/* ======================================================
   OPC Website — Company Introduction
   Linear-inspired Dark Mode | Indigo Accent | Inter Font
   ====================================================== */

/* ---- CSS Variables ---- */
:root {
  /* Colors */
  --bg-primary: #0a0a0b;
  --bg-surface: #18181b;
  --bg-surface-hover: #212124;
  --bg-surface-raised: #27272a;
  --border-color: #2a2a2e;
  --border-accent: #6366f1;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-soft: rgba(99, 102, 241, 0.12);
  --accent-glow: rgba(99, 102, 241, 0.25);

  /* Level colors */
  --level-l3: #6366f1;
  --level-l3-bg: rgba(99, 102, 241, 0.15);
  --level-l2: #10b981;
  --level-l2-bg: rgba(16, 185, 129, 0.15);
  --level-l1: #64748b;
  --level-l1-bg: rgba(100, 116, 139, 0.15);

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --font-h1: 700 2.5rem/1.2 var(--font-family);
  --font-h2: 600 1.5rem/1.3 var(--font-family);
  --font-h3: 500 1rem/1.4 var(--font-family);
  --font-body: 400 0.875rem/1.5 var(--font-family);
  --font-small: 500 0.75rem/1.4 var(--font-family);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 50%;

  /* Transitions */
  --transition-fast: 200ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px var(--accent-glow);
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* ---- Layout Container ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* ======================================================
   HEADER
   ====================================================== */
.site-header {
  padding: var(--space-3xl) 0 var(--space-xl);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-2xl);
}

.site-header .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), #818cf8);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: white;
  box-shadow: 0 0 20px var(--accent-glow);
}

.logo-text {
  font: var(--font-h1);
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.header-sub {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xl);
  margin-top: var(--space-sm);
}

.header-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-secondary);
  font: var(--font-body);
}

.header-info svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--accent);
}

.header-info strong {
  color: var(--text-primary);
  font-weight: 500;
}

.header-tagline {
  font: var(--font-body);
  color: var(--text-tertiary);
  margin-top: var(--space-xs);
}

/* ======================================================
   DEPARTMENT SECTIONS
   ====================================================== */
.department-section {
  margin-bottom: var(--space-3xl);
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.department-section.revealed {
  opacity: 1;
  transform: translateY(0);
}

.department-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-color);
}

.department-name {
  font: var(--font-h2);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.department-head {
  font: var(--font-small);
  color: var(--text-tertiary);
}

.department-head strong {
  color: var(--accent);
  font-weight: 500;
}

.member-count {
  margin-left: auto;
  font: var(--font-small);
  color: var(--text-tertiary);
  background: var(--bg-surface);
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
}

/* ---- Member Card Grid ---- */
.member-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

/* ---- Member Card ---- */
.member-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.member-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: transparent;
  transition: background var(--transition-base);
}

.member-card:hover {
  background: var(--bg-surface-hover);
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.08);
}

.member-card:hover::before {
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
}

.member-card:active {
  transform: translateY(-2px);
}

/* Avatar */
.card-avatar-wrapper {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-md);
  border: 2px solid var(--border-color);
  transition: border-color var(--transition-base);
  position: relative;
}

.member-card:hover .card-avatar-wrapper {
  border-color: var(--accent);
}

.card-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.member-card:hover .card-avatar {
  transform: scale(1.08);
}

.card-avatar-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface-raised);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 1.5rem;
}

/* Card Info */
.card-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.card-name {
  font: var(--font-h3);
  color: var(--text-primary);
}

.card-role {
  font: var(--font-body);
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Level Badge */
.card-level {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  font: var(--font-small);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  width: fit-content;
  margin-top: var(--space-xs);
}

.card-level.level-L3 {
  background: var(--level-l3-bg);
  color: var(--level-l3);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.card-level.level-L2 {
  background: var(--level-l2-bg);
  color: var(--level-l2);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.card-level.level-L1 {
  background: var(--level-l1-bg);
  color: var(--level-l1);
  border: 1px solid rgba(100, 116, 139, 0.3);
}

/* Skill Tags */
.card-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: var(--space-sm);
}

.skill-tag {
  display: inline-block;
  padding: 2px 8px;
  font: var(--font-small);
  font-size: 0.65rem;
  color: var(--text-tertiary);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  transition: all var(--transition-fast);
}

.member-card:hover .skill-tag {
  color: var(--text-secondary);
  border-color: var(--text-tertiary);
}

/* ======================================================
   MODAL
   ====================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-xl);
  position: relative;
  transform: scale(0.9);
  transition: transform var(--transition-slow);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(99, 102, 241, 0.06);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--bg-surface-raised);
  color: var(--text-primary);
  border-color: var(--text-tertiary);
}

.modal-close svg {
  width: 16px;
  height: 16px;
}

/* Modal Avatar */
.modal-avatar-wrapper {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: 0 auto var(--space-lg);
  border: 3px solid var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
  cursor: zoom-in;
  transition: transform var(--transition-fast);
}

.modal-avatar-wrapper:hover {
  transform: scale(1.05);
}

.modal-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

/* Modal Body */
.modal-body {
  text-align: center;
}

.modal-name {
  font: var(--font-h2);
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.modal-role {
  font: var(--font-body);
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.modal-divider {
  height: 1px;
  background: var(--border-color);
  margin: var(--space-lg) 0;
  border: none;
}

.modal-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  text-align: left;
  margin-bottom: var(--space-lg);
}

.modal-detail-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.modal-detail-label {
  font: var(--font-small);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.modal-detail-value {
  font: 500 0.875rem/1.4 var(--font-family);
  color: var(--text-primary);
}

.modal-description {
  font: var(--font-body);
  color: var(--text-secondary);
  line-height: 1.6;
  text-align: left;
  margin-bottom: var(--space-lg);
}

.modal-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.modal-skills .skill-tag {
  font-size: 0.75rem;
  padding: 4px 12px;
  background: var(--accent-soft);
  border-color: rgba(99, 102, 241, 0.2);
  color: var(--accent);
}

.modal-level-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: 999px;
  font: var(--font-small);
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-md);
}

.modal-level-badge.level-L3 {
  background: var(--level-l3-bg);
  color: var(--level-l3);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.modal-level-badge.level-L2 {
  background: var(--level-l2-bg);
  color: var(--level-l2);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.modal-level-badge.level-L1 {
  background: var(--level-l1-bg);
  color: var(--level-l1);
  border: 1px solid rgba(100, 116, 139, 0.3);
}

/* ======================================================
   ORG CHART
   ====================================================== */
.org-chart {
  margin-bottom: var(--space-2xl);
  opacity: 0;
  transform: translateY(20px);
  animation: orgFadeIn 0.6s ease forwards;
  animation-delay: 0.1s;
}

@keyframes orgFadeIn {
  to { opacity: 1; transform: translateY(0); }
}

.org-chart-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--border-color);
}

.org-chart-header svg {
  color: var(--accent);
  width: 18px;
  height: 18px;
}

.org-chart-header h2 {
  font: 600 1.1rem/1.3 var(--font-family);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

/* ─── Tree Layout ─── */
.org-tree {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: var(--space-md) 0;
}

/* ─── Level (one row in the tree) ─── */
.org-level {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

/* ─── Cards ─── */
.org-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  transition: all var(--transition-base);
  position: relative;
  min-width: 160px;
}

.org-ceo .org-card {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), var(--bg-surface));
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.1);
}

.org-coordinator .org-card {
  border-color: var(--level-l2);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), var(--bg-surface));
}

.org-dept .org-card {
  border-color: var(--border-color);
  background: var(--bg-surface);
  min-width: 140px;
  flex-direction: column;
  text-align: center;
  padding: var(--space-md);
  gap: var(--space-xs);
}

.org-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.org-ceo .org-card:hover {
  box-shadow: var(--shadow-md), 0 0 30px rgba(99, 102, 241, 0.15);
}

/* ─── Avatar ─── */
.org-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-surface-raised);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.org-ceo .org-avatar {
  background: linear-gradient(135deg, var(--accent), #818cf8);
  border-color: var(--accent);
}

.org-coordinator .org-avatar.coord {
  background: linear-gradient(135deg, var(--level-l2), #34d399);
  border-color: var(--level-l2);
}

.org-avatar span {
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--text-primary);
  letter-spacing: 0.03em;
}

.org-ceo .org-avatar span {
  color: white;
}

.org-coordinator .org-avatar span {
  color: white;
}

.org-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.org-name {
  font: 600 0.9rem/1.3 var(--font-family);
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.org-role {
  font: 400 0.75rem/1.3 var(--font-family);
  color: var(--text-tertiary);
}

.org-ceo .org-name {
  color: var(--accent-hover);
}

.org-coordinator .org-name {
  color: var(--level-l2);
}

/* ─── Connector lines ─── */
.org-connector {
  width: 2px;
  height: 28px;
  background: var(--border-color);
  flex-shrink: 0;
}

.org-connector.up {
  width: 2px;
  height: 20px;
}

.org-connector.down {
  width: 2px;
  height: 28px;
}

/* ─── Branch (horizontal row of departments) ─── */
.org-branch-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.org-branch-hline {
  position: absolute;
  top: 0;
  left: 5%;
  right: 5%;
  height: 2px;
  background: var(--border-color);
}

.org-nodes-row {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  padding-top: 0;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
}

.org-dept {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.org-dept-icon {
  font-size: 1.5rem;
  line-height: 1;
  margin-bottom: 4px;
}

.org-dept .org-connector.up {
  margin-bottom: -1px;
  position: relative;
  z-index: 2;
}

/* ─── Department Employee List (expanded org chart) ─── */
.org-dept-members {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin-top: -1px;
  width: 100%;
  min-width: 200px;
}

.org-member-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-top: none;
  padding: 8px 14px;
  width: 100%;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.org-member-item:first-child {
  border-top: 1px solid var(--border-color);
  border-radius: 0;
}

.org-member-item:last-child {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.org-member-item:hover {
  background: var(--bg-surface-hover);
  border-color: var(--accent);
  z-index: 1;
}

.org-member-connector {
  width: 2px;
  height: 16px;
  background: var(--border-color);
  flex-shrink: 0;
}

.org-member-avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--border-color);
}

.org-member-avatar-fallback {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--bg-surface-raised);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.65rem;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.org-member-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
  flex: 1;
}

.org-member-name {
  font: 500 0.78rem/1.3 var(--font-family);
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

/* Head member — bold name */
.is-head .org-member-name {
  font-weight: 700;
  color: var(--accent);
}

.org-member-role {
  font: 400 0.65rem/1.3 var(--font-family);
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.org-head-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 1px 7px;
  border-radius: 999px;
  font: 600 0.6rem/1.2 var(--font-family);
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.25);
  flex-shrink: 0;
  letter-spacing: 0.02em;
}

.org-member-item:hover .org-member-name {
  color: var(--accent);
}

/* ─── Responsive Org Chart ─── */
@media (max-width: 768px) {
  .org-nodes-row {
    gap: var(--space-md);
  }

  .org-card {
    min-width: 140px;
    padding: var(--space-sm) var(--space-md);
  }

  .org-dept .org-card {
    min-width: 110px;
  }

  .org-name {
    font-size: 0.8rem;
  }

  .org-role {
    font-size: 0.65rem;
  }

  .org-branch-hline {
    display: none;
  }

  .org-nodes-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }

  .org-dept .org-connector.up {
    display: none;
  }

  .org-branch-wrapper .org-connector.up {
    display: none;
  }
}

@media (max-width: 480px) {
  .org-nodes-row {
    grid-template-columns: 1fr;
  }
}

/* ======================================================
   LIGHTBOX
   ====================================================== */
.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  cursor: zoom-out;
}

.lightbox-overlay.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0.85);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox-overlay.active .lightbox-content {
  transform: scale(1);
}

.lightbox-content img {
  max-width: 100%;
  max-height: 85vh;
  width: auto;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  object-fit: contain;
  display: block;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  z-index: 2001;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
}

.lightbox-close svg {
  width: 20px;
  height: 20px;
}

/* ─── Avatar cursor hint ─── */
.card-avatar-wrapper {
  cursor: zoom-in;
}

.card-avatar-wrapper img {
  pointer-events: auto;
}

/* ======================================================
   FOOTER
   ====================================================== */
.site-footer {
  text-align: center;
  padding: var(--space-xl) 0 var(--space-2xl);
  border-top: 1px solid var(--border-color);
  color: var(--text-tertiary);
  font: var(--font-small);
}

/* ======================================================
   RESPONSIVE — Tablet
   ====================================================== */
@media (max-width: 1023px) {
  .member-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-header {
    padding: var(--space-2xl) 0 var(--space-lg);
  }

  .logo-text {
    font-size: 2rem;
  }

  .header-sub {
    gap: var(--space-lg);
  }
}

/* ======================================================
   RESPONSIVE — Mobile
   ====================================================== */
@media (max-width: 639px) {
  .container {
    padding: 0 var(--space-md);
  }

  .member-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .site-header {
    padding: var(--space-xl) 0 var(--space-md);
  }

  .logo-text {
    font-size: 1.5rem;
  }

  .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 0.875rem;
  }

  .header-sub {
    flex-direction: column;
    gap: var(--space-sm);
    align-items: center;
  }

  .department-name {
    font-size: 1.25rem;
  }

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

  .member-count {
    margin-left: 0;
  }

  .modal-content {
    padding: var(--space-lg);
    margin: var(--space-sm);
    max-height: 85vh;
  }

  .modal-avatar-wrapper {
    width: 100px;
    height: 100px;
  }

  .modal-details {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
}

/* ======================================================
   UTILITY — Scroll-reveal helper
   ====================================================== */
.department-section.revealed .member-card:nth-child(1) { transition-delay: 0.05s; }
.department-section.revealed .member-card:nth-child(2) { transition-delay: 0.1s; }
.department-section.revealed .member-card:nth-child(3) { transition-delay: 0.15s; }
.department-section.revealed .member-card:nth-child(4) { transition-delay: 0.2s; }
.department-section.revealed .member-card:nth-child(5) { transition-delay: 0.25s; }