:root {
  --bg: #FAF8F5;
  --fg: #1A1A18;
  --accent: #1B4332;
  --accent-mid: #2D6A4F;
  --amber: #C87B1A;
  --amber-light: #F5E6CC;
  --muted: #6B6B68;
  --border: #E5E4E0;
  --surface: #FFFFFF;
  --ink: #1A1A18;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 400;
  line-height: 1.6;
}

/* Nav */
.nav {
  padding: 1.5rem 3rem;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-logo {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.nav-tagline {
  font-size: 0.8125rem;
  color: var(--muted);
  font-weight: 300;
}

/* Hero */
.hero {
  padding: 5rem 3rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-kicker {
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.hero-headline {
  font-family: 'Fraunces', serif;
  font-size: clamp(2.5rem, 4vw, 3.75rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}
.hero-headline em {
  font-style: italic;
  color: var(--accent);
}
.hero-lede {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--muted);
  max-width: 44ch;
  margin-bottom: 2.5rem;
}
.hero-stats {
  display: flex;
  gap: 2.5rem;
}
.stat { display: flex; flex-direction: column; }
.stat-value {
  font-family: 'Fraunces', serif;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.25rem;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--muted);
  max-width: 18ch;
  line-height: 1.4;
}

/* Inbox mockup */
.hero-inbox {
  display: flex;
  justify-content: center;
}
.inbox-frame {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 8px 40px rgba(27, 67, 50, 0.08), 0 2px 8px rgba(0,0,0,0.04);
  overflow: hidden;
}
.inbox-bar {
  background: var(--bg);
  padding: 0.75rem 1rem;
  display: flex;
  gap: 0.375rem;
  border-bottom: 1px solid var(--border);
}
.inbox-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}
.inbox-email {
  padding: 1.25rem 1.25rem 1.5rem;
}
.email-from {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.25rem;
}
.email-subject {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.email-body { display: flex; flex-direction: column; gap: 0.75rem; }
.eb-kicker {
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 0.25rem;
}
.signal-item {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.625rem 0.75rem;
  background: var(--bg);
  border-radius: 6px;
}
.signal-item.signal-alert {
  background: var(--amber-light);
  border: 1px solid #E8C87A;
}
.signal-ticker {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--accent);
  min-width: 3ch;
}
.signal-event {
  font-size: 0.6875rem;
  color: var(--muted);
  line-height: 1.45;
}

/* How It Works */
.howitworks {
  background: var(--accent);
  padding: 5rem 3rem;
}
.hiw-header { max-width: 1200px; margin: 0 auto 3.5rem; }
.hiw-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  max-width: 1200px;
  margin: 0 auto;
  background: rgba(255,255,255,0.1);
}
.hiw-step {
  background: var(--accent);
  padding: 2.5rem 2rem;
}
.step-num {
  font-family: 'Fraunces', serif;
  font-size: 3rem;
  font-weight: 300;
  color: rgba(255,255,255,0.2);
  display: block;
  margin-bottom: 1rem;
  line-height: 1;
}
.step-title {
  font-family: 'Fraunces', serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: white;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}
.step-desc {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.65;
}

/* Features */
.features {
  padding: 5rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
}
.features-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.features-sub {
  margin-top: 1rem;
  font-size: 1rem;
  color: var(--muted);
}
.section-kicker {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.feature-card {
  padding: 2rem 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.feature-icon {
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.feature-title {
  font-family: 'Fraunces', serif;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.625rem;
  letter-spacing: -0.02em;
}
.feature-desc {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.65;
}

/* Manifesto */
.manifesto {
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 5rem 3rem;
}
.manifesto-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.manifesto-quote {
  border-left: 3px solid var(--accent);
  padding-left: 2rem;
}
.manifesto-quote p {
  font-family: 'Fraunces', serif;
  font-size: 1.375rem;
  font-style: italic;
  font-weight: 300;
  color: var(--ink);
  line-height: 1.5;
  margin-bottom: 1rem;
}
.manifesto-quote footer {
  font-size: 0.8125rem;
  color: var(--muted);
  font-weight: 500;
}
.manifesto-body p {
  font-size: 0.9375rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}
.manifesto-body p:last-child {
  font-family: 'Fraunces', serif;
  font-size: 1.125rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0;
}

/* Closing */
.closing {
  padding: 5rem 3rem;
  text-align: center;
  background: var(--surface);
}
.closing-headline {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.03em;
  line-height: 1.2;
  max-width: 24ch;
  margin: 0 auto 1.5rem;
}
.closing-sub {
  font-size: 1rem;
  color: var(--muted);
  max-width: 52ch;
  margin: 0 auto 2rem;
  line-height: 1.7;
}
.closing-note {
  font-family: 'Fraunces', serif;
  font-size: 0.9375rem;
  font-style: italic;
  color: var(--accent-mid);
  font-weight: 400;
}

/* Footer */
.footer {
  padding: 2.5rem 3rem;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-logo {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent);
}
.footer-desc {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-top: 0.375rem;
}
.footer-copy {
  font-size: 0.8125rem;
  color: var(--muted);
}

/* Signup form */
.signup-box {
  margin: 2.5rem auto 0;
  max-width: 560px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem 2.25rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.signup-label {
  font-size: 0.9375rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
  text-align: center;
}
.signup-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.signup-input {
  width: 100%;
  padding: 0.875rem 1.125rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.9375rem;
  background: var(--bg);
  color: var(--fg);
  outline: none;
  transition: border-color 0.15s;
}
.signup-input:focus { border-color: var(--accent-mid); }
.signup-btn {
  padding: 0.9375rem 1.5rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  letter-spacing: -0.01em;
}
.signup-btn:hover { background: var(--accent-mid); }
.signup-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.signup-result {
  margin-top: 0.875rem;
  font-size: 0.9375rem;
  font-weight: 500;
  text-align: center;
  line-height: 1.5;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 3rem; }
  .hero-inbox { display: none; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .hiw-steps { grid-template-columns: 1fr; }
  .manifesto-inner { grid-template-columns: 1fr; gap: 2.5rem; }
}
@media (max-width: 600px) {
  .hero { padding: 3rem 1.5rem 3rem; }
  .howitworks { padding: 4rem 1.5rem; }
  .features { padding: 4rem 1.5rem; }
  .features-grid { grid-template-columns: 1fr; }
  .manifesto { padding: 4rem 1.5rem; }
  .closing { padding: 4rem 1.5rem; }
  .footer { padding: 2rem 1.5rem; }
  .nav { padding: 1rem 1.5rem; }
  .hero-stats { gap: 1.5rem; }
}