/* ══════════════════════════════════════════
   Case Study — Page Styles
   Inherits variables and base from style.css
   ══════════════════════════════════════════ */

/* ── Header CTA (smaller on case study page) ── */
.cs-header-cta {
  font-size: 13px;
  padding: 12px 24px;
}

/* ══ HERO ══════════════════════════════════════ */
.cs-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.cs-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.cs-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 32px;
  font-family: var(--font-title);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.cs-breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.3s;
}

.cs-breadcrumb a:hover {
  color: var(--color-accent);
}

.cs-breadcrumb span:last-child {
  color: var(--color-text-light);
}

.cs-tag-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.cs-year {
  font-family: var(--font-title);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 2px;
}

.cs-hero-title {
  font-family: var(--font-display);
  font-size: clamp(44px, 8vw, 100px);
  line-height: 0.92;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.cs-hero-sub {
  display: block;
  font-size: clamp(18px, 2.5vw, 32px) !important;
  font-weight: 400 !important;
  color: rgba(250,250,250,0.5) !important;
  letter-spacing: 0.08em;
  margin-top: 8px;
}

.cs-hero-desc {
  font-size: clamp(16px, 1.8vw, 20px);
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: 48px;
}

/* KPIs row */
.cs-hero-kpis {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: nowrap;
  row-gap: 24px;
}

.cs-kpi {
  text-align: center;
  padding: 0 32px;
}

.cs-kpi:first-child {
  padding-left: 0;
}

.cs-kpi-num {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 900;
  line-height: 1;
  color: var(--color-text-light);
}

.cs-kpi-num span {
  color: var(--color-accent);
  font-size: 0.65em;
}

.cs-kpi-label {
  font-family: var(--font-title);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-text-muted);
  margin-top: 6px;
}

.cs-kpi-sep {
  width: 1px;
  height: 40px;
  background: var(--color-border);
  flex-shrink: 0;
}

/* Hero Visual */
.cs-hero-visual {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  pointer-events: none;
}

.cs-hero-mockup {
  width: 340px;
  opacity: 0;
  transform: translateX(60px) translateY(-10px);
  animation: csMockupIn 1.2s 0.8s cubic-bezier(0.25,1,0.5,1) forwards;
}

@keyframes csMockupIn {
  to { opacity: 1; transform: translateX(0) translateY(-10px); }
}

/* Floating animation for the whole visual after entrance */
.cs-hero-visual {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  pointer-events: none;
  animation: csHeroFloat 5s 2.2s ease-in-out infinite;
}

@keyframes csHeroFloat {
  0%, 100% { transform: translateY(calc(-50% + 0px)); }
  50%       { transform: translateY(calc(-50% - 14px)); }
}

/* Chart bars grow from bottom on entrance */
.cs-chart-bar {
  flex: 1;
  background: rgba(253,132,0,0.25);
  border-radius: 3px 3px 0 0;
  transition: background 0.3s;
  transform-origin: bottom;
  transform: scaleY(0);
  animation: csBarIn 0.5s ease-out forwards;
}

@keyframes csBarIn {
  to { transform: scaleY(1); }
}

.cs-chart-bar:nth-child(1) { animation-delay: 1.2s; }
.cs-chart-bar:nth-child(2) { animation-delay: 1.35s; }
.cs-chart-bar:nth-child(3) { animation-delay: 1.5s; }
.cs-chart-bar:nth-child(4) { animation-delay: 1.65s; }
.cs-chart-bar:nth-child(5) { animation-delay: 1.8s; }
.cs-chart-bar:nth-child(6) { animation-delay: 1.95s; }
.cs-chart-bar:nth-child(7) { animation-delay: 2.1s; }
.cs-chart-bar:nth-child(8) { animation-delay: 2.25s; }

.cs-chart-bar.active {
  background: var(--color-accent);
  box-shadow: 0 0 12px rgba(253,132,0,0.5);
}

/* ROAS value pulse */
.cs-mockup-val {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 900;
  color: var(--color-text-light);
  line-height: 1;
  animation: csRoasPulse 3s 2.5s ease-in-out infinite;
}

@keyframes csRoasPulse {
  0%, 100% { text-shadow: none; }
  50%       { text-shadow: 0 0 20px rgba(253,132,0,0.6); color: #fd8400; }
}

/* Trend indicator flash */
.cs-mockup-trend.up {
  color: #4ade80;
  animation: csTrendFlash 3s 3s ease-in-out infinite;
}

@keyframes csTrendFlash {
  0%, 80%, 100% { opacity: 1; }
  90%           { opacity: 0.4; }
}

.cs-mockup-screen {
  background: #141414;
  border: 1px solid rgba(253, 132, 0, 0.2);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 40px 100px rgba(0,0,0,0.6), 0 0 60px rgba(253,132,0,0.08);
}

.cs-mockup-bar {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  background: #0d0d0d;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.cs-mockup-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  display: block;
}

.cs-mockup-bar span:nth-child(1) { background: #ff5f57; }
.cs-mockup-bar span:nth-child(2) { background: #febc2e; }
.cs-mockup-bar span:nth-child(3) { background: #28c840; }

.cs-mockup-content {
  padding: 24px 20px;
}

.cs-mockup-metric {
  margin-bottom: 20px;
}

.cs-mockup-label {
  font-family: var(--font-title);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.cs-mockup-val {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 900;
  color: var(--color-text-light);
  line-height: 1;
}

.cs-mockup-trend {
  font-family: var(--font-title);
  font-size: 13px;
  font-weight: 800;
  margin-top: 4px;
}

.cs-mockup-trend.up {
  color: #4ade80;
}

.cs-chart {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 80px;
  margin-bottom: 16px;
}

.cs-mockup-chart {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 72px;
  margin-bottom: 16px;
}

.cs-chart-bar {
  flex: 1;
  background: rgba(253,132,0,0.25);
  border-radius: 3px 3px 0 0;
  transition: background 0.3s;
}

.cs-chart-bar.active {
  background: var(--color-accent);
  box-shadow: 0 0 12px rgba(253,132,0,0.5);
}

.cs-mockup-platforms {
  display: flex;
  gap: 8px;
}

.cs-mockup-platforms span {
  font-family: var(--font-title);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 10px;
  border: 1px solid rgba(253,132,0,0.3);
  border-radius: 50px;
  color: var(--color-accent);
}

@media (min-width: 1100px) {
  .cs-hero-title--compact {
    font-size: clamp(44px, 5.5vw, 68px);
  }
}

@media (max-width: 1100px) {
  .cs-hero-visual {
    display: none;
  }
  .cs-hero {
    padding: 120px 0 60px;
  }
}

@media (max-width: 768px) {
  .cs-hero-kpis {
    gap: 0;
    row-gap: 16px;
    flex-wrap: wrap;
  }
  .cs-kpi {
    padding: 0 20px;
  }
  .cs-kpi-sep {
    height: 30px;
  }
}

/* ══ SECTIONS SHARED ══════════════════════════ */
.cs-section {
  padding: 120px 0;
  position: relative;
}

.cs-section-header {
  margin-bottom: 80px;
}

.cs-section-label {
  font-family: var(--font-title);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.cs-section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 72px);
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.cs-section-title span {
  color: var(--color-accent);
}

/* ══ OVERVIEW ══════════════════════════════════ */
.cs-overview {
  background: #0a0a0a;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cs-overview-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 80px;
  align-items: start;
}

.cs-overview-text .cs-section-label {
  margin-bottom: 20px;
}

.cs-overview-text h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 60px);
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}

.cs-overview-text h2 span {
  color: var(--color-accent);
}

.cs-overview-text p {
  color: var(--color-text-muted);
  font-size: 17px;
  line-height: 1.65;
  margin-bottom: 20px;
}

.cs-overview-facts {
  display: flex;
  flex-direction: column;
  gap: 24px;
  border-left: 1px solid var(--color-border);
  padding-left: 40px;
}

.cs-fact {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.cs-fact-icon {
  font-size: 20px;
  flex-shrink: 0;
  width: 36px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 2px;
}

.cs-fact-label {
  font-family: var(--font-title);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.cs-fact-val {
  font-family: var(--font-title);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-light);
  line-height: 1.3;
}

@media (max-width: 900px) {
  .cs-overview-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .cs-overview-facts {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--color-border);
    padding-top: 40px;
  }
}

/* ══ STRATEGY ══════════════════════════════════ */
.cs-strategy {
  background: var(--color-bg-dark);
}

.cs-strategy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cs-strategy-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s, transform 0.4s;
}

.cs-strategy-card--wide {
  grid-column: span 2;
}

.cs-strategy-card--accent {
  background: linear-gradient(135deg, rgba(253,132,0,0.08) 0%, transparent 100%);
  border-color: rgba(253,132,0,0.25);
}

.cs-strategy-card:hover {
  border-color: rgba(253,132,0,0.4);
  transform: translateY(-4px);
}

.cs-strategy-num {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 900;
  color: rgba(253,132,0,0.15);
  line-height: 1;
  margin-bottom: 16px;
}

.cs-strategy-card h3 {
  font-family: var(--font-title);
  font-size: clamp(16px, 1.8vw, 20px);
  text-transform: uppercase;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--color-text-light);
}

.cs-strategy-card p {
  color: var(--color-text-muted);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.cs-strategy-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cs-strategy-tags span {
  font-family: var(--font-title);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 12px;
  border: 1px solid rgba(253,132,0,0.35);
  border-radius: 50px;
  color: var(--color-accent);
}

@media (max-width: 992px) {
  .cs-strategy-grid {
    grid-template-columns: 1fr 1fr;
  }
  .cs-strategy-card--wide {
    grid-column: span 2;
  }
}

@media (max-width: 600px) {
  .cs-strategy-grid {
    grid-template-columns: 1fr;
  }
  .cs-strategy-card--wide {
    grid-column: span 1;
  }
}

/* ══ RESULTS ══════════════════════════════════ */
.cs-results {
  background: #080808;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cs-results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  overflow: hidden;
}

.cs-result-card {
  padding: 48px 32px;
  background: #0f0f0f;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
  position: relative;
}

.cs-result-card:nth-child(3n) {
  border-right: none;
}

.cs-result-card:nth-child(n+4) {
  border-bottom: none;
}

.cs-result-card--big {
  background: linear-gradient(135deg, rgba(253,132,0,0.08) 0%, #0f0f0f 100%);
}

.cs-result-num {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 900;
  line-height: 1;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.cs-result-num span {
  color: var(--color-accent);
  font-size: 0.6em;
}

.cs-result-label {
  font-family: var(--font-title);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.cs-result-note {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.4;
}

@media (max-width: 900px) {
  .cs-results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cs-result-card:nth-child(3n) {
    border-right: 1px solid var(--color-border);
  }
  .cs-result-card:nth-child(2n) {
    border-right: none;
  }
}

@media (max-width: 500px) {
  .cs-results-grid {
    grid-template-columns: 1fr;
    border-radius: 16px;
  }
  .cs-result-card {
    border-right: none;
  }
  .cs-result-card:last-child {
    border-bottom: none;
  }
}

/* ══ TIMELINE ══════════════════════════════════ */
.cs-timeline {
  background: var(--color-bg-dark);
}

.cs-timeline-list {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.cs-timeline-list::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 20px;
  bottom: 20px;
  width: 1px;
  background: var(--color-border);
  transform: translateX(-50%);
}

.cs-tl-item {
  display: grid;
  grid-template-columns: 1fr 40px 1fr;
  gap: 0 24px;
  align-items: start;
  margin-bottom: 48px;
  position: relative;
  opacity: 0;
  transform: translateY(24px);
}

.cs-tl-item.visible {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.cs-tl-left {
  text-align: right;
  padding-right: 8px;
  padding-top: 4px;
}

.cs-tl-week {
  font-family: var(--font-title);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
}

.cs-tl-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.2);
  background: var(--color-bg-dark);
  flex-shrink: 0;
  margin: 4px auto 0;
  position: relative;
  z-index: 1;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.cs-tl-item.visible .cs-tl-dot {
  border-color: rgba(255,255,255,0.8);
  box-shadow: 0 0 10px rgba(255,255,255,0.4);
}

.cs-tl-dot--accent {
  background: var(--color-accent);
  border-color: var(--color-accent) !important;
  box-shadow: 0 0 16px rgba(253,132,0,0.6) !important;
}

.cs-tl-right {
  padding-left: 8px;
}

.cs-tl-right h4 {
  font-family: var(--font-title);
  font-size: clamp(14px, 1.5vw, 17px);
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--color-text-light);
}

.cs-tl-right p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-muted);
}

@media (max-width: 600px) {
  .cs-timeline-list::before {
    left: 20px;
  }

  .cs-tl-item {
    grid-template-columns: 20px 1fr;
    grid-template-rows: auto auto;
    gap: 0 16px;
  }

  .cs-tl-left {
    display: none;
  }

  .cs-tl-dot {
    margin: 4px 0 0;
  }

  .cs-tl-right {
    padding-left: 0;
    grid-column: 2;
    grid-row: 1;
  }

  .cs-tl-item > .cs-tl-week-mobile {
    display: block;
    font-family: var(--font-title);
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent);
    margin-bottom: 6px;
  }
}

/* ══ TESTIMONIAL ══════════════════════════════ */
.cs-testimonial {
  background: #080808;
  border-top: 1px solid var(--color-border);
}

.cs-testimonial-card {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.cs-testimonial-card .testimonial-quote {
  font-size: 100px;
  line-height: 0.6;
  margin-bottom: 16px;
}

.cs-testimonial-text {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.5vw, 28px);
  line-height: 1.45;
  color: var(--color-text-light);
  font-weight: 400;
  margin-bottom: 40px;
  letter-spacing: -0.01em;
}

.cs-testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.cs-testimonial-author strong {
  display: block;
  font-family: var(--font-title);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.cs-testimonial-author span {
  font-size: 13px;
  color: var(--color-text-muted);
}

.cs-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
  color: #0d0d0d;
  font-family: var(--font-title);
  font-size: 13px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ══ MORE CASE STUDIES ══════════════════════════ */
.cs-more {
  background: var(--color-bg-dark);
}

.cs-more-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.cs-more-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 40px 36px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s, transform 0.4s;
}

.cs-more-card:hover {
  border-color: rgba(253,132,0,0.4);
  transform: translateY(-4px);
}

.cs-more-tag {
  font-family: var(--font-title);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
}

.cs-more-card h3 {
  font-family: var(--font-title);
  font-size: clamp(18px, 2.5vw, 28px);
  text-transform: uppercase;
  font-weight: 800;
  color: var(--color-text-light);
}

.cs-more-card p {
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.5;
}

.cs-more-arrow {
  font-size: 24px;
  color: var(--color-accent);
  margin-top: auto;
  transition: transform 0.3s;
}

.cs-more-card:hover .cs-more-arrow {
  transform: translateX(6px);
}

@media (max-width: 600px) {
  .cs-more-grid {
    grid-template-columns: 1fr;
  }
}

/* ══ CTA ══════════════════════════════════════ */
.cs-cta-section {
  padding: 140px 0;
  background: #040404;
  border-top: 1px solid var(--color-border);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cs-cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(253,132,0,0.09) 0%, transparent 65%);
  pointer-events: none;
}

.cs-cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.cs-cta-heading {
  font-family: var(--font-display);
  font-size: clamp(36px, 7vw, 80px);
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: -0.02em;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
}

.cs-cta-heading span:first-child {
  font-weight: 400;
  font-size: clamp(22px, 4vw, 48px);
  color: rgba(250,250,250,0.6);
}

.cs-cta-section p {
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--color-text-muted);
  max-width: 480px;
  line-height: 1.6;
}

/* ══ PROOF IMAGES ══════════════════════════════ */
.cs-proof-images {
  padding: 60px 0;
  background: #080808;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cs-proof-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.cs-proof-item--wide {
  grid-column: 1 / -1;
}

.cs-proof-item {
  position: relative;
}

.cs-proof-frame {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: #0d0d12;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.cs-proof-window-bar {
  background: rgba(255, 255, 255, 0.03);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  flex-shrink: 0;
}

.cs-proof-window-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.cs-proof-window-bar span:nth-child(1) { background: #ff5f56; }
.cs-proof-window-bar span:nth-child(2) { background: #ffbd2e; }
.cs-proof-window-bar span:nth-child(3) { background: #27c93f; }

.cs-proof-item:hover .cs-proof-frame {
  border-color: rgba(253,132,0,0.45);
  transform: translateY(-5px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(253,132,0,0.15);
}

.cs-proof-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.cs-proof-label {
  margin-top: 10px;
  font-family: var(--font-title);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-text-muted);
}

@media (max-width: 700px) {
  .cs-proof-grid {
    grid-template-columns: 1fr;
  }
  .cs-proof-item--wide {
    grid-column: 1;
  }
}

/* ══ Section padding mobile ══════════════════ */
@media (max-width: 768px) {
  .cs-section {
    padding: 80px 0;
  }

  .cs-section-header {
    margin-bottom: 48px;
  }

  .cs-hero {
    padding: 110px 0 60px;
  }

  .cs-cta-section {
    padding: 100px 0;
  }
}