:root {
  --bg: #0a0a1a;
  --bg-card: #16213e;
  --bg-input: #1a1a3e;
  --border: #2a2a4a;
  --text: #e0e0e0;
  --text-muted: #888;
  --accent: #06b6d4;
  --accent-hover: #22d3ee;
  --success: #22c55e;
  --warning: #facc15;
  --danger: #ef4444;
  --radius: 8px;
}

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

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  cursor: pointer;
}

.header .logo span { color: var(--text); }

.header nav { display: flex; gap: 16px; align-items: center; }
.header nav a { color: var(--text-muted); font-size: 14px; font-weight: 500; }
.header nav a:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--bg-input); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 14px; color: var(--text-muted); }
.form-group input, .form-group select {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--accent);
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

/* Stat cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.stat-card .value { font-size: 28px; font-weight: 700; color: var(--accent); }
.stat-card .label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { font-size: 13px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
td { font-size: 14px; }

/* Landing page */
.hero {
  text-align: center;
  padding: 80px 24px 60px;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p { font-size: 18px; color: var(--text-muted); max-width: 600px; margin: 0 auto; }

.hero .cta { margin-top: 32px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 40px auto;
  padding: 0 24px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 30px rgba(6, 182, 212, 0.15);
}

.pricing-card .badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #000;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
}

.pricing-card h3 { font-size: 20px; margin-bottom: 8px; }
.pricing-card .price { font-size: 36px; font-weight: 700; color: var(--accent); margin: 16px 0; }
.pricing-card .price span { font-size: 16px; color: var(--text-muted); }
.pricing-card ul { list-style: none; text-align: left; margin: 20px 0; }
.pricing-card ul li { padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.pricing-card ul li::before { content: '✓ '; color: var(--success); font-weight: bold; }

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px 60px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.feature-card h4 { color: var(--accent); margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-muted); }

/* Scan results */
.grade-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  font-size: 24px;
  font-weight: 700;
  border: 3px solid;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar .fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transition: width 0.3s;
}

/* Layout */
.container { max-width: 1200px; margin: 0 auto; padding: 24px; }
.page-title { font-size: 24px; font-weight: 700; margin-bottom: 24px; }
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.flex { display: flex; }
.gap-16 { gap: 16px; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* Iris Chat Widget */
.iris-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #000;
  border: none;
  cursor: pointer;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.3);
  z-index: 1000;
  transition: transform 0.2s;
}
.iris-fab:hover { transform: scale(1.1); }

.iris-panel {
  position: fixed;
  bottom: 90px;
  right: 24px;
  width: 360px;
  max-height: 500px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: none;
  flex-direction: column;
  z-index: 1000;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.iris-panel.open { display: flex; }

.iris-header {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.iris-header .dot { width: 10px; height: 10px; background: var(--success); border-radius: 50%; }
.iris-header strong { color: var(--accent); }

.iris-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  max-height: 340px;
}

.iris-msg {
  margin-bottom: 12px;
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
}

.iris-msg.user { background: var(--accent); color: #000; margin-left: auto; border-bottom-right-radius: 4px; }
.iris-msg.assistant { background: var(--bg-input); color: var(--text); border-bottom-left-radius: 4px; }

.iris-input {
  display: flex;
  padding: 12px;
  border-top: 1px solid var(--border);
  gap: 8px;
}

.iris-input input {
  flex: 1;
  padding: 8px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}

.iris-input input:focus { outline: none; border-color: var(--accent); }
.iris-input button { background: var(--accent); border: none; color: #000; width: 36px; height: 36px; border-radius: 50%; cursor: pointer; font-size: 16px; }

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 32px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .header nav { gap: 10px; }
  .iris-panel { width: calc(100% - 48px); right: 24px; }
}