/* ════════════════════════════════════════════════════════════════════
   DESIGN TOKENS — Light Minimal Portfolio Theme
   ──────────────────────────────────────────────────────────────────
   --bg-base      #f7f8fa   page canvas (warm light gray)
   --bg-card      #ffffff   card / panel surface
   --bg-elev      #f3f4f6   inputs, subtle elevations
   --border       #e5e7eb   dividers, outlines
   --accent       #3b82f6   primary accent (blue-500)
   --text-hi      #111827   high-emphasis body
   --text-md      #6b7280   secondary
   --text-lo      #9ca3af   labels, placeholders
   ════════════════════════════════════════════════════════════════════ */

:root {
  --bg-base:    #f7f8fa;
  --bg-card:    #ffffff;
  --bg-elev:    #f3f4f6;
  --border:     #e5e7eb;
  --accent:     #3b82f6;
  --accent2:    #6366f1;
  --accent-dim: rgba(59,130,246,.08);
  --text-hi:    #111827;
  --text-md:    #6b7280;
  --text-lo:    #9ca3af;
  --radius:     12px;
  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.05);
  --shadow-lg:  0 10px 32px rgba(0,0,0,.10), 0 4px 12px rgba(0,0,0,.06);
  --transition: 0.18s ease;
}

/* ── Reset ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-base);
  color: var(--text-hi);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: #1d4ed8; }
ul { list-style: none; }

/* ── Scrollbar ─────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #d1d5db; }

/* ── Utilities ─────────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.gradient-text {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ════════════════ NAVBAR ══════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  height: 64px;
  transition: box-shadow var(--transition);
}
.nav-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  text-decoration: none;
  color: var(--text-hi);
}
.brand-name {
  font-size: 1.0rem;
  font-weight: 700;
  color: var(--text-hi);
  line-height: 1.2;
}
.brand-sub { color: var(--text-lo); font-size: 0.7rem; font-weight: 400; letter-spacing: 0.03em; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  color: var(--text-md);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--accent); background: var(--accent-dim); }
.btn-cv {
  background: var(--accent) !important;
  border: none !important;
  color: #ffffff !important;
  padding: 7px 16px !important;
  border-radius: 7px !important;
  font-size: 0.82rem !important;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--transition), transform var(--transition) !important;
}
.btn-cv:hover { background: #1d4ed8 !important; transform: translateY(-1px); color: #ffffff !important; }

/* mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-md);
  border-radius: 2px;
  transition: var(--transition);
}

/* ════════════════ HERO ════════════════════════════════════════════ */
.hero {
  padding: 160px 0 96px;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
/* simulation grid background image */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../img/sim_grid.png') center center / cover no-repeat;
  filter: grayscale(100%) brightness(1.2);
  opacity: 0.06;
  pointer-events: none;
}
.hero::after { display: none; }
.hero-inner { position: relative; max-width: 760px; }

.hero-eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 20px;
  text-transform: uppercase;
}
.hero-name {
  font-size: clamp(3.2rem, 7vw, 4.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-hi);
  margin-bottom: 24px;
}
.hero-tagline {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-md);
  line-height: 1.4;
  max-width: 580px;
  margin-top: -8px;
  margin-bottom: 32px;
}
.hero-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 40px; }
.hero-badge {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-md);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.hero-badge:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
  background: var(--accent);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 12px 28px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 8px rgba(59,130,246,.30);
}
.btn-primary:hover { background: #1d4ed8; transform: translateY(-1px); color: #ffffff; box-shadow: 0 4px 14px rgba(59,130,246,.40); }
.btn-outline {
  background: transparent;
  color: var(--text-hi);
  border: 1px solid var(--border);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 12px 28px;
  border-radius: 8px;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); transform: translateY(-1px); }

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-lo);
  font-size: 1.25rem;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(7px); }
}

/* ── Hero intro animation ─────────────────────────────────────── */
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-eyebrow,
.hero-name,
.hero-tagline,
.hero-badges,
.hero-cta {
  opacity: 0;
  animation: heroFadeUp 0.65s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.hero-eyebrow { animation-delay: 0.10s; }
.hero-name    { animation-delay: 0.45s; }
.hero-tagline { animation-delay: 0.80s; }
.hero-badges  { animation-delay: 1.15s; }
.hero-cta     { animation-delay: 1.45s; }

/* ════════════════ KPI STRIP ═══════════════════════════════════════ */
.kpi-strip {
  background: var(--bg-base);
  border-bottom: 1px solid var(--border);
  padding: 48px 0;
}
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.kpi-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  text-align: center;
  padding: 28px 16px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.kpi-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.kpi-value {
  display: block;
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
}
.kpi-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-lo);
  margin-top: 8px;
}

/* ════════════════ SECTIONS ════════════════════════════════════════ */
.section { padding: 80px 0; }
.section-heading { margin-bottom: 40px; }
.section-heading h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-hi);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.section-heading p { color: var(--text-md); font-size: 0.95rem; line-height: 1.7; }

/* ════════════════ WORKSPACE (filter + right) ══════════════════════ */
.workspace {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 32px;
  align-items: start;
}

/* ════════════════ FILTER PANEL ════════════════════════════════════ */
.filter-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  box-shadow: var(--shadow-sm);
}
.filter-panel::-webkit-scrollbar { width: 3px; }
.filter-panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.filter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
}
.filter-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-hi);
}
.btn-clear {
  background: none;
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text-md);
  font-size: 0.7rem;
  padding: 3px 10px;
  cursor: pointer;
  font-family: inherit;
  transition: border-color var(--transition), color var(--transition);
}
.btn-clear:hover { border-color: var(--accent); color: var(--accent); }

.filter-group { margin-bottom: 4px; }
.filter-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-lo);
  margin-bottom: 10px;
}
.filter-divider { border-top: 1px solid var(--border); margin: 18px 0; }

.check-list { display: flex; flex-direction: column; gap: 8px; }
.check-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.845rem;
  color: var(--text-md);
  transition: color var(--transition);
}
.check-item:hover { color: var(--text-hi); }
.check-item input[type="checkbox"] { accent-color: var(--accent); width: 14px; height: 14px; cursor: pointer; flex-shrink: 0; }
.check-item.active { color: var(--text-hi); font-weight: 500; }

.search-input {
  width: 100%;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 8px 12px;
  font-size: 0.845rem;
  color: var(--text-hi);
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-input::placeholder { color: var(--text-lo); }
.search-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59,130,246,.12); }

/* Floating map legend (Leaflet control) */
.map-legend {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 999;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 10px 14px;
  font-size: 0.78rem;
  color: var(--text-md);
  min-width: 110px;
}
.map-legend-title {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-lo);
  margin-bottom: 8px;
}
.map-legend-item {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 5px;
  line-height: 1;
}
.map-legend-item:last-child { margin-bottom: 0; }
.map-legend-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1.5px solid rgba(255,255,255,0.7);
}

/* ════════════════ RIGHT COLUMN ════════════════════════════════════ */
.right-col { min-width: 0; }

.btn-filter-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 16px;
  color: var(--text-md);
  font-size: 0.86rem;
  font-family: inherit;
  cursor: pointer;
  margin-bottom: 16px;
  transition: border-color var(--transition), color var(--transition);
}
.btn-filter-toggle:hover { border-color: var(--accent); color: var(--accent); }
.filter-count {
  background: var(--accent);
  color: #ffffff;
  border-radius: 999px;
  padding: 1px 8px;
  font-size: 0.68rem;
  font-weight: 700;
}

/* ════════════════ MAP ══════════════════════════════════════════════ */
.map-container {
  position: relative;
  margin-bottom: 24px;
}
.map-wrapper {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  background: var(--bg-card);
}
#map {
  width: 100%;
  height: 70vh;
  min-height: 400px;
}
/* Leaflet popup light skin */
.custom-popup .leaflet-popup-content-wrapper {
  background: var(--bg-card);
  color: var(--text-hi);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  font-family: 'Inter', sans-serif;
  padding: 0;
  max-width: 340px;
}
.custom-popup .leaflet-popup-tip {
  background: var(--bg-card);
}
.custom-popup .leaflet-popup-content { margin: 0; }
.popup-inner { padding: 18px; }
.popup-role { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em; margin-bottom: 6px; }
.popup-title { font-size: 1rem; font-weight: 700; color: var(--text-hi); margin-bottom: 4px; }
.popup-meta { font-size: 0.78rem; color: var(--text-lo); margin-bottom: 10px; }
.popup-desc { font-size: 0.84rem; color: var(--text-md); line-height: 1.6; margin-bottom: 10px; }
.popup-highlights { padding-left: 16px; margin-bottom: 12px; }
.popup-highlights li { font-size: 0.8rem; color: var(--text-md); margin-bottom: 4px; line-height: 1.55; }
.popup-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 12px; }
.popup-tag {
  font-size: 0.68rem;
  border-radius: 999px;
  padding: 2px 9px;
  font-weight: 500;
}
.popup-link { font-size: 0.78rem; }
.popup-btn {
  display: inline-block;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 7px 14px;
  font-size: 0.8rem;
  color: var(--accent);
  cursor: pointer;
  text-align: center;
  width: 100%;
  font-family: inherit;
  font-weight: 500;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}
.popup-btn:hover { border-color: var(--accent); background: var(--accent-dim); box-shadow: 0 2px 8px rgba(59,130,246,.15); }

/* Leaflet tooltip */
.leaflet-tooltip-dark {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: 7px !important;
  box-shadow: var(--shadow-sm) !important;
  color: var(--text-hi) !important;
  font-family: 'Inter', sans-serif !important;
  font-size: 0.8rem !important;
  padding: 6px 10px !important;
}
.leaflet-tooltip-dark::before { border-top-color: var(--border) !important; }

/* ════════════════ RESULT COUNT ════════════════════════════════════ */
.result-count {
  font-size: 0.82rem;
  color: var(--text-lo);
  margin-bottom: 16px;
  font-weight: 500;
}

/* ════════════════ CARDS GRID ══════════════════════════════════════ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 22px 20px;
  position: relative;
  cursor: pointer;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.project-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--card-accent, var(--accent));
  border-radius: 12px 0 0 12px;
}
.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  border-color: #d1d5db;
}
.card-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 999px;
  padding: 3px 10px;
  margin-bottom: 12px;
}
.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-hi);
  line-height: 1.35;
  margin-bottom: 5px;
}
.card-meta {
  font-size: 0.78rem;
  color: var(--text-lo);
  margin-bottom: 10px;
}
.card-desc {
  font-size: 0.845rem;
  color: var(--text-md);
  line-height: 1.65;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}
.card-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 14px; }
.card-tag {
  font-size: 0.68rem;
  border-radius: 999px;
  padding: 2px 9px;
  font-weight: 500;
}
.card-footer {
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}
.card-footer::after { content: '→'; }

/* ════════════════ EMPTY STATE ══════════════════════════════════════ */
.empty-state {
  text-align: center;
  padding: 64px 20px;
  color: var(--text-lo);
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.empty-icon { font-size: 2.5rem; }

/* ════════════════ MODAL ════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(17,24,39,.45);
  backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn .15s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  max-width: 600px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  animation: slideUp .2s ease;
}
@keyframes slideUp { from { transform: translateY(16px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal::-webkit-scrollbar { width: 4px; }
.modal::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.modal-close {
  position: sticky;
  top: 16px;
  float: right;
  margin: 16px 16px 0 0;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text-md);
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.84rem;
  z-index: 10;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.modal-close:hover { border-color: var(--border); color: var(--text-hi); background: #f9fafb; }
.modal-body { padding: 20px 28px 32px; clear: both; }

.modal-header-bar {
  border-left: 4px solid var(--card-accent, var(--accent));
  padding-left: 14px;
  margin-bottom: 20px;
}
.modal-discipline { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; margin-bottom: 5px; text-transform: uppercase; }
.modal-title { font-size: 1.35rem; font-weight: 800; color: var(--text-hi); line-height: 1.25; letter-spacing: -0.01em; }

.modal-meta-grid {
  background: var(--bg-elev);
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border: 1px solid var(--border);
}
.modal-meta-row { display: flex; flex-direction: column; gap: 3px; }
.modal-meta-label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.09em; color: var(--text-lo); font-weight: 700; }
.modal-meta-value { font-size: 0.88rem; color: var(--text-hi); font-weight: 500; }

.modal-section-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  margin-top: 20px;
  color: var(--text-lo);
}
.modal-desc { font-size: 0.9rem; color: var(--text-md); line-height: 1.75; }
.modal-highlights { padding-left: 18px; }
.modal-highlights li { font-size: 0.88rem; color: var(--text-md); line-height: 1.75; margin-bottom: 5px; }
.modal-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.modal-tag { font-size: 0.72rem; border-radius: 999px; padding: 3px 10px; font-weight: 500; }
.modal-link { margin-top: 24px; }

/* ════════════════ ABOUT ════════════════════════════════════════════ */
.about-section { background: #ffffff; border-top: 1px solid var(--border); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 92px;
  align-items: center;
}
.about-text h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-hi);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.about-text p { color: var(--text-md); font-size: 0.95rem; line-height: 1.8; margin-bottom: 16px; }
.about-list {
  color: var(--text-md);
  font-size: 0.95rem;
  line-height: 1.8;
  margin: 0 0 16px 20px;
  padding: 0;
}
.about-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.about-badge {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-md);
}
.about-avatar {
  padding-top: 0;
}
.about-photo {
  width: 216px;
  height: 216px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 8px 32px rgba(0,0,0,0.14), 0 2px 8px rgba(0,0,0,0.08);
  display: block;
  margin: 0 auto;
  filter: grayscale(10%);
}
.avatar-placeholder {
  width: 160px; height: 160px;
  border-radius: 50%;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border: 2px solid #bfdbfe;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
  margin: 0 auto;
}

/* ════════════════ CONTACT ══════════════════════════════════════════ */
.contact-section { background: var(--bg-base); border-top: 1px solid var(--border); }
.contact-inner { max-width: 640px; }
.contact-inner h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-hi);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.contact-sub { color: var(--text-md); margin-bottom: 36px; font-size: 0.95rem; line-height: 1.7; }
.contact-links { display: flex; flex-direction: column; gap: 12px; }
.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  color: var(--text-hi);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.contact-card:hover {
  border-color: #bfdbfe;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: var(--text-hi);
}
.contact-icon {
  width: 38px; height: 38px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-label { font-size: 0.9rem; flex: 1; font-weight: 500; }
.copy-btn {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text-md);
  font-size: 0.72rem;
  padding: 4px 10px;
  cursor: pointer;
  font-family: inherit;
  transition: border-color var(--transition), color var(--transition);
}
.copy-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ════════════════ FOOTER ═══════════════════════════════════════════ */
.footer {
  background: #ffffff;
  border-top: 1px solid var(--border);
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-lo);
  gap: 12px;
  flex-wrap: wrap;
}

/* ════════════════ MARKER CLUSTER OVERRIDE ══════════════════════════ */
.marker-cluster-small,
.marker-cluster-medium,
.marker-cluster-large {
  background-clip: padding-box;
}
.marker-cluster-small  { background-color: rgba(59,130,246,.18); }
.marker-cluster-small div  { background-color: rgba(59,130,246,.70); color: #ffffff; font-weight: 700; }
.marker-cluster-medium { background-color: rgba(99,102,241,.18); }
.marker-cluster-medium div { background-color: rgba(99,102,241,.70); color: #ffffff; font-weight: 700; }
.marker-cluster-large  { background-color: rgba(124,58,237,.18); }
.marker-cluster-large div  { background-color: rgba(124,58,237,.70); color: #ffffff; font-weight: 700; }

/* ════════════════ SCROLL FADE-IN ═══════════════════════════════════ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ════════════════ RESPONSIVE ═══════════════════════════════════════ */
@media (max-width: 960px) {
  .workspace {
    grid-template-columns: 1fr;
  }
  .filter-panel {
    position: static;
    max-height: none;
    display: none;
  }
  .filter-panel.open { display: block; }
  .btn-filter-toggle { display: flex; }
  .cards-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: rgba(255,255,255,.98);
    flex-direction: column;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-avatar { order: -1; padding-top: 0; }
  .about-photo { width: 160px; height: 160px; }
  .avatar-placeholder { width: 100px; height: 100px; font-size: 1.8rem; }
  #map { height: 50vh; min-height: 280px; }
  .hero-name { font-size: 2.8rem; }
}
@media (max-width: 480px) {
  .container { padding: 0 20px; }
  .hero { padding: 110px 0 72px; }
  .section { padding: 56px 0; }
  .garden-grid { grid-template-columns: 1fr; }
}

/* ════════════════ THOUGHTS GARDEN ══════════════════════════════════ */
.garden-section { background: var(--bg-base); border-top: 1px solid var(--border); }
.garden-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 960px) { .garden-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .garden-grid { grid-template-columns: 1fr; } }

.garden-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 20px 18px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.garden-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.garden-status {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 2px 10px;
  margin-bottom: 10px;
}
.garden-status.seed { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.garden-status.sprout { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
.garden-status.grown { background: #dbeafe; color: #1e40af; border: 1px solid #93c5fd; }
.garden-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-hi);
  margin-bottom: 6px;
  line-height: 1.35;
}
.garden-desc {
  font-size: 0.845rem;
  color: var(--text-md);
  line-height: 1.65;
}

/* ════════════════ BACK TO TOP ═══════════════════════════════════════ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 800;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-md);
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease, border-color var(--transition), color var(--transition);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}
.back-to-top:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}