/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, h4, h5, h6, p, ul, ol, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ---------- Base ---------- */
html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  background-color: #2d3748;
  color: #ffffff;
  line-height: 1.5;
}

h1, h2, h3, h4, h5, h6 {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  color: #ffffff;
  line-height: 1.2;
}

a {
  color: #b2ff00;
  transition: color 0.2s ease;
}
a:hover,
a:focus {
  color: #ffffff;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  text-align: center;
  padding: 0.65rem 1.5rem;
  border-radius: 0.375rem;
  border: 1px solid transparent;
  cursor: pointer;
  background-color: #b2ff00;
  color: #1a202c;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.btn:hover,
.btn:focus {
  background-color: #b2ff00;
  color: #1a202c;
}

.btn--secondary {
  background-color: #020203;
  color: #ffffff;
}
.btn--secondary:hover,
.btn--secondary:focus {
  background-color: #020203;
  color: #ffffff;
}

.btn--cta {
  background-color: #b2ff00;
  color: #1a202c;
}

/* ---------- Site header ---------- */
.site-header {
  background-color: #1a202c;
  border-bottom: 1px solid #d4af7a26;
  position: relative;
  width: 100%;
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}
.site-logo {
  display: inline-flex;
  align-items: center;
}
.site-logo__img {
  height: 40px;
  width: auto;
}
.site-header__cta {
  flex-shrink: 0;
}

/* ---------- Site footer ---------- */
.site-footer {
  background-color: #1a202c;
  border-top: 1px solid #d4af7a26;
  width: 100%;
  margin-top: 2rem;
}
.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding-top: 2rem;
  padding-bottom: 2rem;
  text-align: center;
}
.site-footer__logo .site-logo__img {
  height: 32px;
}
.site-footer__legal {
  color: #ffffff;
  font-size: 0.85rem;
  opacity: 0.8;
}

/* ---------- Responsive ---------- */
@media (min-width: 600px) {
  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 900px) {
  .container {
    padding: 0 2rem;
  }
}

/* ---------- 404 page ---------- */
.error-404__inner {
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 1rem;
  padding-top: 4rem;
  padding-bottom: 4rem;
}
.error-404__code {
  font-size: 4rem;
  font-weight: 700;
  color: #b2ff00;
  line-height: 1;
}
.error-404__title {
  font-size: 1.75rem;
  font-weight: 700;
}
.error-404__text {
  color: #ffffff;
  opacity: 0.85;
  max-width: 32rem;
}
.error-404__link {
  margin-top: 0.5rem;
}


/* ---------- Article page ---------- */
.article-page {
  padding-top: 2rem;
  padding-bottom: 2rem;
}
.page-title h1 {
  font-size: 1.875rem;
  margin-bottom: 1.25rem;
}
@media (min-width: 900px) {
  .page-title h1 { font-size: 2.25rem; }
}

.toc {
  background-color: #1a202c;
  border: 1px solid #d4af7a26;
  border-radius: 0.5rem;
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}
.toc__label {
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  opacity: 0.75;
  margin-bottom: 0.75rem;
}
.toc__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}
@media (min-width: 700px) {
  .toc__list { grid-template-columns: 1fr 1fr; }
}
.toc__list li {
  padding-left: 1.1rem;
  position: relative;
}
.toc__list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: #b2ff00;
}
.toc__list a {
  font-size: 0.95rem;
}

.intro { margin-bottom: 2rem; }
.intro p { margin-bottom: 1rem; }
.intro__banner {
  border-radius: 0.5rem;
  margin-top: 1rem;
  width: 100%;
  height: auto;
}

.article-section {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid #d4af7a26;
}
.article-section:last-of-type { border-bottom: none; }
.article-section h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}
.article-section h3 {
  font-size: 1.15rem;
  margin: 1.25rem 0 0.75rem;
}
.article-section p { margin-bottom: 1rem; }
.article-section__image {
  border-radius: 0.5rem;
  margin: 0.5rem 0 1rem;
  max-width: 100%;
}

.table-wrap {
  overflow-x: auto;
  margin-bottom: 1rem;
  border: 1px solid #d4af7a26;
  border-radius: 0.5rem;
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 480px;
}
th, td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #d4af7a26;
  font-size: 0.92rem;
  vertical-align: top;
}
thead th {
  background-color: #1a202c;
  color: #ffffff;
  font-weight: 700;
}
tbody tr:last-child td { border-bottom: none; }

.step-list, .bullet-list {
  margin: 0 0 1rem 0;
  padding-left: 0;
}
.step-list {
  counter-reset: step;
  list-style: none;
}
.step-list li {
  position: relative;
  padding-left: 2.25rem;
  margin-bottom: 0.9rem;
}
.step-list li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background-color: #b2ff00;
  color: #1a202c;
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.bullet-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.75rem;
}
.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background-color: #b2ff00;
}

.cta-wrap {
  text-align: center;
  margin: 1.5rem 0;
}

.article-section--trust,
.article-section--support { }

.accordion__item {
  border: 1px solid #d4af7a26;
  border-radius: 0.5rem;
  padding: 0.9rem 1.1rem;
  margin-bottom: 0.75rem;
  background-color: #1a202c;
}
.accordion__item summary {
  cursor: pointer;
  list-style: none;
}
.accordion__item summary::-webkit-details-marker { display: none; }
.accordion__item summary h3 {
  display: inline;
  font-size: 1.05rem;
  margin: 0;
}
.accordion__item summary::before {
  content: "+";
  display: inline-block;
  width: 1.25rem;
  color: #b2ff00;
  font-weight: 700;
}
.accordion__item[open] summary::before {
  content: "\2212";
}
.accordion__item p {
  margin-top: 0.75rem;
  margin-bottom: 0;
}

@media (min-width: 900px) {
  .article-section h2 { font-size: 1.75rem; }
}