:root {
  --base: #0e1013;
  --panel: #131619;
  --cream: #fffdf7;
  --surface: #f2f0ea;
  --sage: #7e9070;
  --sage-hover: #93a886;
  --sage-dark: #6b7d61;
  --terracotta: #c07f72;
  --mustard: #e0b647;
  --border: #2a2e33;
  --font: -apple-system, "Segoe UI", Inter, Helvetica, Arial, sans-serif;
  --mono: "Cascadia Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --page-max: 1120px;
  --pad: 24px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--base);
  color: var(--cream);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: top 0.16s ease;
}
.skip-link:focus-visible { top: 12px; }

:focus-visible {
  outline: 2px solid var(--sage);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 24px;
  border-radius: 8px;
  font: 600 16px var(--font);
  cursor: pointer;
  border: none;
  transition: background-color 0.15s ease, opacity 0.15s ease;
}
.btn--primary {
  background: var(--sage);
  color: var(--base);
}
.btn--primary:hover { background: var(--sage-hover); }
.btn--primary:active { background: var(--sage-dark); }
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.4;
  cursor: not-allowed;
}
.btn--lg { padding: 0 28px; min-height: 48px; }
.btn--block { width: 100%; }
.btn--nav { padding: 0 16px; font-size: 14px; }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(14, 16, 19, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 12px var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 16px;
}

/* Hero */
.hero { padding: 48px var(--pad) 32px; }
.hero__inner {
  max-width: var(--page-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.hero h1 {
  font: 600 28px/1.15 var(--font);
  margin-bottom: 12px;
}
.hero__sub {
  font: 400 16px/1.5 var(--font);
  color: var(--surface);
  opacity: 0.85;
  margin-bottom: 24px;
  max-width: 480px;
}
.demo-placeholder {
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--surface);
  opacity: 0.6;
  font-size: 14px;
  padding: 16px;
}

/* Benefits */
.benefits { padding: 32px var(--pad); }
.benefits__grid {
  max-width: var(--page-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.benefit__icon { font-size: 24px; display: block; margin-bottom: 8px; }
.benefit h3 { font: 600 15px/1.3 var(--font); margin-bottom: 8px; }
.benefit p { font: 400 15px/1.5 var(--font); color: var(--surface); opacity: 0.8; }

/* Content sections (v3) */
.section { padding: 32px var(--pad); }
.section--muted { background: var(--panel); }
.section__inner { max-width: var(--page-max); margin: 0 auto; }
.section__title { font: 600 22px/1.2 var(--font); margin-bottom: 16px; }
.benefits .section__inner { margin-bottom: 8px; }
.section__lead { color: var(--surface); opacity: 0.85; max-width: 640px; }
.section__note { margin-top: 16px; font-size: 14px; color: var(--mustard); }
.plainlist { display: flex; flex-direction: column; gap: 12px; max-width: 720px; }
.plainlist li { color: var(--surface); opacity: 0.9; }
.plainlist strong { color: var(--cream); }
.sublist { margin: 8px 0 0 20px; padding: 0; list-style: disc; display: flex; flex-direction: column; gap: 4px; }

/* Social proof */
.proof { padding: 16px var(--pad) 32px; text-align: center; }
.proof__line {
  max-width: var(--page-max);
  margin: 0 auto;
  font-size: 14px;
  color: var(--surface);
  opacity: 0.6;
}

/* Offer */
.offer { padding: 0 var(--pad) 32px; text-align: center; }
.offer__line {
  max-width: 480px;
  margin: 0 auto;
  font-size: 15px;
  color: var(--mustard);
}

/* Closing */
.closing { padding: 48px var(--pad) 64px; text-align: center; }
.closing__inner { max-width: 480px; margin: 0 auto; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.closing__note { font-size: 13px; color: var(--surface); opacity: 0.6; }
.closing__option { font-size: 15px; margin-bottom: 4px; }
.closing .btn { margin-top: 12px; }

/* Waitlist */
.waitlist { padding: 32px var(--pad) 64px; background: var(--panel); }
.waitlist__inner { max-width: 480px; margin: 0 auto; }
.waitlist h2 { font: 600 22px/1.2 var(--font); margin-bottom: 8px; }
.waitlist__sub { color: var(--surface); opacity: 0.8; margin-bottom: 24px; }
.waitlist-form { display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font: 600 13px var(--font); }
.field__optional { font-weight: 400; opacity: 0.6; }
.field input,
.field select,
.field textarea {
  background: var(--base);
  color: var(--cream);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  font: 400 16px var(--font);
  resize: vertical;
}
.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: none;
  border-color: var(--sage);
  box-shadow: 0 0 0 3px rgba(126, 144, 112, 0.35);
}
.field--error input,
.field--error textarea { border-color: var(--terracotta); }
.field__help {
  font-size: 13px;
  color: var(--terracotta);
}
.field--success::after {
  content: "✓";
  color: var(--sage);
}
.form-status {
  font-size: 14px;
  padding: 12px 14px;
  border-radius: 8px;
}
.form-status--success { background: rgba(126, 144, 112, 0.15); color: var(--sage-hover); }
.form-status--error { background: rgba(192, 127, 114, 0.15); color: var(--terracotta); }

/* Footer */
.footer { padding: 32px var(--pad) 48px; border-top: 1px solid var(--border); }
.footer__inner {
  max-width: var(--page-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}
.footer__links { display: flex; gap: 16px; font-size: 13px; }
.footer__links a { text-decoration: underline; opacity: 0.8; }
.footer__meta {
  font-size: 12px;
  color: var(--surface);
  opacity: 0.5;
  line-height: 1.6;
}
.footer__meta a { text-decoration: underline; }

/* Draft legal banner */
.draft-banner {
  background: rgba(224, 182, 71, 0.15);
  color: var(--mustard);
  border: 1px solid var(--mustard);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
  max-width: var(--page-max);
  margin: 16px auto 0;
}
.legal { padding: 32px var(--pad) 64px; }
.legal__inner { max-width: 640px; margin: 0 auto; }
.legal h1 { font: 600 28px/1.2 var(--font); margin: 24px 0 16px; }
.legal p { margin-bottom: 16px; color: var(--surface); }
.legal a { text-decoration: underline; }

.notfound { padding: 96px var(--pad); text-align: center; }
.notfound h1 { font: 600 28px/1.2 var(--font); margin-bottom: 16px; }
.notfound .btn { margin-top: 16px; }

/* Tablet */
@media (min-width: 640px) {
  .benefits__grid { grid-template-columns: repeat(2, 1fr); }
  .hero__copy { max-width: 480px; }
}

/* Desktop */
@media (min-width: 1024px) {
  :root { --pad: 64px; }
  .hero { padding: 96px var(--pad); }
  .hero__inner { flex-direction: row; align-items: center; gap: 64px; }
  .hero__copy { flex: 1; }
  .hero__demo { flex: 1; }
  .hero h1 { font: 600 48px/1.1 var(--font); }
  .hero__sub { font-size: 20px; }
  .benefits { padding: 64px var(--pad); }
  .section { padding: 64px var(--pad); }
  .section__title { font-size: 28px; }
  .benefits__grid { grid-template-columns: repeat(3, 1fr); gap: 32px; }
  .benefit h3, .benefit p { font-size: 17px; }
  .waitlist { padding: 64px var(--pad); }
}

@media (min-width: 1440px) {
  :root { --pad: 96px; }
}