:root {
  --bg: #f4f7f3;
  --panel: #ffffff;
  --card: #ffffff;
  --border: #e3e9e1;
  --border-strong: #d3ddcf;
  --text: #1b2a1d;
  --muted: #6b7a6c;
  --accent: #3db52a;        /* Neotherm green */
  --accent-dark: #2e9e1f;
  --accent-lime: #7ed321;
  --accent-soft: #3db52a1a;
  --grad: linear-gradient(135deg, var(--accent-dark), var(--accent-lime));
  --radius: 16px;
  --maxw: 1120px;
  --shadow: 0 1px 2px rgba(27, 42, 29, 0.04), 0 8px 24px rgba(27, 42, 29, 0.05);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background:
    radial-gradient(900px 500px at 85% -120px, #e4f3df 0%, rgba(228, 243, 223, 0) 70%),
    var(--bg);
  color: var(--text);
  font: 15px/1.55 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100%;
}

/* ---------- Top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 28px;
  background: color-mix(in srgb, var(--panel) 80%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
}
.brand-logo { height: 30px; width: auto; display: block; }
.brand-sub {
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 13px;
  color: var(--muted);
  padding: 3px 10px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
}

.search-wrap { flex: 1; display: flex; justify-content: flex-end; }
#search {
  width: 100%;
  max-width: 420px;
  padding: 11px 15px;
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
#search::placeholder { color: var(--muted); }
#search:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

/* ---------- Grid ---------- */
.grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 34px 28px 8px;
}

.section { margin-bottom: 32px; }
.section-title {
  font-family: "Poppins", sans-serif;
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--accent-dark);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 16px;
}

.card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.14s ease, border-color 0.14s, box-shadow 0.14s;
}
.card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--grad);
  opacity: 0;
  transition: opacity 0.14s;
}
.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: 0 2px 4px rgba(27, 42, 29, 0.05), 0 14px 32px rgba(27, 42, 29, 0.10);
}
.card:hover::before { opacity: 1; }
.card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.card-icon {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  font-size: 24px;
  background: var(--accent-soft);
  border-radius: 12px;
}
.card-body { min-width: 0; }
.card-title {
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 4px;
}
.card-desc { font-size: 13px; color: var(--muted); }

/* ---------- Misc ---------- */
.empty {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
  color: var(--muted);
}
.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 28px;
  color: var(--muted);
  font-size: 12px;
}