@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200");

:root {
  --m3-sys-light-primary: #2563eb; /* Replace-Solo brand blue */
  --m3-sys-light-on-primary: #ffffff;
  --m3-sys-light-primary-container: #dbeafe;
  --m3-sys-light-on-primary-container: #1e3a8a;
  --m3-sys-light-secondary: #625b71;
  --m3-sys-light-on-secondary: #ffffff;
  --m3-sys-light-outline: #79747e;
  --m3-sys-light-surface: #fef7ff;
  --m3-sys-light-on-surface: #1d1b20;
  --m3-sys-light-surface-variant: #e7e0eb;
  --m3-sys-light-on-surface-variant: #49454f;
  --m3-sys-light-surface-container-high: #ece6f0;
  --m3-sys-light-inverse-surface: #313033;
  --m3-sys-light-inverse-on-surface: #f4eff4;
}

body {
  margin: 0;
  padding: 0;
  font-family:
    "Roboto",
    system-ui,
    -apple-system,
    sans-serif;
  background-color: var(--m3-sys-light-surface);
  color: var(--m3-sys-light-on-surface);
  line-height: 1.6;
}

header {
  background-color: var(--m3-sys-light-surface);
  border-bottom: 1px solid var(--m3-sys-light-surface-variant);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1000px;
  margin: 0 auto;
}

.logo {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--m3-sys-light-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--m3-sys-light-on-surface-variant);
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--m3-sys-light-primary);
}

main {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 2rem;
}

section {
  margin-bottom: 3rem;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--m3-sys-light-on-surface);
}

h2 {
  font-size: 1.75rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--m3-sys-light-primary-container);
  padding-bottom: 0.5rem;
}

h3 {
  font-size: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1rem;
}

.hero {
  text-align: center;
  padding: 4rem 0;
  background-color: var(--m3-sys-light-primary-container);
  color: var(--m3-sys-light-on-primary-container);
  border-radius: 2rem;
  margin-bottom: 4rem;
}

.hero h1 {
  color: var(--m3-sys-light-on-primary-container);
  margin-bottom: 0.5rem;
}

.subtitle {
  font-size: 1.25rem;
  opacity: 0.9;
}

.m3-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 2rem;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.m3-button-filled {
  background-color: var(--m3-sys-light-primary);
  color: var(--m3-sys-light-on-primary);
}

.m3-button-filled:hover {
  background-color: #1d4ed8;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.m3-button-outlined {
  border: 1px solid var(--m3-sys-light-outline);
  color: var(--m3-sys-light-primary);
}

.m3-button-outlined:hover {
  background-color: rgba(37, 99, 235, 0.08);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature-card {
  background-color: var(--m3-sys-light-surface-container-high);
  padding: 1.5rem;
  border-radius: 1.5rem;
}

.feature-card h3 {
  margin-top: 0;
  color: var(--m3-sys-light-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--m3-sys-light-surface-variant);
  color: var(--m3-sys-light-on-surface-variant);
  font-size: 0.875rem;
}

.m3-icon {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* Material Symbols like appearance for simple glyphs */
.glyph {
  font-family: "Material Symbols Outlined";
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: "liga";
  -webkit-font-smoothing: antialiased;
}

@media (max-width: 600px) {
  nav {
    flex-direction: column;
    gap: 1rem;
  }
  .nav-links {
    font-size: 0.9rem;
  }
  h1 {
    font-size: 2rem;
  }
}