:root {
  --background: #f6f7fb;
  --surface: #ffffff;
  --surface-muted: #eef2f6;
  --border: #e3e8ef;
  --text: #101828;
  --text-secondary: #475467;
  --text-muted: #98a2b3;
  --primary: #101828;
  --primary-text: #ffffff;
  --accent: #0e9384;
  --accent-soft: #ccfbef;
  --shadow: 0 12px 32px rgba(16, 24, 40, 0.08);
  --radius-lg: 16px;
  --radius-xl: 24px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

.container {
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(246, 247, 251, 0.88);
  border-bottom: 1px solid rgba(227, 232, 239, 0.8);
}

.header-inner,
.footer-inner,
.hero-grid,
.privacy-panel,
.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.header-inner {
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
}

.brand-mark,
.mic-button img {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 999px;
}

.brand-mark,
.mic-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  overflow: hidden;
  flex-shrink: 0;
}

.mic-button {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  padding: 18px;
  background: var(--primary);
}

.nav {
  display: none;
  gap: 24px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.button-primary {
  background: var(--primary);
  color: var(--primary-text);
}

.button-secondary {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

.hero {
  padding: 72px 0 48px;
}

.hero-grid {
  align-items: center;
}

.hero-copy {
  flex: 1.1;
}

.hero-card {
  flex: 0.9;
  display: flex;
  justify-content: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: -0.03em;
}

.lead,
.section-heading p,
.privacy-panel p,
.cta-panel p {
  color: var(--text-secondary);
  font-size: 18px;
}

.lead {
  max-width: 620px;
  margin: 20px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-note,
.cta-footnote {
  margin-top: 18px;
  color: var(--text-muted);
  font-size: 14px;
}

.phone-shell {
  width: min(100%, 360px);
  padding: 14px;
  border-radius: 32px;
  background: linear-gradient(180deg, #ffffff 0%, #eef2f6 100%);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.phone-screen {
  padding: 24px 20px;
  border-radius: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.screen-top,
.tags {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.screen-label {
  font-weight: 700;
}

.screen-time {
  color: var(--text-muted);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.mic-button {
  width: 120px;
  height: 120px;
  margin: 28px auto 16px;
  font-size: 42px;
}

.screen-caption {
  text-align: center;
  color: var(--text-secondary);
  font-size: 15px;
}

.memory-card {
  margin-top: 24px;
  padding: 16px;
  border-radius: var(--radius-lg);
  background: var(--surface-muted);
  border: 1px solid var(--border);
}

.memory-card strong {
  display: block;
  margin-bottom: 4px;
}

.memory-card span {
  color: var(--text-muted);
  font-size: 13px;
}

.memory-card p {
  margin: 12px 0;
  color: var(--text-secondary);
}

.tags span {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
}

.section {
  padding: 72px 0;
}

.section-muted {
  background: var(--surface-muted);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 32px;
}

.steps,
.feature-grid,
.comparison-grid,
.use-case-grid,
.faq-list {
  display: grid;
  gap: 20px;
}

.step-card,
.feature-card,
.comparison-card,
.use-case-card,
.faq-item,
.privacy-panel,
.cta-panel {
  padding: 24px;
  border-radius: var(--radius-xl);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.comparison-card h3,
.use-case-card h3,
.faq-item h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.comparison-card p,
.use-case-card p,
.faq-item p {
  margin: 0;
  color: var(--text-secondary);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-bottom: 16px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

.step-card h3,
.feature-card h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.step-card p,
.feature-card p {
  margin: 0;
  color: var(--text-secondary);
}

.privacy-panel {
  align-items: flex-start;
}

.privacy-list {
  margin: 0;
  padding-left: 18px;
  color: var(--text-secondary);
}

.privacy-list li + li {
  margin-top: 8px;
}

.section-cta {
  padding-bottom: 96px;
}

.cta-panel {
  flex-direction: column;
  align-items: stretch;
  background: linear-gradient(180deg, #ffffff 0%, #eaf7f2 100%);
}

.waitlist-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.waitlist-form input {
  flex: 1 1 240px;
  min-height: 48px;
  padding: 0 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  font: inherit;
}

.site-footer {
  padding: 24px 0 40px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 14px;
}

.footer-inner {
  flex-direction: column;
  align-items: flex-start;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (min-width: 768px) {
  .nav {
    display: flex;
  }

  .header-cta {
    display: inline-flex;
  }

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

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

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

  .use-case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .privacy-panel,
  .cta-panel {
    flex-direction: row;
    align-items: center;
  }

  .footer-inner {
    flex-direction: row;
    align-items: center;
  }
}

@media (max-width: 767px) {
  .header-cta {
    display: none;
  }

  .hero-grid,
  .privacy-panel {
    flex-direction: column;
  }
}