/* ─── Theme tokens (HSL, matches the Vite landing) ─── */
:root {
  --font-display: "Instrument Serif", serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --background: hsl(201 100% 13%);
  --foreground: hsl(0 0% 100%);
  --muted-foreground: hsl(240 4% 66%);
  --border: hsl(0 0% 18%);
  --primary: hsl(0 0% 100%);
  --primary-foreground: hsl(0 0% 4%);
}

/* ─── Reset ─── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--background);
  color: var(--foreground);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.05;
}

em {
  font-style: normal;
  color: var(--muted-foreground);
}

code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  padding: 0.1em 0.4em;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--foreground);
}

::selection {
  background: rgba(255, 255, 255, 0.18);
  color: var(--foreground);
}

/* ─── Background video ─── */
.bg-video {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  z-index: 0;
  pointer-events: none;
}

.bg-dim {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: rgba(3, 23, 40, 0.35);
  pointer-events: none;
}

/* ─── Page wrapper ─── */
.page {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ─── Navbar ─── */
.nav {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  gap: 1rem;
}

.wordmark {
  font-family: var(--font-display);
  font-size: 1.875rem;
  letter-spacing: -0.02em;
  color: var(--foreground);
  white-space: nowrap;
}
.wordmark sup {
  font-size: 0.55em;
  vertical-align: super;
  margin-left: 0.1em;
}

.nav-links {
  display: none;
  gap: 2rem;
  align-items: center;
}
@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-links a {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  transition: color 0.2s ease-out;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--foreground);
}

/* ─── Auth pills (Hey / Hello on the navbar right side) ─── */
.auth-pills {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.auth-pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  line-height: 1;
  color: var(--muted-foreground);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: color 0.18s ease-out, border-color 0.18s ease-out, background 0.18s ease-out;
}

.auth-pill:hover {
  color: var(--foreground);
  border-color: rgba(255, 255, 255, 0.2);
}

.auth-pill-primary {
  color: var(--foreground);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.auth-pill-primary:hover {
  background: rgba(255, 255, 255, 0.14);
}

.auth-pill::after {
  content: attr(data-tooltip);
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 0.5rem;
  padding: 0.25rem 0.625rem;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.4rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease-out;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.auth-pill:hover::after,
.auth-pill:focus-visible::after {
  opacity: 1;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-weight: 500;
  color: var(--foreground);
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
}
.btn-md {
  padding: 0.625rem 1.5rem;
  font-size: 0.875rem;
  border-radius: 9999px;
}
.btn-lg {
  padding: 1.25rem 3.5rem;
  font-size: 1rem;
  border-radius: 9999px;
}
.btn:hover {
  transform: scale(1.03);
}

/* ─── Liquid Glass ─── */
.liquid-glass,
.btn-glass {
  /* Heavier blur + slightly darker tint so white text stays readable
     over the cinematic background video and the hero starfield. */
  background: rgba(7, 25, 42, 0.45);
  background-blend-mode: luminosity;
  backdrop-filter: blur(18px) saturate(120%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  border: none;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}
.btn-glass {
  /* Buttons are smaller; less aggressive tint reads better. */
  background: rgba(7, 25, 42, 0.28);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.liquid-glass::before,
.btn-glass::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.4px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.45) 0%,
    rgba(255, 255, 255, 0.15) 20%,
    rgba(255, 255, 255, 0) 40%,
    rgba(255, 255, 255, 0) 60%,
    rgba(255, 255, 255, 0.15) 80%,
    rgba(255, 255, 255, 0.45) 100%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ─── Hero ─── */
.hero {
  text-align: center;
  padding: 6rem 1.5rem 8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.75rem, 8vw, 8rem);
  line-height: 0.95;
  letter-spacing: -0.037em;
  max-width: 1280px;
  margin: 0 auto;
}

.hero-sub {
  color: var(--muted-foreground);
  font-size: 1rem;
  line-height: 1.65;
  max-width: 42rem;
  margin: 2rem auto 0;
}
@media (min-width: 640px) {
  .hero-sub {
    font-size: 1.125rem;
  }
}

.hero .btn-lg {
  margin-top: 3rem;
}

.oss-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1rem;
  margin-bottom: 2rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--muted-foreground);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  transition: color 0.2s ease-out, border-color 0.2s ease-out;
}
.oss-chip:hover {
  color: var(--foreground);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ─── Shared section bits ─── */
.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  text-align: center;
  margin-bottom: 2rem;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.05;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 1.5rem;
}

.section-sub {
  color: var(--muted-foreground);
  font-size: 1rem;
  line-height: 1.65;
  max-width: 42rem;
  margin: 0 auto 3rem;
  text-align: center;
}

.grid-3 {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.grid-2 {
  max-width: 1040px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.card {
  padding: 1.75rem;
  border-radius: 1rem;
  display: flex;
  flex-direction: column;
}

.card-link {
  cursor: pointer;
}

.card-tag {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
}
.card-tag .arrow {
  font-size: 0.95rem;
  transition: transform 0.18s ease-out;
}
.card-link:hover .card-tag .arrow {
  transform: translate(2px, -2px);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.15;
  margin-bottom: 0.75rem;
  color: var(--foreground);
}

.card-body {
  color: var(--muted-foreground);
  font-size: 0.9rem;
  line-height: 1.6;
  flex: 1;
  margin-bottom: 1.5rem;
}

.card-cta {
  align-self: flex-start;
  pointer-events: none;
}

/* ─── Features ─── */
.features {
  padding: 4rem 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
}

/* ─── Download ─── */
.download {
  padding: 4rem 1.5rem 6rem;
  max-width: 1280px;
  margin: 0 auto;
}

/* ─── Fork & Own ─── */
.fork {
  padding: 4rem 1.5rem 6rem;
  max-width: 1040px;
  margin: 0 auto;
}

.steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.step {
  padding: 1.75rem;
  border-radius: 1rem;
}

.step-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.step-num {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--foreground);
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  color: var(--foreground);
}

.step-body {
  color: var(--muted-foreground);
  font-size: 0.925rem;
  line-height: 1.65;
}
.step-body p {
  margin-bottom: 0.75rem;
}
.step-body p:last-child {
  margin-bottom: 0;
}
.step-body a {
  color: var(--foreground);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.25);
}
.step-body a:hover {
  text-decoration-color: var(--foreground);
}

.bullets {
  list-style: disc;
  padding-left: 1.25rem;
  margin-bottom: 0.75rem;
}
.bullets li {
  margin-bottom: 0.35rem;
}

.snippet {
  position: relative;
  margin: 0.75rem 0;
}

.snippet pre {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0.6rem;
  padding: 1rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--foreground);
  overflow-x: auto;
  white-space: pre;
}

.snippet pre code {
  background: transparent;
  padding: 0;
  font-size: inherit;
}

.copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font: 500 0.7rem var(--font-body);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.3rem;
  padding: 0.3rem 0.6rem;
  cursor: pointer;
  transition: color 0.2s ease-out, background 0.2s ease-out;
}
.copy-btn:hover {
  color: var(--foreground);
  background: rgba(255, 255, 255, 0.1);
}
.copy-btn.copied {
  color: var(--foreground);
}

.hint {
  font-size: 0.85rem;
  color: var(--muted-foreground);
  margin-top: 0.5rem;
}

/* ─── Download — per-OS picker ─── */
.download-card {
  cursor: default;
}

.download-version {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted-foreground);
  margin-left: 0.5rem;
  opacity: 0.7;
}

.download-others {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
  min-height: 1.5rem;
}

.download-other-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.6rem;
  font-size: 0.7rem;
  color: var(--muted-foreground);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.4rem;
  transition: color 0.18s ease-out, border-color 0.18s ease-out;
}
.download-other-pill:hover {
  color: var(--foreground);
  border-color: rgba(255, 255, 255, 0.22);
}
.download-other-pill .size {
  opacity: 0.55;
}

.download-meta {
  margin-top: 1.25rem;
  font-size: 0.7rem;
  color: var(--muted-foreground);
}
.download-meta a {
  color: var(--muted-foreground);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  transition: color 0.18s ease-out, border-color 0.18s ease-out;
}
.download-meta a:hover {
  color: var(--foreground);
  border-color: var(--foreground);
}
.download-meta .dot {
  margin: 0 0.5rem;
  opacity: 0.4;
}

.download-loading {
  font-size: 0.78rem;
  color: var(--muted-foreground);
  font-style: italic;
}

/* ─── Footer ─── */
.footer {
  /* Wraps the footer in its own readable surface — the page-bottom area
     can fall over the bright background video, washing gray text out.
     Dark navy tint + blur gives consistent contrast at any scroll depth. */
  position: relative;
  text-align: center;
  padding: 2.5rem 1.5rem 3rem;
  margin-top: 4rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.85);
  background: linear-gradient(
    to bottom,
    rgba(7, 25, 42, 0) 0%,
    rgba(7, 25, 42, 0.85) 25%,
    rgba(7, 25, 42, 0.95) 100%
  );
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
}
.footer a {
  color: rgba(255, 255, 255, 0.9);
  transition: color 0.18s ease-out;
}
.footer a:hover {
  color: var(--foreground);
}
.footer .dot {
  margin: 0 0.65rem;
  opacity: 0.5;
}
.footer .footer-meta {
  display: inline-block;
  margin-top: 0.85rem;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.75);
}
.footer .footer-meta a {
  color: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  transition: color 0.18s ease-out, border-color 0.18s ease-out;
}
.footer .footer-meta a:hover {
  color: var(--foreground);
  border-color: var(--foreground);
}

/* ─── Article / docs / blog pages ─── */
.article {
  max-width: 760px;
  margin: 0 auto;
  padding: 4rem 1.5rem 5rem;
}

.crumb {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
}
.crumb a {
  color: inherit;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  transition: color 0.2s ease-out, border-color 0.2s ease-out;
}
.crumb a:hover {
  color: var(--foreground);
  border-color: var(--foreground);
}
.crumb .sep {
  margin: 0 0.5rem;
  opacity: 0.5;
}

.article h1 {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}

.article-meta {
  color: var(--muted-foreground);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  margin-bottom: 3rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}
.article-meta .pill {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.7rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.prose {
  color: var(--foreground);
  font-size: 1.0125rem;
  line-height: 1.7;
}

.prose > * + * {
  margin-top: 1.15rem;
}

.prose h2 {
  font-family: var(--font-display);
  font-size: 1.85rem;
  letter-spacing: -0.015em;
  margin-top: 3rem;
  margin-bottom: 0.5rem;
  color: var(--foreground);
}

.prose h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-top: 2.25rem;
  margin-bottom: 0.25rem;
  color: var(--foreground);
}

.prose h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  margin-top: 2rem;
  margin-bottom: 0.25rem;
}

.prose p {
  color: rgba(255, 255, 255, 0.85);
}

.prose p strong {
  color: var(--foreground);
}

.prose ul,
.prose ol {
  padding-left: 1.4rem;
  color: rgba(255, 255, 255, 0.85);
}
.prose ul li,
.prose ol li {
  margin-bottom: 0.45rem;
  line-height: 1.65;
}
.prose ul {
  list-style: disc;
}

.prose a {
  color: var(--foreground);
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
  transition: border-color 0.18s ease-out;
}
.prose a:hover {
  border-color: var(--foreground);
}

.prose blockquote {
  border-left: 2px solid rgba(255, 255, 255, 0.25);
  padding: 0.25rem 1rem;
  color: var(--muted-foreground);
  font-style: italic;
}

.prose .snippet {
  margin: 1.5rem 0;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 1.5rem 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0.5rem;
  overflow: hidden;
}
.prose th,
.prose td {
  text-align: left;
  padding: 0.7rem 0.95rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.prose th {
  font-weight: 600;
  background: rgba(255, 255, 255, 0.04);
  letter-spacing: 0.02em;
}
.prose tr:last-child td {
  border-bottom: none;
}

.callout {
  margin: 1.75rem 0;
  padding: 1.1rem 1.25rem;
  border-radius: 0.7rem;
}
.callout strong {
  color: var(--foreground);
}

.callout-note {
  background: rgba(70, 135, 255, 0.08);
  border: 1px solid rgba(120, 170, 255, 0.18);
}
.callout-warn {
  background: rgba(255, 180, 90, 0.08);
  border: 1px solid rgba(255, 190, 110, 0.2);
}

.toc {
  margin: 2rem 0 3rem;
  padding: 1rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0.7rem;
  background: rgba(255, 255, 255, 0.02);
}
.toc h4 {
  margin-top: 0;
}
.toc ul {
  list-style: none;
  padding-left: 0;
  margin-top: 0.5rem;
}
.toc li {
  margin-bottom: 0.3rem;
}
.toc a {
  border: none;
  color: var(--muted-foreground);
}
.toc a:hover {
  color: var(--foreground);
}

.post-card {
  display: block;
  padding: 1.75rem;
  border-radius: 1rem;
  text-decoration: none;
}
.post-card:hover .post-card-title {
  color: var(--foreground);
}
.post-card-meta {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  margin-bottom: 0.85rem;
}
.post-card-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1.2;
  color: var(--foreground);
  margin-bottom: 0.65rem;
  transition: color 0.18s ease-out;
}
.post-card-excerpt {
  color: var(--muted-foreground);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ─── Animations ─── */
@keyframes fade-rise {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.fade-rise {
  animation: fade-rise 0.8s ease-out both;
}
.fade-rise-1 {
  animation: fade-rise 0.8s ease-out 0.2s both;
}
.fade-rise-2 {
  animation: fade-rise 0.8s ease-out 0.4s both;
}
.fade-rise-3 {
  animation: fade-rise 0.8s ease-out 0.6s both;
}