/* ============================================================
   Case Study Premium Template
   Stage 4f: CTA design + mobile responsive audit + final polish
   Version: 0.3.3
   Changes from 0.3.2:
   - CTA section: bold brand-blue background, confident-close treatment
   - Comprehensive mobile audit and refinements
   - Print stylesheet for case studies (basic)
   - Accessibility improvements (focus states, hover states)
   ============================================================ */

/* ============================================================
   Design tokens
   ============================================================ */
:root {
  --cs-premium-blue: #1E39DF;
  --cs-premium-blue-dark: #1530B5;
  --cs-premium-blue-soft: #F4F6FF;
  --cs-premium-text: #1A1A2E;
  --cs-premium-text-muted: #5A5A78;
  --cs-premium-border: #E5E7F0;
  --cs-premium-bg: #FFFFFF;
  --cs-premium-bg-soft: #FAFBFD;

  /* Service pill colours */
  --cs-premium-pill-seo-bg: #1E39DF;
  --cs-premium-pill-seo-text: #FFFFFF;
  --cs-premium-pill-ppc-bg: #FF6B35;
  --cs-premium-pill-ppc-text: #FFFFFF;
  --cs-premium-pill-affiliates-bg: #8B3FE3;
  --cs-premium-pill-affiliates-text: #FFFFFF;

  /* Warning palette */
  --cs-premium-warn-bg: #FFF8E6;
  --cs-premium-warn-border: #D97706;
  --cs-premium-warn-text: #92400E;
  --cs-premium-warn-text-muted: #B97316;

  /* Spacing scale */
  --cs-premium-space-xs: 0.5rem;
  --cs-premium-space-sm: 1rem;
  --cs-premium-space-md: 2rem;
  --cs-premium-space-lg: 4rem;
  --cs-premium-space-xl: 6rem;

  /* Focus ring */
  --cs-premium-focus-ring: 0 0 0 3px rgba(30, 57, 223, 0.35);
}

/* ============================================================
   Container & wrapper
   ============================================================ */
.case-study-premium {
  color: var(--cs-premium-text);
  background: var(--cs-premium-bg);
  font-family: inherit;
  line-height: 1.5;
}

.case-study-premium .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Accessible focus states for all interactive elements within the premium template */
.case-study-premium a:focus-visible,
.case-study-premium button:focus-visible {
  outline: none;
  box-shadow: var(--cs-premium-focus-ring);
}

/* ============================================================
   Reusable section header pattern
   ============================================================ */
.cs-premium-section__header {
  margin-bottom: var(--cs-premium-space-md);
}

.cs-premium-section__label {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cs-premium-blue);
  margin-bottom: 1rem;
}

.cs-premium-section__label::before {
  content: "";
  display: inline-block;
  width: 2.5rem;
  height: 2px;
  background: var(--cs-premium-blue);
}

.cs-premium-section__title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.15;
  margin: 0;
  color: var(--cs-premium-text);
  max-width: 28ch;
}

.cs-premium-section__intro {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--cs-premium-text-muted);
  max-width: 75ch;
  margin: 1rem 0 0;
}

/* ============================================================
   HERO
   ============================================================ */
.cs-premium-hero {
  padding: var(--cs-premium-space-lg) 0 var(--cs-premium-space-xl);
  border-bottom: 1px solid var(--cs-premium-border);
}

.cs-premium-hero__brand {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--cs-premium-border);
}

.cs-premium-hero__logo {
  max-width: 200px;
  width: 100%;
  height: auto;
  display: block;
}

.cs-premium-hero__client-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--cs-premium-text);
  letter-spacing: -0.01em;
}

.cs-premium-hero__content {
  max-width: 95ch;
  margin-bottom: var(--cs-premium-space-lg);
}

.cs-premium-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1.25rem;
}

.cs-premium-hero__service-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.875rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 99px;
  background: var(--cs-premium-pill-affiliates-bg);
  color: var(--cs-premium-pill-affiliates-text);
}

.cs-premium-hero__service-pill--seo {
  background: var(--cs-premium-pill-seo-bg);
  color: var(--cs-premium-pill-seo-text);
}

.cs-premium-hero__service-pill--ppc {
  background: var(--cs-premium-pill-ppc-bg);
  color: var(--cs-premium-pill-ppc-text);
}

.cs-premium-hero__service-pill--affiliates {
  background: var(--cs-premium-pill-affiliates-bg);
  color: var(--cs-premium-pill-affiliates-text);
}

.cs-premium-hero__sector {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cs-premium-text-muted);
  letter-spacing: 0.02em;
}

.cs-premium-hero__title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 1.5rem 0;
  color: var(--cs-premium-text);
  max-width: 22ch;
}

.cs-premium-hero__hook {
  font-size: 1.25rem;
  line-height: 1.55;
  color: var(--cs-premium-text-muted);
  margin: 0;
  max-width: 75ch;
}

.cs-premium-hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--cs-premium-space-md);
  margin-top: var(--cs-premium-space-md);
  padding-top: var(--cs-premium-space-md);
  border-top: 1px solid var(--cs-premium-border);
}

.cs-premium-hero__metric {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.cs-premium-hero__metric-value {
  font-size: clamp(2.5rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1;
  color: var(--cs-premium-blue);
  letter-spacing: -0.02em;
}

.cs-premium-hero__metric-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--cs-premium-text);
  margin-top: 0.5rem;
}

.cs-premium-hero__metric-context {
  font-size: 0.875rem;
  color: var(--cs-premium-text-muted);
  margin-top: 0.125rem;
}

/* ============================================================
   PROBLEM
   ============================================================ */
.cs-premium-problem {
  padding: var(--cs-premium-space-xl) 0;
}

.cs-premium-problem .cs-premium-section__body {
  max-width: 95ch;
  margin-bottom: var(--cs-premium-space-lg);
}

.cs-premium-problem .cs-premium-block--paragraph {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--cs-premium-text);
  max-width: 75ch;
}

.cs-premium-problem .cs-premium-block--paragraph p {
  margin: 0 0 1.25rem 0;
}

.cs-premium-problem .cs-premium-block--paragraph p:last-child {
  margin-bottom: 0;
}

/* Pull-quote and callout (used inline in body) */
.cs-premium-block--callout {
  background: var(--cs-premium-blue-soft);
  border-left: 3px solid var(--cs-premium-blue);
  padding: 1.5rem;
  margin: 2rem 0;
  border-radius: 4px;
}

.cs-premium-block--callout h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0 0 0.5rem 0;
  color: var(--cs-premium-blue);
}

.cs-premium-block--callout p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--cs-premium-text);
}

.cs-premium-block--pullquote {
  border: none;
  margin: 2.5rem 0;
  padding: 0 0 0 2rem;
  border-left: 4px solid var(--cs-premium-blue);
}

.cs-premium-block--pullquote p {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--cs-premium-text);
  margin: 0 0 0.75rem 0;
}

.cs-premium-block--pullquote cite {
  display: block;
  font-style: normal;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cs-premium-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cs-premium-block--image {
  margin: 2rem 0;
}

.cs-premium-block--image img {
  width: 100%;
  height: auto;
  border-radius: 6px;
}

.cs-premium-block--image figcaption {
  font-size: 0.875rem;
  color: var(--cs-premium-text-muted);
  margin-top: 0.5rem;
  text-align: center;
}

/* Warning metrics — horizontal banner */
.cs-premium-warning-metrics {
  background: var(--cs-premium-warn-bg);
  border-left: 4px solid var(--cs-premium-warn-border);
  border-radius: 6px;
  padding: var(--cs-premium-space-md);
  margin: 0 0 var(--cs-premium-space-xl) 0;
  position: relative;
}

.cs-premium-warning-metrics__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cs-premium-warn-text-muted);
  margin: 0 0 1.25rem 0;
  display: block;
}

.cs-premium-warning-metrics__row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--cs-premium-space-md);
  align-items: end;
}

.cs-premium-warning-metric {
  background: transparent;
  border: none;
  padding: 0;
  border-radius: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
}

.cs-premium-warning-metric:not(:last-child)::after {
  content: "";
  position: absolute;
  right: calc(var(--cs-premium-space-md) / -2);
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--cs-premium-warn-border);
  opacity: 0.2;
}

.cs-premium-warning-metric__value {
  font-size: clamp(2.25rem, 3.5vw, 3rem);
  font-weight: 800;
  line-height: 1;
  color: var(--cs-premium-warn-text);
  letter-spacing: -0.02em;
}

.cs-premium-warning-metric__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cs-premium-warn-text-muted);
  margin: 0;
  line-height: 1.3;
}

/* Issues identified — numbered stacked list */
.cs-premium-issues {
  margin-top: 0;
}

.cs-premium-issues__heading {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--cs-premium-text-muted);
  margin: 0 0 1.5rem 0;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.cs-premium-issues__heading::before {
  content: "";
  display: inline-block;
  width: 2.5rem;
  height: 2px;
  background: var(--cs-premium-text-muted);
}

.cs-premium-issues__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  counter-reset: issue-counter;
  max-width: 95ch;
}

.cs-premium-issues__item {
  position: relative;
  padding: 1.5rem 0 1.5rem 4.5rem;
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--cs-premium-text);
  border-bottom: 1px solid var(--cs-premium-border);
  counter-increment: issue-counter;
}

.cs-premium-issues__item::before {
  content: counter(issue-counter, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.5rem;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--cs-premium-warn-border);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.cs-premium-issues__item:first-child {
  padding-top: 1.25rem;
}

.cs-premium-issues__item:first-child::before {
  top: 1.25rem;
}

.cs-premium-issues__item:last-child {
  border-bottom: none;
}

/* ============================================================
   STRATEGY
   ============================================================ */
.cs-premium-strategy {
  padding: var(--cs-premium-space-xl) 0;
}

.cs-premium-strategy .cs-premium-section__body {
  max-width: 95ch;
}

.cs-premium-strategy .cs-premium-block--paragraph {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--cs-premium-text);
  max-width: 75ch;
}

.cs-premium-strategy .cs-premium-block--paragraph p {
  margin: 0 0 1.5rem 0;
}

.cs-premium-strategy .cs-premium-block--paragraph p:last-child {
  margin-bottom: 0;
}

.cs-premium-strategy .cs-premium-block--paragraph strong {
  color: var(--cs-premium-blue);
  font-weight: 700;
  letter-spacing: -0.005em;
}

/* ============================================================
   IMPLEMENTATION
   ============================================================ */
.cs-premium-implementation {
  padding: var(--cs-premium-space-xl) 0;
  background: var(--cs-premium-bg-soft);
}

.cs-premium-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--cs-premium-space-md);
  margin-top: var(--cs-premium-space-lg);
}

.cs-premium-pillar {
  background: var(--cs-premium-bg);
  border-radius: 8px;
  padding: 0;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--cs-premium-border);
  flex: none;
}

.cs-premium-pillar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--cs-premium-blue);
}

.cs-premium-pillar__inner {
  padding: 2rem 2rem 2.25rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  gap: 1.25rem;
}

.cs-premium-pillar__number {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 0.375rem 0.875rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 99px;
  background: var(--cs-premium-blue-soft);
  color: var(--cs-premium-blue);
  font-variant-numeric: tabular-nums;
  margin-bottom: 0.5rem;
}

.cs-premium-pillar__title {
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--cs-premium-text);
  margin: 0;
  letter-spacing: -0.01em;
}

.cs-premium-pillar__body {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--cs-premium-text-muted);
  margin: 0;
  flex: 1;
}

/* ============================================================
   RESULTS
   ============================================================ */
.cs-premium-results {
  padding: var(--cs-premium-space-xl) 0;
}

.cs-premium-results .cs-premium-section__header {
  margin-bottom: var(--cs-premium-space-lg);
}

.cs-premium-results .cs-premium-section__intro {
  margin-top: 1.25rem;
}

.cs-premium-results-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 0 0 var(--cs-premium-space-xl) 0;
}

.cs-premium-results-metric {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.75rem 1.5rem;
  background: var(--cs-premium-bg);
  border: 1px solid var(--cs-premium-border);
  border-radius: 8px;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cs-premium-results-metric:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(30, 57, 223, 0.08);
}

.cs-premium-results-metric__value {
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1;
  color: var(--cs-premium-blue);
  letter-spacing: -0.02em;
}

.cs-premium-results-metric__label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--cs-premium-text);
  margin-top: 0.5rem;
  line-height: 1.3;
}

.cs-premium-results-metric__context {
  font-size: 0.8125rem;
  color: var(--cs-premium-text-muted);
  margin-top: 0.125rem;
  line-height: 1.4;
}

.cs-premium-chart-block {
  margin: 0 0 var(--cs-premium-space-lg) 0;
  background: var(--cs-premium-bg);
  border: 1px solid var(--cs-premium-border);
  border-radius: 8px;
  padding: 2.5rem 2.5rem 2rem;
}

.cs-premium-chart-block__headline {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--cs-premium-text);
  margin: 0 0 0.5rem 0;
  letter-spacing: -0.01em;
  max-width: 38ch;
}

.cs-premium-chart {
  margin: 1.5rem 0;
  position: relative;
}

.cs-premium-chart__title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cs-premium-text-muted);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0 0 1.5rem 0;
}

.cs-premium-chart__canvas {
  width: 100% !important;
  height: 420px !important;
  display: block;
}

.cs-premium-chart__fallback-table {
  width: 100%;
  max-width: 600px;
  border-collapse: collapse;
  margin: 1.5rem 0 0;
  font-size: 0.9375rem;
}

.cs-premium-chart__fallback-table th,
.cs-premium-chart__fallback-table td {
  padding: 0.625rem 1rem;
  border: 1px solid var(--cs-premium-border);
  text-align: left;
}

.cs-premium-chart__fallback-table th {
  background: var(--cs-premium-bg-soft);
  font-weight: 700;
  color: var(--cs-premium-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.75rem;
}

.cs-premium-chart.is-rendered .cs-premium-chart__fallback-table {
  display: none;
}

.cs-premium-chart-block__description {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--cs-premium-text);
  margin: 2rem 0 0 0;
  padding-top: 1.75rem;
  border-top: 1px solid var(--cs-premium-border);
  max-width: 75ch;
  font-weight: 400;
}

/* Cumulative summary */
.cs-premium-cumulative {
  margin-top: var(--cs-premium-space-md);
  padding-top: var(--cs-premium-space-md);
  border-top: 1px solid var(--cs-premium-border);
}

.cs-premium-cumulative__heading {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--cs-premium-text-muted);
  margin: 0 0 1.25rem 0;
}

.cs-premium-cumulative__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.cs-premium-cumulative__item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.cs-premium-cumulative__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cs-premium-text-muted);
  margin: 0;
}

.cs-premium-cumulative__value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cs-premium-blue);
  margin: 0;
  letter-spacing: -0.01em;
}

/* ============================================================
   Number counter animation states
   ============================================================ */
[data-cs-animate] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-cs-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   CTA — confident close (NEW in v0.3.3)
   ============================================================ */
.cs-premium-cta {
  background: var(--cs-premium-blue);
  background-image: linear-gradient(135deg, #1E39DF 0%, #2D4AE8 100%);
  color: #FFFFFF;
  padding: var(--cs-premium-space-xl) 0;
  position: relative;
  overflow: hidden;
}

/* Subtle decorative background pattern */
.cs-premium-cta::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(30%, -30%);
  pointer-events: none;
}

.cs-premium-cta::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-30%, 30%);
  pointer-events: none;
}

.cs-premium-cta__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cs-premium-cta__headline {
  font-size: clamp(1.875rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: #FFFFFF;
  margin: 0 0 1.25rem 0;
}

.cs-premium-cta__subcopy {
  font-size: 1.125rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  margin: 0 0 2rem 0;
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
}

.cs-premium-cta__button {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 1rem 2.25rem;
  background: #FFFFFF;
  color: var(--cs-premium-blue) !important;
  text-decoration: none !important;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.005em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.cs-premium-cta__button::after {
  content: "→";
  font-size: 1.125rem;
  transition: transform 0.2s ease;
}

.cs-premium-cta__button:hover {
  background: #F4F6FF;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.cs-premium-cta__button:hover::after {
  transform: translateX(4px);
}

.cs-premium-cta__button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.5);
}

/* ============================================================
   Responsive — tablet (768px and below)
   ============================================================ */
@media (max-width: 768px) {
  .case-study-premium .container {
    padding: 0 1.25rem;
  }

  /* Hero — mobile adjustments */
  .cs-premium-hero {
    padding: var(--cs-premium-space-md) 0 var(--cs-premium-space-lg);
  }

  .cs-premium-hero__brand {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
  }

  .cs-premium-hero__logo {
    max-width: 140px;
  }

  .cs-premium-hero__client-name {
    font-size: 1.0625rem;
  }

  .cs-premium-hero__title {
    max-width: none;
  }

  .cs-premium-hero__hook {
    font-size: 1.125rem;
  }

  .cs-premium-hero__metrics {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  /* Section padding scales down */
  .cs-premium-problem,
  .cs-premium-strategy,
  .cs-premium-implementation,
  .cs-premium-results,
  .cs-premium-cta {
    padding: var(--cs-premium-space-lg) 0;
  }

  .cs-premium-section__title {
    font-size: 1.875rem;
  }

  /* Problem — warning metrics 2-col */
  .cs-premium-warning-metrics {
    padding: 1.5rem 1.25rem;
  }

  .cs-premium-warning-metrics__row {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .cs-premium-warning-metric:not(:last-child)::after {
    display: none;
  }

  .cs-premium-warning-metric__value {
    font-size: 2rem;
  }

  /* Issues list — full width single column */
  .cs-premium-issues__item {
    padding-left: 3.5rem;
    font-size: 1rem;
  }

  .cs-premium-issues__item::before {
    font-size: 1.25rem;
  }

  /* Strategy + Problem body sizing on mobile */
  .cs-premium-problem .cs-premium-block--paragraph,
  .cs-premium-strategy .cs-premium-block--paragraph {
    font-size: 1rem;
    line-height: 1.7;
  }

  /* Implementation pillars stack */
  .cs-premium-pillars {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .cs-premium-pillar__inner {
    padding: 1.75rem 1.5rem;
  }

  .cs-premium-pillar__title {
    font-size: 1.25rem;
  }

  /* Results metrics 2-col on mobile */
  .cs-premium-results-metrics {
    grid-template-columns: 1fr 1fr;
  }

  .cs-premium-results-metric {
    padding: 1.5rem 1.25rem;
  }

  .cs-premium-results-metric__value {
    font-size: 1.75rem;
  }

  .cs-premium-results-metric__label {
    font-size: 0.875rem;
  }

  /* Chart block — mobile adjustments */
  .cs-premium-chart-block {
    padding: 1.5rem 1.25rem;
  }

  .cs-premium-chart-block__headline {
    font-size: 1.375rem;
  }

  .cs-premium-chart__canvas {
    height: 320px !important;
  }

  .cs-premium-chart-block__description {
    font-size: 1rem;
    margin: 1.5rem 0 0;
    padding-top: 1.25rem;
  }

  /* CTA mobile */
  .cs-premium-cta__headline {
    font-size: 1.625rem;
  }

  .cs-premium-cta__subcopy {
    font-size: 1rem;
  }

  .cs-premium-cta__button {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    width: auto;
  }

  /* Hide decorative gradients on mobile (cleaner) */
  .cs-premium-cta::before,
  .cs-premium-cta::after {
    display: none;
  }
}

/* ============================================================
   Responsive — small mobile (480px and below)
   ============================================================ */
@media (max-width: 480px) {
  /* Results metrics single column on small screens */
  .cs-premium-results-metrics {
    grid-template-columns: 1fr;
  }

  /* Warning metrics single column on small screens */
  .cs-premium-warning-metrics__row {
    grid-template-columns: 1fr;
  }

  .cs-premium-hero__brand {
    flex-direction: column;
    align-items: flex-start;
  }

  .cs-premium-hero__client-name {
    font-size: 1rem;
  }

  /* CTA tighter padding */
  .cs-premium-cta__button {
    width: 100%;
    justify-content: center;
  }
}

/* ============================================================
   Print styles — basic, ensures readability
   ============================================================ */
@media print {
  .cs-premium-cta {
    background: none !important;
    color: var(--cs-premium-text) !important;
    border-top: 1px solid var(--cs-premium-border);
  }

  .cs-premium-cta__headline,
  .cs-premium-cta__subcopy {
    color: var(--cs-premium-text) !important;
  }

  .cs-premium-cta__button {
    background: var(--cs-premium-blue) !important;
    color: #FFFFFF !important;
  }

  .cs-premium-cta::before,
  .cs-premium-cta::after {
    display: none;
  }

  /* Hide animations on print */
  [data-cs-animate] {
    opacity: 1 !important;
    transform: none !important;
  }

  /* Show fallback tables on print (charts won't render in print) */
  .cs-premium-chart.is-rendered .cs-premium-chart__fallback-table {
    display: table !important;
  }

  .cs-premium-chart__canvas {
    display: none !important;
  }

  /* Avoid awkward breaks */
  .cs-premium-pillar,
  .cs-premium-results-metric,
  .cs-premium-chart-block {
    page-break-inside: avoid;
  }
}