/* ==========================================================================
   berth — site.css
   One plain stylesheet: tokens, layout primitives, components.
   Scales: spacing 4/8/12/16/24/32/48/64/96 · one type scale · 1120px container
   ========================================================================== */

/* --- Tokens: primitives --------------------------------------------------- */

:root {
  color-scheme: light;

  /* spacing scale */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;
  --sp-9: 96px;

  /* type scale */
  --fs-xs: 0.8125rem;   /* 13px — captions, chips, labels */
  --fs-sm: 0.875rem;    /* 14px — table cells, nav, secondary UI */
  --fs-base: 1rem;      /* 16px — body */
  --fs-md: 1.0625rem;   /* 17px — card titles, lead-in prose */
  --fs-lg: 1.3125rem;   /* 21px — h3 */
  --fs-xl: 1.75rem;     /* 28px — h2 */
  --fs-2xl: 2.25rem;    /* 36px — page h1 */
  --fs-3xl: 3.25rem;    /* 52px — landing h1, fluid */

  /* neutrals */
  --n-0: #ffffff;
  --n-25: #fbfcfe;
  --n-50: #f5f7fb;
  --n-100: #eef1f7;
  --n-200: #e2e7ef;
  --n-300: #ccd4e0;
  --n-500: #6a7487;
  --n-600: #4c5667;
  --n-800: #1d2635;
  --n-900: #0f1725;

  /* accent ramp (single hue family, used for links, one primary action, tints) */
  --a-50: #eef3fe;
  --a-200: #c6d7fa;
  --a-600: #1f52bd;
  --a-700: #1b47a4;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* --- Tokens: semantic (light) --- */
  --bg: var(--n-0);
  --bg-subtle: var(--n-50);
  --surface: var(--n-0);
  --surface-2: var(--n-50);
  --border: var(--n-200);
  --border-strong: var(--n-300);
  --text: var(--n-900);
  --text-muted: var(--n-600);
  --text-subtle: var(--n-500);
  --accent: var(--a-600);
  --accent-hover: var(--a-700);
  --accent-soft: var(--a-50);
  --accent-soft-border: var(--a-200);
  --accent-solid: var(--a-600);
  --accent-solid-hover: var(--a-700);
  --on-accent: #ffffff;
  --focus: var(--a-600);
  --code-bg: var(--n-50);
  --code-border: var(--n-200);
  --code-text: var(--n-800);
  --header-bg: rgba(255, 255, 255, 0.88);
  --hero-glow: rgba(31, 82, 189, 0.07);
  --hero-glow-2: rgba(56, 140, 255, 0.08);
  --shadow-lift: 0 18px 40px -24px rgba(16, 24, 40, 0.35), 0 2px 8px rgba(16, 24, 40, 0.06);
  --shadow-frame: 0 30px 70px -28px rgba(16, 24, 40, 0.45), 0 2px 10px rgba(16, 24, 40, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;

    --bg: #101419;
    --bg-subtle: #151a21;
    --surface: #151a21;
    --surface-2: #171d25;
    --border: #262e39;
    --border-strong: #384454;
    --text: #e8edf4;
    --text-muted: #a9b5c3;
    --text-subtle: #93a0b0;
    --accent: #90b4ff;
    --accent-hover: #b0caff;
    --accent-soft: #17223a;
    --accent-soft-border: #2b3d61;
    --accent-solid: #90b4ff;
    --accent-solid-hover: #aac5ff;
    --on-accent: #0e1523;
    --focus: #90b4ff;
    --code-bg: #161c24;
    --code-border: #262e39;
    --code-text: #dde5f0;
    --header-bg: rgba(16, 20, 25, 0.86);
    --hero-glow: rgba(144, 180, 255, 0.09);
    --hero-glow-2: rgba(84, 148, 255, 0.1);
    --shadow-lift: 0 18px 40px -24px rgba(0, 0, 0, 0.75), 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-frame: 0 30px 70px -28px rgba(0, 0, 0, 0.85), 0 2px 10px rgba(0, 0, 0, 0.5);
  }
}

/* --- Base ---------------------------------------------------------------- */

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-wrap: break-word;
}

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

a {
  color: var(--accent);
  text-decoration-line: underline;
  text-decoration-thickness: from-font;
  text-underline-offset: 0.16em;
  text-decoration-skip-ink: auto;
}

a:hover { color: var(--accent-hover); }

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

::selection { background: var(--accent-soft); color: var(--text); }

h1, h2, h3, h4 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.015em;
  font-weight: 650;
  text-wrap: balance;
}

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

ul, ol { margin: 0; padding-inline-start: 1.25em; }

hr { border: 0; border-top: 1px solid var(--border); margin: 0; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* --- Layout primitives --------------------------------------------------- */

.wrap {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: var(--sp-6);
}

.section { padding-block: clamp(48px, 6vw, 96px); }
.section + .section { padding-block-start: 0; }
.section--band {
  background: var(--bg-subtle);
  border-block: 1px solid var(--border);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-block-end: var(--sp-6);
}

.section-head h2 {
  font-size: clamp(1.5rem, 1.15rem + 1.1vw, var(--fs-xl));
}

.section-head p {
  color: var(--text-muted);
  font-size: var(--fs-md);
  max-width: 68ch;
}

.eyebrow {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

.skip-link {
  position: absolute;
  inset-inline-start: var(--sp-4);
  top: -60px;
  z-index: 20;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-sm);
  transition: top 0.15s ease;
}

.skip-link:focus-visible { top: var(--sp-3); }

/* --- Header ------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--header-bg);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-block-end: 1px solid var(--border);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2) var(--sp-6);
  min-height: 60px;
  padding-block: var(--sp-2);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--text);
  text-decoration: none;
  font-weight: 680;
  font-size: 1.0625rem;
  letter-spacing: -0.015em;
}

.brand-mark { flex: none; color: var(--accent); }
.brand:hover { color: var(--text); }

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-1) var(--sp-3);
}

.site-nav a {
  display: inline-block;
  padding: var(--sp-1) var(--sp-2);
  border-radius: 7px;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  text-decoration: none;
}

.site-nav a:hover { color: var(--text); background: var(--surface-2); }
.site-nav a[aria-current="page"] { color: var(--text); font-weight: 600; }

.nav-github {
  display: inline-flex !important;
  align-items: center;
  gap: var(--sp-2);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text) !important;
}

.nav-github:hover { border-color: var(--text-subtle); background: var(--surface); }
.nav-lang { border: 1px solid var(--border); }

.nav-docs-more { display: none; }
@media (max-width: 900px) {
  .site-nav .nav-docs { display: none; }
  .site-nav .nav-docs-more { display: inline-block; }
}

@media (max-width: 480px) {
  .wrap { padding-inline: var(--sp-4); }
  .header-inner { gap: var(--sp-1) var(--sp-3); }
  .site-nav { gap: 2px var(--sp-2); }
  .site-nav a { padding-inline: var(--sp-1); }
}

/* --- Buttons ------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-5);
  border-radius: 10px;
  border: 1px solid transparent;
  font: inherit;
  font-size: var(--fs-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-solid);
  color: var(--on-accent);
  border-color: var(--accent-solid);
}

.btn-primary:hover { background: var(--accent-solid-hover); color: var(--on-accent); }

.btn-ghost {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-ghost:hover { border-color: var(--text-subtle); color: var(--text); }

.link-more {
  font-size: var(--fs-sm);
  font-weight: 600;
  text-decoration: none;
}

.link-more:hover { text-decoration: underline; }

/* --- Landing: panels, agents, motion ------------------------------------ */

.panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
}

@media (min-width: 640px) {
  .panels { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1000px) {
  .panels { grid-template-columns: repeat(4, 1fr); gap: var(--sp-5); }
}

.panel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-5);
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}

.panel-tag {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.panel h3 { font-size: var(--fs-base); font-weight: 650; }

.panel-note { color: var(--text-muted); font-size: var(--fs-sm); }

.panel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-2) var(--sp-3);
}

.panel-list li {
  display: grid;
  grid-template-columns: 16px 1fr;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.panel-list svg { color: var(--accent); }

@media (min-width: 1000px) {
  .panel:not(:last-child)::before {
    content: "";
    position: absolute;
    inset-inline-end: -21px;
    inset-block-start: 50%;
    width: 18px;
    height: 1px;
    background: var(--border-strong);
  }
  .panel:not(:last-child)::after {
    content: "";
    position: absolute;
    inset-inline-end: -12px;
    inset-block-start: calc(50% - 3px);
    width: 6px;
    height: 6px;
    border-block-start: 1px solid var(--border-strong);
    border-inline-end: 1px solid var(--border-strong);
    transform: rotate(45deg);
  }
}

.agents {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  align-items: center;
  margin-block-start: var(--sp-5);
}

.agent {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font-size: var(--fs-sm);
  white-space: nowrap;
}

.agent-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 1px solid var(--accent-soft-border);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.6875rem;
  font-weight: 700;
}

.quote-line {
  margin-block-start: var(--sp-5);
  padding-inline-start: var(--sp-4);
  border-inline-start: 2px solid var(--accent-soft-border);
  color: var(--text-muted);
  font-size: var(--fs-sm);
}

/* Motion layer: only ever active when the visitor allows motion. */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translate3d(0, 16px, 0);
    transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.2, 0.7, 0.3, 1);
  }

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

  .hero-grid > * {
    animation: rise 0.75s cubic-bezier(0.2, 0.7, 0.3, 1) both;
  }

  .hero-grid > *:nth-child(2) { animation-delay: 0.1s; }

  .hero-orb { animation: drift 24s ease-in-out infinite alternate; }

  .card {
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .copy { transition: opacity 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease; }
  .copy[data-copied] { transform: scale(1.05); }

  @media (hover: hover) and (pointer: fine) {
    .card:hover,
    .card.reveal.is-visible:hover {
      transform: translateY(-2px);
      border-color: var(--border-strong);
      box-shadow: var(--shadow-lift);
    }
  }
}

@keyframes rise {
  from { opacity: 0; transform: translate3d(0, 18px, 0); }
  to { opacity: 1; transform: none; }
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(-24px, 18px, 0) scale(1.06); }
}

/* --- Utilities ---------------------------------------------------------- */

.mt-6 { margin-block-start: var(--sp-6); }
.mt-7 { margin-block-start: var(--sp-7); }
.measure-sm { max-width: 760px; }

/* --- Hero --------------------------------------------------------------- */

.hero {
  position: relative;
  overflow: hidden;
  overflow: clip;
  padding-block: clamp(40px, 6vw, 72px) clamp(40px, 6vw, 80px);
  background: var(--bg);
  border-block-end: 1px solid var(--border);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(820px 440px at 10% -8%, var(--hero-glow), transparent 68%),
    radial-gradient(660px 500px at 92% 6%, var(--hero-glow-2), transparent 64%);
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  z-index: 0;
  inset-block-start: -190px;
  inset-inline-end: -140px;
  width: min(620px, 70vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, var(--hero-glow-2), transparent 68%);
  filter: blur(6px);
  pointer-events: none;
}

.hero .wrap { position: relative; z-index: 1; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
  align-items: center;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.hero h1 {
  font-size: clamp(2.5rem, 1.3rem + 5.4vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.hero .lede {
  font-size: clamp(1.0625rem, 0.98rem + 0.4vw, 1.25rem);
  color: var(--text-muted);
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3) var(--sp-4);
  margin-block-start: clamp(24px, 3.4vw, 44px);
}

.hero-actions .cmd {
  flex: 1 1 380px;
  max-width: 640px;
}

.chips { margin-block-start: var(--sp-4); }

@media (max-width: 900px) {
  .hero-actions .cmd { flex: 1 1 100%; max-width: none; }
}

@media (max-width: 520px) {
  .hero-actions .cmd { flex-wrap: wrap; }
  .hero-actions .cmd code {
    flex: 1 1 auto;
    font-size: 0.75rem;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    overflow-x: visible;
  }
  .hero-actions .cmd .copy { margin-inline-start: auto; }
}

@media (min-width: 1000px) {
  .hero {
    display: flex;
    align-items: center;
    min-height: min(92vh, 900px);
    padding-block: var(--sp-7);
  }
  .hero-grid { grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); }
}

.hero-shot-label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  margin-block-end: var(--sp-3);
  color: var(--text-subtle);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.hero-shot-label svg { color: var(--accent); }

.terminal {
  position: relative;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #0f1319;
  box-shadow: var(--shadow-frame);
  overflow: hidden;
}

.terminal img {
  width: 100%;
  height: auto;
  display: block;
  background: #0f1319;
}

.terminal::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.09);
  pointer-events: none;
}

@media (min-width: 1000px) {
  .terminal { transform: perspective(1600px) rotateX(1.6deg); }
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  list-style: none;
  padding: 0;
  margin: var(--sp-2) 0 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1) var(--sp-3);
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-muted);
  font-size: var(--fs-xs);
  white-space: nowrap;
}

.chip svg { flex: none; color: var(--text-subtle); }

/* --- Command pill / copyable code --------------------------------------- */

.cmd {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  min-width: 0;
  max-width: 100%;
  padding: var(--sp-2) var(--sp-2) var(--sp-2) var(--sp-4);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--code-bg);
}

.cmd-prompt {
  flex: none;
  color: var(--text-subtle);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  user-select: none;
}

.cmd code {
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--code-text);
  padding-block: var(--sp-1);
}

.code {
  position: relative;
  border: 1px solid var(--code-border);
  border-radius: 12px;
  background: var(--code-bg);
}

.code pre {
  margin: 0;
  padding: var(--sp-4);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.84375rem;  /* 13.5px */
  line-height: 1.7;
  tab-size: 2;
  color: var(--code-text);
}

.code pre code {
  font-family: inherit;
  font-size: inherit;
  white-space: pre;
}

.code--flush pre { padding-block-start: var(--sp-2); }

:not(pre) > code {
  padding: 0.1em 0.36em;
  border: 1px solid var(--code-border);
  border-radius: 6px;
  background: var(--code-bg);
  color: var(--code-text);
  font-family: var(--font-mono);
  font-size: 0.875em;
}

.copy {
  position: absolute;
  top: var(--sp-2);
  inset-inline-end: var(--sp-2);
  z-index: 1;
  padding: var(--sp-1) var(--sp-3);
  border: 1px solid var(--border-strong);
  border-radius: 7px;
  background: var(--surface);
  color: var(--text-muted);
  font: inherit;
  font-size: var(--fs-xs);
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.copy:hover { color: var(--text); border-color: var(--text-subtle); }

@media (hover: hover) and (pointer: fine) {
  .copy { opacity: 0; }
  .code:hover .copy,
  .copy:focus-visible,
  .copy[data-copied] { opacity: 1; }
}

.cmd .copy { position: static; flex: none; }

.copy[data-copied] { color: var(--accent); border-color: var(--accent-soft-border); }

.hero-actions .cmd .copy { opacity: 1; }

/* --- Steps -------------------------------------------------------------- */

.steps {
  display: grid;
  gap: var(--sp-7);
  max-width: 860px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.step { display: flex; flex-direction: column; gap: var(--sp-3); }

.step-head { display: flex; align-items: baseline; gap: var(--sp-3); }

.step-num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-soft-border);
  color: var(--accent);
  font-size: var(--fs-xs);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  transform: translateY(3px);
}

.step h3 { font-size: var(--fs-md); }

.step p { color: var(--text-muted); max-width: 66ch; }

/* --- Cards & grids ------------------------------------------------------ */

.grid {
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid-3, .grid-6 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 760px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1000px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
}

.card {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-5);
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}

.card h3 { font-size: var(--fs-md); letter-spacing: -0.01em; }
.card p { color: var(--text-muted); font-size: var(--fs-sm); }
.card > p:last-child { margin-block-end: 0; }

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--accent-soft-border);
  background: var(--accent-soft);
  color: var(--accent);
}

.card--plain { background: var(--bg); }

.card-tag {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

/* --- Media / figures ---------------------------------------------------- */

.shot {
  margin: 0;
  max-width: 900px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  overflow: hidden;
}

.shot img { width: 100%; height: auto; }

.shot--diagram { max-width: 880px; background: var(--surface); }

.shot figcaption {
  padding: var(--sp-3) var(--sp-4);
  border-block-start: 1px solid var(--border);
  color: var(--text-subtle);
  font-size: var(--fs-xs);
}

/* --- Comparison table --------------------------------------------------- */

.table-wrap { overflow-x: auto; }

.table {
  width: 100%;
  min-width: 40rem;
  border-collapse: collapse;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  font-size: var(--fs-sm);
  background: var(--surface);
}

.table-hint {
  margin: var(--sp-2) 0 0;
  color: var(--text-subtle);
  font-size: var(--fs-xs);
}

.table caption {
  caption-side: bottom;
  padding-block-start: var(--sp-3);
  color: var(--text-subtle);
  font-size: var(--fs-xs);
  text-align: start;
}

.table th,
.table td {
  padding: var(--sp-3) var(--sp-4);
  text-align: start;
  vertical-align: top;
  border-block-end: 1px solid var(--border);
  border-inline-end: 1px solid var(--border);
}

.table th:last-child,
.table td:last-child { border-inline-end: 0; }

.table tbody tr:last-child th,
.table tbody tr:last-child td { border-block-end: 0; }

.table thead th {
  background: var(--surface-2);
  font-size: var(--fs-xs);
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-subtle);
  white-space: nowrap;
}

.table th[scope="row"] {
  font-weight: 600;
  color: var(--text);
  background: var(--surface-2);
}

.table td { color: var(--text-muted); }

.table .col-accent { background: var(--accent-soft); color: var(--text); }
.table thead .col-accent { color: var(--accent); }

@media (max-width: 639px) {
  .table-wrap { overflow-x: visible; }
  .table,
  .table tbody,
  .table tr,
  .table th,
  .table td { display: block; width: 100%; }

  .table { min-width: 0; border: 0; background: transparent; }
  .table thead { display: none; }
  .table tbody tr {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    padding: var(--sp-4);
    margin-block-end: var(--sp-3);
  }
  .table tbody tr:last-child { margin-block-end: 0; }
  .table th,
  .table td,
  .table th[scope="row"] {
    border: 0;
    background: transparent;
    padding: 0;
  }
  .table th[scope="row"] {
    font-size: var(--fs-md);
    margin-block-end: var(--sp-3);
  }
  .table td {
    display: block;
    padding-block: var(--sp-2);
    border-block-start: 1px solid var(--border);
  }
  .table td::before {
    content: attr(data-label);
    display: block;
    margin-block-end: 2px;
    font-size: var(--fs-xs);
    font-weight: 650;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-subtle);
  }
  @media (max-width: 639px) {
    .table-hint { display: none; }
  }

  .table caption { caption-side: top; padding: 0 0 var(--sp-3); }
}

/* --- FAQ ---------------------------------------------------------------- */

.faq { display: grid; gap: var(--sp-3); max-width: 900px; }

.faq details {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-5);
  font-size: var(--fs-md);
  font-weight: 600;
  letter-spacing: -0.005em;
  cursor: pointer;
  list-style: none;
}

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

.faq summary::after {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  border-inline-end: 2px solid var(--text-subtle);
  border-block-end: 2px solid var(--text-subtle);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.18s ease;
}

.faq details[open] summary::after { transform: rotate(-135deg) translate(-2px, -2px); }

.faq details > *:not(summary) { padding-inline: var(--sp-5); }

.faq details p {
  margin: 0 0 var(--sp-4);
  color: var(--text-muted);
  font-size: var(--fs-sm);
}

.faq details > :last-child { margin-block-end: var(--sp-5); }

.faq summary:focus-visible { outline-offset: -3px; }

/* --- Prose (docs & comparison pages) ------------------------------------ */

.page-head {
  padding-block: clamp(32px, 4vw, 56px) var(--sp-6);
  border-block-end: 1px solid var(--border);
}

.page-head h1 {
  font-size: clamp(1.875rem, 1.35rem + 1.9vw, var(--fs-2xl));
  margin-block-end: var(--sp-4);
}

.page-head p {
  max-width: 68ch;
  color: var(--text-muted);
  font-size: var(--fs-md);
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
  margin-block-end: var(--sp-4);
  font-size: var(--fs-xs);
  color: var(--text-subtle);
}

.crumbs a { color: var(--text-subtle); text-decoration: none; }
.crumbs a:hover { color: var(--accent); text-decoration: underline; }

.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  padding-block: var(--sp-4);
  border-block-end: 1px solid var(--border);
}

.subnav a {
  padding: var(--sp-1) var(--sp-3);
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-muted);
  font-size: var(--fs-xs);
  text-decoration: none;
}

.subnav a:hover { color: var(--text); border-color: var(--border-strong); }
.subnav a[aria-current="page"] {
  color: var(--accent);
  border-color: var(--accent-soft-border);
  background: var(--accent-soft);
  font-weight: 600;
}

.prose { padding-block: var(--sp-7) var(--sp-8); max-width: 900px; }

.prose h2 {
  font-size: clamp(1.375rem, 1.2rem + 0.7vw, var(--fs-xl));
  margin-block: var(--sp-8) var(--sp-4);
  padding-block-start: var(--sp-4);
  border-block-start: 1px solid var(--border);
}

.prose > h2:first-child { margin-block-start: 0; padding-block-start: 0; border-block-start: 0; }

.prose h3 {
  font-size: var(--fs-lg);
  margin-block: var(--sp-6) var(--sp-3);
}

.prose h4 {
  font-size: var(--fs-md);
  margin-block: var(--sp-5) var(--sp-2);
}

.prose p { margin-block-end: var(--sp-4); color: var(--text-muted); max-width: 66ch; }
.prose > p:first-of-type { color: var(--text); font-size: var(--fs-md); }

.prose ul, .prose ol { margin-block-end: var(--sp-4); color: var(--text-muted); max-width: 66ch; }
.prose li { margin-block-end: var(--sp-2); }
.prose li:last-child { margin-block-end: 0; }

.prose strong { color: var(--text); font-weight: 650; }

.prose > .code,
.prose > .table-wrap,
.prose > .shot,
.prose > .grid { margin-block-end: var(--sp-5); }

.prose > .code { max-width: 900px; }

.prose table { margin-block-end: var(--sp-5); }

/* Cards nested in prose keep their own rhythm. */
.prose .card { gap: var(--sp-3); }
.prose .card h2,
.prose .card h3,
.prose .card p { margin: 0; max-width: none; }
.prose .card > :last-child { margin-block-end: 0; }

.prose .stats {
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: 1fr;
  margin-block-end: var(--sp-5);
}

@media (min-width: 640px) {
  .prose .stats { grid-template-columns: repeat(3, 1fr); }
}

.note {
  border: 1px solid var(--border);
  border-inline-start: 3px solid var(--accent);
  border-radius: 0 10px 10px 0;
  background: var(--surface);
  padding: var(--sp-4) var(--sp-5);
  margin-block-end: var(--sp-5);
}

.note p { margin: 0; font-size: var(--fs-sm); max-width: 76ch; }
.note p + p { margin-block-start: var(--sp-3); }
.note strong { color: var(--text); }

.checklist { list-style: none; padding: 0; }
.checklist li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: var(--sp-3);
  align-items: start;
}
.checklist svg { color: var(--accent); margin-block-start: 4px; }

.page-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--sp-3);
  padding-block: var(--sp-6);
  border-block-start: 1px solid var(--border);
}

/* --- Cost bar (comparison pages) ---------------------------------------- */

.costbars { display: grid; gap: var(--sp-4); margin-block-end: var(--sp-5); }

.costbar {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-2);
  padding: var(--sp-4) var(--sp-5);
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.costbar-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-3);
}

.costbar-head strong { font-weight: 650; }
.costbar-head span { color: var(--text-subtle); font-size: var(--fs-xs); }

.bar {
  height: 8px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  overflow: hidden;
}

.bar > span {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
}

.bar--muted > span { background: var(--border-strong); }

/* --- Footer ------------------------------------------------------------- */

.site-footer {
  margin-block-start: var(--sp-8);
  padding-block: var(--sp-8) var(--sp-6);
  background: var(--bg-subtle);
  border-block-start: 1px solid var(--border);
}

.footer-inner {
  display: grid;
  gap: var(--sp-7);
  grid-template-columns: 1fr;
}

@media (min-width: 760px) {
  .footer-inner { grid-template-columns: minmax(240px, 1.2fr) 2fr; }
}

.footer-brand { display: flex; flex-direction: column; gap: var(--sp-4); }

.footer-logo {
  width: 188px;
  height: auto;
  aspect-ratio: 1448 / 470;
  object-fit: cover;
  object-position: center;
  padding: var(--sp-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #ffffff;
}

.footer-brand p { color: var(--text-muted); font-size: var(--fs-sm); max-width: 40ch; }

.footer-cols {
  display: grid;
  gap: var(--sp-6);
  grid-template-columns: 1fr;
}

@media (min-width: 480px) {
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
}

.footer-col h2 {
  font-size: var(--fs-xs);
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-subtle);
  margin-block-end: var(--sp-3);
}

.footer-col ul { list-style: none; padding: 0; display: grid; gap: var(--sp-2); }

.footer-col a {
  color: var(--text-muted);
  font-size: var(--fs-sm);
  text-decoration: none;
}

.footer-col a:hover { color: var(--accent); text-decoration: underline; }

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2) var(--sp-5);
  align-items: center;
  justify-content: space-between;
  margin-block-start: var(--sp-7);
  padding-block-start: var(--sp-5);
  border-block-start: 1px solid var(--border);
  color: var(--text-subtle);
  font-size: var(--fs-xs);
}

.footer-legal p { margin: 0; }

.badges { display: flex; flex-wrap: wrap; gap: var(--sp-2); align-items: center; }
.badges img { height: 20px; width: auto; }