:root {
  --bg: #f5f4f1;
  --surface: #ffffff;
  --surface-alt: #efede8;
  --surface-deep: #1f2b32;
  --text: #1d252b;
  --text-soft: #52606a;
  --text-light: rgba(255,255,255,0.86);
  --border: rgba(29, 37, 43, 0.12);
  --border-light: rgba(255,255,255,0.16);
  --accent: #2f5c73;
  --accent-soft: #dbe6ec;
  --shadow: 0 16px 40px rgba(20, 28, 33, 0.08);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(245, 244, 241, 0.92);
  border-bottom: 1px solid rgba(29, 37, 43, 0.08);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text {
  font-size: 1rem;
  font-weight: 700;
}

.brand-sub {
  font-size: 0.8rem;
  color: var(--text-soft);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.site-nav a {
  font-size: 0.95rem;
  color: var(--text-soft);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
}

.hero {
  padding: 5.5rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 2rem;
  align-items: start;
}

.eyebrow,
.section-label {
  margin: 0 0 0.85rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

.section-label--light { color: rgba(255,255,255,0.75); }

.hero h1,
.section h2 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero h1 {
  max-width: 14ch;
  font-size: clamp(2.65rem, 5vw, 4.6rem);
  font-weight: 650;
}

.lead {
  max-width: 68ch;
  margin: 1.4rem 0 0;
  font-size: 1.1rem;
  color: var(--text-soft);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.7rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 1.15rem;
  border-radius: 999px;
  font-size: 0.96rem;
  font-weight: 600;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.btn:hover,
.btn:focus-visible { transform: translateY(-1px); }

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

.btn-secondary {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
}

.btn-light {
  background: #fff;
  color: var(--surface-deep);
}

.btn-outline-light {
  border: 1px solid var(--border-light);
  color: #fff;
  background: transparent;
}

.hero-note {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.4rem;
  color: var(--text-soft);
  font-size: 0.94rem;
}

.hero-panel {
  display: grid;
  gap: 1rem;
}

.panel-card,
.step-card,
.audience-card,
.invite-list-card,
.compare-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel-card {
  padding: 1.25rem 1.3rem;
}

.panel-card--muted { background: var(--surface-alt); }

.panel-card h2,
.step-card h3,
.audience-card h3,
.invite-list-card h3,
.compare-card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.05rem;
  line-height: 1.25;
}

.panel-card p,
.step-card p,
.audience-card p,
.invite-list-card li,
.compare-card li,
.section-copy p,
.section-head p,
.callout p,
.contact-copy p,
.footer-inner p,
.footer-inner a {
  color: var(--text-soft);
}

.section {
  padding: 4.5rem 0;
}

.section-alt { background: rgba(255,255,255,0.52); }

.section-emphasis {
  background: var(--surface-deep);
  color: #fff;
}

.section-grid,
.two-up,
.invite-grid,
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.section-grid h2,
.two-up h2,
.invite-grid h2,
.contact-copy h2,
.callout h2 {
  font-size: clamp(1.9rem, 3vw, 3rem);
  font-weight: 620;
}

.steps-grid,
.audience-grid,
.comparison-grid {
  display: grid;
  gap: 1rem;
}

.steps-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 2rem;
}

.step-card {
  padding: 1.4rem;
}

.step-number {
  display: inline-block;
  margin-bottom: 1rem;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

.callout-wrap { display: block; }
.callout {
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 26px;
  box-shadow: var(--shadow);
}

.section-head {
  max-width: 820px;
}

.section-head.compact { max-width: 700px; }

.audience-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1.6rem;
}

.audience-card,
.compare-card,
.invite-list-card {
  padding: 1.35rem;
}

.invite-list-card ul,
.compare-card ul {
  margin: 0;
  padding-left: 1.1rem;
}

.text-link {
  font-size: 0.95rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.text-link--light { color: rgba(255,255,255,0.9); }

.site-footer {
  padding: 1.3rem 0 2rem;
  background: #ebe8e1;
  border-top: 1px solid rgba(29,37,43,0.08);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 1.2rem;
  align-items: start;
}

.footer-inner strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.96rem;
}

.footer-inner p,
.footer-inner a {
  margin: 0;
  font-size: 0.92rem;
}

@media (max-width: 980px) {
  .hero-grid,
  .section-grid,
  .two-up,
  .invite-grid,
  .contact-wrap,
  .footer-inner,
  .steps-grid,
  .audience-grid,
  .comparison-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 { max-width: 100%; }
}

@media (max-width: 760px) {
  .site-nav {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
    overflow: hidden;
  }

  .site-nav.is-open { display: flex; }

  .site-nav a {
    width: 100%;
    padding: 0.95rem 1rem;
    border-bottom: 1px solid rgba(29,37,43,0.08);
  }

  .site-nav a:last-child { border-bottom: 0; }

  .nav-toggle { display: inline-block; }

  .hero {
    padding-top: 4.2rem;
  }

  .lead { font-size: 1rem; }

  .section {
    padding: 3.5rem 0;
  }

  .callout,
  .step-card,
  .audience-card,
  .invite-list-card,
  .compare-card,
  .panel-card {
    border-radius: 16px;
  }
}
