/* ================================================================
   RIVERSIDE MEDICAL DIAGNOSTIC LABORATORY — riverside.css
   Editorial layout · Clinical blue & gold accents · Large whitespace
   ================================================================ */

/* ── Tokens ──────────────────────────────────────────────────── */
:root {
  /* Riverside brand palette — drawn from the actual brand identity */
  --riv-blue:        #1565C0;   /* Primary brand blue */
  --riv-blue-deep:   #0D47A1;   /* Darker blue for depth */
  --riv-blue-mid:    #1976D2;   /* Mid blue for accents */
  --riv-blue-lt:     #E3F2FD;   /* Light blue tint */
  --riv-gold:        #D4A025;   /* Brand gold */
  --riv-gold-lt:     #FFF8E1;   /* Light gold tint */
  --riv-ink:         #111111;
  --riv-muted:       #6b7280;
  --riv-tint:        #f7f7f5;
  --riv-white:       #ffffff;
  --riv-divider:     rgba(17, 17, 17, 0.10);
  --riv-border:      rgba(17, 17, 17, 0.08);

  --cs-space-section: 120px;
  --cs-space-sm:      48px;
  --cs-space-md:      72px;
}

/* ── Body override for case study ───────────────────────────── */
.cs-page {
  background: var(--riv-white);
  color: var(--riv-ink);
}

/* ── Shared reveal animations ───────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.72s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.72s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1.is-visible { transition-delay: 0.10s; }
.reveal-delay-2.is-visible { transition-delay: 0.20s; }
.reveal-delay-3.is-visible { transition-delay: 0.30s; }

/* ================================================================
   HERO
   ================================================================ */
.cs-hero {
  padding-top: 160px;
  padding-bottom: var(--cs-space-md);
}

.cs-hero__inner {
  max-width: 880px;
}

/* Breadcrumb */
.cs-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 56px;
}
.cs-breadcrumb__link {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--riv-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}
.cs-breadcrumb__link:hover { color: var(--riv-blue); }
.cs-breadcrumb__sep {
  color: var(--riv-muted);
  font-size: 11px;
}
.cs-breadcrumb__current {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--riv-blue);
}

/* Meta row */
.cs-hero__meta {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.cs-hero__meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.cs-hero__meta-label {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--riv-muted);
  font-family: 'Inter', sans-serif;
  font-weight: 500;
}
.cs-hero__meta-value {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--riv-ink);
}
.cs-hero__meta-divider {
  width: 1px;
  height: 32px;
  background: var(--riv-divider);
}

/* Hero title */
.cs-hero__title {
  font-family: 'IBM Plex Serif', serif;
  font-size: clamp(56px, 10vw, 112px);
  font-weight: 300;
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--riv-ink);
  margin: 0 0 32px;
}

/* Hero subtitle */
.cs-hero__subtitle {
  font-family: 'Inter', sans-serif;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 300;
  line-height: 1.65;
  color: var(--riv-muted);
  margin: 0 0 48px;
  max-width: 640px;
}

/* Hero divider */
.cs-hero__divider {
  width: 100%;
  height: 1px;
  background: var(--riv-divider);
  margin-bottom: 48px;
}

/* Hero summary */
.cs-hero__summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 800px;
}
.cs-hero__summary-text {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 400;
  line-height: 1.7;
  color: #444;
  margin: 0;
}

@media (max-width: 640px) {
  .cs-hero__summary { grid-template-columns: 1fr; }
  .cs-hero__meta { gap: 20px; }
  .cs-hero__meta-divider { display: none; }
}

/* ================================================================
   HERO IMAGE — Full width opening visual
   ================================================================ */
.riv-hero-image {
  padding-bottom: var(--cs-space-section);
  padding-top: 0;
}

.riv-hero-image__frame {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background: #f0f0ee;
}

.riv-hero-image__img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 21 / 9;
  object-position: center 35%;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.riv-hero-image__frame:hover .riv-hero-image__img {
  transform: scale(1.015);
}

.riv-hero-image__caption {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 0 0;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 400;
  color: var(--riv-muted);
}

.riv-hero-image__caption-label {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--riv-blue);
  font-weight: 500;
}

/* ================================================================
   SECTION SHARED LAYOUT
   ================================================================ */
.cs-section {
  padding: var(--cs-space-section) 0;
}
.cs-section--tinted {
  background: var(--riv-tint);
}
.cs-section--product {
  background: var(--riv-ink);
  color: var(--riv-white);
}
.cs-section--product .cs-section__headline,
.cs-section--product .cs-section__lead,
.cs-section--product .cs-section__number {
  color: var(--riv-white);
}
.cs-section--product .cs-section__divider {
  background: rgba(255,255,255,0.10);
}
.cs-section--learnings {
  background: var(--riv-white);
}

/* Section divider */
.cs-section__divider {
  width: 100%;
  height: 1px;
  background: var(--riv-divider);
  margin-bottom: 72px;
}

/* Section two-column inner */
.cs-section__inner {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 0 56px;
  align-items: start;
}

.cs-section__label-col {
  padding-top: 8px;
}

.cs-section__number {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--riv-blue);
}

.cs-section__headline {
  font-family: 'IBM Plex Serif', serif;
  font-size: clamp(36px, 5.5vw, 72px);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--riv-ink);
  margin: 0 0 40px;
  text-transform: uppercase;
}

.cs-section__lead {
  font-family: 'Inter', sans-serif;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 300;
  line-height: 1.6;
  color: var(--riv-ink);
  margin: 0 0 24px;
  max-width: 600px;
}

.cs-section__text {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 400;
  line-height: 1.75;
  color: #555;
  margin: 0 0 16px;
  max-width: 560px;
}

@media (max-width: 680px) {
  .cs-section__inner {
    grid-template-columns: 1fr;
    gap: 24px 0;
  }
}

/* ================================================================
   PAIN POINTS LIST
   ================================================================ */
.cs-pain-points {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--riv-border);
}
.cs-pain-points__label {
  display: block;
  margin-bottom: 20px;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--riv-muted);
}
.cs-pain-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.cs-pain-list__item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 400;
  color: var(--riv-ink);
  line-height: 1.5;
}
.cs-pain-list__icon {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--riv-blue);
  flex-shrink: 0;
}

/* ================================================================
   DISCOVERY — FINDING BLOCK
   ================================================================ */
.riv-finding {
  margin-top: 48px;
  border: 1px solid var(--riv-border);
  border-radius: 6px;
  overflow: hidden;
  max-width: 720px;
}

.riv-finding__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.riv-finding__left {
  padding: 36px 32px;
  background: var(--riv-white);
  border-right: 1px solid var(--riv-border);
}

.riv-finding__right {
  padding: 36px 32px;
  background: var(--riv-blue-deep);
  display: flex;
  align-items: center;
}

.riv-finding__tag {
  display: block;
  margin-bottom: 16px;
  color: var(--riv-blue);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.riv-finding__text {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
  color: #444;
  margin: 0;
}

.riv-finding__conclusion {
  font-family: 'IBM Plex Serif', serif;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 400;
  line-height: 1.4;
  color: var(--riv-white);
  font-style: italic;
  margin: 0;
}

@media (max-width: 600px) {
  .riv-finding__inner { grid-template-columns: 1fr; }
  .riv-finding__left { border-right: none; border-bottom: 1px solid var(--riv-border); }
}

/* ================================================================
   INSIGHT CARDS
   ================================================================ */
.cs-insight-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 48px;
}

.cs-insight-card {
  padding: 36px 0;
  border-top: 1px solid var(--riv-border);
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 0 32px;
  align-items: start;
  transition: background 0.2s ease;
}
.cs-insight-card:last-child {
  border-bottom: 1px solid var(--riv-border);
}
.cs-insight-card:hover {
  background: rgba(21, 101, 192, 0.03);
}

.cs-insight-card__number {
  font-family: 'IBM Plex Serif', serif;
  font-size: 36px;
  font-weight: 300;
  color: var(--riv-blue);
  line-height: 1;
  padding-top: 4px;
}

.cs-insight-card__text {
  font-family: 'Inter', sans-serif;
  font-size: clamp(15px, 1.8vw, 18px);
  font-weight: 400;
  line-height: 1.65;
  color: var(--riv-ink);
  margin: 0;
}
.cs-insight-card__text em {
  font-style: normal;
  color: var(--riv-blue);
  font-weight: 500;
}

/* ================================================================
   SOLUTION PILLARS
   ================================================================ */
.cs-pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  margin-top: 48px;
}

/* The 5th pillar spans full width */
.cs-pillar--wide {
  grid-column: 1 / -1;
}

.cs-pillar {
  padding: 40px 32px 36px;
  background: var(--riv-white);
  border: 1px solid var(--riv-border);
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.cs-pillar:hover {
  border-color: var(--riv-blue);
  transform: translateY(-4px);
}
.cs-pillar:hover .cs-pillar__accent {
  opacity: 1;
  transform: scaleX(1);
}

.cs-pillar__accent {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--riv-blue), var(--riv-gold));
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: opacity 0.3s ease, transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.cs-pillar__header {
  margin-bottom: 20px;
}
.cs-pillar__tag {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--riv-blue);
  display: block;
  margin-bottom: 12px;
}
.cs-pillar__title {
  font-family: 'IBM Plex Serif', serif;
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 400;
  line-height: 1.2;
  color: var(--riv-ink);
  margin: 0;
}
.cs-pillar__desc {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--riv-muted);
  margin: 0;
}

@media (max-width: 768px) {
  .cs-pillars { grid-template-columns: 1fr; gap: 12px; }
  .cs-pillar--wide { grid-column: 1; }
}

/* ================================================================
   GALLERY SECTION (Section 05 — dark background)
   ================================================================ */
.riv-gallery-section {
  background: #0D1B2E;
}

.riv-gallery-divider {
  background: rgba(255,255,255,0.10) !important;
}

.riv-gallery {
  margin-top: 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 16px;
}

/* Tall item — left column, spans 2 rows */
.riv-gallery__item--tall {
  grid-row: 1 / 3;
}

/* Right column — 2 stacked items */
.riv-gallery__col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Wide item — second row, full span */
.riv-gallery__item--wide {
  grid-column: 1 / -1;
}

.riv-gallery__item {
  margin: 0;
  position: relative;
}

.riv-gallery__frame {
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  background: #1a2332;
  border: 1px solid rgba(255,255,255,0.07);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4), 0 4px 12px rgba(0,0,0,0.25);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.4s ease;
}
.riv-gallery__frame:hover {
  transform: translateY(-6px);
  box-shadow: 0 32px 80px rgba(0,0,0,0.55), 0 8px 24px rgba(0,0,0,0.35);
}

.riv-gallery__img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center top;
}

/* Tall item image fills the container */
.riv-gallery__item--tall .riv-gallery__frame {
  height: 100%;
}
.riv-gallery__item--tall .riv-gallery__frame .riv-gallery__img {
  aspect-ratio: unset;
  min-height: 100%;
}

/* Wide item has a cinematic aspect ratio */
.riv-gallery__item--wide .riv-gallery__img {
  aspect-ratio: 21 / 9;
  object-position: center 35%;
}

/* Regular items in the column */
.riv-gallery__col .riv-gallery__img {
  aspect-ratio: 4 / 3;
}

.riv-gallery__caption {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 400;
  color: rgba(255,255,255,0.45);
  line-height: 1.5;
}
.riv-gallery__caption-num {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--riv-gold);
  font-weight: 500;
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .riv-gallery {
    grid-template-columns: 1fr;
  }
  .riv-gallery__item--tall {
    grid-row: auto;
  }
  .riv-gallery__item--tall .riv-gallery__frame {
    height: auto;
  }
  .riv-gallery__item--tall .riv-gallery__img {
    aspect-ratio: 3 / 2;
  }
  .riv-gallery__item--wide {
    grid-column: 1;
  }
  .riv-gallery__item--wide .riv-gallery__img {
    aspect-ratio: 3 / 2;
    object-position: center;
  }
}

/* ================================================================
   BUSINESS IMPACT — METRICS
   ================================================================ */
.riv-metrics {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-top: 48px;
  max-width: 640px;
  border: 1px solid var(--riv-border);
  border-radius: 6px;
  overflow: hidden;
}

.riv-metric {
  flex: 1;
  padding: 40px 36px;
  background: var(--riv-white);
}

.riv-metric__divider {
  width: 1px;
  background: var(--riv-border);
  flex-shrink: 0;
}

.riv-metric__value {
  font-family: 'IBM Plex Serif', serif;
  font-size: clamp(48px, 6vw, 72px);
  font-weight: 300;
  line-height: 1;
  color: var(--riv-blue);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.riv-metric__label {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--riv-ink);
  margin-bottom: 8px;
  line-height: 1.4;
}

.riv-metric__sub {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 400;
  color: var(--riv-muted);
  line-height: 1.5;
}

@media (max-width: 560px) {
  .riv-metrics {
    flex-direction: column;
    max-width: 100%;
  }
  .riv-metric__divider {
    width: 100%;
    height: 1px;
  }
  .riv-metric { padding: 28px 24px; }
}

/* ================================================================
   IMPACT CARDS (secondary outcomes)
   ================================================================ */
.cs-impact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 48px;
  background: var(--riv-border);
  border: 1px solid var(--riv-border);
  border-radius: 4px;
  overflow: hidden;
}

.riv-impact-grid {
  max-width: 640px;
}

.cs-impact-card {
  padding: 40px 36px;
  background: var(--riv-tint);
  position: relative;
  transition: background 0.2s ease;
}
.cs-impact-card:hover {
  background: var(--riv-white);
}
.cs-impact-card:hover .cs-impact-card__accent {
  transform: scaleY(1);
}

.cs-impact-card__accent {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--riv-blue), var(--riv-gold));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.cs-impact-card__text {
  font-family: 'IBM Plex Serif', serif;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 300;
  line-height: 1.35;
  color: var(--riv-ink);
  margin: 0;
}

@media (max-width: 560px) {
  .cs-impact-grid { grid-template-columns: 1fr; }
}

/* ================================================================
   KEY LEARNINGS — QUOTE & LEARNING BLOCK
   ================================================================ */
.cs-learning-quote {
  border-left: 3px solid var(--riv-blue);
  padding-left: 32px;
  margin: 0 0 32px;
  max-width: 640px;
}
.cs-learning-quote p {
  font-family: 'IBM Plex Serif', serif;
  font-size: clamp(22px, 3.5vw, 40px);
  font-weight: 300;
  line-height: 1.35;
  color: var(--riv-ink);
  font-style: italic;
  margin: 0;
}

.riv-learning-block {
  margin-top: 40px;
  padding: 32px;
  border: 1px solid var(--riv-border);
  border-radius: 6px;
  max-width: 640px;
  position: relative;
  overflow: hidden;
}

.riv-learning-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--riv-blue), var(--riv-gold));
}

.riv-learning-block__label {
  display: block;
  margin-bottom: 16px;
  color: var(--riv-blue);
  font-size: 10px;
  letter-spacing: 0.12em;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  text-transform: uppercase;
}

.riv-learning-block__text {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 400;
  line-height: 1.75;
  color: #555;
  margin: 0;
}

/* ================================================================
   NEXT PROJECT NAVIGATION
   ================================================================ */
.cs-next-projects {
  padding: var(--cs-space-section) 0;
  background: var(--riv-white);
}

.cs-next-projects__header {
  margin-bottom: 48px;
}
.cs-next-projects__header .label {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--riv-muted);
}

.cs-next-projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--riv-border);
  border: 1px solid var(--riv-border);
  border-radius: 4px;
  overflow: hidden;
}

.cs-next-card {
  display: flex;
  flex-direction: column;
  padding: 40px 36px;
  background: var(--riv-white);
  text-decoration: none;
  color: var(--riv-ink);
  position: relative;
  overflow: hidden;
  transition: background 0.25s ease, transform 0.25s ease;
}
.cs-next-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--riv-blue), var(--riv-gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.cs-next-card:hover {
  background: var(--riv-tint);
}
.cs-next-card:hover::after {
  transform: scaleX(1);
}
.cs-next-card:hover .cs-next-card__arrow {
  transform: translateX(6px);
}

.cs-next-card__number {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--riv-blue);
  margin-bottom: 16px;
  display: block;
}

.cs-next-card__title {
  font-family: 'IBM Plex Serif', serif;
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 300;
  line-height: 1.2;
  color: var(--riv-ink);
  margin: 0 0 12px;
}

.cs-next-card__role {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--riv-muted);
  text-transform: uppercase;
  margin-top: auto;
  padding-top: 24px;
}

.cs-next-card__arrow {
  position: absolute;
  bottom: 36px;
  right: 32px;
  color: var(--riv-ink);
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
  display: flex;
}
.cs-next-card__arrow svg {
  width: 18px;
  height: 18px;
}

@media (max-width: 768px) {
  .cs-next-projects__grid { grid-template-columns: 1fr; }
}

/* ================================================================
   RESPONSIVE ADJUSTMENTS
   ================================================================ */
@media (max-width: 1024px) {
  :root {
    --cs-space-section: 88px;
    --cs-space-md: 56px;
  }
  .cs-hero { padding-top: 128px; }
  .cs-hero__title { font-size: clamp(48px, 9vw, 80px); }
}

@media (max-width: 768px) {
  :root {
    --cs-space-section: 72px;
  }
  .cs-hero { padding-top: 112px; }
  .cs-hero__title { font-size: clamp(40px, 10vw, 64px); }
  .cs-section__inner {
    grid-template-columns: 1fr;
    gap: 20px 0;
  }
  .cs-pillar { padding: 32px 24px; }
  .cs-impact-card { padding: 32px 24px; }
  .cs-next-card { padding: 32px 28px; }
  .riv-hero-image__img { aspect-ratio: 4 / 3; }
}

@media (max-width: 480px) {
  .cs-hero { padding-top: 96px; }
  .cs-learning-quote { padding-left: 20px; }
  .riv-learning-block { padding: 24px 20px; }
}