/* ══════════════════════════════════════
   WYSHKIT CASE STUDY — VISUAL-FIRST
   Dedicated styles for the mobile-app
   gifting marketplace case study.
   ══════════════════════════════════════ */

/* ── Hero Composite ── */
.wk-hero {
  padding: 80px 0 0;
  background: linear-gradient(135deg, #0A0A0A 0%, #1A0A0A 50%, #0A0A0A 100%);
  overflow: hidden;
}

.wk-hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: clamp(48px, 8vw, 80px) var(--container-padding) 0;
}

.wk-hero__text {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 64px);
}

.wk-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #F06B68;
  padding: 8px 18px;
  border-radius: 100px;
  background: rgba(205, 28, 24, .1);
  border: 1px solid rgba(205, 28, 24, .2);
  margin-bottom: 24px;
}

.wk-hero__title {
  font-family: var(--font-display);
  font-size: clamp(40px, 7vw, 88px);
  font-weight: 700;
  letter-spacing: -.04em;
  line-height: .95;
  color: #fff;
  margin-bottom: 20px;
}

.wk-hero__subtitle {
  font-size: clamp(15px, 1.3vw, 18px);
  font-weight: 300;
  line-height: 1.6;
  color: rgba(255, 255, 255, .5);
  max-width: 520px;
  margin: 0 auto;
}

/* Phone screens composite */
.wk-hero__screens {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: clamp(16px, 3vw, 32px);
  max-width: 900px;
  margin: 0 auto;
  padding-bottom: 0;
}

.wk-hero__phone {
  flex: 0 0 auto;
  border-radius: 24px;
  overflow: hidden;
  box-shadow:
    0 20px 60px rgba(0, 0, 0, .4),
    0 4px 16px rgba(0, 0, 0, .3);
  transition: transform .6s ease;
}
.wk-hero__phone img {
  display: block;
  width: 100%;
  height: auto;
}

.wk-hero__phone--center {
  width: clamp(200px, 28vw, 280px);
  z-index: 2;
}
.wk-hero__phone--left {
  width: clamp(170px, 22vw, 240px);
  transform: rotate(-4deg) translateY(24px);
  opacity: .85;
}
.wk-hero__phone--right {
  width: clamp(170px, 22vw, 240px);
  transform: rotate(4deg) translateY(24px);
  opacity: .85;
}
.wk-hero__phone--left:hover,
.wk-hero__phone--right:hover {
  opacity: 1;
  transform: rotate(0deg) translateY(0);
}

/* ── Brand Override ── */
.cs-body.wk-body {
  --accent: #CD1C18;
  --accent-dark: #A01612;
  --accent-glow: rgba(205, 28, 24, .08);
  --wk-coral: #F06B68;
  --wk-bg-warm: #FFF8F7;
}

/* ── Opportunity Section (Glance) ── */
.wk-glance {
  padding: clamp(60px, 8vw, 100px) 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.wk-glance__heading {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 40px;
}

.wk-glance__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.wk-glance__card {
  padding: 32px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all .3s ease;
}
.wk-glance__card:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(205, 28, 24, .06);
  transform: translateY(-2px);
}

.wk-glance__emoji {
  font-size: 28px;
  margin-bottom: 4px;
}

.wk-glance__card-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
}

.wk-glance__card p {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

/* ── Section Commons ── */
.wk-section {
  padding: clamp(80px, 10vw, 120px) 0;
}
.wk-section--alt {
  background: var(--bg-card);
}
.wk-section--dark {
  background: var(--bg-dark);
  color: var(--text-on-dark);
}
.wk-section--warm {
  background: var(--wk-bg-warm);
}

.wk-section__emoji {
  font-size: 28px;
  display: block;
  margin-bottom: 12px;
}

.wk-section__label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--text-muted);
  display: block;
  margin-bottom: 16px;
}
.wk-section__label--light {
  color: var(--text-on-dark-muted);
}
.wk-section__label--accent {
  color: var(--accent);
}

.wk-section__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 20px;
  max-width: 720px;
}
.wk-section__title--light {
  color: #fff;
}

.wk-section__intro {
  font-size: clamp(15px, 1.2vw, 18px);
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 56px;
}
.wk-section__intro--light {
  color: var(--text-on-dark-muted);
}

/* ══════════════════════════════════════
   THE PROBLEM — BEFORE / AFTER FLOWS
   ══════════════════════════════════════ */
.wk-problem {
  padding: clamp(80px, 10vw, 120px) 0;
  background: var(--bg-card);
}

.wk-flows {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
}

.wk-flow {
  padding: 36px 32px;
  border-radius: 16px;
  border: 1px solid var(--border-color);
}
.wk-flow--before {
  background: #fff;
}
.wk-flow--after {
  background: var(--wk-bg-warm);
  border-color: rgba(205, 28, 24, .15);
}

.wk-flow__badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.wk-flow__badge--old {
  background: #f0f0f0;
  color: var(--text-muted);
}
.wk-flow__badge--new {
  background: rgba(205, 28, 24, .1);
  color: var(--accent);
}

.wk-flow__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.02em;
  margin: 0 0 20px;
}

.wk-flow__steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.wk-flow__step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-color);
}
.wk-flow__step:last-child {
  border-bottom: none;
}

.wk-flow__step-num {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  min-width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-card);
  flex-shrink: 0;
  margin-top: 2px;
}
.wk-flow--after .wk-flow__step-num {
  background: rgba(205, 28, 24, .1);
  color: var(--accent);
}

.wk-flow__step-text {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-secondary);
}
.wk-flow__step--strike .wk-flow__step-text {
  text-decoration: line-through;
  color: var(--text-muted);
}

.wk-flow__result {
  margin-top: 20px;
  padding: 16px 20px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
}
.wk-flow--before .wk-flow__result {
  background: #FFF3E0;
  color: #E65100;
}
.wk-flow--after .wk-flow__result {
  background: rgba(205, 28, 24, .08);
  color: var(--accent-dark);
}

/* ══════════════════════════════════════
   THE DESIGN DECISION — HERO CALLOUT
   ══════════════════════════════════════ */
.wk-decision {
  padding: clamp(80px, 10vw, 120px) 0;
  background: var(--bg-dark);
  color: var(--text-on-dark);
  overflow: hidden;
}

.wk-decision__header {
  text-align: center;
  margin-bottom: 64px;
}

.wk-decision__label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--wk-coral);
  display: block;
  margin-bottom: 16px;
}

.wk-decision__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 20px;
  max-width: 740px;
  margin-left: auto;
  margin-right: auto;
}

.wk-decision__subtitle {
  font-size: clamp(15px, 1.2vw, 18px);
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-on-dark-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Flow Pipeline */
.wk-pipeline {
  display: flex;
  align-items: stretch;
  gap: 0;
  overflow-x: auto;
  padding: 0 0 8px;
  margin-bottom: 56px;
}

.wk-pipeline__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  min-width: 120px;
  padding: 24px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .06);
  transition: all .3s ease;
  flex: 1;
}
.wk-pipeline__step:hover {
  background: rgba(255, 255, 255, .08);
}
.wk-pipeline__step--highlight {
  background: rgba(205, 28, 24, .15);
  border-color: rgba(205, 28, 24, .3);
}
.wk-pipeline__step--highlight:hover {
  background: rgba(205, 28, 24, .2);
}

.wk-pipeline__icon {
  font-size: 24px;
}

.wk-pipeline__step-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -.01em;
}
.wk-pipeline__step--highlight .wk-pipeline__step-label {
  color: var(--wk-coral);
}

.wk-pipeline__arrow {
  display: flex;
  align-items: center;
  font-size: 18px;
  color: rgba(255, 255, 255, .25);
  padding: 0 6px;
  flex-shrink: 0;
}

/* Decision Impact */
.wk-decision__impact {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.wk-decision__impact-card {
  padding: 28px 24px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 14px;
  transition: all .3s ease;
}
.wk-decision__impact-card:hover {
  background: rgba(255, 255, 255, .07);
  border-color: var(--wk-coral);
  transform: translateY(-2px);
}

.wk-decision__impact-card h4 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -.01em;
  margin: 0 0 8px;
}

.wk-decision__impact-card p {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-on-dark-muted);
  margin: 0;
}

/* ══════════════════════════════════════
   THE PRODUCT — MOBILE SCREEN SHOWCASE
   ══════════════════════════════════════ */
.wk-product {
  padding-top: clamp(80px, 10vw, 120px);
  padding-bottom: 0;
}

.wk-showcase {
  padding: clamp(48px, 6vw, 80px) 0;
  border-top: 1px solid var(--border-color);
}
.wk-showcase--alt {
  background: var(--bg-card);
}
.wk-showcase--warm {
  background: var(--wk-bg-warm);
}

.wk-showcase__label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 12px;
}

.wk-showcase__title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.15;
  color: var(--text-primary);
  margin: 0 0 12px;
  max-width: 600px;
}

.wk-showcase__desc {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0 0 40px;
  max-width: 600px;
}

/* Mobile Screen Image Layouts */
.wk-screens {
  padding: 0 clamp(20px, 4vw, 60px);
  margin-top: 16px;
  margin-bottom: 24px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.wk-screens--duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 560px;
}

.wk-screens--trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 780px;
}

.wk-screens--quad {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 960px;
}

.wk-screens--single {
  max-width: 280px;
}

.wk-screens--center {
  margin-left: auto;
  margin-right: auto;
}

.wk-screen {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.wk-screen img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 20px;
  box-shadow:
    0 4px 12px rgba(0, 0, 0, .06),
    0 20px 60px rgba(0, 0, 0, .08);
  transition: transform .4s ease, box-shadow .4s ease;
}
.wk-screen img:hover {
  transform: scale(1.02) translateY(-4px);
  box-shadow:
    0 8px 20px rgba(0, 0, 0, .08),
    0 32px 80px rgba(0, 0, 0, .12);
}

.wk-screen__caption {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-muted);
  text-align: center;
  font-style: italic;
  line-height: 1.4;
  padding: 0 4px;
}

/* ══════════════════════════════════════
   KEY DECISIONS GRID
   ══════════════════════════════════════ */
.wk-decisions {
  margin-top: 0;
}

.wk-decisions__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.02em;
  margin: 0 0 24px;
}

.wk-decisions__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.wk-decisions__item {
  padding: 28px 24px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  transition: all .3s ease;
}
.wk-decisions__item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, .04);
}

.wk-decisions__item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -.01em;
  margin-bottom: 8px;
}

.wk-decisions__item p {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

/* ══════════════════════════════════════
   IMPACT SECTION
   ══════════════════════════════════════ */
.wk-impact__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.wk-impact__card {
  padding: 32px 28px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--border-dark);
  border-radius: 16px;
  transition: all .3s ease;
}
.wk-impact__card:hover {
  background: rgba(255, 255, 255, .07);
  border-color: var(--wk-coral);
  transform: translateY(-2px);
}

.wk-impact__card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -.01em;
  margin: 0 0 10px;
}

.wk-impact__card p {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-on-dark-muted);
  margin: 0;
}

.wk-impact__quote {
  text-align: center;
  padding: 48px 0;
  border-top: 1px solid var(--border-dark);
}

.wk-impact__quote p {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.2;
  color: #fff;
  margin: 0 0 16px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.wk-impact__quote span {
  font-size: 15px;
  font-weight: 400;
  color: var(--text-on-dark-muted);
}

/* ══════════════════════════════════════
   RESPONSIVE — TABLET
   ══════════════════════════════════════ */
@media (max-width: 1024px) {
  .wk-hero__phone--left,
  .wk-hero__phone--right {
    width: clamp(140px, 20vw, 200px);
  }
  .wk-hero__phone--center {
    width: clamp(180px, 26vw, 240px);
  }
  .wk-glance__cards {
    grid-template-columns: 1fr;
  }
  .wk-flows {
    grid-template-columns: 1fr;
  }
  .wk-pipeline {
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
  }
  .wk-pipeline__arrow {
    display: none;
  }
  .wk-pipeline__step {
    min-width: 100px;
    flex: 0 0 auto;
  }
  .wk-decision__impact {
    grid-template-columns: 1fr;
  }
  .wk-decisions__grid {
    grid-template-columns: 1fr;
  }
  .wk-screens--quad {
    grid-template-columns: repeat(2, 1fr);
    max-width: 560px;
  }
  .wk-screens--trio {
    grid-template-columns: repeat(2, 1fr);
    max-width: 560px;
  }
  .wk-impact__grid {
    grid-template-columns: 1fr;
  }
}

/* ══════════════════════════════════════
   RESPONSIVE — MOBILE
   ══════════════════════════════════════ */
@media (max-width: 768px) {
  .wk-hero__phone--left,
  .wk-hero__phone--right {
    display: none;
  }
  .wk-hero__phone--center {
    width: 240px;
  }
  .wk-screens--duo {
    grid-template-columns: 1fr;
    max-width: 280px;
  }
  .wk-screens--trio {
    grid-template-columns: 1fr;
    max-width: 280px;
  }
  .wk-screens--quad {
    grid-template-columns: 1fr 1fr;
    max-width: 480px;
  }
  .wk-screens {
    padding: 0 var(--container-padding);
  }
  .wk-flow {
    padding: 28px 24px;
  }
  .wk-pipeline__step {
    min-width: 80px;
    padding: 16px 10px;
  }
  .wk-pipeline__step-label {
    font-size: 11px;
  }
}

@media (max-width: 480px) {
  .wk-glance__card {
    padding: 24px 20px;
  }
  .wk-decisions__item {
    padding: 20px 18px;
  }
  .wk-impact__card {
    padding: 24px 20px;
  }
  .wk-screens--quad {
    grid-template-columns: 1fr;
    max-width: 280px;
  }
}