/* Blik.it.com - Cyber-Utilitarian Edge Link Engine */
:root {
  --bg-primary: #07090E;
  --bg-surface: #0E131F;
  --bg-elevated: #161D2E;
  --border-color: #1F2A40;
  --accent-emerald: #10B981;
  --accent-emerald-hover: #059669;
  --accent-glow: rgba(16, 185, 129, 0.2);
  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --font-display: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-display);
  line-height: 1.6;
}

a { color: var(--accent-emerald); text-decoration: none; }
a:hover { color: #6EE7B7; }

header {
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.brand-dot {
  width: 10px;
  height: 10px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-emerald);
}

nav.main-nav { display: flex; gap: 1.25rem; }
nav.main-nav a { color: var(--text-secondary); font-size: 0.9rem; font-weight: 500; }
nav.main-nav a:hover { color: var(--text-primary); }

.hero {
  padding: 5rem 1.5rem 3.5rem 1.5rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  background: linear-gradient(180deg, #FFFFFF 0%, #94A3B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 2.5rem auto;
}

.link-builder-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  max-width: 640px;
  margin: 0 auto 3rem auto;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.input-group {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.input-group input {
  flex: 1;
  padding: 0.85rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  outline: none;
}
.input-group input:focus { border-color: var(--accent-emerald); }

.btn-emerald {
  background: var(--accent-emerald);
  color: #07090E;
  font-weight: 700;
  border: none;
  border-radius: 6px;
  padding: 0.85rem 1.5rem;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}
.btn-emerald:hover { background: var(--accent-emerald-hover); transform: translateY(-1px); }

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem 4rem 1.5rem; }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 2.5rem 0;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.75rem;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.925rem;
}

footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}
footer a { color: var(--text-secondary); margin: 0 0.5rem; }