/* Mood: ember in the machine room — warm flame against charcoal night */
:root {
  --bg: oklch(0.09 0 0);
  --surface: oklch(0.14 0.01 55);
  --ink: oklch(0.96 0.01 80);
  --muted: oklch(0.72 0.02 70);
  --primary: oklch(0.72 0.18 45);
  --primary-deep: oklch(0.55 0.16 40);
  --accent: oklch(0.78 0.06 230);
  --line: oklch(0.28 0.02 55);
  --font-display: "Instrument Serif", Georgia, serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --max: 68rem;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
  color: oklch(0.88 0.08 55);
  background: oklch(0.16 0.02 55);
  padding: 0.1em 0.35em;
  border-radius: 0.25rem;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--primary);
  color: var(--bg);
  font-weight: 600;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* Top bar */
.top {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: color-mix(in oklch, var(--bg) 82%, transparent);
  border-bottom: 1px solid color-mix(in oklch, var(--line) 55%, transparent);
}

.top__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand-mark img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.top__nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

/* Language switcher — same visual weight as .btn--small */
.lang {
  position: relative;
  z-index: 40;
  flex: 0 0 auto;
}

.lang__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin: 0;
  padding: 0.45rem 0.75rem;
  min-width: 3.4rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: oklch(0.18 0.02 55);
  color: var(--ink);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.lang__btn:hover {
  background: oklch(0.22 0.03 50);
}

.lang__btn:focus {
  outline: none;
}

.lang__btn:focus-visible {
  outline: 2px solid color-mix(in oklch, var(--primary) 55%, transparent);
  outline-offset: 2px;
}

.lang.is-open .lang__btn {
  border-color: color-mix(in oklch, var(--primary) 40%, var(--line));
  background: oklch(0.22 0.03 50);
}

.lang__caret {
  width: 0.4rem;
  height: 0.4rem;
  border-right: 1.5px solid var(--muted);
  border-bottom: 1.5px solid var(--muted);
  transform: rotate(45deg) translateY(-1px);
  transition: transform 0.2s var(--ease);
}

.lang.is-open .lang__caret {
  transform: rotate(225deg) translateY(-1px);
  border-color: var(--primary);
}

.lang__menu {
  position: absolute;
  top: calc(100% + 0.35rem);
  right: 0;
  z-index: 50;
  margin: 0;
  padding: 0.3rem;
  list-style: none;
  min-width: 10.5rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: oklch(0.12 0.015 55);
  box-shadow: 0 12px 32px -12px oklch(0 0 0 / 0.7);
}

.lang__menu[hidden] {
  display: none !important;
}

.lang__menu li {
  margin: 0;
  padding: 0;
}

.lang__item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.65rem;
  border-radius: 0.4rem;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.lang__item b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.6rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.lang__item:hover,
.lang__item.is-active {
  background: oklch(0.18 0.025 50);
}

.lang__item.is-active b {
  color: var(--primary);
}

.lang__item:hover b {
  color: var(--ink);
}

.footer__langs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0;
}

.footer__langs a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer__langs a:hover,
.footer__langs a[aria-current="true"] {
  color: var(--accent);
}

.top__nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.25s var(--ease);
}

.top__nav a:hover {
  color: var(--ink);
}

@media (max-width: 640px) {
  .top__nav > a:not(.btn) {
    display: none;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.4rem;
  border-radius: 0.5rem;
  font-family: inherit;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.btn--small {
  padding: 0.45rem 0.9rem;
  font-size: 0.9rem;
  background: oklch(0.18 0.02 55);
  color: var(--ink);
  border-color: var(--line);
}

.btn--small:hover {
  background: oklch(0.22 0.03 50);
}

.btn--primary {
  background: linear-gradient(165deg, var(--primary), var(--primary-deep));
  color: oklch(0.12 0.02 40);
  box-shadow: 0 0 0 1px color-mix(in oklch, var(--primary) 40%, transparent),
    0 12px 40px -12px oklch(0.45 0.18 45 / 0.55);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px color-mix(in oklch, var(--primary) 55%, transparent),
    0 18px 48px -10px oklch(0.5 0.2 45 / 0.65);
}

.btn--primary:active {
  transform: translateY(0);
}

/* Hero — one composition */
.hero {
  position: relative;
  isolation: isolate;
  min-height: min(92vh, 52rem);
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero__glow {
  position: absolute;
  inset: -20% -10% auto;
  height: 70%;
  background:
    radial-gradient(ellipse 55% 70% at 50% 0%, oklch(0.55 0.2 45 / 0.45), transparent 70%),
    radial-gradient(ellipse 40% 50% at 70% 30%, oklch(0.4 0.08 230 / 0.15), transparent 65%);
  pointer-events: none;
  z-index: -1;
  animation: glow-breathe 8s var(--ease) infinite alternate;
}

@keyframes glow-breathe {
  from {
    opacity: 0.85;
    transform: scale(1);
  }
  to {
    opacity: 1;
    transform: scale(1.04);
  }
}

.hero__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 5rem 1.5rem 4.5rem;
  width: 100%;
}

.hero__eyebrow {
  margin: 0 0 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  animation: rise 0.7s var(--ease) both;
}

.hero__brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(3rem, 9vw, 5.5rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-wrap: balance;
  color: var(--ink);
  animation: rise 0.8s var(--ease) 0.08s both;
}

.hero__tagline {
  margin: 1rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-style: italic;
  font-weight: 400;
  color: var(--primary);
  animation: rise 0.8s var(--ease) 0.14s both;
}

.hero__lead {
  margin: 1.5rem 0 0;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.1rem;
  animation: rise 0.8s var(--ease) 0.2s both;
}

.hero__cta {
  margin-top: 2.25rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.85rem;
  animation: rise 0.8s var(--ease) 0.28s both;
}

.hero__meta {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(1rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Sections */
.section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--line);
}

.section__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section__inner--narrow {
  max-width: 36rem;
  text-align: center;
}

.section__inner--narrow .section__lead {
  margin-left: auto;
  margin-right: auto;
}

.section__inner--narrow .btn {
  margin-top: 0.5rem;
}

.section__inner--narrow .hero__meta {
  margin-top: 1rem;
}

.section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  text-wrap: balance;
  line-height: 1.15;
}

.section__lead {
  margin: 1rem 0 0;
  max-width: 40rem;
  color: var(--muted);
  font-size: 1.1rem;
}

.section--features {
  background:
    linear-gradient(180deg, oklch(0.11 0.01 55), var(--bg) 40%);
}

.feature-list {
  list-style: none;
  margin: 2.75rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem 2.5rem;
}

.feature-list li {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.feature-list strong {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.feature-list span {
  color: var(--muted);
  font-size: 0.98rem;
}

.steps {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  counter-reset: none;
}

.steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.15rem;
  align-items: start;
}

.steps__n {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  color: oklch(0.15 0.02 40);
  background: linear-gradient(165deg, var(--primary), var(--primary-deep));
}

.steps strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.steps p {
  margin: 0;
  color: var(--muted);
}

.section--cta {
  background:
    radial-gradient(ellipse 60% 80% at 50% 100%, oklch(0.4 0.14 45 / 0.25), transparent 70%),
    var(--bg);
  text-align: center;
}

/* Footer */
.footer {
  padding: 2.5rem 0 3rem;
}

.footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: baseline;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer__brand {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
}

.footer__copy,
.footer__ver,
.footer__links {
  margin: 0;
}

.footer__links {
  display: flex;
  gap: 1rem;
}

.footer__links a,
.inline-link {
  color: var(--accent);
  text-decoration: none;
}

.footer__links a:hover,
.inline-link:hover {
  text-decoration: underline;
}

.footer__ver {
  margin-left: auto;
}

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

/* Releases page */
.page-hero {
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse 50% 60% at 30% 0%, oklch(0.45 0.16 45 / 0.28), transparent 70%);
}

.page-hero__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 4rem 1.5rem 3rem;
}

.page-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-wrap: balance;
}

.page-hero__lead {
  margin: 1rem 0 0;
  max-width: 40rem;
  color: var(--muted);
  font-size: 1.1rem;
}

.page-hero .hero__cta {
  margin-top: 1.75rem;
}

.page-hero .hero__meta {
  margin-top: 1rem;
}

.page-hero .hero__meta strong {
  color: var(--ink);
}

.release-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.release {
  display: grid;
  grid-template-columns: minmax(10rem, 14rem) 1fr;
  gap: 1.5rem 2rem;
  padding: 1.75rem 0;
  border-top: 1px solid var(--line);
}

.release:last-child {
  border-bottom: 1px solid var(--line);
}

.release--latest {
  background: linear-gradient(90deg, oklch(0.18 0.04 45 / 0.35), transparent 55%);
  margin: 0 -1.5rem;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  border-radius: 0.5rem;
}

.release__version {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.release__version a {
  color: var(--ink);
  text-decoration: none;
}

.release__version a:hover {
  color: var(--primary);
}

.release__badge {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  color: oklch(0.15 0.02 40);
  background: linear-gradient(165deg, var(--primary), var(--primary-deep));
}

.release__date,
.release__channel {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.release__channel {
  text-transform: capitalize;
}

.release__notes {
  margin: 0 0 1rem;
  color: var(--muted);
  max-width: 42rem;
}

.release__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
}

.release__sha {
  font-size: 0.8rem;
  color: var(--muted);
  background: transparent;
  padding: 0;
}

.release__size {
  font-size: 0.9rem;
  color: var(--muted);
}

.top__nav a[aria-current="page"] {
  color: var(--ink);
}

@media (max-width: 720px) {
  .release {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
}

@media (max-width: 640px) {
  .footer__ver {
    margin-left: 0;
    width: 100%;
  }
}