/* context-guru docs — brand accent + adk.dev-style marketing homepage. */

:root {
  --md-primary-fg-color: #009688;
  --md-primary-fg-color--light: #4db6ac;
  --md-primary-fg-color--dark: #00695c;
  --md-accent-fg-color: #00bfa5;
  --cg-hero-grad: radial-gradient(
      1200px 600px at 15% -10%,
      rgba(0, 150, 136, 0.18),
      transparent 60%
    ),
    radial-gradient(900px 500px at 95% 0%, rgba(0, 191, 165, 0.14), transparent 55%);
}

[data-md-color-scheme="slate"] {
  --cg-hero-grad: radial-gradient(
      1200px 600px at 15% -10%,
      rgba(0, 150, 136, 0.28),
      transparent 60%
    ),
    radial-gradient(900px 500px at 95% 0%, rgba(0, 191, 165, 0.18), transparent 55%);
}

/* ---- Hero ---- */
.cg-hero {
  background: var(--cg-hero-grad);
  padding: 4.5rem 1rem 3rem;
  text-align: center;
}
.cg-hero__inner {
  max-width: 52rem;
  margin: 0 auto;
}
.cg-hero__eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--md-primary-fg-color);
  border: 1px solid var(--md-primary-fg-color--light);
  border-radius: 999px;
  padding: 0.25rem 0.8rem;
  margin-bottom: 1.25rem;
}
.cg-hero h1 {
  font-size: 2.9rem;
  line-height: 1.08;
  font-weight: 800;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}
.cg-hero p.cg-hero__lede {
  font-size: 1.12rem;
  color: var(--md-default-fg-color--light);
  max-width: 42rem;
  margin: 0 auto 2rem;
}
.cg-cta {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.cg-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1.4rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.cg-btn:hover {
  transform: translateY(-1px);
}
.cg-btn--primary {
  background: var(--md-primary-fg-color);
  color: #fff !important;
  box-shadow: 0 6px 20px rgba(0, 150, 136, 0.35);
}
.cg-btn--ghost {
  border: 1px solid var(--md-default-fg-color--lighter);
  color: var(--md-default-fg-color) !important;
}

/* ---- Guarantee pills ---- */
.cg-guarantees {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  flex-wrap: wrap;
}
.cg-pill {
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--md-primary-fg-color) 12%, transparent);
  color: var(--md-primary-fg-color--dark);
}
[data-md-color-scheme="slate"] .cg-pill {
  color: var(--md-primary-fg-color--light);
}

/* ---- Section shell ---- */
.cg-section {
  max-width: 60rem;
  margin: 0 auto;
  padding: 2.75rem 1rem;
}
.cg-section h2 {
  text-align: center;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.cg-section__sub {
  text-align: center;
  color: var(--md-default-fg-color--light);
  margin: -0.5rem auto 2rem;
  max-width: 40rem;
}

/* ---- Feature cards ---- */
.cg-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
}
.cg-card {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 12px;
  padding: 1.3rem;
  background: var(--md-default-bg-color);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.cg-card:hover {
  border-color: var(--md-primary-fg-color--light);
  transform: translateY(-2px);
}
.cg-card__icon {
  font-size: 1.6rem;
  line-height: 1;
}
.cg-card h3 {
  margin: 0.6rem 0 0.35rem;
  font-size: 1.02rem;
}
.cg-card p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--md-default-fg-color--light);
}

/* ---- Before/after demo ---- */
.cg-demo {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: center;
}
@media (max-width: 44rem) {
  .cg-demo {
    grid-template-columns: 1fr;
  }
  .cg-demo__arrow {
    transform: rotate(90deg);
  }
}
.cg-demo__panel {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 10px;
  padding: 1rem 1.1rem;
}
.cg-demo__panel h4 {
  margin: 0 0 0.4rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--md-default-fg-color--light);
}
.cg-demo__big {
  font-size: 1.9rem;
  font-weight: 800;
}
.cg-demo__arrow {
  font-size: 1.6rem;
  color: var(--md-primary-fg-color);
  text-align: center;
}

/* ---- Stat strip ---- */
.cg-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 1rem;
  text-align: center;
}
.cg-stat__num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--md-primary-fg-color);
}
.cg-stat__label {
  font-size: 0.82rem;
  color: var(--md-default-fg-color--light);
}

/* Charts need an explicit box (Chart.js maintainAspectRatio:false). */
.cg-chart-box {
  position: relative;
  height: 26rem;
  margin: 1.5rem 0;
}