/* ==========================================================================
   COMPUTER CITE - COMPONENTS STYLES
   ========================================================================== */

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: -0.01em;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1px solid transparent;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--color-accent-glow);
}

.btn-secondary {
  background-color: var(--color-dark-surface-2);
  color: #ffffff;
  border-color: var(--color-border-dark);
}
.btn-secondary:hover {
  background-color: var(--color-dark-surface-3);
  border-color: var(--color-text-white);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: inherit;
  border-color: currentColor;
}
.btn-outline:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-ghost {
  background-color: transparent;
  color: inherit;
  padding: 10px 16px;
}
.btn-ghost:hover {
  color: var(--color-accent);
}

.btn-pill {
  border-radius: 9999px;
  padding: 12px 24px;
}

.btn-lg {
  padding: 18px 36px;
  font-size: var(--text-base);
}

.btn-sm {
  padding: 8px 16px;
  font-size: var(--text-xs);
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: var(--z-header);
  background-color: rgba(13, 13, 14, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border-dark-subtle);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  height: var(--header-height-scrolled);
  background-color: rgba(13, 13, 14, 0.92);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  border-bottom-color: var(--color-border-dark);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header-brand {
  display: flex;
  align-items: center;
  z-index: 10;
}

.header-brand img {
  height: 32px;
  width: auto;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 10px + 1vw, 36px);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-light-gray);
  padding: 8px 4px;
  display: flex;
  align-items: center;
  gap: 6px;
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav-link .arrow-icon {
  width: 10px;
  height: 10px;
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link .arrow-icon {
  transform: rotate(180deg);
}

/* Mega Menu Dropdown */
.nav-item {
  position: relative;
}

.megamenu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  width: min(92vw, 1040px);
  background: var(--color-dark-surface);
  border: 1px solid var(--color-border-dark);
  border-radius: 8px;
  padding: 32px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--transition-base);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  z-index: var(--z-modal);
}

.nav-item:hover .megamenu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.megamenu-column-title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted-light);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border-dark);
}

.megamenu-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.megamenu-item {
  display: flex;
  flex-direction: column;
  padding: 8px;
  border-radius: 6px;
  transition: background var(--transition-fast);
}

.megamenu-item:hover {
  background: var(--color-dark-surface-2);
}

.megamenu-item-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.megamenu-item:hover .megamenu-item-title {
  color: var(--color-accent);
}

.megamenu-item-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted-light);
  margin-top: 4px;
}

/* Header Action Buttons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 100;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #ffffff;
  transition: all var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}
.mobile-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 1080px) {
  .header-nav { display: none; }
  .mobile-toggle { display: flex; }
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(85vw, 400px);
  height: 100vh;
  background: var(--color-dark-surface);
  border-left: 1px solid var(--color-border-dark);
  padding: 80px 24px 32px;
  z-index: var(--z-drawer);
  overflow-y: auto;
  transition: right var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mobile-drawer.open {
  right: 0;
}

.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: calc(var(--z-drawer) - 1);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-nav-item {
  border-bottom: 1px solid var(--color-border-dark);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  font-size: var(--text-md);
  font-weight: 700;
  color: #ffffff;
}

.mobile-submenu {
  display: none;
  flex-direction: column;
  gap: 12px;
  padding: 0 0 16px 12px;
}

.mobile-submenu.open {
  display: flex;
}

.mobile-submenu a {
  font-size: var(--text-sm);
  color: var(--color-text-muted-light);
}

/* --------------------------------------------------------------------------
   Partner & Client Marquee
   -------------------------------------------------------------------------- */
.marquee-container {
  overflow: hidden;
  position: relative;
  width: 100%;
  padding: 24px 0;
  border-top: 1px solid var(--color-border-dark);
  border-bottom: 1px solid var(--color-border-dark);
  background: var(--color-dark-surface);
}

.marquee-container::before, .marquee-container::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: clamp(40px, 8vw, 120px);
  z-index: 2;
  pointer-events: none;
}
.marquee-container::before {
  left: 0;
  background: linear-gradient(to right, var(--color-dark-surface), transparent);
}
.marquee-container::after {
  right: 0;
  background: linear-gradient(to left, var(--color-dark-surface), transparent);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: clamp(40px, 5vw, 80px);
  width: max-content;
  animation: marquee 30s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee-item {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  opacity: 0.65;
  filter: grayscale(1);
  transition: all var(--transition-fast);
}

.marquee-item:hover {
  opacity: 1;
  filter: grayscale(0);
}

.marquee-item img, .marquee-item svg {
  height: 32px;
  width: auto;
}

/* --------------------------------------------------------------------------
   Cards & Content Blocks
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-dark-surface);
  border: 1px solid var(--color-border-dark);
  border-radius: 8px;
  padding: clamp(24px, 16px + 1vw, 36px);
  position: relative;
  transition: all var(--transition-base);
  overflow: hidden;
}

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

.theme-light .card {
  background: var(--color-light-surface);
  border-color: var(--color-border-light);
}

.theme-light .card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.card-number {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: 12px;
}

.card-title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: 12px;
}

.card-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted-light);
  line-height: 1.6;
}

.theme-light .card-desc {
  color: var(--color-text-muted-dark);
}

/* Feature Grid with Hairline Dividers */
.hairline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--color-border-dark);
  background-color: var(--color-border-dark);
  gap: 1px;
}

.hairline-cell {
  background-color: var(--color-dark-surface);
  padding: clamp(24px, 20px + 1vw, 40px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: background-color var(--transition-fast);
}

.hairline-cell:hover {
  background-color: var(--color-dark-surface-2);
}

@media (max-width: 1024px) {
  .hairline-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .hairline-grid { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   Testimonials Slider
   -------------------------------------------------------------------------- */
.testimonial-card {
  background: var(--color-light-surface);
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
  padding: clamp(28px, 20px + 1vw, 44px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  transition: transform var(--transition-base);
}

.testimonial-quote {
  font-size: var(--text-md);
  line-height: 1.65;
  color: var(--color-text-dark);
  font-weight: 400;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border-light);
}

.testimonial-avatar {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-accent);
}

.testimonial-meta h5 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text-dark);
}

.testimonial-meta p {
  font-size: var(--text-xs);
  color: var(--color-text-muted-dark);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   FAQ Accordion
   -------------------------------------------------------------------------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--color-border-dark);
  border-radius: 6px;
  background: var(--color-dark-surface);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

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

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(18px, 14px + 0.5vw, 24px);
  background: none;
  border: none;
  font-size: var(--text-base);
  font-weight: 700;
  color: #ffffff;
  cursor: pointer;
  text-align: left;
}

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
  padding: 0 clamp(18px, 14px + 0.5vw, 24px);
  color: var(--color-text-muted-light);
  font-size: var(--text-sm);
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  padding-bottom: 24px;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: #080809;
  color: var(--color-text-white);
  padding-top: clamp(60px, 40px + 3vw, 100px);
  padding-bottom: 40px;
  border-top: 1px solid var(--color-border-dark);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: clamp(24px, 20px + 2vw, 48px);
  margin-bottom: clamp(48px, 32px + 2vw, 80px);
}

@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .footer-top { grid-template-columns: 1fr; }
}

.footer-brand p {
  color: var(--color-text-muted-light);
  font-size: var(--text-sm);
  margin-top: 16px;
  max-width: 320px;
}

.footer-col-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted-light);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--color-border-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: var(--text-xs);
  color: var(--color-text-muted-light);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}