:root {
  --color-ink: #1a1a1a;
  --color-muted: #675f53;
  --color-surface: #ffffff;
  --color-soft: #f6f1e8;
  --color-line: #e7dfd2;
  --color-primary: #1a1a1a;
  --color-accent: #2557d6;
  --color-accent-dark: #1941a5;
  --color-accent-bright: #4f8cff;
  --color-dark: #15100b;
  --color-dark-soft: #221a13;
  --color-dark-line: rgba(255, 255, 255, 0.12);
  --color-on-dark: #f8f3ea;
  --color-on-dark-muted: #c7bcac;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 4rem;
  --radius: 10px;
  --shadow: 0 24px 60px rgba(21, 16, 11, 0.16);
  --shadow-dark: 0 24px 60px rgba(0, 0, 0, 0.45);
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-surface);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--color-accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--color-primary);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

h1 {
  max-width: 16ch;
  font-size: clamp(2.75rem, 8vw, 5.75rem);
  font-weight: 900;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
}

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

.narrow {
  max-width: 760px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 20;
  transform: translateY(-150%);
  padding: var(--space-sm) var(--space-md);
  color: var(--color-on-dark);
  background: var(--color-dark);
  border-radius: var(--radius);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(21, 16, 11, 0.92);
  border-bottom: 1px solid var(--color-dark-line);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: var(--space-lg);
}

.site-logo {
  color: var(--color-on-dark);
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.footer-logo {
  color: var(--color-on-dark);
  font-weight: 900;
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: var(--space-lg);
}

.site-nav a {
  color: var(--color-on-dark-muted);
  font-weight: 600;
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--color-on-dark);
}

.header-cta {
  min-height: 40px;
  padding: 0.55rem 1.1rem;
  box-shadow: 0 8px 24px rgba(37, 87, 214, 0.35);
}

.hero {
  position: relative;
  padding: clamp(4.5rem, 10vw, 8rem) 0 clamp(5rem, 11vw, 9rem);
  overflow: hidden;
  color: var(--color-on-dark);
  background:
    radial-gradient(60% 55% at 50% 0%, rgba(79, 140, 255, 0.24), transparent),
    radial-gradient(45% 45% at 85% 15%, rgba(37, 87, 214, 0.16), transparent),
    var(--color-dark);
  text-align: center;
}

.hero-rsvp {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-rsvp .eyebrow {
  color: var(--color-accent-bright);
}

.hero-rsvp h1 {
  max-width: 20ch;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
  color: var(--color-on-dark);
  font-size: clamp(2.5rem, 6vw, 4.25rem);
}

.hero-text {
  max-width: 62ch;
  margin-inline: auto;
  color: var(--color-on-dark-muted);
  font-size: 1.2rem;
}

.eyebrow {
  color: var(--color-accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.4rem;
  color: var(--color-on-dark);
  background: linear-gradient(135deg, var(--color-accent-bright), var(--color-accent));
  border: 1px solid transparent;
  border-radius: var(--radius);
  box-shadow: 0 12px 30px rgba(37, 87, 214, 0.4);
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.button:hover {
  color: var(--color-on-dark);
  box-shadow: 0 14px 34px rgba(37, 87, 214, 0.5);
  transform: translateY(-1px);
}

.hero-panel {
  position: relative;
  width: 100%;
  max-width: 560px;
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  text-align: left;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-dark);
}

.waitlist-form {
  display: grid;
  gap: var(--space-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.section {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.section-muted {
  background: var(--color-soft);
}

.section-heading {
  max-width: 720px;
  margin-bottom: var(--space-xl);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-lg);
}

.why-card {
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.why-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-bottom: var(--space-md);
  color: var(--color-on-dark);
  background: linear-gradient(135deg, var(--color-accent-bright), var(--color-accent));
  border-radius: 50%;
}

.why-icon svg {
  width: 1.2rem;
  height: 1.2rem;
}

.why-card h2 {
  font-size: 1.15rem;
}

.why-card p {
  color: var(--color-muted);
}

.steps-panel {
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.steps-list {
  display: grid;
  gap: var(--space-lg);
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps-list li {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  color: var(--color-on-dark);
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-accent-bright), var(--color-accent));
  border-radius: 50%;
}

.steps-list h2 {
  margin-bottom: var(--space-xs);
  font-size: 1.15rem;
}

.steps-list p {
  color: var(--color-muted);
}

.faq-list {
  display: grid;
  gap: var(--space-sm);
}

.faq-list details {
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.faq-list summary {
  color: var(--color-primary);
  font-weight: 700;
  cursor: pointer;
}

.faq-list details p {
  margin-top: var(--space-sm);
  color: var(--color-muted);
}

.cta-section {
  position: relative;
  padding: clamp(3.5rem, 8vw, 6rem) 0;
  overflow: hidden;
  color: var(--color-on-dark);
  background:
    radial-gradient(50% 80% at 100% 50%, rgba(79, 140, 255, 0.18), transparent),
    var(--color-dark);
}

.cta-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: clamp(2rem, 6vw, 4rem);
  align-items: center;
}

.cta-section h2,
.cta-section p {
  color: var(--color-on-dark);
}

.cta-section .eyebrow {
  color: var(--color-accent-bright);
}

.page-hero {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
  background: var(--color-soft);
}

.page-hero h1 {
  max-width: 13ch;
}

.page-hero p {
  max-width: 62ch;
  color: var(--color-muted);
  font-size: 1.15rem;
}

label {
  color: var(--color-primary);
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  color: var(--color-ink);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  font: inherit;
}

input:focus,
textarea:focus {
  border-color: var(--color-accent);
  outline: 3px solid rgba(37, 87, 214, 0.16);
}

.hidden {
  display: none;
}

.prose h2 {
  margin-top: var(--space-xl);
  font-size: 1.35rem;
}

.site-footer {
  padding: var(--space-2xl) 0 var(--space-lg);
  color: var(--color-on-dark-muted);
  background: var(--color-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr) minmax(200px, 0.7fr);
  gap: clamp(2rem, 6vw, 4rem);
  align-items: start;
}

.site-footer a,
.site-footer p {
  color: inherit;
}

.site-footer h2 {
  color: var(--color-on-dark);
}

.footer-heading {
  font-size: 1rem;
}

.footer-links {
  display: grid;
  gap: var(--space-xs);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer address {
  font-style: normal;
}

.footer-bottom {
  padding-top: var(--space-xl);
  margin-top: var(--space-xl);
  border-top: 1px solid var(--color-dark-line);
}

.footer-bottom p {
  margin-bottom: 0;
}

@media (max-width: 900px) {
  .why-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .header-inner,
  .site-nav {
    align-items: flex-start;
  }

  .header-inner {
    flex-direction: column;
    padding: var(--space-md) 0;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: var(--space-md);
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .cta-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 520px) {
  h1 {
    font-size: 2.6rem;
  }

  .hero-panel,
  .steps-panel {
    padding: var(--space-lg);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .steps-list li {
    flex-direction: column;
    gap: var(--space-sm);
  }
}