:root {
  --background: #0b0e12;
  --foreground: #f4f7fa;
  --primary: #f28c28;
  --primary-foreground: #15100a;
  --secondary: #18212b;
  --secondary-foreground: #e8eef5;
  --accent: #3b9dff;
  --muted: #121820;
  --muted-foreground: #aab5c2;
  --card: #151b23;
  --card-foreground: #f4f7fa;
  --border: #2a3542;
  --destructive: #f05d5e;
  --success: #49b982;
  --font-heading: -apple-system, "Segoe UI Semibold", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-body: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Faint tactical grid backdrop, matching the app's header treatment. */
body {
  background-image:
    linear-gradient(rgba(242, 140, 40, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 140, 40, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  background-attachment: fixed;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */

header.site {
  border-bottom: 1px solid var(--border);
  background: rgba(11, 14, 18, 0.9);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}

header.site .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.3px;
  color: var(--foreground);
}

.brand .mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--primary);
  color: var(--primary-foreground);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  flex-shrink: 0;
}

nav.site-nav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

nav.site-nav a {
  color: var(--muted-foreground);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 8px;
  text-decoration: none;
}

nav.site-nav a:hover,
nav.site-nav a:focus-visible {
  color: var(--foreground);
  background: var(--secondary);
  text-decoration: none;
}

nav.site-nav a[aria-current="page"] {
  color: var(--primary);
  background: rgba(242, 140, 40, 0.12);
}

/* ---------- Language switcher ---------- */

.lang-switch {
  display: flex;
  gap: 4px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 3px;
  background: var(--card);
}

.lang-switch button {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--muted-foreground);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.4px;
  padding: 6px 10px;
  border-radius: 7px;
  cursor: pointer;
}

.lang-switch button:hover {
  color: var(--foreground);
}

.lang-switch button[aria-pressed="true"] {
  background: var(--primary);
  color: var(--primary-foreground);
}

/* ---------- Layout ---------- */

main {
  padding: 40px 0 80px;
}

.eyebrow {
  color: var(--primary);
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin: 0 0 8px;
}

h1 {
  font-family: var(--font-heading);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.2px;
  margin: 0 0 12px;
  color: var(--foreground);
}

h2 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  margin: 32px 0 10px;
  color: var(--foreground);
}

h2 .num {
  color: var(--primary);
  margin-right: 8px;
}

p,
li {
  color: var(--muted-foreground);
  font-size: 14.5px;
}

ul {
  padding-left: 20px;
}

strong {
  color: var(--foreground);
}

.updated {
  color: var(--muted-foreground);
  font-size: 12.5px;
  margin: 0 0 28px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  margin: 18px 0;
}

.card p:last-child {
  margin-bottom: 0;
}

.notice {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: rgba(240, 93, 94, 0.1);
  border: 1px solid rgba(240, 93, 94, 0.4);
  border-radius: 12px;
  padding: 14px 16px;
  margin: 0 0 28px;
}

.notice .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--destructive);
  margin-top: 6px;
  flex-shrink: 0;
}

.notice p {
  margin: 0;
  color: var(--foreground);
  font-size: 13.5px;
  line-height: 1.6;
}

.steps {
  list-style: none;
  padding: 0;
  margin: 18px 0;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding: 10px 0 10px 40px;
  border-bottom: 1px solid var(--border);
  color: var(--foreground);
  font-size: 14px;
}

.steps li:last-child {
  border-bottom: none;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 8px;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--secondary);
  border: 1px solid var(--border);
  color: var(--primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 13.5px;
  padding: 11px 18px;
  border-radius: 10px;
  border: 1px solid var(--border);
  cursor: pointer;
  text-decoration: none !important;
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-foreground);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--secondary-foreground);
}

.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 18px 0;
}

.placeholder-block {
  background: var(--muted);
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  margin: 18px 0;
  color: var(--muted-foreground);
  font-size: 13px;
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin: 24px 0;
}

.grid-cards a.card-link {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  color: var(--foreground);
  text-decoration: none;
}

.grid-cards a.card-link:hover,
.grid-cards a.card-link:focus-visible {
  border-color: var(--primary);
  text-decoration: none;
}

.grid-cards .card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.grid-cards .card-desc {
  font-size: 13px;
  color: var(--muted-foreground);
}

/* ---------- Footer ---------- */

footer.site {
  border-top: 1px solid var(--border);
  padding: 28px 0 40px;
}

footer.site .foot-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

footer.site p {
  margin: 0;
  font-size: 12.5px;
}

footer.site nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

footer.site nav a {
  color: var(--muted-foreground);
  font-size: 12.5px;
  font-weight: 600;
}

.disclaimer {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted-foreground);
  font-size: 11.5px;
  line-height: 1.6;
}

[hidden] {
  display: none !important;
}

@media (max-width: 560px) {
  h1 {
    font-size: 24px;
  }

  header.site .bar {
    padding: 12px 0;
  }
}

/* ---------- Marketing / content pages (Phase 2 static site) ---------- */

.section-lead {
  font-size: 15.5px;
  color: var(--foreground);
  max-width: 62ch;
}

.stat-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 20px 0;
}

.stat-pill {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13px;
  color: var(--foreground);
  font-weight: 600;
}

.stat-pill strong {
  color: var(--primary);
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 18px 0;
}

.feature-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  color: var(--muted-foreground);
  font-size: 14px;
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list strong {
  color: var(--foreground);
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-heading);
}

details.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  margin: 10px 0;
}

details.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--foreground);
  font-family: var(--font-heading);
  font-size: 14.5px;
  list-style: none;
}

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

details.faq-item summary::before {
  content: "+";
  color: var(--primary);
  margin-right: 10px;
  font-weight: 800;
}

details.faq-item[open] summary::before {
  content: "\2013";
}

details.faq-item p {
  margin: 10px 0 0;
}