/* ============================================================
   PIEZA50 — Sections CSS
   New long-form page sections below the hero.
   ============================================================ */

/* ── Extra color tokens ──────────────────────────────────── */
:root {
  --forest:      #2A3830;
  --pale-sage:   #EEF5EA;
  --pale-yellow: #FFFBEA;
  --moss:        #3A4F42;
}

/* ── Scroll reveal ───────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 750ms ease, transform 750ms cubic-bezier(0.22,1,0.36,1);
}
.reveal.revealed {
  opacity: 1;
  transform: none;
}

/* ── Shared eyebrow labels ───────────────────────────────── */
.eyebrow-light {
  font-size: 0.58rem; font-weight: 600; letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(252,251,246,0.42);
  display: block; margin-bottom: 20px;
}
.eyebrow-gold {
  font-size: 0.58rem; font-weight: 600; letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  display: block; margin-bottom: 20px;
}
.eyebrow-dark {
  font-size: 0.58rem; font-weight: 600; letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
  display: block; margin-bottom: 20px;
}

/* ============================================================
   SECTION: THE PROBLEM  (dark charcoal bg)
   ============================================================ */
.s-problem {
  background: var(--dark);
  padding: 100px var(--px);
}
.s-problem-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.s-problem-statement {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  font-weight: 300; line-height: 1.15;
  color: var(--cream);
  letter-spacing: -0.01em;
  margin-top: 8px;
}
.s-problem-list {
  list-style: none;
  margin-bottom: 48px;
}
.s-problem-list li {
  font-size: 1rem; line-height: 1.7;
  color: var(--cream); opacity: 0.58;
  padding: 14px 0;
  border-bottom: 1px solid rgba(252,251,246,0.08);
  transition-delay: calc(var(--li, 0) * 80ms);
}
.s-problem-list li:first-child { border-top: 1px solid rgba(252,251,246,0.08); }
.s-problem-insight {
  padding-top: 36px;
}
.s-problem-insight p {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 300;
  color: var(--cream); opacity: 0.65;
  line-height: 1.5;
}
.s-problem-emphasis {
  font-style: italic;
  opacity: 1 !important;
  color: var(--gold) !important;
  margin-top: 8px;
}

/* ============================================================
   SECTION: WHAT WE SOLVE  (ivory bg)
   ============================================================ */
.s-solve {
  background: var(--white);
  padding: 100px var(--px);
}
.s-solve-inner { max-width: var(--max-w); margin: 0 auto; }
.s-solve-header { margin-bottom: 56px; }
.s-solve-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 300; color: var(--dark);
  letter-spacing: -0.01em;
}
.s-solve-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}
.solve-item {
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 40px;
  display: flex;
  gap: 28px;
  transition: background 0.3s ease;
}
.solve-item:hover { background: var(--pale-sage); }
.solve-num {
  font-size: 0.58rem; font-weight: 600; letter-spacing: 0.22em;
  color: var(--gold); flex-shrink: 0; padding-top: 4px;
}
.solve-name {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em;
  color: var(--dark); margin-bottom: 10px;
}
.solve-q {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 1.8vw, 1.45rem);
  font-weight: 400; font-style: italic;
  color: var(--dark); line-height: 1.3;
  margin-bottom: 14px;
}
.solve-desc {
  font-size: 0.85rem; line-height: 1.75;
  color: var(--dark2); opacity: 0.68;
}

/* ============================================================
   SECTION: OUR APPROACH  (pale sage bg)
   ============================================================ */
.s-approach {
  background: var(--pale-sage);
  padding: 100px var(--px);
  border-top: 1px solid rgba(0,0,0,0.06);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.s-approach-inner { max-width: var(--max-w); margin: 0 auto; }
.s-approach-header { margin-bottom: 64px; }
.s-approach-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 300; color: var(--dark);
  letter-spacing: -0.01em; max-width: 600px;
}
.approach-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.approach-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.step-num {
  font-family: var(--font-serif);
  font-size: 4rem; font-weight: 300;
  color: var(--dark); line-height: 1;
  letter-spacing: -0.03em;
  opacity: 0.25;
}
.step-name {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.20em;
  color: var(--dark); margin-bottom: 8px;
}
.step-desc {
  font-size: 0.85rem; line-height: 1.75;
  color: var(--dark2); opacity: 0.72;
  max-width: 200px;
}
.step-connector {
  flex: 0 0 32px;
  display: flex; align-items: flex-start;
  padding-top: 28px;
  justify-content: center;
}
.step-connector::after {
  content: '';
  display: block;
  width: 24px; height: 1px;
  background: var(--dark2);
  opacity: 0.25;
}

/* ============================================================
   SECTION: THE BEHAVIORAL LENS  (dark charcoal bg)
   ============================================================ */
.s-lens {
  background: var(--dark);
  padding: 100px var(--px);
}
.s-lens-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 80px;
  align-items: center;
}
.s-lens-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 300; color: var(--cream);
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}
.s-lens-body {
  font-size: 0.92rem; line-height: 1.78;
  color: var(--cream); opacity: 0.55;
}
.lens-cloud {
  display: flex; flex-wrap: wrap;
  gap: 10px 16px;
  align-items: baseline;
}
.lc {
  font-family: var(--font-serif);
  color: var(--cream);
  transition: opacity 0.3s ease;
  cursor: default;
}
.lc-xl { font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 300; }
.lc-lg { font-size: clamp(1.4rem, 2.2vw, 2rem); font-weight: 300; opacity: 0.75; }
.lc-md { font-size: clamp(1rem, 1.6vw, 1.4rem); font-weight: 300; opacity: 0.55; }
.lc-sm { font-size: clamp(0.78rem, 1.1vw, 1rem); font-weight: 300; }
.lc-dim { opacity: 0.28; }
.lc-accent { color: var(--sage-lt); }
.lc:hover { opacity: 1 !important; }

/* ============================================================
   SECTION: FROM INSIGHT TO INTERVENTION  (forest bg)
   ============================================================ */
.s-transform {
  background: var(--forest);
  padding: 100px var(--px);
}
.s-transform-inner {
  max-width: var(--max-w); margin: 0 auto;
}
.s-transform-header { margin-bottom: 64px; }
.s-transform-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 300; color: var(--cream);
  letter-spacing: -0.01em; margin-bottom: 14px;
}
.s-transform-sub {
  font-size: 0.95rem; line-height: 1.7;
  color: var(--cream); opacity: 0.5;
  max-width: 480px;
}
.transform-chain {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 72px;
  padding-left: 2px;
}
.tc-step {
  font-size: 0.65rem; font-weight: 600; letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cream); opacity: 0.45;
  padding: 10px 16px;
  border: 1px solid rgba(252,251,246,0.12);
  border-radius: 2px;
  transition: opacity 0.3s;
}
.tc-outcome {
  opacity: 0.9;
  border-color: var(--gold);
  color: var(--gold);
}
.tc-arrow {
  font-size: 1rem;
  color: rgba(252,251,246,0.18);
  line-height: 1;
  padding: 4px 16px;
}
.transform-example {
  border-top: 1px solid rgba(252,251,246,0.10);
  padding-top: 48px;
}
.te-tag {
  font-size: 0.58rem; font-weight: 500; letter-spacing: 0.22em;
  color: rgba(252,251,246,0.30);
  text-transform: uppercase;
  margin-bottom: 32px;
  font-style: normal;
}
.te-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(252,251,246,0.08);
  border: 1px solid rgba(252,251,246,0.08);
  border-radius: 2px;
  overflow: hidden;
}
.te-col {
  background: var(--forest);
  padding: 32px 28px;
  transition: background 0.3s ease;
}
.te-col:hover { background: var(--moss); }
.te-step {
  display: block;
  font-size: 0.58rem; font-weight: 600; letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.te-text {
  font-size: 0.85rem; line-height: 1.72;
  color: var(--cream); opacity: 0.55;
}

/* ============================================================
   SECTION: WHERE WE WORK  (ivory bg)
   ============================================================ */
.s-domains {
  background: var(--white);
  padding: 100px var(--px);
  border-top: 1px solid var(--border);
}
.s-domains-inner { max-width: var(--max-w); margin: 0 auto; }
.s-domains-header { margin-bottom: 56px; }
.s-domains-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 300; color: var(--dark);
  letter-spacing: -0.01em;
}
.domains-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}
.domain-item {
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 44px 36px;
  transition: background 0.3s ease;
  position: relative;
}
.domain-item:hover { background: var(--pale-yellow); }
.domain-n {
  display: block;
  font-size: 0.55rem; font-weight: 600; letter-spacing: 0.22em;
  color: var(--gold); margin-bottom: 16px;
}
.domain-name {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em;
  color: var(--dark); margin-bottom: 12px;
}
.domain-desc {
  font-size: 0.87rem; line-height: 1.72;
  color: var(--dark2); opacity: 0.65;
}

/* ============================================================
   SECTION: WHY THIS APPROACH  (dark charcoal bg)
   ============================================================ */
.s-why {
  background: var(--dark);
  padding: 100px var(--px);
}
.s-why-inner { max-width: var(--max-w); margin: 0 auto; }
.s-why-header { margin-bottom: 64px; max-width: 640px; }
.s-why-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 300; color: var(--cream);
  letter-spacing: -0.01em;
}
.s-why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
.why-item { display: flex; flex-direction: column; gap: 16px; }
.why-rule {
  width: 32px; height: 2px;
  background: var(--gold); border-radius: 1px;
}
.why-heading {
  font-family: var(--font-serif);
  font-size: 1.3rem; font-weight: 400;
  color: var(--cream);
}
.why-body {
  font-size: 0.87rem; line-height: 1.78;
  color: var(--cream); opacity: 0.52;
}

/* ============================================================
   SECTION: ABOUT  (ivory bg)
   ============================================================ */
.s-about {
  background: var(--white);
  padding: 100px var(--px);
  border-top: 1px solid var(--border);
}
.s-about-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 80px;
  align-items: start;
}
.s-about-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 300; color: var(--dark);
  letter-spacing: -0.01em; line-height: 1.1;
  margin-bottom: 28px;
}
.s-about-body {
  font-size: 0.95rem; line-height: 1.8;
  color: var(--dark2); opacity: 0.7;
  margin-bottom: 20px; max-width: 480px;
}
.s-about-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--dark);
  border-bottom: 1.5px solid var(--dark);
  padding-bottom: 3px; margin-top: 12px;
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s;
}
.s-about-link:hover { color: var(--gold); border-color: var(--gold); }
.about-pillars {
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.ap-item {
  padding: 24px 28px;
  display: flex; flex-direction: column; gap: 6px;
}
.ap-label {
  font-size: 0.6rem; font-weight: 600; letter-spacing: 0.20em;
  text-transform: uppercase; color: var(--dark);
}
.ap-desc {
  font-size: 0.82rem; line-height: 1.5;
  color: var(--dark2); opacity: 0.6;
}
.ap-divider {
  height: 1px; background: var(--border);
}

/* ============================================================
   SECTION: FINAL CTA  (forest bg)
   ============================================================ */
.s-cta {
  background: var(--forest);
  padding: 120px var(--px);
  text-align: center;
}
.s-cta-inner {
  max-width: 680px; margin: 0 auto;
  display: flex; flex-direction: column; align-items: center;
}
.s-cta-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.5vw, 4rem);
  font-weight: 300; color: var(--cream);
  letter-spacing: -0.01em; line-height: 1.12;
  margin-bottom: 20px;
}
.s-cta-body {
  font-size: 1rem; line-height: 1.7;
  color: var(--cream); opacity: 0.5;
  max-width: 420px; margin-bottom: 44px;
}
.s-cta-btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--gold); color: var(--dark);
  padding: 18px 36px; border-radius: 100px;
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}
.s-cta-btn:hover { background: var(--gold-lt); transform: translateY(-1px); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .s-problem-inner { grid-template-columns: 1fr; gap: 48px; }
  .s-lens-inner { grid-template-columns: 1fr; gap: 48px; }
  .s-about-inner { grid-template-columns: 1fr; gap: 48px; }
  .te-grid { grid-template-columns: repeat(2, 1fr); }
  .domains-grid { grid-template-columns: repeat(2, 1fr); }
  .approach-steps { flex-direction: column; gap: 32px; }
  .step-connector { display: none; }
  .step-desc { max-width: 100%; }
}

@media (max-width: 768px) {
  .s-solve-grid { grid-template-columns: 1fr; }
  .domains-grid { grid-template-columns: 1fr; }
  .s-why-grid { grid-template-columns: 1fr; gap: 40px; }
  .te-grid { grid-template-columns: 1fr; }
  .s-lens-inner { grid-template-columns: 1fr; }
  .solve-item { padding: 32px 24px; }
  .domain-item { padding: 32px 24px; }
}