/* ==========================================================================
   CLOUD CURRENT INTERNATIONAL LIMITED — MAIN APPLICATION STYLES
   Bespoke International Enterprise UI Architecture
   ========================================================================== */

/* 1. Announcement Bar */
.announcement-bar {
  background: linear-gradient(90deg, #070B14 0%, #0F1D38 50%, #070B14 100%);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.5rem 1rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-align: center;
  position: relative;
  z-index: 1001;
}

.announcement-bar a {
  color: var(--cyan);
  font-weight: 600;
  margin-left: 0.5rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 2. Navigation Header */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(7, 11, 20, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.site-header.is-scrolled {
  background: rgba(7, 11, 20, 0.94);
  border-bottom-color: rgba(0, 240, 255, 0.15);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.8);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
  transition: height var(--transition-normal);
}

.site-header.is-scrolled .nav-container {
  height: 68px;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo img {
  height: 48px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: #FFFFFF;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: #FFFFFF;
  padding: 0.5rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.mobile-drawer {
  display: none;
  position: fixed;
  top: 78px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(7, 11, 20, 0.98);
  backdrop-filter: blur(20px);
  padding: 2rem 1.5rem;
  flex-direction: column;
  gap: 1.5rem;
  z-index: 999;
  overflow-y: auto;
}

.mobile-drawer.is-open {
  display: flex;
}

.mobile-drawer .nav-link {
  font-size: 1.25rem;
  font-weight: 600;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

/* 3. Hero Section */
.hero-section {
  position: relative;
  padding-top: 5rem;
  padding-bottom: 7rem;
  overflow: hidden;
}

#heroCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: auto;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
  text-align: center;
  margin: 0 auto;
}

.hero-headline {
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-subhead {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  color: #94A3B8;
  max-width: 720px;
  margin: 0 auto 2.5rem auto;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Hero Telemetry Badges */
.hero-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero-badge-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 1rem;
  background: rgba(13, 21, 38, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.hero-badge-item svg {
  color: var(--cyan);
}

/* 4. Trust & Metrics Bar */
.trust-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 3rem 0;
  position: relative;
  z-index: 2;
}

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

.metric-card {
  text-align: center;
  padding: 1rem;
  position: relative;
}

.metric-card:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--border-subtle);
}

.metric-number {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #FFFFFF 40%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.metric-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* 5. Services Section */
.services-nav {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.service-tab-btn {
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-full);
  background: rgba(13, 21, 38, 0.6);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.service-tab-btn:hover {
  border-color: var(--border-glow);
  color: #FFFFFF;
}

.service-tab-btn.active {
  background: linear-gradient(135deg, var(--cyan-subtle) 0%, rgba(0, 102, 255, 0.2) 100%);
  border-color: var(--cyan);
  color: #FFFFFF;
  box-shadow: 0 0 15px var(--cyan-glow);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
}

.service-card {
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-card-top {
  margin-bottom: 1.5rem;
}

.service-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.12) 0%, rgba(0, 102, 255, 0.2) 100%);
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  margin-bottom: 1.5rem;
  transition: transform var(--transition-normal);
}

.service-card:hover .service-icon-box {
  transform: scale(1.1) rotate(5deg);
}

.service-title {
  font-size: 1.35rem;
  margin-bottom: 0.85rem;
}

.service-desc {
  font-size: 0.96rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.service-features-list {
  list-style: none;
  margin-bottom: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.service-feature-item {
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.service-feature-item svg {
  color: var(--cyan);
  flex-shrink: 0;
  margin-top: 3px;
}

.service-tech-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #94A3B8;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
}

/* 6. Why Cloud Current Pillars */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.why-card {
  padding: 2.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  position: relative;
  transition: all var(--transition-normal);
}

.why-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.why-number {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 1rem;
}

.why-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

/* 7. Process Timeline */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
  position: relative;
  margin-top: 3rem;
}

.process-step {
  position: relative;
  text-align: center;
  padding: 1.5rem 1rem;
}

.process-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 2px solid var(--cyan);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 auto 1.25rem auto;
  box-shadow: 0 0 15px var(--cyan-glow);
}

.process-step-title {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.process-step-desc {
  font-size: 0.85rem;
  line-height: 1.5;
}

/* 8. Portfolio Projects */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.portfolio-filter-btn {
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  background: rgba(13, 21, 38, 0.6);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.portfolio-filter-btn:hover,
.portfolio-filter-btn.active {
  background: var(--cyan);
  color: #03060E;
  border-color: var(--cyan);
  box-shadow: 0 0 15px var(--cyan-glow);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2.25rem;
}

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-thumbnail-wrapper {
  position: relative;
  overflow: hidden;
  height: 220px;
}

.project-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-thumbnail {
  transform: scale(1.05);
}

.project-category-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-subtle);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cyan);
}

.project-body {
  padding: 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.project-summary {
  font-size: 0.92rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.project-metrics {
  background: rgba(0, 0, 0, 0.25);
  border-left: 3px solid var(--cyan);
  padding: 0.75rem 1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 1.5rem;
}

.project-metric-item {
  font-size: 0.85rem;
  color: #E2E8F0;
  font-weight: 500;
}

/* 9. Technology Ecosystem */
.tech-matrix {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.tech-group-card {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
}

.tech-group-title {
  font-size: 1.15rem;
  color: var(--cyan);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-pill {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: #CBD5E1;
  transition: all var(--transition-fast);
}

.tech-pill:hover {
  background: var(--cyan-subtle);
  border-color: var(--border-glow);
  color: #FFFFFF;
}

/* 10. Industries Grid */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.industry-card {
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.industry-card:hover {
  border-color: var(--cyan);
  transform: translateY(-3px);
  background: rgba(19, 31, 56, 0.7);
}

.industry-icon {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.industry-name {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.industry-desc {
  font-size: 0.88rem;
  line-height: 1.5;
}

/* 11. Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-quote {
  font-size: 1rem;
  line-height: 1.7;
  color: #E2E8F0;
  margin-bottom: 2rem;
  font-style: italic;
  position: relative;
}

.testimonial-quote::before {
  content: '"';
  font-family: serif;
  font-size: 3rem;
  color: var(--cyan);
  opacity: 0.3;
  line-height: 0;
  vertical-align: -0.4em;
  margin-right: 0.25rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-info h4 {
  font-size: 1rem;
  color: #FFFFFF;
  margin-bottom: 0.2rem;
}

.author-info p {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* 12. Interactive Estimator */
.estimator-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glow);
  box-shadow: var(--shadow-glow);
  border-radius: var(--radius-xl);
  padding: 3rem;
}

.estimator-step-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.estimator-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.estimator-complexity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.estimator-option-item {
  padding: 1.25rem;
  border-radius: var(--radius-md);
  background: rgba(13, 21, 38, 0.8);
  border: 1px solid var(--border-card);
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
}

.estimator-option-item:hover {
  border-color: var(--border-glow);
}

.estimator-option-item.selected {
  background: var(--cyan-subtle);
  border-color: var(--cyan);
  box-shadow: 0 0 15px var(--cyan-glow);
}

.estimator-option-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #FFFFFF;
}

.estimator-result-box {
  background: rgba(7, 11, 20, 0.9);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  margin-top: 2rem;
}

.estimator-price-display {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--cyan);
  margin: 0.5rem 0 1rem 0;
}

/* 13. FAQ Accordion */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--cyan);
}

.faq-header {
  width: 100%;
  padding: 1.35rem 1.75rem;
  background: transparent;
  border: none;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 1.08rem;
  font-weight: 600;
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--cyan-subtle);
  color: var(--cyan);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-normal);
  padding: 0 1.75rem;
}

.faq-item.active .faq-body {
  max-height: 500px;
  padding: 0 1.75rem 1.75rem 1.75rem;
}

.faq-body p {
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.7;
}

/* 14. Floating WhatsApp Widget */
.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.whatsapp-button {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  transition: transform var(--transition-normal);
}

.whatsapp-button:hover {
  transform: scale(1.1);
}

.whatsapp-tooltip {
  background: rgba(13, 21, 38, 0.95);
  border: 1px solid var(--border-glow);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-full);
  color: #FFFFFF;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateX(-10px);
  transition: all var(--transition-normal);
  pointer-events: none;
}

.floating-whatsapp:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* 15. Mobile Action Bar */
.mobile-action-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(7, 11, 20, 0.95);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-subtle);
  padding: 0.75rem 1rem;
  z-index: 998;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.mobile-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
}

.mobile-action-btn svg {
  width: 20px;
  height: 20px;
}

.mobile-action-btn.active-cta {
  color: var(--cyan);
}

/* 16. Footer */
.site-footer {
  background: var(--bg-darkest);
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2rem 0;
  position: relative;
  z-index: 2;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  font-size: 0.92rem;
  line-height: 1.7;
  margin: 1.25rem 0 1.75rem 0;
  max-width: 340px;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links-list a {
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-links-list a:hover {
  color: var(--cyan);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.footer-contact-item svg {
  color: var(--cyan);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn-outline-cyan {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .mobile-action-bar {
    display: grid;
  }
  body {
    padding-bottom: 60px; /* offset for mobile action bar */
  }
  .floating-whatsapp {
    bottom: 4.8rem;
    left: 1.25rem;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .metric-card:not(:last-child)::after {
    display: none;
  }
  .section {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
  .estimator-card {
    padding: 1.5rem;
  }
}