/* ArpaNeuro — Design System */
:root {
  --bg-primary: #060918;
  --bg-secondary: #0c1029;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(0, 212, 255, 0.3);
  --text-primary: #f0f4ff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-cyan: #00d4ff;
  --accent-purple: #7c3aed;
  --accent-green: #10b981;
  --gradient-brand: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
  --gradient-glow: radial-gradient(ellipse at 50% 0%, rgba(0, 212, 255, 0.15) 0%, transparent 60%);
  --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.15);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --header-height: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.container {
  width: min(1200px, 92%);
  margin-inline: auto;
}

/* Typography */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 12px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 620px;
  line-height: 1.7;
}

.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.35);
}

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

.btn-outline:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.05);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
}

.btn-whatsapp:hover {
  background: #20bd5a;
  transform: translateY(-2px);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(6, 9, 24, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(6, 9, 24, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.375rem;
  font-weight: 700;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  flex-shrink: 0;
}

.logo-wordmark {
  font-size: 1.375rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1;
}

.logo-accent {
  background: linear-gradient(135deg, #00d4ff, #7c3aed);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.logo img, .logo svg {
  height: 36px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  transition: width var(--transition);
}

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

.nav-cta {
  margin-left: 8px;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}

.hero-orb-1 {
  width: 500px;
  height: 500px;
  background: var(--accent-cyan);
  top: -100px;
  right: -100px;
  opacity: 0.12;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: var(--accent-purple);
  bottom: -50px;
  left: -100px;
  opacity: 0.15;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 60px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent-cyan);
  margin-bottom: 24px;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.stat-item {
  text-align: left;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card-stack {
  position: relative;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1;
}

.floating-card {
  position: absolute;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-card);
  animation: float 6s ease-in-out infinite;
}

.floating-card:nth-child(1) {
  top: 10%;
  left: 5%;
  animation-delay: 0s;
}

.floating-card:nth-child(2) {
  top: 35%;
  right: 0;
  animation-delay: -2s;
}

.floating-card:nth-child(3) {
  bottom: 15%;
  left: 10%;
  animation-delay: -4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.floating-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.floating-card-icon.cyan { background: rgba(0, 212, 255, 0.15); }
.floating-card-icon.purple { background: rgba(124, 58, 237, 0.15); }
.floating-card-icon.green { background: rgba(16, 185, 129, 0.15); }

.floating-card h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.floating-card p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.hero-center-graphic {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
}

/* Sections */
section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header .section-desc {
  margin-inline: auto;
}

/* Services */
.services {
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity var(--transition);
}

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

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent-cyan);
}

.service-icon svg,
.case-study-icon svg,
.contact-method-icon svg,
.about-feature-icon svg,
.floating-card-icon svg,
.dual-offer-item .icon svg,
.ui-icon svg {
  width: 28px;
  height: 28px;
  display: block;
}

.case-study-icon.large svg {
  width: 48px;
  height: 48px;
}

.product-icon svg,
.product-image svg {
  width: 40px;
  height: 40px;
  color: var(--accent-cyan);
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: 20px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-tag {
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Products / Source Code */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card-link {
  text-decoration: none;
  color: inherit;
  flex: 1;
  display: block;
}

.product-card-link:hover h3 {
  color: var(--accent-cyan);
}

.product-actions-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  width: 100%;
}

.product-actions-row .btn-primary {
  grid-column: 1 / -1;
}

.product-actions-row .btn-sm {
  padding: 9px 12px;
  font-size: 0.8125rem;
  justify-content: center;
  text-align: center;
}

.product-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.product-image {
  position: relative;
  height: 200px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.08) 0%, rgba(124, 58, 237, 0.08) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  overflow: hidden;
}

.product-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 6px 12px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-green);
}

.product-badge.hot {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.product-body {
  padding: 24px;
}

.product-category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
  margin-bottom: 8px;
}

.product-body h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.product-body p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.product-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.tech-tag {
  padding: 3px 10px;
  background: rgba(124, 58, 237, 0.12);
  border-radius: 4px;
  font-size: 0.6875rem;
  font-weight: 500;
  color: #a78bfa;
}

.product-footer {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: stretch;
  padding: 16px 24px 24px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.product-price {
  font-size: 1.375rem;
  font-weight: 800;
  white-space: nowrap;
  line-height: 1.2;
}

.product-price span {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 6px;
}

/* Dual offering banner — compact */
.section-compact {
  padding: 48px 0 24px;
}

.dual-offer {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 28px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  margin-bottom: 0;
  align-items: center;
}

.dual-offer-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 8px 0;
  text-align: left;
}

.dual-offer-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent-cyan);
}

.dual-offer-icon svg {
  width: 24px;
  height: 24px;
  display: block;
}

.dual-offer-copy h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.dual-offer-copy p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.55;
  margin: 0;
}

.dual-divider {
  width: 1px;
  background: var(--border);
  align-self: stretch;
  min-height: 48px;
}

.products-grid--featured {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 1024px) {
  .products-grid--featured {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .products-grid--featured {
    grid-template-columns: 1fr;
  }
}

/* Process */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.process-step {
  text-align: center;
  padding: 32px 20px;
  position: relative;
}

.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin: 0 auto 20px;
  background: var(--gradient-brand);
  border-radius: 50%;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}

.process-step h4 {
  font-size: 1.0625rem;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* About */
.about {
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-features {
  display: grid;
  gap: 20px;
  margin-top: 32px;
}

.about-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.about-feature-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(0, 212, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
}

.about-feature h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.about-feature p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.about-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
}

.about-stat-card .number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-stat-card .label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.testimonial-stars {
  color: #fbbf24;
  font-size: 1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-card blockquote {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
}

.author-info h5 {
  font-size: 0.9375rem;
  font-weight: 600;
}

.author-info span {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* FAQ */
.faq-list {
  max-width: 760px;
  margin-inline: auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 1.0625rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--accent-cyan);
}

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  background: var(--gradient-brand);
  border-color: transparent;
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 24px;
}

.faq-answer p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* Contact */
.contact {
  background: var(--bg-secondary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}

.contact-info h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.contact-methods {
  display: grid;
  gap: 20px;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.contact-method:hover {
  border-color: var(--border-hover);
}

.contact-method-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(0, 212, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
}

.contact-method h5 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-method span, .contact-method a {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.9375rem;
  transition: border-color var(--transition);
}

.form-group select {
  color-scheme: dark;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select option {
  background-color: #0c1029;
  color: #f0f4ff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* CTA Banner */
.cta-banner {
  background: var(--gradient-brand);
  border-radius: var(--radius-xl);
  padding: 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::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='0.05'%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-banner h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 12px;
  position: relative;
}

.cta-banner p {
  font-size: 1.0625rem;
  opacity: 0.9;
  margin-bottom: 28px;
  position: relative;
}

.cta-banner .btn {
  position: relative;
  background: #fff;
  color: var(--accent-purple);
}

.cta-banner .btn:hover {
  background: rgba(255, 255, 255, 0.9);
}

/* Footer */
.footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-top: 16px;
  max-width: 300px;
}

.footer-brand .logo img {
  height: 32px;
  width: auto;
  max-width: 180px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
}

.footer-social a:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.1);
}

.footer-col h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 30px;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

/* WhatsApp Float */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.whatsapp-tooltip {
  background: #fff;
  color: #1a1a2e;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 500;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  opacity: 0;
  transform: translateY(10px);
  transition: var(--transition);
  pointer-events: none;
  white-space: nowrap;
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateY(0);
}

.whatsapp-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: var(--transition);
  animation: whatsapp-pulse 2s infinite;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-btn svg {
  width: 32px;
  height: 32px;
  fill: #fff;
}

@keyframes whatsapp-pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6), 0 0 0 12px rgba(37, 211, 102, 0.1); }
}

/* Page hero (inner pages) */
.page-hero {
  padding: calc(var(--header-height) + 60px) 0 60px;
  text-align: center;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
}

.page-hero .container {
  position: relative;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.page-hero p {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  max-width: 600px;
  margin-inline: auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.breadcrumb a:hover {
  color: var(--accent-cyan);
}

/* Filter bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}

.products-toolbar {
  margin-bottom: 24px;
  display: flex;
  justify-content: center;
}

.product-search {
  width: min(560px, 100%);
  padding: 14px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.9375rem;
  transition: border-color var(--transition);
}

.product-search:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.product-search::placeholder {
  color: var(--text-muted);
}

.products-load-more {
  text-align: center;
  padding: 8px 0 48px;
}

.products-showing {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 16px;
}

.filter-btn {
  padding: 8px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* Animations on scroll */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-desc {
    margin-inline: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

  .about-grid,
  .contact-grid,
  .dual-offer {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 20px;
  }

  .dual-divider {
    width: 100%;
    height: 1px;
    min-height: 0;
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(6, 9, 24, 0.98);
    flex-direction: column;
    padding: 24px;
    gap: 0;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    transition: var(--transition);
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav:not(.open) {
    pointer-events: none;
  }

  .nav-link {
    padding: 14px 0;
    width: 100%;
    border-bottom: 1px solid var(--border);
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 16px;
    width: 100%;
  }

  .nav-cta .btn {
    width: 100%;
  }

  .menu-toggle {
    display: flex;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .services-grid,
  .products-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .cta-banner {
    padding: 40px 24px;
  }

  section {
    padding: 70px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* Project Detail Page */
.project-detail-hero {
  padding: calc(var(--header-height) + 40px) 0 60px;
  background: var(--bg-secondary);
}

.project-detail-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  align-items: start;
  margin-top: 24px;
}

.project-detail-visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  text-align: center;
  position: relative;
  max-width: 220px;
}

.project-detail-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
  font-size: 1.75rem;
  line-height: 1;
}

.project-detail-icon svg {
  width: 36px;
  height: 36px;
  color: var(--accent-cyan);
}

.project-detail-visual .product-badge {
  position: static;
  display: inline-block;
  margin-top: 20px;
}

.project-detail-info h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin: 12px 0 16px;
}

.project-detail-summary {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.project-detail-price {
  font-size: 2.25rem;
  font-weight: 800;
  margin: 24px 0;
}

.project-detail-price span {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-muted);
}

.project-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.project-detail-body {
  padding: 60px 0 100px;
}

.project-detail-columns {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  align-items: start;
}

.detail-block {
  margin-bottom: 32px;
}

.detail-block h2 {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.detail-block h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.detail-block p {
  color: var(--text-secondary);
  line-height: 1.75;
  font-size: 1rem;
}

.feature-list,
.include-list {
  list-style: none;
  display: grid;
  gap: 10px;
}

.feature-list li,
.include-list li {
  padding: 12px 16px 12px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9375rem;
  position: relative;
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 14px;
  color: var(--accent-green);
  font-weight: 700;
}

.include-list li::before {
  content: '📦';
  position: absolute;
  left: 14px;
  font-size: 0.875rem;
}

.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.sidebar-card.cta-card {
  background: linear-gradient(135deg, rgba(0,212,255,0.06), rgba(124,58,237,0.06));
  border-color: var(--border-hover);
}

.sidebar-card.cta-card p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 16px;
}

@media (max-width: 900px) {
  .project-detail-grid,
  .project-detail-columns {
    grid-template-columns: 1fr;
  }

  .project-detail-visual {
    max-width: 220px;
    margin: 0 auto;
  }
}

/* Blog */
.blog-section {
  padding-bottom: 24px;
}

.blog-section-cta {
  text-align: center;
  margin-top: 36px;
}

.blog-grid {
  display: grid;
  gap: 24px;
  padding-bottom: 0;
}

.blog-grid--home {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.blog-grid--listing {
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  padding-bottom: 80px;
}

.blog-listing {
  padding-top: 40px;
}

.page-hero--blog .blog-hero-meta {
  margin-top: 12px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.blog-empty,
.blog-empty-state {
  text-align: center;
  color: var(--text-secondary);
  grid-column: 1 / -1;
  padding: 60px 20px;
}

.blog-empty-state h2 {
  margin-bottom: 8px;
}

.blog-empty-state p {
  margin-bottom: 24px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 100%;
}

.blog-card-accent {
  height: 3px;
  background: var(--gradient-brand);
  opacity: 0.85;
}

.blog-card-body {
  padding: 24px 24px 16px;
  flex: 1;
}

.blog-card-footer {
  padding: 0 24px 24px;
  margin-top: auto;
}

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

.blog-card-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 1;
}

.blog-category {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  display: inline-block;
  margin-bottom: 10px;
}

.blog-card h2 {
  font-size: 1.125rem;
  margin: 0 0 12px;
  line-height: 1.4;
}

.blog-card--home h2 {
  font-size: 1.0625rem;
}

.blog-card h2 a {
  color: inherit;
  text-decoration: none;
}

.blog-card h2 a:hover {
  color: var(--accent-cyan);
}

.blog-card-excerpt {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.65;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.blog-read-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-decoration: none;
}

.blog-read-link:hover {
  color: var(--text-primary);
}

.blog-read-link span {
  transition: transform var(--transition);
}

.blog-read-link:hover span {
  transform: translateX(3px);
}

@media (max-width: 992px) {
  .blog-grid--home {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .blog-grid--home {
    grid-template-columns: 1fr;
  }
}

.blog-post { padding: calc(var(--header-height) + 40px) 0 80px; }
.blog-post-title { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 800; line-height: 1.2; margin: 12px 0 16px; }
.blog-post-content p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 20px; font-size: 1.0625rem; }
.blog-post-content h2 { font-size: 1.375rem; margin: 32px 0 16px; }

/* Legal / policy pages */
.legal-page {
  padding-bottom: 80px;
}

.legal-content {
  max-width: 780px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 1.375rem;
  margin: 36px 0 14px;
}

.legal-content p,
.legal-content li {
  color: var(--text-secondary);
  line-height: 1.75;
  font-size: 1rem;
}

.legal-content a {
  color: var(--accent-cyan);
}

.policy-summary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 36px;
}

.policy-summary h2 {
  margin-top: 0;
  font-size: 1.25rem;
}

.policy-summary-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.policy-summary-list li {
  padding-left: 0;
}

.legal-steps {
  padding-left: 1.25rem;
  margin-bottom: 20px;
}

.legal-steps li {
  margin-bottom: 10px;
}
.wishlist-nav { position: relative; }
.wishlist-count { background: var(--accent-cyan); color: #000; font-size: 0.6875rem; font-weight: 700; padding: 1px 6px; border-radius: 100px; margin-left: 2px; }
.wishlist-btn.in-wishlist { border-color: #ef4444; color: #ef4444; }
.btn-danger-outline { background: transparent; border: 1px solid rgba(239,68,68,0.4); color: #fca5a5; padding: 6px 12px; border-radius: 8px; cursor: pointer; font-family: inherit; font-size: 0.8125rem; }

/* Case Studies */
.case-studies-section {
  padding: 40px 0 0;
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
  padding-bottom: 80px;
  align-items: stretch;
}

.case-study-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.case-study-card h2 {
  font-size: 1.25rem;
  line-height: 1.35;
  margin: 8px 0 12px;
}

.case-study-card h2 a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

.case-study-card h2 a:hover {
  color: var(--accent-cyan);
}

.case-study-card > p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.65;
  flex: 1;
  margin-bottom: 16px;
}

.case-study-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

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

.case-study-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.case-study-icon.ui-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(0, 212, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
}

.case-study-icon.large {
  font-size: 4rem;
}

.case-study-icon.large.ui-icon {
  width: 80px;
  height: 80px;
}

.case-study-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.case-study-hero {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  align-items: start;
  margin-top: 20px;
}

.case-study-client {
  color: var(--text-secondary);
  margin: 12px 0;
}

.case-study-body {
  padding-bottom: 80px;
}

.related-projects-section {
  padding-bottom: 80px;
  border-top: 1px solid var(--border);
  padding-top: 60px;
}

@media (max-width: 768px) {
  .case-study-hero {
    grid-template-columns: 1fr;
    text-align: center;
  }
}