:root {
  --main-bg: #f7f9fc;
  --accent: #2563eb;
  --accent-dark: #1e40af;
  --text: #22223b;
  --muted: #6c757d;
  --border: #e0e7ef;
  --radius: 14px;
  --shadow: 0 2px 16px rgba(34,34,59,0.08);
  --font-main: 'Segoe UI', 'Arial', sans-serif;
  --hover-accent: #ffe066;
  --hover-bg: #eaf0fb;
}

html {
  scroll-behavior: smooth;
}

section {
  margin-bottom: 2.5rem;
}

.cta {
  display: inline-block;
  background: var(--accent-dark);
  color: #fff;
  padding: 1rem 2.5rem;
  border-radius: var(--radius);
  font-size: 1.3rem;
  font-weight: 700;
  text-decoration: none;
  margin-top: 1.5rem;
  transition: background 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 12px rgba(37,99,235,0.10);
}

.cta:hover {
  background: var(--hover-accent);
  color: var(--accent-dark);
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 6px 24px rgba(37,99,235,0.15);
}

.card {
  background: #f1f5fa;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem 2rem;
  margin-bottom: 2rem;
  border-left: 5px solid var(--accent);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.card:hover, .mvp-invite:hover {
  box-shadow: 0 6px 24px rgba(37,99,235,0.13);
  border-left: 5px solid var(--hover-accent);
}

ul, ol {
  padding-left: 1.5rem;
}

blockquote {
  background: #eaf0fb;
  border-left: 4px solid var(--accent-dark);
  margin: 1.5rem 0;
  padding: 1rem 2rem;
  font-style: italic;
  color: var(--accent-dark);
}

svg.icon {
  width: 32px;
  height: 32px;
  vertical-align: middle;
  margin-right: 0.5rem;
}

.features-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.2rem;
}

.features-list li {
  background: var(--hover-bg);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  font-size: 1.08rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: background 0.2s, box-shadow 0.2s;
  box-shadow: 0 1px 5px rgba(37,99,235,0.04);
  cursor: pointer;
}

.features-list li:hover {
  background: var(--hover-accent);
  color: var(--accent-dark);
  box-shadow: 0 4px 16px rgba(37,99,235,0.10);
}

.feature-icon {
  font-size: 1.7rem;
  transition: transform 0.2s;
}

.features-list li:hover .feature-icon {
  transform: scale(1.2) rotate(-8deg);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
  gap: 1.5rem;
}

.article-card {
  background: #f7f9fc;
  border-radius: var(--radius);
  box-shadow: 0 1px 8px rgba(37,99,235,0.06);
  padding: 1.3rem 1.2rem;
  transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
  border-left: 4px solid var(--accent);
}

.article-card:hover {
  background: var(--hover-accent);
  box-shadow: 0 4px 20px rgba(37,99,235,0.12);
  transform: translateY(-4px) scale(1.03);
  border-left: 4px solid var(--accent-dark);
}

.slogans-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.slogans-list li {
  background: var(--hover-bg);
  border-radius: var(--radius);
  padding: 0.7rem 1.3rem;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--accent-dark);
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  box-shadow: 0 1px 5px rgba(37,99,235,0.05);
  cursor: pointer;
}

.slogans-list li:hover {
  background: var(--accent-dark);
  color: #fff;
  box-shadow: 0 4px 16px rgba(37,99,235,0.13);
}

details {
  margin-bottom: 1.2rem;
  background: #f7f9fc;
  border-radius: var(--radius);
  box-shadow: 0 1px 6px rgba(37,99,235,0.06);
  padding: 1rem 1.5rem;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}

details[open] {
  background: var(--hover-accent);
  box-shadow: 0 4px 20px rgba(37,99,235,0.10);
}

details summary {
  font-weight: 700;
  color: var(--accent-dark);
  cursor: pointer;
  outline: none;
}

.features-list, .articles-grid, .slogans-list {
  grid-template-columns: 1fr !important;
  flex-direction: column;
  gap: 1rem;
}