:root,
:root[data-theme="dark"] {
  --bg: #171717;
  --bg-deep: #0f0f0f;
  --surface: #1c1c1c;
  --surface-elevated: #222222;

  --fg: #fafafa;
  --fg-2: #b4b4b4;
  --fg-muted: #898989;
  --fg-dim: #4d4d4d;

  --border-subtle: #242424;
  --border: #2e2e2e;
  --border-strong: #363636;
  --border-prominent: #393939;

  --brand: #3ecf8e;
  --brand-link: #00c573;
  --brand-border: rgba(62, 207, 142, 0.3);
  --brand-wash: rgba(62, 207, 142, 0.08);

  --nav-bg: rgba(23, 23, 23, 0.85);
  --tok-kw: #c4b5fd;
  --tok-str: #fca5a5;
  --shadow-demo: 0 20px 60px rgba(0, 0, 0, 0.4);
  --shadow-showcase: 0 30px 80px rgba(0, 0, 0, 0.45);
  --chip-wash-neutral: rgba(255, 255, 255, 0.04);

  --warn: #ffd60a;
  --danger: #e5484d;
  --purple: #8b7dff;

  --font: "Inter", "Circular", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "Source Code Pro", "Office Code Pro", Menlo, monospace;

  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 9999px;

  --container: 1200px;

  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #ffffff;
  --bg-deep: #f5f5f5;
  --surface: #ffffff;
  --surface-elevated: #fafafa;

  --fg: #171717;
  --fg-2: #3f3f3f;
  --fg-muted: #707070;
  --fg-dim: #a0a0a0;

  --border-subtle: #efefef;
  --border: #e3e3e3;
  --border-strong: #d1d1d1;
  --border-prominent: #c0c0c0;

  --brand: #1ba668;
  --brand-link: #0e8d56;
  --brand-border: rgba(27, 166, 104, 0.35);
  --brand-wash: rgba(27, 166, 104, 0.08);

  --nav-bg: rgba(255, 255, 255, 0.85);
  --tok-kw: #6a3fca;
  --tok-str: #b02929;
  --shadow-demo: 0 14px 40px rgba(15, 15, 15, 0.08);
  --shadow-showcase: 0 22px 64px rgba(15, 15, 15, 0.1);
  --chip-wash-neutral: rgba(0, 0, 0, 0.04);

  --warn: #c47a00;
  --danger: #c2252a;
  --purple: #6e60e0;

  color-scheme: light;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
img, svg { display: block; max-width: 100%; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ======= NAV ======= */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--nav-bg);
  backdrop-filter: saturate(150%) blur(10px);
  -webkit-backdrop-filter: saturate(150%) blur(10px);
  border-bottom: 1px solid var(--border-subtle);
}
.nav__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__left {
  display: flex;
  align-items: center;
  gap: 36px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--fg);
}
.brand__mark {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: var(--brand);
  color: var(--bg-deep);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.brand__mark svg { width: 16px; height: 16px; }
.brand__name {
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: -0.2px;
  line-height: 1.1;
  white-space: nowrap;
}
.brand__sub {
  font-weight: 400;
  color: var(--fg-muted);
  margin-left: 2px;
}
.nav__links {
  display: flex;
  gap: 26px;
}
.nav__links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-2);
  transition: color 160ms ease;
}
.nav__links a:hover { color: var(--fg); }
.nav__right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav__sign-in {
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-2);
  padding: 8px 12px;
  border-radius: var(--radius-xs);
  transition: color 160ms ease;
}
.nav__sign-in:hover { color: var(--fg); }

/* ======= BUTTONS ======= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease,
    box-shadow 160ms ease;
  white-space: nowrap;
}
.btn svg { width: 14px; height: 14px; }
.btn--lg { padding: 12px 26px; font-size: 15px; }
.btn--lg svg { width: 15px; height: 15px; }
.btn--xs { padding: 4px 10px; font-size: 11px; }
.btn--xs svg { width: 10px; height: 10px; }

.btn--primary {
  background: var(--fg);
  color: var(--bg-deep);
  border-color: var(--fg);
}
.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(62, 207, 142, 0.1);
}

.btn--secondary {
  background: var(--bg-deep);
  color: var(--fg);
  border-color: var(--border);
}
.btn--secondary:hover {
  border-color: var(--border-prominent);
  background: var(--surface);
}

/* ======= SECTIONS ======= */
.section { padding: 80px 0; }
.section--tight { padding: 32px 0 56px; }
.section--bordered { border-top: 1px solid var(--border-subtle); }
.section--deep { background: var(--bg-deep); border-top: 1px solid var(--border-subtle); }
.section--cta { padding: 112px 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.2px;
  color: var(--fg-muted);
  text-transform: uppercase;
  font-weight: 400;
}
.eyebrow--brand { color: var(--brand); }
.eyebrow--outline {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--bg-deep);
  color: var(--fg-2);
}
.eyebrow--brand-filled {
  padding: 6px 12px;
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-pill);
  background: var(--brand-wash);
  color: var(--brand);
  font-weight: 500;
}
.eyebrow__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
}

.display {
  font-size: clamp(40px, 6.2vw, 72px);
  line-height: 1;
  letter-spacing: -1.5px;
  font-weight: 500;
  margin: 0;
}
.display--md {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.05;
  letter-spacing: -1px;
}
.h2 {
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.8px;
  font-weight: 500;
  margin: 0;
}
.sub {
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg-2);
  margin: 0;
  max-width: 640px;
}
.sub--wider { max-width: 680px; }
.lede {
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.6;
  color: var(--fg-2);
  margin: 0;
  max-width: 680px;
}

.section-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
  margin-bottom: 56px;
}
.section-head .sub { text-align: center; }

/* ======= HERO ======= */
.hero { padding: 96px 0 80px; }
.hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  text-align: center;
  margin-bottom: 56px;
}
.hero__content .lede { text-align: center; }
.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

/* ======= DEMO CARD ======= */
.demo {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-demo);
}
.demo__topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  height: 40px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-deep);
}
.demo__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.demo__dot--red { background: var(--danger); }
.demo__dot--amber { background: var(--warn); }
.demo__dot--green { background: var(--brand); }
.demo__spacer { flex: 1; }
.demo__url {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  background: var(--bg-deep);
  color: var(--fg-muted);
  font-family: var(--mono);
  font-size: 12px;
}
.demo__url svg { width: 12px; height: 12px; }
.demo__tabs {
  display: flex;
  gap: 6px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-deep);
  overflow-x: auto;
  scrollbar-width: none;
}
.demo__tabs::-webkit-scrollbar { display: none; }
.demo__tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  color: var(--fg-muted);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}
.demo__tab svg { width: 14px; height: 14px; color: var(--fg-dim); transition: color 160ms ease; }
.demo__tab:hover { color: var(--fg-2); }
.demo__tab:hover svg { color: var(--fg-muted); }
.demo__tab-lang { color: inherit; }
.demo__tab-case {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  background: var(--chip-wash-neutral);
  color: var(--fg-dim);
}
.demo__tab.is-active {
  background: var(--surface);
  border-color: var(--border);
  color: var(--fg);
}
.demo__tab.is-active svg { color: var(--brand); }
.demo__tab.is-active .demo__tab-case {
  background: var(--brand-wash);
  color: var(--brand);
}

@keyframes demoFade {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.demo__body {
  grid-template-columns: 1fr 1fr;
  min-height: 240px;
}
.demo__body.demo__panel { display: none; }
.demo__body.demo__panel.is-active {
  display: grid;
  animation: demoFade 280ms ease-out;
}
.demo__prompt {
  padding: 24px;
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.demo__label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.2px;
  color: var(--fg-muted);
  text-transform: uppercase;
}
.demo__prompt-text {
  font-size: 18px;
  line-height: 1.4;
  color: var(--fg);
  margin: 0;
}
.demo__code {
  padding: 24px;
  background: var(--bg-deep);
}
.demo__code pre {
  margin: 12px 0 0;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--brand);
  white-space: pre-wrap;
  word-break: break-word;
}
.tok-kw { color: var(--tok-kw); }
.tok-str { color: var(--tok-str); }
.tok-pipe { color: var(--fg-muted); }
.tok-warn { color: var(--warn); }

/* ======= CHIPS ======= */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
  width: fit-content;
}
.chip svg { width: 11px; height: 11px; }
.chip__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
}
.chip--brand {
  background: var(--brand-wash);
  color: var(--brand);
  border: 1px solid var(--brand-border);
}
.chip--outline {
  background: var(--bg-deep);
  color: var(--fg-2);
  border: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
}

/* ======= TRUST ======= */
.trust {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px 48px;
  color: var(--fg-dim);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.2px;
}
.logos span { opacity: 0.9; transition: color 160ms ease; }
.logos span:hover { color: var(--fg-muted); }

/* ======= FEATURES ======= */
.grid {
  display: grid;
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.grid--features {
  grid-template-columns: repeat(3, 1fr);
}
.feature {
  padding: 32px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.feature__icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
}
.feature__icon svg { width: 22px; height: 22px; }
.feature__title {
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.16px;
  margin: 4px 0 0;
}
.feature__body {
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-muted);
  margin: 0;
}

/* ======= STEPS ======= */
.grid--steps {
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  background: transparent;
  border: 0;
  margin-bottom: 56px;
}
.step {
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.step--active { border-color: var(--brand-border); }
.step__num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 1.2px;
  color: var(--brand);
}
.step__title {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.2px;
  margin: 0;
}
.step__body {
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-muted);
  margin: 0;
}

/* ======= SHOWCASE ======= */
.showcase {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow: hidden;
  box-shadow: var(--shadow-showcase);
}
.showcase__top {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  height: 44px;
  background: var(--bg-deep);
  border-bottom: 1px solid var(--border-subtle);
}
.showcase__crumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
}
.showcase__crumb .muted { color: var(--fg-muted); font-weight: 500; }
.showcase__crumb .dim { color: var(--fg-dim); }
.showcase__body {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 460px;
  background: var(--bg);
}
.showcase__side {
  background: var(--surface);
  border-right: 1px solid var(--border-subtle);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.showcase__side-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 1.2px;
  color: var(--fg-muted);
  margin-bottom: 8px;
}
.sidebar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  font-size: 13px;
  color: var(--fg-2);
  background: transparent;
  border-radius: var(--radius-xs);
  border: 1px solid transparent;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  width: 100%;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}
.sidebar-item:hover {
  background: var(--surface-elevated);
  color: var(--fg);
}
.sidebar-item svg { width: 14px; height: 14px; color: var(--fg-muted); flex-shrink: 0; }
.sidebar-item.is-active,
.sidebar-item--active {
  background: var(--brand-wash);
  color: var(--fg);
  border-color: var(--brand-border);
  font-weight: 500;
}
.sidebar-item.is-active svg,
.sidebar-item--active svg { color: var(--brand); }
.showcase__main {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.prompt-card {
  padding: 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.prompt-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.prompt-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--fg);
}

.result-card {
  flex: 1;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-deep);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.result-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  height: 36px;
  border-bottom: 1px solid var(--border-subtle);
}
.tabs { display: flex; gap: 4px; }
.tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 500;
  color: var(--fg-muted);
  background: transparent;
  border: 0;
  border-radius: var(--radius-pill);
  font-family: inherit;
  cursor: pointer;
  transition: background 140ms ease, color 140ms ease;
}
.tab svg { width: 12px; height: 12px; }
.tab:hover { color: var(--fg-2); }
.tab.is-active,
.tab--active {
  background: var(--surface);
  color: var(--fg);
}
.tab.is-active svg,
.tab--active svg { color: var(--brand); }
.result-card__actions { display: flex; gap: 8px; align-items: center; }
.result-card__body {
  padding: 18px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 260px;
}
.sc-view { animation: scFade 220ms ease-out; }
@keyframes scFade {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}
.result-card__body pre {
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--fg-2);
  white-space: pre-wrap;
  word-break: break-word;
}

/* Explain view */
.sc-explain {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sc-explain li {
  counter-increment: step;
  position: relative;
  padding: 10px 14px 10px 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--fg-2);
}
.sc-explain li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 10px;
  left: 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--brand);
}
.sc-explain code {
  font-family: var(--mono);
  font-size: 12px;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--surface-elevated);
  color: var(--fg);
  border: 1px solid var(--border);
}
.sc-explain em { color: var(--fg); font-style: normal; font-weight: 500; }

/* Security view */
.sc-security { display: flex; flex-direction: column; gap: 14px; }
.sc-security__head {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 500;
  border: 1px solid var(--brand-border);
  background: var(--brand-wash);
  color: var(--brand);
  width: fit-content;
}
.sc-security__head svg { width: 16px; height: 16px; }
.sc-security__head--review {
  border-color: rgba(255, 214, 10, 0.35);
  background: rgba(255, 214, 10, 0.08);
  color: var(--warn);
}
.sc-security__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sc-security__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 13px;
  line-height: 1.55;
  color: var(--fg-2);
}
.sc-security__list li.ok svg { color: var(--brand); }
.sc-security__list li.warn svg { color: var(--warn); }
.sc-security__list svg { width: 14px; height: 14px; margin-top: 3px; flex-shrink: 0; }
.sc-security__list code {
  font-family: var(--mono);
  font-size: 12px;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--surface-elevated);
  color: var(--fg);
  border: 1px solid var(--border);
}

.chip--warn {
  background: rgba(255, 214, 10, 0.12);
  color: var(--warn);
  border: 1px solid rgba(255, 214, 10, 0.35);
}

.result-card__foot {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-muted);
  margin-top: auto;
}
.result-card__foot svg { width: 14px; height: 14px; color: var(--brand); }

/* Run button states */
[data-sc-run] { transition: background 180ms ease, border-color 180ms ease; }
[data-sc-run].is-running { background: var(--surface-elevated); color: var(--fg); border-color: var(--border); }
[data-sc-run].is-running svg { animation: scSpin 900ms linear infinite; }
[data-sc-run].is-done { background: var(--brand); color: var(--bg-deep); border-color: var(--brand); }
@keyframes scSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ======= CASES ======= */
.grid--cases {
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  background: transparent;
  border: 0;
}
.case {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.case__icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.case__icon svg { width: 22px; height: 22px; }
.case__icon--red { background: rgba(229, 72, 77, 0.13); border: 1px solid rgba(229, 72, 77, 0.3); color: var(--danger); }
.case__icon--purple { background: rgba(139, 125, 255, 0.13); border: 1px solid rgba(139, 125, 255, 0.3); color: var(--purple); }
.case__icon--yellow { background: rgba(255, 214, 10, 0.13); border: 1px solid rgba(255, 214, 10, 0.3); color: var(--warn); }
.case__title {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.2px;
  margin: 0;
}
.case__body {
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-muted);
  margin: 0;
}
.case__link {
  margin: 0;
  font-size: 13px;
  color: var(--brand);
}

/* ======= STATS ======= */
.stats {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-deep);
  overflow: hidden;
}
.stats__item {
  padding: 36px 32px;
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.stats__item:last-child { border-right: 0; }
.stats__num {
  font-size: clamp(40px, 4.4vw, 56px);
  line-height: 1;
  font-weight: 500;
  letter-spacing: -1.5px;
}
.stats__num--brand { color: var(--brand); }
.stats__lbl {
  font-size: 14px;
  line-height: 1.5;
  color: var(--fg-muted);
}

/* ======= FINAL CTA ======= */
.final-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}
.final-cta .sub { text-align: center; }
.final-cta .display--md { max-width: 960px; }

/* ======= FOOTER ======= */
.footer {
  padding: 64px 0 32px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 48px;
}
.footer__brand { display: flex; flex-direction: column; gap: 14px; max-width: 320px; }
.footer__tag {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-muted);
}
.footer__byline {
  margin: 0;
  font-size: 12px;
  color: var(--fg-dim);
}
.footer__cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.footer__col { display: flex; flex-direction: column; gap: 12px; }
.footer__head {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.2px;
  color: var(--fg-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.footer__col a {
  font-size: 14px;
  color: var(--fg-2);
  transition: color 160ms ease;
}
.footer__col a:hover { color: var(--fg); }
.footer__bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer__bottom p {
  margin: 0;
  font-size: 12px;
  color: var(--fg-muted);
}
.footer__socials { display: flex; gap: 14px; }
.footer__socials a { color: var(--fg-muted); transition: color 160ms ease; }
.footer__socials a:hover { color: var(--fg); }
.footer__socials svg { width: 18px; height: 18px; }

/* ======= LANG SWITCHER ======= */
.lang {
  position: relative;
}
.lang__trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--fg-2);
  border-radius: var(--radius-xs);
  font-size: 13px;
  font-weight: 500;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}
.lang__trigger:hover {
  color: var(--fg);
  background: var(--surface-elevated);
  border-color: var(--border);
}
.lang__trigger svg { width: 14px; height: 14px; }
.lang__caret {
  transition: transform 180ms ease;
}
.lang__trigger[aria-expanded="true"] .lang__caret { transform: rotate(180deg); }
.lang__current { min-width: 52px; text-align: left; }
.lang__menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 200px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-demo);
  padding: 6px;
  margin: 0;
  list-style: none;
  z-index: 60;
}
.lang__menu li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-xs);
  font-size: 14px;
  color: var(--fg);
  cursor: pointer;
  transition: background 140ms ease;
}
.lang__menu li:hover { background: var(--surface-elevated); }
.lang__menu li[aria-selected="true"] {
  color: var(--brand);
  background: var(--brand-wash);
}
.lang__code {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--fg-muted);
}
.lang__menu li[aria-selected="true"] .lang__code { color: var(--brand); }

/* ======= THEME TOGGLE ======= */
.theme-toggle {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: transparent;
  border: 1px solid transparent;
  color: var(--fg-2);
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
  position: relative;
}
.theme-toggle:hover {
  color: var(--fg);
  background: var(--surface-elevated);
  border-color: var(--border);
}
.theme-toggle svg { width: 16px; height: 16px; }
:root[data-theme="dark"] .theme-toggle__sun,
:root[data-theme="light"] .theme-toggle__moon {
  display: none;
}

/* ======= RESPONSIVE ======= */
@media (max-width: 960px) {
  .grid--features { grid-template-columns: repeat(2, 1fr); }
  .grid--steps,
  .grid--cases { grid-template-columns: 1fr; }
  .demo__body { grid-template-columns: 1fr; }
  .demo__prompt { border-right: 0; border-bottom: 1px solid var(--border-subtle); }
  .showcase__body { grid-template-columns: 1fr; }
  .showcase__side { border-right: 0; border-bottom: 1px solid var(--border-subtle); }
  .stats { grid-template-columns: 1fr; }
  .stats__item { border-right: 0; border-bottom: 1px solid var(--border-subtle); }
  .stats__item:last-child { border-bottom: 0; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__cols { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .section { padding: 56px 0; }
  .section--cta { padding: 72px 0; }
  .hero { padding: 56px 0; }
  .nav__links { display: none; }
  .nav__sign-in { display: none; }
  .grid--features { grid-template-columns: 1fr; }
  .logos { gap: 12px 28px; font-size: 16px; }
  .footer__cols { grid-template-columns: 1fr; gap: 24px; }
  .brand__name { font-size: 14px; }
  .brand__sub { display: none; }
  .demo__tabs { padding: 8px 12px; gap: 4px; }
  .demo__tab { padding: 6px 10px; font-size: 12px; }
  .demo__tab-case { display: none; }
  .lang__current { display: none; }
  .lang__trigger { padding: 7px 8px; }
}