/* ==========================================================================
   Deploybase design system
   One stylesheet shared by the hub and every project page.
   Per-project colours and fonts live in themes.css and are applied with a
   data-theme attribute, so this file never needs to change for a new project.
   ========================================================================== */

/* ---------- 1. Design tokens ---------- */
:root {
  color-scheme: light;

  /* Brand (hub defaults). Project themes override the colour and font tokens. */
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-2: #eceff7;
  --ink: #12161f;
  --ink-soft: #4a5468;
  --line: #dde2ec;
  --primary: #3355ff;
  --primary-ink: #ffffff;
  --accent: #7c5cff;
  --accent-2: #12b886;

  /* Semantic colours */
  --success: #0e7a53;
  --warning: #9a5b00;
  --error: #c62f3e;
  --info: #1f6feb;

  /* Typography */
  --font-head: "Sora", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --step--1: clamp(0.8125rem, 0.79rem + 0.1vw, 0.875rem);
  --step-0: clamp(1rem, 0.96rem + 0.18vw, 1.0625rem);
  --step-1: clamp(1.125rem, 1.06rem + 0.3vw, 1.3125rem);
  --step-2: clamp(1.4rem, 1.2rem + 0.9vw, 1.9rem);
  --step-3: clamp(1.7rem, 1.25rem + 2vw, 2.7rem);
  --step-4: clamp(2.2rem, 1.35rem + 4.2vw, 4.4rem);

  /* Spacing, shape, layers */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: clamp(3.5rem, 2.5rem + 4vw, 6.5rem);
  --radius: 16px;
  --maxw: 1120px;
  --gutter: clamp(1.1rem, 4vw, 2rem);
  --header-h: 72px;
  --header-h-small: 58px;
  --z-header: 50;
  --z-toast: 90;
  --z-progress: 100;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-1: 160ms;
  --dur-2: 320ms;
  --dur-3: 700ms;
}

/* Derived tokens are declared on every theme scope so they recompute per project. */
:root,
[data-theme] {
  --primary-soft: color-mix(in srgb, var(--primary) 8%, var(--surface));
  --primary-tint: color-mix(in srgb, var(--primary) 14%, var(--surface));
  --primary-line: color-mix(in srgb, var(--primary) 26%, var(--line));
  --accent-soft: color-mix(in srgb, var(--accent) 16%, var(--surface));
  --shadow-1: 0 1px 2px rgb(18 22 31 / 0.05), 0 6px 18px -10px rgb(18 22 31 / 0.18);
  --shadow-2: 0 2px 4px rgb(18 22 31 / 0.05), 0 22px 44px -22px color-mix(in srgb, var(--primary) 38%, transparent);
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  scrollbar-color: color-mix(in srgb, var(--primary) 45%, var(--surface-2)) var(--bg);
  scrollbar-width: thin;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

::selection { background: color-mix(in srgb, var(--primary) 24%, white); color: var(--ink); }

::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--primary) 40%, var(--surface-2));
  border: 3px solid var(--bg);
  border-radius: 999px;
}

img, svg { max-width: 100%; }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.12; margin: 0; text-wrap: balance; }
h1 { font-size: var(--step-4); letter-spacing: -0.035em; font-weight: 700; }
h2 { font-size: var(--step-3); letter-spacing: -0.03em; font-weight: 700; }
h3 { font-size: var(--step-1); letter-spacing: -0.015em; font-weight: 650; }
h4 { font-size: var(--step-0); letter-spacing: -0.01em; font-weight: 650; }
p { margin: 0; text-wrap: pretty; }
a { color: var(--primary); text-underline-offset: 3px; }
code { font-family: var(--font-mono); font-size: 0.88em; background: var(--primary-soft); border: 1px solid var(--primary-line); padding: 0.1em 0.4em; border-radius: 6px; }
button { font: inherit; color: inherit; }

:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 3px;
  border-radius: 6px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed; left: var(--space-4); top: -4rem; z-index: 200;
  background: var(--ink); color: #fff; padding: 0.75rem 1.1rem; border-radius: 10px;
  text-decoration: none; font-weight: 600; transition: top var(--dur-1) var(--ease-out);
}
.skip-link:focus { top: var(--space-4); }

.container { width: min(100% - 2 * var(--gutter), var(--maxw)); margin-inline: auto; }

/* ---------- 3. Header and navigation ---------- */
.site-header {
  position: sticky; top: 0; z-index: var(--z-header);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-2) var(--ease-out), box-shadow var(--dur-2) var(--ease-out);
}
.site-header .bar {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  min-height: var(--header-h);
  transition: min-height var(--dur-2) var(--ease-out);
}
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 8px 24px -18px rgb(18 22 31 / 0.35); }
.site-header.is-scrolled .bar { min-height: var(--header-h-small); }

.brand-group { display: flex; align-items: center; min-width: 0; }
.brand {
  display: inline-flex; align-items: center; gap: 0.7rem; min-height: 44px; min-width: 0;
  color: var(--ink); text-decoration: none; font-family: var(--font-head);
  font-weight: 700; letter-spacing: -0.02em; font-size: 1.05rem;
}
.brand small { display: block; font: 500 0.72rem/1.2 var(--font-body); letter-spacing: 0; color: var(--ink-soft); }
.brand-mark {
  display: grid; place-items: center; width: 36px; height: 36px; flex: none; border-radius: 10px;
  background: var(--primary); color: var(--primary-ink);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.25), 0 6px 14px -8px var(--primary);
}
.brand-mark svg { width: 18px; height: 18px; }
.brand-mark .mark-core { width: 10px; height: 10px; border-radius: 3px; background: currentColor; }
.crumb {
  display: none; align-items: center; min-height: 44px; padding-right: 0.8rem; margin-right: 0.8rem;
  color: var(--ink-soft); font-size: var(--step--1); font-weight: 600; text-decoration: none;
  border-right: 1px solid var(--line);
}
.crumb:hover { color: var(--primary); }

.nav { display: flex; align-items: center; gap: var(--space-1); }
.nav a {
  position: relative; display: inline-flex; align-items: center; min-height: 44px; padding: 0 0.85rem;
  color: var(--ink-soft); font-size: 0.94rem; font-weight: 550; text-decoration: none;
  transition: color var(--dur-1) var(--ease-out);
}
.nav a:not(.cta)::after {
  content: ""; position: absolute; left: 0.85rem; right: 0.85rem; bottom: 8px; height: 2px;
  background: var(--primary); border-radius: 2px; transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur-2) var(--ease-out);
}
.nav a:hover, .nav a[aria-current="true"] { color: var(--ink); }
.nav a:hover::after, .nav a[aria-current="true"]::after { transform: scaleX(1); }
.nav a.cta {
  margin-left: var(--space-2); padding: 0 1.1rem; border-radius: 999px; gap: 0.35rem;
  background: var(--ink); color: #fff;
  transition: transform var(--dur-1) var(--ease-out), background var(--dur-1) var(--ease-out);
}
.nav a.cta:hover { background: var(--primary); color: var(--primary-ink); transform: translateY(-1px); }

.hamburger {
  display: none; align-items: center; justify-content: center; width: 44px; height: 44px; padding: 0;
  border: 1px solid var(--line); border-radius: 12px; background: var(--surface); cursor: pointer;
}
.hamburger .bars, .hamburger .bars::before, .hamburger .bars::after {
  display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px;
  transition: transform var(--dur-2) var(--ease-out), opacity var(--dur-1);
}
.hamburger .bars { position: relative; }
.hamburger .bars::before, .hamburger .bars::after { content: ""; position: absolute; left: 0; }
.hamburger .bars::before { top: -6px; }
.hamburger .bars::after { top: 6px; }
.hamburger.is-open .bars { background: transparent; }
.hamburger.is-open .bars::before { transform: translateY(6px) rotate(45deg); }
.hamburger.is-open .bars::after { transform: translateY(-6px) rotate(-45deg); }

.nav-noscript { display: none; }

@media (min-width: 761px) { .crumb { display: inline-flex; } }

@media (max-width: 760px) {
  .hamburger { display: inline-flex; }
  .nav {
    position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch;
    gap: 0; padding: var(--space-2) var(--gutter) var(--space-4);
    background: var(--surface); border-bottom: 1px solid var(--line); box-shadow: var(--shadow-1);
    visibility: hidden; opacity: 0; transform: translateY(-8px);
    transition: opacity var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-out), visibility 0s linear var(--dur-2);
  }
  .nav.is-open { visibility: visible; opacity: 1; transform: none; transition-delay: 0s; }
  .nav a { min-height: 52px; border-bottom: 1px solid var(--line); font-size: 1rem; }
  .nav a::after { display: none; }
  .nav a.cta { margin: var(--space-3) 0 0; justify-content: center; border-bottom: 0; }
  .nav-noscript { display: flex; flex-wrap: wrap; gap: 0 var(--space-4); padding-bottom: var(--space-3); }
  .nav-noscript a { min-height: 44px; display: inline-flex; align-items: center; font-weight: 600; }
}

/* ---------- 4. Buttons ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: 48px; padding: 0 1.35rem; border: 1px solid transparent; border-radius: 999px;
  font-weight: 600; font-size: 0.96rem; text-decoration: none; cursor: pointer; overflow: hidden;
  transition: transform var(--dur-1) var(--ease-out), box-shadow var(--dur-2) var(--ease-out),
    background var(--dur-1) var(--ease-out), border-color var(--dur-1) var(--ease-out);
}
.btn-primary { background: var(--primary); color: var(--primary-ink); box-shadow: 0 10px 24px -14px var(--primary); }
.btn-primary::after {
  content: ""; position: absolute; inset: 0; background: linear-gradient(105deg, transparent 35%, rgb(255 255 255 / 0.28) 50%, transparent 65%);
  transform: translateX(-120%); transition: transform 700ms var(--ease-out);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 30px -16px var(--primary); }
.btn-primary:hover::after { transform: translateX(120%); }
.btn-ghost { background: var(--surface); color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.5; pointer-events: none; }
.btn-sm { min-height: 44px; padding: 0 1rem; font-size: 0.88rem; }
.btn.is-copied { background: var(--success); color: #fff; }

/* ---------- 5. Hero ---------- */
.hero {
  position: relative; isolation: isolate; padding: var(--space-8) 0 var(--space-7); overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto; height: 120%; z-index: -2;
  background:
    radial-gradient(48rem 26rem at 78% 8%, color-mix(in srgb, var(--primary) 22%, transparent), transparent 70%),
    radial-gradient(34rem 22rem at 6% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0.55;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000, transparent 78%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000, transparent 78%);
}
.hero h1 { max-width: 20ch; margin-top: var(--space-4); }
.hero .lede { max-width: 62ch; margin-top: var(--space-5); font-size: var(--step-1); line-height: 1.6; color: var(--ink-soft); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem; padding: 0.4rem 0.9rem 0.4rem 0.75rem;
  background: var(--surface); border: 1px solid var(--primary-line); border-radius: 999px;
  font: 600 0.8rem/1.3 var(--font-body); letter-spacing: 0.01em; color: var(--ink);
}
.eyebrow .dot, .status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 4px color-mix(in srgb, var(--success) 20%, transparent); }

.terminal {
  display: inline-flex; flex-wrap: wrap; align-items: center; gap: 0.6rem; margin-top: var(--space-6);
  padding: 0.7rem 1.1rem; border-radius: 12px; background: var(--ink); color: #e8ecf5;
  font: 500 0.88rem/1.4 var(--font-mono); box-shadow: var(--shadow-2);
}
.terminal .prompt { color: #8da2ff; }
.terminal .out { color: #9fe3c6; }
.terminal .cursor { width: 8px; height: 1.1em; background: #e8ecf5; animation: blink 1.1s steps(2, start) infinite; }
@keyframes blink { to { visibility: hidden; } }

.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--space-3); margin-top: var(--space-7); }
.kpi {
  position: relative; padding: var(--space-4) var(--space-5); background: color-mix(in srgb, var(--surface) 86%, transparent);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.kpi .num { font: 700 var(--step-3)/1 var(--font-head); letter-spacing: -0.03em; color: var(--primary); }
.kpi .lbl { margin-top: var(--space-2); font-size: 0.86rem; line-height: 1.4; color: var(--ink-soft); }

/* ---------- 6. Sections ---------- */
.section { padding: var(--space-7) 0; }
.section-head { max-width: 760px; margin-bottom: var(--space-6); }
.section-head h2 { margin-top: var(--space-3); }
.section-head p { margin-top: var(--space-4); color: var(--ink-soft); font-size: var(--step-1); line-height: 1.6; }
.tag {
  display: inline-block; font: 600 0.74rem/1 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--primary);
}
.count {
  display: inline-flex; margin-top: var(--space-3); padding: 0.3rem 0.8rem; border-radius: 999px;
  background: var(--primary-soft); border: 1px solid var(--primary-line); color: var(--ink);
  font: 600 0.8rem/1.4 var(--font-mono);
}
.dot.g, .dot.y, .dot.r { display: inline-block; width: 0.7em; height: 0.7em; margin: 0 0.1em; border-radius: 50%; vertical-align: middle; }
.dot.g { background: #2e9e5b; } .dot.y { background: #f2b33d; } .dot.r { background: #d9483b; }

/* ---------- 7. Grids and cards ---------- */
.grid { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 700px) { .grid-2 { grid-template-columns: 1fr; } }
.grid:has(> .filebox-wrap) { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.list-spaced { margin-bottom: var(--space-5); }

.card {
  --mx: 50%; --my: 0%;
  position: relative; display: flex; flex-direction: column; gap: var(--space-3); padding: var(--space-5);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  color: inherit; text-decoration: none; overflow: hidden; box-shadow: var(--shadow-1);
  transition: transform var(--dur-2) var(--ease-out), box-shadow var(--dur-2) var(--ease-out), border-color var(--dur-2) var(--ease-out);
}
.card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(360px circle at var(--mx) var(--my), color-mix(in srgb, var(--primary) 11%, transparent), transparent 62%);
  transition: opacity var(--dur-2) var(--ease-out);
}
.card > * { position: relative; }
.card .icon {
  display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px;
  background: var(--primary-soft); border: 1px solid var(--primary-line); color: var(--primary);
}
.card .icon svg { width: 21px; height: 21px; }
.card p { color: var(--ink-soft); font-size: 0.96rem; line-height: 1.65; }
@media (hover: hover) {
  .card:hover { transform: translateY(-4px); border-color: var(--primary-line); box-shadow: var(--shadow-2); }
  .card:hover::before { opacity: 1; }
}

/* Registry cards (hub) */
.registry { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.registry .card { gap: var(--space-4); padding: var(--space-5); border-top: 3px solid var(--primary); }
.registry .card.is-tool { grid-column: span 2; background: linear-gradient(135deg, var(--primary-soft), var(--surface) 62%); }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.card-id { font: 600 0.74rem/1 var(--font-mono); letter-spacing: 0.06em; color: var(--ink-soft); }
.status {
  display: inline-flex; align-items: center; gap: 0.5rem; font: 600 0.78rem/1 var(--font-body); color: var(--success);
}
.status.tool { color: var(--primary); }
.status.tool .dot { background: var(--primary); box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 20%, transparent); }
.role { font: 600 0.78rem/1.3 var(--font-mono); letter-spacing: 0.04em; text-transform: uppercase; color: var(--primary); margin-bottom: var(--space-2); }
.chips, .pill-row { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.chip, .pill {
  padding: 0.28rem 0.7rem; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line);
  font: 500 0.78rem/1.4 var(--font-mono); color: var(--ink-soft);
}
.pill { font-family: var(--font-body); font-size: 0.86rem; color: var(--ink); background: var(--primary-soft); border-color: var(--primary-line); }
.card-cta {
  display: inline-flex; align-items: center; gap: 0.5rem; margin-top: auto; padding-top: var(--space-2);
  font-weight: 650; font-size: 0.94rem; color: var(--primary);
}
.card-cta svg { transition: transform var(--dur-2) var(--ease-out); }
@media (hover: hover) { .card:hover .card-cta svg { transform: translateX(4px); } }
.registry .card:focus-visible { outline-offset: 4px; border-radius: var(--radius); }

@media (max-width: 960px) { .registry { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .registry { grid-template-columns: 1fr; } .registry .card.is-tool { grid-column: auto; } }

.note-card {
  display: flex; gap: var(--space-4); align-items: flex-start; padding: var(--space-5);
  background: var(--primary-soft); border: 1px solid var(--primary-line); border-radius: var(--radius);
}
.note-card .icon { display: grid; place-items: center; flex: none; width: 40px; height: 40px; border-radius: 12px; background: var(--surface); border: 1px solid var(--primary-line); color: var(--primary); }
.note-card p { color: var(--ink-soft); }
.note-card strong { color: var(--ink); }

/* ---------- 8. Lists, tables, callouts, CTA ---------- */
.list { display: grid; gap: var(--space-3); }
.list-item {
  display: grid; grid-template-columns: auto 1fr; gap: var(--space-4); align-items: start;
  padding: var(--space-4) var(--space-5); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-out);
}
@media (hover: hover) { .list-item:hover { border-color: var(--primary-line); transform: translateX(3px); } }
.list-item .n {
  display: grid; place-items: center; min-width: 40px; height: 40px; padding: 0 0.5rem; border-radius: 12px;
  background: var(--primary); color: var(--primary-ink); font: 600 0.82rem/1 var(--font-mono);
}
.list-item p { margin-top: 0.2rem; color: var(--ink-soft); font-size: 0.96rem; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { padding: 0.85rem 1.1rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
th { background: var(--primary-soft); font: 600 0.76rem/1.3 var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink); }
tr:last-child td { border-bottom: 0; }
td { color: var(--ink-soft); }
td code { white-space: nowrap; }

.callout {
  display: flex; gap: var(--space-4); align-items: flex-start; margin-top: var(--space-5); padding: var(--space-4) var(--space-5);
  background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 38%, var(--line)); border-radius: var(--radius);
}
.callout > svg { flex: none; width: 22px; height: 22px; margin-top: 0.15rem; color: var(--ink); }
.callout p { color: var(--ink); font-size: 0.97rem; }

.cta-band {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-5);
  padding: var(--space-6); border-radius: calc(var(--radius) + 6px); color: var(--primary-ink);
  background: linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--primary) 62%, var(--ink)));
  box-shadow: var(--shadow-2);
}
.cta-band p { margin-top: var(--space-2); opacity: 0.9; }
.cta-band .btn-primary { background: var(--surface); color: var(--ink); box-shadow: none; }
.cta-band .btn-primary::after { display: none; }

.center-narrow { max-width: 640px; text-align: center; }
.center-narrow h1, .center-narrow .lede { margin-inline: auto; }
.hero-actions.center { justify-content: center; }

/* ---------- 9. File boxes (copyable instructions) ---------- */
.filebox-wrap { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-1); }
.filebox-wrap[open] { border-color: var(--primary-line); }
.filebox-wrap summary { list-style: none; cursor: pointer; padding: var(--space-4) var(--space-5); }
.filebox-wrap summary::-webkit-details-marker { display: none; }
.filebox-wrap summary:focus-visible { outline-offset: -3px; }
.summary-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); min-height: 44px; }
.s-left { display: flex; align-items: center; gap: var(--space-4); min-width: 0; }
.s-icon { display: grid; place-items: center; flex: none; width: 44px; height: 44px; border-radius: 12px; background: var(--primary-soft); border: 1px solid var(--primary-line); color: var(--primary); }
.s-icon svg { width: 21px; height: 21px; }
.s-sub { font-size: 0.88rem; color: var(--ink-soft); line-height: 1.45; overflow-wrap: anywhere; }
.chev { flex: none; width: 22px; height: 22px; color: var(--ink-soft); transition: transform var(--dur-2) var(--ease-out); }
.filebox-wrap[open] .chev { transform: rotate(90deg); }
.filebox-body { padding: 0 var(--space-5) var(--space-5); }
.filebox { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--bg); }
.filebox-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-3); padding: var(--space-3) var(--space-4); background: var(--surface-2); border-bottom: 1px solid var(--line); }
.filebox .meta { font-size: 0.84rem; color: var(--ink-soft); overflow-wrap: anywhere; }
.filebox .meta strong { font-family: var(--font-mono); font-weight: 500; color: var(--ink); }
.filebox-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.filebox pre { margin: 0; padding: var(--space-4); max-height: 420px; overflow: auto; font: 400 0.84rem/1.7 var(--font-mono); color: var(--ink); white-space: pre-wrap; overflow-wrap: anywhere; }
.filebox pre code { background: none; border: 0; padding: 0; font: inherit; }
.filebox.is-loading pre { color: transparent; min-height: 140px; background: linear-gradient(100deg, transparent 30%, var(--primary-soft) 50%, transparent 70%) 0 0 / 220% 100%; animation: shimmer 1.3s linear infinite; }
.filebox.has-error pre { color: var(--error); }
@keyframes shimmer { to { background-position: -220% 0; } }

/* ---------- 10. Footer, toast, progress, back to top ---------- */
.site-footer { margin-top: var(--space-7); padding: var(--space-6) 0 var(--space-7); border-top: 1px solid var(--line); background: var(--surface); }
.footer-links { display: flex; flex-wrap: wrap; gap: 0 var(--space-5); }
.footer-links a { display: inline-flex; align-items: center; min-height: 44px; font-weight: 600; font-size: 0.94rem; color: var(--ink); text-decoration: none; }
.footer-links a:hover { color: var(--primary); text-decoration: underline; }
.fine { margin-top: var(--space-2); font-size: 0.84rem; color: var(--ink-soft); }

.toast {
  position: fixed; left: 50%; bottom: calc(var(--space-5) + env(safe-area-inset-bottom, 0px)); z-index: var(--z-toast);
  padding: 0.75rem 1.2rem; border-radius: 999px; background: var(--ink); color: #fff; font-size: 0.9rem; font-weight: 600;
  box-shadow: var(--shadow-2); opacity: 0; transform: translate(-50%, 12px); pointer-events: none;
  transition: opacity var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-out);
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
.toast.is-error { background: var(--error); }

.scroll-progress {
  position: fixed; inset: 0 0 auto; height: 3px; z-index: var(--z-progress); pointer-events: none;
  background: linear-gradient(90deg, var(--primary), var(--accent)); transform: scaleX(0); transform-origin: left;
}
@supports (animation-timeline: scroll()) {
  .scroll-progress { animation: progress linear both; animation-timeline: scroll(root block); }
  @keyframes progress { to { transform: scaleX(1); } }
}

.back-to-top {
  position: fixed; right: max(var(--space-4), env(safe-area-inset-right, 0px)); bottom: max(var(--space-4), env(safe-area-inset-bottom, 0px)); z-index: 40;
  display: grid; place-items: center; width: 48px; height: 48px; padding: 0; border: 1px solid var(--line); border-radius: 50%;
  background: var(--surface); color: var(--ink); cursor: pointer; box-shadow: var(--shadow-1);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-out), visibility 0s linear var(--dur-2), border-color var(--dur-1);
}
.back-to-top svg { width: 20px; height: 20px; }
.back-to-top:hover { border-color: var(--primary); color: var(--primary); }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }

/* ---------- 11. Motion (progressive, no JavaScript required) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .hero .container > * { animation: rise var(--dur-3) var(--ease-out) backwards; }
  .hero .container > :nth-child(2) { animation-delay: 70ms; }
  .hero .container > :nth-child(3) { animation-delay: 140ms; }
  .hero .container > :nth-child(4) { animation-delay: 210ms; }
  .hero .container > :nth-child(5) { animation-delay: 280ms; }
  @keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

  @supports (animation-timeline: view()) {
    .card, .list-item, .kpi, .callout, .table-wrap, .section-head, .cta-band, .note-card, .filebox-wrap {
      animation: reveal linear backwards; animation-timeline: view(); animation-range: entry 0% entry 38%;
    }
    @keyframes reveal { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
    .hero::before { animation: drift linear both; animation-timeline: scroll(root block); animation-range: 0 80vh; }
    @keyframes drift { to { transform: translateY(70px); } }
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; }
}

/* ---------- 12. Print ---------- */
@media print {
  .site-header, .back-to-top, .scroll-progress, .toast, .hamburger { display: none !important; }
  .hero::before, .hero::after { display: none; }
  body { background: #fff; }
  .card, .list-item, .kpi { break-inside: avoid; box-shadow: none; }
}