:root {
  --bg: #f4f4f6;
  --surface: #ffffff;
  --surface-2: #fafafb;
  --ink: #0a0a0b;
  --ink-2: #15151a;
  --body: #24242a;
  --muted: #5c5c66;
  --faint: #8a8a96;
  --border: #ebebef;
  --border-strong: #dcdce2;
  --blue: #0389ff;
  --blue-ink: #0264bd;
  --blue-wash: #f3f9ff;
  --green: #1f7a48;
  --green-bg: #e7f6ee;
  --yellow-bg: #fff8dd;
  --yellow-ink: #7a5a00;
  --font-sans: "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--blue-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4, p { margin-top: 0; }
h1 { margin-bottom: 12px; font-size: 42px; line-height: 1.04; letter-spacing: 0; text-wrap: balance; }
h2 { margin-bottom: 0; color: var(--ink-2); font-size: 24px; line-height: 1.15; letter-spacing: 0; text-wrap: balance; }
h3 { margin-bottom: 6px; color: var(--ink-2); font-size: 15px; line-height: 1.2; }
h4 { margin: 0 0 6px; color: var(--ink-2); font-size: 12px; }

input, select, textarea {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--border-strong);
  border-radius: 0;
  background: #fff;
  color: var(--ink-2);
  font: 13px var(--font-sans);
  padding: 8px 11px;
}

textarea { min-height: 88px; resize: vertical; line-height: 1.5; }

input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(3, 137, 255, 0.15);
}

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  padding: 9px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  text-align: left;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
td { padding: 11px 14px; border-bottom: 1px solid #f0f0f3; color: var(--body); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }

.public-topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 32px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
}

.brand { display: flex; align-items: center; gap: 8px; color: inherit; font-size: 16px; font-weight: 700; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand-icon { width: 24px; height: 24px; }
.brand-suffix { color: var(--blue); font-family: var(--font-mono); font-size: 9.5px; font-weight: 500; }
.public-nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.public-nav a:not(.button) { color: var(--muted); font-size: 13.5px; font-weight: 500; }

.public-shell { width: min(1180px, calc(100vw - 48px)); margin: 0 auto; padding: 28px 0 56px; }

.eyebrow {
  margin-bottom: 7px;
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  border-radius: 0;
  background: #fff;
  color: var(--ink-2);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.button:hover { border-color: var(--blue); color: var(--blue-ink); text-decoration: none; }
.button.primary { border-color: var(--blue); background: var(--blue); color: #fff; }
.button.primary:hover { background: #026ecc; color: #fff; }
.button:disabled { cursor: wait; opacity: 0.65; }

.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(420px, 1.04fr);
  gap: 24px;
  align-items: stretch;
  padding: 18px 0 28px;
}

.hero-copy {
  min-height: 500px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px 0;
}

.hero-subline { max-width: 720px; margin-bottom: 18px; color: var(--muted); font-size: 16px; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }

.signal-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  max-width: 640px;
}
.signal-strip div {
  display: grid;
  gap: 3px;
  padding: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
}
.signal-strip strong { color: var(--ink-2); font-size: 13px; }
.signal-strip span { color: var(--muted); font-size: 12px; }

.hero-preview { align-self: stretch; border: 1px solid var(--border); background: var(--surface); overflow: hidden; }
.preview-bar { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 11px 14px; border-bottom: 1px solid var(--border); background: var(--surface-2); color: var(--muted); font-family: var(--font-mono); font-size: 11px; }
.preview-bar strong { color: var(--blue-ink); font-weight: 600; white-space: nowrap; }
.status-dot { display: inline-block; width: 8px; height: 8px; margin-right: 6px; border-radius: 50%; background: #1f9d55; }

.sample-alert { display: grid; gap: 10px; padding: 18px; }
.sample-alert h2 { max-width: 560px; font-size: 24px; line-height: 1.12; }
.sample-alert p { margin: 0; color: var(--muted); }
.sample-alert dl { display: grid; gap: 10px; margin: 4px 0 0; }
.sample-alert dt { color: var(--faint); font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.07em; }
.sample-alert dd { margin: 3px 0 0; color: var(--body); }

.badge { display: inline-flex; align-items: center; width: fit-content; min-height: 20px; padding: 0 7px; font-family: var(--font-mono); font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.badge.strong { background: var(--green-bg); color: var(--green); }

.landing-band { display: grid; grid-template-columns: minmax(260px, 0.68fr) minmax(0, 1.32fr); gap: 24px; align-items: start; padding: 32px 0; border-top: 1px solid var(--border); }

.waitlist-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; padding: 16px; border: 1px solid var(--border); background: var(--surface); }
.field { display: grid; gap: 5px; }
.field label { color: var(--faint); font-family: var(--font-mono); font-size: 10.5px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; }
.form-wide, .waitlist-form .button, .form-note, .form-status { grid-column: 1 / -1; }
.form-note { margin: -2px 0 0; color: var(--faint); font-family: var(--font-mono); font-size: 11px; }
.form-status { margin: 4px 0 0; color: var(--blue-ink); font-size: 12px; font-weight: 600; }

.proof-grid, .feature-grid, .pricing-grid, .creative-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.proof-grid div, .feature-grid article, .pricing-grid article, .faq-list details, .creative-card, .alert-shell { border: 1px solid var(--border); background: var(--surface); }
.proof-grid div { padding: 14px; color: var(--body); font-weight: 600; }
.feature-grid article, .pricing-grid article, .creative-card { padding: 14px; }
.feature-grid p, .pricing-grid p, .faq-list p, .creative-card p { margin: 0; color: var(--muted); font-size: 13px; }
.feature-kicker { display: block; margin-bottom: 12px; color: var(--blue-ink); font-family: var(--font-mono); font-size: 11px; font-weight: 600; }

.alert-shell { padding: 0; overflow: hidden; }
.alert-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 16px; border-bottom: 1px solid var(--border); }
.alert-header h3 { margin: 9px 0 0; font-size: 21px; }
.deadline-chip { display: inline-flex; align-items: center; min-height: 28px; padding: 0 10px; background: var(--yellow-bg); color: var(--yellow-ink); font-family: var(--font-mono); font-size: 11px; font-weight: 600; white-space: nowrap; }
.alert-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-bottom: 1px solid var(--border); }
.alert-grid div { display: grid; gap: 5px; padding: 13px 14px; border-right: 1px solid var(--border); }
.alert-grid div:last-child { border-right: 0; }
.alert-grid span { color: var(--faint); font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.07em; }
.alert-grid strong { color: var(--body); font-size: 12.5px; }
.summary-block { padding: 16px; border-bottom: 1px solid var(--border); }
.summary-block p { margin: 0; color: var(--body); font-size: 14px; }
.next-step { display: grid; gap: 4px; padding: 14px 16px; background: var(--blue-wash); color: var(--body); }
.next-step strong { color: var(--blue-ink); }

.creative-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.creative-card.active { box-shadow: inset 3px 0 0 var(--blue); }
.ad-frame {
  min-height: 218px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 13px;
  padding: 15px;
  border: 1px solid #cce4ff;
  background: linear-gradient(180deg, #ffffff 0%, #f3f9ff 100%);
}
.ad-frame.dark { border-color: #27272f; background: #0a0a0b; color: #fff; }
.ad-frame.source { border-color: #d7e8de; background: #f4fbf7; }
.ad-frame h3 { margin: 0; color: inherit; font-size: 20px; line-height: 1.08; }
.ad-frame p { margin: 0; color: inherit; opacity: 0.72; }
.ad-label { color: var(--faint); font-family: var(--font-mono); font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em; }
.dark .ad-label { color: #8f8f99; }
.ad-cta { display: inline-flex; align-items: center; width: fit-content; min-height: 28px; padding: 0 10px; background: var(--blue); color: #fff; font-size: 12px; font-weight: 700; }
.creative-card h4 { color: var(--ink-2); font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.07em; }

.pricing-grid strong { display: block; margin: 7px 0 5px; color: var(--ink); font-family: var(--font-mono); font-size: 18px; }
.faq-list { display: grid; gap: 10px; }
.faq-list details { padding: 14px; }
.faq-list summary { color: var(--ink-2); cursor: pointer; font-weight: 700; }
.faq-list p { margin-top: 8px; }

@media (max-width: 1040px) {
  .landing-hero, .landing-band { display: flex; flex-direction: column; align-items: stretch; }
  .hero-copy { min-height: 0; }
  .feature-grid, .creative-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .alert-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .public-topbar { position: static; align-items: flex-start; flex-direction: column; gap: 12px; padding: 14px 16px; }
  .public-nav { width: 100%; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .public-nav a:not(.button) { display: inline-flex; align-items: center; min-height: 32px; padding: 0 10px; border: 1px solid var(--border); background: var(--surface-2); }
  .public-nav .button { width: 100%; grid-column: 1 / -1; }
  .public-shell { width: min(100% - 24px, 1180px); padding-top: 18px; }
  h1 { font-size: 34px; }
  .hero-subline { font-size: 15px; }
  .signal-strip, .proof-grid, .feature-grid, .pricing-grid, .creative-grid, .waitlist-form { grid-template-columns: 1fr; }
  .alert-header { flex-direction: column; }
  .deadline-chip { white-space: normal; }
  .alert-grid { grid-template-columns: 1fr; }
  .alert-grid div { border-right: 0; border-bottom: 1px solid var(--border); }
  .alert-grid div:last-child { border-bottom: 0; }
  th, td { padding: 8px 6px; word-break: break-word; }
}