:root {
  --text: #3d3a42;
  --text-muted: #5a5568;
  --text-heading: #2d2a35;
  --bg: #e8ecf5;
  --bg-card: rgba(255, 255, 255, 0.85);
  --border: rgba(200, 198, 220, 0.6);
  --accent: #e07c3c;
  --accent-hover: #c9682a;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.1);
  --radius: 16px;
  --font: "Noto Sans SC", system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg) url("./public/bg-pattern.png") center top / cover no-repeat;
  background-attachment: fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(232, 236, 245, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.logo:hover {
  color: var(--accent-hover);
}

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.nav a:hover {
  color: var(--accent);
}

.hero {
  position: relative;
  padding: 72px 24px 80px;
  text-align: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(255, 255, 255, 0.4) 0%, transparent 55%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 680px;
  margin: 0 auto;
  padding: 32px 28px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.25;
  margin-bottom: 20px;
  color: var(--text-heading);
}

.hero-desc {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 56px 24px 80px;
}

.page-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  padding: 36px 32px;
}

.page-header {
  margin-bottom: 36px;
}

.page-eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.page-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.25;
  color: var(--text-heading);
  margin-bottom: 16px;
}

.page-lead {
  max-width: 760px;
  font-size: 1.05rem;
  color: var(--text-muted);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 1fr);
  gap: 24px;
  align-items: start;
}

.about-content {
  display: grid;
  gap: 24px;
}

.about-block h2 {
  margin-bottom: 12px;
  font-size: 1.2rem;
  color: var(--text-heading);
}

.about-block p {
  color: var(--text-muted);
}

.about-points {
  display: grid;
  gap: 16px;
}

.about-point {
  padding: 18px 20px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.55);
}

.about-point strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text-heading);
}

.about-aside {
  display: grid;
  gap: 16px;
}

.about-stat {
  padding: 22px 20px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.6);
}

.about-stat-value {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 6px;
}

.about-stat-label {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.features {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.features-title {
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: 40px;
  color: var(--text-heading);
}

.features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
  transition: box-shadow 0.25s, transform 0.2s;
}

.feature-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.feature-icon {
  display: inline-flex;
  font-size: 2rem;
  margin-bottom: 14px;
}

.feature-title {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--text-heading);
}

.feature-desc {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-muted);
}

.site-footer {
  padding: 32px 24px;
  text-align: center;
  border-top: 1px solid var(--border);
  background: var(--bg-card);
  backdrop-filter: blur(8px);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-brand {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 6px;
}

.footer-copy {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--text-muted);
  opacity: 0.85;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.footer-copyright a:hover {
  color: var(--accent);
}

@media (max-width: 640px) {
  .hero {
    padding: 48px 20px 56px;
  }

  .page-shell {
    padding: 40px 20px 56px;
  }

  .page-panel {
    padding: 28px 20px;
  }

  .features {
    padding: 36px 20px 56px;
  }

  .features-list {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }
}