/* ============================================================
   /work — Case Studies Index + Case Study Template
   vyudu.com 2026
   ============================================================ */

/* ── Shared tokens ─────────────────────────────────────────── */
:root {
  --cs-gold: #7c3aed;
  --cs-dark: #0a0a0a;
  --cs-mid: #1a1a1a;
  --cs-light: #f5f5f0;
  --cs-border: rgba(124, 58, 237, 0.2);
  --cs-text: #1a1a1a;
  --cs-muted: rgba(26, 26, 26, 0.55);
  --cs-radius: 4px;
  --cs-gap: 2px;
}

/* ── /work index ─────────────────────────────────────────────── */
.work-index {
  background: var(--cs-dark);
  color: #fff;
  min-height: 100vh;
}

/* Header */
.work-index__header {
  padding: 160px 40px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.work-index__eyebrow {
  display: block;
  color: var(--cs-gold);
  letter-spacing: .15em;
  font-size: .7rem;
  margin-bottom: 1.2rem;
}

.work-index__title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 300;
  line-height: 1.05;
  color: #fff;
  margin: 0 0 1.2rem;
  letter-spacing: -.02em;
}

.work-index__subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,.55);
  max-width: 520px;
  margin: 0;
  line-height: 1.7;
}

/* Grid */
.work-index__grid-section {
  padding: 0 40px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.work-index__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--cs-gap);
}

/* Default card = 6 cols */
.work-card {
  grid-column: span 6;
  display: block;
  text-decoration: none;
  color: #fff;
  position: relative;
  background: var(--cs-mid);
  overflow: hidden;
  cursor: pointer;
  transition: transform .4s cubic-bezier(.16,1,.3,1);
}

.work-card:hover { transform: translateY(-4px); }

/* Flagship card spans full width */
.work-card--flagship {
  grid-column: span 12;
}

/* Image */
.work-card__img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
}

.work-card--flagship .work-card__img-wrap {
  aspect-ratio: 21/9;
}

.work-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s cubic-bezier(.16,1,.3,1);
}

.work-card:hover .work-card__img { transform: scale(1.04); }

.work-card__flagship-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--cs-gold);
  color: #fff;
  padding: 4px 12px;
  font-size: .6rem;
  letter-spacing: .15em;
  z-index: 2;
}

.work-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.7) 0%, transparent 60%);
  opacity: 0;
  transition: opacity .3s ease;
  display: flex;
  align-items: flex-end;
  padding: 24px;
}

.work-card:hover .work-card__overlay { opacity: 1; }

.work-card__cta {
  color: #fff;
  font-size: .65rem;
  letter-spacing: .15em;
}

/* Meta */
.work-card__meta {
  padding: 24px 28px 28px;
}

.work-card__category {
  display: block;
  color: var(--cs-gold);
  font-size: .65rem;
  letter-spacing: .12em;
  margin-bottom: .6rem;
}

.work-card__client {
  font-size: 1.35rem;
  font-weight: 400;
  margin: 0 0 .5rem;
  color: #fff;
  letter-spacing: -.01em;
}

.work-card--flagship .work-card__client { font-size: 1.8rem; }

.work-card__tagline {
  font-size: .9rem;
  color: rgba(255,255,255,.6);
  margin: 0 0 1rem;
  line-height: 1.5;
}

.work-card__services {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.work-card__service-tag {
  background: rgba(255,255,255,.07);
  color: rgba(255,255,255,.6);
  font-size: .65rem;
  padding: 4px 10px;
  border: 1px solid rgba(255,255,255,.1);
}

/* Bottom CTA */
.work-index__cta-section {
  text-align: center;
  padding: 80px 40px 120px;
  border-top: 1px solid rgba(255,255,255,.08);
}

.work-index__cta-label {
  color: var(--cs-gold);
  font-size: .65rem;
  letter-spacing: .15em;
  margin: 0 0 1rem;
}

.work-index__cta-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 300;
  color: #fff;
  margin: 0 0 2rem;
  letter-spacing: -.02em;
}


/* ── Case Study Template ────────────────────────────────────── */
.case-study {
  background: #fff;
  color: var(--cs-text);
}

/* Hero */
.cs-hero {
  position: relative;
  height: 75vh;
  min-height: 520px;
  max-height: 800px;
  overflow: hidden;
}

.cs-hero__img-wrap {
  position: absolute;
  inset: 0;
}

.cs-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cs-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,.2) 0%,
    rgba(0,0,0,.7) 70%,
    rgba(0,0,0,.85) 100%
  );
}

.cs-hero__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 48px 60px;
  color: #fff;
}

.cs-hero__back {
  display: inline-block;
  color: rgba(255,255,255,.6);
  font-size: .65rem;
  letter-spacing: .12em;
  text-decoration: none;
  margin-bottom: 1.2rem;
  transition: color .2s ease;
}

.cs-hero__back:hover { color: #fff; }

.cs-hero__eyebrow {
  display: block;
  color: var(--cs-gold);
  font-size: .65rem;
  letter-spacing: .15em;
  margin-bottom: .8rem;
}

.cs-hero__title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 300;
  margin: 0 0 .8rem;
  letter-spacing: -.02em;
  line-height: 1.05;
}

.cs-hero__tagline {
  font-size: 1.1rem;
  color: rgba(255,255,255,.7);
  margin: 0 0 1.2rem;
  max-width: 640px;
}

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

.cs-hero__service-tag {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.75);
  font-size: .65rem;
  padding: 5px 12px;
  letter-spacing: .05em;
}

/* Container */
.cs-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 60px;
}

.cs-container--narrow {
  max-width: 760px;
}

/* Section base */
.cs-section {
  padding: 72px 0;
}

.cs-section + .cs-section {
  border-top: 1px solid rgba(0,0,0,.08);
}

/* Label */
.cs-label {
  display: block;
  color: var(--cs-gold);
  font-size: .65rem;
  letter-spacing: .15em;
  margin-bottom: 1.6rem;
}

/* TL;DR */
.cs-tldr {
  background: var(--cs-light);
}

.cs-tldr__text {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--cs-text);
  margin: 0;
  font-weight: 300;
}

/* Outcomes */
.cs-outcomes {
  background: var(--cs-dark);
  color: #fff;
}

.cs-outcomes .cs-label { color: var(--cs-gold); }

.cs-outcomes__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2px;
}

.cs-outcome-item {
  background: var(--cs-mid);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cs-outcome-item__metric {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 300;
  color: #fff;
  line-height: 1;
  letter-spacing: -.02em;
}

.cs-outcome-item__label {
  font-size: .85rem;
  color: rgba(255,255,255,.65);
  line-height: 1.4;
}

.cs-outcome-item__period {
  font-size: .6rem;
  letter-spacing: .1em;
  color: var(--cs-gold);
}

/* Body text */
.cs-body {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--cs-text);
  margin: 0 0 1.2rem;
}

.cs-body:last-child { margin-bottom: 0; }

/* Approach */
.cs-approach__list {
  list-style: none;
  padding: 0;
  margin: 1.6rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cs-approach__bullet {
  padding: 14px 18px;
  border-left: 3px solid var(--cs-gold);
  background: var(--cs-light);
  font-size: .95rem;
  line-height: 1.5;
  color: var(--cs-text);
}

/* Stack */
.cs-stack {
  background: var(--cs-light);
}

.cs-stack__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2px;
}

.cs-stack__item {
  background: #fff;
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border: 1px solid rgba(0,0,0,.06);
}

.cs-stack__item-label {
  font-size: .6rem;
  letter-spacing: .12em;
  color: var(--cs-muted);
}

.cs-stack__item-value {
  font-size: .95rem;
  color: var(--cs-text);
  line-height: 1.4;
}

/* Testimonial */
.cs-testimonial {
  background: var(--cs-dark);
  color: #fff;
  text-align: center;
}

.cs-testimonial__quote {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 300;
  line-height: 1.5;
  color: #fff;
  margin: 0 0 1.2rem;
  letter-spacing: -.01em;
}

.cs-testimonial__cite {
  font-size: .65rem;
  letter-spacing: .12em;
  color: var(--cs-gold);
  font-style: normal;
}

/* Related services */
.cs-related__list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.cs-related__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid rgba(0,0,0,.15);
  color: var(--cs-text);
  text-decoration: none;
  font-size: .85rem;
  transition: background .2s ease, border-color .2s ease;
}

.cs-related__link:hover {
  background: var(--cs-light);
  border-color: var(--cs-gold);
}

.cs-related__arrow {
  color: var(--cs-gold);
  transition: transform .2s ease;
}

.cs-related__link:hover .cs-related__arrow { transform: translateX(4px); }

/* Bottom CTA */
.cs-cta {
  background: var(--cs-dark);
  color: #fff;
  text-align: center;
}

.cs-cta__inner { padding: 0 60px; }

.cs-cta__label {
  display: block;
  color: var(--cs-gold);
  font-size: .65rem;
  letter-spacing: .15em;
  margin-bottom: 1rem;
}

.cs-cta__title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 300;
  color: #fff;
  margin: 0 0 2rem;
  letter-spacing: -.02em;
}

.cs-cta__buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.cs-cta__back-link {
  color: rgba(255,255,255,.5);
  text-decoration: none;
  font-size: .65rem;
  letter-spacing: .12em;
  transition: color .2s ease;
}

.cs-cta__back-link:hover { color: #fff; }


/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .work-card { grid-column: span 12; }
  .work-card--flagship { grid-column: span 12; }

  .cs-hero__content { padding: 36px 32px; }
  .cs-container { padding: 0 32px; }
}

@media (max-width: 768px) {
  .work-index__header { padding: 120px 24px 60px; }
  .work-index__grid-section { padding: 0 24px 60px; }
  .work-index__cta-section { padding: 60px 24px 80px; }

  .work-card--flagship .work-card__img-wrap { aspect-ratio: 16/9; }

  .cs-hero { height: 60vh; min-height: 400px; }
  .cs-hero__content { padding: 24px; }
  .cs-hero__title { font-size: 2rem; }

  .cs-section { padding: 48px 0; }
  .cs-container { padding: 0 24px; }
  .cs-cta__inner { padding: 0 24px; }

  .cs-outcomes__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .cs-outcomes__grid { grid-template-columns: 1fr; }
  .cs-stack__grid { grid-template-columns: 1fr 1fr; }
}