/* MoreHuman Ed: editorial human systems. Uses tokens.css (shared with Discovery Lab). */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 5rem; overflow-x: clip; }
body {
  overflow-x: clip;
  min-height: 100vh; line-height: 1.6; -webkit-font-smoothing: antialiased;
  font-family: var(--font-ui); font-size: var(--step-0); color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: var(--grid) var(--grid), var(--grid) var(--grid);
  background-position: -1px -1px;
}
img, svg { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
p, h1, h2, h3, li { overflow-wrap: break-word; }
p { max-width: var(--measure); text-wrap: pretty; }
ul, ol { padding: 0; list-style: none; }
a { color: var(--accent-text); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { color: var(--accent-hi); }
:focus-visible { outline: var(--focus-ring) solid var(--blue); outline-offset: 3px; border-radius: 3px; }

h1, h2, h3 {
  font-family: var(--font-display); font-weight: 600;
  font-variation-settings: "opsz" 40, "wght" 600;
  line-height: 1.08; letter-spacing: -0.015em; text-wrap: balance;
}
h1 { font-size: var(--step-5); }
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-2); }

.shell { width: min(100% - 2.5rem, var(--shell)); margin-inline: auto; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--ink); color: var(--surface); padding: .75rem 1rem; z-index: 100; }
.skip-link:focus { left: 1rem; top: 1rem; }

/* ---- Eyebrow, rule ---- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--font-data); font-size: var(--step--1); letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-2);
}
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--signal); flex: none; }
.rule { display: block; height: 2px; width: 56px; background: var(--signal); margin: var(--sp-4) 0 var(--sp-5); transform-origin: left; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 46px; padding: .7rem 1.3rem; border-radius: var(--radius);
  font-weight: 650; text-decoration: none; line-height: 1.2;
  background: var(--ink); color: var(--surface); border: 1.5px solid var(--ink);
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast), box-shadow var(--dur-fast);
}
.btn:hover { background: var(--forest); border-color: var(--forest); color: var(--surface); transform: translateY(-1px); box-shadow: var(--shadow-2); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn.ghost:hover { background: var(--surface); color: var(--ink); border-color: var(--ink-2); }
.btn.on-dark { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn.on-dark:hover { background: #fff; color: var(--ink); }
.btn .arrow { transition: transform var(--dur-fast) var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }
.btns { display: flex; gap: var(--sp-3); flex-wrap: wrap; }

/* ---- Header ---- */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-head__inner { display: flex; align-items: center; gap: var(--sp-5); min-height: 68px; }
.wordmark { display: inline-flex; align-items: center; gap: .65rem; color: var(--ink); text-decoration: none; margin-right: auto; }
.wordmark:hover { color: var(--ink); }
.wordmark__text { font-family: var(--font-display); font-variation-settings: "opsz" 30, "wght" 650; font-size: 1.2rem; letter-spacing: -.01em; }
.mark-img { width: 54px; height: 54px; flex: none; object-fit: contain; }
.nav { display: flex; align-items: center; gap: var(--sp-5); }
.nav a { color: var(--ink-2); text-decoration: none; font-size: .95rem; font-weight: 500; padding: .5rem 0; position: relative; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"]::after, .nav a:not(.btn):not(.lang)::after {
  content: ""; position: absolute; left: 0; bottom: .15rem; height: 1.5px; width: 100%;
  background: var(--signal); transform: scaleX(0); transform-origin: left; transition: transform var(--dur-mid) var(--ease);
}
.nav a[aria-current="page"]::after, .nav a:not(.btn):not(.lang):hover::after { transform: scaleX(1); }
.lang {
  font-family: var(--font-data); font-size: .8rem !important; letter-spacing: .08em;
  border: 1px solid var(--line-strong); border-radius: var(--radius); padding: .45rem .7rem !important; min-height: 38px;
  display: inline-flex; align-items: center;
}
.nav .btn { padding: .55rem 1rem; min-height: 42px; color: var(--surface); }
.nav-toggle { display: none; width: 46px; height: 46px; border: 1px solid var(--line-strong); border-radius: var(--radius); align-items: center; justify-content: center; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { display: block; width: 20px; height: 2px; background: var(--ink); position: relative; content: ""; transition: transform var(--dur-mid) var(--ease), background var(--dur-fast); }
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--surface); border-bottom: 1px solid var(--line-strong); padding: var(--sp-3) 1.25rem var(--sp-5);
    display: none; box-shadow: var(--shadow-3);
  }
  .nav.open { display: flex; }
  .nav a { padding: .9rem 0; font-size: 1.05rem; border-bottom: 1px solid var(--line); min-height: 48px; display: flex; align-items: center; }
  .nav a::after { display: none; }
  .nav .lang, .nav .btn { margin-top: var(--sp-3); justify-content: center; border-bottom-width: 1.5px; }
}

/* ---- Sections ---- */
section { padding-block: clamp(3.5rem, 8vw, 6.5rem); }
section.tint { background: color-mix(in srgb, var(--surface) 78%, transparent); border-block: 1px solid var(--line); }
.section-head { margin-bottom: var(--sp-7); max-width: 46rem; }
.section-head p { color: var(--ink-2); font-size: var(--step-1); margin-top: var(--sp-3); }

/* ---- Hero ---- */
.hero { padding-block: clamp(3rem, 7vw, 6rem) clamp(3rem, 6vw, 5rem); }
.hero__grid { display: grid; gap: var(--sp-7); align-items: center; grid-template-columns: 1fr; }
.hero h1 { margin: var(--sp-4) 0 0; }
.hero h1 em { font-style: normal; color: var(--forest); }
.hero__lede { font-size: var(--step-1); color: var(--ink-2); margin: var(--sp-4) 0 var(--sp-6); max-width: 38rem; }
.hero__visual { justify-self: center; width: min(100%, 440px); }
.hero__visual svg { width: 100%; color: var(--ink); overflow: visible; }
.hero__visual text { font-family: var(--font-data); font-size: 11px; letter-spacing: .14em; fill: var(--ink-3); text-transform: uppercase; }
.orbit { transform-origin: 200px 200px; animation: orbit 90s linear infinite; }
@keyframes orbit { to { transform: rotate(360deg); } }
.pulse { transform-origin: center; transform-box: fill-box; animation: pulse 3.2s var(--ease) infinite; }
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.18); } }
@media (min-width: 900px) { .hero__grid { grid-template-columns: 1.15fr .85fr; } }

.page-hero { padding-block: clamp(2.75rem, 6vw, 5rem) clamp(1.5rem, 3vw, 2.5rem); }
.page-hero h1 { font-size: var(--step-4); margin: var(--sp-4) 0 var(--sp-3); max-width: 22ch; }
.page-hero .hero__lede { margin-bottom: var(--sp-5); }

/* ---- Cards ---- */
.card {
  background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--radius-lg);
  padding: var(--sp-6); box-shadow: var(--shadow-1);
  transition: transform var(--dur-mid) var(--ease), box-shadow var(--dur-mid) var(--ease);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); }
.card h3 { margin-bottom: var(--sp-3); }
.card p { color: var(--ink-2); }
.num { font-family: var(--font-data); font-size: var(--step--1); letter-spacing: .12em; color: var(--accent-text); font-weight: 600; display: block; margin-bottom: var(--sp-4); }
.grid-3 { display: grid; gap: var(--sp-5); grid-template-columns: repeat(auto-fit, minmax(min(100%, 17.5rem), 1fr)); }
.grid-2 { display: grid; gap: var(--sp-5); grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); }

/* ---- Problem visual ---- */
.problem { display: grid; gap: var(--sp-7); align-items: center; grid-template-columns: 1fr; }
@media (min-width: 900px) { .problem { grid-template-columns: .9fr 1.1fr; } }
.problem__copy p { color: var(--ink-2); margin-top: var(--sp-4); }
.compare { display: grid; gap: var(--sp-4); grid-template-columns: 1fr 1fr; }
.panel { background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--radius-lg); padding: var(--sp-5); }
.panel .label { font-family: var(--font-data); font-size: var(--step--1); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); display: block; margin-bottom: var(--sp-4); min-height: 2.6em; }
.tiles { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.tiles i { aspect-ratio: 1; border-radius: 4px; background: var(--surface-2); border: 1px solid var(--line); display: block; }
.tiles.varied i { transition: transform var(--dur-slow) var(--ease), background var(--dur-slow); }
.tiles.varied i:nth-child(5n+1) { background: var(--accent-wash); border-color: var(--accent); border-radius: 50%; }
.tiles.varied i:nth-child(5n+2) { background: var(--signal-wash); border-color: var(--signal); }
.tiles.varied i:nth-child(5n+3) { background: color-mix(in srgb, var(--blue) 14%, transparent); border-color: var(--blue); border-radius: 50% 4px; }
.tiles.varied i:nth-child(5n+4) { background: var(--surface); border-color: var(--ink-2); border-radius: 4px 50%; }
.tiles.varied i:nth-child(5n) { background: var(--accent); border-color: var(--accent); border-radius: 2px; transform: scale(.82); }
.panel p { font-size: .9rem; color: var(--ink-2); margin-top: var(--sp-4); }

/* ---- Workshops ---- */
.workshop { display: flex; flex-direction: column; }
.workshop dl { margin: var(--sp-4) 0 var(--sp-5); display: grid; gap: var(--sp-3); }
.workshop dt { font-family: var(--font-data); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.workshop dd { margin: .1rem 0 0; color: var(--ink); }
.workshop .btn { margin-top: auto; align-self: flex-start; }
.pill { display: inline-block; font-family: var(--font-data); font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; border: 1px solid var(--line-strong); border-radius: 999px; padding: .2rem .7rem; color: var(--ink-2); background: var(--paper); }

/* ---- Process ---- */
.process { position: relative; display: grid; gap: var(--sp-6); padding-left: 3.25rem; --p: 0; }
.process::before { content: ""; position: absolute; left: 1.1rem; top: .6rem; bottom: .6rem; width: 2px; background: var(--line-strong); }
.process::after { content: ""; position: absolute; left: 1.1rem; top: .6rem; width: 2px; height: calc((100% - 1.2rem) * var(--p)); background: var(--signal); transition: height 120ms linear; }
.process li { position: relative; }
.process li::before {
  content: counter(step); counter-increment: step; position: absolute; left: -3.25rem; top: 0;
  width: 2.2rem; height: 2.2rem; border-radius: 50%; background: var(--surface); border: 1.5px solid var(--line-strong);
  display: grid; place-items: center; font-family: var(--font-data); font-size: .8rem; font-weight: 600;
}
.process { counter-reset: step; }
.process h3 { font-size: var(--step-1); margin-bottom: .3rem; }
.process p { color: var(--ink-2); }
.steps { counter-reset: s; display: grid; gap: var(--sp-3); }
.steps li { counter-increment: s; background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--radius-lg); padding: var(--sp-4) var(--sp-5) var(--sp-4) 4rem; position: relative; }
.steps li::before { content: counter(s); position: absolute; left: var(--sp-4); top: var(--sp-4); width: 2.1rem; height: 2.1rem; border-radius: 50%; background: var(--accent-wash); border: 1.5px solid var(--accent); display: grid; place-items: center; font-family: var(--font-data); font-size: .8rem; font-weight: 600; color: var(--accent-text); }

/* ---- Library cards ---- */
.library .thumb {
  aspect-ratio: 16/9; border-radius: var(--radius); margin: calc(var(--sp-6) * -1) calc(var(--sp-6) * -1) var(--sp-5);
  border-bottom: 1px solid var(--line-strong); border-radius: var(--radius-lg) var(--radius-lg) 0 0; overflow: hidden;
  background-color: var(--surface-2);
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 24px 24px; position: relative;
}
.thumb svg { position: absolute; inset: 0; margin: auto; width: 34%; color: var(--ink); opacity: .85; }
.library .card { padding-top: 0; overflow: hidden; }
.library .tag { margin-bottom: var(--sp-3); }

/* ---- Discovery Lab feature ---- */
.dl-feature {
  position: relative; display: grid; gap: var(--sp-7); align-items: center; grid-template-columns: 1fr;
  background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 3.5rem); box-shadow: var(--shadow-2); overflow: hidden;
}
.dl-feature::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; background-image: linear-gradient(90deg, var(--line-strong) 1px, transparent 1px); background-size: 16px 4px; }
.dl-feature h2 { font-size: var(--step-4); margin: var(--sp-3) 0 var(--sp-4); }
.dl-feature p { color: var(--ink-2); margin-bottom: var(--sp-5); }
.dl-feature .mark { width: min(100%, 300px); justify-self: center; color: #1D211C; }
.shared { display: flex; gap: var(--sp-2); flex-wrap: wrap; margin-bottom: var(--sp-5); }
@media (min-width: 900px) { .dl-feature { grid-template-columns: 1.2fr .8fr; } }

/* ---- Evidence / trust ---- */
.evidence ul { margin-top: var(--sp-3); display: grid; gap: .5rem; }
.evidence li { position: relative; padding-left: 1.3rem; color: var(--ink-2); }
.evidence li::before { content: ""; position: absolute; left: 0; top: .6em; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.ghost-card { border-style: dashed; background: transparent; box-shadow: none; }
.ghost-card:hover { transform: none; box-shadow: none; }

/* ---- About ---- */
.about-grid { display: grid; gap: var(--sp-7); grid-template-columns: 1fr; align-items: start; }
@media (min-width: 820px) { .about-grid { grid-template-columns: minmax(0, 340px) 1fr; } }
.portrait { width: 100%; max-width: 340px; aspect-ratio: 1/1; object-fit: cover; border-radius: var(--radius-lg); border: 1px solid var(--line-strong); box-shadow: var(--shadow-2); }
.prose p { margin-bottom: var(--sp-4); color: var(--ink-2); }
.prose h2 { margin: var(--sp-6) 0 var(--sp-3); font-size: var(--step-3); }
.prose h3 { margin: var(--sp-5) 0 var(--sp-2); font-size: var(--step-1); }
.prose { max-width: var(--measure); }
.tick li { position: relative; padding-left: 1.5rem; margin: .5rem 0; color: var(--ink-2); }
.tick li::before { content: ""; position: absolute; left: 0; top: .65em; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.notice { border-left: 3px solid var(--signal); background: var(--surface); padding: var(--sp-4) var(--sp-5); border-radius: 0 var(--radius) var(--radius) 0; color: var(--ink-2); }

/* ---- Final CTA ---- */
.final { background: var(--ink); color: var(--surface); position: relative; overflow: hidden; border: 0; }
.final::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgb(255 255 255 / .06) 1px, transparent 1px), linear-gradient(90deg, rgb(255 255 255 / .06) 1px, transparent 1px);
  background-size: var(--grid) var(--grid);
}
.final .shell { position: relative; }
.final h2 { max-width: 20ch; color: var(--surface); }
.final p { color: #D9DCD3; font-size: var(--step-1); margin: var(--sp-4) 0 var(--sp-6); }
.final .eyebrow { color: #D9DCD3; }
.final a:not(.btn) { color: #fff; }

/* ---- Footer ---- */
.site-foot { border-top: 1px solid var(--line-strong); padding-block: var(--sp-7); font-size: .95rem; color: var(--ink-2); background: color-mix(in srgb, var(--surface) 70%, transparent); }
.site-foot__inner { display: grid; gap: var(--sp-6); grid-template-columns: 1fr; }
@media (min-width: 760px) { .site-foot__inner { grid-template-columns: 1.4fr 1fr 1fr; } }
.site-foot h4 { font-family: var(--font-data); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: var(--sp-3); font-weight: 500; }
.site-foot li { margin: .35rem 0; }
.site-foot .mark-img { width: 60px; height: 60px; }
.site-foot a { color: var(--ink-2); }
.site-foot a:hover { color: var(--accent-text); }

/* ---- Floating CTA ---- */
.float-cta {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 40;
  opacity: 0; transform: translateY(12px); pointer-events: none;
  transition: opacity var(--dur-mid) var(--ease), transform var(--dur-mid) var(--ease);
}
.float-cta.show { opacity: 1; transform: none; pointer-events: auto; }
.float-cta .btn { box-shadow: var(--shadow-3); }
@media (max-width: 600px) { .float-cta { left: 1rem; right: 1rem; bottom: .75rem; } .float-cta .btn { width: 100%; } }

/* ---- Forms (future) ---- */
form.signup { display: grid; gap: var(--sp-3); max-width: 26rem; }

/* ---- Scroll reveal (content is visible by default; JS opts in) ---- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity var(--dur-slow) var(--ease) var(--d, 0ms), transform var(--dur-slow) var(--ease) var(--d, 0ms); }
.js .reveal.from-left { transform: translateX(-26px); }
.js .reveal.from-right { transform: translateX(26px); }
.js .reveal.in { opacity: 1; transform: none; }
.js .rule { transform: scaleX(0); transition: transform var(--dur-slow) var(--ease) calc(var(--d, 0ms) + 200ms); }
.js .reveal.in .rule, .js .rule.in { transform: scaleX(1); }
@media (max-width: 900px) { .js .reveal.from-left { transform: translateY(18px); } .js .reveal.from-right { transform: translateY(18px); } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal, .js .reveal.from-left, .js .reveal.from-right { opacity: 1; transform: none; transition: none; }
  .js .rule { transform: none; transition: none; }
  .orbit, .pulse { animation: none; }
  .process::after { transition: none; }
}

/* ---- Language flags (same pattern as Discovery Lab) ---- */
.lang-switch { display: inline-flex; align-items: center; gap: .6rem; }
.flag { position: relative; display: inline-flex; width: 40px; height: 28px; border-radius: 5px; overflow: hidden; border: 1.5px solid transparent; padding: 0; opacity: .8; transition: opacity var(--dur-fast), transform var(--dur-fast) var(--ease), border-color var(--dur-fast); }
.flag svg { width: 100%; height: 100%; display: block; }
a.flag::before { content: ""; position: absolute; inset: -8px; }
a.flag:hover { opacity: 1; transform: translateY(-1px); border-color: var(--line-strong); }
.flag.current { opacity: 1; border-color: var(--ink); box-shadow: 0 0 0 2px var(--surface); }
@media (max-width: 900px) {
  .nav .lang-switch { margin-top: var(--sp-4); justify-content: center; gap: 1rem; }
  .nav .lang-switch a.flag, .nav .lang-switch .flag { padding: 0; min-height: 0; border-bottom: 1.5px solid transparent; display: inline-flex; width: 52px; height: 36px; }
  .nav .lang-switch .flag.current { border-color: var(--ink); }
}

/* ---- Hero artwork (brand kit paper background) ---- */
.hero {
  position: relative; isolation: isolate; border-bottom: 1px solid var(--line);
  background-image: linear-gradient(90deg, rgb(245 240 230 / .95) 0%, rgb(245 240 230 / .84) 46%, rgb(245 240 230 / .40) 100%), url(./img/hero-paper.jpg);
  background-size: cover; background-position: center;
}
@media (max-width: 900px) {
  .hero { background-image: linear-gradient(rgb(245 240 230 / .90), rgb(245 240 230 / .90)), url(./img/hero-paper.jpg); }
}
.nav a.flag { padding: 0; min-height: 0; border-bottom: 1.5px solid transparent; font-size: 0; }
.nav a.flag::after { display: none; }
.nav a.flag:hover { border-color: var(--line-strong); }