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

:root {
  --bg: #0a0e17;
  --surface: #111827;
  --border: #1f2937;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --green: #10b981;
  --code-bg: #1e293b;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container { max-width: 960px; margin: 0 auto; padding: 0 24px; }

header {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 { font-size: 1.2rem; }
header nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 24px;
  font-size: 0.9rem;
}
header nav a:hover { color: var(--text); }

.hero {
  text-align: center;
  padding: 80px 0 40px;
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #3b82f6, #10b981);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p { color: var(--muted); font-size: 1.1rem; max-width: 640px; margin: 0 auto 32px; }

.btn {
  display: inline-block;
  padding: 12px 28px;
  background: var(--accent);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.2s;
}
.btn:hover { background: var(--accent-hover); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  margin-left: 12px;
}
.btn-outline:hover { border-color: var(--accent); }

/* Demo Section */
.demo-section {
  padding: 40px 0;
}

.demo-section h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  text-align: center;
}

.demo-input {
  display: flex;
  gap: 12px;
  max-width: 600px;
  margin: 0 auto 24px;
}

.demo-input input {
  flex: 1;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
}

.demo-input input:focus {
  outline: none;
  border-color: var(--accent);
}

.demo-loading {
  text-align: center;
  color: var(--accent);
  padding: 20px;
  font-size: 0.95rem;
}

.demo-results {
  margin-top: 16px;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.result-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}

.result-card h4 {
  font-size: 0.95rem;
  margin-bottom: 12px;
  color: var(--accent);
}

.result-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
}

.result-row:last-child { border-bottom: none; }

.result-label {
  color: var(--muted);
  text-transform: capitalize;
}

.result-value {
  color: var(--text);
  font-weight: 500;
  text-align: right;
  max-width: 60%;
  word-break: break-word;
}

.raw-json {
  margin-top: 16px;
}

.raw-json summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 8px 0;
}

.raw-json summary:hover { color: var(--text); }

.muted { color: var(--muted); font-size: 0.85rem; }

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  overflow-x: auto;
  font-size: 0.8rem;
  line-height: 1.6;
  margin: 12px 0;
  max-height: 500px;
}

code { font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace; }

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 20px;
  padding: 40px 0;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.feature h3 { font-size: 1rem; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: 0.88rem; }

/* Use Cases */
.use-cases {
  padding: 40px 0;
}

.use-cases h2 {
  font-size: 1.5rem;
  margin-bottom: 24px;
  text-align: center;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}

.use-case {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.use-case strong { display: block; margin-bottom: 8px; font-size: 1rem; }
.use-case p { color: var(--muted); font-size: 0.88rem; }

/* Pricing */
.pricing {
  padding: 60px 0;
  text-align: center;
}

.pricing h2 { font-size: 1.8rem; margin-bottom: 8px; }
.pricing-sub { color: var(--muted); margin-bottom: 40px; }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.price-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 24px;
}
.price-card.popular { border-color: var(--accent); position: relative; }
.price-card.popular::after {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: white;
  padding: 2px 16px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}
.price-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.price-card .price { font-size: 2rem; font-weight: 700; margin: 16px 0 4px; }
.price-card .period { color: var(--muted); font-size: 0.85rem; margin-bottom: 16px; }
.price-card ul { list-style: none; margin: 16px 0 24px; text-align: left; }
.price-card li { padding: 4px 0; color: var(--muted); font-size: 0.88rem; }
.price-card li::before { content: "✓ "; color: var(--green); font-weight: 700; }

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 40px;
}

/* Signup form */
.signup-box {
  max-width: 420px;
  margin: 60px auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
}
.signup-box h2 { margin-bottom: 16px; }
.signup-box input {
  width: 100%;
  padding: 12px 14px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 12px;
}
.signup-box input:focus { outline: none; border-color: var(--accent); }
.signup-box .btn { width: 100%; text-align: center; }
.key-result {
  margin-top: 16px;
  padding: 16px;
  background: var(--code-bg);
  border-radius: 6px;
  word-break: break-all;
  font-family: monospace;
  display: none;
}

/* Demo Tabs */
.demo-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
}

.tab-btn {
  padding: 8px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.tab-btn.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.tab-btn:hover:not(.active) {
  border-color: var(--accent);
  color: var(--text);
}

/* Code Examples */
.code-examples {
  padding: 40px 0;
}

.code-examples h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  text-align: center;
}

.code-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 0;
  flex-wrap: wrap;
}

.code-tab-btn {
  padding: 6px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.2s;
}

.code-tab-btn.active {
  background: var(--code-bg);
  color: var(--text);
  border-color: var(--border);
}

.code-block {
  border-radius: 0 8px 8px 8px;
  margin-top: 0;
}

/* Status badges */
.status-ok { color: var(--green); font-weight: 600; }
.status-fail { color: #ef4444; font-weight: 600; }

/* Wide result card */
.result-card.wide {
  grid-column: 1 / -1;
}

/* Highlight feature cards */
.feature.highlight {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(59,130,246,0.08), rgba(16,185,129,0.05));
}

/* Comparison Table */
.comparison {
  padding: 60px 0;
}

.comparison h2 {
  font-size: 1.5rem;
  margin-bottom: 24px;
  text-align: center;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.compare-table th, .compare-table td {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.compare-table th {
  background: var(--code-bg);
  font-weight: 600;
  color: var(--text);
}

.compare-table th:nth-child(2) {
  color: var(--accent);
}

.compare-table td:first-child {
  color: var(--muted);
}

.compare-table td.check {
  color: var(--green);
  font-weight: 600;
}

.compare-table tr:last-child td {
  border-bottom: none;
}

/* Pricing note */
.pricing-note {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 24px;
}

.pricing-note a {
  color: var(--accent);
  text-decoration: none;
}

.pricing-note a:hover {
  text-decoration: underline;
}

/* Contact Form */
.contact-section {
  padding: 60px 0;
  text-align: center;
}

.contact-section h2 {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.contact-sub {
  color: var(--muted);
  margin-bottom: 32px;
}

.contact-form {
  max-width: 560px;
  margin: 0 auto;
  text-align: left;
}

.contact-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-field {
  margin-bottom: 16px;
}

.contact-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.contact-field .required {
  color: #ef4444;
}

.contact-field .optional {
  color: var(--muted);
  font-weight: 400;
  font-size: 0.8rem;
}

.contact-field input,
.contact-field textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

.contact-field input:focus,
.contact-field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-field textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form .btn {
  width: 100%;
  text-align: center;
  margin-top: 8px;
}

.contact-status {
  text-align: center;
  font-size: 0.9rem;
  margin-top: 12px;
  display: none;
}

.contact-status.success {
  color: var(--green);
}

.contact-status.error {
  color: #ef4444;
}

/* Responsive */
@media (max-width: 640px) {
  .hero h2 { font-size: 1.8rem; }
  .demo-input { flex-direction: column; }
  .result-grid { grid-template-columns: 1fr; }
  .code-tabs { gap: 2px; }
  .compare-table { font-size: 0.8rem; }
  .compare-table th, .compare-table td { padding: 10px 12px; }
  .contact-row { grid-template-columns: 1fr; }
}