/* ============================================================
   Northstone Invest — Stylesheet
   ------------------------------------------------------------
   Sections:
      1. Reset & base
      2. Layout primitives
      3. Buttons
      4. Header / nav
      5. Footer
      6. Section heads (eyebrow / number)
      7. CSS motifs (colonnade, modular grid, placeholder)
      8. Hero
      9. Thesis / Responsible (split + numbered list)
     10. Approach (pillars)
     11. Portfolio / Featured investment
     12. Insights teasers & cards
     13. In the news
     14. FAQ
     15. Contact band (home)
     16. Contact page (form)
     17. Insights index
     18. Article
     19. Motion / reveal
     20. Responsive
   ============================================================ */


/* ====== 1. Reset & base ====== */

*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }

html { scroll-behavior: smooth; }

/* Guard against any element forcing horizontal scroll on narrow screens.
   Use `clip`, not `hidden`: `hidden` makes html/body a scroll container,
   which silently breaks the sticky header (it sticks to that container,
   not the viewport, and scrolls away). `clip` contains overflow without
   creating a scroll container, so position: sticky keeps working. */
html, body { overflow-x: clip; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }


/* ====== 2. Layout primitives ====== */

.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section { padding: var(--section-pad) 0; }
.section--dark { background: var(--dark); color: var(--on-dark); }
.section--light { background: var(--bg); }
.section--alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: start;
}


/* ====== 3. Buttons ====== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 26px;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: filter var(--t-fast), opacity var(--t-fast), background-color var(--t-fast);
}
.btn--accent { background: var(--accent); color: #fff; }
.btn--accent:hover { filter: brightness(1.07); }
.btn--dark {
  padding: 10px 20px;
  font-size: 13px;
  letter-spacing: 0.02em;
  background: var(--ink);
  color: var(--bg-alt);
}
.btn--dark:hover { opacity: 0.88; }
.btn--ghost-dark {
  border-color: var(--line-dark-strong);
  color: var(--on-dark);
}
.btn--ghost-dark:hover { background: rgba(255, 255, 255, 0.06); }


/* ====== 4. Header / nav ====== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--line);
}
.site-header-inner {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: inline-flex; align-items: center; color: var(--ink); }
.brand-logo {
  display: block;
  height: 22px;
  width: auto;
  color: inherit;
}
.brand:hover .brand-logo { color: var(--accent); }

.site-nav { display: flex; align-items: center; gap: 34px; }
.site-nav > a:not(.btn) {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color var(--t-fast);
}
.site-nav > a:not(.btn):hover { color: var(--ink); }
.site-nav > a.is-current { color: var(--ink); font-weight: 600; }

/* Language switch (EN / DE) */
.lang {
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  white-space: nowrap;
}
.lang-active { color: var(--ink); font-weight: 600; }
.lang a { color: var(--ink-soft); transition: color var(--t-fast); }
.lang a:hover { color: var(--accent); }
.lang .lang-inert { color: var(--line-strong, var(--ink-soft)); opacity: 0.5; }

/* Hamburger — hidden until the mobile breakpoint */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.nav-toggle-bar {
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  margin: 0 auto;
}


/* ====== 5. Footer ====== */

.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  padding: 56px 0;
}
.site-footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.site-footer .brand-logo { height: 26px; }
.site-footer-nav { display: flex; gap: 28px; flex-wrap: wrap; }
.site-footer-nav a {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink-soft);
  transition: color var(--t-fast);
}
.site-footer-nav a:hover { color: var(--ink); }
.site-footer-legal {
  margin-top: 40px;
  max-width: 96ch;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-soft);
}


/* ====== 6. Section heads (eyebrow / number) ====== */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 46px;
}
.eyebrow-num {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}
.eyebrow-label {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* Brass-rule eyebrow variant (Hero, Contact page, Insights head) */
.eyebrow--rule { margin-bottom: 26px; }
.eyebrow-rule {
  width: 28px;
  height: 1px;
  background: var(--accent);
}

/* On dark sections, recolour the eyebrow */
.section--dark .eyebrow-num,
.section--dark .eyebrow-label { color: var(--accent-on-dark); }
.section--dark .eyebrow-label { color: var(--on-dark-soft); }
.section--dark .eyebrow--rule .eyebrow-rule { background: var(--accent-on-dark); }

/* Headlines */
.h-section {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.012em;
  color: var(--ink);
  text-wrap: balance;
}
.section--dark .h-section { color: var(--on-dark); }


/* ====== 7. CSS motifs ====== */

/* Colonnade — framed navy panel with vertical lines + brass horizon */
.motif {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-dark);
}
.motif--colonnade {
  aspect-ratio: 3 / 4;
  background: linear-gradient(180deg, rgba(22, 41, 64, 0.85) 0%, #0a1622 100%);
}
.motif--colonnade::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.07) 0 2px, transparent 2px 30px);
}
.motif--colonnade::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 62%;
  height: 1px;
  background: var(--accent-on-dark);
}
.motif-corner {
  position: absolute;
  left: 22px;
  top: 24px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--accent-on-dark);
}
.motif-glow {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 38%;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.05));
}
.motif--wide { aspect-ratio: 21 / 9; border-color: var(--line); }
.motif--feature { aspect-ratio: 16 / 10; border-color: var(--line); }
.motif--feature::after { top: 60%; }
.motif--wide::after { top: 58%; }

/* Photographic fill — a navy-duotone image inside the motif frame.
   Sits beneath the brass horizon line (::after) and corner mark so the
   framing language of the CSS motifs carries over to real photography. */
.motif-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.motif--colonnade:has(.motif-photo) { background: #0a1622; }
/* Keep the faint vertical-line overlay subtly on top of the photo */
.motif--colonnade:has(.motif-photo)::before { opacity: 0.5; z-index: 1; }
.motif:has(.motif-photo)::after { z-index: 2; }
.motif-photo ~ .motif-corner,
.motif-photo ~ .motif-glow { z-index: 2; }

/* Modular grid — 4×4 cells, a few filled brass / white-6% */
.motif--modular {
  aspect-ratio: 4 / 3;
  background: #0b1726;
}
.modular-grid {
  position: absolute;
  inset: 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: 8px;
}
.modular-grid > span { border: 1px solid rgba(255, 255, 255, 0.12); }
.modular-grid > span.is-brass { background: var(--accent); }
.modular-grid > span.is-brass-light { background: var(--accent-on-dark); }
.modular-grid > span.is-fill { background: rgba(255, 255, 255, 0.06); }


/* ====== 8. Hero ====== */

.hero { background: var(--dark); color: var(--on-dark); }
.hero .container { padding-top: 96px; padding-bottom: 0; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 72px;
  align-items: start;
}
/* Let columns shrink below their content's intrinsic width so a long
   German compound word can't force the grid wider than the viewport. */
.hero-grid > * { min-width: 0; }
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 30px;
}
.hero-eyebrow .eyebrow-rule { background: var(--accent-on-dark); }
.hero-eyebrow span:last-child {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-on-dark);
}
.hero-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--on-dark);
  /* Long German compounds hyphenate (lang="de") instead of overflowing. */
  overflow-wrap: break-word;
  -webkit-hyphens: auto;
  hyphens: auto;
}
.hero-lede {
  margin-top: 30px;
  max-width: 50ch;
  font-size: 18px;
  line-height: 1.62;
  color: var(--on-dark-soft);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

/* Meta strip — 4 columns separated by vertical hairlines */
.meta-strip {
  margin-top: 84px;
  border-top: 1px solid var(--line-dark);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.meta-cell {
  padding: 26px 28px 30px;
  border-right: 1px solid var(--line-dark);
}
.meta-cell:first-child { padding-left: 0; }
.meta-cell:last-child { padding-right: 0; border-right: none; }
.meta-cell-label {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--on-dark-soft);
}
.meta-cell-value {
  margin-top: 8px;
  font-family: var(--serif);
  font-size: 21px;
  color: var(--on-dark);
}
.meta-cell-value.is-accent { color: var(--accent-on-dark); }
.hero-spacer { height: 96px; }


/* ====== 9. Thesis / Responsible (split + lists) ====== */

.split-intro {
  margin-top: 28px;
  font-size: 18px;
  line-height: 1.66;
  color: var(--ink-soft);
}

/* Numbered hairline list (Thesis) */
.point-list { display: flex; flex-direction: column; }
.point {
  padding: 24px 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 18px;
}
.point:last-child { border-bottom: 1px solid var(--line); }
.point-num { font-family: var(--mono); font-size: 13px; color: var(--accent); }
.point-title {
  font-family: var(--serif);
  font-size: 20px;
  color: var(--ink);
  margin-bottom: 6px;
}
.point-text {
  font-size: 15px;
  line-height: 1.58;
  color: var(--ink-soft);
}

/* Plain hairline list (Responsible) */
.fact-list { display: flex; flex-direction: column; }
.fact { padding: 24px 0; border-top: 1px solid var(--line); }
.fact:last-child { border-bottom: 1px solid var(--line); }
.fact-title {
  font-family: var(--serif);
  font-size: 20px;
  color: var(--ink);
  margin-bottom: 6px;
}
.fact-text { font-size: 15px; line-height: 1.58; color: var(--ink-soft); }


/* ====== 10. Approach (pillars) ====== */

.approach-title { margin-bottom: 64px; max-width: 18ch; }
.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}
.pillar {
  padding: 36px 28px;
  border-right: 1px solid var(--line);
}
.pillar:first-child { padding-left: 0; }
.pillar:last-child { padding-right: 0; border-right: none; }
.pillar-mark {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 20px;
}
.pillar h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  color: var(--ink);
  margin-bottom: 12px;
}
.pillar p { font-size: 15px; line-height: 1.6; color: var(--ink-soft); }


/* ====== 11. Portfolio / Featured investment ====== */

.featured-investment {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}
.featured-investment-kicker {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-on-dark);
  margin-bottom: 16px;
}
.featured-investment-name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.02;
  color: var(--on-dark);
}
.featured-investment-desc {
  margin-top: 20px;
  max-width: 48ch;
  font-size: 17px;
  line-height: 1.62;
  color: var(--on-dark-soft);
}
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.chip {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--on-dark);
  border: 1px solid var(--line-dark-strong);
  padding: 8px 14px;
  border-radius: var(--radius);
}
.chip--muted { color: var(--on-dark-soft); border-style: dashed; }

/* Case-study deep dive — 3 columns with vertical dividers */
.casestudy {
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-dark);
}
.casestudy-col {
  padding: 38px 32px 0;
  border-right: 1px solid var(--line-dark);
}
.casestudy-col:first-child { padding-left: 0; }
.casestudy-col:last-child { padding-right: 0; border-right: none; }
.casestudy-label {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-on-dark);
  margin-bottom: 14px;
}
.casestudy-col p { font-size: 15px; line-height: 1.62; color: var(--on-dark-soft); }

/* Pipeline note */
.pipeline { margin-top: 80px; }
.pipeline-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.pipeline-head h4 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 24px;
  color: var(--on-dark);
}
.pipeline-head p { font-size: 14px; color: var(--on-dark-soft); }


/* ====== 12. Insights teasers & cards ====== */

.insights-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 54px;
}
.insights-head .eyebrow { margin-bottom: 0; }
.link-accent {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  transition: opacity var(--t-fast);
}
.link-accent:hover { opacity: 0.7; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.card {
  display: block;
  border-top: 1px solid var(--ink);
  padding-top: 24px;
  transition: opacity var(--t-fast);
}
.card:hover { opacity: 0.78; }
.meta-row {
  display: flex;
  gap: 12px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.meta-date { color: var(--ink-soft); font-weight: 500; }
.card-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 23px;
  line-height: 1.18;
  color: var(--ink);
  margin-bottom: 14px;
}
.card-summary { font-size: 15px; line-height: 1.58; color: var(--ink-soft); }


/* ====== 13. FAQ ====== */

.faq-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
  align-items: start;
}
.faq-heading .eyebrow { margin-bottom: 28px; }
.faq-heading h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(28px, 3.2vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.012em;
  color: var(--ink);
}
.faq-item {
  border-top: 1px solid var(--line);
  padding: 22px 0;
}
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item summary {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-family: var(--serif);
  font-size: 21px;
  color: var(--ink);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-marker {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  font-size: 0; /* marker is drawn with the bars below; never render text content */
}
/* Two bars form a "+"; the vertical bar collapses to make a "−" when open. */
.faq-marker::before,
.faq-marker::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--accent);
  transform: translate(-50%, -50%);
}
.faq-marker::before { width: 16px; height: 2px; }            /* horizontal */
.faq-marker::after  { width: 2px; height: 16px;              /* vertical */
  transition: transform var(--t-fast) var(--ease); }
.faq-item[open] .faq-marker::after { transform: translate(-50%, -50%) scaleY(0); }
.faq-answer {
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.62;
  color: var(--ink-soft);
}
.faq-answer a { color: var(--accent); text-decoration: underline; }


/* ====== 14. Contact band (home) ====== */

.contact-band h2 {
  max-width: 20ch;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.012em;
  color: var(--on-dark);
}
.contact-band-place {
  margin-top: 18px;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--accent-on-dark);
}
.contact-split {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line-dark);
}
.contact-col {
  padding: 44px 56px;
  border-right: 1px solid var(--line-dark);
}
.contact-col:first-child { padding-left: 0; }
.contact-col:last-child { padding-right: 0; border-right: none; }
.contact-col-label {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-on-dark);
  margin-bottom: 18px;
}
.contact-col p {
  margin-bottom: 26px;
  max-width: 40ch;
  font-size: 18px;
  line-height: 1.6;
  color: var(--on-dark-soft);
}


/* ====== 16. Contact page (form) ====== */

.contact-page { padding-block: 96px var(--section-pad); }
.contact-page-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 80px;
  align-items: start;
}
.contact-h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(36px, 4.4vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.contact-intro {
  margin-top: 26px;
  max-width: 44ch;
  font-size: 18px;
  line-height: 1.62;
  color: var(--ink-soft);
}
.detail-list { margin-top: 48px; border-top: 1px solid var(--line); }
.detail {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.detail-label {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 8px;
}
.detail-value {
  font-family: var(--serif);
  font-size: 19px;
  color: var(--ink);
  transition: color var(--t-fast);
}
a.detail-value:hover { color: var(--accent); }

.form-card {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  padding: 48px;
}
/* Spam honeypot: hidden from people, left in the DOM for bots to fill.
   Positioned off-screen rather than display:none so bots don't skip it. */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.field { display: block; }
/* Vertical rhythm between stacked blocks. The `gap` on .field-row already
   spaces the two columns within a row, so the margin must NOT apply to the
   second .field inside a row — scope it to direct children of the form. */
.field + .field-row,
.field-row + .field-row,
.field-row + .field,
#inquiry-form > .field + .field { margin-top: 22px; }
.field-label {
  display: block;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 9px;
}
.field-label .optional {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 15px;
  color: var(--ink);
  background: #fff;
  transition: border-color var(--t-fast);
}
.field textarea { resize: vertical; }
.field input::placeholder,
.field textarea::placeholder { color: var(--placeholder); }
.field input:focus,
.field select:focus,
.field textarea:focus { outline: none; border-color: var(--accent); }

.form-submit {
  margin-top: 28px;
  width: 100%;
  justify-content: center;
  padding: 16px;
}
.form-fineprint {
  margin-top: 18px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--fine-print);
}
.form-error {
  margin-top: 18px;
  padding-left: 14px;
  border-left: 2px solid var(--accent);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-body);
}
.form-error[hidden] { display: none; }
.form-error a { color: var(--accent); }

/* Thank-you state */
.form-thanks {
  min-height: 420px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.form-thanks[hidden] { display: none; }
.thanks-check {
  width: 44px;
  height: 44px;
  border: 1px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-family: var(--serif);
  font-size: 24px;
  margin-bottom: 24px;
}
.form-thanks h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 30px;
  color: var(--ink);
}
.form-thanks p {
  margin-top: 16px;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.62;
  color: var(--ink-soft);
}
.form-thanks a {
  margin-top: 28px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}
.form-thanks a:hover { opacity: 0.7; }


/* ====== 17. Insights index ====== */

/* Vertical padding only — keep the container's horizontal gutter intact
   (the `padding` shorthand would reset it to 0 and push content edge to edge). */
.insights-page-head { padding-top: 96px; padding-bottom: 56px; }
.insights-h1 {
  max-width: 20ch;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(36px, 4.6vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--ink);
  /* Long German compounds hyphenate (lang="de") instead of overflowing. */
  overflow-wrap: break-word;
  -webkit-hyphens: auto;
  hyphens: auto;
}
/* When the page head has no filter row (e.g. the news index), the mandate
   line follows the H1 directly — neutralise its negative top margin so it
   does not overlap the heading. */
.insights-h1 + .insights-mandate { margin-top: 20px; }
.filter-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 40px; }
.chip-filter {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
  border: 1px solid var(--line-strong);
  background: none;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  transition: background-color var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.chip-filter.is-active {
  font-weight: 600;
  color: #fff;
  background: var(--ink);
  border-color: var(--ink);
}

.featured { padding-bottom: 16px; }
.featured-link {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  border-top: 1px solid var(--ink);
  padding-top: 36px;
  transition: opacity var(--t-fast);
}
.featured-link:hover { opacity: 0.85; }
.featured-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 16px;
}
.featured-summary {
  max-width: 48ch;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-soft);
}
.featured-cta {
  display: inline-block;
  margin-top: 22px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}

.insights-grid { padding-top: 64px; padding-bottom: var(--section-pad); }
.insights-grid .card-grid { gap: 40px 32px; }
.insights-grid .card-title { font-size: 22px; }
.insights-grid .card-summary { line-height: 1.56; }
/* Items hidden by an active filter (grid cards and the featured block) */
.card.is-hidden,
.featured.is-hidden { display: none; }

/* Empty state shown when a filter matches no perspectives */
.insights-empty {
  margin: 0;
  padding: 8px 0;
  font-size: 16px;
  color: var(--ink-soft);
}


/* ====== 18. Article ====== */

.article-head { max-width: 760px; margin: 0 auto; padding: 80px var(--gutter) 0; }
.article-back {
  display: inline-block;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 40px;
  transition: opacity var(--t-fast);
}
.article-back:hover { opacity: 0.7; }
.article-meta { letter-spacing: 0.08em; margin-bottom: 22px; }
.article-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(34px, 4.6vw, 52px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--ink);
  text-wrap: balance;
}
.article-standfirst {
  margin-top: 24px;
  font-family: var(--serif);
  font-style: italic;
  font-size: 21px;
  line-height: 1.5;
  color: var(--ink-soft);
}
.article-byline {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.avatar {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-pill);
  background: var(--dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  color: var(--accent-on-dark);
  font-size: 15px;
}
.article-byline-name { font-family: var(--sans); font-size: 14px; font-weight: 600; color: var(--ink); }
.article-byline-place { font-family: var(--sans); font-size: 13px; color: var(--ink-soft); }

.article-lead { max-width: 980px; margin: 48px auto 0; padding: 0 var(--gutter); }

.article-body { max-width: 680px; margin: 0 auto; padding: 56px var(--gutter) 40px; }
.article-body p {
  margin-bottom: 24px;
  font-size: 18px;
  line-height: 1.72;
  color: var(--ink-body);
}
.article-body h2 {
  margin: 44px 0 16px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 30px;
  line-height: 1.15;
  color: var(--ink);
}
.article-body ul {
  margin: 0 0 24px;
  padding-left: 22px;
  font-size: 18px;
  line-height: 1.72;
  color: var(--ink-body);
}
.article-body li { margin-bottom: 10px; }
.article-body blockquote {
  margin: 36px 0;
  padding: 8px 0 8px 28px;
  border-left: 2px solid var(--accent);
}
.article-body blockquote p {
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: 24px;
  line-height: 1.4;
  color: var(--ink);
}

.article-cta {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 var(--gutter) 110px;
}
.article-cta > div:first-child,
.article-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.article-cta { display: block; }
.article-cta-inner {
  border-top: 1px solid var(--line);
  padding-top: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.article-cta-title { font-family: var(--serif); font-size: 22px; color: var(--ink); }
.article-cta-sub { margin-top: 6px; font-size: 15px; color: var(--ink-soft); }
.article-cta .btn { white-space: nowrap; }


/* ====== 19. Motion / reveal ====== */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}
.reveal.is-in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .faq-marker { transition: none; }
}


/* ====== 19b. Credibility additions ======
   Hero "as of" stamp, the Approach method panel, the Insights intro
   note, the disclosures strip and the footer refrain. All reuse the
   existing token palette — navy/ivory/brass, hairlines, no shadows. */

/* Hero meta-strip "as of" caption */
.meta-strip-asof {
  margin-top: 18px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--on-dark-soft);
}

/* Approach — "How we work" method panel (sits below the A–D pillars) */
.method { margin-top: 72px; }
.method-head {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
  align-items: baseline;
  margin-bottom: 8px;
}
.method-intro {
  font-size: 18px;
  line-height: 1.66;
  color: var(--ink-soft);
}
.method-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 56px;
}
/* The shared .point top border is the hairline rhythm; in a 2-col grid the
   first two cells form the top row. */
.method-steps .point:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }

/* Insights program mandate line */
.insights-mandate {
  max-width: 60ch;
  margin: -26px 0 40px;
  font-size: 16px;
  line-height: 1.62;
  color: var(--ink-soft);
}

/* Disclosures strip — quiet hairline-bounded band above the footer */
.disclosure-strip {
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.disclosure-text {
  max-width: 96ch;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* Footer specialist refrain — serif, sits above the legal paragraph */
.site-footer-refrain {
  margin-top: 36px;
  font-family: var(--serif);
  font-size: 18px;
  color: var(--ink);
}
.site-footer-refrain + .site-footer-legal { margin-top: 14px; }


/* ====== 20. Responsive ====== */

@media (max-width: 900px) {
  /* Header → disclosure menu */
  .nav-toggle { display: flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--line);
    padding: 8px var(--gutter) 20px;
  }
  .site-nav.is-open { display: flex; }
  .site-nav > a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .site-nav .btn { margin-top: 16px; justify-content: center; }
  .site-header { position: sticky; }

  /* Collapse all multi-column grids to a single column */
  .split,
  .hero-grid,
  .featured-investment,
  .faq-grid,
  .contact-page-grid,
  .featured-link,
  .method-head {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* Method steps stack; restore the single-column hairline rhythm */
  .method-steps { grid-template-columns: 1fr; column-gap: 0; }
  .method-steps .point:nth-last-child(-n+2):not(:last-child) { border-bottom: none; }
  .method { margin-top: 56px; }
  .method-head { margin-bottom: 0; }

  .meta-strip { grid-template-columns: repeat(2, 1fr); }
  .meta-cell:nth-child(2) { padding-right: 0; border-right: none; }
  .meta-cell:nth-child(3) { padding-left: 0; }

  .pillars,
  .casestudy { grid-template-columns: 1fr; }
  .pillar,
  .casestudy-col {
    padding: 28px 0;
    border-right: none;
    border-top: 1px solid var(--line);
  }
  .casestudy-col { border-top-color: var(--line-dark); }
  .pillars,
  .casestudy { border-top: none; }

  .card-grid,
  .insights-grid .card-grid,

  .contact-split { grid-template-columns: 1fr; }
  .contact-col {
    padding: 36px 0;
    border-right: none;
    border-top: 1px solid var(--line-dark);
  }
  .contact-split { border-top: none; }

  .form-card { padding: 32px 24px; }
  .field-row { grid-template-columns: 1fr; gap: 22px; }
}

@media (max-width: 560px) {
  /* Ease the hero title down so it sits comfortably within the narrow
     viewport rather than filling it edge to edge. */
  .hero-title { font-size: clamp(31px, 8.5vw, 40px); }

  /* Meta strip: stack into one column so values stop overflowing the cell */
  .meta-strip { grid-template-columns: 1fr; }
  .meta-cell {
    padding: 20px 0;
    border-right: none;
    border-top: 1px solid var(--line-dark);
  }
  .meta-cell:first-child { border-top: none; }
  .meta-strip { border-top: none; }
}