/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; overflow-x: hidden; }
img { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { text-decoration: none; }

:root {
  --color-background: #000000;
  --color-surface: #1a1a1a;
  --color-button: #8e3cf6;
  --color-button-hover: #000000;
  --color-button-text: #ffffff;
  --color-secondary-button: #000000;
  --color-secondary-button-hover: #8e3cf6;
  --color-secondary-button-text: #ffffff;
  --color-font: #ffffff;
  --color-headers: #b388ff;
  --color-link: #b388ff;
  --color-link-hover: #ffffff;
  --color-border: #0e9e55;
  --color-accent: #0e9e55;
  --font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* ---- Typography ---- */
body {
  background-color: var(--color-background);
  color: var(--color-font);
  font-family: var(--font-family);
  line-height: 1.5;
  font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-headers);
  font-family: var(--font-family);
  line-height: 1.2;
  margin: 0 0 0.6em;
}

p { margin: 0 0 1em; }

a {
  color: var(--color-link);
  transition: color 0.2s ease;
}
a:hover, a:focus {
  color: var(--color-link-hover);
}

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

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  font-family: var(--font-family);
  font-weight: 600;
  text-align: center;
  border: 2px solid transparent;
  border-radius: 6px;
  padding: 10px 22px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

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

.btn-secondary {
  background-color: var(--color-secondary-button);
  color: var(--color-secondary-button-text);
  border-color: var(--color-accent);
}
.btn-secondary:hover {
  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);
  padding: 12px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo-link {
  display: inline-flex;
  align-items: center;
}

.logo-img {
  height: 40px;
  width: auto;
}

.header-cta {
  flex-shrink: 0;
}

/* ---- Footer ---- */
.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
}

.footer-logo-link .logo-img {
  height: 32px;
}

.footer-legal,
.footer-copy {
  color: var(--color-font);
  font-size: 0.875rem;
  opacity: 0.85;
  margin: 0;
}

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

@media (min-width: 900px) {
  .container {
    padding: 0 32px;
  }
  body {
    font-size: 17px;
  }
}

/* ---- 404 page ---- */
.page-404 {
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 64px;
  padding-bottom: 64px;
  gap: 8px;
}

.page-404 h1 {
  font-size: 3rem;
}

.page-404 p {
  color: var(--color-font);
  opacity: 0.85;
  max-width: 40ch;
}

/* ================================================
   Page-body additions (home article layout)
   Extends the existing design language above;
   colours/fonts reuse the same custom properties.
   ================================================ */

:root {
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --radius: 12px;
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.45);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-article h1,
.page-article h2 {
  line-height: 1.15;
}

.page-article p,
.page-article li {
  font-size: clamp(1rem, 0.95rem + 0.2vw, 1.125rem);
  line-height: 1.6;
  max-width: 72ch;
}

.page-article .table-wrap p,
.page-article .intro-text p,
.page-article .callout p {
  max-width: none;
}

/* ---- Sections / rhythm ---- */
.section {
  padding: var(--space-6) 0;
}

.section-bg { background-color: var(--color-background); }
.section-surface { background-color: var(--color-surface); }

.section h2 {
  font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.25rem);
  margin-bottom: var(--space-4);
}

/* ---- Hero ---- */
.hero {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-background) 65%, var(--color-border) 160%);
  padding: var(--space-7) 0 var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.hero-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 820px;
}

.hero h1 {
  font-size: clamp(2rem, 1.5rem + 2.5vw, 3.25rem);
  line-height: 1.12;
  margin: 0;
}

.hero-lead {
  font-size: clamp(1.05rem, 1rem + 0.3vw, 1.3rem);
  line-height: 1.6;
  max-width: 68ch;
  margin: 0;
  opacity: 0.92;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.hero-actions .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.trust-badges {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding: 0;
}

.trust-badges li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
  font-size: 0.9rem;
}

.badge-icon {
  flex-shrink: 0;
}

@media (min-width: 700px) {
  .trust-badges {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .trust-badges {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---- Table of contents ---- */
.toc-section {
  padding: var(--space-5) 0;
  background-color: var(--color-background);
}

.toc-box {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-surface);
  padding: var(--space-4);
}

.toc-title {
  font-weight: 700;
  color: var(--color-headers);
  margin: 0 0 var(--space-2);
}

.toc-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1) var(--space-4);
}

.toc-list li {
  position: relative;
  padding-left: var(--space-3);
}

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

.toc-list a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: var(--space-2) 0;
}

@media (min-width: 700px) {
  .toc-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---- Intro + banner ---- */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: center;
}

.intro-banner {
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  width: 100%;
  height: auto;
}

@media (min-width: 800px) {
  .intro-grid {
    grid-template-columns: 2fr 1fr;
  }
}

/* ---- Two column text + aside ---- */
.two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: start;
}

.side-image img {
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

@media (min-width: 800px) {
  .two-col {
    grid-template-columns: 3fr 2fr;
  }
}

/* ---- Tables ---- */
.table-wrap {
  overflow-x: auto;
  margin: var(--space-4) 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  min-width: 480px;
  background-color: var(--color-surface);
}

.table-wrap th,
.table-wrap td {
  text-align: left;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
  vertical-align: top;
}

.table-wrap th {
  color: var(--color-headers);
  font-weight: 700;
  background-color: rgba(255, 255, 255, 0.04);
}

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

.table-wrap tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.04);
}

/* ---- Steps list ---- */
.steps-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: var(--space-4) 0;
}

.steps-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
}

.step-num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-button);
  color: var(--color-button-text);
  font-weight: 700;
}

/* ---- Callouts ---- */
.callout {
  border: 1px solid var(--color-accent);
  border-left: 6px solid var(--color-accent);
  border-radius: var(--radius);
  background-color: var(--color-surface);
  padding: var(--space-4);
}

.callout h2 {
  margin-top: 0;
}

/* ---- Plain lists ---- */
.plain-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: 0 0 var(--space-3);
}

.plain-list li {
  padding-left: var(--space-3);
  position: relative;
}

.plain-list li::before {
  content: "\2022";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* ---- Trust section ---- */
.trust-section p {
  max-width: 80ch;
}

/* ---- Accordion (FAQ) ---- */
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-surface);
  overflow: hidden;
}

.accordion-item summary {
  cursor: pointer;
  list-style: none;
  padding: var(--space-3);
  font-weight: 600;
  color: var(--color-headers);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  min-height: 44px;
}

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

.accordion-item summary::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--color-accent);
  transition: transform 0.2s ease;
}

.accordion-item[open] summary::after {
  transform: rotate(45deg);
}

.accordion-content {
  padding: 0 var(--space-3) var(--space-3);
}

.accordion-content p {
  margin: 0;
}

.accordion-item summary:focus-visible,
.btn:focus-visible,
a:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---- Overflow safety: let flex/grid children shrink below content size instead of pushing the page wider ---- */
.hero-actions > *,
.trust-badges li,
.toc-list li,
.intro-grid > *,
.two-col > *,
.table-wrap,
.steps-list li,
.accordion-item {
  min-width: 0;
}

@media (max-width: 480px) {
  .table-wrap table {
    min-width: 0;
  }
}

/* ---- Buttons min height ---- */
.btn {
  min-height: 44px;
}

@media (prefers-reduced-motion: reduce) {
  .accordion-item summary::after,
  .btn,
  a {
    transition: none !important;
  }
}