/* ============================================================
   Ni Source Technologies — Component Styles
   ============================================================ */

/* ─── Navigation ──────────────────────────────────────────── */
.nis-nav {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--trans-slow), box-shadow var(--trans-slow), height var(--trans-base);
  
  /* GPU acceleration hacks to prevent backdrop-filter flickering on scroll */
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.nis-nav.nav-transparent { background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; border: none; box-shadow: none; }

.nis-nav.nav-scrolled {
  background: rgba(10, 15, 30, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  border-block-end: 1px solid rgba(255, 255, 255, 0.06);
  height: var(--nav-height-sm);
}

.nis-nav.nav-light-scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  border-block-end: 1px solid var(--color-border);
}

.nav-inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  text-decoration: none;
}

/* Image-based logo */
.nav-logo-img {
  height: 64px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: block;
  transition: transform var(--trans-base), opacity var(--trans-base);
}

.nav-logo:hover .nav-logo-img {
  transform: scale(1.04);
  opacity: 0.9;
}

.nav-logo-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: var(--fw-black);
  font-size: 1.1rem;
  color: white;
  letter-spacing: -0.02em;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px var(--color-primary-glow);
  transition: transform var(--trans-base), box-shadow var(--trans-base);
}

.nav-logo-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 60%);
}

.nav-logo:hover .nav-logo-icon {
  transform: scale(1.05) rotate(-3deg);
  box-shadow: 0 8px 30px var(--color-primary-glow);
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.nav-logo-title {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  font-size: 1rem;
  color: white;
  letter-spacing: -0.01em;
}

.nav-light-scrolled .nav-logo-title { color: var(--color-dark); }

.nav-logo-subtitle {
  font-size: 0.65rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

.nav-light-scrolled .nav-logo-subtitle { color: var(--color-text-muted); }

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav-link {
  position: relative;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--trans-fast), background var(--trans-fast);
  text-decoration: none;
}

.nav-light-scrolled .nav-link { color: var(--color-text-secondary); }

.nav-link:hover,
.nav-link.active {
  color: white;
  background: rgba(255, 255, 255, 0.08);
}

.nav-light-scrolled .nav-link:hover,
.nav-light-scrolled .nav-link.active {
  color: var(--color-primary);
  background: var(--color-primary-pale);
}

.nav-link::after {
  content: '';
  position: absolute;
  inset-block-end: -2px;
  inset-inline: 50%;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: inset-inline var(--trans-base);
}

.nav-link:where(:hover, .active)::after {
  inset-inline: var(--space-4);
}

/* Nav CTA */
.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: background var(--trans-fast);
}

.nav-toggle:hover { background: rgba(255, 255, 255, 0.15); }

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: white;
  border-radius: var(--radius-full);
  transition: transform var(--trans-base), opacity var(--trans-fast);
}

.nav-toggle.open span:first-child { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:last-child  { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav Overlay */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-nav) - 1);
  background: rgba(10, 15, 30, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-block: 6rem 5rem;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--trans-slow), visibility var(--trans-slow);
}

.mobile-nav > nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  width: 100%;
  padding-inline: var(--space-6);
}

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

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: white;
  text-decoration: none;
  transition: color var(--trans-fast);
  opacity: 0;
  transform: translateY(20px);
  padding-block: var(--space-2);
  width: 100%;
  text-align: center;
}

/* Sub-items (indented) */
.mobile-nav-link[style*="padding-left"] {
  font-size: var(--text-base);
  font-weight: var(--fw-medium);
  color: rgba(255,255,255,0.65);
  padding-block: var(--space-1);
  padding-left: 2rem !important;
}

.mobile-nav.open .mobile-nav-link {
  opacity: 1;
  transform: translateY(0);
}

.mobile-nav-link:hover { color: var(--color-primary); }

@media (max-width: 1024px) {
  .nav-menu, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
}

/* ─── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-xl);
  font-size: var(--text-sm);
  font-weight: var(--fw-semi);
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--trans-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--trans-fast);
}

.btn:hover::before { opacity: 1; }

.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -150%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.45) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  transform: skewX(-20deg);
  pointer-events: none;
}

.btn:hover::after {
  animation: tab-shine 0.8s ease-in-out;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 20px var(--color-primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--color-primary-glow);
  color: white;
}

.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.25);
  color: white;
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-glass);
  color: var(--color-primary);
}

.btn-outline-dark {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text-primary);
}

.btn-outline-dark:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-pale);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
  color: white;
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  color: white;
}

.btn-sm { padding: 0.5rem 1.25rem; font-size: var(--text-xs); }
.btn-lg { padding: 1rem 2.25rem; font-size: var(--text-base); border-radius: var(--radius-2xl); }

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-lg);
}

/* Animated arrow on hover */
.btn .btn-arrow {
  transition: transform var(--trans-fast);
}

.btn:hover .btn-arrow { transform: translateX(3px); }

/* ─── Service Cards ────────────────────────────────────────── */
.service-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  overflow: hidden;
  transition: all var(--trans-slow);
  cursor: pointer;
}

.service-card::before {
  content: '';
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  inset-inline-end: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--trans-base);
  transform-origin: left;
}

.service-card:hover { 
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(39, 165, 255, 0.2);
}

.service-card:hover::before { transform: scaleX(1); }

.service-card-icon {
  width: 64px;
  height: 64px;
  background: var(--color-primary-pale);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--color-primary);
  margin-block-end: var(--space-6);
  transition: all var(--trans-base);
}

.service-card:hover .service-card-icon {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-glow);
  transform: scale(1.05) rotate(-5deg);
}

.service-card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--color-dark);
  margin-block-end: var(--space-3);
  transition: color var(--trans-fast);
}

.service-card:hover .service-card-title { color: var(--color-primary); }

.service-card-desc {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-block-end: var(--space-6);
}

.service-card-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-block-end: var(--space-6);
}

.service-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.service-feature i {
  color: var(--color-primary);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--fw-semi);
  color: var(--color-primary);
  text-decoration: none;
  transition: gap var(--trans-fast);
  margin-block-start: auto;
}

.service-card-link:hover { gap: var(--space-3); }

/* ─── Portfolio Cards ──────────────────────────────────────── */
.portfolio-card {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: var(--color-dark-2);
  aspect-ratio: 4/3;
  cursor: pointer;
}

.portfolio-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.portfolio-card:hover .portfolio-card-img {
  transform: scale(1.08);
}

.portfolio-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10, 15, 30, 0.95) 0%,
    rgba(10, 15, 30, 0.5) 50%,
    transparent 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-8);
  opacity: 0;
  transition: opacity var(--trans-slow);
}

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

.portfolio-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-block-end: var(--space-3);
}

.portfolio-tag {
  padding: 0.2rem 0.75rem;
  background: var(--color-primary-glass);
  border: 1px solid rgba(39, 165, 255, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.65rem;
  font-weight: var(--fw-semi);
  letter-spacing: 0.05em;
  color: var(--color-primary-light);
  text-transform: uppercase;
}

.portfolio-card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: white;
  margin-block-end: var(--space-2);
}

.portfolio-card-client {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  margin-block-end: var(--space-4);
}

/* Always visible bottom strip */
.portfolio-card-strip {
  position: absolute;
  inset-block-end: 0;
  inset-inline: 0;
  padding: var(--space-4) var(--space-6);
  background: linear-gradient(to top, rgba(10, 15, 30, 0.9), transparent);
}

.portfolio-card-category {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--fw-semi);
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Filter tabs */
.filter-tabs {
  display: inline-flex;
  gap: 6px;
  padding: 6px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px) saturate(190%);
  -webkit-backdrop-filter: blur(12px) saturate(190%);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-full);
  justify-content: center;
  margin-block-end: var(--space-10);
  box-shadow: 0 10px 30px -10px rgba(0, 18, 48, 0.08);
  margin-inline: auto;
}

@media (max-width: 576px) {
  .filter-tabs {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-xl);
    padding: var(--space-2);
    scrollbar-width: none;
    justify-content: flex-start;
    margin-inline: 0;
  }
  .filter-tabs::-webkit-scrollbar { display: none; }
  .filter-tab { white-space: nowrap; flex-shrink: 0; }
}

.filter-tab {
  padding: 0.6rem 1.6rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  transition: all var(--trans-normal);
  outline: none;
  position: relative;
  overflow: hidden;
}

.filter-tab::after {
  content: '';
  position: absolute;
  top: 0;
  left: -150%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.4) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  transform: skewX(-20deg);
}

.filter-tab:hover::after {
  animation: tab-shine 0.8s ease-in-out;
}

@keyframes tab-shine {
  0% {
    left: -150%;
  }
  100% {
    left: 150%;
  }
}

.filter-tab:hover {
  color: var(--color-dark);
  background: rgba(0, 0, 0, 0.04);
}

.filter-tab.active {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 8px 20px rgba(39, 165, 255, 0.3);
}

/* ─── Blog Cards ───────────────────────────────────────────── */
.blog-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--trans-slow);
  height: 100%;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(39, 165, 255, 0.15);
}

.blog-card-img-wrap {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.blog-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.blog-card:hover .blog-card-img { transform: scale(1.06); }

.blog-card-category {
  position: absolute;
  inset-block-start: var(--space-4);
  inset-inline-start: var(--space-4);
  padding: 0.25rem 0.875rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--fw-semi);
  letter-spacing: 0.04em;
  color: white;
  background: var(--color-primary);
}

.blog-card-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-block-end: var(--space-3);
}

.blog-card-meta i { font-size: 0.75rem; }

.blog-card-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  color: var(--color-dark);
  line-height: 1.4;
  margin-block-end: var(--space-3);
  transition: color var(--trans-fast);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card:hover .blog-card-title { color: var(--color-primary); }

.blog-card-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-block-end: var(--space-5);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block-start: var(--space-4);
  border-block-start: 1px solid var(--color-border);
  margin-block-start: auto;
}

.blog-card-author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
}

.blog-card-author-avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: var(--fw-bold);
  color: white;
}

/* ─── Testimonial Cards ────────────────────────────────────── */
.testimonial-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
  height: 100%;
  transition: all var(--trans-slow);
  box-shadow: 0 4px 15px rgba(0,0,0,0.04);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(39, 165, 255, 0.25);
  box-shadow: 0 12px 35px rgba(0,0,0,0.08);
  background: #ffffff;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  inset-block-start: -15px;
  inset-inline-end: var(--space-6);
  font-size: 8rem;
  font-family: var(--font-display);
  font-weight: var(--fw-black);
  color: var(--color-primary);
  opacity: 0.05;
  line-height: 1;
  pointer-events: none;
  transition: all var(--trans-base);
}

.testimonial-card:hover::before {
  color: var(--color-primary);
  opacity: 0.08;
  transform: scale(1.05) rotate(5deg);
}

.testimonial-stars {
  display: flex;
  gap: var(--space-1);
  margin-block-end: var(--space-4);
}

.testimonial-stars i {
  color: #FBBC04; /* Google Yellow */
  font-size: 1.1rem;
}

.testimonial-quote {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-block-end: var(--space-6);
  font-weight: 400;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-block-start: var(--space-4);
  border-block-start: 1px solid var(--color-border);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
}

.testimonial-avatar-placeholder {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  font-size: 1rem;
  color: white;
  flex-shrink: 0;
}

.testimonial-info-name {
  font-weight: var(--fw-semi);
  color: var(--color-dark);
  font-size: var(--text-sm);
}

.testimonial-info-role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-block-start: 2px;
}

/* ─── Stats / Counter Cards ────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
}

.stat-card {
  background: var(--color-white);
  padding: var(--space-10);
  text-align: center;
  position: relative;
  transition: background var(--trans-base);
}

.stat-card:hover { background: var(--color-primary-pale); }

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: var(--fw-black);
  color: var(--color-primary);
  line-height: 1;
  margin-block-end: var(--space-2);
  letter-spacing: -0.03em;
}

.stat-suffix {
  font-size: 0.6em;
  font-weight: var(--fw-extra);
}

.stat-label {
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Dark stats variant */
.stats-dark .stat-card { background: transparent; }
.stats-dark .stat-number { color: white; }
.stats-dark .stat-label { color: rgba(255,255,255,0.5); }

/* ─── Hero Component ───────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-hero);
}

#three-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(ellipse at 30% 50%, rgba(39,165,255,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 30%, rgba(139,92,246,0.05) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-block-start: 0;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: rgba(39, 165, 255, 0.1);
  border: 1px solid rgba(39, 165, 255, 0.25);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--fw-semi);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  margin-block-end: var(--space-6);
  width: fit-content;
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-7xl);
  font-weight: var(--fw-black);
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: white;
  margin-block-start: -20px;
  padding-block-start: 0;
  margin-block-end: var(--space-6);
  max-width: 800px;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
  max-width: 580px;
  margin-block-end: var(--space-10);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  margin-block-end: var(--space-16);
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-trust-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-trust-logos {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  opacity: 0.35;
  filter: brightness(100);
}

.hero-trust-logos img {
  height: 20px;
  width: auto;
  object-fit: contain;
}

.hero-scroll-hint {
  position: absolute;
  inset-block-end: var(--space-8);
  inset-inline-start: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.35);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: float 2.5s ease-in-out infinite;
}

.hero-scroll-mouse {
  width: 22px;
  height: 34px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 11px;
  position: relative;
  display: flex;
  justify-content: center;
  padding-block-start: 5px;
}

.hero-scroll-wheel {
  width: 3px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 2px;
  animation: float 1.5s ease-in-out infinite;
}

/* ─── CTA Band ─────────────────────────────────────────────── */
.cta-section {
  position: relative;
  overflow: hidden;
  background: var(--gradient-cta);
  padding-block: clamp(4rem, 8vw, 7rem);
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
  position: relative;
  text-align: center;
}

.cta-title {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: var(--fw-black);
  color: white;
  letter-spacing: -0.03em;
  margin-block-end: var(--space-4);
}

.cta-subtitle {
  font-size: var(--text-xl);
  color: rgba(255,255,255,0.7);
  margin-block-end: var(--space-8);
  max-width: 560px;
  margin-inline: auto;
}

/* ─── Toast Notifications ──────────────────────────────────── */
.toast-container {
  position: fixed;
  inset-block-end: var(--space-6);
  inset-inline-end: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-xl);
  min-width: 300px;
  max-width: 400px;
  box-shadow: var(--shadow-xl);
  animation: slide-in-right 0.3s var(--ease-out) both;
  backdrop-filter: blur(12px);
}

.toast-success {
  background: rgba(16, 185, 129, 0.95);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: white;
}

.toast-error {
  background: rgba(239, 68, 68, 0.95);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: white;
}

.toast-info {
  background: rgba(39, 165, 255, 0.95);
  border: 1px solid rgba(39, 165, 255, 0.3);
  color: white;
}

.toast-icon { font-size: 1.2rem; flex-shrink: 0; }
.toast-message { font-size: var(--text-sm); font-weight: var(--fw-medium); flex: 1; }
.toast-close {
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0.6;
  color: white;
  padding: 2px;
  flex-shrink: 0;
  transition: opacity var(--trans-fast);
}
.toast-close:hover { opacity: 1; }

/* ─── Form Styles ──────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-block-end: var(--space-5);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
}

.form-control {
  width: 100%;
  padding: 0.875rem 1.25rem;
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  transition: border-color var(--trans-fast), box-shadow var(--trans-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-glass);
}

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

.form-control:user-invalid {
  border-color: var(--color-error);
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

select.form-control { cursor: pointer; }

/* Dark form variant */
.form-dark .form-control {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.12);
  color: white;
}

.form-dark .form-label { color: rgba(255,255,255,0.7); }
.form-dark .form-control:focus { border-color: var(--color-primary); }
.form-dark .form-control::placeholder { color: rgba(255,255,255,0.3); }

/* ─── Page Header / Inner Banner ──────────────────────────── */
.page-hero {
  position: relative;
  background: var(--gradient-hero);
  padding-block-start: calc(var(--nav-height) + 4rem);
  padding-block-end: 5rem;
  overflow: hidden;
  text-align: center;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 100%, rgba(39,165,255,0.12) 0%, transparent 60%);
}

.page-hero-content { position: relative; z-index: 1; }

.page-hero-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  background: rgba(39,165,255,0.1);
  border: 1px solid rgba(39,165,255,0.25);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--fw-semi);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  margin-block-end: var(--space-4);
}

.page-hero-title {
  font-family: var(--font-display);
  font-size: var(--text-6xl);
  font-weight: var(--fw-black);
  color: white;
  letter-spacing: -0.035em;
  margin-block-end: var(--space-4);
}

.page-hero-subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.6);
  max-width: 560px;
  margin-inline: auto;
}

/* ─── Tech Badge ───────────────────────────────────────────── */
.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.875rem;
  background: var(--color-section-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  transition: all var(--trans-fast);
}

.tech-badge:hover {
  background: var(--color-primary-pale);
  border-color: rgba(39,165,255,0.3);
  color: var(--color-primary);
}

/* ─── Pagination ───────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-block-start: var(--space-12);
}

.page-link {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  text-decoration: none;
  transition: all var(--trans-fast);
}

.page-link:hover,
.page-link.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: white;
  box-shadow: 0 4px 15px var(--color-primary-glow);
}

/* ─── Footer ───────────────────────────────────────────────── */
.site-footer {
  background: var(--color-dark);
  color: var(--color-text-light-muted);
  padding-block: var(--space-24) var(--space-8);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  inset-block-start: 0;
  inset-inline: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-12);
  margin-block-end: var(--space-12);
}

.footer-brand-desc {
  font-size: var(--text-sm);
  line-height: 1.8;
  color: rgba(255,255,255,0.45);
  margin-block: var(--space-4);
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: var(--space-3);
  margin-block-start: var(--space-4);
}

.footer-social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: all var(--trans-fast);
  font-size: 0.9rem;
}

.footer-social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.footer-heading {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--fw-semi);
  color: white;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-block-end: var(--space-5);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  transition: color var(--trans-fast), padding-inline-start var(--trans-fast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-link:hover {
  color: var(--color-primary);
  padding-inline-start: var(--space-2);
}

.footer-contact-item {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.45);
  align-items: flex-start;
  margin-block-end: var(--space-3);
}

.footer-contact-item i {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-block-start: 3px;
}

.footer-bottom {
  border-block-start: 1px solid rgba(255,255,255,0.06);
  padding-block-start: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
}

.footer-badges {
  display: flex;
  gap: var(--space-2);
}

.footer-badge {
  padding: 0.2rem 0.6rem;
  background: rgba(39,165,255,0.1);
  border: 1px solid rgba(39,165,255,0.2);
  border-radius: var(--radius-sm);
  font-size: 0.6rem;
  font-weight: var(--fw-semi);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
}

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
}

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

/* ─── Testimonial Marquee Styles ─────────────────────────── */
.testimonial-marquee-container {
  width: 100%;
  overflow: hidden;
  position: relative;
  padding-block: var(--space-6) var(--space-8);
  margin-block-start: var(--space-4);
}

.testimonial-marquee-container::before,
.testimonial-marquee-container::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 150px;
  z-index: 2;
  pointer-events: none;
}
.testimonial-marquee-container::before {
  left: 0;
  background: linear-gradient(to right, var(--color-section-bg), transparent);
}
.testimonial-marquee-container::after {
  right: 0;
  background: linear-gradient(to left, var(--color-section-bg), transparent);
}

.testimonial-marquee-track {
  display: flex;
  gap: var(--space-6);
  width: max-content;
  animation: testimonial-scroll-marquee 45s linear infinite;
  padding-inline-start: 1rem;
}

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

.testimonial-marquee-card {
  width: 400px;
  flex-shrink: 0;
}

@keyframes testimonial-scroll-marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-50% - (var(--space-6) / 2)));
  }
}

/* ============================================================
   Global Padding & Gap Reductions — Tablet (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {

  /* Bootstrap row gutter tightening */
  .row.g-6 { --bs-gutter-x: 1.5rem; --bs-gutter-y: 1.5rem; }
  .row.g-5 { --bs-gutter-x: 1.25rem; --bs-gutter-y: 1.25rem; }

  /* Service Cards */
  .service-card { padding: var(--space-6); }
  .service-card-icon { width: 52px; height: 52px; font-size: 1.4rem; margin-block-end: var(--space-4); }

  /* Blog Cards */
  .blog-card-body { padding: var(--space-5); }

  /* Testimonial cards */
  .testimonial-card { padding: var(--space-6); }
  .testimonial-marquee-card { width: 320px; }

  /* CTA section */
  .cta-section { padding-block: var(--space-10); }

  /* Footer */
  .footer-grid  { gap: var(--space-6); }
  .footer-section { padding-block-end: var(--space-4); }

  /* Stats grid */
  .stats-grid { gap: var(--space-4); }

  /* Page Hero */
  .page-hero { padding-block: var(--space-10) !important; }

  /* Mobile nav social icons */
  .mobile-nav > div[style] { position: static; margin-block-start: var(--space-6); }
}

/* ============================================================
   Global Padding & Gap Reductions — Phone (≤ 480px)
   ============================================================ */
@media (max-width: 480px) {

  /* Bootstrap row gutter tightening */
  .row.g-6 { --bs-gutter-x: 1rem; --bs-gutter-y: 1rem; }
  .row.g-5 { --bs-gutter-x: 0.75rem; --bs-gutter-y: 0.75rem; }
  .row.g-4 { --bs-gutter-x: 0.75rem; --bs-gutter-y: 0.75rem; }

  /* Service Cards */
  .service-card { padding: var(--space-5); }
  .service-card-icon { width: 44px; height: 44px; font-size: 1.2rem; }
  .service-card-title { font-size: var(--text-base); }

  /* Blog cards */
  .blog-card-body { padding: var(--space-4); }
  .blog-card-title { font-size: var(--text-base); }
  .blog-card-excerpt { -webkit-line-clamp: 2; }

  /* Testimonial */
  .testimonial-card { padding: var(--space-5); }
  .testimonial-marquee-card { width: 280px; }

  /* CTA section */
  .cta-section { padding-block: var(--space-8); }
  .cta-title   { font-size: var(--text-2xl); }
  .cta-subtitle { font-size: var(--text-sm); }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-5); }
  .footer-bottom { flex-direction: column; text-align: center; gap: var(--space-3); }
  .footer-logo { margin-block-end: var(--space-3); }

  /* Stats */
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }

  /* Page Hero */
  .page-hero { padding-block: var(--space-8) !important; }
  .page-hero-content { padding-inline: 0; }

  /* Mobile nav — compact */
  .mobile-nav { padding-block: 5rem 4rem; }
  .mobile-nav-link { font-size: var(--text-lg); }
  .mobile-nav-link[style*="padding-left"] { font-size: var(--text-sm); }
}