:root {
  --cg-ink-9: #0b1220;
  --cg-ink-7: #1a2a44;
  --cg-surface-0: #f6f8ff;
  --cg-surface-1: rgba(255,255,255,0.62);
  --cg-border-1: rgba(15,23,42,0.14);
  --cg-accent-6: #2f6bff;
  --cg-accent-7: #1f4fd6;
  --cg-mint-6: #22c7a6;
  --cg-warn-6: #ffb020;
  --cg-shadow-1: 0 18px 50px rgba(11,18,32,0.18);
  color-scheme: light;
  font-synthesis: none;
  text-rendering: geometricPrecision;
  scrollbar-gutter: stable both-edges;
  accent-color: var(--cg-accent-6);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100svh;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.65;
  letter-spacing: 0.01em;
  color: var(--cg-ink-9);
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: radial-gradient(1200px 700px at 15% 10%, rgba(47,107,255,0.18), transparent 60%), radial-gradient(900px 600px at 85% 20%, rgba(34,199,166,0.16), transparent 55%), linear-gradient(180deg, var(--cg-surface-0), #ffffff);
  background-attachment: fixed;
}

a {
  color: var(--cg-accent-7);
  text-decoration-thickness: 0.12em;
  text-underline-offset: 0.18em;
  text-decoration-color: rgba(47,107,255,0.45);
  transition: color 220ms ease, text-decoration-color 220ms ease;
}

a:hover {
  color: var(--cg-accent-6);
  text-decoration-color: rgba(34,199,166,0.55);
}

a:focus-visible {
  outline: 3px solid rgba(34,199,166,0.75);
  outline-offset: 3px;
  border-radius: 10px;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 10px;
  padding: 10px 12px;
  background: rgba(255,255,255,0.78);
  border: 1px solid var(--cg-border-1);
  backdrop-filter: blur(10px);
  transform: translateY(-140%);
  transition: transform 180ms ease;
  z-index: 100;
  border-radius: 8px;
  font-weight: 600;
}

.skip-link:focus-visible {
  transform: translateY(0);
  box-shadow: 0 10px 30px rgba(11,18,32,0.16);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255,255,255,0.55);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(15,23,42,0.10);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand a {
  font-weight: 750;
  letter-spacing: 0.02em;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--cg-ink-9);
}

.brand small {
  color: rgba(26,42,68,0.78);
  font-size: 0.82rem;
}

.primary-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
}

.primary-nav a {
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(15,23,42,0.10);
  background: linear-gradient(180deg, rgba(255,255,255,0.72), rgba(255,255,255,0.42));
  box-shadow: 0 10px 26px rgba(11,18,32,0.10);
  text-decoration: none;
  font-weight: 600;
  transition: all 200ms ease;
}

.primary-nav a:hover {
  background: linear-gradient(180deg, rgba(34,199,166,0.20), rgba(255,255,255,0.50));
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(11,18,32,0.14);
}

.primary-nav a[aria-current="page"] {
  border-color: rgba(47,107,255,0.35);
  background: linear-gradient(180deg, rgba(47,107,255,0.16), rgba(255,255,255,0.50));
  color: var(--cg-ink-9);
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 22px 18px 40px;
  display: grid;
  gap: 18px;
}

.hero {
  border: 1px solid var(--cg-border-1);
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(47,107,255,0.14), rgba(34,199,166,0.10) 55%, rgba(255,255,255,0.55));
  box-shadow: var(--cg-shadow-1);
  padding: 22px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
  animation: fadeInUp 600ms ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.55rem, 2.2vw, 2.15rem);
  line-height: 1.15;
  letter-spacing: 0.01em;
}

.lede {
  margin: 10px 0 0;
  color: rgba(26,42,68,0.88);
  max-width: 62ch;
}

.keypoints {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  align-content: start;
}

.keypoints li {
  padding: 12px 12px;
  border-radius: 16px;
  background: rgba(255,255,255,0.58);
  border: 1px solid rgba(15,23,42,0.10);
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.keypoints li:hover {
  transform: translateX(4px);
  box-shadow: 0 8px 20px rgba(11,18,32,0.12);
  background: rgba(255,255,255,0.72);
}

.card {
  border-radius: 20px;
  border: 1px solid rgba(15,23,42,0.12);
  background: rgba(255,255,255,0.60);
  backdrop-filter: blur(12px);
  padding: 18px 18px;
  box-shadow: 0 14px 40px rgba(11,18,32,0.12);
  animation: fadeIn 500ms ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.card h2 {
  margin: 0 0 10px;
  font-size: 1.25rem;
  letter-spacing: 0.01em;
  color: var(--cg-ink-9);
}

.card h1 {
  margin: 0 0 12px;
  font-size: 1.6rem;
}

p {
  margin: 0 0 12px;
}

ul {
  margin: 0 0 12px;
  padding-left: 1.1rem;
}

li {
  margin-bottom: 6px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 16px;
  border: 1px solid rgba(15,23,42,0.10);
  background: rgba(255,255,255,0.52);
  font-size: 0.9rem;
}

.breadcrumbs a {
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(47,107,255,0.10);
  border: 1px solid rgba(47,107,255,0.18);
  transition: background 180ms ease;
}

.breadcrumbs a:hover {
  background: rgba(34,199,166,0.18);
  border-color: rgba(34,199,166,0.28);
}

.breadcrumbs .sep {
  color: rgba(26,42,68,0.55);
  user-select: none;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(15,23,42,0.12);
  background: rgba(255,255,255,0.66);
  margin: 16px 0;
  box-shadow: 0 10px 28px rgba(11,18,32,0.10);
}

caption {
  caption-side: top;
  text-align: left;
  padding: 10px 12px;
  font-weight: 700;
  color: rgba(26,42,68,0.92);
  font-size: 1.05rem;
}

thead th {
  text-align: left;
  padding: 12px 12px;
  background: linear-gradient(180deg, rgba(47,107,255,0.14), rgba(255,255,255,0.40));
  border-bottom: 1px solid rgba(15,23,42,0.10);
  font-size: 0.95rem;
  font-weight: 700;
}

tbody td {
  padding: 12px 12px;
  border-bottom: 1px solid rgba(15,23,42,0.08);
  color: rgba(11,18,32,0.92);
}

tbody tr:nth-child(even) td {
  background: rgba(34,199,166,0.06);
}

tbody tr:hover td {
  background: rgba(255,176,32,0.10);
  transition: background 150ms ease;
}

tbody tr:last-child td {
  border-bottom: none;
}

.faq-item {
  border-radius: 18px;
  border: 1px solid rgba(15,23,42,0.12);
  background: rgba(255,255,255,0.58);
  padding: 12px 12px;
  box-shadow: 0 12px 34px rgba(11,18,32,0.10);
  transition: box-shadow 200ms ease;
}

.faq-item:hover {
  box-shadow: 0 16px 42px rgba(11,18,32,0.14);
}

.faq-item + .faq-item {
  margin-top: 10px;
}

.faq-q {
  cursor: pointer;
  font-weight: 720;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 10px;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,0.70), rgba(255,255,255,0.40));
  transition: background 180ms ease;
}

.faq-q:hover {
  background: linear-gradient(180deg, rgba(34,199,166,0.10), rgba(255,255,255,0.50));
}

.faq-q::-webkit-details-marker {
  display: none;
}

.faq-q::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--cg-accent-6);
  transition: transform 200ms ease;
}

.faq-item[open] .faq-q {
  border: 1px solid rgba(34,199,166,0.28);
  background: linear-gradient(180deg, rgba(34,199,166,0.12), rgba(255,255,255,0.52));
}

.faq-item[open] .faq-q::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-a {
  padding: 10px 10px 4px;
  color: rgba(26,42,68,0.90);
  animation: slideDown 300ms ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.callout {
  border-left: 4px solid var(--cg-mint-6);
  background: linear-gradient(135deg, rgba(34,199,166,0.12), rgba(255,255,255,0.60));
}

.site-footer {
  border-top: 1px solid rgba(15,23,42,0.10);
  background: rgba(255,255,255,0.50);
  backdrop-filter: blur(12px);
  margin-top: 40px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  color: rgba(26,42,68,0.78);
  font-size: 0.9rem;
}

.footer-inner a {
  color: rgba(26,42,68,0.92);
  text-decoration-color: rgba(26,42,68,0.35);
  margin-left: 12px;
}

.footer-inner nav {
  display: flex;
  gap: 4px;
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 18px;
  }
}

@media (max-width: 520px) {
  .primary-nav a {
    padding: 9px 10px;
    border-radius: 12px;
    font-size: 0.9rem;
  }
  
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  
  table {
    font-size: 0.85rem;
  }
  
  thead th, tbody td {
    padding: 8px 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}