/* ==========================================================================
   Futureback — Design system
   Think like a consultant. Work smarter.

   Structure
   1.  Tokens
   2.  Base & typography
   3.  Layout helpers
   4.  Buttons, chips, tags
   5.  Header & navigation
   6.  Sections & headings
   7.  Cards (intent, pillar, tool, article, toolkit)
   8.  Filters
   9.  Homepage: hero flow, steps, transformation
   10. Newsletter
   11. Footer
   12. Page heroes, breadcrumbs, prose
   13. Tool template (reusable for every tool)
   14. Forms
   15. Motion & reveal
   16. Utilities
   17. Responsive
   18. Print
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------- */
:root {
  --paper: #F7F7F5;
  --surface: #FFFFFF;
  --surface-2: #F1F0EC;
  --ink: #14151A;
  --ink-2: #3A3C44;
  --muted: #62656F;
  --line: #E4E2DC;
  --line-strong: #CFCCC4;

  --accent: #3F2BFF;          /* Futureback signal violet */
  --accent-ink: #2A1BC2;      /* hover / pressed */
  --accent-soft: #EEECFF;     /* tinted backgrounds */
  --accent-line: #C9C3FF;

  --good: #12805C;
  --good-soft: #E6F4EE;
  --warn: #A15C00;
  --warn-soft: #FDF2E2;

  --font-display: "Space Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(20, 21, 26, .05);
  --shadow: 0 1px 2px rgba(20, 21, 26, .04), 0 8px 24px -12px rgba(20, 21, 26, .14);
  --shadow-lg: 0 2px 4px rgba(20, 21, 26, .04), 0 24px 48px -24px rgba(20, 21, 26, .22);

  --container: 1180px;
  --gutter: clamp(16px, 4vw, 32px);
  --section: clamp(64px, 9vw, 120px);
  --header-h: 68px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* 2. Base ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 .5em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.5rem, 6vw, 4.4rem); letter-spacing: -0.035em; line-height: 1.02; }
h2 { font-size: clamp(1.9rem, 3.8vw, 2.9rem); letter-spacing: -0.03em; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }
p { margin: 0 0 1em; text-wrap: pretty; }
::selection { background: var(--accent); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 200;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: var(--radius-sm);
  text-decoration: none; transition: top .2s;
}
.skip-link:focus { top: 12px; }

/* 3. Layout ---------------------------------------------------------------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.container--narrow { max-width: 780px; }
.section { padding: var(--section) 0; }
.section--tight { padding: calc(var(--section) * .6) 0; }
.section--white { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-auto { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }

/* 4. Buttons, chips, tags -------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  min-height: 48px; padding: 0 22px;
  border-radius: 999px; border: 1.5px solid transparent;
  font-family: var(--font-display); font-weight: 600; font-size: 1rem; letter-spacing: -0.01em;
  text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}
.btn svg { width: 18px; height: 18px; transition: transform .2s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--accent); color: #fff; box-shadow: 0 6px 18px -8px rgba(63, 43, 255, .6); }
.btn--primary:hover { background: var(--accent-ink); }
.btn--secondary { background: var(--surface); color: var(--ink); border-color: var(--line-strong); }
.btn--secondary:hover { border-color: var(--ink); }
.btn--ghost { background: transparent; color: var(--ink); padding: 0 6px; min-height: 40px; }
.btn--ghost:hover { color: var(--accent); }
.btn--sm { min-height: 40px; padding: 0 16px; font-size: .92rem; }
.btn--block { width: 100%; }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .5; pointer-events: none; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-size: .8rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase; color: var(--accent);
  margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 18px; height: 2px; background: currentColor; border-radius: 2px; }

.tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-display); font-size: .75rem; font-weight: 600; letter-spacing: .04em;
  padding: 4px 10px; border-radius: 999px;
  background: var(--surface-2); color: var(--ink-2); white-space: nowrap;
}
.tag--accent { background: var(--accent-soft); color: var(--accent-ink); }
.tag--soon { background: transparent; border: 1px dashed var(--line-strong); color: var(--muted); }
.tag--live { background: var(--good-soft); color: var(--good); }
.tag--live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.meta { display: inline-flex; align-items: center; gap: 6px; font-size: .85rem; color: var(--muted); }
.meta svg { width: 15px; height: 15px; }

/* 5. Header ---------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(247, 247, 245, .97);           /* no backdrop-filter: avoids fixed-nav containing-block bug */
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.site-header.is-scrolled { border-color: var(--line); box-shadow: 0 6px 20px -16px rgba(20, 21, 26, .35); }
.site-header__inner { height: var(--header-h); display: flex; align-items: center; gap: 24px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; letter-spacing: -0.03em; }
.logo__mark { width: 32px; height: 32px; flex: none; }
.logo__dot { color: var(--accent); }
.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nav__link {
  position: relative; padding: 8px 14px; border-radius: 999px;
  text-decoration: none; font-family: var(--font-display); font-weight: 500; font-size: .98rem; color: var(--ink-2);
  transition: color .2s, background .2s;
}
.nav__link:hover { color: var(--ink); background: var(--surface-2); }
.nav__link[aria-current="page"] { color: var(--ink); }
.nav__link[aria-current="page"]::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 3px; height: 2px; border-radius: 2px; background: var(--accent);
}
.site-header__cta { margin-left: 12px; }
.nav-toggle {
  display: none; margin-left: auto;
  width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--surface); cursor: pointer; align-items: center; justify-content: center;
}
.nav-toggle__bars, .nav-toggle__bars::before, .nav-toggle__bars::after {
  display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; position: relative; transition: transform .25s var(--ease), background .2s;
}
.nav-toggle__bars::before, .nav-toggle__bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }
.nav-open .nav-toggle__bars { background: transparent; }
.nav-open .nav-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.nav-open .nav-toggle__bars::after { transform: translateY(-6px) rotate(-45deg); }

.mobile-nav {
  position: fixed; inset: var(--header-h) 0 0 0; z-index: 99;
  background: var(--paper); padding: 24px var(--gutter) 40px;
  display: flex; flex-direction: column; gap: 4px;
  overflow-y: auto;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
}
.nav-open .mobile-nav { opacity: 1; visibility: visible; transform: none; }
.mobile-nav__link {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 4px; border-bottom: 1px solid var(--line);
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; letter-spacing: -0.02em; text-decoration: none;
}
.mobile-nav__link small { font-family: var(--font-body); font-size: .85rem; font-weight: 400; color: var(--muted); letter-spacing: 0; }
.mobile-nav .btn { margin-top: 24px; }
body.nav-open { overflow: hidden; }

/* 6. Sections & headings --------------------------------------------------- */
.section-head { max-width: 720px; margin-bottom: clamp(32px, 5vw, 56px); }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }
.section-head p { font-size: 1.15rem; color: var(--muted); margin: 0; }
.section-head--split { max-width: none; display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.section-head--split > div { max-width: 640px; }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.25rem); color: var(--ink-2); line-height: 1.55; }
.muted { color: var(--muted); }
.text-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-display); font-weight: 600; text-decoration: none; color: var(--accent);
}
.text-link svg { width: 16px; height: 16px; transition: transform .2s var(--ease); }
.text-link:hover svg { transform: translateX(3px); }

/* 7. Cards ----------------------------------------------------------------- */
.card {
  position: relative; display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; text-decoration: none;
  transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}
a.card:hover, .card--hover:hover { transform: translateY(-3px); border-color: var(--line-strong); box-shadow: var(--shadow); }
.card h3 { margin-bottom: .35em; }
.card p { color: var(--muted); font-size: .98rem; }
.card__foot { margin-top: auto; padding-top: 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* Intent cards: "What are you trying to do?" */
.intent-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.intent-card { padding: 22px 22px 20px; min-height: 168px; }
.intent-card__icon {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); margin-bottom: 18px;
  transition: background .25s, color .25s;
}
.intent-card__icon svg { width: 24px; height: 24px; }
a.intent-card:hover .intent-card__icon { background: var(--accent); color: #fff; }
.intent-card__goal { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; letter-spacing: -0.02em; line-height: 1.25; margin: 0 0 10px; color: var(--ink); }
.intent-card__tool { margin-top: auto; display: flex; align-items: center; gap: 8px; justify-content: space-between; font-size: .92rem; color: var(--muted); }
.intent-card__tool strong { color: var(--ink); font-weight: 600; font-family: var(--font-display); }
.intent-card__arrow { color: var(--accent); transition: transform .2s var(--ease); }
a.intent-card:hover .intent-card__arrow { transform: translateX(4px); }
.intent-card--feature { background: var(--ink); border-color: var(--ink); }
.intent-card--feature .intent-card__goal, .intent-card--feature .intent-card__tool strong { color: #fff; }
.intent-card--feature .intent-card__tool { color: rgba(255,255,255,.7); }
.intent-card--feature .intent-card__icon { background: rgba(255,255,255,.12); color: #fff; }
.intent-card--feature .tag--live { background: rgba(18,128,92,.25); color: #7FE0B8; }

/* Pillar cards */
.pillar-card { padding: 0; overflow: hidden; min-height: 100%; }
.pillar-card__art {
  height: 170px; display: grid; place-items: center; position: relative;
  border-bottom: 1px solid var(--line); background: var(--surface-2);
}
.pillar-card__art svg { width: 100%; height: 100%; }
.pillar-card__body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.pillar-card__num { font-family: var(--font-mono); font-size: .78rem; color: var(--muted); margin-bottom: 10px; }
.pillar-card h2, .pillar-card h3 { font-size: 1.15rem; letter-spacing: .02em; text-transform: uppercase; }
.pillar-card .text-link { margin-top: auto; padding-top: 12px; }
.pillar-card--think .pillar-card__art { background-image: radial-gradient(var(--line-strong) 1px, transparent 1px); background-size: 16px 16px; background-color: #FBFAF8; }
.pillar-card--communicate .pillar-card__art { background-image: repeating-linear-gradient(0deg, transparent 0 19px, var(--line) 19px 20px); background-color: #FBFAF8; }
.pillar-card--work .pillar-card__art { background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 28px 28px; background-color: #FBFAF8; }
.pillar-card--ai .pillar-card__art { background: var(--accent-soft); }
.pillar-card .pa-stroke { stroke: var(--ink); }
.pillar-card .pa-accent { stroke: var(--accent); fill: var(--accent); }
.pillar-card .pa-node { transition: transform .5s var(--ease); transform-box: fill-box; transform-origin: center; }
a.pillar-card:hover .pa-node { transform: scale(1.18); }

/* Tool cards */
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 16px; }
.tool-card { padding: 22px; min-height: 230px; }
.tool-card__top { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 18px; }
.tool-card__glyph { width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line); display: grid; place-items: center; color: var(--ink); background: var(--paper); }
.tool-card__glyph svg { width: 22px; height: 22px; }
.tool-card h3 { font-size: 1.18rem; }
.tool-card__foot { margin-top: auto; padding-top: 18px; display: flex; align-items: center; justify-content: space-between; gap: 10px; border-top: 1px solid var(--line); }
.tool-card .btn { min-height: 38px; padding: 0 16px; font-size: .9rem; }
.tool-card.is-soon .btn { background: var(--surface); color: var(--ink); border-color: var(--line-strong); box-shadow: none; }
.tool-card.is-hidden { display: none; }
.tool-grid__empty { grid-column: 1 / -1; padding: 40px; text-align: center; border: 1px dashed var(--line-strong); border-radius: var(--radius); color: var(--muted); }

/* Article cards */
.article-card { padding: 22px; min-height: 210px; }
.article-card__pillar { margin-bottom: 16px; }
.article-card h3 { font-size: 1.15rem; line-height: 1.3; }
.article-card__foot { margin-top: auto; padding-top: 14px; display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: .85rem; }
.article-card__foot .intent-card__arrow { color: var(--accent); }
a.article-card:hover h3 { color: var(--accent-ink); }

/* Toolkit cards */
.toolkit-card { padding: 24px; background: transparent; border-style: dashed; }
.toolkit-card__icon { width: 40px; height: 40px; margin-bottom: 16px; color: var(--ink-2); }
.toolkit-card h3 { font-size: 1.08rem; }

/* 8. Filters --------------------------------------------------------------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.filter {
  min-height: 40px; padding: 0 18px; border-radius: 999px; border: 1px solid var(--line-strong);
  background: var(--surface); cursor: pointer;
  font-family: var(--font-display); font-weight: 500; font-size: .95rem;
  display: inline-flex; align-items: center; gap: 8px;
  transition: background .2s, color .2s, border-color .2s;
}
.filter:hover { border-color: var(--ink); }
.filter[aria-pressed="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }
.filter__count { font-size: .78rem; opacity: .6; }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.toolbar .filters { margin-bottom: 0; }
.search {
  position: relative; flex: 0 1 300px;
}
.search input {
  width: 100%; min-height: 44px; padding: 0 16px 0 42px; border-radius: 999px;
  border: 1px solid var(--line-strong); background: var(--surface);
}
.search input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search svg { position: absolute; left: 15px; top: 50%; width: 18px; height: 18px; transform: translateY(-50%); color: var(--muted); }

/* 9. Homepage -------------------------------------------------------------- */
.hero { padding: clamp(40px, 7vw, 96px) 0 clamp(56px, 8vw, 110px); position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 70% 40%, #000 0%, transparent 75%);
          mask-image: radial-gradient(ellipse 70% 60% at 70% 40%, #000 0%, transparent 75%);
  opacity: .55;
}
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 .accent { color: var(--accent); }
.hero__copy p { font-size: clamp(1.08rem, 1.5vw, 1.22rem); color: var(--ink-2); max-width: 540px; }
.hero__copy p + p { margin-top: -.25em; }
.hero__ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.hero__note { margin-top: 24px; display: flex; gap: 18px; flex-wrap: wrap; font-size: .9rem; color: var(--muted); }
.hero__note span { display: inline-flex; align-items: center; gap: 6px; }
.hero__note svg { width: 16px; height: 16px; color: var(--good); }

/* Hero flow visual: messy -> structure -> prioritise -> analyse -> decide -> clear */
.flow { position: relative; max-width: 500px; margin-left: auto; }
.flow__mess {
  position: relative; height: 150px; border-radius: var(--radius-lg);
  background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow);
  overflow: hidden;
}
.flow__label { position: absolute; top: 14px; left: 16px; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); z-index: 2; }
.flow__scribble { position: absolute; inset: 0; width: 100%; height: 100%; }
.flow__scribble path { fill: none; stroke: var(--ink); stroke-width: 1.4; stroke-linecap: round; opacity: .55; stroke-dasharray: 1400; stroke-dashoffset: 1400; animation: draw 2.4s var(--ease) .2s forwards; }
.flow__note {
  position: absolute; z-index: 2; padding: 4px 10px; border-radius: 6px;
  background: #FFF6D8; border: 1px solid #F0DF9F; font-size: .78rem; color: #5A4A10; font-family: var(--font-display); font-weight: 500;
  box-shadow: var(--shadow-sm); white-space: nowrap;
  animation: bob 6s ease-in-out infinite;
}
.flow__note:nth-of-type(2) { top: 44px; left: 18%; transform: rotate(-4deg); }
.flow__note:nth-of-type(3) { top: 92px; left: 8%; transform: rotate(3deg); animation-delay: -2s; }
.flow__note:nth-of-type(4) { top: 30px; right: 10%; transform: rotate(5deg); animation-delay: -4s; }
.flow__note:nth-of-type(5) { bottom: 18px; right: 18%; transform: rotate(-3deg); animation-delay: -1s; }

.flow__steps { position: relative; list-style: none; margin: 0; padding: 18px 0 18px 30px; }
.flow__steps::before { content: ""; position: absolute; left: 47px; top: 0; bottom: 0; width: 2px; background: repeating-linear-gradient(to bottom, var(--line-strong) 0 4px, transparent 4px 9px); }
.flow__steps::after {
  content: ""; position: absolute; left: 47px; top: 0; width: 2px; height: 0; background: var(--accent);
  animation: progress 8s var(--ease) infinite;
}
.flow__step {
  position: relative; display: flex; align-items: center; gap: 14px;
  padding: 8px 14px 8px 0; margin: 4px 0;
}
.flow__dot {
  position: relative; z-index: 1; flex: none;
  width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
  background: var(--surface); border: 1.5px solid var(--line-strong); color: var(--muted);
  font-family: var(--font-mono); font-size: .75rem;
  animation: stepOn 8s infinite;
}
.flow__step-body {
  flex: 1; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px;
  animation: stepCard 8s infinite;
}
.flow__step-title { font-family: var(--font-display); font-weight: 600; font-size: .92rem; letter-spacing: .08em; text-transform: uppercase; }
.flow__step-desc { font-size: .82rem; color: var(--muted); }
.flow__mini { width: 46px; height: 24px; flex: none; color: var(--ink-2); }
.flow__step:nth-child(1) .flow__dot, .flow__step:nth-child(1) .flow__step-body { animation-delay: 0s; }
.flow__step:nth-child(2) .flow__dot, .flow__step:nth-child(2) .flow__step-body { animation-delay: 1.6s; }
.flow__step:nth-child(3) .flow__dot, .flow__step:nth-child(3) .flow__step-body { animation-delay: 3.2s; }
.flow__step:nth-child(4) .flow__dot, .flow__step:nth-child(4) .flow__step-body { animation-delay: 4.8s; }

.flow__clear {
  display: flex; align-items: center; gap: 14px;
  background: var(--ink); color: #fff; border-radius: var(--radius-lg); padding: 18px 20px;
  box-shadow: var(--shadow-lg);
}
.flow__check { width: 40px; height: 40px; border-radius: 50%; background: var(--accent); display: grid; place-items: center; flex: none; }
.flow__check svg { width: 20px; height: 20px; }
.flow__clear small { display: block; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.6); }
.flow__clear strong { font-family: var(--font-display); font-weight: 600; font-size: 1.02rem; letter-spacing: -0.01em; }

@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes bob { 0%, 100% { translate: 0 0; } 50% { translate: 0 -4px; } }
@keyframes progress { 0% { height: 0; } 75%, 92% { height: 100%; opacity: 1; } 100% { height: 100%; opacity: 0; } }
@keyframes stepOn {
  0% { background: var(--surface); border-color: var(--line-strong); color: var(--muted); }
  6%, 80% { background: var(--accent); border-color: var(--accent); color: #fff; }
  100% { background: var(--surface); border-color: var(--line-strong); color: var(--muted); }
}
@keyframes stepCard {
  0% { border-color: var(--line); transform: none; }
  6%, 14% { border-color: var(--accent-line); transform: translateX(4px); }
  24%, 100% { border-color: var(--line); transform: none; }
}

/* Logo strip of principles (instead of client logos) */
.principles { display: flex; flex-wrap: wrap; gap: 10px 28px; align-items: center; justify-content: center; padding: 26px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.principles span { font-family: var(--font-display); font-weight: 500; color: var(--muted); display: inline-flex; align-items: center; gap: 10px; }
.principles span::before { content: ""; width: 7px; height: 7px; background: var(--accent); border-radius: 2px; transform: rotate(45deg); }

/* How it works */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; counter-reset: step; position: relative; }
.step { position: relative; padding: 28px 24px 26px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.step__num {
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; margin-bottom: 18px;
  font-family: var(--font-display); font-weight: 700; color: var(--accent); background: var(--accent-soft);
}
.step h3 { font-size: 1.25rem; }
.step p { color: var(--muted); margin: 0; }
.step:not(:last-child)::after {
  content: ""; position: absolute; top: 49px; right: -21px; width: 22px; height: 2px; background: var(--line-strong); z-index: 1;
}

/* Transformation demo */
.transform { display: grid; grid-template-columns: .8fr 1.6fr; gap: 24px; align-items: stretch; }
.transform__before {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px;
  display: flex; flex-direction: column; justify-content: space-between; gap: 24px;
}
.transform__quote { font-family: var(--font-display); font-size: clamp(1.3rem, 2.2vw, 1.6rem); line-height: 1.3; letter-spacing: -0.02em; margin: 0; }
.transform__quote::before { content: "“"; display: block; font-size: 3rem; line-height: .6; color: var(--accent); margin-bottom: 8px; }
.transform__chip { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.transform__after { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; }
.transform__head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }

.tree { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 0; }
.tree__root {
  padding: 14px 18px; border-radius: 12px; background: var(--ink); color: #fff;
  font-family: var(--font-display); font-weight: 600; line-height: 1.2; max-width: 150px;
}
.tree__branches { list-style: none; margin: 0; padding: 0 0 0 40px; position: relative; display: grid; gap: 10px; }
.tree__branches::before { content: ""; position: absolute; left: 20px; top: 22px; bottom: 22px; width: 2px; background: var(--line-strong); }
.tree__branches::after { content: ""; position: absolute; left: 0; top: 50%; width: 20px; height: 2px; background: var(--line-strong); }
.tree__branch {
  position: relative; display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 10px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--paper);
  font-family: var(--font-display); font-weight: 500;
  transition: border-color .4s, background .4s, opacity .5s var(--ease), transform .5s var(--ease);
}
.tree__branch::before { content: ""; position: absolute; left: -21px; top: 50%; width: 20px; height: 2px; background: var(--line-strong); }
.tree__branch small { font-family: var(--font-body); font-weight: 400; font-size: .8rem; color: var(--muted); }
.tree__score { display: flex; gap: 3px; }
.tree__score i { width: 7px; height: 14px; border-radius: 2px; background: var(--line); transition: background .4s; }

.transform.is-ready .tree__branch { opacity: 0; transform: translateX(-10px); }
.transform.is-structured .tree__branch { opacity: 1; transform: none; }
.transform.is-structured .tree__branch:nth-child(2) { transition-delay: .08s; }
.transform.is-structured .tree__branch:nth-child(3) { transition-delay: .16s; }
.transform.is-structured .tree__branch:nth-child(4) { transition-delay: .24s; }
.transform.is-structured .tree__branch:nth-child(5) { transition-delay: .32s; }
.transform.is-prioritised .tree__branch.is-priority { border-color: var(--accent); background: var(--accent-soft); }
.transform.is-prioritised .tree__branch.is-priority .tree__score i:nth-child(-n+3),
.transform.is-prioritised .tree__score[data-score="2"] i:nth-child(-n+2),
.transform.is-prioritised .tree__score[data-score="1"] i:nth-child(1) { background: var(--accent); }
.transform.is-prioritised .tree__branch:not(.is-priority) { opacity: .62; }

.pad { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 22px; }
.pad__step {
  border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; background: var(--surface);
  transition: border-color .4s, background .4s;
}
.pad__step strong { display: block; font-family: var(--font-display); font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; }
.pad__step span { font-size: .85rem; color: var(--muted); }
.transform.is-prioritised .pad__step[data-stage="prioritise"],
.transform.is-analysed .pad__step[data-stage="analyse"],
.transform.is-decided .pad__step[data-stage="decide"] { border-color: var(--accent); background: var(--accent-soft); }
.transform__caption { text-align: center; margin-top: 40px; }
.transform__caption p { font-family: var(--font-display); font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 600; letter-spacing: -0.03em; margin: 0; }
.transform__caption p span { color: var(--accent); }
.transform__controls { display: flex; gap: 6px; flex-wrap: wrap; }
.seg { display: inline-flex; padding: 3px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line); }
.seg button { border: 0; background: transparent; padding: 6px 12px; border-radius: 999px; font-family: var(--font-display); font-weight: 500; font-size: .85rem; cursor: pointer; color: var(--muted); }
.seg button[aria-pressed="true"] { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-sm); }

/* 10. Newsletter ------------------------------------------------------------ */
.brief {
  position: relative; overflow: hidden;
  background: var(--ink); color: #fff; border-radius: var(--radius-lg);
  padding: clamp(32px, 5vw, 64px);
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center;
}
.brief::after {
  content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.08); box-shadow: 0 0 0 40px rgba(255,255,255,.025), 0 0 0 80px rgba(255,255,255,.02);
  pointer-events: none;
}
.brief h2 { color: #fff; margin-bottom: .3em; }
.brief p { color: rgba(255,255,255,.72); font-size: 1.1rem; margin: 0; }
.brief .eyebrow { color: #A79DFF; }
.signup { position: relative; z-index: 1; }
.signup__row { display: flex; gap: 8px; padding: 6px; border-radius: 999px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); }
.signup__row:focus-within { border-color: #A79DFF; }
.signup input[type="email"] {
  flex: 1; min-width: 0; border: 0; background: transparent; color: #fff; padding: 0 16px; min-height: 48px; font-size: 1rem;
}
.signup input::placeholder { color: rgba(255,255,255,.5); }
.signup input:focus { outline: none; }
.signup__small { margin-top: 12px; font-size: .85rem; color: rgba(255,255,255,.55); }
.signup__msg { margin-top: 12px; font-size: .95rem; min-height: 1.5em; }
.signup__msg.is-success { color: #7FE0B8; }
.signup__msg.is-error { color: #FFB4A8; }
.signup.is-done .signup__row { display: none; }
.hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
/* Light variant (inside pages) */
.signup--light .signup__row { background: var(--surface); border-color: var(--line-strong); }
.signup--light input[type="email"] { color: var(--ink); }
.signup--light input::placeholder { color: var(--muted); }
.signup--light .signup__small { color: var(--muted); }
.signup--light .signup__msg.is-success { color: var(--good); }
.signup--light .signup__msg.is-error { color: #B42318; }

/* 11. Footer --------------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--line); padding: 64px 0 32px; margin-top: var(--section); background: var(--surface); }
.site-footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; }
.site-footer__tagline { color: var(--muted); max-width: 320px; margin-top: 14px; }
.site-footer h2 { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); font-weight: 600; margin-bottom: 14px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-footer a { text-decoration: none; color: var(--ink-2); }
.site-footer a:hover { color: var(--accent); }
.site-footer__bottom { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: .85rem; color: var(--muted); }
.site-footer__bottom p { margin: 0; max-width: 640px; }

/* 12. Page heroes, breadcrumbs, prose -------------------------------------- */
.page-hero { padding: clamp(40px, 6vw, 80px) 0 clamp(32px, 5vw, 56px); border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); max-width: 860px; }
.page-hero .lead { max-width: 680px; margin-bottom: 0; }
.page-hero__meta { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; margin-top: 22px; }
.page-hero--grid::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 40px 40px; opacity: .5;
  -webkit-mask-image: linear-gradient(90deg, transparent 30%, #000 100%); mask-image: linear-gradient(90deg, transparent 30%, #000 100%);
}
.breadcrumbs { margin-bottom: 20px; font-size: .88rem; color: var(--muted); }
.breadcrumbs ol { list-style: none; padding: 0; margin: 0; display: flex; gap: 8px; flex-wrap: wrap; }
.breadcrumbs li + li::before { content: "/"; margin-right: 8px; color: var(--line-strong); }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent); }

.prose { font-size: 1.08rem; line-height: 1.75; color: var(--ink-2); }
.prose h2 { font-size: clamp(1.5rem, 2.6vw, 1.9rem); margin-top: 1.8em; color: var(--ink); }
.prose h3 { margin-top: 1.6em; color: var(--ink); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin-bottom: .4em; }
.prose a { color: var(--accent); }
.prose strong { color: var(--ink); }
.callout {
  border: 1px solid var(--accent-line); background: var(--accent-soft); border-radius: var(--radius);
  padding: 20px 22px; margin: 28px 0; color: var(--ink-2);
}
.callout strong { color: var(--accent-ink); font-family: var(--font-display); }
.callout p:last-child { margin-bottom: 0; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.list-check { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.list-check li { display: flex; gap: 12px; align-items: flex-start; }
.list-check li::before {
  content: ""; flex: none; width: 20px; height: 20px; margin-top: 3px; border-radius: 6px; background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%233F2BFF' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 10.5l3.2 3L15 7'/%3E%3C/svg%3E") center / 16px no-repeat;
}

.skill-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.skill-list li { padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.skill-list strong { display: block; font-family: var(--font-display); font-size: 1.02rem; margin-bottom: 4px; }
.skill-list span { font-size: .93rem; color: var(--muted); }

.ladder { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.ladder__item { padding: 22px; border-right: 1px solid var(--line); }
.ladder__item:last-child { border-right: 0; }
.ladder__item.is-now { background: var(--accent-soft); }
.ladder__item h3 { font-size: 1rem; letter-spacing: .06em; text-transform: uppercase; }
.ladder__item p { font-size: .93rem; color: var(--muted); margin: 0 0 12px; }

/* Article placeholder outline */
.outline { counter-reset: o; list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.outline li { counter-increment: o; display: flex; gap: 14px; align-items: baseline; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.outline li::before { content: counter(o, decimal-leading-zero); font-family: var(--font-mono); font-size: .8rem; color: var(--accent); }

/* 13. Tool template -------------------------------------------------------- */
/* Every tool page uses: .tool-hero → .tool-workspace (.tool-panel + .tool-output) → .tool-explainer → related tools */
.tool-hero { padding: clamp(32px, 5vw, 64px) 0 clamp(28px, 4vw, 44px); border-bottom: 1px solid var(--line); }
.tool-hero__grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: end; }
.tool-hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); margin-bottom: .3em; }
.tool-hero__facts { display: grid; gap: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.tool-hero__facts div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: .93rem; }
.tool-hero__facts div:last-child { border-bottom: 0; }
.tool-hero__facts dt { color: var(--muted); }
.tool-hero__facts dd { margin: 0; font-family: var(--font-display); font-weight: 600; text-align: right; }

.tool-workspace { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 28px; align-items: start; padding: 40px 0 var(--section); }
.tool-panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.tool-panel__bar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; padding: 14px 20px; border-bottom: 1px solid var(--line); background: #FCFCFB; }
.tool-panel__bar-title { font-family: var(--font-display); font-weight: 600; display: flex; align-items: center; gap: 10px; }
.tool-panel__actions { display: flex; gap: 6px; flex-wrap: wrap; }
.tool-progress { height: 3px; background: var(--surface-2); }
.tool-progress__bar { height: 100%; width: 0; background: var(--accent); transition: width .4s var(--ease); }
.tool-section { padding: 24px 22px 8px; border-bottom: 1px solid var(--line); }
.tool-section:last-child { border-bottom: 0; padding-bottom: 24px; }
.tool-section__head { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 18px; }
.tool-section__num { flex: none; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; font-size: .9rem; background: var(--accent-soft); color: var(--accent); transition: background .3s, color .3s; }
.tool-section.is-complete .tool-section__num { background: var(--accent); color: #fff; }
.tool-section__head h2 { font-size: 1.2rem; margin: 3px 0 4px; letter-spacing: -0.015em; }
.tool-section__head p { margin: 0; font-size: .93rem; color: var(--muted); }

.tool-output { position: sticky; top: calc(var(--header-h) + 20px); display: grid; gap: 16px; }
.output-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.output-card__head { padding: 16px 20px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.output-card__head h2 { font-size: 1.05rem; margin: 0; }
.output-card__body { padding: 20px; }
.output-key {
  background: var(--ink); color: #fff; border-radius: var(--radius); padding: 18px 20px; margin-bottom: 18px;
}
.output-key small { display: block; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.55); margin-bottom: 8px; }
.output-key p { font-family: var(--font-display); font-size: 1.2rem; line-height: 1.35; letter-spacing: -0.015em; margin: 0; }
.output-key p.is-empty { color: rgba(255,255,255,.45); font-weight: 400; }
.output-list { display: grid; gap: 0; margin: 0; }
.output-list > div { padding: 12px 0; border-bottom: 1px dashed var(--line); display: grid; grid-template-columns: 120px 1fr; gap: 12px; }
.output-list > div:last-child { border-bottom: 0; }
.output-list dt { font-family: var(--font-display); font-size: .8rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); padding-top: 2px; }
.output-list dd { margin: 0; font-size: .96rem; white-space: pre-line; word-break: break-word; }
.output-list dd.is-empty { color: var(--line-strong); font-style: italic; }

.score { display: flex; align-items: center; gap: 14px; }
.score__ring { width: 58px; height: 58px; flex: none; }
.score__ring circle { fill: none; stroke-width: 6; }
.score__ring .bg { stroke: var(--surface-2); }
.score__ring .fg { stroke: var(--accent); stroke-linecap: round; transition: stroke-dashoffset .5s var(--ease); transform: rotate(-90deg); transform-origin: center; }
.score__text strong { display: block; font-family: var(--font-display); font-size: 1.05rem; }
.score__text span { font-size: .88rem; color: var(--muted); }
.checks { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 8px; }
.checks li { display: flex; gap: 10px; align-items: flex-start; font-size: .92rem; }
.checks__icon { flex: none; width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; margin-top: 1px; border: 1.5px solid var(--line-strong); color: transparent; transition: all .3s; }
.checks__icon svg { width: 12px; height: 12px; }
.checks li.is-pass .checks__icon { background: var(--good); border-color: var(--good); color: #fff; }
.checks li strong { font-weight: 600; }
.checks__tip { display: block; color: var(--muted); font-size: .85rem; }
.checks li.is-pass .checks__tip { display: none; }
.checks { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.checks li:not(.is-pass) { grid-column: 1 / -1; }

.tool-toast {
  position: fixed; left: 50%; bottom: 24px; z-index: 150; transform: translate(-50%, 20px);
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 999px; font-size: .92rem;
  opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s var(--ease);
}
.tool-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

.tool-explainer { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: clamp(32px, 6vw, 80px); }
.tool-explainer__nav { position: sticky; top: calc(var(--header-h) + 24px); align-self: start; }
.tool-explainer__nav ul { list-style: none; padding: 0; margin: 0; border-left: 2px solid var(--line); }
.tool-explainer__nav a { display: block; padding: 6px 16px; margin-left: -2px; border-left: 2px solid transparent; text-decoration: none; color: var(--muted); font-size: .95rem; }
.tool-explainer__nav a:hover { color: var(--ink); border-color: var(--ink); }

.coming-soon-panel {
  border: 1px dashed var(--line-strong); border-radius: var(--radius-lg); background: var(--surface);
  padding: clamp(28px, 5vw, 48px); display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center;
}
.coming-soon-panel__art { border-radius: var(--radius); background: var(--paper); border: 1px solid var(--line); aspect-ratio: 4 / 3; display: grid; place-items: center; padding: 24px; }
.coming-soon-panel__art svg { width: 100%; height: 100%; color: var(--ink); }

/* 14. Forms ---------------------------------------------------------------- */
.field { margin-bottom: 18px; }
.field label, .field__label { display: block; font-family: var(--font-display); font-weight: 600; font-size: .95rem; margin-bottom: 4px; }
.field__hint { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 8px; }
.field__opt { font-family: var(--font-body); font-weight: 400; color: var(--muted); font-size: .82rem; }
.input, .textarea, .select {
  width: 100%; min-height: 46px; padding: 11px 14px; border-radius: 10px;
  border: 1px solid var(--line-strong); background: #FDFDFC;
  transition: border-color .2s, box-shadow .2s, background .2s;
  font-size: 1rem; /* 16px+ prevents iOS zoom */
}
.textarea { min-height: 92px; resize: vertical; line-height: 1.5; }
.input:hover, .textarea:hover { border-color: #B9B5AB; }
.input:focus, .textarea:focus, .select:focus { outline: none; border-color: var(--accent); background: #fff; box-shadow: 0 0 0 3px var(--accent-soft); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field__count { float: right; font-family: var(--font-body); font-size: .78rem; font-weight: 400; color: var(--muted); }
.pills { display: flex; flex-wrap: wrap; gap: 6px; }
.pill { border: 1px solid var(--line-strong); background: var(--surface); border-radius: 999px; padding: 6px 12px; cursor: pointer; font-size: .88rem; transition: all .2s; }
.pill:hover { border-color: var(--ink); }
.pill[aria-pressed="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }

/* 15. Motion & reveal ------------------------------------------------------ */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-stagger > * { opacity: 0; transform: translateY(14px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal-stagger.is-visible > * { opacity: 1; transform: none; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: .06s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: .12s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: .18s; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: .24s; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: .3s; }
.reveal-stagger.is-visible > *:nth-child(n+7) { transition-delay: .36s; }
.no-js .reveal, .no-js .reveal-stagger > * { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal, .reveal-stagger > * { opacity: 1; transform: none; }
  .flow__dot { background: var(--accent); border-color: var(--accent); color: #fff; }
  .flow__steps::after { height: 100%; }
}

/* 16. Utilities ------------------------------------------------------------ */
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.center { text-align: center; }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 12px; } .mt-2 { margin-top: 24px; } .mt-3 { margin-top: 40px; }
.mb-0 { margin-bottom: 0; }
.stack > * + * { margin-top: 16px; }
.divider { height: 1px; background: var(--line); border: 0; margin: 48px 0; }

/* 17. Responsive ----------------------------------------------------------- */
@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero__grid { grid-template-columns: 1fr; }
  .flow { margin: 0 auto; }
  .transform { grid-template-columns: 1fr; }
  .tool-workspace { grid-template-columns: 1fr; }
  .tool-output { position: static; }
  .ladder { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ladder__item:nth-child(2) { border-right: 0; }
  .ladder__item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}
@media (max-width: 900px) {
  .nav, .site-header__cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .grid-3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step:not(:last-child)::after { top: auto; bottom: -21px; left: 45px; right: auto; width: 2px; height: 22px; }
  .brief { grid-template-columns: 1fr; }
  .split, .tool-hero__grid { grid-template-columns: 1fr; }
  .tool-explainer { grid-template-columns: 1fr; }
  .tool-explainer__nav { position: static; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .site-footer__brand { grid-column: 1 / -1; }
  .coming-soon-panel { grid-template-columns: 1fr; }
}
@media (min-width: 901px) { .mobile-nav { display: none; } }
@media (max-width: 640px) {
  body { font-size: 16px; }
  .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .hero__ctas .btn { flex: 1 1 100%; }
  .flow__steps { padding-left: 4px; }
  .flow__steps::before, .flow__steps::after { left: 21px; }
  .flow__mini { display: none; }
  .flow__note { font-size: .72rem; }
  .tree { grid-template-columns: 1fr; gap: 14px; }
  .tree__root { max-width: none; text-align: center; }
  .tree__branches { padding-left: 22px; }
  .tree__branches::before { left: 2px; top: -14px; }
  .tree__branches::after { display: none; }
  .tree__branch::before { left: -20px; width: 19px; }
  .pad { grid-template-columns: 1fr; }
  .transform__before, .transform__after { padding: 20px; }
  .signup__row { flex-direction: column; border-radius: var(--radius); }
  .signup .btn { width: 100%; }
  .skill-list { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .output-list > div { grid-template-columns: 1fr; gap: 2px; }
  .ladder { grid-template-columns: 1fr; }
  .ladder__item { border-right: 0; border-bottom: 1px solid var(--line); }
  .ladder__item:last-child { border-bottom: 0; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .toolbar .search { flex: 1 1 100%; }
  .filters { flex-wrap: nowrap; overflow-x: auto; margin-left: calc(var(--gutter) * -1); margin-right: calc(var(--gutter) * -1); padding: 2px var(--gutter); scrollbar-width: none; }
  .filters::-webkit-scrollbar { display: none; }
  .filter { flex: none; }
  .tool-section { padding: 20px 16px 4px; }
  .tool-panel__bar { padding: 12px 16px; }
}

/* 18. Print (tools print their results cleanly) ---------------------------- */
@media print {
  .site-header, .site-footer, .mobile-nav, .tool-hero, .tool-panel, .tool-explainer, .related, .no-print, .brief, .tool-toast { display: none !important; }
  body { background: #fff; }
  .tool-workspace { display: block; padding: 0; }
  .tool-output { position: static; }
  .output-card { border: 0; }
  .output-key { background: #fff; color: #000; border: 2px solid #000; }
  .output-key small { color: #555; }
}

/* Transformation: decision flag */
.tree__flag { display: none; margin-left: auto; }
.transform.is-decided .tree__branch:nth-child(4) .tree__flag { display: inline-flex; }
.transform.is-decided .tree__branch.is-priority:nth-child(2) { opacity: .62; border-color: var(--line); background: var(--paper); }
.transform.is-decided .tree__branch.is-priority:nth-child(2) .tree__score i:nth-child(n) { background: var(--line); }
.output-score { padding: 4px 0 18px; margin-bottom: 4px; border-bottom: 1px solid var(--line); }
.coming-soon-panel__art svg { max-width: 200px; stroke-width: .9; color: var(--accent); }
.signup__msg:empty { display: none; }
@media (max-width: 900px) { .coming-soon-panel__art { display: none; } }

/* ==========================================================================
   19. Futureback problem-solving process
   .process      — homepage strip (Frame → … → Recommend)
   .stage-track  — "you are here" indicator on tool pages
   .stage-map    — tools grouped by stage (Tools page, Method page)
   .next-step    — "what to do next" panel on tool results
   ========================================================================== */
.process { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; }
.process__stage {
  position: relative; display: flex; flex-direction: column; gap: 6px; height: 100%;
  padding: 18px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
  text-decoration: none; transition: border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}
a.process__stage:hover { border-color: var(--accent-line); transform: translateY(-2px); box-shadow: var(--shadow); }
.process li { position: relative; }
.process li:not(:last-child)::after {
  content: ""; position: absolute; z-index: 1; top: 50%; right: -11px; width: 10px; height: 10px;
  border-top: 2px solid var(--accent); border-right: 2px solid var(--accent); transform: translateY(-50%) rotate(45deg);
}
.process__num { font-family: var(--font-mono); font-size: .75rem; color: var(--accent); }
.process__name { font-family: var(--font-display); font-weight: 700; font-size: .95rem; letter-spacing: .08em; text-transform: uppercase; }
.process__line { font-size: .88rem; color: var(--muted); line-height: 1.45; }
.process__stage--first { background: var(--ink); border-color: var(--ink); }
.process__stage--first .process__name { color: #fff; }
.process__stage--first .process__line { color: rgba(255,255,255,.7); }
.process__stage--first .process__num { color: #A79DFF; }
.process-foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 24px; color: var(--muted); font-size: .95rem; }

.stage-track { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; min-width: 0; }
.stage-track__label { flex: none; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.stage-track ol { list-style: none; margin: 0; padding: 2px; display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; min-width: 0; }
.stage-track ol::-webkit-scrollbar { display: none; }
.stage-track li {
  flex: none; display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px;
  font-family: var(--font-display); font-size: .74rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--line); background: var(--surface);
}
.stage-track li span { font-family: var(--font-mono); font-weight: 400; letter-spacing: 0; opacity: .8; }
.stage-track li[aria-current="step"] { background: var(--accent); border-color: var(--accent); color: #fff; }
.stage-track li[aria-current="step"] span { opacity: 1; }

.stage-map { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; }
.stage-map__col { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 18px 16px; display: flex; flex-direction: column; gap: 6px; scroll-margin-top: calc(var(--header-h) + 24px); }
.stage-map__col:target { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.stage-map__col h3 { font-size: .95rem; letter-spacing: .08em; text-transform: uppercase; margin: 0; }
.stage-map__col > p { font-size: .86rem; color: var(--muted); margin: 0 0 8px; line-height: 1.45; }
.stage-map__tools { list-style: none; margin: 0; padding: 10px 0 0; border-top: 1px dashed var(--line); display: grid; gap: 6px; }
.stage-map__tools a { display: flex; justify-content: space-between; align-items: center; gap: 6px; text-decoration: none; font-size: .9rem; font-weight: 500; }
.stage-map__tools a:hover { color: var(--accent); }
.stage-map__tools small { font-size: .7rem; color: var(--muted); font-weight: 400; white-space: nowrap; }
.stage-map__tools .is-live small { color: var(--good); font-weight: 600; }
.stage-map__empty { font-size: .86rem; color: var(--muted); font-style: italic; }
.stage-note { margin-top: 18px; font-size: .92rem; color: var(--muted); }

.next-step { background: var(--ink); color: #fff; border-radius: var(--radius-lg); padding: 22px; }
.next-step__eyebrow { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: #A79DFF; display: block; margin-bottom: 10px; }
.next-step h2 { color: #fff; font-size: 1.25rem; margin-bottom: .35em; }
.next-step p { color: rgba(255,255,255,.72); font-size: .95rem; margin-bottom: 16px; }
.next-step .btn { width: 100%; }

@media (max-width: 1080px) {
  .process, .stage-map { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .process li:nth-child(3n)::after { display: none; }
}
@media (max-width: 640px) {
  .process { grid-template-columns: 1fr; gap: 8px; }
  .process li::after { display: none; }
  .process__stage { flex-direction: row; align-items: baseline; gap: 12px; padding: 14px 16px; }
  .process__name { flex: none; min-width: 120px; }
  .stage-map { grid-template-columns: 1fr; }
  .stage-track { flex-direction: column; align-items: flex-start; gap: 8px; }
  .stage-track ol { max-width: 100%; }
}

/* ==========================================================================
   20. Issue Tree Builder
   .itb-*     — page layout (start screen, toolbar, review panel)
   .itree-*   — the visual tree (horizontal on desktop, vertical on mobile/print)
   .fb-dialog — reusable Confirm / Cancel dialog
   ========================================================================== */
.tool-hero__facts dd svg { display: inline-block; width: 14px; height: 14px; vertical-align: -2px; margin-right: 4px; }
.itb { padding-top: 32px; padding-bottom: var(--section); }

/* Start screen */
.itb-start { max-width: 760px; margin: 0 auto; display: grid; gap: 16px; }
.itb-start__card { padding: clamp(22px, 4vw, 36px); }
.itb-start__label { display: block; font-family: var(--font-display); font-weight: 600; font-size: clamp(1.4rem, 3vw, 1.9rem); letter-spacing: -0.025em; line-height: 1.2; margin-bottom: 6px; }
.itb-start__input { font-size: 1.15rem; min-height: 96px; padding: 14px 16px; }
.itb-start__actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 6px; }
.itb-pf { padding: 20px 22px; border-color: var(--accent-line); background: var(--accent-soft); }
.itb-pf .eyebrow { margin-bottom: 8px; }
.itb-pf .itb-pf__q { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; letter-spacing: -0.01em; color: var(--ink); margin: 0 0 14px; }
.itb-pf__foot { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.itb-pf__foot .meta a { color: inherit; }

/* Workspace toolbar */
.itb-restored { margin: 0 0 16px; }
.itb-bar { display: flex; justify-content: space-between; align-items: center; gap: 12px 20px; flex-wrap: wrap; padding: 10px 12px 10px 18px; margin-bottom: 14px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.itb-stats { display: flex; align-items: center; gap: 6px 18px; flex-wrap: wrap; margin: 0; font-size: .9rem; }
.itb-stats div { display: flex; gap: 6px; align-items: baseline; }
.itb-stats dt { color: var(--muted); }
.itb-stats dd { margin: 0; font-family: var(--font-display); font-weight: 600; }
.itb-stats div + div::before { content: "·"; color: var(--line-strong); margin-right: 12px; }
.itb-stats dd[data-state="strong"] { color: var(--good); }
.itb-stats dd[data-state="review"], .itb-stats dd[data-state="stale"] { color: var(--warn); }
.itb-bar__actions { display: flex; gap: 4px; flex-wrap: wrap; }
.itb-bar__actions .btn svg { width: 16px; height: 16px; }
.itb-bar__actions .btn:hover svg { transform: none; }
.itb-restart { color: var(--muted); }

.itree-tip { margin: 0 0 14px; padding: 10px 14px 10px 40px; position: relative; font-size: .92rem; color: var(--ink-2); border-left: 3px solid var(--accent); background: var(--surface); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.itree-tip::before { content: "Tip"; position: absolute; left: 10px; top: 11px; font-family: var(--font-mono); font-size: .66rem; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); }
.itree-tip strong { font-family: var(--font-display); color: var(--ink); }
.itb-hint { display: flex; justify-content: space-between; gap: 8px 16px; flex-wrap: wrap; margin: 10px 2px 28px; }
.itb-hint span:last-child { display: inline-flex; align-items: center; gap: 6px; }

/* Review (MECE self-check) */
.itb-review { margin-bottom: 14px; padding: clamp(18px, 3vw, 28px); background: var(--surface); border: 1px solid var(--accent-line); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.itb-review__head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 18px; }
.itb-review__head h2 { font-size: 1.35rem; margin-bottom: .25em; outline: none; }
.itb-review__grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.itb-review__qs { display: grid; gap: 10px; }
.itb-q { border: 1px solid var(--line); border-radius: var(--radius); margin: 0; padding: 14px 16px; min-width: 0; }
.itb-q legend { padding: 0; float: left; width: 100%; margin-bottom: 10px; }
.itb-q legend strong { display: block; font-family: var(--font-display); font-size: 1rem; }
.itb-q legend span { display: block; font-size: .88rem; color: var(--muted); }
.itb-choices { clear: both; display: flex; gap: 6px; flex-wrap: wrap; }
.itb-choice { position: relative; }
.itb-choice input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.itb-choice span { display: inline-flex; align-items: center; gap: 6px; min-height: 38px; padding: 0 14px; border: 1px solid var(--line-strong); border-radius: 999px; cursor: pointer; font-size: .9rem; font-family: var(--font-display); font-weight: 500; background: var(--surface); transition: background .2s, color .2s, border-color .2s; }
.itb-choice span::before { content: ""; width: 12px; height: 12px; border-radius: 50%; border: 1.5px solid currentColor; opacity: .55; }
.itb-choice input:checked + span { background: var(--ink); border-color: var(--ink); color: #fff; }
.itb-choice input:checked + span::before { opacity: 1; background: #fff; box-shadow: inset 0 0 0 2px var(--ink); }
.itb-choice input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.itb-choice span:hover { border-color: var(--ink); }
.itb-result { padding: 18px; border-radius: var(--radius); background: var(--paper); border: 1px solid var(--line); }
.itb-result[data-state="strong"] { background: var(--good-soft); border-color: #BFE3D3; }
.itb-result[data-state="review"] { background: var(--warn-soft); border-color: #F1D9B3; }
.itb-result__title { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; margin: 0 0 6px; }
.itb-result__title .checks__icon { background: var(--good); border-color: var(--good); color: #fff; }
.itb-result__flag { width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; background: var(--warn); color: #fff; font-size: .8rem; font-weight: 700; }
.itb-result p { font-size: .94rem; }
.itb-result__list { margin: 0 0 12px; padding-left: 1.1em; font-size: .9rem; color: var(--ink-2); display: grid; gap: 6px; }
.itb-result__deeper { padding-top: 12px; border-top: 1px solid rgba(20,21,26,.08); display: flex; gap: 8px; flex-wrap: wrap; align-items: center; font-size: .92rem; }

/* Canvas + tree (desktop: horizontal) */
.itree-canvas { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow-x: auto; background-image: radial-gradient(var(--line) 1px, transparent 1px); background-size: 18px 18px; }
.itree { display: inline-flex; min-width: 100%; padding: 28px 24px; }
.itree__branch { display: flex; align-items: center; }
.itree__children { list-style: none; margin: 0; padding: 0 0 0 22px; position: relative; display: flex; flex-direction: column; }
.itree__children::before { content: ""; position: absolute; left: 0; top: 50%; width: 22px; border-top: 2px solid var(--line-strong); }
.itree__item { position: relative; padding: 5px 0 5px 22px; display: flex; align-items: center; }
.itree__item::before { content: ""; position: absolute; left: 0; top: 50%; width: 22px; border-top: 2px solid var(--line-strong); }
.itree__item::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; border-left: 2px solid var(--line-strong); }
.itree__item:first-child::after { top: 50%; }
.itree__item:last-child::after { bottom: calc(50% - 2px); }
.itree__item:only-child::after { display: none; }
.itree__item--add::before { border-top-style: dashed; }

.itree__node {
  position: relative; z-index: 1; flex: none;
  display: flex; flex-direction: column; gap: 2px;
  width: 190px; padding: 8px 10px 10px 12px;
  background: var(--surface); border: 1.5px solid var(--line-strong); border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: border-color .2s, box-shadow .2s, transform .2s var(--ease);
}
.itree__node:hover { border-color: var(--ink-2); box-shadow: var(--shadow); }
.itree__node--root { width: 240px; background: var(--ink); border-color: var(--ink); padding: 12px 12px 14px 16px; }
.itree__node--l1 { border-color: var(--ink); }
.itree__node.is-editing { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); width: 230px; }
.itree__node--root.is-editing { width: 280px; }
.itree__node.is-crowded { border-style: dashed; }
.itree__top { display: flex; justify-content: space-between; align-items: center; gap: 6px; min-height: 24px; }
.itree__num { font-family: var(--font-mono); font-size: .7rem; color: var(--muted); letter-spacing: .02em; }
.itree__node--root .itree__num { color: #A79DFF; text-transform: uppercase; letter-spacing: .08em; }
.itree__label {
  display: block; width: 100%; text-align: left; border: 0; background: none; padding: 0; margin: 0; cursor: text;
  font-family: var(--font-display); font-weight: 600; font-size: .98rem; line-height: 1.3; letter-spacing: -0.01em; color: var(--ink);
  overflow-wrap: anywhere; border-radius: 4px;
}
.itree__node--root .itree__label { color: #fff; font-size: 1.1rem; }
.itree__label:hover { text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
.itree__node--root .itree__label:hover { text-decoration-color: rgba(255,255,255,.4); }
.itree__node--root .itree__label:focus-visible { outline-color: #A79DFF; }
.itree__actions { position: absolute; top: 5px; right: 6px; display: inline-flex; gap: 2px; opacity: 0; transition: opacity .15s; }
.itree__node:hover .itree__actions, .itree__node:focus-within .itree__actions { opacity: 1; }
@media (hover: none) { .itree__actions { opacity: 1; } }
.itree__act {
  width: 26px; height: 26px; display: grid; place-items: center; border: 1px solid transparent; border-radius: 7px;
  background: transparent; color: var(--muted); cursor: pointer; transition: background .15s, color .15s, border-color .15s;
}
.itree__act svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.itree__act:hover, .itree__act:focus-visible { background: var(--accent-soft); color: var(--accent); }
.itree__act--delete:hover, .itree__act--delete:focus-visible { background: #FDECEA; color: #B42318; }
.itree__node--root .itree__act { color: rgba(255,255,255,.7); }
.itree__node--root .itree__act:hover, .itree__node--root .itree__act:focus-visible { background: rgba(255,255,255,.12); color: #fff; }
.itree__input { width: 100%; min-height: 40px; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--accent); background: #fff; font-family: var(--font-display); font-weight: 600; font-size: 1rem; color: var(--ink); }
.itree__input:focus { outline: none; box-shadow: 0 0 0 3px var(--accent-soft); }
.itree__keys { font-size: .72rem; color: var(--muted); margin-top: 4px; }
.itree__node--root .itree__keys { color: rgba(255,255,255,.6); }
.itree__error { font-size: .8rem; color: #B42318; margin: 4px 0 0; min-height: 0; }
.itree__error:empty { display: none; }
.itree__node--root .itree__error { color: #FFB4A8; }
.itree__add {
  min-height: 44px; padding: 0 16px; border: 1.5px dashed var(--line-strong); border-radius: 12px; background: var(--paper);
  font-family: var(--font-display); font-weight: 600; font-size: .95rem; color: var(--ink-2); cursor: pointer; white-space: nowrap;
  transition: border-color .2s, color .2s, background .2s;
}
.itree__add:hover, .itree__add:focus-visible { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

/* Next step (wide variant) */
.next-step--wide { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 20px 32px; align-items: center; padding: clamp(22px, 3.5vw, 36px); }
.next-step--wide p { margin-bottom: 0; }
.next-step__actions { display: grid; gap: 10px; }
.btn--on-dark { background: transparent; color: #fff; border-color: rgba(255,255,255,.3); }
.btn--on-dark:hover { border-color: #fff; }

/* Dialog */
.fb-dialog { width: min(440px, calc(100vw - 32px)); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow-lg); color: var(--ink); background: var(--surface); }
.fb-dialog::backdrop { background: rgba(20, 21, 26, .45); }
.fb-dialog h2 { font-size: 1.3rem; margin-bottom: .4em; }
.fb-dialog p { color: var(--ink-2); }
.fb-dialog__actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; flex-wrap: wrap; }

/* Tablet */
@media (max-width: 1080px) {
  .itb-review__grid { grid-template-columns: 1fr; }
  .next-step--wide { grid-template-columns: 1fr; }
}

/* Smaller desktops / landscape tablets: compact nodes */
@media (max-width: 1180px) {
  .itree__node { width: 160px; }
  .itree__node--root { width: 200px; }
  .itree__node.is-editing { width: 200px; }
}
/* Portrait tablets, phones and print: vertical hierarchy with indentation */
@media (max-width: 900px), print {
  .itree-canvas { overflow: visible; }
  .itree { display: block; min-width: 0; padding: 16px 14px 18px; }
  .itree__branch { display: block; }
  .itree__node, .itree__node--root, .itree__node.is-editing, .itree__node--root.is-editing { width: auto; max-width: none; }
  .itree__children { padding: 0 0 0 14px; margin-left: 12px; }
  .itree__children::before { display: none; }
  .itree__item { display: block; padding: 8px 0 0 16px; }
  .itree__item::before { top: 30px; width: 16px; }
  .itree__item::after { top: 0; bottom: 0; }
  .itree__item:first-child::after { top: 0; }
  .itree__item:last-child::after { bottom: auto; height: 31px; }
  .itree__item:only-child::after { display: block; }
  .itree__item--add::before { top: 30px; }
  .itree__add { width: 100%; text-align: left; }
}
@media (max-width: 760px) {
  .itree__actions { opacity: 1; }
  .itree__act { width: 36px; height: 36px; }
  .itree__act svg { width: 16px; height: 16px; }
  .itree__top { min-height: 36px; }
  .itb-bar { padding: 12px; }
  .itb-bar__actions { width: 100%; }
  .itb-bar__actions .btn[data-action="review"] { flex: 1 1 100%; }
  .itb-stats { gap: 4px 14px; }
  .itb-stats div + div::before { display: none; }
  .itb-review__head { flex-direction: column-reverse; align-items: stretch; }
  .itb-review__head .btn { align-self: flex-end; }
  .itb-start__actions .btn { flex: 1 1 100%; }
}
@media print {
  .itb-bar, .itb-review, .itree-tip, .itb-hint, .itb-restored, .itree__actions, .itree__item--add, .fb-dialog { display: none !important; }
  .itb { padding: 0; }
  .itree-canvas { border: 0; background: none; }
  .itree__node { box-shadow: none; break-inside: avoid; }
  .itree__node--root { background: #fff; border: 2px solid #000; }
  .itree__node--root .itree__label { color: #000; }
  .itree__node--root .itree__num { color: #555; }
}

/* The hidden attribute always wins over component display rules */
[hidden] { display: none !important; }
@media print {
  .itree__branch--root > .itree__children > .itree__item:nth-last-child(2)::after { bottom: auto; height: 31px; }
  .itree__branch--root > .itree__children > .itree__item:nth-last-child(2):first-child::after { top: 0; }
}
@media print { .tool-explainer-wrap { display: none !important; } }