/* ================================================================
   NETROFUSION LABS — UI Component Library
   Cards, Buttons, Badges, Forms, Stats, Testimonials, etc.
   ================================================================ */

/* ── Gradient Text ── */
.nf-gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Section Headers ── */
.nf-section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.nf-section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--nf-cyan);
  margin-bottom: var(--space-3);
}

.nf-section-label--violet { color: var(--nf-violet); }
.nf-section-label--blue { color: var(--nf-blue); }

.nf-section-label__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s ease-in-out infinite;
}

.nf-section-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.025em;
  line-height: 1.2;
}

@media (min-width: 768px) {
  .nf-section-title { font-size: var(--text-4xl); }
}

.nf-section-desc {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 640px;
  margin: var(--space-4) auto 0;
  line-height: 1.7;
}

.nf-section-bar {
  width: 48px;
  height: 2px;
  background: var(--gradient-brand-h);
  border-radius: 1px;
  margin: var(--space-6) auto 0;
}

/* ── Buttons ── */
.nf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-out);
  white-space: nowrap;
  line-height: 1;
  text-align: center;
}

.nf-btn--primary {
  background: var(--text-primary);
  color: var(--text-inverse);
  border: 1px solid var(--text-primary);
}

.nf-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.12);
}

.nf-btn--gradient {
  background: var(--gradient-brand-h);
  color: white;
  border: none;
}

.nf-btn--gradient:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-v);
}

.nf-btn--secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}

.nf-btn--secondary:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.03);
}

.nf-btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  padding: 10px 20px;
}

.nf-btn--ghost:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.nf-btn--sm {
  font-size: var(--text-xs);
  padding: 8px 18px;
}

.nf-btn--lg {
  font-size: var(--text-base);
  padding: 16px 36px;
}

.nf-btn svg {
  width: 16px;
  height: 16px;
}

/* ── Cards ── */
.nf-card {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out),
              border-color var(--duration-normal);
}

.nf-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-default);
}

.nf-card__accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-brand-h);
}

.nf-card--glass {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nf-card--interactive {
  cursor: pointer;
}

.nf-card--flat {
  background: transparent;
  border-color: transparent;
  padding: var(--space-6);
}

.nf-card--flat:hover {
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--border-subtle);
}

/* ── Icon Containers ── */
.nf-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.15);
  color: var(--nf-violet);
}

.nf-icon-box--cyan {
  background: rgba(6, 182, 212, 0.08);
  border-color: rgba(6, 182, 212, 0.15);
  color: var(--nf-cyan);
}

.nf-icon-box--blue {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.15);
  color: var(--nf-blue);
}

.nf-icon-box--magenta {
  background: rgba(217, 70, 239, 0.08);
  border-color: rgba(217, 70, 239, 0.15);
  color: var(--nf-magenta);
}

.nf-icon-box--emerald {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.15);
  color: var(--nf-emerald);
}

.nf-icon-box--red {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.15);
  color: var(--nf-red);
}

.nf-icon-box--orange {
  background: rgba(249, 115, 22, 0.08);
  border-color: rgba(249, 115, 22, 0.15);
  color: var(--nf-orange);
}

.nf-icon-box--yellow {
  background: rgba(234, 179, 8, 0.08);
  border-color: rgba(234, 179, 8, 0.15);
  color: var(--nf-yellow);
}

.nf-icon-box--slate {
  background: rgba(100, 116, 139, 0.08);
  border-color: rgba(100, 116, 139, 0.15);
  color: var(--nf-slate);
}

.nf-icon-box--lg {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
}

.nf-icon-box svg {
  width: 22px;
  height: 22px;
}

/* ── Badges / Pills ── */
.nf-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-default);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
}

.nf-badge--accent {
  border-color: rgba(139, 92, 246, 0.25);
  background: rgba(139, 92, 246, 0.06);
  color: var(--nf-violet);
}

.nf-badge--cyan {
  border-color: rgba(6, 182, 212, 0.25);
  background: rgba(6, 182, 212, 0.06);
  color: var(--nf-cyan);
}

.nf-badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s ease-in-out infinite;
}

/* ── Tech Stack Tags ── */
.nf-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--surface-3);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

/* ── Stats Counter ── */
.nf-hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  max-width: 750px;
  margin: 0 auto;
  padding-top: var(--space-10);
  border-top: 1px solid var(--border-subtle);
}

.nf-stat {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.nf-stat__number-container {
  display: inline-flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.nf-stat__value {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}

.nf-stat__suffix {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}

.nf-stat__label {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: var(--space-2);
  display: block;
}

/* Responsive grid and typography for stats */
@media (max-width: 768px) {
  .nf-hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8) var(--space-6);
  }
  .nf-stat__value {
    font-size: var(--text-3xl);
  }
  .nf-stat__suffix {
    font-size: var(--text-xl);
  }
}

@media (max-width: 480px) {
  .nf-hero-stats {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .nf-stat__value {
    font-size: var(--text-2xl);
  }
  .nf-stat__suffix {
    font-size: var(--text-lg);
  }
}

/* ── Trust Bar ── */
.nf-trust-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-8);
  padding: var(--space-4) 0;
  opacity: 0.4;
  filter: grayscale(1) brightness(2);
  transition: all var(--duration-normal);
}

.nf-trust-bar:hover {
  opacity: 0.6;
  filter: grayscale(0.5) brightness(1.5);
}

.nf-trust-bar__item {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

/* ── Testimonial Card ── */
.nf-testimonial {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.nf-testimonial__quote {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-6);
  font-style: italic;
}

.nf-testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nf-testimonial__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-sm);
  color: white;
  flex-shrink: 0;
}

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

.nf-testimonial__role {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

/* ── Process Timeline ── */
.nf-timeline {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 1024px) {
  .nf-timeline {
    grid-template-columns: repeat(4, 1fr);
  }
}

.nf-timeline__step {
  position: relative;
}

.nf-timeline__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.nf-timeline__title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.nf-timeline__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── Form Elements ── */
.nf-form-group {
  margin-bottom: var(--space-6);
}

.nf-form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.nf-form-input {
  width: 100%;
  padding: 14px 18px;
  background: var(--surface-3);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-sm);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
  outline: none;
}

.nf-form-input:focus {
  border-color: var(--nf-violet);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.12);
}

.nf-form-input::placeholder {
  color: var(--text-muted);
}

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

.nf-form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* ── Feature List ── */
.nf-feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.nf-feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.nf-feature-check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--nf-violet);
}

.nf-feature-check svg {
  width: 10px;
  height: 10px;
}

/* ── CTA Banner ── */
.nf-cta-banner {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-12) var(--space-8);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.nf-cta-banner__bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-mesh);
  opacity: 0.5;
  pointer-events: none;
}

.nf-cta-banner__content {
  position: relative;
  z-index: 2;
}

.nf-cta-banner__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

@media (min-width: 768px) {
  .nf-cta-banner__title { font-size: var(--text-3xl); }
}

.nf-cta-banner__desc {
  font-size: var(--text-base);
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto var(--space-8);
  line-height: 1.7;
}

/* ── Team Card ── */
.nf-team-card {
  text-align: center;
  padding: var(--space-8);
}

.nf-team-card__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  font-weight: 800;
  color: white;
  margin: 0 auto var(--space-4);
}

.nf-team-card__name {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.nf-team-card__role {
  font-size: var(--text-sm);
  color: var(--nf-violet);
  font-weight: 500;
}

.nf-team-card__bio {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: var(--space-3);
  line-height: 1.7;
}

/* ── Blog Card ── */
.nf-blog-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal);
}

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

.nf-blog-card__img {
  height: 200px;
  background: var(--gradient-subtle);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nf-blog-card__img-icon {
  width: 48px;
  height: 48px;
  opacity: 0.3;
  color: var(--text-primary);
}

.nf-blog-card__body {
  padding: var(--space-6);
}

.nf-blog-card__category {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--nf-violet);
  margin-bottom: var(--space-2);
}

.nf-blog-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.nf-blog-card__excerpt {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.nf-blog-card__meta {
  font-size: var(--text-xs);
  color: var(--text-muted);
  display: flex;
  gap: var(--space-3);
}

/* ── Job Card ── */
.nf-job-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-fast);
  flex-wrap: wrap;
}

.nf-job-card:hover {
  border-color: var(--border-default);
}

.nf-job-card__title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
}

.nf-job-card__meta {
  display: flex;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-top: var(--space-1);
}

/* ── Grid Utilities ── */
.nf-grid {
  display: grid;
  gap: var(--space-6);
}

.nf-grid--2 { grid-template-columns: 1fr; }
.nf-grid--3 { grid-template-columns: 1fr; }
.nf-grid--4 { grid-template-columns: 1fr; }

@media (min-width: 768px) {
  .nf-grid--2 { grid-template-columns: repeat(2, 1fr); }
  .nf-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .nf-grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .nf-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .nf-grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* ── Spacing Utilities ── */
.nf-py-section { padding-top: 80px; padding-bottom: 80px; }
@media (min-width: 768px) {
  .nf-py-section { padding-top: 120px; padding-bottom: 120px; }
}

.nf-mt-8 { margin-top: var(--space-8); }
.nf-mb-6 { margin-bottom: var(--space-6); }
.nf-mb-8 { margin-bottom: var(--space-8); }
.nf-mb-16 { margin-bottom: var(--space-16); }

.nf-text-center { text-align: center; }

/* ── Divider ── */
.nf-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: var(--space-16) 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}