/* Colors from src/Silkfly.App/Styles/Tokens.axaml */
:root {
  --bg: #1B1013;
  --surface: #0B0708;
  --border: #3B2327;
  --border-strong: #6A343A;
  --text: #F3E9E7;
  --text-secondary: #B9A3A0;
  --text-muted: #94807D;
  --accent: #C8323C;
  --accent-pressed: #9E2630;
  --accent-soft: #3A1518;
  --on-accent: #FFFFFF;
  --link: #FF7A7F;
  --control: #33201F;
  --radius: 4px;
  color-scheme: dark;
}

@font-face {
  font-family: "Noto Sans";
  font-weight: 400;
  font-display: swap;
  src: url("fonts/noto-sans-400.woff2") format("woff2");
}

@font-face {
  font-family: "Noto Sans";
  font-weight: 600;
  font-display: swap;
  src: url("fonts/noto-sans-600.woff2") format("woff2");
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1rem/1.6 "Noto Sans", system-ui, sans-serif;
  text-align: center;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--link);
}

a:hover {
  color: var(--text);
}

:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 3px;
}

code {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.9em;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.05em 0.35em;
  overflow-wrap: anywhere;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: var(--radius);
}

.skip:focus {
  top: 1rem;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0.9rem 1.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
}

.brand img {
  border-radius: 6px;
}

.lang {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.5rem 0;
}

.lang:hover {
  color: var(--text);
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.hero .art {
  display: block;
  width: 560px;
  margin: 0 auto -1.5rem;
}

h1 {
  font-size: 3rem;
  line-height: 1.1;
  margin: 0;
}

.tagline {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin: 0.4rem 0 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 3rem;
  padding: 0 1.75rem;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
}

.btn:hover,
.btn:active {
  background: var(--accent-pressed);
  color: var(--on-accent);
}

.btn svg {
  width: 1.2rem;
  height: 1.2rem;
}

.meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0.6rem 0 0.25rem;
}

.intro {
  color: var(--text-secondary);
  margin: 2rem auto 0;
}

/* collapsible blocks */
summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.5rem;
}

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

summary h2 {
  font-size: 1.25rem;
  margin: 0;
}

.chevron {
  width: 1.1rem;
  height: 1.1rem;
  flex: none;
  transition: transform 0.15s;
}

details[open] > summary .chevron {
  transform: rotate(180deg);
}

.others summary {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.others ul {
  list-style: none;
  padding: 0;
  margin: 0.5rem auto 0;
  max-width: 420px;
  text-align: left;
}

.others a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
}

.others a:hover {
  background: var(--control);
}

.others span {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.others .current a {
  background: var(--accent-soft);
}

.others .current span {
  color: var(--text-secondary);
}

.more {
  margin-top: 2.5rem;
  display: grid;
  gap: 0.25rem;
}

.body {
  text-align: left;
  padding: 0.5rem 0 1.5rem;
}

.body ul,
.body ol {
  margin: 0 0 1rem;
  padding-left: 1.4rem;
}

.body li {
  margin: 0.25rem 0;
}

.body p {
  color: var(--text-secondary);
  margin: 0.5rem 0;
}

.body .shot {
  display: block;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  margin: 0 0 1rem;
}

.faq h3 {
  font-size: 1rem;
  margin: 1rem 0 0.2rem;
}

.faq p {
  margin: 0;
}

.links {
  list-style: none;
  padding: 0;
  margin: 2.5rem 0 0;
  display: flex;
  justify-content: center;
  gap: 2.5rem;
}

.links a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.25rem;
}

.links a:hover {
  color: var(--text);
}

.links svg {
  width: 2rem;
  height: 2rem;
}

.foot {
  max-width: 680px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 2rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

@media (max-width: 600px) {
  h1 {
    font-size: 2.4rem;
  }

  .hero .art {
    margin-bottom: -0.75rem;
  }

  summary h2 {
    font-size: 1.1rem;
  }

  .links {
    gap: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .chevron {
    transition: none;
  }
}