/* OpportunityRadar — Phase 0 landing (clean minimal) */
:root {
  --bg: #F7F4EF;
  --ink: #1C1B19;
  --muted: #5C574F;
  --accent: #2F5D50;
  --accent-hover: #244A40;
  --line: #E4DFD6;
  --card: #FFFcf8;
  --radius: 10px;
  --max: 40rem;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --serif: "Source Serif 4", "Georgia", serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent-hover);
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  padding: 1.5rem 0 0;
}

.logo {
  font-weight: 650;
  letter-spacing: -0.02em;
  font-size: 1rem;
  color: var(--ink);
  text-decoration: none;
}

.logo span {
  color: var(--accent);
}

/* Hero */
.hero {
  padding: 4rem 0 3rem;
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 550;
  font-size: clamp(1.85rem, 4.5vw, 2.35rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

.tagline {
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0 0 2rem;
  max-width: 28rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
}

.btn {
  display: inline-block;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.btn:hover {
  background: var(--accent-hover);
  color: #fff;
}

.cta-note {
  font-size: 0.85rem;
  color: var(--muted);
}

/* Sections */
section {
  padding: 2rem 0;
  border-top: 1px solid var(--line);
}

h2 {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 550;
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 1rem;
  color: var(--ink);
}

.muted {
  color: var(--muted);
}

.card-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.card-list li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}

.card-list strong {
  display: block;
  margin-bottom: 0.25rem;
}

.niche {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.rules {
  font-size: 0.95rem;
}

.rules li {
  margin-bottom: 0.4rem;
}

/* Waitlist box */
.waitlist-box {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.waitlist-box p:last-child {
  margin-bottom: 0;
}

/* Footer */
.site-footer {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--muted);
}

.site-footer p {
  color: var(--muted);
  margin: 0 0 0.5rem;
}