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

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: #111827;
  background: #f9fafb;
}

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

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header / Nav */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(249, 250, 251, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e5e7eb;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

nav a {
  margin-left: 16px;
  font-size: 0.95rem;
}

nav a:hover {
  text-decoration: underline;
}

/* Hero */

.hero {
  padding: 72px 0 56px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.eyebrow {
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: #6b7280;
}

.hero h1 {
  font-size: clamp(2rem, 3vw + 1rem, 2.8rem);
  margin: 0.2em 0;
}

.hero-subtitle {
  max-width: 36rem;
  color: #4b5563;
}

.hero-actions {
  margin-top: 16px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-note {
  font-size: 0.9rem;
  color: #6b7280;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.95rem;
  border: 1px solid #111827;
  cursor: pointer;
}

.btn.primary {
  background: #111827;
  color: #f9fafb;
}

.btn.primary:hover {
  background: #000;
}

.btn.ghost {
  background: transparent;
}

.btn.ghost:hover {
  background: #e5e7eb;
}

/* Sections */

.section {
  padding: 56px 0;
  background: #f9fafb;
}

.section.alt {
  background: #ffffff;
}

.section h2 {
  margin-top: 0;
}

.section-intro {
  max-width: 36rem;
  color: #4b5563;
}

/* Layout helpers */

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.4fr);
  gap: 32px;
}

.grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 720px) {
  .grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .two-column {
    grid-template-columns: 1fr;
  }

  nav {
    display: none; /* keep it super simple for now */
  }
}

/* Cards / Highlights */

.card {
  background: #ffffff;
  border-radius: 12px;
  padding: 18px 16px;
  border: 1px solid #e5e7eb;
}

.card h3 {
  margin-top: 0;
}

.card .tagline {
  color: #4b5563;
  font-size: 0.9rem;
}

.highlight-box {
  background: #111827;
  color: #f9fafb;
  border-radius: 12px;
  padding: 18px 16px;
}

.highlight-box h3 {
  margin-top: 0;
}

.highlight-box a {
  text-decoration: underline;
}

/* Footer */

.site-footer {
  border-top: 1px solid #e5e7eb;
  background: #f9fafb;
  padding: 16px 0 24px;
  font-size: 0.85rem;
  color: #6b7280;
}

.footer-inner {
  text-align: center;
}