/* ============================================================
   SLINGSTONE CAPITAL PARTNERS — Design System
   slingstonecapitalpartners.com
   ============================================================ */

/* ── Tokens ─────────────────────────────────────────────── */
:root {
  --black:     #000000;
  --white:     #FFFFFF;
  --gray:      #6B6B6B;
  --rule:      #000000;
  --border:    #D8D8D8;
  --dark-bg:   #000000;

  --serif:     'Cormorant Garamond', 'Georgia', serif;
  --sans:      'Inter', -apple-system, sans-serif;

  --space-xs:  8px;
  --space-sm:  16px;
  --space-md:  32px;
  --space-lg:  64px;
  --space-xl:  120px;
  --space-2xl: 180px;

  --max-w:     1100px;
  --side:      clamp(24px, 5vw, 80px);
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ── Typography ──────────────────────────────────────────── */
.t-display {
  font-family: var(--serif);
  font-size: clamp(72px, 12vw, 140px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--black);
}
.t-hero {
  font-family: var(--serif);
  font-size: clamp(44px, 6vw, 80px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.t-h1 {
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.t-h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.t-h3 {
  font-family: var(--serif);
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 400;
  line-height: 1.3;
}
.t-body {
  font-family: var(--sans);
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 400;
  line-height: 1.7;
  color: var(--black);
}
.t-small {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--gray);
}
.t-label {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--black);
}

/* ── Section Label + Dash Rule ───────────────────────────── */
.section-label {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: var(--space-md);
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--rule);
}

/* ── Layout ──────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--side);
}
.section {
  padding-block: var(--space-xl);
  border-top: 1px solid var(--rule);
}
.section:first-of-type { border-top: none; }

/* ── Navigation ──────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--rule);
}
.nav__inner {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--side);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}
/* Logo crop: SVG 375×375, "S" of SLINGSTONE starts at SVG x≈43, "PARTNERS" ends at ≈332.
   img at 250px → scale 0.667. Container wide enough to show full text with safe margins. */
.nav__logo {
  display: block;
  width: 210px;
  height: 44px;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}
.nav__logo img {
  position: absolute;
  width: 250px;
  height: 250px;
  left: -24px;
  top: -101px;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.nav__link {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 400;
  color: var(--black);
  transition: opacity 0.15s;
}
.nav__link:hover { opacity: 0.5; }
.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--black);
  color: var(--white);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: 1px solid var(--black);
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.nav__cta:hover { background: var(--white); color: var(--black); }
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--black);
  transition: transform 0.2s, opacity 0.2s;
}
.nav__mobile {
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--border);
  padding: var(--space-sm) var(--side) var(--space-md);
  gap: var(--space-sm);
  background: var(--white);
}
.nav__mobile.open { display: flex; }
.nav__mobile .nav__link {
  font-size: 15px;
  padding-block: 8px;
  border-bottom: 1px solid var(--border);
}
.nav__mobile .nav__cta { align-self: flex-start; margin-top: var(--space-xs); }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: 1px solid var(--black);
  transition: background 0.15s, color 0.15s;
  cursor: pointer;
}
.btn--primary {
  background: var(--black);
  color: var(--white);
}
.btn--primary:hover { background: var(--white); color: var(--black); }
.btn--ghost {
  background: var(--white);
  color: var(--black);
}
.btn--ghost:hover { background: var(--black); color: var(--white); }
.btn--inverse {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}
.btn--inverse:hover { background: transparent; color: var(--white); border-color: var(--white); }

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  padding-block: clamp(40px, 7vh, 80px);
  border-bottom: 1px solid var(--rule);
}
.hero__inner {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--side);
  width: 100%;
}
.hero__eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: var(--space-md);
}
.hero__headline {
  max-width: 820px;
  margin-bottom: var(--space-md);
}
.hero__headline-l,
.hero__headline-r {
  display: block;
}
.hero__headline-r {
  text-align: right;
}
.hero__sub {
  max-width: 560px;
  color: var(--gray);
  font-size: clamp(15px, 1.8vw, 18px);
  line-height: 1.65;
  margin-bottom: var(--space-sm);
}
.hero__note {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--gray);
  margin-bottom: var(--space-lg);
}
.hero__rule {
  width: 40px;
  height: 1px;
  background: var(--gray);
  margin-block: var(--space-lg);
}

/* ── Proof Band ──────────────────────────────────────────── */
.proof-band {
  padding-block: 48px;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.proof-band__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
}
.proof-band__item {
  background: var(--white);
  padding: var(--space-md) var(--space-md) var(--space-md) 0;
}
.proof-band__item:first-child { padding-left: 0; }
.proof-band__number {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--black);
  display: block;
  margin-bottom: 6px;
}
.proof-band__label {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--gray);
  line-height: 1.4;
}

/* ── What Slingstone Does ────────────────────────────────── */
.what-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--rule);
  margin-top: var(--space-lg);
}
.what-item {
  padding: var(--space-lg) var(--space-md);
  border-right: 1px solid var(--rule);
}
.what-item:last-child { border-right: none; }
.what-item__tag {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border);
}
.what-item__body {
  font-size: 14px;
  line-height: 1.75;
  color: var(--black);
}

/* ── Track Cards ─────────────────────────────────────────── */
.tracks-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin-top: var(--space-lg);
}
.track-card {
  background: var(--white);
  padding: var(--space-lg) var(--space-md);
  transition: background 0.2s, color 0.2s;
  text-decoration: none;
  cursor: pointer;
  display: block;
}
.track-card:hover { background: var(--black); color: var(--white); }
.track-card:hover .track-card__label,
.track-card:hover .track-card__range,
.track-card:hover .track-card__body { color: rgba(255,255,255,0.75); }
.track-card__arrow {
  display: block;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-top: var(--space-md);
  opacity: 0;
  transition: opacity 0.2s;
}
.track-card:hover .track-card__arrow { opacity: 1; }
.track-card__label {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 6px;
}
.track-card__title {
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 400;
  margin-bottom: var(--space-sm);
}
.track-card__range {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--gray);
  margin-bottom: var(--space-md);
  font-style: italic;
}
.track-card__body {
  font-size: 14px;
  line-height: 1.75;
  color: var(--black);
}

/* ── Pillars List ────────────────────────────────────────── */
.pillars-list {
  margin-top: var(--space-lg);
  border-top: 1px solid var(--rule);
}
.pillar-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-block: var(--space-md);
  border-bottom: 1px solid var(--border);
  transition: border-color 0.15s;
}
.pillar-item:hover { border-bottom-color: var(--rule); }
.pillar-item svg { flex-shrink: 0; }
.pillar-item__num {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 300;
  line-height: 1;
  color: var(--gray);
  min-width: 60px;
  flex-shrink: 0;
}
.pillar-item__name {
  font-family: var(--sans);
  font-size: clamp(15px, 2vw, 19px);
  font-weight: 400;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.pillar-item__desc {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.5;
  margin-left: auto;
  max-width: 320px;
  text-align: right;
}

/* ── Closing CTA Section ─────────────────────────────────── */
.cta-dark {
  background: var(--dark-bg);
  color: var(--white);
  padding-block: var(--space-2xl);
}
.cta-dark .section-label { color: rgba(255,255,255,0.5); }
.cta-dark .section-label::after { background: rgba(255,255,255,0.3); }
.cta-dark__headline {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  max-width: 720px;
  margin-bottom: var(--space-md);
}
.cta-dark__sub {
  font-size: 15px;
  color: rgba(255,255,255,0.65);
  margin-bottom: var(--space-lg);
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  padding-block: var(--space-lg);
  border-top: 1px solid var(--rule);
}
.footer__inner {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--side);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  align-items: start;
}
.footer__wordmark {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}
.footer__meta { font-size: 12px; color: var(--gray); line-height: 1.6; }
.footer__disclaimer {
  font-size: 11px;
  color: var(--gray);
  line-height: 1.6;
  text-align: right;
}

/* ── Insights Cards ──────────────────────────────────────── */
.insights-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.insight-card {
  padding-block: var(--space-xl);
  border-top: 1px solid var(--rule);
}
.insight-card:last-child { border-bottom: 1px solid var(--rule); }
.insight-card__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  gap: var(--space-md);
}
.insight-card__date { font-size: 12px; color: var(--gray); }
.insight-card__figure {
  font-family: var(--serif);
  font-size: clamp(72px, 12vw, 120px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--black);
  margin-bottom: var(--space-xs);
}
.insight-card__figure-label {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: var(--space-xl);
  max-width: 520px;
  line-height: 1.5;
}
.insight-card__body {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}
.insight-section__label {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
}
.insight-section__content {
  font-size: 13px;
  line-height: 1.75;
  color: var(--black);
}
.insight-section__content ul {
  padding-left: 0;
}
.insight-section__content li {
  padding-left: 12px;
  position: relative;
  margin-bottom: 8px;
}
.insight-section__content li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gray);
  font-size: 11px;
  top: 2px;
}
.insight-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}
.insight-card__sources {
  font-size: 11px;
  color: var(--gray);
  line-height: 1.5;
  max-width: 60%;
}

/* Comparison chart format */
.comparison-chart {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  margin-bottom: var(--space-xl);
  max-width: 520px;
}
.comparison-chart__item {
  background: var(--white);
  padding: var(--space-md) var(--space-md) var(--space-md) 0;
}
.comparison-chart__item:last-child { padding-right: 0; padding-left: var(--space-md); }
.comparison-chart__num {
  font-family: var(--serif);
  font-size: clamp(44px, 7vw, 80px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  display: block;
  margin-bottom: 6px;
}
.comparison-chart__label { font-size: 12px; color: var(--gray); line-height: 1.4; }

/* Geographic flow format */
.geo-flow {
  margin-bottom: var(--space-xl);
}
.geo-flow__item {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  padding-block: 12px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.geo-flow__route { color: var(--black); min-width: 260px; }
.geo-flow__arrow { color: var(--gray); font-family: var(--serif); }
.geo-flow__delta {
  font-family: var(--serif);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 400;
  letter-spacing: -0.01em;
}
.geo-flow__delta.down { color: var(--black); }
.geo-flow__delta.up { color: var(--black); }

/* ── Conversation / Inquiry Flow ─────────────────────────── */
.conv-intro {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  padding-block: var(--space-xl);
}
.conv-intro__inner {
  max-width: 680px;
  margin-inline: auto;
  padding-inline: var(--side);
  width: 100%;
}
.conv-welcome {
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-md);
}
.conv-sub {
  font-size: 16px;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  max-width: 520px;
}
.conv-tracks {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.conv-track-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--black);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.conv-track-btn--primary { background: var(--black); color: var(--white); }
.conv-track-btn--primary:hover { background: var(--white); color: var(--black); }
.conv-track-btn--ghost { background: var(--white); color: var(--black); }
.conv-track-btn--ghost:hover { background: var(--black); color: var(--white); }

/* Questionnaire screen */
.q-screen {
  display: none;
  min-height: calc(100vh - 64px);
  flex-direction: column;
}
.q-screen.active { display: flex; }
.q-progress {
  width: 100%;
  height: 2px;
  background: var(--border);
  flex-shrink: 0;
}
.q-progress__fill {
  height: 100%;
  background: var(--black);
  transition: width 0.3s ease;
}
.q-progress__label {
  padding: 12px var(--side);
  font-size: 11px;
  color: var(--gray);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}
.q-body {
  flex: 1;
  display: flex;
  align-items: center;
  padding: var(--space-xl) var(--side);
}
.q-body__inner {
  max-width: 640px;
  width: 100%;
  margin-inline: auto;
}
.q-question {
  font-family: var(--serif);
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.01em;
}
.q-options {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.q-option {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  font-size: 15px;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: border-color 0.15s, background 0.15s;
  user-select: none;
}
.q-option:hover { border-color: var(--black); }
.q-option.selected { border-color: var(--black); background: var(--black); color: var(--white); }
.q-option__mark {
  width: 16px;
  height: 16px;
  border: 1px solid currentColor;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
}
.q-hint { font-size: 12px; color: var(--gray); margin-top: var(--space-sm); }
.q-input {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--rule);
  padding: 14px 0;
  font-family: var(--serif);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 400;
  color: var(--black);
  outline: none;
  background: transparent;
}
.q-input::placeholder { color: var(--border); }
.q-textarea {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--rule);
  padding: 14px 0;
  font-family: var(--sans);
  font-size: 16px;
  color: var(--black);
  outline: none;
  background: transparent;
  resize: none;
  min-height: 100px;
}
.q-textarea::placeholder { color: var(--border); }
.q-field-group { display: flex; flex-direction: column; gap: var(--space-md); }
.q-field label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 8px;
}
.q-field input {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
  font-family: var(--sans);
  font-size: 15px;
  color: var(--black);
  outline: none;
  background: transparent;
  transition: border-color 0.15s;
}
.q-field input:focus { border-bottom-color: var(--black); }
.q-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--side);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.q-nav__back {
  font-size: 13px;
  color: var(--gray);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
}
.q-nav__back:hover { color: var(--black); }

/* Confirmation */
.q-confirm {
  display: none;
  min-height: calc(100vh - 64px);
  align-items: center;
  padding: var(--space-xl) var(--side);
}
.q-confirm.active { display: flex; }
.q-confirm__inner {
  max-width: 560px;
  margin-inline: auto;
}
.q-confirm__check {
  width: 40px;
  height: 40px;
  border: 1px solid var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: var(--space-lg);
}
.q-confirm__title {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}
.q-confirm__body {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.75;
  margin-bottom: var(--space-lg);
}
.q-confirm__sig {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}
.q-confirm__loi {
  display: none;
  font-size: 13px;
  color: var(--gray);
  padding: var(--space-sm) var(--space-md);
  border-left: 2px solid var(--black);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}
.q-confirm__loi.visible { display: block; }

/* ── Why Slingstone Page ──────────────────────────────────── */
.diff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--rule);
  margin-top: var(--space-lg);
}
.diff-item {
  padding: var(--space-lg) var(--space-md);
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.diff-item:nth-child(2n) { border-right: none; }
.diff-item:nth-last-child(-n+2) { border-bottom: none; }
.diff-item__num {
  font-family: var(--serif);
  font-size: 48px;
  font-weight: 300;
  color: var(--border);
  line-height: 1;
  margin-bottom: var(--space-sm);
}
.diff-item__title {
  font-family: var(--serif);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 400;
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}
.diff-item__body { font-size: 14px; line-height: 1.75; color: var(--black); }

.wont-list {
  margin-top: var(--space-lg);
  border-top: 1px solid var(--rule);
}
.wont-item {
  padding-block: 20px;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  color: var(--black);
  padding-left: var(--space-md);
  position: relative;
}
.wont-item::before {
  content: '×';
  position: absolute;
  left: 0;
  color: var(--gray);
  font-size: 14px;
}

/* ── About Us ─────────────────────────────────────────────── */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-xl);
  margin-top: var(--space-lg);
  align-items: start;
}
.about-title {
  font-family: var(--serif);
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 400;
  line-height: 1.3;
}
.about-role {
  font-size: 12px;
  color: var(--gray);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 6px;
}
.about-body { font-size: 15px; line-height: 1.8; color: var(--black); }

/* ── Page Header (interior pages) ───────────────────────── */
.page-header {
  padding-block: var(--space-xl);
  border-bottom: 1px solid var(--rule);
}
.page-header__inner {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--side);
}

/* ── Footnotes ───────────────────────────────────────────── */
.footnotes {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}
.footnote { font-size: 12px; color: var(--gray); line-height: 1.6; margin-bottom: 6px; }

/* ── Hero split layout ───────────────────────────────────── */
.hero__inner--split {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: var(--space-xl);
  align-items: center;
  width: 100%;
}
.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.95;
}

/* ── Hero stacked layout (headline band on top, content below) ── */
.hero--stacked .hero__inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-lg);
  width: 100%;
}
.hero--stacked .hero__headline {
  max-width: none;
  margin-bottom: 0;
  font-size: clamp(46px, 8vw, 104px);
}
.hero__divide {
  width: 100%;
  height: 1px;
  background: rgba(255,255,255,0.15);
}
.hero__body {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: var(--space-xl);
  align-items: center;
  width: 100%;
}
@media (max-width: 900px) {
  .hero__body { grid-template-columns: 1fr; gap: var(--space-lg); }
}

/* ── Five Pillars header (intro text + diagram) ──────────── */
.pillars-header {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: var(--space-xl);
  align-items: start;
  margin-bottom: var(--space-lg);
}

/* ── Pillar Grid ─────────────────────────────────────────── */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid rgba(255,255,255,0.15);
  margin-top: var(--space-lg);
}
.pillar-grid__item {
  padding: var(--space-md) var(--space-md) var(--space-md) 0;
  border-right: 1px solid rgba(255,255,255,0.1);
}
.pillar-grid__item:last-child { border-right: none; }
.pillar-grid__num {
  font-family: var(--serif);
  font-size: clamp(48px, 5vw, 72px);
  font-weight: 300;
  line-height: 1;
  color: rgba(255,255,255,0.15);
  display: block;
  margin-bottom: 14px;
}
.pillar-grid__icon {
  display: block;
  margin-bottom: 20px;
  opacity: 0.9;
}
.pillar-grid__name {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #FFFFFF;
  display: block;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.pillar-grid__desc {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
}

/* ── Page fade-in ────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero__eyebrow  { animation: fadeUp 0.6s ease both; animation-delay: 0.1s; }
.hero__headline { animation: fadeUp 0.6s ease both; animation-delay: 0.2s; }
.hero__sub      { animation: fadeUp 0.6s ease both; animation-delay: 0.3s; }
.hero__note     { animation: fadeUp 0.6s ease both; animation-delay: 0.35s; }
.hero__rule     { animation: fadeUp 0.6s ease both; animation-delay: 0.4s; }
.hero__cta      { animation: fadeUp 0.6s ease both; animation-delay: 0.45s; }

/* ── Dark Section Variant ────────────────────────────────── */
.section--dark {
  background: #000000;
  color: #FFFFFF;
  border-top-color: rgba(255,255,255,0.15);
}
.section--dark .section-label { color: rgba(255,255,255,0.55); }
.section--dark .section-label::after { background: rgba(255,255,255,0.25); }
.section--dark .what-item { border-color: rgba(255,255,255,0.15); }
.section--dark .what-item__tag { color: rgba(255,255,255,0.5); border-bottom-color: rgba(255,255,255,0.15); }
.section--dark .what-item__body { color: rgba(255,255,255,0.85); }
.section--dark .pillar-item { border-bottom-color: rgba(255,255,255,0.12); }
.section--dark .pillar-item__num { color: rgba(255,255,255,0.25); }
.section--dark .pillar-item__name { color: #FFFFFF; }
.section--dark .pillar-item__desc { color: rgba(255,255,255,0.5); }
.section--dark .proof-band__grid { background: rgba(255,255,255,0.1); }
.section--dark .proof-band__item { background: #000000; }
.section--dark .proof-band__number { color: #FFFFFF; }
.section--dark .proof-band__label { color: rgba(255,255,255,0.55); }
.section--dark .btn--primary { background: #FFFFFF; color: #000000; border-color: #FFFFFF; }
.section--dark .btn--primary:hover { background: transparent; color: #FFFFFF; }
.section--dark .btn--ghost { background: transparent; color: #FFFFFF; border-color: rgba(255,255,255,0.5); }
.section--dark .btn--ghost:hover { background: #FFFFFF; color: #000000; border-color: #FFFFFF; }
.section--dark .tracks-grid { background: rgba(255,255,255,0.15); }
.section--dark .track-card { background: #000000; }
.section--dark .track-card:hover { background: #FFFFFF; color: #000000; }
.section--dark .track-card:hover .track-card__label,
.section--dark .track-card:hover .track-card__range,
.section--dark .track-card:hover .track-card__body { color: rgba(0,0,0,0.65); }
.section--dark .track-card__label { color: rgba(255,255,255,0.45); }
.section--dark .track-card__title { color: #FFFFFF; }
.section--dark .track-card__range { color: rgba(255,255,255,0.55); }
.section--dark .track-card__body { color: rgba(255,255,255,0.8); }

/* ── Dark Insight Card Variant ───────────────────────────── */
.insight-card--dark {
  background: #000000;
  color: #FFFFFF;
}
.insight-card--dark .section-label { color: rgba(255,255,255,0.5); }
.insight-card--dark .section-label::after { background: rgba(255,255,255,0.25); }
.insight-card--dark .insight-card__date { color: rgba(255,255,255,0.45); }
.insight-card--dark .insight-card__figure { color: #FFFFFF; }
.insight-card--dark .insight-card__figure-label { color: rgba(255,255,255,0.55); }
.insight-card--dark .insight-section__label { color: rgba(255,255,255,0.55); border-bottom-color: rgba(255,255,255,0.2); }
.insight-card--dark .insight-section__content { color: rgba(255,255,255,0.85); }
.insight-card--dark .insight-section__content li::before { color: rgba(255,255,255,0.4); }
.insight-card--dark .insight-card__footer { border-top-color: rgba(255,255,255,0.15); }
.insight-card--dark .insight-card__sources { color: rgba(255,255,255,0.45); }
.insight-card--dark .btn--primary { background: #FFFFFF; color: #000000; border-color: #FFFFFF; }
.insight-card--dark .btn--primary:hover { background: transparent; color: #FFFFFF; }
.insight-card--dark .comparison-chart { background: rgba(255,255,255,0.12); }
.insight-card--dark .comparison-chart__item { background: #000000; }
.insight-card--dark .comparison-chart__num { color: #FFFFFF; }
.insight-card--dark .comparison-chart__label { color: rgba(255,255,255,0.55); }
.insight-card--dark .geo-flow__item { border-bottom-color: rgba(255,255,255,0.1); }
.insight-card--dark .geo-flow__route { color: rgba(255,255,255,0.85); }
.insight-card--dark .geo-flow__delta { color: #FFFFFF; }

/* ── Insight Card Graphic Header ─────────────────────────── */
.insight-card { overflow: hidden; }
.insight-graphic {
  width: 100%;
  height: 260px;
  background: #1A1A1A;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 32px 40px;
  margin-bottom: 0;
}
.insight-graphic__bg-text {
  position: absolute;
  top: -20px;
  right: -10px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 220px;
  font-weight: 300;
  line-height: 1;
  color: rgba(255,255,255,0.04);
  user-select: none;
  pointer-events: none;
  letter-spacing: -0.05em;
}
.insight-graphic__lines {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
}
.insight-graphic__label {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  position: relative;
  z-index: 1;
}
.insight-graphic__number {
  position: absolute;
  bottom: 28px;
  right: 40px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 80px;
  font-weight: 300;
  line-height: 1;
  color: rgba(255,255,255,0.12);
  letter-spacing: -0.03em;
}
.insight-graphic--light {
  background: #F0F0F0;
}
.insight-graphic--light .insight-graphic__bg-text { color: rgba(0,0,0,0.04); }
.insight-graphic--light .insight-graphic__label { color: rgba(0,0,0,0.35); }
.insight-graphic--light .insight-graphic__number { color: rgba(0,0,0,0.08); }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  :root { --space-xl: 80px; --space-2xl: 100px; }

  .nav__links { display: none; }
  .nav__hamburger { display: flex; }

  .hero__inner--split { grid-template-columns: 1fr; }
  .hero__visual { display: none; }

  .pillars-header { grid-template-columns: 1fr; gap: var(--space-lg); }

  .pillar-grid { grid-template-columns: 1fr 1fr; }
  .pillar-grid__item:nth-child(2n) { border-right: none; }
  .pillar-grid__item { padding-right: 0; border-bottom: 1px solid rgba(255,255,255,0.1); }

  .proof-band__grid { grid-template-columns: 1fr 1fr; }

  .what-grid { grid-template-columns: 1fr; }
  .what-item { border-right: none; border-bottom: 1px solid var(--rule); }
  .what-item:last-child { border-bottom: none; }

  .tracks-grid { grid-template-columns: 1fr; }

  .diff-grid { grid-template-columns: 1fr; }
  .diff-item { border-right: none; }
  .diff-item:nth-last-child(-n+2) { border-bottom: 1px solid var(--rule); }
  .diff-item:last-child { border-bottom: none; }

  .about-inner { grid-template-columns: 1fr; gap: var(--space-md); }

  .insight-card__body { grid-template-columns: 1fr; gap: var(--space-md); }
  .comparison-chart { max-width: 100%; }

  .footer__inner { grid-template-columns: 1fr; }
  .footer__disclaimer { text-align: left; }

  .pillar-item__desc { display: none; }
}

@media (max-width: 600px) {
  :root { --space-xl: 60px; --space-2xl: 80px; }

  .proof-band__grid { grid-template-columns: 1fr 1fr; }
  .proof-band__item { padding: var(--space-md) var(--space-sm); }

  .insight-card__header { flex-direction: column; gap: var(--space-xs); }

  /* Sources and CTA stack into separate rows, divided by a rule */
  .insight-card__footer { flex-direction: column; align-items: stretch; gap: var(--space-md); }
  .insight-card__sources { max-width: 100%; }
  .insight-card__footer .btn { justify-content: center; }

  /* Keep card text off the section edges (infographic stays full-width) */
  .insight-card__content { padding-inline: var(--space-sm); }

  .conv-tracks { flex-direction: column; }
  .conv-track-btn { justify-content: center; }
}