:root {
  --bg: #f5f7fb;
  --card-bg: #ffffff;
  --text-main: #111827;
  --text-muted: #6b7280;
  --accent: #2563eb;
  --accent-soft: #e0ecff;
  --border-subtle: #e5e7eb;
  --danger: #ef4444;
  --radius: 14px;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.06);
  --max-width: 1200px;
}

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

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #e0ecff 0, #f5f7fb 45%, #ffffff 100%);
  color: var(--text-main);
}

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

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

a:hover {
  text-decoration: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.08s ease, background 0.12s ease, color 0.12s ease;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(37, 99, 235, 0.4);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.24);
}

/* Sections */

.section {
  padding: 60px 0;
}

.section-alt {
  padding: 60px 0;
  background: #ffffff;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.section-title {
  font-size: 26px;
  font-weight: 800;
  margin: 0;
}

.section-link {
  font-size: 14px;
  color: var(--accent);
  font-weight: 600;
}

/* Basic responsive tweaks */

@media (max-width: 768px) {
  .section {
    padding: 40px 0;
  }

  .section-title {
    font-size: 22px;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }
}