/* Toolvyn — industrial editorial dark system.
   Type pairing is deliberate: Segoe UI Variable (Windows' own display face)
   with Cascadia Mono (Microsoft's developer mono) for technical labels, so a
   Windows-native product reads as native on the web too. */

:root {
  color-scheme: dark;

  --ink: #07070b;
  --ink-raised: #0d0d13;
  --ink-card: #12121a;
  --ink-inset: #16161f;

  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);

  --text: #ececf3;
  --text-dim: #a3a3b4;
  --text-faint: #6b6b7c;

  --accent: #7c6cf5;
  --accent-bright: #9d90ff;
  --accent-glow: rgba(124, 108, 245, 0.35);
  --signal: #4ade9b;

  --display: "Segoe UI Variable Display", "Segoe UI", Inter, system-ui, -apple-system, sans-serif;
  --body: "Segoe UI Variable Text", "Segoe UI", Inter, system-ui, -apple-system, sans-serif;
  --mono: "Cascadia Mono", Consolas, ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;

  --text-hero: clamp(2.9rem, 1.2rem + 6.4vw, 6.6rem);
  --text-section: clamp(2rem, 1.1rem + 3.2vw, 3.9rem);
  --text-lede: clamp(1.05rem, 0.98rem + 0.42vw, 1.32rem);

  --shell: min(1280px, 100% - 3rem);
  --space-section: clamp(5rem, 3rem + 7vw, 10rem);

  --radius: 14px;
  --radius-lg: 22px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --fast: 160ms;
  --normal: 420ms;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Atmosphere: a single violet field behind the fold plus fine grain, so the
   page never reads as flat black. */
body::before {
  content: "";
  position: fixed;
  inset: -20% -10% auto -10%;
  height: 90vh;
  background:
    radial-gradient(58% 52% at 22% 0%, rgba(124, 108, 245, 0.22), transparent 70%),
    radial-gradient(42% 46% at 88% 12%, rgba(74, 222, 155, 0.08), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.035;
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: 1;
}

/* A class-level `display` beats the user-agent rule for [hidden], which would
   otherwise leave filtered-out cards on screen. */
[hidden] {
  display: none !important;
}

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

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

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.03;
  margin: 0;
  text-wrap: balance;
}

p {
  margin: 0;
  text-wrap: pretty;
}

::selection {
  background: var(--accent);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 3px;
  border-radius: 4px;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
  position: relative;
  z-index: 2;
}

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

.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  top: -4rem;
  z-index: 100;
  background: var(--accent);
  color: #fff;
  padding: 0.7rem 1.1rem;
  border-radius: 8px;
  transition: top var(--fast) var(--ease);
}

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

/* ---------- shared type utilities ---------- */

.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.lede {
  font-size: var(--text-lede);
  color: var(--text-dim);
  line-height: 1.55;
  max-width: 54ch;
}

.accent {
  color: var(--accent-bright);
}

/* ---------- buttons ---------- */

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.5rem;
  border-radius: 10px;
  border: 1px solid transparent;
  font-family: var(--body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--fast) var(--ease), background var(--fast) var(--ease),
    border-color var(--fast) var(--ease), box-shadow var(--fast) var(--ease);
}

.button-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 34px -14px var(--accent-glow);
}

.button-primary:hover {
  background: var(--accent-bright);
  transform: translateY(-2px);
  box-shadow: 0 18px 42px -14px var(--accent-glow);
}

.button-ghost {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line-strong);
  color: var(--text);
}

.button-ghost:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.28);
  transform: translateY(-2px);
}

.button-small {
  padding: 0.55rem 1.05rem;
  font-size: 0.86rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease), gap var(--fast) var(--ease);
}

.text-link:hover {
  color: var(--accent-bright);
  border-color: var(--accent-bright);
  gap: 0.75rem;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background var(--normal) var(--ease), border-color var(--normal) var(--ease),
    backdrop-filter var(--normal) var(--ease);
}

.site-header.is-stuck {
  background: rgba(7, 7, 11, 0.82);
  backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: -0.02em;
}

.brand img {
  width: 26px;
  height: 26px;
  border-radius: 7px;
}

.brand-tag {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  color: var(--accent-bright);
  border: 1px solid rgba(124, 108, 245, 0.4);
  border-radius: 4px;
  padding: 2px 5px;
  margin-left: 0.15rem;
}

.header-nav {
  display: flex;
  gap: 1.75rem;
  margin-inline-start: auto;
  font-size: 0.92rem;
  color: var(--text-dim);
}

.header-nav a {
  position: relative;
  padding: 0.3rem 0;
  transition: color var(--fast) var(--ease);
}

.header-nav a::after {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: var(--accent-bright);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--normal) var(--ease);
}

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

.header-nav a:hover::after,
.header-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--fast) var(--ease), opacity var(--fast) var(--ease);
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.5rem 0 1.25rem;
  border-top: 1px solid var(--line);
}

.mobile-nav a {
  padding: 0.75rem 0.25rem;
  font-size: 1.05rem;
  border-bottom: 1px solid var(--line);
  color: var(--text-dim);
}

.mobile-nav.is-open {
  display: flex;
}

/* ---------- hero ---------- */

.hero {
  padding-top: clamp(3.5rem, 2rem + 6vw, 7rem);
  padding-bottom: clamp(3rem, 2rem + 4vw, 6rem);
}

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 0.85rem 0.4rem 0.6rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
  margin-bottom: 1.75rem;
}

.hero-status .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(74, 222, 155, 0.14);
}

.hero-status span:last-child {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.19em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.hero h1 {
  font-size: var(--text-hero);
  max-width: 16ch;
  margin-bottom: 1.6rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent-bright);
}

.hero-lower {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: end;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-top: 2rem;
}

.hero-meta {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding-inline-start: 1.25rem;
  border-inline-start: 1px solid var(--line);
}

.hero-meta div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  padding: 0.3rem 0;
}

.hero-meta div b {
  color: var(--text);
  font-weight: 600;
}

/* The hero screenshot deliberately runs wider than the text column. */
.hero-stage {
  width: min(1480px, 100% - 1.5rem);
  margin: clamp(3rem, 2rem + 4vw, 5.5rem) auto 0;
  position: relative;
  z-index: 2;
}

.hero-stage::before {
  content: "";
  position: absolute;
  inset: 12% 6% -8%;
  background: radial-gradient(50% 50% at 50% 50%, var(--accent-glow), transparent 72%);
  filter: blur(60px);
  z-index: -1;
}

/* ---------- app window frame ---------- */

.frame {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--ink-raised);
  overflow: hidden;
  box-shadow: 0 40px 90px -40px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(0, 0, 0, 0.5);
}

.frame-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.frame-bar i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
}

.frame-bar span {
  margin-left: 0.5rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.frame img {
  width: 100%;
}

.frame-note {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: rgba(13, 13, 19, 0.92);
  backdrop-filter: blur(10px);
  font-size: 0.82rem;
  font-weight: 600;
  box-shadow: 0 18px 40px -20px rgba(0, 0, 0, 0.9);
}

.frame-note .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
}

/* Kept inside the frame: the stage already runs to the viewport edge, so a
   negative offset would be clipped by the page's overflow guard. */
.frame-note-a {
  inset-inline-start: 22px;
  bottom: 22px;
}

.frame-note-b {
  inset-inline-end: 22px;
  bottom: 22px;
}

/* ---------- format ticker ---------- */

.ticker {
  margin-top: clamp(3rem, 2rem + 3vw, 5rem);
  border-block: 1px solid var(--line);
  padding: 1rem 0;
  overflow: hidden;
  position: relative;
  z-index: 2;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.ticker-track {
  display: flex;
  gap: 2.5rem;
  width: max-content;
  animation: ticker 46s linear infinite;
}

.ticker span {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  color: var(--text-faint);
  white-space: nowrap;
}

.ticker span.on {
  color: var(--accent-bright);
}

@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

/* ---------- section scaffolding ---------- */

.section {
  padding-block: var(--space-section);
  position: relative;
  z-index: 2;
  scroll-margin-top: 84px;
}

.section + .section {
  border-top: 1px solid var(--line);
}

.section-head {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 3rem);
  align-items: start;
  margin-bottom: clamp(2.5rem, 2rem + 3vw, 4.5rem);
}

.section-index {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--text-faint);
  padding-top: 0.75rem;
  border-top: 1px solid var(--line-strong);
}

.section-head h2 {
  font-size: var(--text-section);
  max-width: 20ch;
  margin-bottom: 1.1rem;
}

/* ---------- steps ---------- */

.steps {
  display: flex;
  flex-direction: column;
  gap: clamp(3rem, 2rem + 4vw, 6rem);
}

.step {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(1.75rem, 4vw, 4.5rem);
  align-items: center;
}

.step:nth-child(even) .step-copy {
  order: 2;
}

.step-number {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--accent-bright);
  margin-bottom: 1rem;
  display: block;
}

.step h3 {
  font-size: clamp(1.5rem, 1.1rem + 1.2vw, 2.15rem);
  margin-bottom: 0.9rem;
}

.step p {
  color: var(--text-dim);
  max-width: 46ch;
}

.step-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.step-list li {
  display: flex;
  gap: 0.7rem;
  align-items: baseline;
  font-size: 0.92rem;
  color: var(--text-dim);
}

.step-list li::before {
  content: "";
  width: 5px;
  height: 5px;
  flex: none;
  border-radius: 50%;
  background: var(--accent);
  transform: translateY(-2px);
}

.step-visual {
  position: relative;
}

/* ---------- capability showcase ---------- */

.showcase {
  display: grid;
  grid-template-columns: 17rem minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: start;
}

.showcase-tabs {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.showcase-tab {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  width: 100%;
  text-align: left;
  padding: 1rem 0.9rem;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-inline-start: 2px solid transparent;
  color: var(--text-dim);
  font-family: var(--body);
  font-size: 1.02rem;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--fast) var(--ease), background var(--fast) var(--ease),
    border-color var(--fast) var(--ease), padding-left var(--fast) var(--ease);
}

.showcase-tab:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  padding-inline-start: 1.15rem;
}

.showcase-tab[aria-selected="true"] {
  color: var(--text);
  border-inline-start-color: var(--accent);
  background: linear-gradient(90deg, rgba(124, 108, 245, 0.14), transparent);
}

.showcase-tab em {
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  margin-inline-start: auto;
}

.showcase-tab[aria-selected="true"] em {
  color: var(--accent-bright);
}

.showcase-panel {
  display: grid;
  gap: 1.75rem;
}

.showcase-panel[hidden] {
  display: none;
}

/* Name the area first, show the evidence second. The frames hold no focusable
   elements, so visual order and tab order stay in agreement. */
.showcase-copy {
  order: 1;
}

.showcase-panel .frame {
  order: 2;
}

.showcase-copy h3 {
  font-size: clamp(1.4rem, 1.1rem + 1vw, 1.95rem);
  margin-bottom: 0.75rem;
}

.showcase-copy p {
  color: var(--text-dim);
  max-width: 60ch;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.4rem;
}

.chip {
  font-size: 0.82rem;
  color: var(--text-dim);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.34rem 0.8rem;
  background: rgba(255, 255, 255, 0.02);
}

.chip-more {
  border-color: rgba(124, 108, 245, 0.4);
  color: var(--accent-bright);
}

/* ---------- bento ---------- */

.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

.tile {
  grid-column: span 2;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--ink-card), var(--ink-raised));
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: border-color var(--normal) var(--ease), transform var(--normal) var(--ease);
}

.tile:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.tile-wide {
  grid-column: span 3;
}

.tile-big {
  grid-column: span 4;
}

.tile h3 {
  font-size: 1.18rem;
  letter-spacing: -0.02em;
}

.tile p {
  font-size: 0.93rem;
  color: var(--text-dim);
}

.tile-stat {
  font-family: var(--display);
  font-size: clamp(2.4rem, 1.6rem + 2.4vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1;
  color: var(--accent-bright);
}

/* ---------- engines ---------- */

.engines {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.engine {
  padding: 1.5rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.012);
}

.engine b {
  display: block;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--text);
  margin-bottom: 0.45rem;
}

.engine span {
  font-size: 0.87rem;
  color: var(--text-dim);
  display: block;
}

.engine i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--accent-bright);
  display: block;
  margin-top: 0.6rem;
}

/* ---------- languages ---------- */

.languages {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.5rem;
  max-width: 62rem;
}

.languages span {
  font-family: var(--display);
  font-size: clamp(1.05rem, 0.9rem + 0.7vw, 1.6rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-faint);
  padding: 0.2rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.languages span:hover {
  color: var(--text);
  border-color: var(--line-strong);
}

/* ---------- download ---------- */

.download {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(90% 130% at 8% 0%, rgba(124, 108, 245, 0.16), transparent 62%),
    var(--ink-raised);
  padding: clamp(2rem, 1.5rem + 3vw, 4rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}

.download h2 {
  font-size: clamp(1.9rem, 1.3rem + 2.4vw, 3.2rem);
  margin-bottom: 1rem;
}

.spec {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}

.spec div {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
}

.spec dt,
.spec span:first-child {
  color: var(--text-faint);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.spec span:last-child {
  color: var(--text);
  text-align: end;
  font-weight: 600;
  word-break: break-word;
}

/* ---------- faq ---------- */

.faq {
  border-top: 1px solid var(--line);
  max-width: 62rem;
}

.faq details {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  list-style: none;
  cursor: pointer;
  padding-block: 1.35rem;
  padding-inline: 0 2.5rem;
  font-family: var(--display);
  font-size: clamp(1.05rem, 0.95rem + 0.4vw, 1.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  position: relative;
  transition: color var(--fast) var(--ease);
}

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

.faq summary::after {
  content: "+";
  position: absolute;
  inset-inline-end: 0.25rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 1.2rem;
  color: var(--text-faint);
  transition: transform var(--normal) var(--ease), color var(--fast) var(--ease);
}

.faq details[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
  color: var(--accent-bright);
}

.faq summary:hover {
  color: var(--accent-bright);
}

.faq p {
  color: var(--text-dim);
  padding-bottom: 1.4rem;
  max-width: 68ch;
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 3.5rem 2.5rem;
  position: relative;
  z-index: 2;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-grid h4 {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 1rem;
  font-weight: 500;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.92rem;
  color: var(--text-dim);
}

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

.footer-base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.83rem;
  color: var(--text-faint);
}

/* ---------- tools page ---------- */

.tools-hero {
  padding-top: clamp(3rem, 2rem + 4vw, 5.5rem);
  padding-bottom: clamp(2rem, 1.5rem + 2vw, 3rem);
}

.tools-hero h1 {
  font-size: clamp(2.4rem, 1.4rem + 4.4vw, 5rem);
  max-width: 18ch;
  margin-bottom: 1.4rem;
}

.tools-controls {
  position: sticky;
  top: 68px;
  z-index: 20;
  background: rgba(7, 7, 11, 0.9);
  backdrop-filter: blur(16px);
  border-block: 1px solid var(--line);
  padding-block: 1rem;
  margin-bottom: 2.5rem;
}

.search-field {
  position: relative;
  margin-bottom: 1rem;
}

.search-field input {
  width: 100%;
  padding-block: 0.9rem;
  padding-inline: 2.75rem 1rem;
  background: var(--ink-card);
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  color: var(--text);
  font-family: var(--body);
  font-size: 1rem;
  transition: border-color var(--fast) var(--ease), background var(--fast) var(--ease);
}

.search-field input::placeholder {
  color: var(--text-faint);
}

.search-field input:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--ink-inset);
}

.search-field svg {
  position: absolute;
  inset-inline-start: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 17px;
  height: 17px;
  color: var(--text-faint);
  pointer-events: none;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.filter {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.46rem 0.9rem;
  cursor: pointer;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease),
    background var(--fast) var(--ease);
}

.filter:hover {
  color: var(--text);
  border-color: var(--line-strong);
}

.filter[aria-pressed="true"] {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.result-count {
  margin-inline-start: auto;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 290px), 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.tool-card {
  background: var(--ink);
  padding: 1.5rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-height: 172px;
  transition: background var(--fast) var(--ease);
}

.tool-card:hover {
  background: var(--ink-card);
}

.tool-card-top {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.tool-card h3 {
  font-size: 1.06rem;
  letter-spacing: -0.02em;
}

.tool-card p {
  font-size: 0.9rem;
  color: var(--text-dim);
  flex: 1;
}

.tool-card footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.badge-popular {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-bright);
  border: 1px solid rgba(124, 108, 245, 0.4);
  border-radius: 4px;
  padding: 2px 5px;
}

.empty-state {
  padding: 4rem 1rem;
  text-align: center;
  color: var(--text-dim);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
}

/* ---------- legal pages ---------- */

.prose {
  max-width: 68ch;
  padding-block: clamp(3rem, 2rem + 4vw, 5.5rem);
  position: relative;
  z-index: 2;
}

.prose h1 {
  font-size: clamp(2.2rem, 1.6rem + 2.4vw, 3.4rem);
  margin-bottom: 1rem;
}

.prose h2 {
  font-size: 1.3rem;
  margin: 2.5rem 0 0.75rem;
}

.prose p,
.prose li {
  color: var(--text-dim);
  margin-bottom: 0.9rem;
}

.prose ul {
  padding-inline-start: 1.1rem;
}

.prose a {
  color: var(--accent-bright);
  border-bottom: 1px solid rgba(157, 144, 255, 0.4);
}

/* ---------- language selector ---------- */

.language-field select {
  appearance: none;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.5rem 0.7rem;
  cursor: pointer;
  max-width: 10rem;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.language-field select:hover {
  color: var(--text);
  border-color: var(--line-strong);
}

.language-field option {
  background: var(--ink-card);
  color: var(--text);
  font-family: var(--body);
}

/* ---------- small shared utilities ---------- */

.section-index-plain {
  border: 0;
  padding: 0;
  margin-bottom: 1.25rem;
}

.release-note {
  margin-top: 1.25rem;
}

.footer-tagline {
  margin-top: 1rem;
  max-width: 34ch;
  color: var(--text-dim);
  font-size: 0.92rem;
}

.footer-links-inline {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.tools-results {
  padding-bottom: var(--space-section);
}

/* ---------- right-to-left ---------- */

[dir="rtl"] .showcase-tab[aria-selected="true"] {
  background: linear-gradient(-90deg, rgba(124, 108, 245, 0.14), transparent);
}

[dir="rtl"] .ticker-track {
  animation-direction: reverse;
}

/* Horizontal arrows point along the reading direction. */
[dir="rtl"] .text-link > span[aria-hidden="true"] {
  display: inline-block;
  transform: scaleX(-1);
}

/* Latin brand, format, engine and release strings stay left-to-right inside
   RTL copy; translated labels keep the page direction. */
[dir="rtl"] .brand,
[dir="rtl"] .brand-tag,
[dir="rtl"] .ticker,
[dir="rtl"] .engine b,
[dir="rtl"] .languages,
[dir="rtl"] .spec span:last-child {
  direction: ltr;
}

/* ---------- reveal motion ---------- */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-1 {
  transition-delay: 90ms;
}

.reveal-2 {
  transition-delay: 180ms;
}

.reveal-3 {
  transition-delay: 270ms;
}

/* ---------- responsive ---------- */

@media (max-width: 1080px) {
  .showcase {
    grid-template-columns: 1fr;
  }

  .showcase-tabs {
    flex-direction: row;
    overflow-x: auto;
    border-top: 0;
    border-bottom: 1px solid var(--line);
    scrollbar-width: none;
  }

  .showcase-tabs::-webkit-scrollbar {
    display: none;
  }

  .showcase-tab {
    border-bottom: 0;
    border-left: 0;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    width: auto;
    padding: 0.8rem 1rem;
  }

  .showcase-tab[aria-selected="true"] {
    border-bottom-color: var(--accent);
    background: none;
  }

  .showcase-tab em {
    margin-left: 0.5rem;
  }

  .tile,
  .tile-wide,
  .tile-big {
    grid-column: span 3;
  }
}

@media (max-width: 860px) {
  :root {
    --shell: min(1280px, 100% - 2rem);
  }

  .header-nav {
    display: none;
  }

  .header-actions {
    margin-inline-start: auto;
  }

  .language-field select {
    max-width: 7.5rem;
  }

  .menu-toggle {
    display: flex;
  }

  .header-actions .button {
    display: none;
  }

  .hero-lower,
  .step,
  .download,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .step:nth-child(even) .step-copy {
    order: 0;
  }

  .section-head {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .section-index {
    border-top: 0;
    padding-top: 0;
  }

  .hero-meta {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-top: 1rem;
  }

  .frame-note-a {
    left: 8px;
    bottom: 10px;
  }

  .frame-note-b {
    right: 8px;
    top: 10px;
  }

  .footer-grid {
    gap: 2.25rem;
  }
}

@media (max-width: 620px) {
  .bento {
    grid-template-columns: 1fr;
  }

  .tile,
  .tile-wide,
  .tile-big {
    grid-column: span 1;
  }

  .frame-bar span {
    display: none;
  }

  .tools-controls {
    top: 60px;
  }

  .result-count {
    margin-left: 0;
    width: 100%;
  }
}

@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}