/* FrameGuard docs site */
@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;600&family=Sora:wght@400;500;600;700&display=swap");
@import url("./tokens.css");

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--fg-font-display);
  color: var(--fg-ink);
  background:
    radial-gradient(ellipse 900px 520px at 8% -8%, color-mix(in srgb, var(--fg-pass) 14%, transparent) 0%, transparent 58%),
    radial-gradient(ellipse 720px 480px at 96% 4%, color-mix(in srgb, var(--fg-signal) 10%, transparent) 0%, transparent 52%),
    linear-gradient(180deg, #eef3f1 0%, var(--fg-paper) 42%, var(--fg-paper) 100%);
  background-attachment: fixed;
  line-height: 1.55;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(color-mix(in srgb, var(--fg-ink) 4%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--fg-ink) 4%, transparent) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 72%);
}

body > * {
  position: relative;
  z-index: 1;
}

a {
  color: var(--fg-pass);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--fg-signal);
}

.wrap {
  width: min(100% - 2rem, var(--fg-max));
  margin-inline: auto;
}

.site-header {
  border-bottom: 1px solid var(--fg-line);
  background: color-mix(in srgb, var(--fg-paper) 82%, white);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--fg-ink);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand img {
  width: 32px;
  height: 32px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.92rem;
}

.nav-links a {
  color: var(--fg-slate);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--fg-ink);
}

.nav-links a.nav-cta {
  color: var(--fg-pass);
  font-weight: 600;
}

.nav-links a.nav-cta:hover {
  color: var(--fg-signal);
}

.hero {
  padding: 4.25rem 0 3.25rem;
  display: grid;
  gap: 1.15rem;
  justify-items: start;
}

.hero-mark {
  display: block;
  width: 96px;
  height: 96px;
  animation: fg-fade-up 0.55s ease both;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.5rem, 6.5vw, 3.75rem);
  letter-spacing: -0.04em;
  line-height: 1.02;
  animation: fg-fade-up 0.55s ease 0.05s both;
}

.hero .tagline {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--fg-stone);
  max-width: 36rem;
  animation: fg-fade-up 0.55s ease 0.1s both;
}

.hero .lede {
  margin: 0;
  max-width: 40rem;
  color: var(--fg-slate);
  font-size: 1.05rem;
  animation: fg-fade-up 0.55s ease 0.15s both;
}

.version-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.28rem 0.7rem;
  border: 1px solid var(--fg-line);
  background: color-mix(in srgb, var(--fg-white) 88%, var(--fg-pass));
  color: var(--fg-slate);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  animation: fg-fade-up 0.55s ease 0.08s both;
}

.version-pill .ver {
  color: var(--fg-pass);
  font-family: var(--fg-font-mono);
  font-size: 0.8rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.35rem;
  animation: fg-fade-up 0.55s ease 0.2s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--fg-ink);
  border-radius: var(--fg-radius);
  font-weight: 600;
  text-decoration: none;
  color: var(--fg-paper);
  background: var(--fg-ink);
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.btn:hover {
  background: var(--fg-slate);
  border-color: var(--fg-slate);
  color: var(--fg-paper);
  transform: translateY(-1px);
}

.btn.primary {
  background: var(--fg-pass);
  border-color: var(--fg-pass);
  color: white;
}

.btn.primary:hover {
  background: color-mix(in srgb, var(--fg-pass) 88%, black);
  border-color: color-mix(in srgb, var(--fg-pass) 88%, black);
  color: white;
}

.btn.secondary {
  background: transparent;
  color: var(--fg-ink);
}

.btn.secondary:hover {
  background: color-mix(in srgb, var(--fg-ink) 6%, transparent);
  color: var(--fg-ink);
}

.btn.signal {
  background: var(--fg-signal);
  border-color: var(--fg-signal);
  color: white;
}

.btn.signal:hover {
  background: color-mix(in srgb, var(--fg-signal) 88%, black);
  border-color: color-mix(in srgb, var(--fg-signal) 88%, black);
  color: white;
}

.btn.ghost {
  background: transparent;
  border-color: var(--fg-line);
  color: var(--fg-slate);
  font-weight: 500;
  padding: 0.55rem 0.9rem;
  font-size: 0.92rem;
}

.btn.ghost:hover {
  border-color: var(--fg-slate);
  color: var(--fg-ink);
  background: transparent;
  transform: none;
}

.cta-secondary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.15rem;
  animation: fg-fade-up 0.55s ease 0.25s both;
}

.accent-rule {
  width: 72px;
  height: 4px;
  background: var(--fg-signal);
  border-radius: 2px;
  animation: fg-fade-up 0.55s ease 0.12s both;
}

.section {
  padding: 2.5rem 0;
}

.section h2 {
  margin: 0 0 0.5rem;
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}

.section .sub {
  margin: 0 0 1.25rem;
  color: var(--fg-stone);
  max-width: 40rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.feature {
  padding: 1.1rem 1.15rem;
  border: 1px solid var(--fg-line);
  background: color-mix(in srgb, var(--fg-white) 92%, transparent);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.feature:hover {
  border-color: color-mix(in srgb, var(--fg-pass) 35%, var(--fg-line));
  transform: translateY(-2px);
}

.feature h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.feature p {
  margin: 0;
  color: var(--fg-stone);
  font-size: 0.95rem;
}

.install-panel {
  display: grid;
  gap: 1rem;
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--fg-line);
  background: color-mix(in srgb, var(--fg-white) 94%, var(--fg-pass));
}

.install-panel .label {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg-slate);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.install-panel pre {
  margin: 0;
}

.install-panel .hint {
  margin: 0;
  font-size: 0.92rem;
  color: var(--fg-stone);
}

.whats-new {
  display: grid;
  gap: 0.75rem;
  padding: 1.2rem 1.3rem;
  border-left: 3px solid var(--fg-pass);
  background: color-mix(in srgb, var(--fg-white) 90%, transparent);
  border-top: 1px solid var(--fg-line);
  border-right: 1px solid var(--fg-line);
  border-bottom: 1px solid var(--fg-line);
}

.whats-new ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--fg-slate);
}

.whats-new li + li {
  margin-top: 0.35rem;
}

pre,
code {
  font-family: var(--fg-font-mono);
}

pre {
  background: var(--fg-ink);
  color: #e8efec;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  border-radius: var(--fg-radius);
  font-size: 0.86rem;
  line-height: 1.5;
}

code {
  font-size: 0.9em;
}

p code,
li code {
  background: color-mix(in srgb, var(--fg-line) 55%, white);
  padding: 0.1em 0.35em;
  border-radius: 2px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--fg-white);
  font-size: 0.95rem;
}

.table th,
.table td {
  text-align: left;
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid var(--fg-line);
}

.site-footer {
  margin-top: 3rem;
  border-top: 1px solid var(--fg-line);
  padding: 1.5rem 0 2.5rem;
  color: var(--fg-stone);
  font-size: 0.92rem;
}

.site-footer .row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: space-between;
  align-items: center;
}

.site-footer .links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.prose h1 {
  margin-top: 2.5rem;
  letter-spacing: -0.03em;
}

.prose h2 {
  margin-top: 2rem;
}

.prose ul {
  padding-left: 1.2rem;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  animation: fg-fade-up 0.55s ease 0.3s both;
}

.badge-row img {
  height: 20px;
}

@keyframes fg-fade-up {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 2.75rem;
  }

  .hero-mark {
    width: 72px;
    height: 72px;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .cta-secondary .btn {
    width: auto;
  }
}