/* PerMark landing page. Tokens mirror src/styles/tokens.css */

:root {
  --bg: #ffffff;
  --surface: #f7f7f8;
  --surface-2: #ffffff;
  --border: #e6e6e9;
  --text: #1f2328;
  --muted: #656d76;
  --accent: #4f6bed;
  --accent-text: #3d55d6; /* accent for small text on bg: AA (6:1) */
  --accent-soft: rgba(79, 107, 237, 0.1);
  --live: rgba(79, 107, 237, 0.18); /* live-change highlight */
  --grad-a: #3d55d6;
  --grad-b: #6a7ff5;
  --btn-a: #4f6bed;
  --btn-b: #3a4fc9;
  --mod: #b7811a;
  --add: #2f9e44;
  --del: #d1453b;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 8px 24px -12px rgba(16, 24, 40, 0.12);
  --shot-shadow:
    0 40px 100px -30px rgba(58, 79, 201, 0.45), 0 12px 32px -16px rgba(16, 24, 40, 0.25);

  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;
  --r-ctl: 6px;
  --r-card: 10px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", "Cascadia Code", ui-monospace, Consolas, monospace;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16171a;
    --surface: #1d1f23;
    --surface-2: #1d1f23;
    --border: #2b2e34;
    --text: #e6e8eb;
    --muted: #9198a1;
    --accent: #7b93ff;
    --accent-text: #9aacff;
    --accent-soft: rgba(123, 147, 255, 0.12);
    --live: rgba(123, 147, 255, 0.18);
    --grad-a: #a9b8ff;
    --grad-b: #7b93ff;
    --mod: #d29922;
    --add: #3fb950;
    --del: #f85149;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px -12px rgba(0, 0, 0, 0.5);
    --shot-shadow:
      0 40px 120px -30px rgba(91, 116, 242, 0.45), 0 12px 32px -16px rgba(0, 0, 0, 0.6);
  }
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px; /* the sticky nav is 60px */
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "cv11", "ss01";
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
h1,
h2,
h3,
h4 {
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.02em;
  font-weight: 700;
}
p {
  margin: 0;
}
a {
  color: var(--accent-text);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover {
  text-decoration-thickness: 2px;
}
code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--accent-soft);
  padding: 0.1em 0.38em;
  border-radius: 4px;
}
kbd {
  font-family: var(--mono);
  font-size: 0.8em;
  display: inline-block;
  min-width: 1.7em;
  text-align: center;
  padding: 0.12em 0.45em;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--surface-2);
  color: var(--text);
  line-height: 1.5;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}
::selection {
  background: var(--live);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: absolute;
  left: var(--sp-4);
  top: -48px;
  z-index: 100;
  background: var(--text);
  color: var(--bg);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-ctl);
  text-decoration: none;
  font-weight: 600;
  transition: top 150ms var(--ease);
}
.skip-link:focus {
  top: var(--sp-3);
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--sp-5);
}
.container--wide {
  max-width: 1240px;
}
.center {
  text-align: center;
}
.small {
  font-size: 14.5px;
  color: var(--muted);
}

.icon {
  width: 18px;
  height: 18px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon path[fill] {
  stroke: none;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font: 600 15px/1 var(--font);
  padding: 12px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 150ms var(--ease),
    box-shadow 150ms var(--ease),
    background-color 150ms var(--ease),
    border-color 150ms var(--ease);
  white-space: nowrap;
}
.btn--sm {
  padding: 8px 12px;
  font-size: 14px;
}
.btn--lg {
  padding: 15px 24px;
  font-size: 16px;
}
.btn--primary {
  color: #fff;
  background: linear-gradient(180deg, var(--btn-a), var(--btn-b));
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.25) inset,
    0 8px 20px -8px rgba(58, 79, 201, 0.7);
}
.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.25) inset,
    0 12px 28px -8px rgba(58, 79, 201, 0.8);
  text-decoration: none;
}
.btn--primary:active {
  transform: translateY(0);
}
.btn--ghost {
  color: var(--text);
  background: var(--surface-2);
  border-color: var(--border);
}
.btn--ghost:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  text-decoration: none;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  height: 60px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16.5px;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
}
.nav__links {
  display: flex;
  gap: var(--sp-5);
  margin-left: auto;
}
.nav__links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  transition: color 150ms var(--ease);
}
.nav__links a:hover {
  color: var(--text);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: var(--sp-8) 0 var(--sp-8);
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  /* soft accent light from the top, plus a faint dotted "trail" texture */
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(55% 45% at 50% 0%, var(--live), transparent 70%),
    radial-gradient(30% 30% at 85% 30%, var(--accent-soft), transparent 70%),
    radial-gradient(30% 30% at 12% 40%, var(--accent-soft), transparent 70%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: radial-gradient(
    circle at 1px 1px,
    color-mix(in srgb, var(--accent) 22%, transparent) 1px,
    transparent 0
  );
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(60% 50% at 50% 10%, #000 20%, transparent 75%);
  mask-image: radial-gradient(60% 50% at 50% 10%, #000 20%, transparent 75%);
  opacity: 0.7;
}
.hero__inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero__logo {
  width: 72px;
  height: 72px;
  margin-bottom: var(--sp-5);
  filter: drop-shadow(0 10px 24px rgba(58, 79, 201, 0.35));
}
.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-text);
  margin-bottom: var(--sp-3);
}
.hero__title {
  font-size: clamp(32px, 6vw, 64px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.04;
  text-wrap: balance;
}
.hero__line {
  display: block;
}
.grad {
  background: linear-gradient(100deg, var(--grad-a) 10%, var(--grad-b) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__sub {
  margin-top: var(--sp-5);
  font-size: clamp(17px, 2.1vw, 20px);
  color: var(--muted);
  max-width: 40em;
  text-wrap: balance;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}
.hero__note {
  margin-top: var(--sp-4);
  font-size: 14px;
  color: var(--muted);
}

.shot {
  margin: var(--sp-8) 0 0;
  position: relative;
}
.shot::before {
  content: "";
  position: absolute;
  inset: 8% 6% -4%;
  z-index: -1;
  background: linear-gradient(120deg, var(--grad-b), var(--accent), var(--grad-a));
  filter: blur(70px);
  opacity: 0.28;
  border-radius: 40px;
}
.shot__frame {
  padding: 6px;
  border-radius: 16px;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface) 85%, var(--accent) 15%),
    var(--surface)
  );
  border: 1px solid var(--border);
  box-shadow: var(--shot-shadow);
}
.shot__frame img,
.shot__frame video {
  border-radius: 11px;
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--border);
}

/* The fork: two equal doors, each linking to its section. The whole card is the link. */
.doors {
  list-style: none;
  margin: var(--sp-7) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-5);
  text-align: left;
}
.door {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.door__title {
  font-size: 22px;
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-2);
}
.door__link {
  margin-top: var(--sp-4);
  font-weight: 600;
  text-decoration: none;
}
.door__link::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--r-card);
}
.door:hover .door__link {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}
.door__link:focus-visible {
  outline: none;
}
.door:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Two overlapping frames: the project view in front, a page of one document behind it. */
.duo {
  aspect-ratio: 25 / 16;
  margin-top: var(--sp-7);
}
.duo__frame {
  position: absolute;
  width: 84%;
  transition: transform 260ms var(--ease);
}
.duo__frame--page {
  left: 0;
  bottom: 0;
  z-index: 1;
}
.duo__frame--ide {
  right: 0;
  top: 0;
  z-index: 2;
}
@media (prefers-reduced-motion: no-preference) {
  /* Hovering or focusing a door brings its frame forward. Without motion, the project view stays in front. */
  .hero:has(.door--a:is(:hover, :focus-within)) .duo__frame--page {
    z-index: 3;
    transform: translateY(-12px);
  }
  .hero:has(.door--b:is(:hover, :focus-within)) .duo__frame--ide {
    transform: translateY(-12px);
  }
}

/* ---------- Sections ---------- */
.section {
  padding: 112px 0;
}
.section--tinted {
  background: linear-gradient(
    180deg,
    var(--surface),
    color-mix(in srgb, var(--surface) 60%, var(--bg))
  );
  border-block: 1px solid var(--border);
}
.section__head {
  max-width: 720px;
  margin-bottom: var(--sp-7);
}
.section h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  text-wrap: balance;
}
.lead {
  margin-top: var(--sp-4);
  font-size: 18.5px;
  color: var(--muted);
  max-width: 38em;
}
.lead--center {
  margin-left: auto;
  margin-right: auto;
}
.lead strong {
  color: var(--text);
  font-weight: 600;
}
.subhead {
  font-size: 22px;
  margin: var(--sp-8) 0 var(--sp-5);
}

/* Notes: a subsection of the documents section */
.notes {
  margin-top: var(--sp-8);
}
.notes__inner {
  border-top: 1px solid var(--border);
  padding-top: var(--sp-8);
}
.section__head--sub {
  margin-bottom: var(--sp-6);
}
.h-sub {
  font-size: clamp(24px, 3vw, 32px);
  text-wrap: balance;
}

/* The director's loop: Brief, Watch, Review, Steer */
.loop {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-5);
}
.loop__item {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: var(--sp-5);
  box-shadow: var(--shadow);
}
.loop__num {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font: 600 14px/1 var(--mono);
  color: var(--accent-text);
  background: var(--accent-soft);
  margin-bottom: var(--sp-4);
}
.loop__item h3 {
  font-size: 21px;
  margin-bottom: var(--sp-3);
}
.loop__item ul {
  margin: 0;
  padding-left: 1.1em;
  display: grid;
  gap: var(--sp-3);
  color: var(--muted);
  font-size: 15.5px;
}
.loop__item li::marker {
  color: var(--accent);
}

/* Why Markdown: a quiet page, in serif type */
.page {
  max-width: 44rem;
  margin: 0 auto;
  padding: var(--sp-7);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow);
  font-family: var(--serif);
}
.page .eyebrow {
  font-family: var(--font);
}
.section .page h2 {
  font-family: var(--serif);
  letter-spacing: -0.01em;
}
.page p:not(.eyebrow) {
  margin-top: var(--sp-5);
  font-size: 19.5px;
  line-height: 1.75;
}

/* Features */
.features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
.card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: var(--sp-6) var(--sp-5) var(--sp-5);
  box-shadow: var(--shadow);
  transition:
    transform 180ms var(--ease),
    border-color 180ms var(--ease);
}
.card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}
.card--accent {
  background: linear-gradient(180deg, var(--accent-soft), transparent 60%), var(--surface-2);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}
.card__icon {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-card);
  background: var(--accent-soft);
  color: var(--accent-text);
  margin-bottom: var(--sp-4);
}
.card__icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.card h3 {
  font-size: 18px;
  margin-bottom: var(--sp-2);
  letter-spacing: -0.015em;
}
.card p {
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.6;
}
.card strong {
  color: var(--text);
  font-weight: 600;
}
.footnote {
  display: flex;
  gap: var(--sp-3);
  align-items: flex-start;
  margin-top: var(--sp-6);
  padding: var(--sp-4) var(--sp-5);
  border: 1px dashed var(--border);
  border-radius: var(--r-card);
  color: var(--muted);
  font-size: 15px;
}
.footnote .icon {
  color: var(--accent-text);
  margin-top: 3px;
}
.footnote strong {
  color: var(--text);
}

/* ---------- Live showcase ---------- */
.live {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: var(--sp-8);
  align-items: center;
}
.checks {
  list-style: none;
  padding: 0;
  margin: var(--sp-5) 0 0;
  display: grid;
  gap: var(--sp-3);
}
.checks li {
  position: relative;
  padding-left: 30px;
  font-size: 16px;
}
.checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-soft)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234f6bed' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E")
    center / 11px no-repeat;
}

/* the two-column list of an editing or tags showcase */
.checks--cols {
  margin-top: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-4) var(--sp-7);
}

.demo {
  display: grid;
  grid-template-columns: 1fr 190px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-2);
  box-shadow: var(--shot-shadow);
  overflow: hidden;
  font-size: 14px;
}
.demo__doc {
  min-width: 0;
}
.demo__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.demo__file {
  font-weight: 600;
}
.demo__follow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}
.pulse,
.dot-live {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  box-shadow: 0 0 0 0 var(--live);
  animation: pulse 2s ease-out infinite;
}
.demo__body {
  padding: 20px 20px 24px;
  display: grid;
  gap: 10px;
}
.demo__h {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.02em;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2px;
}
.demo__p {
  line-height: 1.6;
  color: var(--text);
}
.demo__muted {
  color: var(--muted);
}
.demo__changed {
  margin: 0 -10px;
  padding: 6px 10px;
  border-radius: 6px;
  animation: glow 8s var(--ease) infinite;
}
.demo__removed {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  justify-self: start;
  font-size: 12px;
  color: var(--muted);
  border: 1px dashed color-mix(in srgb, var(--del) 55%, var(--border));
  border-radius: 999px;
  padding: 2px 10px 2px 8px;
}
.demo__removed span {
  color: var(--del);
  font-weight: 700;
}

.demo__feed {
  border-left: 1px solid var(--border);
  background: var(--surface);
  padding: 12px 10px;
}
.demo__feedtitle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0 6px 10px;
}
.demo__feed ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.feed-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: start;
  padding: 7px 6px;
  border-radius: 6px;
  font-size: 13px;
  overflow: hidden;
}
.feed-item__name {
  display: grid;
  line-height: 1.3;
  min-width: 0;
}
.feed-item__name small {
  color: var(--muted);
  font-size: 11px;
}
.feed-item__time {
  color: var(--muted);
  font-size: 11px;
  padding-top: 2px;
}
.badge {
  display: inline-grid;
  place-items: center;
  width: 16px;
  height: 16px;
  margin-top: 1px;
  border-radius: 4px;
  font: 700 10px/1 var(--mono);
  color: #fff;
}
.badge--mod {
  background: var(--mod);
}
.badge--add {
  background: var(--add);
}
.feed-item--new {
  animation: feed-in 8s var(--ease) infinite;
}

@keyframes glow {
  0%,
  8% {
    background-color: transparent;
    box-shadow: inset 3px 0 0 transparent;
    opacity: 0.25;
  }
  14% {
    background-color: var(--live);
    box-shadow: inset 3px 0 0 var(--accent);
    opacity: 1;
  }
  20% {
    background-color: var(--live);
    box-shadow: inset 3px 0 0 var(--accent);
    opacity: 1;
  }
  52%,
  94% {
    background-color: transparent;
    box-shadow: inset 3px 0 0 transparent;
    opacity: 1;
  }
  100% {
    background-color: transparent;
    box-shadow: inset 3px 0 0 transparent;
    opacity: 0.25;
  }
}
@keyframes feed-in {
  0%,
  10% {
    max-height: 0;
    opacity: 0;
    transform: translateY(-6px);
    padding-block: 0;
    background-color: transparent;
  }
  16% {
    max-height: 60px;
    opacity: 1;
    transform: none;
    padding-block: 7px;
    background-color: var(--live);
  }
  50% {
    background-color: transparent;
  }
  90% {
    max-height: 60px;
    opacity: 1;
    transform: none;
    padding-block: 7px;
  }
  100% {
    max-height: 0;
    opacity: 0;
    transform: translateY(-6px);
    padding-block: 0;
  }
}
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 var(--live);
  }
  70% {
    box-shadow: 0 0 0 7px transparent;
  }
  100% {
    box-shadow: 0 0 0 0 transparent;
  }
}

/* ---------- Works with ---------- */
.chips {
  list-style: none;
  padding: 0;
  margin: var(--sp-6) auto 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-3);
  max-width: 760px;
}
.chip {
  font: 500 15px/1 var(--mono);
  padding: 11px 16px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.chip--none {
  font-family: var(--font);
  font-style: italic;
  color: var(--accent-text);
  border-style: dashed;
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  background: var(--accent-soft);
  box-shadow: none;
}

/* ---------- Install ---------- */
.install {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
}
.panel {
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: var(--sp-6);
  background: var(--surface-2);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  align-items: flex-start;
  min-width: 0;
}
.panel h3 {
  font-size: 21px;
}
.panel h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0;
  margin-top: var(--sp-2);
}
.panel > p {
  color: var(--muted);
  font-size: 15.5px;
}
.code {
  position: relative;
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
}
.code pre {
  margin: 0;
  padding: var(--sp-4) var(--sp-5);
  overflow-x: auto;
}
.code code {
  background: none;
  padding: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text);
}
.c-cmd {
  color: var(--accent-text);
  font-weight: 500;
}
.c-com {
  color: var(--muted);
}
.code__copy {
  position: absolute;
  top: 8px;
  right: 8px;
  font: 500 12px/1 var(--font);
  color: var(--muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-ctl);
  padding: 6px 9px;
  cursor: pointer;
  transition:
    color 150ms var(--ease),
    border-color 150ms var(--ease);
}
.code__copy:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}
.code__copy[data-state="done"] {
  color: var(--add);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow);
}
.keys {
  width: 100%;
  border-collapse: collapse;
  font-size: 15.5px;
  background: var(--surface-2);
}
.keys th {
  text-align: left;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface);
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
}
.keys td {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.keys tr:last-child td {
  border-bottom: 0;
}
.keys__group th {
  border-top: 1px solid var(--border);
}
.keys__group:first-child th {
  border-top: 0;
}
.keys tbody tr:nth-child(even) td {
  background: color-mix(in srgb, var(--surface) 55%, transparent);
}
.keys td:last-child {
  white-space: nowrap;
  color: var(--muted);
}

/* ---------- Roadmap ---------- */
.roadmap {
  list-style: none;
  margin: 0 0 var(--sp-6);
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5);
}
.milestone {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: var(--sp-6) var(--sp-5) var(--sp-5);
  background: var(--surface-2);
}
.milestone__tag {
  display: inline-block;
  font: 600 13px/1 var(--mono);
  color: #fff;
  background: linear-gradient(180deg, var(--btn-a), var(--btn-b));
  padding: 6px 10px;
  border-radius: 999px;
  margin-bottom: var(--sp-4);
}
.milestone__tag--later {
  background: transparent;
  color: var(--accent-text);
  border: 1px solid color-mix(in srgb, var(--accent) 50%, var(--border));
}
.milestone ul {
  margin: 0;
  padding-left: 1.1em;
  display: grid;
  gap: var(--sp-3);
  color: var(--muted);
  font-size: 15.5px;
}
.milestone li::marker {
  color: var(--accent);
}
.milestone strong {
  color: var(--text);
  font-weight: 600;
}
.milestone__state {
  margin-left: var(--sp-2);
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}

/* ---------- Plain text pages (privacy policy) ---------- */
.legal {
  padding: var(--sp-8) 0 112px;
}
.legal__body {
  max-width: 44rem;
}
.legal h1 {
  font-size: clamp(32px, 4.4vw, 46px);
  text-wrap: balance;
}
.legal h2 {
  font-size: 22px;
  margin: var(--sp-7) 0 0;
}
.legal p,
.legal ul {
  margin: var(--sp-3) 0 0;
}
.legal ul {
  padding-left: 1.25em;
}
.legal li + li {
  margin-top: var(--sp-3);
}
.legal__updated {
  font-size: 14.5px;
  color: var(--muted);
}

/* ---------- CTA + footer ---------- */
.cta {
  padding: 112px 0;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(50% 70% at 50% 100%, var(--live), transparent 70%);
}
.cta h2 {
  font-size: clamp(28px, 4vw, 44px);
  max-width: 18ch;
  margin: 0 auto;
  text-wrap: balance;
}

.footer {
  border-top: 1px solid var(--border);
  padding: var(--sp-6) 0;
  font-size: 14px;
  color: var(--muted);
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}
.footer a {
  color: var(--muted);
}
.footer a:hover {
  color: var(--text);
}
.footer .brand {
  color: var(--text);
  font-size: 15px;
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
  .live {
    grid-template-columns: 1fr;
    gap: var(--sp-7);
  }
  .loop {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .roadmap {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 760px) {
  body {
    font-size: 16px;
  }
  .checks--cols {
    grid-template-columns: 1fr;
  }
  .section,
  .cta {
    padding: 72px 0;
  }
  .legal {
    padding: var(--sp-7) 0 72px;
  }
  .doors {
    grid-template-columns: 1fr;
  }
  .notes {
    margin-top: var(--sp-7);
  }
  .notes__inner {
    padding-top: var(--sp-7);
  }
  .page {
    padding: var(--sp-6) var(--sp-5);
  }
  .install {
    grid-template-columns: 1fr;
  }
  .nav__links {
    display: none;
  }
  .nav .btn {
    margin-left: auto;
  }
  .shot {
    margin-top: var(--sp-7);
  }
}
@media (max-width: 560px) {
  .container {
    padding: 0 var(--sp-4);
  }
  .features,
  .loop {
    grid-template-columns: 1fr;
  }
  .hero {
    padding-top: var(--sp-7);
  }
  .hero__cta {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 360px;
  }
  .hero__cta .btn {
    white-space: normal;
    text-align: center;
    line-height: 1.25;
  }
  .page {
    padding: var(--sp-5) var(--sp-4);
  }
  .page p:not(.eyebrow) {
    font-size: 18px;
  }
  .duo {
    aspect-ratio: 100 / 68;
  }
  .duo__frame {
    width: 76%;
  }
  .demo {
    grid-template-columns: 1fr;
  }
  .demo__feed {
    border-left: 0;
    border-top: 1px solid var(--border);
  }
  .panel {
    padding: var(--sp-5) var(--sp-4);
  }
  .panel .btn {
    white-space: normal;
    text-align: center;
    line-height: 1.25;
  }
  .keys th,
  .keys td {
    padding: 10px 12px;
  }
  .keys td:last-child {
    white-space: normal;
  }
  .shot__frame {
    padding: 4px;
    border-radius: 12px;
  }
  .shot__frame img {
    border-radius: 8px;
  }
  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---------- Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
  }
  .pulse,
  .dot-live,
  .feed-item--new {
    animation: none;
  }
  .feed-item--new {
    background-color: var(--live);
  }
  .demo__changed {
    animation: none;
    background-color: var(--live);
    box-shadow: inset 3px 0 0 var(--accent);
  }
}