:root {
  --background: #07111f;
  --surface: #0f1d2e;
  --surface-light: #17283b;
  --text: #f4f7fb;
  --muted: #aab8c8;
  --accent: #4bd3b3;
  --accent-dark: #26a98d;
  --border: rgba(255, 255, 255, 0.1);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(75, 211, 179, 0.12), transparent 34rem),
    var(--background);
  line-height: 1.65;
}

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

.hero {
  min-height: 88vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.95fr);
  align-items: center;
  gap: 4rem;
  max-width: 1300px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.eyebrow,
.section-label {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 1.25rem;
  font-size: clamp(3rem, 7vw, 5.8rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

h2 {
  margin-bottom: 1.25rem;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

h3 {
  margin: 1.25rem 0 0.5rem;
  font-size: 1.25rem;
}

.hero-description,
.section-description,
.overview p,
.chart-card p,
.callout p {
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-description {
  max-width: 680px;
  font-size: 1.18rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 0.8rem 1.25rem;
  border: 1px solid transparent;
  border-radius: 0.7rem;
  font-weight: 750;
  text-decoration: none;
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: #04130f;
  background: var(--accent);
}

.button.primary:hover {
  background: #70e4ca;
}

.button.secondary {
  color: var(--text);
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.04);
}

.hero-image,
.image-card,
.chart-card {
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-image {
  padding: 0.75rem;
  transform: rotate(1.5deg);
}

.hero-image img,
.image-card img,
.chart-card img {
  border-radius: 0.75rem;
}

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 2rem 6rem;
}

.overview,
.section {
  margin-bottom: 7rem;
}

.overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.metric-card {
  min-height: 150px;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface);
}

.metric-card strong {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--accent);
  font-size: 2.5rem;
  line-height: 1;
}

.metric-card span {
  color: var(--muted);
}

.image-card {
  padding: 0.75rem;
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.chart-card {
  padding: 1rem;
}

.chart-card p {
  margin-bottom: 0.35rem;
}

.callout {
  padding: 3rem;
  border: 1px solid var(--border);
  border-radius: 1.4rem;
  background:
    linear-gradient(
      135deg,
      rgba(75, 211, 179, 0.14),
      rgba(15, 29, 46, 0.96)
    );
}

.callout p {
  max-width: 800px;
}

footer {
  padding: 2rem;
  color: var(--muted);
  text-align: center;
  border-top: 1px solid var(--border);
}

@media (max-width: 900px) {
  .hero,
  .overview {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 4rem;
  }

  .hero-image {
    transform: none;
  }
}

@media (max-width: 700px) {
  .chart-grid,
  .metrics {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 2.5rem;
    padding-inline: 1rem;
  }

  main {
    padding-inline: 1rem;
  }

  .callout {
    padding: 2rem 1.25rem;
  }
}