* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #fafafa;
  --text-primary: #0a0a0a;
  --text-secondary: #737373;
  --accent: #0a0a0a;
  --accent-hover: #262626;
  --border: #e5e5e5;
  --success: #059669;
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary); color: var(--text-primary); line-height: 1.6;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}
.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
header {
  padding: 24px 0; border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, .8); backdrop-filter: blur(12px);
  position: sticky; top: 0; z-index: 100;
}
.header-content { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.logo { font-family: 'Space Grotesk', sans-serif; font-size: 22px; font-weight: 700; text-decoration: none; letter-spacing: -.02em; }
.coming-soon-badge { background: var(--bg-secondary); padding: 6px 14px; border-radius: 6px; font-size: 12px; font-weight: 500; color: var(--text-secondary); border: 1px solid var(--border); }
.hero { padding: 80px 0 60px; }
.hero-layout { display: grid; gap: 48px; align-items: center; }
.hero-copy { min-width: 0; }
h1, h2, h3 { font-family: 'Space Grotesk', sans-serif; }
.hero h1 { font-size: 40px; font-weight: 700; line-height: 1.1; margin-bottom: 20px; letter-spacing: -.03em; }
.hero-description { font-size: 18px; color: var(--text-secondary); max-width: 580px; margin-bottom: 28px; line-height: 1.6; }
.phone-frame { width: min(100%, 300px); margin: 0 auto; border: 8px solid var(--accent); border-radius: 44px; overflow: hidden; background: var(--accent); box-shadow: 0 16px 48px rgba(0,0,0,.08); }
.phone-frame img { display: block; width: 100%; height: auto; border-radius: 34px; }
.waitlist-form { max-width: 460px; margin: 0 auto; position: relative; }
.hero .waitlist-form { margin-left: 0; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
input[type="email"] { width: 100%; min-width: 0; flex: 1; padding: 14px 18px; font-size: 16px; border: 1px solid var(--border); border-radius: 8px; font-family: inherit; transition: border-color .2s, box-shadow .2s; background: var(--bg-primary); }
input[type="email"]:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(10,10,10,.05); }
input[type="email"]::placeholder { color: #a3a3a3; }
button[type="submit"] { padding: 14px 28px; background: var(--accent); color: white; border: none; border-radius: 8px; font-size: 15px; font-weight: 600; cursor: pointer; font-family: inherit; transition: background .2s, transform .2s; white-space: nowrap; }
button[type="submit"]:hover { background: var(--accent-hover); transform: translateY(-1px); }
button[type="submit"]:active { transform: translateY(0); }
button[type="submit"]:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.form-note { font-size: 13px; color: var(--text-secondary); text-align: center; }
.success-message, .error-message { padding: 16px; border-radius: 8px; text-align: center; font-weight: 500; font-size: 14px; }
.success-message { background: #f0fdf4; border: 1px solid #86efac; color: var(--success); }
.error-message { background: #fef2f2; border: 1px solid #fecaca; color: #dc2626; margin-top: 12px; }
[hidden] { display: none !important; }
.sr-only, .honeypot { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.how-it-works { padding: 60px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-title { font-size: 32px; font-weight: 700; text-align: center; margin-bottom: 48px; letter-spacing: -.02em; line-height: 1.2; }
.steps { list-style: none; display: grid; grid-template-columns: minmax(0, 1fr); gap: 48px; }
.step { text-align: center; }
.step-number { display: block; font-family: 'Space Grotesk', sans-serif; font-size: 48px; font-weight: 700; letter-spacing: -.02em; margin-bottom: 8px; }
.step h3 { font-size: 20px; margin-bottom: 12px; }
.step p { font-size: 15px; color: var(--text-secondary); }
.features { padding: 80px 0; background: var(--bg-secondary); }
.features-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px; }
.feature-card { background: var(--bg-primary); padding: 40px 32px; border-radius: 12px; border: 1px solid var(--border); transition: transform .2s, box-shadow .2s; }
.feature-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.06); }
.feature-icon { width: 40px; height: 40px; display: block; margin-bottom: 20px; stroke: currentColor; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.feature-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 12px; letter-spacing: -.01em; line-height: 1.4; }
.feature-card p { color: var(--text-secondary); font-size: 15px; line-height: 1.6; }
.who, .cta { padding: 80px 0; text-align: center; }
.who .section-title, .cta .section-title { margin-bottom: 24px; }
.who p { max-width: 680px; margin: 0 auto; color: var(--text-secondary); font-size: 18px; line-height: 1.7; }
.cta { border-top: 1px solid var(--border); }
.cta .section-title { max-width: 680px; margin-left: auto; margin-right: auto; }
footer { padding: 48px 0; text-align: center; border-top: 1px solid var(--border); }
footer p { color: var(--text-secondary); font-size: 14px; }
footer a { text-underline-offset: 3px; }
.legal { max-width: 800px; padding-top: 60px; padding-bottom: 80px; overflow-wrap: anywhere; }
.legal h1 { font-size: 40px; letter-spacing: -.03em; line-height: 1.15; margin-bottom: 24px; }
.legal h2 { font-size: 26px; line-height: 1.3; margin: 32px 0 16px; }
.legal h3 { font-size: 20px; margin: 24px 0 12px; }
.legal p, .legal ul, .legal ol, .legal table { margin-bottom: 16px; }
.legal ul, .legal ol { padding-left: 24px; }
.legal li { margin-bottom: 6px; }
.legal hr { border: 0; border-top: 1px solid var(--border); margin: 32px 0; }
.legal table { border-collapse: collapse; width: 100%; font-size: 14px; }
.legal th, .legal td { border: 1px solid var(--border); padding: 10px; text-align: left; }
@media (min-width: 641px) {
  .container { padding-left: 32px; padding-right: 32px; }
  header { padding: 32px 0; }
  .coming-soon-badge { font-size: 13px; }
  .form-group { flex-direction: row; }
  .hero h1 { font-size: 52px; }
  .section-title { font-size: 40px; }
  .features-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 901px) {
  .hero { padding: 80px 0; }
  .hero-layout { grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); gap: 64px; }
  .hero h1 { font-size: 64px; }
  .hero-description { font-size: 19px; }
  .how-it-works { padding: 80px 0; }
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .features, .who, .cta { padding: 100px 0; }
  .features-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .section-title { font-size: 48px; margin-bottom: 72px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}