/* ---- design tokens ------------------------------------------------
   Light theme overall (white page with orange accent). Topbar is the
   only dark surface; code/snippet blocks stay dark for contrast.
------------------------------------------------------------------- */
:root {
  /* Brand */
  --accent:        #F29030;
  --accent-2:      #ffae5e;
  --accent-deep:   #b15f10;
  --accent-glow:   rgba(242, 144, 48, 0.35);
  --accent-soft:   rgba(242, 144, 48, 0.08);

  /* Light surfaces */
  --bg:        #ffffff;          /* page */
  --bg-soft:   #fafaf8;          /* subtle bands */
  --bg-card:   #ffffff;          /* cards */
  --bg-elev:   #f5f5f3;          /* chip / pill */
  --line:      #e6e3dc;          /* borders */
  --line-strong: #cfcbc1;        /* stronger borders / dividers */

  --fg:        #15151a;          /* primary text */
  --fg-muted:  #5a5a64;          /* secondary text */
  --fg-dim:    #8a8a92;          /* tertiary */

  /* Dark inverted surface (topbar + code blocks) */
  --dark-bg:        #0d0d10;
  --dark-bg-elev:   #16161a;
  --dark-line:      #26262b;
  --dark-fg:        #f5f5f7;
  --dark-fg-muted:  #a8a8b0;
  --dark-fg-dim:    #6f6f78;

  --ok:        #2fa969;

  --radius:     10px;
  --radius-lg:  16px;
  --maxw:       1320px;
  --mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Inter",
          Helvetica, Arial, sans-serif;
}

/* ---- base --------------------------------------------------------- */
* { box-sizing: border-box; }
html { color-scheme: light; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--accent-deep); text-decoration: none; }
a:hover { color: var(--accent); }
code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--bg-elev);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  border: 1px solid var(--line);
  color: var(--fg);
}
pre {
  font-family: var(--mono);
  /* Code blocks stay DARK regardless of page theme — contrast trick
     borrowed from Stripe / Linear docs. */
  background: var(--dark-bg);
  color: var(--dark-fg);
  border: 1px solid var(--dark-line);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  overflow-x: auto;
  font-size: 0.9rem;
  line-height: 1.55;
}
pre code {
  background: transparent;
  border: 0;
  padding: 0;
  font-size: inherit;
  color: inherit;
}
h1, h2, h3 {
  font-family: var(--sans);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 0.6em;
  color: var(--fg);
}
h2 { font-size: clamp(1.6rem, 2.4vw, 2rem); }
h3 { font-size: 1.1rem; }

/* ---- topbar (pure black + dual logos white + pills + CTA) -------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 0.65rem clamp(1rem, 3vw, 1.8rem);
  background: #000;             /* completamente negro */
  color: var(--dark-fg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
/* Subtle orange glow seam at the bottom edge */
.topbar::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(242, 144, 48, 0.45) 50%,
    transparent 100%
  );
  pointer-events: none;
}

/* Brand wordmark izquierda — texto "Eximia" plano */
.brand {
  color: var(--dark-fg);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.025em;
  text-decoration: none;
}
.brand:hover { color: var(--dark-fg); }

/* SLM Sistemas logo corporativo — ya viene blanco transparent */
.brand-corp {
  display: inline-flex;
  align-items: center;
  padding-left: 0.9rem;
  margin-left: 0.2rem;
  border-left: 1px solid rgba(255, 255, 255, 0.12);
  line-height: 0;
  opacity: 0.7;
  transition: opacity 200ms ease;
}
.brand-corp:hover { opacity: 1; }
.brand-corp-logo {
  height: 28px;
  width: auto;
  display: block;
}

/* Pills nav — wrapped in a subtle container so it reads as a unit */
.nav-pills {
  display: flex;
  gap: 0.2rem;
  margin-left: auto;
  padding: 0.28rem;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 999px;
}
.nav-pill {
  padding: 0.5rem 1rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--dark-fg-muted);
  border-radius: 999px;
  transition: color 150ms ease, background 150ms ease;
  white-space: nowrap;
}
.nav-pill:hover {
  color: var(--dark-fg);
  background: rgba(255, 255, 255, 0.06);
}

/* CTA Download button — sólido naranja con glow */
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.2rem;
  background: var(--accent);
  color: #1a0d00;
  font-weight: 600;
  font-size: 0.88rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow:
    0 4px 14px rgba(242, 144, 48, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
  transition: background 150ms ease, transform 150ms ease,
              box-shadow 150ms ease;
}
.nav-cta:hover {
  background: var(--accent-2);
  color: #1a0d00;
  transform: translateY(-1px);
  box-shadow:
    0 8px 24px rgba(242, 144, 48, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
.nav-cta-arrow {
  display: inline-block;
  font-weight: 700;
  font-size: 0.95em;
  transition: transform 150ms ease;
}
.nav-cta:hover .nav-cta-arrow {
  transform: translateY(2px);
}

@media (max-width: 720px) {
  .nav-pills { display: none; }
  .nav-cta {
    margin-left: auto;
    font-size: 0.84rem;
    padding: 0.5rem 1rem;
  }
  .brand-corp { display: none; }   /* keep mobile clean */
}
@media (max-width: 480px) {
  .topbar { padding: 0.55rem 1rem; }
  .brand { font-size: 1.1rem; }
}

/* ---- layout ------------------------------------------------------- */
main { display: block; }
section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 5.5rem) clamp(1rem, 4vw, 2rem);
}
.section-lede {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 60ch;
  margin-top: -0.4rem;
  margin-bottom: 2rem;
}

/* ---- hero (split: logo+blueprint left, copy+CTA right) ----------- */
.hero {
  max-width: none;
  margin: 0;
  padding: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 4.5rem) clamp(1rem, 4vw, 2rem);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

/* Left half: the logo sits inside a blueprint-styled stage with a
   vertical scan line that animates top → bottom. */
.hero-art {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.045) 1px, transparent 1px);
  background-size: 36px 36px;
  background-position: center center;
  aspect-ratio: 16 / 11;        /* matches the logo's panoramic ratio */
  display: flex;
  align-items: center;
  justify-content: center;
}
/* Scan: a soft horizontal naranja bar that sweeps top → bottom in a
   loop. ::before so the logo (DOM child) stays above. */
.hero-art::before {
  content: "";
  position: absolute;
  left: -2%;
  right: -2%;
  height: 28%;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(242, 144, 48, 0.00) 40%,
    rgba(242, 144, 48, 0.65) 50%,
    rgba(242, 144, 48, 0.00) 60%,
    transparent 100%
  );
  filter: blur(2px);
  mix-blend-mode: multiply;
  pointer-events: none;
  animation: hero-scan 5s ease-in-out infinite;
}
/* Subtle corner ticks to sell the "blueprint" aesthetic. */
.hero-art::after {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px dashed rgba(0, 0, 0, 0.10);
  border-radius: calc(var(--radius-lg) - 6px);
  pointer-events: none;
}
@keyframes hero-scan {
  0%   { top: -30%; opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}
.hero-logo {
  position: relative;
  z-index: 1;
  display: block;
  width: 86%;
  height: auto;
  filter: drop-shadow(0 16px 30px rgba(0, 0, 0, 0.08));
}

/* Right half: kicker, headline, lede, CTAs. */
.hero-body { min-width: 0; }
.hero .kicker {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin: 0 0 1rem;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 1.1rem;
  max-width: 18ch;
}
.hero .accent { color: var(--accent-deep); }
.hero .lede {
  color: var(--fg-muted);
  font-size: clamp(1.05rem, 1.4vw, 1.18rem);
  max-width: 50ch;
  margin: 0 0 2rem;
}

.accent { color: var(--accent-deep); }
.lede {
  color: var(--fg-muted);
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  max-width: 58ch;
  margin: 0 0 2rem;
}

/* Snippet block (kept dark, matches all <pre> on the page). */
.snippet { margin: 0 0 2rem; box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08); }
.snippet .prompt { color: var(--accent); }
.snippet .ok     { color: var(--ok); }
.snippet .dim    { color: var(--dark-fg-dim); }

.cta-row { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.78rem 1.3rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 80ms ease, background 120ms ease,
              border-color 120ms ease, color 120ms ease, box-shadow 120ms ease;
}
.btn.primary {
  background: var(--accent);
  color: #1a0d00;
  box-shadow: 0 8px 18px var(--accent-soft);
}
.btn.primary:hover {
  background: var(--accent-2);
  color: #1a0d00;
  transform: translateY(-1px);
  box-shadow: 0 10px 22px var(--accent-glow);
}
.btn.ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--line-strong);
}
.btn.ghost:hover {
  border-color: var(--accent-deep);
  color: var(--accent-deep);
}

/* ---- specs (dark "built different" section) ---------------------- */
.specs {
  max-width: none;
  padding: clamp(3.5rem, 6vw, 5rem) clamp(1rem, 4vw, 2rem);
  background: #0a0a0a;
  color: var(--dark-fg);
  border-top: 1px solid var(--dark-line);
  border-bottom: 1px solid var(--dark-line);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
/* Blueprint-style grid in the background, masked toward the center. */
.specs::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(242, 144, 48, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 144, 48, 0.07) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 90%);
          mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 90%);
}
/* Subtle ambient orange glow at the top. */
.specs::after {
  content: "";
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(242, 144, 48, 0.15) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.specs-head {
  max-width: var(--maxw);
  margin: 0 auto clamp(2rem, 3vw, 3rem);
  position: relative;
  z-index: 1;
}
.specs-eyebrow {
  margin: 0 0 0.6rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  text-shadow: 0 0 12px rgba(242, 144, 48, 0.35);
}
.specs-title {
  margin: 0;
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--dark-fg);
}

.specs-list {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  position: relative;
  z-index: 1;
}

.spec {
  display: grid;
  grid-template-columns: minmax(280px, 0.5fr) 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: center;
  padding: 1.5rem clamp(1.2rem, 2.4vw, 2rem);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--dark-line);
  border-radius: var(--radius-lg);
  transition: border-color 200ms ease, background 200ms ease,
              transform 200ms ease;
}
.spec:hover {
  border-color: rgba(242, 144, 48, 0.45);
  background: rgba(242, 144, 48, 0.04);
  transform: translateX(2px);
}

.spec-num {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.3rem;
  align-items: center;
}
.spec-num strong {
  font-family: var(--mono);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
  min-width: 3.5ch;
  text-shadow:
    0 0 8px rgba(242, 144, 48, 0.60),
    0 0 24px rgba(242, 144, 48, 0.25);
}
.spec-name {
  margin: 0 0 0.2rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark-fg);
  letter-spacing: -0.01em;
}
.spec-sub {
  margin: 0;
  font-size: 0.78rem;
  color: var(--dark-fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.spec-snippet {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.55;
  background: #050505;
  border: 1px solid var(--dark-line);
  padding: 0.95rem 1.15rem;
  color: var(--dark-fg);
  overflow-x: auto;
}
.spec-snippet .prompt { color: var(--accent); font-weight: 700; }
.spec-snippet .ok     { color: var(--ok); }
.spec-snippet .dim    { color: var(--dark-fg-dim); }
.spec-snippet .cmt    { color: var(--dark-fg-dim); font-style: italic; }
.spec-snippet .kw     { color: #ffae5e; }
.spec-snippet .cls    { color: #6cc9c9; }
.spec-snippet .str    { color: #b1c97c; }

@media (max-width: 780px) {
  .spec {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  .spec:hover { transform: none; }
  .spec-snippet { font-size: 0.76rem; }
}
@media (prefers-reduced-motion: reduce) {
  .spec { transition: none; }
}

/* ---- why (vs cards: header → pull-quote → bullets) --------------- */
.vs-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
  align-items: stretch;
}
.vs-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.9rem 1.9rem 2.1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: relative;
}
.vs-card > * { position: relative; z-index: 1; }

.vs-card header {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.vs-eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
}
.vs-eyebrow.accent { color: var(--accent-deep); }
.vs-card h3 {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.025em;
}

/* Pull-quote — the emotional summary, bigger and italic. */
.vs-quote {
  margin: 0;
  padding: 0.3rem 0 0.3rem 1.1rem;
  border-left: 3px solid var(--line-strong);
  font-size: 1.12rem;
  line-height: 1.5;
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--fg);
}

/* Bullets — short, scannable, no inline code boxes. */
.vs-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.vs-card li {
  display: grid;
  grid-template-columns: 1.1rem 1fr;
  gap: 0.6rem;
  align-items: start;
  font-size: 0.96rem;
  line-height: 1.45;
  color: var(--fg);
}
.vs-mark {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.92rem;
  line-height: 1.55;          /* aligns with first line of multi-line bullet */
  text-align: center;
}

/* No <code> boxes inside cards — keep monospace but kill the chip. */
.vs-card code {
  background: transparent;
  border: 0;
  padding: 0;
  color: inherit;
  font-family: var(--mono);
  font-size: 0.92em;
}

/* Cordova — desaturated, "before" feel. */
.vs-cordova {
  background: var(--bg-soft);
  filter: saturate(0.55);
}
.vs-cordova h3        { color: var(--fg-muted); }
.vs-cordova .vs-quote { color: var(--fg-muted); border-left-color: var(--line-strong); }
.vs-cordova li        { color: var(--fg-muted); }
.vs-cordova .vs-mark  { color: var(--fg-dim); }

/* Eximia — branded, "after" feel. */
.vs-eximia {
  border: 1px solid var(--accent);
  box-shadow: 0 12px 36px rgba(242, 144, 48, 0.10);
}
.vs-eximia::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--accent-soft) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
}
.vs-eximia .vs-quote      { border-left-color: var(--accent); }
.vs-eximia .vs-mark.ok    { color: var(--accent-deep); }

/* ---- how-it-works (dark, terminal demo) -------------------------- */
.how {
  background: #0a0a0a;
  color: var(--dark-fg);
  max-width: none;
  padding: clamp(3.5rem, 6vw, 5rem) clamp(1rem, 4vw, 2rem);
  border-top: 1px solid var(--dark-line);
  border-bottom: 1px solid var(--dark-line);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.how::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(242, 144, 48, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 144, 48, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 90%);
          mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 90%);
}

.how-head {
  max-width: var(--maxw);
  margin: 0 auto clamp(2rem, 3vw, 3rem);
  position: relative;
  z-index: 1;
}
.how-eyebrow {
  margin: 0 0 0.6rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  text-shadow: 0 0 12px rgba(242, 144, 48, 0.35);
}
.how-title {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--dark-fg);
  max-width: 22ch;
}
.how-title .accent { color: var(--accent); }
.how-lede {
  margin: 0;
  font-size: 1.05rem;
  color: var(--dark-fg-muted);
  max-width: 64ch;
}
.how-lede code {
  background: rgba(242, 144, 48, 0.1);
  border: 1px solid rgba(242, 144, 48, 0.25);
  color: var(--accent);
  padding: 0.08em 0.4em;
  border-radius: 4px;
}

/* The terminal -------------------------------------------------- */
.terminal {
  max-width: 920px;
  margin: 0 auto;
  background: #0d0d11;
  border: 1px solid #2a2a30;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(242, 144, 48, 0.06),
    0 0 60px rgba(242, 144, 48, 0.08);
  position: relative;
  z-index: 1;
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.1rem;
  background: #16161c;
  border-bottom: 1px solid #2a2a30;
}
.terminal-bar .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}
.terminal-bar .dot-r { background: #ff5f56; }
.terminal-bar .dot-y { background: #ffbd2e; }
.terminal-bar .dot-g { background: #27c93f; }
.terminal-title {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--dark-fg-dim);
  letter-spacing: 0.02em;
}

.terminal-body {
  margin: 0;
  padding: 1.4rem 1.7rem 1.6rem;
  background: #0d0d11;
  border: none;
  border-radius: 0;
  font-family: var(--mono);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--dark-fg);
  overflow-x: auto;
}
.terminal-body .prompt   { color: var(--accent); font-weight: 700; }
.terminal-body .ok       { color: var(--ok); font-weight: 700; }
.terminal-body .dim      { color: var(--dark-fg-dim); }
.terminal-body .json     { color: #a8acb3; }
.terminal-body .json-str { color: #b1c97c; }
.terminal-body .apk      { color: var(--accent); font-weight: 600; }

/* Cursor blink at the end of the session */
.terminal-body .cursor {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  background: var(--dark-fg);
  vertical-align: -0.12em;
  animation: term-blink 1s step-end infinite;
}
@keyframes term-blink {
  0%, 50%   { background: var(--dark-fg); }
  50%, 100% { background: transparent; }
}

/* Sequence: lines stagger-fade in as the "build" runs */
.terminal-body .seq {
  opacity: 0;
  animation: term-line-in 0.4s ease forwards;
}
.terminal-body .seq-0 { animation-delay: 0s;   }
.terminal-body .seq-1 { animation-delay: 1.0s; }
.terminal-body .seq-2 { animation-delay: 1.5s; }
.terminal-body .seq-3 { animation-delay: 1.9s; }
.terminal-body .seq-4 { animation-delay: 2.4s; }
.terminal-body .seq-5 { animation-delay: 3.4s; }
.terminal-body .seq-6 { animation-delay: 3.9s; }
.terminal-body .seq-7 { animation-delay: 4.2s; }
.terminal-body .seq-8 { animation-delay: 4.6s; }

@keyframes term-line-in {
  from { opacity: 0; transform: translateY(2px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 720px) {
  .terminal-body { font-size: 0.78rem; padding: 1.1rem 1.2rem 1.3rem; }
}
@media (prefers-reduced-motion: reduce) {
  .terminal-body .seq    { opacity: 1; animation: none; }
  .terminal-body .cursor { animation: none; }
}

/* ---- extend (IDE split with CSS-only tabs) ----------------------- */
.extend {
  max-width: none;
  padding: clamp(3rem, 6vw, 5rem) clamp(1rem, 4vw, 2rem);
}
.extend-head {
  max-width: var(--maxw);
  margin: 0 auto clamp(2rem, 3vw, 2.8rem);
}
.extend-eyebrow {
  margin: 0 0 0.6rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-deep);
}
.extend-title {
  margin: 0 0 1rem;
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--fg);
  max-width: 24ch;
}
.extend-lede {
  margin: 0;
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 64ch;
}

.ide-split {
  max-width: var(--maxw);
  margin: 0 auto 1.8rem;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 1.2rem;
  align-items: stretch;
}

.ide-pane {
  background: #0d0d11;
  color: var(--dark-fg);
  border: 1px solid #2a2a30;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.12),
    0 0 0 1px rgba(242, 144, 48, 0.05);
  position: relative;
}

/* Hidden radios — drive the tab state via :checked + sibling combinators. */
.ide-radio {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 0;
  height: 0;
}
/* Keyboard focus: surface a ring on the matching label. */
.ide-radio:focus-visible + .ide-radio + .ide-tabs label[for="tab-android"],
.ide-radio + .ide-radio:focus-visible + .ide-tabs label[for="tab-ios"] {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.ide-tabs {
  display: flex;
  align-items: stretch;
  gap: 0;
  background: #16161c;
  border-bottom: 1px solid #2a2a30;
  padding-right: 0.9rem;
  overflow: hidden;
}
.ide-tab {
  padding: 0.85rem 1.1rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--dark-fg-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 120ms ease, background 120ms ease,
              border-color 120ms ease;
  user-select: none;
}
.ide-tab:hover {
  color: var(--dark-fg);
  background: rgba(255, 255, 255, 0.03);
}
.ide-tab-static {
  cursor: default;
  color: var(--dark-fg);
  border-bottom-color: var(--accent);
  background: rgba(242, 144, 48, 0.06);
}
.ide-tab-static:hover { background: rgba(242, 144, 48, 0.06); }

/* Tab → label state */
#tab-android:checked ~ .ide-tabs label[for="tab-android"],
#tab-ios:checked     ~ .ide-tabs label[for="tab-ios"] {
  color: var(--dark-fg);
  border-bottom-color: var(--accent);
  background: rgba(242, 144, 48, 0.06);
}

/* Tab → panel visibility */
.ide-panel { display: none; flex: 1; }
#tab-android:checked ~ .ide-panel-android,
#tab-ios:checked     ~ .ide-panel-ios {
  display: flex;
  flex-direction: column;
}

.lang-dot {
  width: 9px;
  height: 9px;
  border-radius: 2px;
  display: inline-block;
  flex-shrink: 0;
}
.lang-dot.kotlin { background: #7f52ff; }
.lang-dot.swift  { background: #f05138; }
.lang-dot.js     { background: #f7df1e; }

.ide-filename {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--dark-fg-dim);
  align-self: center;
}

.ide-pane pre {
  margin: 0;
  padding: 1.4rem 1.6rem;
  border: none;
  border-radius: 0;
  font-size: 0.85rem;
  line-height: 1.65;
  background: #0d0d11;
  color: var(--dark-fg);
  flex: 1;
  overflow-x: auto;
}
.ide-pane pre .kw  { color: #ffae5e; }
.ide-pane pre .cls { color: #6cc9c9; }
.ide-pane pre .str { color: #b1c97c; }
.ide-pane pre .cmt { color: var(--dark-fg-dim); font-style: italic; }
.ide-pane pre .num { color: var(--accent); }

.extend-foot {
  max-width: 72ch;
  margin: 0 auto 2rem;
  color: var(--fg-muted);
  font-size: 0.95rem;
  text-align: center;
}
.extend-foot code {
  font-size: 0.85em;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  color: var(--fg);
  padding: 0.08em 0.4em;
  border-radius: 4px;
}

/* Plugin authoring guide CTA — a single link styled as a feature card */
.extend-cta {
  max-width: 720px;
  margin: 0 auto;
}
.extend-cta-link {
  display: block;
  padding: 1.5rem 1.8rem;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  color: var(--fg);
  transition: border-color 150ms ease, transform 150ms ease,
              box-shadow 150ms ease;
  text-decoration: none;
}
.extend-cta-link:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(242, 144, 48, 0.10);
  color: var(--fg);
}
.extend-cta-eyebrow {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-deep);
  margin-bottom: 0.45rem;
}
.extend-cta-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 0.55rem;
}
.extend-cta-arrow {
  color: var(--accent);
  transition: transform 200ms ease;
}
.extend-cta-link:hover .extend-cta-arrow {
  transform: translateX(4px);
}
.extend-cta-desc {
  display: block;
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}
.extend-cta-desc code {
  font-size: 0.9em;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  color: var(--fg);
  padding: 0.05em 0.35em;
  border-radius: 4px;
}

@media (max-width: 820px) {
  .ide-split { grid-template-columns: 1fr; }
  .ide-filename { display: none; }
}
@media (max-width: 480px) {
  .ide-pane pre { font-size: 0.76rem; padding: 1.1rem 1.2rem; }
  .ide-tab { font-size: 0.74rem; padding: 0.7rem 0.85rem; }
}

/* ---- download (dark, install-terminal first) --------------------- */
.download {
  max-width: none;
  padding: clamp(3.5rem, 6vw, 5rem) clamp(1rem, 4vw, 2rem);
  background: #0a0a0a;
  color: var(--dark-fg);
  border-top: 1px solid var(--dark-line);
  border-bottom: 1px solid var(--dark-line);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.download::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(242, 144, 48, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 144, 48, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 90%);
          mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 90%);
}
.download::after {
  content: "";
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(242, 144, 48, 0.13) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.download-head {
  max-width: var(--maxw);
  margin: 0 auto clamp(2rem, 3vw, 2.8rem);
  position: relative;
  z-index: 1;
}
.download-eyebrow {
  margin: 0 0 0.6rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  text-shadow: 0 0 12px rgba(242, 144, 48, 0.35);
}
.download-title {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--dark-fg);
}
.download-title .accent { color: var(--accent); }
.download-lede {
  margin: 0;
  font-size: 1.05rem;
  color: var(--dark-fg-muted);
  max-width: 64ch;
}
.download-lede code {
  background: rgba(242, 144, 48, 0.1);
  border: 1px solid rgba(242, 144, 48, 0.25);
  color: var(--accent);
  padding: 0.08em 0.4em;
  border-radius: 4px;
  font-size: 0.92em;
}

.install {
  max-width: 880px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

/* Copy button lives in the terminal bar. */
.terminal-bar .copy-btn {
  margin-left: auto;
  background: transparent;
  border: 1px solid #2a2a30;
  color: var(--dark-fg-dim);
  font-family: var(--mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.32rem 0.7rem;
  border-radius: 4px;
  cursor: pointer;
  transition: color 120ms ease, border-color 120ms ease,
              background 120ms ease;
}
.terminal-bar .copy-btn:hover {
  color: var(--accent);
  border-color: rgba(242, 144, 48, 0.5);
  background: rgba(242, 144, 48, 0.06);
}
.terminal-bar .copy-btn.copied {
  color: var(--ok);
  border-color: var(--ok);
  background: rgba(47, 169, 105, 0.1);
}
.terminal-bar .copy-btn.copied .copy-label::before {
  content: "✓ copied";
}
.terminal-bar .copy-btn.copied .copy-label { font-size: 0; }
.terminal-bar .copy-btn.copied .copy-label::before { font-size: 0.74rem; }

/* When a copy button is present, the terminal-title hides on small screens. */
@media (max-width: 520px) {
  .terminal-bar .terminal-title { display: none; }
}

.install-status {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem 1.3rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--dark-line);
  border-radius: var(--radius);
}
.install-status p {
  margin: 0;
  color: var(--dark-fg-muted);
  font-size: 0.95rem;
  flex: 1;
  min-width: 240px;
}
.install-status a {
  color: var(--accent);
}
.install-status a:hover { color: var(--accent-2); }
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: rgba(242, 144, 48, 0.1);
  border: 1px solid rgba(242, 144, 48, 0.35);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  white-space: nowrap;
}
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: status-pulse 2s ease-in-out infinite;
}
@keyframes status-pulse {
  0%, 100% { opacity: 1;    transform: scale(1); }
  50%      { opacity: 0.55; transform: scale(0.85); }
}
@media (prefers-reduced-motion: reduce) {
  .status-dot { animation: none; }
}

/* ---- site footer (dark, multi-column) ---------------------------- */
.site-footer {
  background: #0a0a0a;
  color: var(--dark-fg);
  padding: clamp(3rem, 5vw, 4.5rem) clamp(1rem, 4vw, 2rem) 0;
  border-top: 1px solid var(--dark-line);
  margin-top: 0;
}

.footer-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2.2fr 1fr 1.3fr 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--dark-line);
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.footer-brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--dark-fg);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}
.footer-brand-mark:hover { color: var(--dark-fg); }
.footer-brand-mark .brand-dot { color: var(--accent); }

.footer-tagline {
  margin: 0;
  color: var(--dark-fg-muted);
  font-size: 0.93rem;
  line-height: 1.55;
  max-width: 36ch;
}

.footer-parent {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-top: 0.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--dark-line);
}
.footer-parent-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--dark-fg-dim);
}
.footer-parent-link {
  display: inline-block;
  line-height: 0;
}
.footer-parent-link img {
  height: 48px;
  width: auto;
  display: block;
  opacity: 0.85;
  transition: opacity 120ms ease, transform 120ms ease;
}
.footer-parent-link:hover img {
  opacity: 1;
  transform: scale(1.05);
}

.footer-col h4 {
  margin: 0 0 1.1rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.footer-col li {
  font-size: 0.92rem;
  color: var(--dark-fg-muted);
  line-height: 1.4;
}
.footer-col a {
  color: var(--dark-fg-muted);
  transition: color 120ms ease;
}
.footer-col a:hover { color: var(--accent); }

.footer-presence li {
  display: inline-block;
  padding: 0.25rem 0.55rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--dark-line);
  border-radius: 4px;
  font-size: 0.78rem;
  margin-right: 0.3rem;
  margin-bottom: 0.3rem;
}

.footer-bottom {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.4rem 0 1.6rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.footer-copy {
  margin: 0;
  font-size: 0.86rem;
  color: var(--dark-fg-dim);
}
.footer-copy em {
  font-style: italic;
  color: var(--dark-fg-muted);
}

.footer-social {
  display: flex;
  gap: 0.5rem;
}
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--dark-line);
  color: var(--dark-fg-muted);
  transition: background 120ms ease, border-color 120ms ease,
              color 120ms ease, transform 120ms ease;
}
.footer-social a:hover {
  background: rgba(242, 144, 48, 0.1);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.footer-social svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

@media (max-width: 880px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand-col { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand-col { grid-column: auto; }
  .footer-bottom { justify-content: center; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  .footer-social a:hover { transform: none; }
}

/* ---- mobile tweaks ------------------------------------------------ */
@media (max-width: 820px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero h1 { max-width: none; margin-left: auto; margin-right: auto; }
  .hero .lede { margin-left: auto; margin-right: auto; }
  .cta-row { justify-content: center; }
  .hero-art { aspect-ratio: 16 / 10; }
}
@media (max-width: 820px) {
  .vs-cards { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .topbar nav {
    gap: 0.9rem;
    font-size: 0.85rem;
  }
}

/* ---- doc page (/docs/:slug) -------------------------------------- */
.doc-body { background: var(--bg); }

/* 2-col layout: sidebar + main */
.doc-layout {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 3rem);
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1rem, 4vw, 2rem) 5rem;
  align-items: start;
}

.doc-sidebar {
  position: sticky;
  top: calc(64px + 1.5rem);   /* below the sticky topbar */
  padding-right: 0.5rem;
  border-right: 1px solid var(--line);
}
.doc-sidebar-eyebrow {
  margin: 0 0 1rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-deep);
}
.doc-sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.doc-sidebar-link {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--fg-muted);
  transition: background 120ms ease, color 120ms ease;
  text-decoration: none;
  border-left: 2px solid transparent;
}
.doc-sidebar-link:hover {
  background: var(--bg-soft);
  color: var(--fg);
}
.doc-sidebar-link.is-active {
  background: var(--accent-soft);
  border-left-color: var(--accent);
  color: var(--accent-deep);
  font-weight: 600;
}

.doc-main {
  min-width: 0;
  max-width: 760px;
}

.doc-head { margin-bottom: 2.5rem; }
.doc-head .doc-eyebrow {
  margin: 0 0 0.7rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-deep);
}
.doc-head h1 {
  margin: 0;
  font-size: clamp(2.1rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--fg);
  line-height: 1.15;
}

.doc-content {
  color: var(--fg);
  font-size: 1.02rem;
  line-height: 1.7;
}
.doc-content p {
  margin: 0 0 1.1em;
  max-width: 72ch;
}
.doc-content h2 {
  margin: 2.6rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 1.6rem;
  letter-spacing: -0.02em;
}
.doc-content h3 {
  margin: 1.8rem 0 0.7rem;
  font-size: 1.18rem;
  letter-spacing: -0.015em;
}
.doc-content h4 {
  margin: 1.4rem 0 0.5rem;
  font-size: 1rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--mono);
}
.doc-content ul, .doc-content ol {
  margin: 0 0 1.2em;
  padding-left: 1.5rem;
  max-width: 72ch;
}
.doc-content li { margin: 0.3em 0; }
.doc-content li > p { margin: 0.3em 0; }
.doc-content a {
  color: var(--accent-deep);
  text-decoration: underline;
  text-decoration-color: rgba(242, 144, 48, 0.35);
  text-underline-offset: 3px;
}
.doc-content a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

/* Inline code: pill-style */
.doc-content code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  color: var(--fg);
  padding: 0.08em 0.4em;
  border-radius: 4px;
}
/* Code blocks: dark, full width */
.doc-content pre {
  background: var(--dark-bg);
  color: var(--dark-fg);
  border: 1px solid var(--dark-line);
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem;
  margin: 0 0 1.4em;
  font-size: 0.84rem;
  line-height: 1.6;
  overflow-x: auto;
}
.doc-content pre code {
  background: transparent;
  border: 0;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

/* Tables */
.doc-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.6em;
  font-size: 0.93rem;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.doc-content th, .doc-content td {
  text-align: left;
  padding: 0.7rem 0.95rem;
  border-bottom: 1px solid var(--line);
}
.doc-content thead th {
  background: var(--bg-soft);
  font-family: var(--mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fg);
}
.doc-content tbody tr:last-child td { border-bottom: 0; }

/* Blockquote */
.doc-content blockquote {
  margin: 1.4em 0;
  padding: 0.6rem 1.1rem;
  border-left: 3px solid var(--accent);
  color: var(--fg-muted);
  background: var(--accent-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.doc-content blockquote p:last-child { margin-bottom: 0; }

/* Horizontal rules */
.doc-content hr {
  margin: 2.5rem 0;
  border: 0;
  border-top: 1px solid var(--line);
}

/* Doc footer */
.doc-foot {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  color: var(--fg-muted);
}
.doc-foot a { color: var(--accent-deep); }
.doc-foot a:hover { color: var(--accent); }

/* ---- docs index page (/docs) ------------------------------------- */
.docs-index-main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1rem, 4vw, 2rem) 5rem;
}
.docs-index-lede {
  margin: 1rem 0 0;
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 64ch;
}
.docs-index-grid {
  list-style: none;
  padding: 0;
  margin: 2.5rem 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}
.docs-index-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.4rem 1.5rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  color: var(--fg);
  text-decoration: none;
  transition: border-color 150ms ease, transform 150ms ease,
              box-shadow 150ms ease;
}
.docs-index-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(242, 144, 48, 0.10);
  color: var(--fg);
}
.docs-index-card-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--fg);
}
.docs-index-card-arrow {
  color: var(--accent);
  transition: transform 200ms ease;
}
.docs-index-card:hover .docs-index-card-arrow {
  transform: translateX(4px);
}
.docs-index-card-desc {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--fg-muted);
}

@media (max-width: 820px) {
  .doc-layout {
    grid-template-columns: 1fr;
  }
  .doc-sidebar {
    position: static;
    padding-right: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding-bottom: 1.5rem;
    margin-bottom: 1rem;
  }
  .doc-sidebar ul {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.3rem;
  }
  .doc-sidebar-link {
    padding: 0.4rem 0.65rem;
    border-left: 0;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 0.82rem;
  }
  .doc-sidebar-link.is-active {
    border-color: var(--accent);
    background: var(--accent-soft);
  }
}
@media (max-width: 600px) {
  .doc-content table { font-size: 0.84rem; }
  .doc-content pre { font-size: 0.76rem; padding: 0.95rem 1rem; }
}

/* ---- accessibility ----------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
  .btn:hover, .dl:hover, .extend-panel:hover { transform: none; }
  .hero-art::before { animation: none; opacity: 0.6; top: 50%; }
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}