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

:root {
  --color-background: #090a0b;
  --color-surface: #18191b;
  --color-button: #31ffe5;
  --color-button-hover: #31ffe5;
  --color-button-text: #090a0b;
  --color-secondary-button: #7a2e34;
  --color-secondary-button-hover: #4a171d;
  --color-secondary-button-text: #ffffff;
  --color-font: #f8f5ef;
  --color-headers: #ffffff;
  --color-link: #d9b36b;
  --color-link-hover: #31ffe5;
  --color-border: #d9b36b;
  --color-accent: #d9b36b;
  --font-family: Inter, Arial, sans-serif;
}

html { font-size: 16px; }

body {
  background-color: var(--color-background);
  color: var(--color-font);
  font-family: var(--font-family);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-headers);
  font-family: var(--font-family);
  line-height: 1.2;
}

a {
  color: var(--color-link);
  transition: color 0.15s ease;
}
a:hover, a:focus {
  color: var(--color-link-hover);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-family);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.65rem 1.5rem;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn--primary {
  background-color: var(--color-button);
  color: var(--color-button-text);
}
.btn--primary:hover, .btn--primary:focus {
  background-color: var(--color-button-hover);
  color: var(--color-button-text);
}

.btn--secondary {
  background-color: var(--color-secondary-button);
  color: var(--color-secondary-button-text);
}
.btn--secondary:hover, .btn--secondary:focus {
  background-color: var(--color-secondary-button-hover);
  color: var(--color-secondary-button-text);
}

/* Header */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
  gap: 16px;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
}

.site-header__logo {
  height: 40px;
  width: auto;
}

.site-header__cta {
  flex-shrink: 0;
}

/* Footer */
.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding-top: 32px;
  padding-bottom: 32px;
  text-align: center;
}

.site-footer__brand {
  display: inline-flex;
  align-items: center;
}

.site-footer__logo {
  height: 32px;
  width: auto;
}

.site-footer__legal {
  color: var(--color-font);
  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 24px;
  }
  .site-header__logo {
    height: 48px;
  }
}

/* Article main */
.article-main {
  display: block;
}

.section {
  padding: 32px 0;
  border-bottom: 1px solid var(--color-border);
}

.section:last-of-type {
  border-bottom: none;
}

.section--title h1 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.section--title p {
  margin-bottom: 20px;
}

.section h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.section p {
  margin-bottom: 16px;
}

.section p:last-of-type {
  margin-bottom: 16px;
}

/* Table of contents */
.toc {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 20px;
}

.toc__label {
  font-weight: 700;
  margin-bottom: 12px;
}

.toc__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.toc__list li {
  position: relative;
  padding-left: 20px;
}

.toc__list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

@media (min-width: 700px) {
  .toc__list {
    grid-template-columns: 1fr 1fr;
  }
}

/* Promotional banner */
.promo-banner {
  display: block;
  border-radius: 8px;
  overflow: hidden;
  margin-top: 8px;
}

.promo-banner img {
  width: 100%;
  border-radius: 8px;
  transition: opacity 0.15s ease;
}

.promo-banner:hover img {
  opacity: 0.9;
}

/* Section images */
.section-image {
  border-radius: 8px;
  margin: 16px 0;
  max-width: 420px;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  margin: 16px 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.data-table th,
.data-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.data-table th {
  color: var(--color-headers);
  background-color: var(--color-background);
  font-weight: 700;
}

.data-table tr:last-child td {
  border-bottom: none;
}

/* Step list */
.step-list {
  counter-reset: step;
  margin: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.step-list li {
  position: relative;
  padding-left: 44px;
  min-height: 32px;
}

.step-list li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: var(--color-button);
  color: var(--color-button-text);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Trust section */
.section--trust {
  background-color: var(--color-surface);
}

/* FAQ accordion */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 16px 0;
}

.accordion__item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 14px 18px;
}

.accordion__item summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--color-headers);
  list-style: none;
}

.accordion__item summary::-webkit-details-marker {
  display: none;
}

.accordion__item summary::after {
  content: "+";
  float: right;
  color: var(--color-accent);
}

.accordion__item[open] summary::after {
  content: "\2212";
}

.accordion__item p {
  margin-top: 12px;
  margin-bottom: 0;
}

/* CTA buttons inside sections */
.section > .container > .btn {
  margin-top: 8px;
}

@media (min-width: 900px) {
  .section-image {
    max-width: 480px;
  }
}