/* Charter marketing site — design tokens lifted from the product's Studio (light) skin */

:root {
  --bg-app: #eceae5;        /* warm paper */
  --bg-panel: #f6f5f1;
  --bg-editor: #fbfaf7;
  --bg-card: #ffffff;
  --bg-chip: #edeae3;
  --bg-hover: #e8e5de;

  --fg: #201e1a;
  --fg-muted: #6e6a61;
  --fg-faint: #a39e94;

  --border: #e5e1d8;
  --border-strong: #cfcabf;

  --accent: #1b1a16;
  --accent-fg: #ffffff;

  --success: #2f9e63;
  --danger: #c4453d;
  --warning: #b06f10;
  --info: #3f7bd9;

  --ink: #171614;           /* product dark-skin base, used for the terminal block */
  --ink-panel: #22211e;
  --ink-fg: #e8e6e0;

  --radius-card: 14px;
  --radius-chip: 9px;

  --shadow-card: 0 1px 2px rgba(30, 26, 18, .05), 0 14px 40px rgba(30, 26, 18, .08);
  --shadow-window: 0 1px 2px rgba(30, 26, 18, .06), 0 24px 80px rgba(30, 26, 18, .16);

  --font-display: 'Charter', 'Iowan Old Style', 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', Menlo, Monaco, 'Cascadia Mono', 'Segoe UI Mono', monospace;

  --w-content: 1104px;
  --w-text: 720px;

  /* easing library (Linear-style) — micro-interactions use .16s + ease-out-quad */
  --ease-out-quad: cubic-bezier(.25, .46, .45, .94);
  --ease-out-quart: cubic-bezier(.165, .84, .44, 1);
  --ease-out-expo: cubic-bezier(.19, 1, .22, 1);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
  --ease-rise: cubic-bezier(.16, 1, .3, 1);

  /* layered physical shadow for the hero stage */
  --shadow-stage:
    0 0 0 1px rgba(30, 26, 18, .07),
    0 2.8px 2.2px rgba(30, 26, 18, .03),
    0 6.7px 5.3px rgba(30, 26, 18, .042),
    0 12.5px 10px rgba(30, 26, 18, .05),
    0 22.3px 17.9px rgba(30, 26, 18, .06),
    0 41.8px 33.4px rgba(30, 26, 18, .07),
    0 100px 80px rgba(30, 26, 18, .1);
}

/* ---------- base ---------- */

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg-app);
  color: var(--fg);
  font-family: var(--font-ui);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: rgba(47, 158, 99, .22); }

h1, h2, h3, .wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; }

a { color: inherit; }

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

code {
  font-family: var(--font-mono);
  font-size: .86em;
  background: var(--bg-chip);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: .08em .38em;
}

section { scroll-margin-top: 76px; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-fg);
  padding: 10px 16px;
  border-radius: 0 0 var(--radius-chip) 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

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

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 550;
  line-height: 1;
  padding: 13px 22px;
  border-radius: 10px;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background .16s var(--ease-out-quad), border-color .16s var(--ease-out-quad),
    transform .15s var(--ease-spring);
}

.btn:active { transform: scale(.97); }

.btn-primary {
  background: var(--accent);
  color: var(--accent-fg);
  box-shadow: 0 1px 2px rgba(30, 26, 18, .2), 0 6px 18px rgba(30, 26, 18, .14);
}
.btn-primary:hover { background: #33312b; transform: translateY(-1px); }

.btn-ghost {
  background: var(--bg-card);
  border-color: var(--border-strong);
  color: var(--fg);
}
.btn-ghost:hover { background: var(--bg-editor); border-color: var(--fg-faint); }

.btn-sm { padding: 9px 14px; font-size: 13.5px; border-radius: 8px; }

.ic { width: 16px; height: 16px; flex: none; }

.btn kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  padding: 3px 5.5px 4px;
  border-radius: 5px;
  margin-left: 2px;
}

.btn-primary kbd {
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .22);
  color: rgba(255, 255, 255, .85);
}

.btn-ghost kbd {
  background: var(--bg-chip);
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  color: var(--fg-muted);
}

.star-count {
  font-variant-numeric: tabular-nums;
  color: var(--fg-muted);
  border-left: 1px solid var(--border);
  padding-left: 8px;
  margin-left: 2px;
}

/* ---------- nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg-app) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .3s var(--ease-out-quad);
}

.nav.scrolled { box-shadow: 0 1px 2px rgba(30, 26, 18, .04), 0 8px 24px rgba(30, 26, 18, .06); }

.nav-inner {
  max-width: var(--w-content);
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.wordmark {
  font-size: 21px;
  font-weight: 650;
  text-decoration: none;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  gap: 22px;
  margin-left: 8px;
}

.nav-links a {
  font-size: 14.5px;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color .15s ease;
}
.nav-links a:hover { color: var(--fg); }

.nav-cta {
  margin-left: auto;
  display: flex;
  gap: 10px;
  align-items: center;
}

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

.hero {
  position: relative;
  padding: 92px 24px 40px;
  text-align: center;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  max-width: var(--w-content);
  margin: 0 auto;
  z-index: 1;
}

/* drifting warm light pools — bottom-weighted, resolving back to paper at the top */
.hero-glow {
  position: absolute;
  inset: -20%;
  z-index: 0;
  pointer-events: none;
  filter: blur(60px);
  will-change: transform;
  background:
    radial-gradient(36% 42% at 24% 74%, rgba(203, 131, 102, .30) 0, transparent 60%),
    radial-gradient(40% 46% at 76% 66%, rgba(138, 154, 132, .26) 0, transparent 62%),
    radial-gradient(34% 40% at 55% 88%, rgba(176, 111, 16, .16) 0, transparent 60%);
  mix-blend-mode: multiply;
  animation: flow-a 26s ease-in-out infinite alternate;
  /* light pools live in the lower half; the top resolves back to paper */
  mask-image: linear-gradient(to bottom, transparent 6%, black 56%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 6%, black 56%);
}

.hero-glow-b {
  background:
    radial-gradient(38% 44% at 64% 82%, rgba(216, 180, 140, .26) 0, transparent 60%),
    radial-gradient(32% 40% at 32% 60%, rgba(122, 132, 168, .13) 0, transparent 62%);
  animation: flow-b 34s ease-in-out infinite alternate;
}

@keyframes flow-a {
  0%   { transform: translate3d(-4%, -2%, 0) scale(1.05) rotate(0deg); }
  100% { transform: translate3d(5%, 3%, 0) scale(1.15) rotate(8deg); }
}

@keyframes flow-b {
  0%   { transform: translate3d(3%, 2%, 0) scale(1.1) rotate(0deg); }
  100% { transform: translate3d(-4%, -3%, 0) scale(1.02) rotate(-6deg); }
}

/* paper grain + dot lattice, fading out towards the fold */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(rgba(40, 36, 30, .07) 0 1px, transparent 1px) 50% 0 / 8px 8px,
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='256' height='256'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='256' height='256' filter='url(%23n)'/%3E%3C/svg%3E") repeat;
  background-blend-mode: normal, multiply;
  opacity: .35;
  mask-image: linear-gradient(to bottom, black 0, transparent 72%);
  -webkit-mask-image: linear-gradient(to bottom, black 0, transparent 72%);
}

/* hero entrance: staggered rise (JS-gated) */
html.js .hero-inner > .reveal {
  opacity: 0;
  transform: translateY(10px);
  animation: rise .9s var(--ease-rise) both;
}
html.js .hero-inner > .eyebrow { animation-delay: .05s; }
html.js .hero-inner > h1 { animation-delay: .14s; }
html.js .hero-inner > .hero-sub { animation-delay: .26s; }
html.js .hero-inner > .hero-cta { animation-delay: .36s; }
html.js .hero-inner > .hero-note { animation-delay: .44s; }
html.js .hero-inner > .hero-stage { animation-delay: .5s; animation-duration: 1.2s; }

@keyframes rise {
  from { opacity: 0; transform: translateY(10px) scale(.995); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13.5px;
  font-weight: 550;
  letter-spacing: .02em;
  color: var(--fg-muted);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 16px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(47, 158, 99, .35); }
  50%      { box-shadow: 0 0 0 5px rgba(47, 158, 99, 0); }
}

.hero h1 {
  font-size: clamp(42px, 6.4vw, 76px);
  line-height: 1.06;
  margin: 26px auto 0;
  max-width: 15em;
}

.hero-sub {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--fg-muted);
  max-width: 620px;
  margin: 22px auto 0;
}

.hero-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 32px;
  flex-wrap: wrap;
}

.hero-note {
  margin-top: 16px;
  font-size: 13.5px;
  color: var(--fg-faint);
}
.hero-note a { color: var(--fg-muted); }

/* ---------- hero stage: one delegation, four acts ---------- */

.hero-stage {
  margin: 60px auto 0;
  max-width: 1010px;
}

.stage-frame {
  position: relative;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--bg-panel);
  box-shadow: var(--shadow-stage);
}

.stage-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity .7s var(--ease-out-quart);
}

.stage-frame img.is-active { opacity: 1; }
/* no-JS fallback: show the final act */
html:not(.js) .stage-frame img:last-of-type { opacity: 1; }

.stage-rail {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.stage-step {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: none;
  background: none;
  padding: 6px 2px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--fg-faint);
  transition: color .16s var(--ease-out-quad);
}

.stage-step:hover { color: var(--fg-muted); }
.stage-step.is-active { color: var(--fg); }

.stage-meter {
  width: 26px;
  height: 3px;
  border-radius: 2px;
  background: var(--border-strong);
  overflow: hidden;
  flex: none;
}

.stage-meter::before {
  content: "";
  display: block;
  height: 100%;
  background: var(--warning);
  transform: scaleX(0);
  transform-origin: left;
}

.stage-step.is-active .stage-meter::before {
  animation: meter var(--stage-ms, 3600ms) linear forwards;
}

@keyframes meter { to { transform: scaleX(1); } }

.hero-stage figcaption {
  margin-top: 16px;
  font-size: 13.5px;
  color: var(--fg-faint);
}

/* floating screenshot card — the product's own title bar is the only chrome */

.window {
  background: var(--bg-editor);
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  box-shadow: var(--shadow-window);
  overflow: hidden;
}

.window-float { box-shadow: var(--shadow-card); }

/* ---------- keyword marquee ---------- */

.marquee {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
  padding: 14px 0;
  overflow: hidden;
  display: flex;
  gap: 44px;
  mask-image: linear-gradient(to right, transparent 0, black 72px, black calc(100% - 72px), transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0, black 72px, black calc(100% - 72px), transparent 100%);
}

.marquee-track {
  display: flex;
  gap: 44px;
  flex: none;
  align-items: center;
  animation: marquee 42s linear infinite;
}

.marquee:hover .marquee-track { animation-play-state: paused; }

@keyframes marquee { to { transform: translateX(calc(-100% - 44px)); } }

.marquee-track span {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--fg-muted);
  white-space: nowrap;
}

.marquee-track i {
  font-style: normal;
  color: color-mix(in srgb, var(--warning) 80%, var(--fg-faint));
}

/* ---------- why / thesis ---------- */

.why {
  max-width: var(--w-content);
  margin: 0 auto;
  padding: 96px 24px 84px;
}

.thesis {
  margin: 0 auto;
  max-width: var(--w-text);
}

.thesis p {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.2vw, 33px);
  line-height: 1.42;
  text-align: center;
}

.thesis em { font-style: italic; color: var(--fg); }

.thesis p.thesis-tag {
  margin-top: 26px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--warning);
}

/* ---------- three-way choice ---------- */

.choose-grid {
  list-style: none;
  max-width: var(--w-content);
  margin: 64px auto 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1.15fr 1fr;
  gap: 14px;
  align-items: stretch;
}

.choose-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 26px 24px;
}

.choose-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--fg-faint);
  margin-bottom: 12px;
}

.choose-card h3 { font-size: 21px; }

.choose-card > p:last-child {
  margin-top: 12px;
  color: var(--fg-muted);
  font-size: 14.5px;
  line-height: 1.6;
}

.choose-hl {
  border-color: color-mix(in srgb, var(--warning) 55%, var(--border-strong));
  background: color-mix(in srgb, var(--warning) 4%, var(--bg-card));
  box-shadow: var(--shadow-card), 0 0 0 3px color-mix(in srgb, var(--warning) 10%, transparent);
}

.choose-hl .choose-kicker { color: var(--warning); }

@media (max-width: 959px) {
  .choose-grid { grid-template-columns: 1fr; }
}

.equation {
  margin: 64px auto 0;
  max-width: 880px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: baseline;
  gap: 8px 6px;
  font-family: var(--font-mono);
  font-size: 15px;
}

.eq-lhs {
  font-weight: 700;
  font-size: 17px;
  padding: 6px 12px;
  background: var(--accent);
  color: var(--accent-fg);
  border-radius: var(--radius-chip);
}

.eq-op { color: var(--fg-faint); padding: 0 2px; }

.eq-term {
  padding: 5px 11px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-chip);
  color: var(--fg);
  white-space: nowrap;
}

.eq-term.hl {
  border-color: color-mix(in srgb, var(--success) 55%, var(--border));
  background: color-mix(in srgb, var(--success) 9%, var(--bg-card));
  color: color-mix(in srgb, var(--success) 80%, var(--fg));
  font-weight: 600;
}

.equation-caption {
  text-align: center;
  color: var(--fg-muted);
  font-size: 14.5px;
  margin-top: 20px;
}

/* ---------- tour ---------- */

.tour {
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
}

.tour-item {
  max-width: var(--w-content);
  margin: 0 auto;
  padding: 64px 24px;
  display: grid;
  grid-template-columns: minmax(300px, 5fr) 7fr;
  gap: 56px;
  align-items: center;
}

.tour-head { padding-top: 56px; }

.tour-flip .tour-copy { order: 2; }
.tour-flip .tour-shot { order: 1; }

.tour-kicker {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--warning);
  margin-bottom: 14px;
}

.tour-copy h3 {
  font-size: clamp(27px, 3vw, 36px);
  line-height: 1.18;
}

.tour-copy p {
  margin-top: 16px;
  color: var(--fg-muted);
  font-size: 16.5px;
}

.tour-copy strong { color: var(--fg); font-weight: 600; }

.tour-shot { margin: 0; }

.mode {
  font-family: var(--font-ui);
  font-size: .82em;
  font-weight: 600;
  padding: 2px 9px 3px;
  border-radius: 999px;
  background: var(--bg-chip);
  border: 1px solid var(--border-strong);
  color: var(--fg);
  white-space: nowrap;
}

.mode-full { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, var(--border-strong)); }

/* ---------- section head ---------- */

.section-head {
  max-width: var(--w-text);
  margin: 0 auto;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(30px, 3.6vw, 44px);
  line-height: 1.12;
}

.section-head p {
  margin-top: 16px;
  color: var(--fg-muted);
  font-size: 17px;
}

/* ---------- gates ---------- */

.gates {
  max-width: var(--w-content);
  margin: 0 auto;
  padding: 104px 24px 96px;
}

.gate-grid {
  list-style: none;
  margin: 56px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.gate-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 26px 22px 24px;
}

.gate-card::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -14px;
  width: 12px;
  height: 1px;
  background: var(--border-strong);
}
.gate-card:last-child::after { display: none; }

.gate-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--warning);
  letter-spacing: .08em;
}

.gate-card h3 {
  font-size: 21px;
  margin-top: 10px;
}

.gate-card p {
  margin-top: 10px;
  font-size: 14.5px;
  color: var(--fg-muted);
  line-height: 1.55;
}

.gates-note {
  margin: 36px auto 0;
  max-width: var(--w-text);
  text-align: center;
  color: var(--fg-muted);
  font-size: 15px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 16px 22px;
}

/* ---------- permissions ---------- */

.perm {
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 104px 24px 96px;
}

.perm-table {
  max-width: 880px;
  margin: 52px auto 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.perm-row {
  display: grid;
  grid-template-columns: 56px 172px 1fr 232px;
  gap: 16px;
  align-items: center;
  padding: 15px 22px;
  border-bottom: 1px solid var(--border);
  font-size: 14.5px;
}
.perm-row:last-child { border-bottom: none; }

.perm-level {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  color: var(--fg-muted);
}

.perm-name { font-weight: 600; }

.perm-desc { color: var(--fg-muted); }

.perm-verdict {
  font-size: 13px;
  font-weight: 600;
  text-align: right;
}

.perm-verdict.ok   { color: var(--success); }
.perm-verdict.ask  { color: var(--fg-muted); }
.perm-verdict.warn { color: var(--warning); }
.perm-verdict.no   { color: var(--danger); }

.perm-blocked {
  background: color-mix(in srgb, var(--danger) 4%, var(--bg-card));
}
.perm-blocked .perm-level, .perm-blocked .perm-name { color: var(--danger); }

.perm-note {
  text-align: center;
  margin-top: 20px;
  color: var(--fg-faint);
  font-size: 14px;
  font-style: italic;
}

/* ---------- security ---------- */

.security {
  max-width: var(--w-content);
  margin: 0 auto;
  padding: 104px 24px 96px;
}

.sec-grid {
  list-style: none;
  margin: 56px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.sec-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 28px 26px;
}

.sec-card h3 { font-size: 21px; }

.sec-card p {
  margin-top: 12px;
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.6;
}

.sec-note {
  margin: 32px auto 0;
  max-width: var(--w-text);
  text-align: center;
  font-size: 13.5px;
  color: var(--fg-faint);
}

/* ---------- the rest of the IDE ---------- */

.ide {
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  padding: 104px 24px 96px;
}

.ide-grid {
  list-style: none;
  max-width: var(--w-content);
  margin: 14px auto 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.ide-grid-featured {
  margin-top: 56px;
  grid-template-columns: 1fr 1fr;
}

.ide-card-shot {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.ide-card-shot figure {
  margin: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background: var(--bg-editor);
}

.ide-card-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
}

.ide-card-shot .ide-card-body {
  padding: 20px 22px;
}

.ide-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 22px 22px 20px;
  transition: border-color .15s ease, transform .15s ease;
}

.ide-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.ide-card h3 { font-size: 18px; }

.ide-card p {
  margin-top: 8px;
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.55;
}

@media (max-width: 1023px) {
  .ide-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  .ide-grid-featured { grid-template-columns: 1fr; }
}

@media (max-width: 639px) {
  .ide-grid { grid-template-columns: 1fr; }
}

/* ---------- get started ---------- */

.start {
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 104px 24px 96px;
}

.terminal {
  position: relative;
  max-width: 680px;
  margin: 48px auto 0;
  background: var(--ink);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-window);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 36px;
  padding: 0 14px;
  background: var(--ink-panel);
}

.terminal-bar i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: rgba(232, 230, 224, .18);
}

.terminal-bar span {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: rgba(232, 230, 224, .4);
  letter-spacing: .04em;
}

.terminal pre {
  margin: 0;
  padding: 22px 24px 24px;
  overflow-x: auto;
}

.terminal code {
  background: none;
  border: none;
  padding: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-fg);
}

.t-c { color: rgba(232, 230, 224, .38); }
.t-p { color: var(--success); user-select: none; }

.copy-btn {
  position: absolute;
  top: 4px;
  right: 10px;
  font-family: var(--font-ui);
  font-size: 12.5px;
  font-weight: 600;
  color: rgba(232, 230, 224, .75);
  background: rgba(232, 230, 224, .08);
  border: 1px solid rgba(232, 230, 224, .18);
  border-radius: 7px;
  padding: 6px 12px;
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.copy-btn:hover { background: rgba(232, 230, 224, .16); color: var(--ink-fg); }
.copy-btn.copied { color: var(--success); border-color: color-mix(in srgb, var(--success) 50%, transparent); }

.start-steps {
  max-width: 680px;
  margin: 40px auto 0;
  padding: 0 0 0 22px;
  display: grid;
  gap: 14px;
  color: var(--fg-muted);
  font-size: 15.5px;
}

.start-steps strong { color: var(--fg); }

.start-note {
  margin: 36px auto 0;
  text-align: center;
  font-size: 14.5px;
  color: var(--fg-muted);
}

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

.faq {
  max-width: 760px;
  margin: 0 auto;
  padding: 104px 24px 96px;
}

.faq h2 {
  text-align: center;
  font-size: clamp(30px, 3.6vw, 44px);
}

.faq-list {
  margin-top: 48px;
  display: grid;
  gap: 12px;
}

.faq details {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 0 24px;
  transition: border-color .15s ease;
}

.faq details[open] { border-color: var(--border-strong); }

.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 19px 0;
  font-weight: 600;
  font-size: 16.5px;
  font-family: var(--font-display);
}

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

.faq summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--fg-faint);
  transition: transform .2s ease;
  flex: none;
}

.faq details[open] summary::after { transform: rotate(45deg); }

.faq details p {
  padding: 0 0 22px;
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.65;
}

/* ---------- outro ---------- */

.outro {
  text-align: center;
  padding: 128px 24px 136px;
}

.outro h2 {
  font-size: clamp(38px, 5.4vw, 64px);
  line-height: 1.08;
}

.outro p {
  margin: 20px auto 0;
  color: var(--fg-muted);
  font-size: 18px;
  max-width: 520px;
}

.outro .hero-cta { margin-top: 36px; }

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

.footer {
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  padding: 56px 24px 40px;
}

.footer-inner {
  max-width: var(--w-content);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-brand .wordmark { font-size: 22px; }

.footer-brand p {
  margin-top: 10px;
  color: var(--fg-muted);
  font-size: 14px;
  max-width: 280px;
}

.footer-links {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}

.footer-links h4 {
  margin: 0 0 14px;
  font-size: 12.5px;
  font-weight: 650;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.footer-links a {
  display: block;
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 14.5px;
  padding: 4px 0;
}
.footer-links a:hover { color: var(--fg); }

.footer-fine {
  max-width: var(--w-content);
  margin: 44px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--fg-faint);
  font-size: 13px;
}

/* ---------- reveal animation (JS-gated so content is never hidden without JS) ---------- */

html.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .7s var(--ease-out-quart), transform .7s var(--ease-out-quart);
  transition-delay: calc(var(--i, 0) * 70ms);
}

html.js .reveal.in {
  opacity: 1;
  transform: none;
}

/* hero children animate via the rise keyframes instead */
html.js .hero-inner > .reveal { transition: none; }

/* cursor spotlight border (Linear-style): a masked bright border follows the pointer */
.spot { position: relative; }

.spot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid color-mix(in srgb, var(--warning) 65%, var(--border-strong));
  opacity: 0;
  transition: opacity .3s var(--ease-out-quad);
  pointer-events: none;
  mask-image: radial-gradient(180px 180px at var(--mx, 50%) var(--my, 50%),
    black 0%, rgba(0, 0, 0, .35) 45%, transparent 70%);
  -webkit-mask-image: radial-gradient(180px 180px at var(--mx, 50%) var(--my, 50%),
    black 0%, rgba(0, 0, 0, .35) 45%, transparent 70%);
}

.spot:hover::after { opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  .badge-dot { animation: none; }
  .hero-glow, .hero-glow-b { animation: none; }
  html.js .hero-inner > .reveal { animation: none; opacity: 1; transform: none; }
  .marquee-track { animation: none; }
  .stage-frame img { transition: none; }
  .stage-step.is-active .stage-meter::before { animation: none; transform: scaleX(1); }
}

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

@media (max-width: 1023px) {
  .gate-grid { grid-template-columns: 1fr 1fr; }
  .gate-card::after { display: none; }
}

@media (max-width: 959px) {
  .tour-item {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 56px 24px;
  }
  .tour-flip .tour-copy { order: 1; }
  .tour-flip .tour-shot { order: 2; }
  .sec-grid { grid-template-columns: 1fr; }
}

@media (max-width: 767px) {
  .nav-links { display: none; }
  .perm-row {
    grid-template-columns: 44px 1fr;
    grid-template-areas:
      "level name"
      "level desc"
      "level verdict";
    row-gap: 4px;
  }
  .perm-level { grid-area: level; }
  .perm-name { grid-area: name; }
  .perm-desc { grid-area: desc; font-size: 13.5px; }
  .perm-verdict { grid-area: verdict; text-align: left; margin-top: 2px; }
}

@media (max-width: 519px) {
  .hero { padding-top: 64px; }
  .gate-grid { grid-template-columns: 1fr; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .nav-cta .btn-ghost span:not(.star-count) { display: none; }
}