:root {
  --bg: #fffdf7;
  --surface: #ffffff;
  --surface-muted: #fff4de;
  --ink: #20170a;
  --muted: #6a5531;
  --accent: #c49a3c;
  --accent-dark: #8c5c04;
  --accent-light: #f9e8c8;
  --border: #f0d9b2;
  --accent-vu: #c49a3c;
  --accent-vu-dark: #f7d58a;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
}

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

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
}

body.theme-default {
  background: linear-gradient(160deg, #fffdf2 0%, #f5e5c1 100%);
  color: var(--ink);
}

body.theme-vanderbilt {
  --bg: #050505;
  --surface: #0f0f0f;
  --surface-muted: #151515;
  --ink: #f7f0dc;
  --muted: rgba(247, 240, 220, 0.78);
  --border: rgba(247, 213, 138, 0.25);
  --accent: var(--accent-vu);
  --accent-dark: var(--accent-vu-dark);
  --accent-light: rgba(196, 154, 60, 0.25);
  background: radial-gradient(circle at top, #1c1c1c 10%, #050505 70%);
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration: none;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 249, 235, 0.95);
  border-bottom: 1px solid rgba(240, 217, 178, 0.8);
  backdrop-filter: blur(12px);
}

.topbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.brand img {
  height: 64px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-weight: 500;
}

.nav a {
  color: var(--muted);
  transition: color 0.2s;
}

.nav .primary-link {
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
}

.nav a:hover,
.nav a:focus {
  color: var(--accent-dark);
}

main,
footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  padding: 4rem 0 3rem;
}

.hero-card {
  background: var(--surface);
  border-radius: 28px;
  padding: 2.5rem;
  box-shadow: 0 30px 80px rgba(14, 20, 56, 0.08);
  position: relative;
  overflow: hidden;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(196, 154, 60, 0.32), transparent 55%);
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.hero p {
  color: var(--muted);
  margin-bottom: 1rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--accent-dark);
}

.hero-visual {
  background: var(--surface);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: inset 0 0 0 1px var(--border), 0 18px 50px rgba(12, 23, 60, 0.08);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-visual .card-row {
  display: grid;
  gap: 0.75rem;
}

.hero-visual .card {
  padding: 1.1rem 1.2rem;
  border-radius: 16px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
}

.hero-visual strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.95rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button.primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 15px 35px rgba(94, 107, 255, 0.3);
}

.button.secondary {
  background: var(--surface-muted);
  color: var(--ink);
  border: 1px solid var(--border);
}

.button.ghost {
  background: transparent;
  color: var(--accent-dark);
  border: 1px solid var(--accent-light);
}

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

.join-button {
  font-size: 1.15rem;
  padding: 1.15rem 2.2rem;
}

.trust-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.trust-bar span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--surface-muted);
  font-weight: 500;
}

.content-section {
  margin-bottom: 3.5rem;
}

.section-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.section-header h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.section-header p {
  color: var(--muted);
  max-width: 480px;
}

.card-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: var(--surface);
  border-radius: 20px;
  padding: 1.6rem;
  border: 1px solid var(--border);
  box-shadow: 0 12px 30px rgba(15, 23, 53, 0.05);
}

.card h3 {
  margin-top: 0.5rem;
  margin-bottom: 0.75rem;
}

.card ul {
  padding-left: 1.1rem;
  margin: 0;
  color: var(--muted);
}

.steps {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.step {
  padding: 1.25rem;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--accent-light);
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--accent-light);
  color: var(--accent-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.badge-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.5rem;
  border-radius: 24px;
  background: var(--ink);
  color: #fff;
  justify-content: space-between;
  align-items: center;
}

.badge-strip span {
  font-weight: 600;
  opacity: 0.9;
}

.cta-panel {
  background: var(--surface);
  border-radius: 28px;
  padding: 2.5rem;
  box-shadow: 0 20px 60px rgba(11, 17, 50, 0.08);
  border: 1px solid var(--border);
}

.cta-panel form {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.cta-panel input[type="email"] {
  flex: 1;
  min-width: 220px;
  padding: 1rem 1.2rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 1rem;
}

.fine-print {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.fine-print a {
  color: var(--accent-dark);
  font-weight: 600;
  text-decoration: none;
}

.list-columns {
  columns: 2;
  column-gap: 2rem;
}

.info-links {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.info-links a {
  border-radius: 18px;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--border);
  background: var(--surface);
  font-weight: 600;
  color: var(--accent-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sub-hero {
  padding: 3.5rem 0 2rem;
}

.breadcrumb {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.highlight {
  border-left: 4px solid var(--accent);
  padding-left: 1rem;
}

.two-column {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  align-items: start;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chips-block {
  margin-top: 1.25rem;
}

.chip {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: var(--surface-muted);
  font-size: 0.9rem;
}

.link-button {
  margin-top: 1.25rem;
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
  font-weight: 600;
  color: var(--accent-dark);
}

footer {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  font-size: 0.95rem;
  color: var(--muted);
  text-align: center;
}

/* Vanderbilt theme overrides */
body.theme-vanderbilt .topbar {
  background: rgba(5, 5, 5, 0.9);
  border-bottom: 1px solid rgba(196, 154, 60, 0.3);
}

body.theme-vanderbilt .nav a {
  color: #f7f0dc;
}

body.theme-vanderbilt .nav .primary-link {
  background: var(--accent-vu);
  color: #050505;
}

body.theme-vanderbilt main,
body.theme-vanderbilt footer {
  color: #f7f0dc;
}

body.theme-vanderbilt .hero-card,
body.theme-vanderbilt .hero-visual,
body.theme-vanderbilt .card,
body.theme-vanderbilt .cta-panel,
body.theme-vanderbilt .badge-strip,
body.theme-vanderbilt .step {
  background: #0f0f0f;
  color: #f7f0dc;
  border-color: rgba(247, 213, 138, 0.2);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

body.theme-vanderbilt .hero-card::after {
  background: radial-gradient(circle at top right, rgba(196, 154, 60, 0.25), transparent 60%);
}

body.theme-vanderbilt .button.primary {
  background: var(--accent-vu);
  color: #050505;
  box-shadow: 0 20px 40px rgba(196, 154, 60, 0.45);
}

body.theme-vanderbilt .button.secondary,
body.theme-vanderbilt .button.ghost {
  color: #f7f0dc;
  border-color: rgba(247, 213, 138, 0.3);
  background: rgba(255, 255, 255, 0.05);
}

body.theme-vanderbilt .info-links a {
  background: #0f0f0f;
  border-color: rgba(247, 213, 138, 0.2);
  color: var(--accent-vu-dark);
}

body.theme-vanderbilt footer {
  border-top-color: rgba(247, 213, 138, 0.25);
  color: rgba(247, 240, 220, 0.8);
}

body.theme-vanderbilt .fine-print a {
  color: var(--accent-vu-dark);
}

@media (max-width: 720px) {
  .topbar-inner {
    flex-direction: column;
    gap: 0.5rem;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .cta-panel form {
    flex-direction: column;
  }

  .badge-strip {
    flex-direction: column;
    text-align: center;
  }

  .list-columns {
    columns: 1;
  }
}