/* ======================================
   CASE STUDIES — Editorial Layout
   Grid-breaking imagery, typographic scale,
   asymmetric tension, warm neutrals + Switzer
   ====================================== */

/* ---- HERO ---- */
.cs-hero {
  padding: clamp(140px, 18vw, 220px) 0 0;
  overflow: visible;
}
.cs-hero-content {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 5%;
}
.cs-hero-text {
  padding-bottom: clamp(48px, 6vw, 80px);
}
.cs-hero h1 {
  font-size: clamp(42px, 5.5vw, 76px);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.045em;
  margin-bottom: 24px;
}
.cs-hero h1 em {
  font-style: normal;
}
.cs-hero-sub {
  font-size: 17px;
  color: var(--text-dim);
  line-height: 1.6;
  max-width: 400px;
}
.cs-hero-stats {
  display: flex;
  gap: clamp(32px, 4vw, 56px);
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.cs-hero-stat-num {
  display: block;
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.cs-hero-stat-label {
  display: block;
  font-size: 13px;
  color: var(--text-mute);
  margin-top: 6px;
  letter-spacing: 0.01em;
}

/* Hero image — bleeds right, breaks the grid */
.cs-hero-image {
  position: relative;
  border-radius: 16px 0 0 16px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: #f2f1ee;
  margin-right: -5%;
}
.cs-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---- FEATURE CASE STUDY (CS1) ---- */
.cs-feature {
  padding: clamp(80px, 10vw, 140px) 0;
}
.cs-feature-header {
  margin-bottom: clamp(40px, 5vw, 64px);
}
.cs-feature-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-mute);
  margin-bottom: 20px;
}
.cs-feature-title {
  font-size: clamp(32px, 4.5vw, 64px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 20px;
  max-width: 800px;
}
.cs-feature-desc {
  font-size: 17px;
  color: var(--text-dim);
  line-height: 1.65;
  max-width: 520px;
}

/* Meta row */
.cs-meta {
  display: flex;
  gap: clamp(32px, 5vw, 72px);
  padding: 32px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: clamp(40px, 5vw, 64px);
}
.cs-meta-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-mute);
  margin-bottom: 6px;
}
.cs-meta-value {
  display: block;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}

/* Feature image — full bleed with subtle overshoot */
.cs-feature-image {
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #f2f1ee;
  margin-bottom: 40px;
}
.cs-feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.cs-feature-image:hover img {
  transform: scale(1.03);
}

/* View link (underline style) */
.cs-view-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1.5px solid var(--border);
  padding-bottom: 4px;
  transition: border-color 0.3s ease;
}
.cs-view-link:hover {
  border-color: var(--text);
}
.cs-view-link svg {
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.cs-view-link:hover svg {
  transform: translateX(4px);
}

/* ---- DUO SECTION (CS2 + CS3) ---- */
.cs-duo-section {
  padding: clamp(80px, 10vw, 140px) 0;
  background: transparent;
}
.cs-duo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 3vw, 40px);
}

/* Card */
.cs-card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
.cs-card-img {
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: #f2f1ee;
  margin-bottom: 28px;
}
.cs-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.cs-card:hover .cs-card-img img {
  transform: scale(1.04);
}
.cs-card-body {
  padding: 0 4px;
}
.cs-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-mute);
  margin-bottom: 14px;
}
.cs-card-body h2 {
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 12px;
}
.cs-card-body p {
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.6;
  max-width: 420px;
  margin-bottom: 24px;
}

/* Card inline stats */
.cs-card-stats {
  display: flex;
  gap: 32px;
  margin-bottom: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.cs-card-stat-num {
  display: block;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.cs-card-stat-label {
  display: block;
  font-size: 12px;
  color: var(--text-mute);
  margin-top: 4px;
}

/* Card CTA */
.cs-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1.5px solid var(--border);
  padding-bottom: 3px;
  transition: border-color 0.3s ease;
}
.cs-card:hover .cs-card-cta {
  border-color: var(--text);
}
.cs-card-cta svg {
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.cs-card:hover .cs-card-cta svg {
  transform: translateX(4px);
}

/* ---- CS4: FEATURE SPLIT (image left, text right) ---- */
.cs-feature--split {
  padding: clamp(80px, 10vw, 140px) 0;
}
.cs-feature-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: center;
}
.cs-feature--split .cs-feature-image {
  aspect-ratio: 4 / 5;
  border-radius: 14px;
  margin-bottom: 0;
}
.cs-feature-side .cs-feature-tag {
  margin-bottom: 16px;
}
.cs-feature-side .cs-feature-title {
  font-size: clamp(26px, 3vw, 44px);
}
.cs-feature-side .cs-feature-desc {
  margin-bottom: 32px;
}
.cs-feature-side .cs-meta {
  flex-direction: column;
  gap: 16px;
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 32px;
}

/* Results (large numbers) */
.cs-feature-results {
  display: flex;
  gap: 40px;
  margin-bottom: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.cs-feature-result-num {
  display: block;
  font-size: clamp(32px, 3.5vw, 48px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.cs-feature-result-label {
  display: block;
  font-size: 13px;
  color: var(--text-mute);
  margin-top: 6px;
}

/* ---- REVEAL DIRECTIONS ---- */
.reveal-left {
  opacity: 0;
  transform: translateX(-48px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-left.in {
  opacity: 1;
  transform: translateX(0);
}
.reveal-right {
  opacity: 0;
  transform: translateX(48px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-right.in {
  opacity: 1;
  transform: translateX(0);
}

/* ---- CS SPOTLIGHT (55/45 split, stacked images + sticky text) ---- */
.cs-spotlight {
  padding: clamp(80px, 10vw, 140px) 0;
  overflow: visible;
}

/* Tinted variant — inverted dark sections for editorial contrast */
.cs-spotlight--tinted {
  background: #1a1a1a;
  color: #fafaf8;
}
.cs-spotlight--tinted .cs-spotlight-img--accent {
  border-color: #1a1a1a; /* match section bg */
}

/* Typography on dark bg */
.cs-spotlight--tinted .cs-feature-tag,
.cs-spotlight--tinted .cs-meta-label {
  color: rgba(250, 250, 248, 0.55);
}
.cs-spotlight--tinted .cs-spotlight-title,
.cs-spotlight--tinted .cs-meta-value {
  color: #fafaf8;
}
.cs-spotlight--tinted .cs-spotlight-desc {
  color: rgba(250, 250, 248, 0.78);
}

/* Dividers and pills */
.cs-spotlight--tinted .cs-spotlight-meta {
  border-top-color: rgba(250, 250, 248, 0.14);
  border-bottom-color: rgba(250, 250, 248, 0.14);
}
.cs-spotlight--tinted .cs-spotlight-pill {
  background: transparent;
  border-color: rgba(250, 250, 248, 0.22);
  color: rgba(250, 250, 248, 0.7);
}

/* CTA needs to flip — black-on-black would vanish */
.cs-spotlight--tinted .btn-pill {
  background: #fafaf8;
  color: #1a1a1a;
}
.cs-spotlight--tinted .btn-pill .btn-pill-icon {
  background: #1a1a1a;
  color: #fafaf8;
}
.cs-spotlight-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 80px;
  align-items: start;
}

/* LEFT — single website screenshot */
.cs-spotlight-media {
  position: relative;
  width: 600px;
  max-width: 100%;
  margin-left: 0;
}
.cs-spotlight-img {
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg-elev);
  box-shadow: var(--glass-shadow);
}
.cs-spotlight-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.cs-spotlight-img:hover img {
  transform: scale(1.03);
}
.cs-spotlight-img--main {
  aspect-ratio: 16 / 9;
  position: relative;
  z-index: 1;
}
.cs-spotlight-img--accent {
  aspect-ratio: 9 / 16;
  width: 28%;
  position: absolute;
  left: -8%;
  bottom: -8%;
  z-index: 2;
  border: 5px solid var(--bg);
}

/* RIGHT — sticky text panel */
.cs-spotlight-text {
  position: sticky;
  top: clamp(100px, 12vh, 140px);
  padding: clamp(8px, 2vw, 24px) 0;
  display: flex;
  flex-direction: column;
}
.cs-spotlight-text .cs-feature-tag {
  margin-bottom: 18px;
}
.cs-spotlight-title {
  font-family: var(--font);
  font-size: clamp(34px, 4.2vw, 60px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.02;
  color: var(--text);
  margin: 0 0 22px;
}
.cs-spotlight-desc {
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-dim);
  max-width: 520px;
  margin: 0 0 32px;
}

/* Meta — stacked rows on the right column */
.cs-spotlight-meta {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 28px 40px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}

/* Tag pills */
.cs-spotlight-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
}
.cs-spotlight-pill {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-mute);
  background: var(--bg-card);
}

/* Dominant CTA — sits at the bottom of the text block */
.cs-spotlight-cta {
  align-self: flex-start;
  margin-top: auto;
}

/* Coming-soon state — quiet, non-clickable */
.cs-spotlight-cta--soon {
  padding: 14px 24px;
  background: transparent;
  color: var(--text-mute);
  border: 1px solid var(--border);
  box-shadow: none;
  cursor: default;
}
.cs-spotlight-cta--soon:hover {
  background: transparent;
  transform: none;
  box-shadow: none;
}
.cs-spotlight--tinted .cs-spotlight-cta--soon {
  background: transparent;
  color: rgba(250, 250, 248, 0.6);
  border-color: rgba(250, 250, 248, 0.25);
}

/* REVERSE variant — image on the right, text on the left */
.cs-spotlight--reverse .cs-spotlight-grid {
  grid-template-columns: 1fr auto;
}
.cs-spotlight--reverse .cs-spotlight-media {
  order: 2;
  margin-left: 0;
  margin-right: 0;
}
.cs-spotlight--reverse .cs-spotlight-img--accent {
  left: auto;
  right: -8%;
}
.cs-spotlight--reverse .cs-spotlight-text {
  order: 1;
}

/* ---- REVEAL: fade-up (text side) ---- */
.reveal-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.15s,
              transform 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.15s;
}
.reveal-up.in {
  opacity: 1;
  transform: translateY(0);
}

/* ======================================
   CASE STUDY CARDS — Bordered container layout
   Each card: 50/50 split, dark image frame,
   "Impact" bulleted list, pill CTA.
   Alternating left/right via --reverse modifier.
   Strict warm-neutral palette.
   ====================================== */
.cs-cards {
  padding: clamp(48px, 6vw, 80px) 0 clamp(80px, 10vw, 120px);
}
.cs-cards .container {
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 2.5vw, 32px);
}

.cs-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: clamp(28px, 3.5vw, 56px);
}
.cs-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
}

/* Text side */
.cs-card-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.cs-card-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-mute);
  margin-bottom: 14px;
}
.cs-card-title {
  font-family: var(--font);
  font-size: clamp(24px, 2.8vw, 36px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--text);
  margin: 0 0 24px;
}
.cs-card-impact-label {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  margin: 0 0 12px;
}
.cs-card-impact {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.cs-card-impact li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-dim);
}
.cs-card-impact li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-mute);
}

/* CTA — dark pill */
.cs-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  background: var(--text);
  color: var(--bg);
  border-radius: 999px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--text);
  transition: background 0.25s ease, color 0.25s ease;
}
.cs-card-cta:hover {
  background: transparent;
  color: var(--text);
}
.cs-card-cta svg {
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.cs-card-cta:hover svg {
  transform: translateX(3px);
}

/* Image side — colored frame containing the photo */
.cs-card-media {
  width: 100%;
}
.cs-card-frame {
  background: #1a1a1a;
  border-radius: 18px;
  padding: clamp(24px, 3vw, 40px);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.cs-card-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
  display: block;
}

/* Reverse: image on the left, text on the right */
.cs-card--reverse .cs-card-grid {
  /* HTML order already flipped; nothing to do here, but kept for clarity */
}

/* Responsive */
@media (max-width: 900px) {
  .cs-card {
    padding: 24px;
    border-radius: 18px;
  }
  .cs-card-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .cs-card--reverse .cs-card-media {
    order: -1; /* keep image on top on mobile for both variants */
  }
  .cs-card-frame {
    aspect-ratio: 16 / 10;
    padding: 20px;
    border-radius: 12px;
  }
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .cs-hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .cs-hero-image {
    border-radius: 14px;
    margin-right: 0;
    aspect-ratio: 16 / 10;
  }
  .cs-duo-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .cs-feature-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .cs-feature--split .cs-feature-image {
    aspect-ratio: 16 / 10;
    order: -1;
  }
  .cs-feature-side .cs-meta {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 24px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 24px;
  }

  /* Spotlight collapses to single column */
  .cs-spotlight-grid,
  .cs-spotlight--reverse .cs-spotlight-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 48px;
  }
  .cs-spotlight-media,
  .cs-spotlight--reverse .cs-spotlight-media {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
    padding-bottom: 48px;
    order: 0;
  }
  .cs-spotlight--reverse .cs-spotlight-text {
    order: 0;
  }
  .cs-spotlight--reverse .cs-spotlight-img--accent {
    left: auto;
    right: 0;
  }
  .cs-spotlight-img--main {
    aspect-ratio: 16 / 11;
  }
  .cs-spotlight-img--accent {
    width: 50%;
    right: 0;
  }
  .cs-spotlight-text {
    position: static;
    top: auto;
  }
  .cs-spotlight-meta {
    grid-template-columns: repeat(2, auto);
    gap: 20px 32px;
  }
}
@media (max-width: 768px) {
  .cs-hero-content {
    padding: 0 24px;
  }
}
@media (max-width: 600px) {
  .cs-spotlight-img--accent {
    width: 56%;
    right: -4%;
    border-width: 4px;
  }
  .cs-spotlight-meta {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}
@media (max-width: 600px) {
  .cs-hero-stats {
    gap: 24px;
  }
  .cs-meta {
    flex-wrap: wrap;
    gap: 20px;
  }
  .cs-feature-image {
    border-radius: 10px;
  }
  .cs-card-img {
    border-radius: 10px;
  }
  .cs-feature-results {
    gap: 24px;
  }
}

/* ---- REDUCED MOTION ---- */
@media (prefers-reduced-motion: reduce) {
  .cs-feature-image img,
  .cs-card-img img {
    transition: none !important;
  }
  .cs-feature-image:hover img,
  .cs-card:hover .cs-card-img img {
    transform: none !important;
  }
  .cs-view-link svg,
  .cs-card-cta svg {
    transition: none !important;
  }
  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-up,
  .reveal-stagger > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .cs-spotlight-img img {
    transition: none !important;
  }
  .cs-spotlight-img:hover img {
    transform: none !important;
  }
}