@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

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

:root {
  --bg-primary: #0a0d14;
  --bg-secondary: #0f1520;
  --bg-card: #131c2e;
  --accent-blue: #4a9eff;
  --accent-glow: #1a6bcc;
  --text-primary: #e8eaf0;
  --text-secondary: #8892a4;
  --text-muted: #4a5568;
  --border: #1e2d45;
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  --font-heading: 'DM Serif Display', serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Hero ── */

.hero {
  position: relative;
  overflow: hidden;
  padding: 3.5rem 1.5rem 2.5rem;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--border);
}

.hero canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.home-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.04em;
  margin-bottom: 1.5rem;
  transition: color 0.2s;
}
.home-link:hover { color: var(--accent-blue); }

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.hero p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 520px;
  margin: 0 auto 1rem;
}

.hero-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.hero-sub a {
  color: var(--accent-blue);
  text-decoration: none;
}
.hero-sub a:hover { text-decoration: underline; }

/* ── Controls ── */

.controls {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding: 0 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.search-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.search-wrap svg {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

#search {
  width: 100%;
  padding: 0.625rem 0.875rem 0.625rem 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
}
#search::placeholder { color: var(--text-muted); }
#search:focus { border-color: var(--accent-blue); }

.filter-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.18s;
  white-space: nowrap;
}
.filter-btn:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}
.filter-btn.active {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #fff;
}

.toggle-funded {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: all 0.18s;
  user-select: none;
}
.toggle-funded:hover {
  border-color: var(--success);
  color: var(--success);
}
.toggle-funded.active {
  background: rgba(52, 211, 153, 0.12);
  border-color: var(--success);
  color: var(--success);
}

.toggle-funded input { display: none; }

.toggle-icon {
  width: 14px;
  height: 14px;
  border: 1.5px solid currentColor;
  border-radius: 3px;
  display: grid;
  place-items: center;
  transition: background 0.15s;
}
.toggle-funded.active .toggle-icon::after {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 1px;
}

.sort-select {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  padding: 0.45rem 0.875rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  outline: none;
  transition: border-color 0.18s;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238892a4' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.65rem center;
  padding-right: 2rem;
}
.sort-select:focus { border-color: var(--accent-blue); }
.sort-select option { background: var(--bg-secondary); }

/* ── Results bar ── */

.results-bar {
  max-width: 1200px;
  margin: 1.25rem auto 0;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.results-count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* ── Grid ── */

.grid {
  max-width: 1200px;
  margin: 1.25rem auto 4rem;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 1.25rem;
}

/* ── Card ── */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.375rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.card:hover {
  border-color: rgba(74, 158, 255, 0.35);
  box-shadow: 0 0 22px rgba(74, 158, 255, 0.07);
  transform: translateY(-2px);
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.card-org {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent-blue);
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.35;
  margin-top: 0.2rem;
}

.status-pill {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.55rem;
  border-radius: 20px;
  white-space: nowrap;
  flex-shrink: 0;
}
.status-open {
  background: rgba(52, 211, 153, 0.12);
  color: var(--success);
  border: 1px solid rgba(52, 211, 153, 0.3);
}
.status-closed {
  background: rgba(248, 113, 113, 0.1);
  color: var(--danger);
  border: 1px solid rgba(248, 113, 113, 0.25);
}

.card-description {
  font-size: 0.855rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.meta-item svg {
  flex-shrink: 0;
  color: var(--text-muted);
}

.deadline-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.5rem;
  border-radius: 5px;
  font-weight: 500;
}
.deadline-hot {
  background: rgba(248, 113, 113, 0.15);
  color: var(--danger);
  border: 1px solid rgba(248, 113, 113, 0.3);
}
.deadline-soon {
  background: rgba(251, 191, 36, 0.12);
  color: var(--warning);
  border: 1px solid rgba(251, 191, 36, 0.28);
}
.deadline-open {
  background: rgba(52, 211, 153, 0.1);
  color: var(--success);
  border: 1px solid rgba(52, 211, 153, 0.25);
}
.deadline-closed {
  background: rgba(74, 85, 104, 0.2);
  color: var(--text-muted);
  border: 1px solid rgba(74, 85, 104, 0.3);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 0.25rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  padding: 0.18rem 0.5rem;
  border-radius: 4px;
  background: rgba(74, 158, 255, 0.07);
  color: var(--text-muted);
  border: 1px solid rgba(74, 158, 255, 0.12);
}

.tag.funded {
  background: rgba(52, 211, 153, 0.08);
  color: var(--success);
  border-color: rgba(52, 211, 153, 0.2);
}

.tag.team {
  background: rgba(251, 191, 36, 0.07);
  color: var(--warning);
  border-color: rgba(251, 191, 36, 0.18);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.category-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.card-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--accent-blue);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.18s;
}
.card-link:hover { color: #7fbfff; }

/* ── Empty state ── */

.empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* ── Footer ── */

footer {
  border-top: 1px solid var(--border);
  padding: 1.75rem 1.5rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}
footer a {
  color: var(--accent-blue);
  text-decoration: none;
}
footer a:hover { text-decoration: underline; }

/* ── Responsive ── */

@media (max-width: 640px) {
  .controls { flex-direction: column; align-items: stretch; }
  .filter-group { justify-content: flex-start; }
  .sort-select { width: 100%; }
  .grid { grid-template-columns: 1fr; }
}