/* CSS Components: Buttons, Cards, Accordions, Forms, Testimonials, Loaders */

/* 1. Page Loader / Preloader */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.preloader.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-spinner {
  position: relative;
  width: 60px;
  height: 60px;
}

.preloader-spinner::before, .preloader-spinner::after {
  content: '';
  position: absolute;
  border-radius: var(--radius-full);
  width: 100%;
  height: 100%;
  border: 4px solid transparent;
  border-top-color: var(--accent-cyan);
  animation: spin 1s linear infinite;
}

.preloader-spinner::after {
  width: 80%;
  height: 80%;
  top: 10%;
  left: 10%;
  border-top-color: var(--accent-purple);
  animation: spin-reverse 1.2s linear infinite;
}

.preloader-text {
  margin-top: var(--space-md);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* 2. Premium Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  position: relative;
  overflow: hidden;
  gap: var(--space-xs);
  cursor: pointer;
}

.btn-primary {
  background: var(--grad-cyan-purple);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(59, 91, 219, 0.18);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 91, 219, 0.3);
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  background: var(--card-bg-hover);
  border-color: var(--accent-cyan);
}

.btn-text {
  padding: 8px 0;
  color: var(--accent-cyan);
  font-weight: 600;
  gap: var(--space-xxs);
}

.btn-text:hover {
  color: var(--accent-purple);
}

.btn-text svg {
  transition: transform var(--transition-fast);
}

.btn-text:hover svg {
  transform: translateX(4px);
}

/* 3. Cards & Glassmorphism */
.glass-card {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-normal), background-color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-5px);
  background: var(--card-bg-hover);
  border-color: var(--border-medium);
  box-shadow: var(--card-shadow-hover);
}

/* Service Card specifics */
.service-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--accent-cyan);
  border: 1px solid var(--border-light);
  transition: transform var(--transition-bounce), background var(--transition-fast), color var(--transition-fast);
}

.service-card:hover .service-icon-wrapper {
  transform: scale(1.1) rotate(5deg);
  background: var(--grad-cyan-purple);
  color: #ffffff;
  border-color: transparent;
}

.service-icon-wrapper svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.service-title {
  font-size: var(--text-md);
  margin-bottom: var(--space-xs);
}

.service-link {
  margin-top: auto;
}

/* 4. Portfolio Filters and Cards */
.portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
}

.filter-btn {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  color: #ffffff;
  background: var(--grad-cyan-purple);
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(59, 91, 219, 0.22);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

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

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

.portfolio-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}

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

.portfolio-card:hover .portfolio-img {
  transform: scale(1.05);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(4, 8, 20, 0.9) 0%, rgba(4, 8, 20, 0.4) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-md);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: 2;
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-tags {
  display: flex;
  gap: var(--space-xxs);
  margin-bottom: var(--space-xs);
}

.portfolio-tag {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  color: #b9c7ff;
  background: rgba(116, 143, 252, 0.15);
  padding: 3px 8px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(116, 143, 252, 0.25);
}

.portfolio-proj-title {
  font-size: var(--text-md);
  color: #ffffff;
  margin-bottom: var(--space-xxs);
}

.portfolio-proj-desc {
  font-size: var(--text-xs);
  color: #cbd5e1;
}

/* 5. Statistics Counters */
.stat-card {
  text-align: center;
  padding: var(--space-md);
}

.stat-number {
  font-size: var(--text-3xl);
  font-weight: 800;
  font-family: var(--font-heading);
  background: var(--grad-cyan-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-xs);
  display: inline-block;
}

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

/* 6. Testimonial Slides */
.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

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

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

.testimonial-rating {
  display: flex;
  gap: 3px;
  color: #fbbf24;
  margin-bottom: var(--space-sm);
}

.testimonial-rating svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.testimonial-text {
  font-style: italic;
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 2px solid var(--border-medium);
}

.testimonial-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.testimonial-role {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

/* 7. FAQ Accordion */
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 800px;
  margin: 0 auto;
}

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

.accordion-item:hover {
  border-color: var(--border-medium);
  background: var(--card-bg-hover);
}

.accordion-header {
  width: 100%;
  padding: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.accordion-icon {
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
  transition: transform var(--transition-normal), color var(--transition-normal);
  flex-shrink: 0;
}

.accordion-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Open accordion states */
.accordion-item.active {
  border-color: var(--accent-cyan);
}

.accordion-item.active .accordion-header {
  color: var(--accent-cyan);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
  color: var(--accent-cyan);
}

/* Smooth expansion mechanism using grid-template-rows */
.accordion-content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-normal);
}

.accordion-item.active .accordion-content {
  grid-template-rows: 1fr;
}

.accordion-content-inner {
  overflow: hidden;
  padding: 0 var(--space-md) var(--space-md) var(--space-md);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* 8. Contact Form and Details */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: var(--space-xxl);
  }
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.contact-info-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.contact-info-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.contact-info-details h4 {
  font-size: var(--text-sm);
  margin-bottom: var(--space-xxs);
}

.contact-info-details p {
  font-size: var(--text-sm);
  margin-bottom: 0;
}

.contact-map-wrapper {
  margin-top: var(--space-md);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  height: 200px;
  position: relative;
  background: var(--bg-tertiary);
}

.contact-map-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  font-size: var(--text-xs);
  text-align: center;
  padding: var(--space-md);
}

.contact-map-placeholder svg {
  width: 32px;
  height: 32px;
  margin-bottom: var(--space-xs);
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
}

.contact-form-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  position: relative;
  margin-bottom: var(--space-md);
}

.form-input, .form-textarea {
  width: 100%;
  padding: 14px;
  border-radius: var(--radius-md);
  background: var(--input-bg);
  border: 1px solid var(--border-medium);
  font-size: var(--text-sm);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Floating label pattern implementation */
.form-label {
  position: absolute;
  left: 14px;
  top: 14px;
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  pointer-events: none;
  transition: transform var(--transition-fast), font-size var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
  transform-origin: left top;
}

/* Active or filled input triggers label lift */
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label,
.form-textarea:focus ~ .form-label,
.form-textarea:not(:placeholder-shown) ~ .form-label {
  transform: translateY(-24px) scale(0.85);
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Browser/password-manager autofill can fill a field without updating
   :placeholder-shown, which left the label overlapping the value.
   Keep these as separate rules: an unsupported selector in a list would
   invalidate the whole list. */
.form-input:-webkit-autofill ~ .form-label {
  transform: translateY(-24px) scale(0.85);
  color: var(--accent-cyan);
  font-weight: 600;
}

.form-input:autofill ~ .form-label {
  transform: translateY(-24px) scale(0.85);
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Keep autofilled fields on the site palette instead of the browser's
   default yellow/blue fill, so the value stays readable in the card. */
.form-input:-webkit-autofill,
.form-input:-webkit-autofill:hover,
.form-input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--text-primary);
  -webkit-box-shadow: 0 0 0 1000px var(--input-bg) inset;
  box-shadow: 0 0 0 1000px var(--input-bg) inset;
  caret-color: var(--text-primary);
  transition: background-color 9999s ease-out 0s;
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(59, 91, 219, 0.12);
}

/* Focus ring must win over the autofill inset fill */
.form-input:-webkit-autofill:focus {
  border-color: var(--accent-cyan);
  -webkit-box-shadow: 0 0 0 3px rgba(59, 91, 219, 0.12), 0 0 0 1000px var(--input-bg) inset;
  box-shadow: 0 0 0 3px rgba(59, 91, 219, 0.12), 0 0 0 1000px var(--input-bg) inset;
}

/* Form success alert popup */
.form-alert {
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  display: none;
  animation: slide-in 0.3s ease;
}

.form-alert.success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #10b981;
  display: block;
}

.form-alert.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #ef4444;
  display: block;
}

/* Neutral service notice (e.g. sign-in temporarily paused) */
.form-alert.notice {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: #b45309;
  display: block;
}

/* Inline submit-button spinner (auth forms) */
.btn-spinner {
  display: inline-block;
  width: 1em;
  height: 1em;
  margin-right: 0.55em;
  vertical-align: -0.15em;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn-loading {
  cursor: progress;
}

@media (prefers-reduced-motion: reduce) {
  .btn-spinner {
    animation-duration: 1.6s;
  }
}

/* Inline confirmation note under the footer newsletter form */
.newsletter-note {
  font-size: var(--text-xs);
  color: var(--accent-cyan);
  margin: var(--space-xs) 0 0 0;
}

/* 9. Scroll-to-Top Button */
.scroll-top-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--grad-cyan-purple);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  z-index: 98;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.8);
  transition: transform var(--transition-fast), opacity var(--transition-fast), visibility var(--transition-fast);
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.scroll-top-btn:hover {
  transform: scale(1.08) translateY(-2px);
}

.scroll-top-btn svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
}

/* 10. Illustration / Image blocks */
.img-frame {
  display: block;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  background: #eef1fb;
}

.img-frame img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

.img-frame:hover img {
  transform: scale(1.03);
}

/* Card thumbnail (used on portfolio/work cards) */
.card-thumb {
  margin: calc(var(--space-lg) * -1) calc(var(--space-lg) * -1) var(--space-md) calc(var(--space-lg) * -1);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  border-bottom: 1px solid var(--border-light);
  overflow: hidden;
  background: #eef1fb;
}

.card-thumb img {
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

.glass-card:hover .card-thumb img {
  transform: scale(1.04);
}

/* Animations for loader & floating labels */
@keyframes spin {
  100% { transform: rotate(360deg); }
}
@keyframes spin-reverse {
  100% { transform: rotate(-360deg); }
}
@keyframes slide-in {
  from { transform: translateY(10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* 11. Case-study cards (Work page) */
.case-list {
  scroll-margin-top: 120px;
  display: flex;
  flex-direction: column;
  gap: var(--space-xxl);
}

.case-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
  scroll-margin-top: 120px;
}

@media (min-width: 900px) {
  .case-card {
    grid-template-columns: 5fr 6fr;
    gap: var(--space-xl);
  }

  .case-card.reverse .case-media {
    order: 2;
  }
}

.case-title {
  font-size: var(--text-xl);
  margin: var(--space-sm) 0;
}

.case-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

@media (max-width: 520px) {
  .case-facts {
    grid-template-columns: 1fr;
  }
}

.case-fact {
  padding: var(--space-sm);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
  background: var(--card-bg);
}

.case-fact h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-xxs);
}

.case-fact p {
  font-size: var(--text-sm);
  margin: 0;
}

/* 12. Chips / tag pills */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-medium);
  background: var(--card-bg);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
}

.chip-accent {
  border-color: transparent;
  background: var(--grad-cyan-purple);
  color: #ffffff;
}

a.chip {
  text-decoration: none;
  transition: border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

a.chip:hover,
a.chip:focus-visible {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

a.chip:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

a.chip-accent:hover,
a.chip-accent:focus-visible {
  color: #ffffff;
  border-color: transparent;
  box-shadow: var(--card-shadow);
}

/* Anchored cards shouldn't hide behind the fixed header */
.glass-card[id] {
  scroll-margin-top: 120px;
}

/* 13. Process timeline (About page) */
.timeline {
  position: relative;
  max-width: 800px;
  margin: var(--space-xl) auto 0 auto;
  padding-left: var(--space-lg);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: var(--border-medium);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-xl);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: var(--radius-full);
  background: var(--bg-primary);
  border: 3px solid var(--accent-cyan);
  z-index: 2;
}

.timeline-item:hover::before {
  border-color: var(--accent-purple);
}

.timeline-step {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: var(--space-xxs);
}

.timeline-title {
  font-size: var(--text-md);
  margin-bottom: var(--space-xs);
}

.timeline-desc {
  font-size: var(--text-sm);
}

/* Current-stage highlight */
.timeline-item.is-current::before {
  background: var(--accent-purple);
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 5px rgba(95, 61, 196, 0.18);
}

.timeline-current-badge {
  display: inline-block;
  margin-left: var(--space-xxs);
  padding: 2px 10px;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #ffffff;
  background: var(--accent-purple);
  border-radius: var(--radius-full);
  vertical-align: middle;
}

/* 14. Auth pages (login / signup / account) */
.auth-card {
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
}

.auth-card .btn-submit {
  margin-top: var(--space-xs);
}

.form-input.has-toggle {
  padding-right: 52px;
}

.password-toggle {
  position: absolute;
  top: 26px;
  right: 8px;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.password-toggle:hover,
.password-toggle:focus-visible {
  color: var(--accent-cyan);
  background: var(--bg-tertiary);
}

.password-toggle svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.auth-alt {
  margin: var(--space-md) 0 0 0;
  text-align: center;
  font-size: var(--text-sm);
}

.auth-alt a {
  color: var(--accent-cyan);
  font-weight: 600;
}

.auth-alt a:hover {
  color: var(--accent-purple);
}

.form-hint {
  display: block;
  margin: calc(-1 * var(--space-xs)) 0 var(--space-md) 0;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

/* Account page detail rows */
.account-rows {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.account-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  font-size: var(--text-sm);
}

.account-row dt {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
}

.account-row dd {
  margin: 0;
  font-weight: 600;
  color: var(--text-primary);
  overflow-wrap: anywhere;
  text-align: right;
}

/* 15. Post-signup verification modal */
body.modal-open {
  overflow: hidden;
}

.verify-modal-overlay[hidden] {
  display: none;
}

.verify-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm);
  background: rgba(16, 19, 31, 0.55);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.verify-modal-overlay.is-open {
  opacity: 1;
}

.verify-modal {
  position: relative;
  width: 100%;
  max-width: 440px;
  max-height: calc(100vh - 2 * var(--space-sm));
  overflow-y: auto;
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
  text-align: center;
  box-shadow: 0 24px 64px rgba(16, 19, 31, 0.28);
  transform: translateY(16px) scale(0.96);
  transition: transform var(--transition-bounce);
  outline: none;
}

.verify-modal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--grad-cyan-purple);
}

.verify-modal-overlay.is-open .verify-modal {
  transform: translateY(0) scale(1);
}

.verify-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--text-tertiary);
  background: transparent;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.verify-modal-close:hover,
.verify-modal-close:focus-visible {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.verify-modal-close svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

.verify-modal-icon {
  position: relative;
  width: 76px;
  height: 76px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--grad-cyan-purple);
  box-shadow: 0 10px 26px rgba(59, 91, 219, 0.35);
  animation: verify-icon-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  animation-delay: 0.1s;
}

.verify-modal-icon > svg {
  width: 38px;
  height: 38px;
  fill: none;
  stroke: #ffffff;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.verify-modal-check {
  position: absolute;
  right: -8px;
  bottom: -8px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: #12b76a;
  border: 3px solid var(--card-bg);
  box-shadow: 0 4px 12px rgba(18, 183, 106, 0.4);
  animation: verify-icon-pop 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  animation-delay: 0.35s;
}

.verify-modal-check svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: #ffffff;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@keyframes verify-icon-pop {
  from { transform: scale(0); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.verify-modal-title {
  margin: 0 0 var(--space-xs);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.verify-modal-desc {
  margin: 0 0 var(--space-md);
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--text-secondary);
}

.verify-modal-desc strong {
  color: var(--accent-cyan);
  overflow-wrap: anywhere;
}

.verify-modal-note {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
  padding: var(--space-sm);
  text-align: left;
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
}

.verify-modal-note svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 2px;
  fill: none;
  stroke: var(--accent-cyan);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.verify-modal-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

@media (prefers-reduced-motion: reduce) {
  .verify-modal-overlay,
  .verify-modal {
    transition: none;
  }
  .verify-modal-icon,
  .verify-modal-check {
    animation: none;
  }
}

/* 16. Team section (about page) */
.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

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

@media (min-width: 1024px) {
  .team-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
  }
}

.team-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-lg) var(--space-md);
}

.team-avatar {
  width: 84px;
  height: 84px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #ffffff;
  background: var(--grad-cyan-purple);
  box-shadow: 0 6px 18px rgba(59, 91, 219, 0.25);
  margin-bottom: var(--space-sm);
  user-select: none;
}

.team-card:nth-child(2) .team-avatar { background: var(--grad-cyan-blue); }
.team-card:nth-child(3) .team-avatar { background: var(--grad-purple-pink); }
.team-card:nth-child(4) .team-avatar { background: linear-gradient(135deg, #1c3faa 0%, #5f3dc4 100%); }

/* Photo avatars: the gradient stays visible as a fallback while the image loads */
.team-avatar {
  overflow: hidden;
}

.team-avatar img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-full);
}

.team-name {
  font-family: var(--font-heading);
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xxs);
}

.team-role {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: var(--space-sm);
}

.team-bio {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

.team-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xxs);
  margin-top: var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--accent-cyan);
}

.team-link:hover {
  color: var(--accent-purple);
}

.team-link svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

/* 17. Compute page: hardware matrix & anchored sections */
.section[id] {
  scroll-margin-top: 90px;
}

.hw-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  box-shadow: var(--card-shadow);
}

.hw-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.hw-table th {
  text-align: left;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  background: var(--bg-tertiary);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border-medium);
}

.hw-table td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
  color: var(--text-secondary);
}

.hw-table tbody tr:last-child td {
  border-bottom: none;
}

.hw-table td:first-child {
  font-weight: 600;
  color: var(--text-primary);
}