/* ─── Variables ─────────────────────────────────────────────────────────── */
:root {
  --bg: #0a0a0b;
  --card-bg: #121214;
  --rust: #cd4a1f;
  --rust-hot: #f07a40;
  --text: #e1e1e6;
  --muted: #88888f;
  --border: rgba(255, 255, 255, 0.08);
  
  --display: 'Rajdhani', sans-serif;
  --mono: 'Share Tech Mono', monospace;
  --sans: 'Inter', sans-serif;
}

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

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.5;
  overflow-x: hidden;
}

.noise {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: url('https://grainy-gradients.vercel.app/noise.svg');
  opacity: 0.05; pointer-events: none; z-index: 999;
}

#particles-js {
  position: fixed; width: 100%; height: 100%;
  top: 0; left: 0; z-index: -1;
}

/* ─── Layout ─────────────────────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 0;
}

.hero-content {
  width: 100%;
  max-width: 600px;
  text-align: center;
}

.hero-header { margin-bottom: 3rem; }

.site-title {
  font-family: var(--display);
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.site-title .accent { color: var(--rust); }

.site-tagline {
  font-family: var(--mono);
  color: var(--muted);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

/* ─── Search card ────────────────────────────────────────────────────────────── */
.search-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 2.5rem;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  position: relative;
  overflow: hidden;
}

.search-card::before {
  content: '';
  position: absolute; top: 0; left: 0; width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--rust), var(--rust-hot));
}

.search-card-inner { position: relative; z-index: 1; }

.search-label {
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: .04em;
}

.search-form {
  display: flex;
  gap: .75rem;
}

.input-wrap {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute; left: 14px;
  color: var(--muted);
  display: flex; align-items: center;
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: .85rem 1rem .85rem 2.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: .75rem;
  color: #fff;
  font-family: var(--mono);
  font-size: 1rem;
  transition: all .2s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--rust);
  box-shadow: 0 0 0 4px rgba(205, 74, 31, 0.15);
}

.search-input::placeholder { color: var(--muted); }

.search-btn {
  padding: 0 1.5rem;
  background: var(--rust);
  border: none;
  border-radius: .75rem;
  color: #fff;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  display: flex; align-items: center; gap: .5rem;
  transition: all .2s ease;
}

.search-btn:hover {
  background: var(--rust-hot);
  transform: translateY(-1px);
}

.search-btn:active { transform: translateY(0); }

.search-hint {
  margin-top: 1.5rem;
  font-size: .85rem;
  color: var(--muted);
}

.search-hint a { color: var(--rust-hot); text-decoration: none; }
.search-hint a:hover { text-decoration: underline; }

/* ─── Features ───────────────────────────────────────────────────────────── */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.feature {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.feature-icon { font-size: 1.5rem; }

.feature-text strong {
  display: block;
  font-family: var(--display);
  font-size: .9rem;
  text-transform: uppercase;
  color: var(--text);
}

.feature-text span {
  font-size: .8rem;
  color: var(--muted);
}

/* ─── Error banner ────────────────────────────────────────────────────────── */
.error-banner {
  margin-top: 1.5rem;
  padding: 1rem;
  background: rgba(239, 68, 68, 0.1);
  border-left: 3px solid #ef4444;
  border-radius: .5rem;
  display: flex;
  align-items: center;
  gap: .75rem;
  color: #f87171;
  font-size: .9rem;
  text-align: left;
}

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .site-title { font-size: 3rem; }
  .features { grid-template-columns: 1fr; }
  .search-form { flex-direction: column; }
  .search-btn  { justify-content: center; }
}