@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@500;600;700;800&family=Public+Sans:wght@400;500;600;700&display=swap');

:root {
  --max-width: 1160px;
  --color-primary: #4B3F8F;
  --color-primary-dark: #2E2660;
  --color-primary-light: #EEEAFA;
  --color-accent: #E29A3E;
  --color-accent-dark: #C27E28;
  --color-accent-light: #FBEBD3;
  --color-text: #211C36;
  --color-text-soft: #5C5675;
  --color-muted: #716A8C;
  --color-bg: #FFFFFF;
  --color-bg-soft: #F6F4FC;
  --color-border: #DAD2EF;
  --color-border-soft: #E9E4F6;
  --radius: 14px;
  --radius-sm: 9px;
  --font-display: 'Manrope', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Public Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 2.75rem;
  --space-8: 4rem;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(46, 38, 96, 0.05), 0 2px 6px rgba(46, 38, 96, 0.05);
  --shadow-md: 0 4px 10px rgba(46, 38, 96, 0.07), 0 12px 24px -8px rgba(46, 38, 96, 0.12);
  --shadow-lg: 0 10px 20px rgba(46, 38, 96, 0.10), 0 24px 48px -12px rgba(46, 38, 96, 0.18);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--color-primary-dark);
}

h1 { font-size: clamp(2.1rem, 4.4vw, 3rem); font-weight: 800; letter-spacing: -0.03em; margin: 0 0 var(--space-4); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.05rem); margin: var(--space-8) 0 var(--space-4); }
h3 { font-size: 1.2rem; letter-spacing: -0.01em; margin: var(--space-5) 0 var(--space-3); }
h4 { font-size: 1.02rem; letter-spacing: -0.005em; margin: 0 0 var(--space-2); }

p { margin: 0 0 var(--space-4); }
p:last-child { margin-bottom: 0; }

a { color: var(--color-primary); text-decoration: none; font-weight: 600; text-underline-offset: 2px; }
a:hover { text-decoration: underline; }

a:focus-visible, button:focus-visible, summary:focus-visible, .nav-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

ul, ol { padding-left: 1.3rem; margin: 0 0 var(--space-4); }
li { margin-bottom: var(--space-2); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

svg.icon { width: 22px; height: 22px; flex-shrink: 0; stroke: currentColor; fill: none; stroke-width: 1.9; }

/* Header */
.site-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 var(--color-border), 0 6px 16px -12px rgba(46, 38, 96, 0.18);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header__inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.08rem;
  letter-spacing: -0.01em;
  color: var(--color-primary-dark);
}
.site-logo:hover { text-decoration: none; }

.site-nav__list {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 2rem;
  align-items: center;
}
.site-nav__list a {
  position: relative;
  color: var(--color-text-soft);
  font-weight: 600;
  font-size: 0.93rem;
  padding: 0.3rem 0;
}
.site-nav__list a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
  transition: right 0.18s ease;
}
.site-nav__list a:hover, .site-nav__list a.active { color: var(--color-primary-dark); text-decoration: none; }
.site-nav__list a:hover::after, .site-nav__list a.active::after { right: 0; }

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.nav-toggle:hover { border-color: var(--color-primary); background: var(--color-primary-light); }
.nav-toggle__bar { width: 16px; height: 2px; background: var(--color-primary-dark); margin: 0 auto; border-radius: 1px; }

.site-nav__list.is-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  padding: 1.2rem 1.5rem;
  gap: 1rem;
  z-index: 60;
}
.site-nav__list.is-open a::after { display: none; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-soft);
  padding: var(--space-7) 0 var(--space-6);
  margin-top: var(--space-8);
}
.site-footer__inner { display: flex; flex-direction: column; gap: var(--space-5); }
.site-footer__brand { display: flex; align-items: center; gap: 0.6rem; font-family: var(--font-display); font-weight: 800; letter-spacing: -0.01em; color: var(--color-primary-dark); }
.site-footer__note { color: var(--color-muted); font-size: 0.88rem; max-width: 640px; line-height: 1.6; }
.site-footer__links { display: flex; flex-wrap: wrap; gap: var(--space-5); }
.site-footer__links a { color: var(--color-text-soft); font-size: 0.9rem; font-weight: 600; }
.site-footer__copy { color: var(--color-muted); font-size: 0.82rem; margin: 0; }

@media (min-width: 768px) {
  .site-nav__list { display: flex; }
  .nav-toggle { display: none; }
  .site-footer__inner { flex-direction: row; align-items: center; justify-content: space-between; flex-wrap: wrap; }
}