:root {
  --bg: #f8f8f8;
  --surface: #ffffff;
  --text: #1a1a1a;
  --muted: #555555;
  --primary: #0d6efd;
  --primary-dark: #0845c9;
  --border: #e5e5e5;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

body.voice-demo-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
}

.hero,
.page-hero {
  padding: 4rem 0;
}

.hero-content,
.contact-grid {
  display: grid;
  gap: 1.5rem;
}

.hero-content {
  grid-template-columns: 1.5fr 1fr;
  align-items: center;
}

.hero-card,
.content-block,
.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

.hero-card ul,
.grid-3,
.grid-4 {
  list-style: none;
  margin: 0;
  padding: 0;
}

.hero-card ul li {
  margin-bottom: 0.75rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 1rem;
}

h1,
h2,
h3 {
  margin: 0 0 1rem;
}

p {
  margin: 0 0 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.5rem;
  background: var(--primary);
  color: white;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease;
}

.button:hover {
  background: var(--primary-dark);
}

.voice-button {
  padding: 0.85rem 1.25rem;
  background: #0b5ed7;
  color: white;
  border-radius: 999px;
  border: none;
  font: inherit;
}

.voice-button:hover {
  background: #0747a6;
}

.voice-demo-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(16, 24, 40, 0.65);
  padding: 1.5rem;
  z-index: 1000;
  overflow-y: auto;
}

.voice-demo-overlay.open {
  display: flex;
}

.voice-demo-modal {
  width: min(900px, 100%);
  max-height: min(90vh, 900px);
  overflow: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 24px 80px rgba(15, 23, 42, 0.18);
  padding: 1.5rem;
  display: grid;
  gap: 1.25rem;
}

.voice-demo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.voice-demo-status {
  margin-bottom: 1rem;
  color: var(--muted);
}

.voice-demo-body {
  display: block;
}

.voice-demo-panel {
  display: grid;
  gap: 1rem;
}

.voice-demo-transcript,
.voice-demo-suggestions {
  display: none;
}

.voice-demo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: flex-start;
}

.voice-demo-message {
  margin-bottom: 1rem;
  padding: 0.95rem 1rem;
  border-radius: 1rem;
  line-height: 1.5;
}

.voice-demo-message.user {
  background: #e7f1ff;
  color: #0b3c82;
}

.voice-demo-message.assistant {
  background: #ffffff;
  border: 1px solid #d1d5db;
}

.voice-demo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.voice-demo-suggestions {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

.voice-demo-suggestions h3 {
  margin-top: 0;
}

.suggestion-button {
  display: block;
  width: 100%;
  text-align: left;
  margin-top: 0.75rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  background: white;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.suggestion-button:hover {
  background: #f4f7ff;
  border-color: #c7d2fe;
}

.close-button {
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: white;
  color: var(--text);
  font-size: 1.2rem;
  cursor: pointer;
}

.voice-demo-note {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}

@media (max-width: 800px) {
  .voice-demo-body {
    grid-template-columns: 1fr;
  }
}

.bg-light {
  background: #fbfcff;
}

.content-block {
  padding: 3rem 0;
}

.grid-3,
.grid-4 {
  display: grid;
  gap: 1.5rem;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.content-block article,
.grid-3 > div,
.grid-4 > article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.form-group,
.contact-form label {
  display: block;
  margin-bottom: 0.5rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  font: inherit;
}

.contact-form button {
  margin-top: 1rem;
}

.status-text {
  margin-top: 1rem;
  color: var(--muted);
}

.site-footer {
  padding: 1.5rem 0;
}

.footer-inner {
  flex-direction: column;
  text-align: center;
}

@media (max-width: 900px) {
  .hero-content,
  .grid-3,
  .grid-4,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 650px) {
  .site-nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .header-inner,
  .footer-inner {
    flex-direction: column;
    align-items: stretch;
  }
}