/* ================================================================
   Building 2030 DIGI – interaktiivinen raportti
   Raporttikohtaiset komponentit. Rakentuu aalto.css- ja site.css-
   tiedostojen päälle (sama design kuin Innopedia Live / Takt).
   ================================================================ */

/* ── Navigaatio: tulossa olevat sivut ja mobiilivieritys ─────────── */
.site-nav__links a.is-upcoming,
.site-footer__links a.is-upcoming {
  opacity: 0.45;
  cursor: default;
  pointer-events: none;
}
@media (max-width: 992px) {
  .site-nav__inner { gap: 1rem; }
  .site-nav__links {
    overflow-x: auto;
    min-width: 0;
    scrollbar-width: none;
  }
  .site-nav__links::-webkit-scrollbar { display: none; }
}
@media (max-width: 600px) {
  .site-nav__brand-name { font-size: var(--aalto-base-font-size--1); }
  .site-nav__links a span[class^="icon-"] { display: none; }
}

/* ── Luonnosmerkinnät ────────────────────────────────────────────── */
/* Poista .draft-banner ja <mark class="draft-note"> -merkinnät, kun
   raportin lopullinen teksti on valmis. */
.draft-banner {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  background: rgba(253, 99, 96, 0.08);
  border-left: 4px solid var(--aalto-base-color__aalto-brand--aalto-red-1);
  padding: 1rem 1.25rem;
  margin: 0 0 2rem;
  font-size: var(--aalto-base-font-size--1);
  line-height: 1.6;
  color: var(--aalto-col-fg);
}
.draft-banner .icon-circle-info { font-size: 1.1rem; margin-top: 0.15rem; }
mark.draft-note {
  background: rgba(253, 99, 96, 0.14);
  color: inherit;
  border-bottom: 2px dotted var(--aalto-base-color__aalto-brand--aalto-red-1);
  padding: 0 0.15em;
}

/* ── Index: hero-kuvitus ─────────────────────────────────────────── */
.digi-hero-art {
  width: 100%;
  height: 100%;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.digi-hero-art svg { width: 100%; max-width: 640px; height: auto; display: block; }

/* ── Index: tiedon ketju -simulaatio ─────────────────────────────── */
.chain {
  background: var(--aalto-col-surface, #fff);
  border: 1px solid var(--aalto-col-subtle);
  padding: 2rem;
}
.chain__toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}
.chain__hint {
  font-size: var(--aalto-base-font-size--2);
  color: var(--aalto-col-fg-tint);
  margin: 0;
}
.chain__track {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  position: relative;
  margin: 0 0 2rem;
  padding: 0;
  list-style: none;
}
.chain__node {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.625rem;
  text-align: center;
}
/* yhdysviiva solmujen välillä */
.chain__node::before {
  content: "";
  position: absolute;
  top: 1.25rem;
  left: -50%;
  width: 100%;
  height: 4px;
  margin-top: -2px;
  background: var(--aalto-base-color__aalto-brand--aalto-yellow-1);
  z-index: 0;
  transition: background 0.2s;
}
.chain__node:first-child::before { display: none; }
.chain__btn {
  position: relative;
  z-index: 1;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 3px solid var(--aalto-base-color__neutral--black);
  background: var(--aalto-base-color__aalto-brand--aalto-yellow-1);
  color: var(--aalto-base-color__neutral--black);
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: var(--aalto-base-font-size--1);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.chain__btn:hover { transform: scale(1.1); }
.chain__btn:focus-visible { outline: 3px solid var(--aalto-base-color__aalto-brand--aalto-blue-1); outline-offset: 3px; }
.chain__label {
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--aalto-col-fg);
  hyphens: manual;
  max-width: 100%;
  overflow-wrap: anywhere;
}
.chain__state {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--aalto-col-fg-tint);
  min-height: 1em;
}
.chain__state::after { content: "Tieto kulkee"; }
/* katkos */
.chain__node.is-break .chain__btn {
  background: var(--aalto-base-color__aalto-brand--aalto-red-1);
  border-color: var(--aalto-base-color__aalto-brand--aalto-red-1);
  color: var(--aalto-base-color__neutral--white);
}
.chain__node.is-break .chain__state { color: var(--aalto-base-color__tint--red-tint-1); }
.chain__node.is-break .chain__state::after { content: "Katkos"; }
/* katkoksen jälkeiset vaiheet */
.chain__node.is-manual::before {
  background: repeating-linear-gradient(90deg, var(--aalto-base-color__neutral--4) 0 6px, transparent 6px 12px);
}
.chain__node.is-manual .chain__btn {
  background: var(--aalto-base-color__neutral--3);
  border-style: dashed;
  border-color: var(--aalto-base-color__neutral--5);
  color: var(--aalto-base-color__neutral--5);
}
.chain__node.is-manual .chain__label { color: var(--aalto-col-fg-tint); }
.chain__node.is-manual .chain__state::after { content: "Käsityötä"; }

.chain__panel {
  border-top: 1px solid var(--aalto-col-subtle);
  padding-top: 1.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 2rem;
}
.chain__status {
  font-size: var(--aalto-base-font-size--3);
  line-height: 1.6;
  color: var(--aalto-col-fg);
  margin: 0;
}
.chain__status strong { font-weight: 800; }
.chain__status--idle { color: var(--aalto-col-fg-tint); }
.chain[data-break] .chain__status--idle { display: none; }
.chain:not([data-break]) .chain__status--break { display: none; }
.chain-detail { display: none; }
.chain-detail.is-active { display: block; }
.chain-detail__label {
  font-size: var(--aalto-base-font-size--1);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--aalto-col-fg-tint);
  margin-bottom: 0.5rem;
}
.chain-detail__need {
  font-size: var(--aalto-base-font-size--3);
  line-height: 1.6;
  color: var(--aalto-col-fg);
  margin-bottom: 1rem;
}
@media (max-width: 860px) {
  .chain { padding: 1.25rem; }
  .chain__track { grid-template-columns: 1fr; gap: 0.25rem; }
  .chain__node { flex-direction: row; text-align: left; gap: 0.875rem; padding: 0.25rem 0; }
  .chain__node::before {
    top: -50%;
    left: 1.25rem;
    width: 4px;
    height: 100%;
    margin: 0 0 0 -2px;
  }
  .chain__node.is-manual::before {
    background: repeating-linear-gradient(180deg, var(--aalto-base-color__neutral--4) 0 6px, transparent 6px 12px);
  }
  .chain__btn { flex-shrink: 0; }
  .chain__label { flex: 1; font-size: var(--aalto-base-font-size--2); }
  .chain__panel { grid-template-columns: 1fr; gap: 1.25rem; }
}

/* ── Index: roolikortit ja luvut ─────────────────────────────────── */
.role-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}
.role-card {
  background: var(--aalto-col-surface, #fff);
  border: 1px solid var(--aalto-col-subtle);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.role-card__icon {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--aalto-base-color__aalto-brand--aalto-yellow-1);
  font-size: 1.15rem;
}
.role-card__title { font-size: var(--aalto-base-font-size--3); font-weight: 700; color: var(--aalto-col-fg); }
.role-card__text { font-size: var(--aalto-base-font-size--2); color: var(--aalto-col-fg-tint); line-height: 1.65; margin: 0; }

.partner-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}
.partner-list li {
  font-size: var(--aalto-base-font-size--1);
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  background: var(--aalto-col-surface, #fff);
  border: 1px solid var(--aalto-col-subtle);
}

.toc-card.is-upcoming { cursor: default; }
.toc-card.is-upcoming:hover { background: var(--aalto-col-bg-tint); border-top-color: var(--aalto-col-subtle); }
.toc-card__tag {
  align-self: flex-start;
  margin-top: auto;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.5rem;
  background: var(--aalto-col-subtle);
  color: var(--aalto-col-fg-tint);
}
.toc-card__tag--open {
  background: var(--aalto-base-color__aalto-brand--aalto-yellow-1);
  color: var(--aalto-base-color__neutral--black);
}

.prose p {
  font-size: var(--aalto-base-font-size--3);
  line-height: var(--aalto-base-line-height--3);
  color: var(--aalto-col-fg-tint);
}
.prose strong { color: var(--aalto-col-fg); }

/* ── Vaihesivu: asettelu ─────────────────────────────────────────── */
.phase-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 820px);
  justify-content: center;
  gap: var(--aalto-base-dimension--9);
  max-width: 1616px;
  margin: 0 auto;
  padding: 2.5rem var(--aalto-base-dimension--5) 4rem;
}
.phase-content { min-width: 0; }

/* Vaiheketju (sivupalkki) */
.phase-nav {
  position: sticky;
  top: 5rem;
  align-self: start;
}
.phase-nav__title {
  font-size: var(--aalto-base-font-size--1);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--aalto-col-fg-tint);
  margin-bottom: 1rem;
}
.phase-nav__list { position: relative; }
.phase-nav__list li { position: relative; }
.phase-nav__list li::before {
  content: "";
  position: absolute;
  left: 0.9375rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--aalto-col-subtle);
}
.phase-nav__list li:first-child::before { top: 50%; }
.phase-nav__list li:last-child::before { bottom: 50%; }
.phase-nav__list li.is-done::before,
.phase-nav__list li.is-current::before { background: var(--aalto-base-color__aalto-brand--aalto-yellow-1); }
.phase-nav__list a {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.375rem 0;
  text-decoration: none;
  font-size: var(--aalto-base-font-size--1);
  font-weight: 500;
  color: var(--aalto-col-fg-tint);
  transition: color 0.12s;
}
.phase-nav__list a:hover { color: var(--aalto-col-fg); }
.phase-nav__num {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  background: var(--aalto-col-bg);
  border: 2px solid var(--aalto-col-subtle);
  transition: background 0.15s, border-color 0.15s;
}
.phase-nav__list li.is-done .phase-nav__num {
  border-color: var(--aalto-base-color__aalto-brand--aalto-yellow-1);
}
.phase-nav__list li.is-current a { color: var(--aalto-col-fg); font-weight: 700; }
.phase-nav__list li.is-current .phase-nav__num {
  background: var(--aalto-base-color__aalto-brand--aalto-yellow-1);
  border-color: var(--aalto-base-color__neutral--black);
}

@media (max-width: 992px) {
  .phase-layout { grid-template-columns: minmax(0, 1fr); gap: 0; padding-top: 0; }
  .phase-nav {
    top: 3.5rem;
    z-index: 50;
    margin: 0 calc(-1 * var(--aalto-base-dimension--5));
    padding: 0.625rem var(--aalto-base-dimension--5);
    background: var(--aalto-col-bg);
    border-bottom: 1px solid var(--aalto-col-subtle);
  }
  .phase-nav__title { display: none; }
  .phase-nav__list { display: flex; overflow-x: auto; gap: 0.25rem; scrollbar-width: none; }
  .phase-nav__list::-webkit-scrollbar { display: none; }
  .phase-nav__list li::before { display: none; }
  .phase-nav__list a { white-space: nowrap; padding: 0.25rem 0.625rem 0.25rem 0.25rem; gap: 0.5rem; }
  .phase-nav__list li.is-current a { background: var(--aalto-col-bg-tint); }
  .phase-nav__num { width: 1.75rem; height: 1.75rem; }
}

/* Näkymäsuodatin */
.view-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 1.25rem 0;
  margin: 2rem 0 0;
  border-top: 1px solid var(--aalto-col-subtle);
  border-bottom: 1px solid var(--aalto-col-subtle);
}
.view-filter__label {
  font-size: var(--aalto-base-font-size--1);
  font-weight: 700;
  margin-right: 0.25rem;
}
.view-filter button {
  font-family: 'Inter', sans-serif;
  font-size: var(--aalto-base-font-size--1);
  font-weight: 600;
  padding: 0.4rem 0.875rem;
  background: var(--aalto-col-bg-tint);
  border: 1px solid var(--aalto-col-subtle);
  color: var(--aalto-col-fg-tint);
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}
.view-filter button:hover { color: var(--aalto-col-fg); border-color: var(--aalto-col-fg-tint); }
.view-filter button[aria-pressed="true"] {
  background: var(--aalto-base-color__neutral--black);
  border-color: var(--aalto-base-color__neutral--black);
  color: var(--aalto-base-color__neutral--white);
}
.view-filter__note {
  flex-basis: 100%;
  font-size: var(--aalto-base-font-size--1);
  color: var(--aalto-col-fg-tint);
  margin: 0.25rem 0 0;
}
/* Suodatus: piilotetaan muut lohkot ja leipäteksti */
.phase-content[data-view="compare"] .phase-block:not(.phase-block--compare),
.phase-content[data-view="impact"]  .phase-block:not(.phase-block--impact),
.phase-content[data-view="barrier"] .phase-block:not(.phase-block--barrier),
.phase-content[data-view]:not([data-view="all"]) .phase__intro,
.phase-content[data-view]:not([data-view="all"]) .phase-more,
.phase-content[data-view]:not([data-view="all"]) .phase__next { display: none; }
.phase-content[data-view]:not([data-view="all"]) .phase { padding: 2rem 0; }

/* Lukuohje: neljä näkökulmaa */
.lens-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 2rem 0 0;
}
.lens {
  padding: 1rem;
  background: var(--aalto-col-bg-tint);
  border-top: 3px solid var(--aalto-col-subtle);
}
.lens--now { border-top-color: var(--aalto-base-color__neutral--5); }
.lens--target { border-top-color: var(--aalto-base-color__aalto-brand--aalto-yellow-1); }
.lens--impact { border-top-color: var(--aalto-base-color__aalto-brand--aalto-blue-1); }
.lens--barrier { border-top-color: var(--aalto-base-color__aalto-brand--aalto-red-1); }
.lens__num { font-size: 0.75rem; font-weight: 800; color: var(--aalto-col-fg-tint); }
.lens__title { font-size: var(--aalto-base-font-size--2); font-weight: 700; color: var(--aalto-col-fg); margin: 0.25rem 0; }
.lens__text { font-size: var(--aalto-base-font-size--1); color: var(--aalto-col-fg-tint); line-height: 1.5; margin: 0; }
@media (max-width: 700px) { .lens-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* ── Vaihe ───────────────────────────────────────────────────────── */
.phase { scroll-margin-top: 5rem; }
@media (max-width: 992px) { .phase { scroll-margin-top: 7.5rem; } }
.phase__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: var(--aalto-base-font-size--1);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--aalto-col-fg-tint);
}
.phase__badge {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--aalto-base-color__aalto-brand--aalto-yellow-1);
  color: var(--aalto-base-color__neutral--black);
  font-size: var(--aalto-base-font-size--1);
  font-weight: 800;
  letter-spacing: 0;
}
.article-section.phase > h2 { margin-bottom: 1.5rem; }

.phase-block { margin-top: 2.5rem; }
.phase-block__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--aalto-base-font-size--1);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--aalto-col-fg);
  margin-bottom: 1rem;
}
.phase-block__src {
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  color: var(--aalto-col-fg-tint);
}

/* Nykytila vs. tavoitetila */
.compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
}
.compare__col { padding: 1.25rem 1.25rem 1.5rem; }
.compare__col--now {
  background: var(--aalto-col-bg-tint);
  border-top: 4px solid var(--aalto-base-color__neutral--5);
}
.compare__col--target {
  background: rgba(247, 225, 89, 0.16);
  border-top: 4px solid var(--aalto-base-color__aalto-brand--aalto-yellow-1);
}
.compare__head {
  font-size: var(--aalto-base-font-size--3);
  font-weight: 700;
  color: var(--aalto-col-fg);
  margin-bottom: 0.875rem;
}
.compare__head small {
  display: block;
  font-size: var(--aalto-base-font-size--1);
  font-weight: 500;
  color: var(--aalto-col-fg-tint);
}
.dot-list { display: flex; flex-direction: column; gap: 0.625rem; }
.dot-list li {
  position: relative;
  padding-left: 1.125rem;
  font-size: var(--aalto-base-font-size--2);
  line-height: 1.55;
  color: var(--aalto-col-fg);
}
.dot-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--aalto-base-color__neutral--5);
}
.compare__col--target .dot-list li::before { background: var(--aalto-base-color__neutral--black); border-radius: 50%; }
.dot-list ul { margin-top: 0.5rem; }
.dot-list ul li { font-size: var(--aalto-base-font-size--1); color: var(--aalto-col-fg-tint); }
@media (max-width: 700px) { .compare { grid-template-columns: 1fr; } }

/* Vaikutukset */
.impact-list { display: flex; flex-direction: column; gap: 0.5rem; }
.impact-list li {
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
  padding: 0.875rem 1rem;
  background: var(--aalto-col-bg-tint);
  font-size: var(--aalto-base-font-size--2);
  line-height: 1.55;
  color: var(--aalto-col-fg);
}
.impact-sign {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  line-height: 1;
}
.impact-list li.is-pos .impact-sign { background: var(--aalto-base-color__aalto-brand--aalto-blue-1); color: var(--aalto-base-color__neutral--black); }
.impact-list li.is-neg .impact-sign { background: var(--aalto-base-color__aalto-brand--aalto-red-1); color: var(--aalto-base-color__neutral--black); }

/* Esteet */
.barrier-list { display: flex; flex-direction: column; gap: 0.5rem; counter-reset: barrier; }
.barrier-list > li {
  counter-increment: barrier;
  position: relative;
  padding: 0.875rem 1rem 0.875rem 3.25rem;
  border: 1px solid var(--aalto-col-subtle);
  border-left: 4px solid var(--aalto-base-color__aalto-brand--aalto-red-1);
  font-size: var(--aalto-base-font-size--2);
  line-height: 1.55;
  color: var(--aalto-col-fg);
}
.barrier-list > li::before {
  content: counter(barrier);
  position: absolute;
  left: 1rem;
  top: 0.875rem;
  font-weight: 800;
  font-size: var(--aalto-base-font-size--1);
  color: var(--aalto-base-color__tint--red-tint-1);
}
.barrier-list ul { margin-top: 0.5rem; padding-left: 1rem; list-style: disc; }
.barrier-list ul li { font-size: var(--aalto-base-font-size--1); color: var(--aalto-col-fg-tint); }
.barrier-list strong { font-weight: 700; }

/* Kustannusvaikutus (luku 4.1) */
.savings {
  margin-top: 2.5rem;
  background: var(--aalto-base-color__neutral--black);
  color: var(--aalto-base-color__neutral--white);
  padding: 1.5rem;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.25rem;
}
.savings__icon {
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--aalto-base-color__aalto-brand--aalto-yellow-1);
  color: var(--aalto-base-color__neutral--black);
  font-size: 1.25rem;
}
.savings__label {
  font-size: var(--aalto-base-font-size--1);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--aalto-base-color__aalto-brand--aalto-yellow-1);
  margin-bottom: 0.625rem;
}
.savings__list { display: flex; flex-direction: column; gap: 0.375rem; }
.savings__list li {
  font-size: var(--aalto-base-font-size--2);
  line-height: 1.55;
  color: var(--aalto-base-color__tint--white-tint-2);
  padding-left: 1rem;
  position: relative;
}
.savings__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 0.375rem;
  height: 0.375rem;
  background: var(--aalto-base-color__aalto-brand--aalto-yellow-1);
}
.savings__src {
  margin: 0.875rem 0 0;
  font-size: 0.8125rem;
  color: var(--aalto-base-color__tint--white-tint-3);
  line-height: 1.5;
}
@media (max-width: 600px) { .savings { grid-template-columns: 1fr; } }

/* Tulkinta (avattava) */
.phase-more {
  margin-top: 2.5rem;
  border-top: 1px solid var(--aalto-col-subtle);
  border-bottom: 1px solid var(--aalto-col-subtle);
}
.phase-more > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  font-weight: 700;
  font-size: var(--aalto-base-font-size--3);
  color: var(--aalto-col-fg);
}
.phase-more > summary::-webkit-details-marker { display: none; }
.phase-more > summary .icon-chevron-down { transition: transform 0.2s; }
.phase-more[open] > summary .icon-chevron-down { transform: rotate(180deg); }
.phase-more > summary:hover { color: var(--aalto-col-fg-tint); }
.phase-more__body { padding: 0.5rem 0 1.5rem; }

.phase__next {
  display: flex;
  justify-content: flex-end;
  margin-top: 1.75rem;
}
.phase__next a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--aalto-base-font-size--1);
  font-weight: 700;
  text-decoration: none;
  color: var(--aalto-col-fg);
}
.phase__next a:hover { text-decoration: underline; }

/* Yleisiä havaintoja */
.insight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}
.insight {
  padding: 1.5rem;
  background: var(--aalto-col-bg-tint);
  border-left: 4px solid var(--aalto-base-color__aalto-brand--aalto-yellow-1);
}
.insight__title { font-size: var(--aalto-base-font-size--3); font-weight: 700; color: var(--aalto-col-fg); margin-bottom: 0.5rem; }
.article-section .insight p { font-size: var(--aalto-base-font-size--2); line-height: 1.65; }
@media (max-width: 700px) { .insight-grid { grid-template-columns: 1fr; } }

/* ── Index: tutkimusaineiston luvut ──────────────────────────────── */
.stat-band {
  background: var(--aalto-base-color__neutral--black);
  color: var(--aalto-base-color__neutral--white);
  padding: 3.5rem 0;
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2rem;
}
.stat { border-top: 3px solid var(--aalto-base-color__aalto-brand--aalto-yellow-1); padding-top: 1rem; }
.stat__num {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--aalto-base-color__aalto-brand--aalto-yellow-1);
  margin-bottom: 0.5rem;
}
.stat__label { font-size: var(--aalto-base-font-size--2); line-height: 1.5; color: var(--aalto-base-color__tint--white-tint-2); }
@media (max-width: 768px) { .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; } .stat__num { font-size: 2.5rem; } }

/* ── Korjaukset ──────────────────────────────────────────────────── */
[hidden] { display: none !important; }
ol.phase-nav__list, ol.barrier-list, ol.chain__track { list-style: none; margin: 0; padding: 0; }
.prose { max-width: 820px; }
.phase-content[data-view]:not([data-view="all"]) #yleisia-havaintoja { display: none; }
@media (max-width: 768px) { .site-nav__brand-sep { display: none; } }

/* ── Navigaatio: pika-arvion painike ─────────────────────────────── */
.site-nav__links a.site-nav__cta {
  border: 2px solid var(--aalto-base-color__aalto-brand--aalto-yellow-1);
  color: var(--aalto-base-color__aalto-brand--aalto-yellow-1);
  font-weight: 700;
  margin-left: 0.5rem;
  padding: 0.25rem 0.75rem;
}
.site-nav__links a.site-nav__cta:hover { background: var(--aalto-base-color__aalto-brand--aalto-yellow-1); color: var(--aalto-base-color__neutral--black); }
.site-nav__links a.site-nav__cta.is-current { background: var(--aalto-base-color__aalto-brand--aalto-yellow-1); color: var(--aalto-base-color__neutral--black); }

/* ── Pika-arvioon ohjaavat nostot ────────────────────────────────── */
.arvio-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
  padding: 1.5rem 2rem;
  background: var(--aalto-base-color__neutral--black);
  color: var(--aalto-base-color__neutral--white);
}
.arvio-cta__title { font-size: var(--aalto-base-font-size--4); font-weight: 700; color: var(--aalto-base-color__neutral--white); margin-bottom: 0.25rem; }
.arvio-cta .arvio-cta__text { font-size: var(--aalto-base-font-size--2); color: var(--aalto-base-color__tint--white-tint-2); margin: 0; max-width: 60ch; }
.arvio-card {
  margin-top: 2rem;
  padding: 1.25rem;
  background: var(--aalto-base-color__neutral--black);
  color: var(--aalto-base-color__neutral--white);
}
.arvio-card__title { font-weight: 700; font-size: var(--aalto-base-font-size--2); color: var(--aalto-base-color__neutral--white); margin-bottom: 0.375rem; }
.arvio-card__text { font-size: var(--aalto-base-font-size--1); line-height: 1.5; color: var(--aalto-base-color__tint--white-tint-2); margin: 0 0 1rem; }
@media (max-width: 992px) { .arvio-card { display: none; } }
.chain-detail__links { display: flex; flex-direction: column; gap: 0.5rem; align-items: flex-start; }

/* ── Pika-arvio (arvio.html) ─────────────────────────────────────── */
.ar-howto {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-top: 1.5rem;
  counter-reset: s;
}
.ar-howto li {
  counter-increment: s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--aalto-base-font-size--2);
  color: var(--aalto-base-color__tint--white-tint-2);
}
.ar-howto li::before {
  content: counter(s);
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--aalto-base-color__aalto-brand--aalto-yellow-1);
  color: var(--aalto-base-color__neutral--black);
  font-weight: 800;
  font-size: var(--aalto-base-font-size--1);
}
.ar-tool {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 460px);
  gap: 2rem;
  align-items: start;
}
@media (max-width: 992px) { .ar-tool { grid-template-columns: minmax(0, 1fr); } }
.ar-steps { display: flex; flex-direction: column; gap: 1.25rem; min-width: 0; }
.ar-step {
  background: var(--aalto-col-surface, #fff);
  border: 1px solid var(--aalto-col-subtle);
  border-top: 4px solid var(--aalto-base-color__aalto-brand--aalto-yellow-1);
  padding: 1.5rem;
  transition: opacity 0.2s;
}
.ar-step.is-locked { opacity: 0.5; border-top-color: var(--aalto-col-subtle); }
.ar-step__head { display: flex; align-items: baseline; gap: 0.75rem; margin-bottom: 0.5rem; }
.ar-step__num { font-size: var(--aalto-base-font-size--1); font-weight: 800; color: var(--aalto-col-fg-tint); flex-shrink: 0; }
.ar-step h2 { font-size: var(--aalto-base-font-size--4); line-height: 1.3; letter-spacing: -0.01em; }
.ar-hint { font-size: var(--aalto-base-font-size--1); color: var(--aalto-col-fg-tint); margin: 0 0 1rem; }
.ar-role-note {
  margin: 1rem 0 0;
  padding: 0.75rem 1rem;
  background: var(--aalto-col-bg-tint);
  border-left: 3px solid var(--aalto-base-color__aalto-brand--aalto-yellow-1);
  font-size: var(--aalto-base-font-size--1);
  line-height: 1.55;
  color: var(--aalto-col-fg);
}
.ar-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.ar-chip {
  font-family: 'Inter', sans-serif;
  font-size: var(--aalto-base-font-size--1);
  font-weight: 600;
  padding: 0.5rem 0.875rem;
  background: var(--aalto-col-bg);
  border: 2px solid var(--aalto-col-subtle);
  color: var(--aalto-col-fg);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.12s, background 0.12s;
}
.ar-chip:hover:not(:disabled) { border-color: var(--aalto-col-fg); }
.ar-chip[aria-pressed="true"] {
  background: var(--aalto-base-color__aalto-brand--aalto-yellow-1);
  border-color: var(--aalto-base-color__neutral--black);
}
.ar-chip:disabled { opacity: 0.4; cursor: not-allowed; }
.ar-textbtn {
  margin-top: 0.875rem;
  padding: 0;
  background: none;
  border: 0;
  font-family: 'Inter', sans-serif;
  font-size: var(--aalto-base-font-size--1);
  font-weight: 600;
  color: var(--aalto-col-fg);
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}
.ar-pending { margin: 0.875rem 0 0; font-size: var(--aalto-base-font-size--1); color: var(--aalto-col-fg-tint); }
.ar-qgroup { padding-top: 1rem; margin-top: 1rem; border-top: 1px solid var(--aalto-col-subtle); }
.ar-qgroup:first-child { border-top: 0; margin-top: 0; padding-top: 0; }
.ar-qgroup__title { font-weight: 700; font-size: var(--aalto-base-font-size--2); margin-bottom: 0.75rem; }
.ar-q {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.5rem 1rem;
  align-items: center;
  padding: 0.5rem 0;
}
.ar-q p { margin: 0; font-size: var(--aalto-base-font-size--2); line-height: 1.5; }
@media (max-width: 560px) { .ar-q { grid-template-columns: minmax(0, 1fr); } }
.ar-seg { display: inline-flex; border: 2px solid var(--aalto-col-fg); }
.ar-seg button {
  font-family: 'Inter', sans-serif;
  font-size: var(--aalto-base-font-size--1);
  font-weight: 600;
  padding: 0.375rem 0.75rem;
  background: transparent;
  border: 0;
  border-left: 1px solid var(--aalto-col-subtle);
  color: var(--aalto-col-fg);
  cursor: pointer;
}
.ar-seg button:first-child { border-left: 0; }
.ar-seg button:hover { background: var(--aalto-col-bg-tint); }
.ar-seg button[aria-pressed="true"][data-v="2"] { background: var(--aalto-base-color__school--chem-1); }
.ar-seg button[aria-pressed="true"][data-v="1"] { background: var(--aalto-base-color__aalto-brand--aalto-yellow-1); }
.ar-seg button[aria-pressed="true"][data-v="0"] { background: var(--aalto-base-color__aalto-brand--aalto-red-1); }

/* Tulospaneeli */
.ar-result {
  position: sticky;
  top: 5rem;
  background: var(--aalto-col-surface, #fff);
  border: 2px solid var(--aalto-base-color__neutral--black);
  padding: 1.5rem;
  min-width: 0;
  max-height: calc(100vh - 6rem);
  overflow-y: auto;
}
@media (max-width: 992px) { .ar-result { position: static; max-height: none; } }
.ar-result__title { font-size: var(--aalto-base-font-size--5); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.ar-result__role { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; padding: 0.2rem 0.5rem; background: var(--aalto-base-color__aalto-brand--aalto-yellow-1); }
.ar-empty { color: var(--aalto-col-fg-tint); margin: 0; }
.ar-result p { font-size: var(--aalto-base-font-size--2); line-height: 1.55; margin: 0 0 0.5rem; }
.ar-result .ar-small, .ar-small { font-size: 0.8125rem; color: var(--aalto-col-fg-tint); line-height: 1.5; }
.ar-bars { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 0.5rem; }
.ar-bar { display: grid; grid-template-columns: 9.5em minmax(0, 1fr) 3em; gap: 0.625rem; align-items: center; font-size: var(--aalto-base-font-size--1); }
.ar-bar__track { height: 10px; background: var(--aalto-col-bg-tint); }
.ar-bar__fill { display: block; height: 100%; }
.ar-bar__fill.is-good { background: var(--aalto-base-color__school--chem-1); }
.ar-bar__fill.is-mid { background: var(--aalto-base-color__aalto-brand--aalto-yellow-1); }
.ar-bar__fill.is-bad { background: var(--aalto-base-color__aalto-brand--aalto-red-1); }
.ar-bar__pct { font-weight: 700; text-align: right; font-variant-numeric: tabular-nums; }
.ar-sec { border-top: 1px solid var(--aalto-col-subtle); padding-top: 1.125rem; margin-top: 1.125rem; }
.ar-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--aalto-col-fg-tint); margin-bottom: 0.375rem; }
.ar-sec__title { font-size: var(--aalto-base-font-size--4); font-weight: 700; margin-bottom: 0.375rem; }
.ar-chain { display: flex; flex-wrap: wrap; align-items: center; gap: 0.375rem; margin: 0.75rem 0; font-size: var(--aalto-base-font-size--1); }
.ar-node { padding: 0.2rem 0.5rem; border: 1px solid var(--aalto-col-subtle); background: var(--aalto-col-bg-tint); }
.ar-node.is-src { background: var(--aalto-base-color__aalto-brand--aalto-red-1); border-color: var(--aalto-base-color__aalto-brand--aalto-red-1); font-weight: 700; }
.ar-arrow { color: var(--aalto-col-fg-tint); }
.ar-impact, .ar-plain { list-style: disc; padding-left: 1.125rem; margin: 0 0 0.75rem; display: flex; flex-direction: column; gap: 0.25rem; font-size: var(--aalto-base-font-size--1); line-height: 1.5; color: var(--aalto-col-fg); }
.ar-why { font-size: var(--aalto-base-font-size--1); margin-top: 0.5rem; }
.ar-why > summary { cursor: pointer; font-weight: 700; text-decoration: underline; text-underline-offset: 2px; }
.ar-why__body { padding-top: 0.625rem; }
.ar-why__body p { font-size: var(--aalto-base-font-size--1); }
.ar-link { display: inline-flex; align-items: center; gap: 0.375rem; font-weight: 700; color: var(--aalto-col-fg); }
.ar-savings { display: flex; flex-direction: column; gap: 0.75rem; margin: 0.5rem 0 0.75rem; }
.ar-srow { display: grid; grid-template-columns: minmax(0, 1fr) 6.5em; gap: 0.25rem 0.75rem; align-items: center; font-size: var(--aalto-base-font-size--1); }
.ar-srow__meta { grid-column: 1 / -1; font-size: 0.8125rem; color: var(--aalto-col-fg-tint); line-height: 1.5; }
.ar-srow input {
  width: 100%;
  padding: 0.375rem 0.5rem;
  border: 2px solid var(--aalto-col-fg);
  background: var(--aalto-col-bg);
  color: var(--aalto-col-fg);
  font-family: 'Inter', sans-serif;
  font-size: var(--aalto-base-font-size--1);
  font-weight: 700;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.ar-ev { display: inline-block; font-size: 0.6875rem; font-weight: 700; padding: 0.05rem 0.4rem; margin-left: 0.25rem; border: 1px solid currentColor; }
.ar-ev.is-strong { color: var(--aalto-base-color__tint--chem-tint-4); }
.ar-ev.is-mid { color: var(--aalto-base-color__neutral--5); }
.ar-ev.is-weak, .ar-ev.is-none { color: var(--aalto-base-color__tint--red-tint-4); }
.ar-total {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  padding: 0.875rem 1rem;
  background: var(--aalto-base-color__aalto-brand--aalto-yellow-1);
  color: var(--aalto-base-color__neutral--black);
  font-size: var(--aalto-base-font-size--1);
}
.ar-total strong { font-size: var(--aalto-base-font-size--5); font-weight: 800; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.ar-total .ar-small { color: var(--aalto-base-color__neutral--black); opacity: 0.7; }
.ar-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.ar-status { flex-basis: 100%; font-size: var(--aalto-base-font-size--1); color: var(--aalto-base-color__tint--chem-tint-4); min-height: 1.2em; }
.ar-copytext { flex-basis: 100%; width: 100%; font-size: var(--aalto-base-font-size--1); }

@media print {
  .site-nav, .page-hero, .site-footer, .ar-steps, .ar-actions, .aalto-breadcrumbs, .draft-banner, .ar-intro { display: none !important; }
  .ar-tool { display: block; }
  .ar-result { position: static; max-height: none; overflow: visible; border: 0; padding: 0; }
  .ar-why { display: none; }
  body { background: #fff; }
}
.ar-seg { justify-self: start; }

.ar-bar__label { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ================================================================
   Luvut 4–9: kaaviot, välilehdet, laskurit
   ================================================================ */

/* ── Kaavio HTML-taulukosta (digi.js) ────────────────────────────── */
.figure { margin: 2.5rem 0; }
.figure__title { font-size: var(--aalto-base-font-size--3); font-weight: 700; color: var(--aalto-col-fg); margin-bottom: 0.25rem; }
.figure__sub { font-size: var(--aalto-base-font-size--1); color: var(--aalto-col-fg-tint); margin: 0 0 1.25rem; line-height: 1.5; }
.figure__note { font-size: 0.8125rem; color: var(--aalto-col-fg-tint); margin: 0.75rem 0 0; line-height: 1.5; }
.dchart { display: flex; flex-direction: column; gap: 0.5rem; }
.dchart__row, .dchart__refrow {
  display: grid;
  grid-template-columns: minmax(8rem, 15rem) minmax(0, 1fr) 5.5rem;
  gap: 0.875rem;
  align-items: center;
}
.dchart__label { font-size: var(--aalto-base-font-size--1); line-height: 1.35; color: var(--aalto-col-fg); text-align: right; }
.dchart__track { position: relative; height: 1.5rem; background: var(--aalto-col-bg-tint); }
.dchart__bar { position: absolute; top: 0; bottom: 0; left: 0; background: var(--aalto-base-color__neutral--5); }
.dchart--range .dchart__bar { background: var(--aalto-base-color__neutral--black); }
.dchart__row.is-hl .dchart__bar { background: var(--aalto-base-color__tint--blue-tint-1); }
.dchart__row.is-hl .dchart__label, .dchart__row.is-hl .dchart__val { font-weight: 700; }
.dchart__val { font-size: var(--aalto-base-font-size--1); font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.dchart__none { position: absolute; left: 0.5rem; top: 50%; transform: translateY(-50%); font-size: 0.8125rem; font-style: italic; color: var(--aalto-col-fg-tint); white-space: nowrap; }
.dchart__refrow { margin-top: -0.25rem; }
.dchart__reftrack { position: relative; height: 1.25rem; }
.dchart__ref { position: absolute; top: 0; height: 100%; border-left: 2px dashed var(--aalto-base-color__neutral--5); }
.dchart__ref span { position: absolute; left: 0.375rem; top: 0; font-size: 0.75rem; color: var(--aalto-col-fg-tint); white-space: nowrap; }
.dchart__toggle {
  margin-top: 0.875rem;
  padding: 0;
  background: none;
  border: 0;
  font-family: 'Inter', sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--aalto-col-fg);
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}
table.data-chart.is-charted {
  position: absolute !important;
  width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}
.data-table, table.data-chart {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--aalto-base-font-size--1);
  margin-top: 0.5rem;
}
.data-table th, .data-table td, table.data-chart th, table.data-chart td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--aalto-col-subtle);
  vertical-align: top;
}
.data-table thead th, table.data-chart thead th { font-weight: 700; border-bottom: 2px solid var(--aalto-col-fg); }
@media (max-width: 700px) {
  .dchart__row, .dchart__refrow { grid-template-columns: minmax(0, 1fr) 4.5rem; gap: 0.25rem 0.75rem; }
  .dchart__label { grid-column: 1 / -1; text-align: left; }
  .dchart__refrow > span:first-child { display: none; }
}

/* ── Tilastonostot vaalealla pohjalla ────────────────────────────── */
.stat-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin: 2rem 0; }
.stat-row .stat { background: var(--aalto-base-color__neutral--black); padding: 1.25rem; border-top-width: 4px; }
.stat-row .stat__num { font-size: 2.25rem; }
.stat-row .stat__label { font-size: var(--aalto-base-font-size--1); }
@media (max-width: 860px) { .stat-row { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* ── Kaksi tai neljä saraketta (skenaariot, nelikenttä) ──────────── */
.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin: 2rem 0; }
.split__col { padding: 1.5rem; background: var(--aalto-col-bg-tint); border-top: 4px solid var(--aalto-col-subtle); }
.split__col--bull { border-top-color: var(--aalto-base-color__school--chem-1); }
.split__col--bear { border-top-color: var(--aalto-base-color__aalto-brand--aalto-red-1); }
.split__col--now { border-top-color: var(--aalto-base-color__neutral--5); }
.split__col--target { border-top-color: var(--aalto-base-color__aalto-brand--aalto-yellow-1); }
.split__col--impact { border-top-color: var(--aalto-base-color__aalto-brand--aalto-blue-1); }
.split__col--barrier { border-top-color: var(--aalto-base-color__aalto-brand--aalto-red-1); }
.split__label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--aalto-col-fg-tint); margin-bottom: 0.25rem; }
.split__title { font-size: var(--aalto-base-font-size--4); font-weight: 700; color: var(--aalto-col-fg); margin-bottom: 0.75rem; }
.article-section .split__col p { font-size: var(--aalto-base-font-size--2); line-height: 1.65; }
@media (max-width: 700px) { .split { grid-template-columns: 1fr; } }

/* ── Välilehdet ──────────────────────────────────────────────────── */
.tabs__list { display: flex; flex-wrap: wrap; gap: 0.375rem; margin-bottom: 1.25rem; }
.tabs__list button {
  font-family: 'Inter', sans-serif;
  font-size: var(--aalto-base-font-size--1);
  font-weight: 600;
  padding: 0.5rem 0.875rem;
  background: var(--aalto-col-bg);
  border: 2px solid var(--aalto-col-subtle);
  color: var(--aalto-col-fg);
  cursor: pointer;
}
.tabs__list button:hover { border-color: var(--aalto-col-fg); }
.tabs__list button[aria-selected="true"] { background: var(--aalto-base-color__aalto-brand--aalto-yellow-1); border-color: var(--aalto-base-color__neutral--black); }
.tabs__panel { display: none; }
.tabs__panel.is-active { display: block; }
.tabs__panel h3 { margin-bottom: 1rem; }
.actor-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.actor-grid .split__col { padding: 1.25rem; }
.article-section .actor-grid p { font-size: var(--aalto-base-font-size--2); line-height: 1.6; }
.actor-grid .impact-list li { padding: 0.625rem 0.75rem; font-size: var(--aalto-base-font-size--1); background: var(--aalto-col-bg); }
@media (max-width: 992px) { .actor-grid { grid-template-columns: 1fr; } }

/* ── Vaihekohtaiset perustelut (avattavat) ───────────────────────── */
.acc { border-top: 1px solid var(--aalto-col-subtle); }
.acc details { border-bottom: 1px solid var(--aalto-col-subtle); }
.acc summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem 0;
  font-weight: 700;
  font-size: var(--aalto-base-font-size--3);
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary .acc__val { font-size: var(--aalto-base-font-size--1); font-weight: 700; padding: 0.2rem 0.5rem; background: var(--aalto-base-color__aalto-brand--aalto-yellow-1); white-space: nowrap; }
.acc summary .acc__val--none { background: var(--aalto-col-bg-tint); color: var(--aalto-col-fg-tint); }
.acc summary .icon-chevron-down { transition: transform 0.2s; }
.acc details[open] summary .icon-chevron-down { transform: rotate(180deg); }
.acc__body { padding: 0 0 1.5rem; }
.acc__body .savings { margin-top: 1rem; }

/* ── Pikalainaus ─────────────────────────────────────────────────── */
.pull {
  margin: 2.5rem 0;
  padding: 0 0 0 1.5rem;
  border-left: 6px solid var(--aalto-base-color__aalto-brand--aalto-yellow-1);
  font-size: var(--aalto-base-font-size--5);
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--aalto-col-fg);
}
.pull cite { display: block; margin-top: 0.75rem; font-size: var(--aalto-base-font-size--1); font-style: normal; font-weight: 500; color: var(--aalto-col-fg-tint); }

/* ── Integraatiolaskuri ──────────────────────────────────────────── */
.integ { background: var(--aalto-col-bg-tint); padding: 1.75rem; margin: 2rem 0; }
.integ__head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.integ__title { font-size: var(--aalto-base-font-size--3); font-weight: 700; }
.integ label { font-size: var(--aalto-base-font-size--1); font-weight: 600; display: block; margin-bottom: 0.5rem; }
.integ input[type="range"] { width: 100%; accent-color: var(--aalto-base-color__neutral--black); margin-bottom: 1.5rem; }
.integ__row { display: grid; grid-template-columns: 13rem minmax(0, 1fr) 6rem; gap: 0.875rem; align-items: center; margin-bottom: 0.625rem; }
.integ__name { font-size: var(--aalto-base-font-size--1); font-weight: 600; }
.integ__name small { display: block; font-weight: 400; color: var(--aalto-col-fg-tint); }
.integ__track { height: 1.5rem; background: var(--aalto-col-bg); }
.integ__bar { display: block; height: 100%; background: var(--aalto-base-color__aalto-brand--aalto-red-1); transition: width 0.15s; }
.integ__bar--net { background: var(--aalto-base-color__school--chem-1); }
.integ__num { font-size: var(--aalto-base-font-size--3); font-weight: 800; text-align: right; font-variant-numeric: tabular-nums; }
.integ__result { margin: 1rem 0 0; font-size: var(--aalto-base-font-size--2); }
@media (max-width: 700px) { .integ__row { grid-template-columns: minmax(0, 1fr) 5rem; } .integ__name { grid-column: 1 / -1; } }

/* ── Neljän kulman malli ja sanomaputki ──────────────────────────── */
.corners { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.75rem; margin: 2rem 0 0.75rem; position: relative; }
.corner { padding: 1rem; text-align: center; border: 2px solid var(--aalto-col-fg); background: var(--aalto-col-bg); position: relative; }
.corner--ap { background: var(--aalto-base-color__aalto-brand--aalto-yellow-1); }
.corner__num { font-size: 0.75rem; font-weight: 800; color: var(--aalto-col-fg-tint); }
.corner__name { font-weight: 700; font-size: var(--aalto-base-font-size--2); }
.corner__desc { font-size: 0.8125rem; color: var(--aalto-col-fg-tint); margin-top: 0.25rem; }
.corner--ap .corner__desc, .corner--ap .corner__num { color: var(--aalto-base-color__neutral--black); opacity: 0.75; }
.corner:not(:last-child)::after { content: "→"; position: absolute; right: -0.7rem; top: 50%; transform: translate(50%, -50%); font-weight: 800; z-index: 1; }
.corners-registry { text-align: center; font-size: var(--aalto-base-font-size--1); padding: 0.625rem; border: 1px dashed var(--aalto-col-fg-tint); color: var(--aalto-col-fg-tint); margin-bottom: 2rem; }
@media (max-width: 700px) {
  .corners { grid-template-columns: 1fr; }
  .corner:not(:last-child)::after { content: "↓"; right: 50%; top: auto; bottom: -0.7rem; transform: translate(50%, 50%); }
}
.pipeline { display: flex; flex-wrap: wrap; gap: 0.375rem; align-items: center; margin: 1.5rem 0; }
.pipeline__group { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--aalto-col-fg-tint); margin-right: 0.25rem; }
.pipeline__msg { font-size: var(--aalto-base-font-size--1); font-weight: 600; padding: 0.3rem 0.625rem; border: 2px solid var(--aalto-col-fg); background: var(--aalto-col-bg); }
.pipeline__msg--hl { background: var(--aalto-base-color__aalto-brand--aalto-yellow-1); }
.pipeline__arrow { color: var(--aalto-col-fg-tint); }

/* ── Aikajana ────────────────────────────────────────────────────── */
.timeline { margin: 2rem 0; position: relative; padding-left: 1.75rem; }
.timeline::before { content: ""; position: absolute; left: 0.5rem; top: 0.5rem; bottom: 0.5rem; width: 3px; background: var(--aalto-base-color__aalto-brand--aalto-yellow-1); }
.timeline li { position: relative; padding: 0 0 1.25rem; }
.timeline li::before { content: ""; position: absolute; left: -1.625rem; top: 0.35rem; width: 0.875rem; height: 0.875rem; border-radius: 50%; background: var(--aalto-base-color__neutral--black); border: 3px solid var(--aalto-base-color__aalto-brand--aalto-yellow-1); }
.timeline__year { font-weight: 800; font-size: var(--aalto-base-font-size--3); }
.timeline__text { font-size: var(--aalto-base-font-size--2); color: var(--aalto-col-fg-tint); line-height: 1.5; }
.timeline li.is-hl .timeline__text { color: var(--aalto-col-fg); font-weight: 600; }

/* ── Aineistolinjat ──────────────────────────────────────────────── */
.method-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin: 2rem 0; }
.method { border: 1px solid var(--aalto-col-subtle); border-top: 4px solid var(--aalto-col-fg); padding: 1.25rem; background: var(--aalto-col-surface, #fff); }
.method__tag { display: inline-flex; width: 2rem; height: 2rem; align-items: center; justify-content: center; background: var(--aalto-base-color__aalto-brand--aalto-yellow-1); font-weight: 800; margin-bottom: 0.75rem; }
.method__title { font-weight: 700; font-size: var(--aalto-base-font-size--3); margin-bottom: 0.75rem; line-height: 1.3; }
.method dl { margin: 0; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 0.375rem 0.75rem; font-size: var(--aalto-base-font-size--1); }
.method dt { color: var(--aalto-col-fg-tint); }
.method dd { margin: 0; font-weight: 600; }
@media (max-width: 860px) { .method-grid { grid-template-columns: 1fr; } }

/* ── Tiedon periytyminen -havainnollistus ────────────────────────── */
.inherit { background: var(--aalto-col-bg-tint); padding: 1.75rem; margin: 2rem 0; }
.inherit__modes { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.inherit__modes button {
  font-family: 'Inter', sans-serif; font-size: var(--aalto-base-font-size--1); font-weight: 700;
  padding: 0.5rem 1rem; background: var(--aalto-col-bg); border: 2px solid var(--aalto-col-fg); cursor: pointer;
}
.inherit__modes button[aria-pressed="true"] { background: var(--aalto-base-color__neutral--black); color: var(--aalto-base-color__neutral--white); }
.inherit__track { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0.75rem; align-items: end; }
.inherit__phase { display: flex; flex-direction: column; gap: 0.375rem; }
.inherit__stack { display: flex; flex-direction: column-reverse; gap: 3px; min-height: 9.5rem; justify-content: flex-start; }
.inherit__layer {
  font-size: 0.75rem; font-weight: 600; line-height: 1.25; padding: 0.375rem 0.5rem;
  background: var(--aalto-base-color__aalto-brand--aalto-yellow-1); color: var(--aalto-base-color__neutral--black);
  transition: opacity 0.2s, background 0.2s;
}
.inherit__layer.is-new { background: var(--aalto-base-color__neutral--black); color: var(--aalto-base-color__neutral--white); }
.inherit__name { font-weight: 700; font-size: var(--aalto-base-font-size--1); border-top: 3px solid var(--aalto-col-fg); padding-top: 0.375rem; }
.inherit__flag { font-size: 0.6875rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--aalto-base-color__tint--red-tint-4); min-height: 1em; }
.inherit[data-inherit="file"] .inherit__layer:not(.is-new) { display: none; }
.inherit[data-inherit="file"] .inherit__layer.is-new { background: var(--aalto-base-color__neutral--5); }
.inherit[data-inherit="inherit"] .inherit__flag { visibility: hidden; }
.inherit__caption { margin: 1.25rem 0 0; font-size: var(--aalto-base-font-size--2); }
.inherit__caption [data-show] { display: none; }
.inherit[data-inherit="file"] .inherit__caption [data-show="file"],
.inherit[data-inherit="inherit"] .inherit__caption [data-show="inherit"] { display: inline; }
@media (max-width: 700px) {
  .inherit__track { grid-template-columns: 1fr; }
  .inherit__stack { flex-direction: row; flex-wrap: wrap; min-height: 0; }
}

/* ── Johtopäätökset ja julkaisut ─────────────────────────────────── */
.concl { display: grid; grid-template-columns: 3.5rem minmax(0, 1fr); gap: 1.25rem; padding: 1.75rem 0; border-bottom: 1px solid var(--aalto-col-subtle); }
.concl__num { font-size: 2.5rem; font-weight: 900; line-height: 1; letter-spacing: -0.04em; color: var(--aalto-col-subtle); }
.concl__title { font-size: var(--aalto-base-font-size--4); font-weight: 700; color: var(--aalto-col-fg); margin-bottom: 0.625rem; line-height: 1.3; }
.article-section .concl p { margin-bottom: 0; }
@media (max-width: 600px) { .concl { grid-template-columns: 1fr; gap: 0.5rem; } }
.pub { padding: 1.5rem; border: 1px solid var(--aalto-col-subtle); border-left: 4px solid var(--aalto-base-color__aalto-brand--aalto-blue-1); margin-bottom: 1rem; }
.pub__title { font-weight: 700; font-style: italic; font-size: var(--aalto-base-font-size--3); margin-bottom: 0.25rem; }
.pub__meta { font-size: var(--aalto-base-font-size--1); color: var(--aalto-col-fg-tint); margin-bottom: 0.75rem; }
.article-section .pub p { font-size: var(--aalto-base-font-size--2); line-height: 1.65; }
.article-section .pub .readmore { margin: 0.75rem 0 0; font-size: var(--aalto-base-font-size--1); }
.refs { counter-reset: none; }
.refs li { font-size: var(--aalto-base-font-size--1); line-height: 1.55; color: var(--aalto-col-fg-tint); padding: 0.5rem 0; border-bottom: 1px solid var(--aalto-col-subtle); overflow-wrap: anywhere; }
.pilot-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin: 2rem 0; }
@media (max-width: 860px) { .pilot-grid { grid-template-columns: 1fr; } }
.sr-only { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
table.data-chart.is-charted { display: block !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.figure table.data-chart:not(.is-charted) { display: block; overflow-x: auto; }
.stat-row .stat__num { font-size: 1.75rem; white-space: nowrap; letter-spacing: -0.03em; }
.content-wrap--narrow .role-grid { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.actor-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.actor-grid .split__col--impact { grid-column: 1 / -1; }
.actor-grid .split__col--impact .impact-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 0.5rem; }
@media (max-width: 700px) { .actor-grid { grid-template-columns: 1fr; } }
ol.timeline, ol.refs { list-style: none; margin-left: 0; }
ol.refs { padding-left: 0; }
.corner__desc, .corner__name { overflow-wrap: anywhere; hyphens: auto; }
p.figure__note:not(figure p) { margin-bottom: 1.5rem; }
.article-section .figure__sub { font-size: var(--aalto-base-font-size--1); line-height: 1.5; }
.article-section .figure__note { font-size: 0.8125rem; line-height: 1.5; }
.article-section .integ__result { font-size: var(--aalto-base-font-size--2); color: var(--aalto-col-fg); }
.article-section .inherit__caption { font-size: var(--aalto-base-font-size--2); color: var(--aalto-col-fg); }
.article-section .role-card__text { font-size: var(--aalto-base-font-size--2); line-height: 1.65; }

/* ── Tiivis versio: keskeiset havainnot, lisätietolinkit ─────────── */
.keypoints {
  margin: 0 0 2.5rem;
  padding: 1.5rem 1.75rem;
  background: var(--aalto-base-color__aalto-brand--aalto-yellow-1);
  color: var(--aalto-base-color__neutral--black);
}
.keypoints__title { font-size: var(--aalto-base-font-size--1); font-weight: 800; text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 0.875rem; }
.keypoints ol { list-style: none; margin: 0; padding: 0; counter-reset: kp; display: flex; flex-direction: column; gap: 0.75rem; }
.keypoints li {
  counter-increment: kp;
  position: relative;
  padding-left: 2.5rem;
  font-size: var(--aalto-base-font-size--3);
  line-height: 1.5;
  font-weight: 600;
}
.keypoints li::before {
  content: counter(kp);
  position: absolute; left: 0; top: 0.05rem;
  width: 1.75rem; height: 1.75rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--aalto-base-color__neutral--black); color: var(--aalto-base-color__aalto-brand--aalto-yellow-1);
  font-size: var(--aalto-base-font-size--1); font-weight: 800;
}
.readmore { margin: 2rem 0 0; }
.article-section .readmore { font-size: var(--aalto-base-font-size--1); }
.readmore a {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: var(--aalto-base-font-size--1); font-weight: 700;
  color: var(--aalto-col-fg); text-decoration: underline; text-underline-offset: 3px;
}
.readmore a:hover { opacity: 0.7; }
.savings--compact { grid-template-columns: auto minmax(0, 1fr); align-items: center; margin-top: 1rem; padding: 1.25rem 1.5rem; }
.savings__num { font-size: 2rem; font-weight: 900; letter-spacing: -0.03em; color: var(--aalto-base-color__aalto-brand--aalto-yellow-1); white-space: nowrap; min-width: 6.5rem; }
.article-section .savings__text { font-size: var(--aalto-base-font-size--2); line-height: 1.5; color: var(--aalto-base-color__tint--white-tint-2); margin: 0; }
@media (max-width: 600px) { .savings--compact { grid-template-columns: 1fr; gap: 0.5rem; } }
.checklist { display: flex; flex-direction: column; gap: 0.625rem; margin: 0 0 1.5rem; }
.checklist li {
  position: relative; padding: 0.75rem 1rem 0.75rem 2.75rem;
  background: var(--aalto-col-bg-tint);
  font-size: var(--aalto-base-font-size--2); line-height: 1.55; color: var(--aalto-col-fg);
}
.checklist li::before {
  content: ""; position: absolute; left: 1rem; top: 1.05rem;
  width: 0.875rem; height: 0.875rem;
  background: var(--aalto-base-color__neutral--black);
}
.tabs__sub { font-weight: 500; color: var(--aalto-col-fg-tint); font-size: var(--aalto-base-font-size--2); letter-spacing: 0; }
.article-section .acc__body p { font-size: var(--aalto-base-font-size--2); line-height: 1.6; }
#tiivistelma .keypoints { max-width: 820px; }

/* Tutkimus lukuina: otsikko tummalla pohjalla */
.stat-band .section-hdr h2 { color: var(--aalto-base-color__neutral--white); }
.stat-band .section-hdr__label { color: var(--aalto-base-color__aalto-brand--aalto-yellow-1); }
.stat-band .section-hdr p { color: var(--aalto-base-color__tint--white-tint-2); }

/* Video (tiedonvirtaus.html) */
.video-figure video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; background: var(--aalto-col-subtle); border: 1px solid var(--aalto-col-subtle); }

/* ── Alatunniste: sarakeotsikot keltaisella (luettavuus tummalla taustalla) ── */
.site-footer__col-label { color: var(--aalto-base-color__aalto-brand--aalto-yellow-1); }

/* Home link + brand affordance */
.site-nav__brand:hover .site-nav__brand-section,
.site-nav__brand:hover .site-nav__brand-name { text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 1240px) {
  .site-nav__links a { padding: 0.375rem 0.5rem; }
  .site-nav__links a:not(.site-nav__home) span[class^="icon-"] { display: none; }
}
@media (max-width: 1240px) and (min-width: 993px) {
  .site-nav__links { overflow-x: auto; min-width: 0; scrollbar-width: none; }
}
@media (max-width: 600px) {
  .site-nav__links a.site-nav__home span[class^="icon-"] { display: inline-block; }
}
@media (max-width: 1100px) {
  .site-nav__inner { gap: 1rem; }
  .site-nav__brand-sep, .site-nav__brand-section { display: none; }
}