@charset "UTF-8";
@import url('../assets/fonts/fonts.css');

:root {
  --font-quicksand: 'Quicksand', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --color-bg: #f8f9fa;
  --color-card-bg: #ffffff;
  --color-card-soft: #f1f3f5;
  --color-dark-card: #151515;
  --color-text: #1c1c1c;
  --color-text-muted: #666666;
  --color-border: rgba(0, 0, 0, 0.06);
  --color-accent: #0f172a;
  --color-accent-light: rgba(15, 23, 42, 0.05);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-quicksand);
  background-color: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
  padding: 1.5rem;
  padding-bottom: 6rem;
  -webkit-font-smoothing: antialiased;
}

@media (min-width: 1024px) {
  body {
    padding: 2.5rem 3rem 6rem;
  }
}

.case-container {
  max-width: 82rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Floating Back Button */
.back-btn {
  position: fixed;
  bottom: 1.25rem;
  left: 1rem;
  z-index: 9999;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 9999px;
  padding: 0.65rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.12);
  transition: transform 200ms ease, background-color 200ms ease, box-shadow 200ms ease;
}

@media (min-width: 768px) {
  .back-btn {
    bottom: 2rem;
    left: 2rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
  }
}

.back-btn:hover {
  transform: translateY(-2px);
  background-color: #ffffff;
  box-shadow: 0 14px 28px -4px rgba(0, 0, 0, 0.15);
}

/* Hero Info Card */
.case-hero-card {
  background-color: var(--color-card-bg);
  border-radius: 2rem;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.03);
}

@media (min-width: 1024px) {
  .case-hero-card {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
    padding: 4.5rem 4rem;
  }
}

.case-header-left {
  max-width: 52rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.case-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #555;
  background: var(--color-card-soft);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  width: fit-content;
}

.case-title {
  font-size: clamp(2.5rem, 5.5vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.case-subtitle {
  font-size: clamp(1.125rem, 2.2vw, 1.65rem);
  font-weight: 500;
  color: var(--color-text-muted);
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.case-meta-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-width: 15rem;
  background: var(--color-card-soft);
  padding: 1.75rem 2rem;
  border-radius: 1.5rem;
  border: 1px solid var(--color-border);
}

.meta-group-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #888888;
  margin-bottom: 0.2rem;
}

.meta-group-val {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
}

/* Feature/Highlights Section */
.case-features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .case-features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.case-feature-card {
  background: var(--color-card-bg);
  border-radius: 1.75rem;
  padding: 2.25rem;
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.02);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform 300ms ease, box-shadow 300ms ease;
}

.case-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.05);
}

.case-feature-icon {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 1rem;
  background: var(--color-card-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

.case-feature-icon svg {
  width: 1.65rem;
  height: 1.65rem;
}

.case-feature-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.case-feature-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Two-column Layout Cards */
.case-grid-two {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 1024px) {
  .case-grid-two {
    grid-template-columns: 1fr 1.6fr;
  }
}

.card-light {
  background-color: var(--color-card-bg);
  border-radius: 2rem;
  padding: 2.75rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.02);
}

.card-dark {
  background-color: var(--color-dark-card);
  color: #ffffff;
  border-radius: 2rem;
  padding: 2.75rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.step-number {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #999;
  margin-bottom: 0.5rem;
}

.card-heading {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.card-desc {
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.65;
  color: var(--color-text-muted);
}

.card-dark .card-desc {
  color: rgba(255, 255, 255, 0.75);
}

/* Checklist items */
.case-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.case-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 1.05rem;
  line-height: 1.5;
  font-weight: 500;
}

.case-check-icon {
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
  border-radius: 9999px;
  background: rgba(0, 0, 0, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.15rem;
}

.card-dark .case-check-icon {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

/* Portfolio / Work Highlights Section */
.case-showcase-card {
  background: var(--color-card-bg);
  border-radius: 2rem;
  padding: 2.75rem 2.5rem;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.02);
}

.case-showcase-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.case-gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .case-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .case-gallery-grid.three-col {
    grid-template-columns: repeat(3, 1fr);
  }
}

.case-gallery-item {
  background: var(--color-card-soft);
  border-radius: 1.5rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.case-gallery-item h4 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.case-gallery-item p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

.case-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 9999px;
  background: rgba(0, 0, 0, 0.05);
  color: #444;
}

/* Large Banner / CTA card */
.case-cta-card {
  background: linear-gradient(135deg, #18181b 0%, #000000 100%);
  color: #ffffff;
  border-radius: 2rem;
  padding: 3.5rem 2.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .case-cta-card {
    padding: 5rem 4rem;
  }
}

.case-cta-title {
  font-size: clamp(2rem, 4.5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  max-width: 48rem;
  line-height: 1.1;
}

.case-cta-desc {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 36rem;
  line-height: 1.6;
}

.case-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #ffffff;
  color: #000000;
  font-size: 1rem;
  font-weight: 700;
  padding: 1rem 2.25rem;
  border-radius: 9999px;
  text-decoration: none;
  transition: transform 200ms ease, background 200ms ease;
  margin-top: 0.5rem;
}

.case-cta-btn:hover {
  transform: scale(1.05);
  background: #f0f0f0;
}

/* ----------------------------------------------------
 * FLOATING WHATSAPP BUTTON (Visible Transparent WhatsApp Green + Glossy Fill)
 * ---------------------------------------------------- */
.floating-whatsapp-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99999;
  width: 60px;
  height: 60px;
  border-radius: 9999px;
  /* Rich & visible transparent WhatsApp green background */
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.78) 0%, rgba(18, 140, 126, 0.68) 100%);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  /* Crisp WhatsApp green outline with glow */
  border: 2px solid #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 28px -2px rgba(37, 211, 102, 0.45),
              0 0 16px rgba(37, 211, 102, 0.3),
              inset 0 1.5px 3px rgba(255, 255, 255, 0.75),
              inset 0 -2px 5px rgba(0, 0, 0, 0.15);
  text-decoration: none;
  cursor: pointer;
  transition: transform 250ms cubic-bezier(0.34, 1.56, 0.64, 1), 
              box-shadow 250ms ease, 
              background 250ms ease,
              border-color 250ms ease;
  outline: none;
  overflow: hidden;
}

/* Beautiful glossy glass shine on top */
.floating-whatsapp-btn::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  border-radius: 9999px 9999px 0 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.55) 0%, rgba(255, 255, 255, 0.05) 100%);
  pointer-events: none;
}

.floating-whatsapp-btn:hover {
  transform: translateY(-4px) scale(1.08);
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.9) 0%, rgba(18, 140, 126, 0.8) 100%);
  border-color: #34e77b;
  box-shadow: 0 16px 36px -2px rgba(37, 211, 102, 0.6),
              0 0 24px rgba(37, 211, 102, 0.45),
              inset 0 2px 4px rgba(255, 255, 255, 0.9),
              inset 0 -2px 6px rgba(0, 0, 0, 0.18);
}

.floating-whatsapp-btn:active {
  transform: translateY(-1px) scale(0.96);
}

/* Deep Solid White WhatsApp Path */
.floating-whatsapp-btn svg {
  width: 32px;
  height: 32px;
  fill: #ffffff !important;
  color: #ffffff !important;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
  transition: transform 250ms ease, filter 250ms ease;
  z-index: 2;
  position: relative;
}

.floating-whatsapp-btn:hover svg {
  transform: scale(1.06);
  filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.4));
}

/* Subtle breathing / pulse effect */
.floating-whatsapp-btn::before {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 9999px;
  border: 1.5px solid rgba(37, 211, 102, 0.8);
  background: transparent;
  z-index: -1;
  opacity: 0.5;
  animation: wa-pulse 2.6s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes wa-pulse {
  0% {
    transform: scale(0.96);
    opacity: 0.6;
  }
  50% {
    transform: scale(1.22);
    opacity: 0;
  }
  100% {
    transform: scale(0.96);
    opacity: 0;
  }
}

/* Tooltip on Desktop hover */
.whatsapp-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  background: #111827;
  color: #ffffff;
  padding: 0.45rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  transition: opacity 200ms ease, transform 200ms ease, visibility 200ms ease;
}

.whatsapp-tooltip::after {
  content: "";
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border-width: 5px;
  border-style: solid;
  border-color: transparent transparent transparent #111827;
}

.floating-whatsapp-btn:hover .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}

/* Mobile responsive adjust */
@media (max-width: 768px) {
  .floating-whatsapp-btn {
    bottom: 18px;
    right: 18px;
    width: 52px;
    height: 52px;
  }
  .floating-whatsapp-btn svg {
    width: 28px;
    height: 28px;
  }
  .whatsapp-tooltip {
    display: none;
  }
}