-top: 18px;
  padding-bottom: 18px;
}
.unibe-logo img { height: 76px; width: auto; display: block; }

/* ── BREADCRUMB ── */
.breadcrumb { background: #f5f4f2; border-bottom: none; }
.breadcrumb .inner {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 22px;
  padding-bottom: 22px;
  font-size: 15px;
  font-weight: 500;
  color: #888;
  letter-spacing: 0.01em;
}
.breadcrumb .faculties {
  font-size: 15px;
  color: #888;
  font-weight: 500;
  line-height: 1.45;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.15s;
}
.breadcrumb .faculties:hover { color: #C8102E; }
.breadcrumb .arrow { color: #C8102E; font-size: 11px; flex-shrink: 0; }
.breadcrumb .crumb {
  color: #888;
  font-weight: 500;
  font-size: 15px;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.15s;
}
.breadcrumb .crumb:hover { color: #C8102E; }
.breadcrumb .current { color: #C8102E; font-weight: 500; font-size: 15px; white-space: nowrap; text-decoration: none; transition: opacity 0.15s; }
.breadcrumb .current:hover { opacity: 0.75; }

/* ── PAGE TITLE ── */
.page-title { background: white; }
.page-title .inner { padding-top: 32px; padding-bottom: 28px; }
.page-title h1 {
  font-size: 40px;
  font-weight: 300;
  color: #1a1a1a;
  letter-spacing: 0.01em;
  font-synthesis: none;
}

/* ── HAMBURGER BUTTON — hidden on desktop ── */
.hamburger {
  display: none;
  background: #2e7d2e;
  border: none;
  cursor: pointer;
  padding: 14px 18px;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  color: white;
  font-family: inherit;
  font-size: 17px;
  font-weight: 400;
  letter-spacing: 0.03em;
}
.hamburger-icon {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
}
.hamburger-icon span {
  display: block;
  width: 22px;
  height: 2px;
  background: white;
  transition: all 0.25s;
  transform-origin: center;
}
.hamburger.open .hamburger-icon span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open .hamburger-icon span:nth-child(2) { opacity: 0; }
.hamburger.open .hamburger-icon span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── GREEN NAV — constrained ── */
.green-nav-wrap { background: white; }
.green-nav {
  background: #2e7d2e;
  display: flex;
  align-items: stretch;
  overflow-x: auto;
}
.nav-home {
  background: #2e7d2e;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  text-decoration: none;
}
.nav-home svg { width: 20px; height: 20px; display: block; }
.green-nav a {
  color: white;
  text-decoration: none;
  font-size: 19px;
  font-weight: 400;
  letter-spacing: 0.025em;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  border-right: none;
  transition: background 0.12s;
  white-space: nowrap;
  flex-shrink: 0;
}
.green-nav a:hover { background: rgba(255,255,255,0.1); }
.green-nav a.active { background: #f0f0ee; color: #C8102E; font-weight: 400; }

/* ── HERO — constrained, taller ── */
.hero-wrap { background: white; padding-bottom: 40px; }
.hero-spacer { height: 24px; background: white; }
.hero {
  background: #C8102E;
  padding: 72px 56px 68px;
  text-align: center;
}
.hero h2 {
  color: white;
  font-size: 32px;
  font-weight: 400;
  margin-bottom: 14px;
  letter-spacing: 0.02em;
  line-height: 1.4;
}
.hero p {
  color: rgba(255,255,255,0.88);
  font-size: 19px;
  font-weight: 400;
  margin-bottom: 38px;
  line-height: 1.75;
  letter-spacing: 0.01em;
}
.search-row {
  display: flex;
  max-width: 700px;
  margin: 0 auto;
  box-shadow: 0 4px 22px rgba(0,0,0,0.28);
}
.search-row input {
  flex: 1;
  border: none;
  padding: 0 24px;
  font-size: 17px;
  font-family: inherit;
  font-weight: 400;
  letter-spacing: 0.01em;
  height: 60px;
  background: white;
  color: #1a1a1a;
  outline: none;
  min-width: 0;
  border-radius: 0;
}
.search-row input::placeholder { color: #b5b5b5; }
.search-btn {
  background: #1a1a1a;
  color: white;
  border: none;
  border-radius: 0;
  padding: 0 32px;
  font-size: 14px;
  font-weight: 400;
  font-family: inherit;
  cursor: pointer;
  height: 60px;
  letter-spacing: 0.1em;
  transition: background 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
  text-transform: uppercase;
}
.search-btn:hover { background: #333; }

/* ── FILTERS + RESULTS ── */
.cards-section-wrap { background: white; }
.cards-section-wrap .inner { padding-left: 4px; padding-right: 4px; }
.cards-section { background: white; padding: 0 20px 48px; }

.filters-bar { background: white; border: none; }
.filters-bar-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 18px 0;
}
.filters-label {
  font-size: 13px;
  font-weight: 400;
  color: #777;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
}
.filter-select {
  border: 1px solid #ccc;
  border-radius: 0;
  padding: 10px 34px 10px 14px;
  font-size: 15px;
  font-family: inherit;
  font-weight: 400;
  color: #333;
  letter-spacing: 0.01em;
  background: white url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23999'/%3E%3C/svg%3E") no-repeat right 13px center;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  outline: none;
  transition: border-color 0.15s;
}
.filter-select:focus { border-color: #C8102E; outline: 2px solid rgba(200,16,46,0.2); outline-offset: 0; }
.filter-select:hover { border-color: #C8102E; }
.clear-btn {
  background: none;
  border: 1px solid #ddd;
  border-radius: 0;
  padding: 10px 18px;
  font-size: 13px;
  font-family: inherit;
  font-weight: 500;
  color: #777;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: border-color 0.15s, color 0.15s;
  margin-left: auto;
}
.clear-btn:hover { border-color: #C8102E; color: #C8102E; }

/* ── RESULTS ── */
.results-area { background: white; }
.results-area .inner { padding-top: 0; padding-bottom: 0; }
#grid { padding-bottom: 48px; }
.results-meta {
  padding: 24px 0 18px;
  font-size: 15px;
  font-weight: 400;
  color: #777;
  letter-spacing: 0.02em;
}
.results-meta strong { color: #666; font-weight: 400; }

/* ── GRID — 4 columns ── */
.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* ── CARD ── */
.card {
  background: #ebebea;
  display: flex;
  flex-direction: column;
  min-height: 310px;
  cursor: pointer;
  transition: box-shadow 0.18s, transform 0.15s;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
}
.card:hover {
  box-shadow: 0 6px 28px rgba(0,0,0,0.13);
  transform: translateY(-2px);
}
.card-head {
  background: #ebebea;
  padding: 18px 20px 12px;
  flex-shrink: 0;
}
.card-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  background: #C8102E;
  color: white;
}
.card-body {
  flex: 1;
  padding: 10px 20px 8px;
  display: flex;
  flex-direction: column;
}
.card-name {
  font-size: 18px;
  font-weight: 400;
  color: #1a1a1a;
  line-height: 1.3;
  margin-bottom: 8px;
  letter-spacing: 0.005em;
}
.card-institute {
  font-size: 14px;
  font-weight: 400;
  color: #666;
  margin-bottom: 2px;
  letter-spacing: 0.01em;
}
.card-group {
  font-size: 14px;
  font-weight: 400;
  color: #666;
  letter-spacing: 0.01em;
  flex: 1;
}
.card-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 8px 18px 18px;
  flex-shrink: 0;
}
.card-photo {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}
.card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}
.card-photo-initials {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #bbb;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 400;
  color: white;
}
.card-arrow {
  width: 40px;
  height: 40px;
  border: 1.5px solid #bbb;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #888;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
  flex-shrink: 0;
}
.become-member-cta {
  text-align: center;
  padding: 32px 20px;
  border-top: 1px solid #dddcda;
  margin-top: 24px;
}
.become-member-cta p {
  font-size: 20px;
  font-weight: 400;
  color: #666;
  margin-bottom: 10px;
}
.become-member-cta a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
  color: #C8102E;
  letter-spacing: 0.02em;
  text-decoration: none;
}
.become-member-cta a::before {
  content: '⟶';
  display: inline-block;
  transition: transform 0.35s ease;
  font-size: 25px;
}
.become-member-cta a:hover {   color: #1a1a1a; text-decoration: none; }
.become-member-cta a:hover::before { transform: translateX(5px); color: #1a1a1a; }
.card-cta:hover { background: #f5f5f3; }
.card-arrow svg { display: block; width: 18px; height: 18px; }
.card:hover .card-arrow { border-color: #C8102E; background: #C8102E; color: white; }

/* ── NO RESULTS ── */
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 72px 20px;
  color: #bbb;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.8;
}

/* ── FOOTER ── */
.footer { background: #2a2a28; }
.footer .inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
  padding-top: 56px;
  padding-bottom: 48px;
}
.footer-tagline {
  font-size: 28px;
  font-weight: 600;
  color: white;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1.2;
}
.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  text-decoration: none;
  margin-left: auto;
}
.logo img {
  height: 140px;
  max-height: 140px;
  width: auto;
}
.footer-bottom {
  background: #2a2a28;
  border-top: none;
}
.footer-bottom .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgb(255, 255, 255);
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 18px;
  padding-bottom: 18px;
  color: rgba(255,255,255,0.35);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.03em;
}
.footer-bottom a { color: rgba(255,255,255,0.35); text-decoration: none; transition: color 0.15s; }
.footer-bottom a:hover { color: white; }

/* ── MOBILE-ONLY ELEMENTS — hidden on desktop ── */
.mobile-bottom-bar,
.mobile-menu-overlay,
.mobile-breadcrumb-dropdown { display: none; }

/* Hide hamburger (leftover from previous version) */
.hamburger { display: none; }

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .inner { padding-left: 24px; padding-right: 24px; }
  .page-title h1 { font-size: 32px; }
  .green-nav a { padding: 15px 18px; font-size: 15px; }
  .hero { padding: 52px 32px 48px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
    padding-bottom: 64px;
  }
  .inner { padding-left: 16px; padding-right: 16px; }

  /* Header */
  .unibe-logo img { height: 132px; }
  .header .inner { padding-top: 12px; padding-bottom: 12px; }

  /* Hide desktop breadcrumb and green nav */
  .breadcrumb { display: none; }
  .green-nav-wrap { display: none; }
  .hero-spacer { display: none; }

  /* Page title — hidden on mobile */
  .page-title { display: none; }

  /* Hero — more top padding */
  .hero { padding: 64px 20px 44px; }
  .hero h2 { font-size: 22px; margin-bottom: 12px; }
  .hero p { font-size: 15px; margin-bottom: 32px; }
  .mobile-breadcrumb-dropdown {
    display: block;
    background: #f5f4f2;
  }
  .mobile-breadcrumb-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 16px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 400;
    color: #C8102E;
    border: none;
    background: transparent;
    width: 100%;
    font-family: inherit;
    text-align: left;
    letter-spacing: 0.01em;
  }
  .mobile-breadcrumb-toggle svg {
    width: 12px; height: 12px;
    flex-shrink: 0;
    transition: transform 0.25s ease;
    fill: #C8102E;
  }
  .mobile-breadcrumb-toggle.open svg { transform: rotate(180deg); }

  /* Smooth slide-down panel */
  .mobile-breadcrumb-panel {
    max-height: 0;
    overflow: hidden;
    flex-direction: column;
    background: #f5f4f2;
    border-top: 0px solid #e0e0de;
    transition: max-height 0.3s ease, border-top-width 0.3s ease;
    display: flex;
  }
  .mobile-breadcrumb-panel.open {
    max-height: 200px;
    border-top: 1px solid #e0e0de;
  }
  .mobile-breadcrumb-panel a {
    display: block;
    padding: 13px 16px;
    font-size: 15px;
    font-weight: 400;
    color: #888;
    text-decoration: none;
    border-bottom: 1px solid #e8e8e6;
  }
  .mobile-breadcrumb-panel a:last-child,
  .mobile-breadcrumb-panel a.panel-current {
    color: #888;
    font-weight: 400;
    border-bottom: none;
  }

  /* Hero */
  .hero { padding: 48px 20px 44px; }
  .hero h2 { font-size: 22px; margin-bottom: 12px; }
  .hero p { font-size: 15px; margin-bottom: 32px; }
  .hero-wrap { padding-top: 24px; }

  /* Search */
  .search-row { flex-direction: column; max-width: 100%; }
  .search-row input {
    height: auto !important;
    min-height: 72px;
    padding: 20px 24px;
    font-size: 16px;
    border-bottom: 1px solid #eee;
    width: 100%;
  }
  .search-btn {
    height: auto !important;
    min-height: 64px;
    padding: 20px 32px;
    font-size: 14px;
    letter-spacing: 0.12em;
    width: 100%;
  }

  /* Filters */
  .filters-bar > div {
    flex-direction: column;
    align-items: stretch !important;
    gap: 10px !important;
  }
  .filter-select { width: 100%; font-size: 16px; padding: 12px 34px 12px 14px; }
  .clear-btn { width: 100%; margin-left: 0 !important; text-align: center; padding: 12px; font-size: 14px; }
  .filters-label { font-size: 12px; }

  /* Cards */
  .grid { grid-template-columns: 1fr; gap: 14px; }
  .card { min-height: 260px; }
  .card-name { font-size: 17px; }
  .card-group, .card-institute { font-size: 13px; }

  /* Footer */
  .footer .inner { flex-direction: column; padding-top: 36px; padding-bottom: 32px; gap: 20px; }
  .footer-tagline { font-size: 22px; }
  .footer-logo { align-items: flex-start; }
  .footer-bottom .inner { flex-direction: column; align-items: flex-start; gap: 8px; }
  .footer-logo img { height: 120px; max-height: 120px; }

  /* ── MOBILE BOTTOM BAR ── */
  .mobile-bottom-bar {
    display: flex;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 200;
    background: #1a1a1a;
    height: 64px;
    align-items: center;
    justify-content: flex-start;
    padding: 0 24px;
  }
  .mobile-bar-menu {
    display: flex;
    align-items: center;
    gap: 10px;
    background: none;
    border: none;
    color: white;
    font-size: 15px;
    font-family: inherit;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    padding: 0;
  }
  .mobile-bar-menu svg { width: 20px; height: 20px; }
  .mobile-bar-search { display: none; }

  /* ── SLIDE-UP MENU OVERLAY ── */
  .mobile-menu-overlay {
    display: flex;
    flex-direction: column;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 300;
    background: #2e7d2e;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    max-height: 92vh;
    overflow-y: auto;
  }
  .mobile-menu-overlay.open { transform: translateY(0); }

  .mobile-menu-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 13px 20px;
    background: #2e7d2e;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    flex-shrink: 0;
  }
  .mobile-menu-close {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    display: flex;
    align-items: center;
  }
  .mobile-menu-header span {
    color: white;
    font-size: 15px;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }
  .mobile-menu-overlay a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 20px;
    color: white;
    text-decoration: none;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: background 0.12s;
  }
  .mobile-menu-overlay a:hover { background: rgba(255,255,255,0.08); }
.mobile-menu-overlay a.active { background: #f0f0ee; color: #C8102E; font-weight: 400; }
  .mobile-menu-overlay a .arrow-right {
    font-size: 16px;
    opacity: 0.5;
  }
  .mobile-menu-overlay .home-link {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: flex-start;
  }
  .mobile-menu-overlay .home-link svg { width: 18px; height: 18px; opacity: 0.8; }
}