/* ============================================
   SYNAPTICA - Modern Hi-Tech CSS
   Version 2.0 - Refactored Design
   ============================================ */

/* CSS Variables */
:root {
  --primary: #007acc;
  --primary-light: #00aaff;
  --primary-dark: #005fa3;
  --accent: #00d4ff;
  --accent-glow: rgba(0, 212, 255, 0.3);
  --bg-dark: #0a0a0f;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --text: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.7);
  --border: rgba(255, 255, 255, 0.1);
  --border-glow: rgba(0, 170, 255, 0.3);
  --gradient-hero: linear-gradient(135deg, #0a1628 0%, #102040 50%, #0a1628 100%);
  --gradient-accent: linear-gradient(135deg, var(--primary), var(--accent));
  --shadow-glow: 0 0 30px rgba(0, 170, 255, 0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset e base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.7;
  background-color: var(--bg-dark);
  color: var(--text);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

a {
  color: var(--primary-light);
  text-decoration: none;
  transition: color var(--transition);
}

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

/* Skip link accessibilita */
.skip-link {
  position: absolute;
  top: -50px;
  left: 10px;
  background: var(--primary);
  color: white;
  padding: 10px 20px;
  border-radius: var(--radius);
  z-index: 10000;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 10px;
}

/* ============================================
   PARTICLES BACKGROUND
   ============================================ */
#particles-js {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: var(--gradient-hero);
}

/* Grid overlay effect */
#particles-js::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(0, 170, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 170, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 0;
}

.logo {
  height: 50px;
  width: auto;
  transition: transform var(--transition), filter var(--transition);
}

.logo:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 0 10px var(--accent-glow));
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 35px;
}

.nav-list a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 5px 0;
  transition: color var(--transition);
}

.nav-list a:hover {
  color: var(--text);
}

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

.nav-list a:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  font-size: 1.5rem;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 10px;
  border-radius: var(--radius);
  transition: background var(--transition);
}

.menu-toggle:hover {
  background: var(--bg-card);
}

/* Navigation Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  padding: 5px 0;
  transition: color var(--transition);
  font-family: inherit;
}

.nav-dropdown-toggle:hover {
  color: var(--text);
}

.dropdown-arrow {
  transition: transform var(--transition);
}

.nav-dropdown-toggle[aria-expanded="true"] .dropdown-arrow {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: rgba(15, 15, 20, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 0;
  min-width: 280px;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu li {
  border-bottom: none;
}

.nav-dropdown-menu a {
  display: flex;
  flex-direction: column;
  padding: 12px 20px;
  color: var(--text-muted);
  transition: all var(--transition);
}

.nav-dropdown-menu a::after {
  display: none;
}

.nav-dropdown-menu a:hover {
  background: var(--bg-card);
  color: var(--text);
}

.nav-dropdown-menu a strong {
  color: var(--text);
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.nav-dropdown-menu a span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.nav-dropdown-menu a:hover strong {
  color: var(--accent);
}

/* Nav CTA button */
.nav-cta {
  background: var(--gradient-accent);
  color: var(--bg-dark) !important;
  padding: 10px 20px !important;
  border-radius: var(--radius);
  font-weight: 600 !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 170, 255, 0.3);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 0;
  overflow: hidden;
}

.hero-animation {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(0, 170, 255, 0.1) 0%, transparent 70%);
  animation: pulse 8s ease-in-out infinite;
  z-index: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.1); }
}

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

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--text) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.8s ease-out;
}

.hero p {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  max-width: 700px;
  margin: 0 auto 40px;
  color: var(--text-muted);
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero .btn {
  animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 16px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-product {
  min-height: 60vh;
  padding: 100px 0 80px;
}

.product-logo {
  display: block;
  margin: 0 auto 30px;
  max-width: 280px;
  height: auto;
  animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  background: var(--gradient-accent);
  color: var(--bg-dark);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 170, 255, 0.3);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 170, 255, 0.5);
}

.btn:hover::before {
  left: 100%;
}

.btn:active {
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  border: 2px solid var(--primary-light);
  color: var(--primary-light);
  box-shadow: none;
}

.btn-secondary:hover {
  background: var(--primary-light);
  color: var(--bg-dark);
  box-shadow: 0 8px 30px rgba(0, 170, 255, 0.3);
}

.btn-large {
  padding: 18px 40px;
  font-size: 1.1rem;
}

/* ============================================
   SECTIONS BASE
   ============================================ */
section {
  padding: 100px 0;
  position: relative;
}

section h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  text-align: center;
  margin-bottom: 20px;
  color: var(--text);
}

section h2::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--gradient-accent);
  margin: 20px auto 0;
  border-radius: 2px;
}

section > .container > p {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px;
  font-size: 1.1rem;
}

/* Alternating section backgrounds */
section:nth-child(even) {
  background: linear-gradient(180deg, rgba(0, 170, 255, 0.02) 0%, transparent 100%);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
  text-align: center;
}

.about p {
  max-width: 800px;
  margin: 0 auto 20px;
  font-size: 1.1rem;
  line-height: 1.8;
}

.about .btn {
  margin-top: 30px;
}

/* ============================================
   SERVICES GRID
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.service-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

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

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

.service-item h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--text);
}

.service-item p {
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.service-cta {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-light);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.service-cta::after {
  content: '→';
  transition: transform var(--transition);
}

.service-item:hover .service-cta::after {
  transform: translateX(5px);
}

/* ============================================
   PROJECTS GRID
   ============================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

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

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 170, 255, 0.05) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition);
}

.project-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
}

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

.project-content {
  padding: 35px;
  position: relative;
}

.project-content h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: var(--text);
}

.project-subtitle {
  font-size: 0.95rem;
  color: var(--accent);
  margin-bottom: 20px;
  font-weight: 500;
}

.project-features {
  list-style: none;
  margin: 25px 0;
}

.project-features li {
  padding: 8px 0 8px 25px;
  position: relative;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.project-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}

.project-card .btn {
  width: 100%;
  margin-top: 10px;
}

.projects-cta {
  text-align: center;
  margin-top: 60px;
  padding: 50px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.projects-cta p {
  font-size: 1.15rem;
  margin-bottom: 25px;
}

/* ============================================
   APPROACH / STEPS
   ============================================ */
.approach-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.step {
  text-align: center;
  padding: 40px 25px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
}

.step::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-accent);
  border-radius: 2px;
}

.step:hover {
  transform: translateY(-5px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.step h3 {
  font-size: 1.2rem;
  margin-bottom: 15px;
  color: var(--primary-light);
}

.step p {
  font-size: 0.95rem;
}

/* Steps with numbers (for SEPA Manager) */
.steps-visual {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.step-item {
  text-align: center;
  padding: 40px 25px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  position: relative;
  transition: all var(--transition);
}

.step-item:hover {
  transform: translateY(-5px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.step-number {
  width: 50px;
  height: 50px;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--bg-dark);
  margin: 0 auto 20px;
}

.step-item h3 {
  font-size: 1.2rem;
  margin-bottom: 15px;
  color: var(--text);
}

/* ============================================
   TECHNOLOGY SECTION
   ============================================ */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.tech-category {
  background: var(--bg-card);
  padding: 30px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.tech-category:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.tech-category h4 {
  font-size: 1.1rem;
  color: var(--accent);
  margin-bottom: 12px;
}

.tech-category p {
  font-size: 0.9rem;
  margin: 0;
}

.tech-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.tech-item {
  background: var(--bg-card);
  padding: 25px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.tech-item h4 {
  font-size: 1rem;
  color: var(--primary-light);
  margin-bottom: 10px;
}

.tech-item p {
  font-size: 0.9rem;
  margin: 0;
}

/* ============================================
   FEATURES GRID (for product pages)
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.feature {
  background: var(--bg-card);
  padding: 35px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.feature:hover {
  border-color: var(--border-glow);
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.feature h3 {
  font-size: 1.2rem;
  margin-bottom: 15px;
  color: var(--text);
}

.feature p {
  margin: 0;
  font-size: 0.95rem;
}

/* ============================================
   BENEFITS GRID
   ============================================ */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.benefit {
  background: var(--bg-card);
  padding: 30px;
  border-radius: var(--radius);
  border-left: 4px solid var(--accent);
  transition: all var(--transition);
}

.benefit:hover {
  background: var(--bg-card-hover);
  transform: translateX(5px);
}

.benefit h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--text);
}

.benefit p {
  margin: 0;
  font-size: 0.95rem;
}

/* ============================================
   USE CASES
   ============================================ */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.use-case {
  background: var(--bg-card);
  padding: 30px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.use-case:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.use-case h3 {
  font-size: 1.1rem;
  color: var(--primary-light);
  margin-bottom: 12px;
}

.use-case p {
  margin: 0;
  font-size: 0.95rem;
}

/* ============================================
   COMPATIBILITY LIST
   ============================================ */
.compatibility-list {
  max-width: 600px;
  margin: 30px auto;
}

.compatibility-list ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
}

.compatibility-list li {
  padding: 12px 20px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: 0.95rem;
  text-align: center;
}

/* ============================================
   REQUIREMENTS
   ============================================ */
.requirements-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.requirement {
  background: var(--bg-card);
  padding: 25px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.requirement h4 {
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 10px;
}

.requirement p {
  margin: 0;
  font-size: 0.9rem;
}

/* ============================================
   SECURITY SECTION
   ============================================ */
.security {
  text-align: center;
}

.security > .container > p {
  font-size: 1.15rem;
}

.security strong {
  color: var(--accent);
}

.security-points {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
  text-align: left;
}

.security-point {
  background: var(--bg-card);
  padding: 30px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  border-left: 4px solid #28a745;
}

.security-point h4 {
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 12px;
}

.security-point p {
  margin: 0;
  font-size: 0.95rem;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
  background: linear-gradient(180deg, rgba(0, 170, 255, 0.03) 0%, transparent 100%);
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 50px;
  max-width: 1000px;
  margin: 0 auto;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.3rem;
  margin-bottom: 25px;
  color: var(--text);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.contact-item strong {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-item a,
.contact-item span {
  color: var(--text);
  font-size: 1rem;
}

.contact-form {
  background: var(--bg-card);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: all var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(0, 170, 255, 0.1);
  background: rgba(255, 255, 255, 0.08);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.checkbox-group input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  cursor: pointer;
  accent-color: var(--primary-light);
}

.checkbox-group label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
  cursor: pointer;
}

.form-disclaimer {
  margin-top: 20px;
  text-align: center;
}

.form-disclaimer small {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.success-message {
  background: rgba(40, 167, 69, 0.2);
  border: 1px solid rgba(40, 167, 69, 0.5);
  padding: 20px;
  border-radius: var(--radius);
  margin-top: 20px;
  text-align: center;
}

.success-message p {
  color: #28a745;
  margin: 0;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, rgba(0, 122, 204, 0.1) 0%, rgba(0, 212, 255, 0.05) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cta-section h2::after {
  display: none;
}

.cta-section .contact-container {
  grid-template-columns: 1fr;
  max-width: 700px;
}

.cta-section .contact-form {
  background: var(--bg-dark);
}

/* ============================================
   SCREENSHOTS
   ============================================ */
.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.screenshots-single {
  max-width: 400px;
  margin: 30px auto;
}

.image-container {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}

.image-placeholder {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.screenshots img,
.screenshots-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transition: transform var(--transition);
}

.screenshots img:hover,
.screenshots-img:hover {
  transform: scale(1.02);
}

img.lazy {
  opacity: 0;
  transition: opacity 0.3s;
}

/* ============================================
   VIDEO
   ============================================ */
.video-container {
  max-width: 800px;
  margin: 30px auto;
  aspect-ratio: 16/9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.video-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.video-vertical {
  max-width: 360px;
  margin: 30px auto;
  aspect-ratio: 9/16;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.video-vertical iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ============================================
   DEMO IMAGE
   ============================================ */
.demo-visual {
  padding: 0 0 60px;
}

.demo-image {
  max-width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  display: block;
  margin: 0 auto;
}

/* ============================================
   STATUS SECTION
   ============================================ */
.status {
  text-align: center;
  background: var(--bg-card);
  margin: 0 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.status p {
  max-width: 700px;
  margin: 0 auto;
}

/* ============================================
   PROBLEM SECTION
   ============================================ */
.problem {
  text-align: center;
}

.problem p {
  max-width: 800px;
  margin: 0 auto 20px;
  font-size: 1.1rem;
}

/* ============================================
   GETTING STARTED
   ============================================ */
.getting-started .steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.getting-started .step {
  counter-increment: step-counter;
}

.getting-started .step h3::before {
  content: counter(step-counter) ". ";
  color: var(--accent);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  padding: 50px 0;
  text-align: center;
}

.site-footer p {
  margin-bottom: 10px;
}

.site-footer a {
  color: var(--primary-light);
}

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

/* ============================================
   BREADCRUMBS
   ============================================ */
.breadcrumbs {
  background: var(--bg-card);
  padding: 15px 0;
  border-bottom: 1px solid var(--border);
}

.breadcrumbs ol {
  list-style: none;
  display: flex;
  gap: 10px;
  align-items: center;
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
}

.breadcrumbs li:not(:last-child)::after {
  content: '›';
  color: var(--text-muted);
}

.breadcrumbs a {
  color: var(--text-muted);
}

.breadcrumbs a:hover {
  color: var(--primary-light);
}

.breadcrumbs [aria-current="page"] {
  color: var(--text);
}

/* ============================================
   FLOATING CTA
   ============================================ */
.floating-cta {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition);
  pointer-events: none;
}

.floating-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.floating-cta .btn {
  box-shadow: 0 10px 40px rgba(0, 170, 255, 0.4);
}

/* ============================================
   WHATSAPP BADGE
   ============================================ */
.whatsapp-badge {
  position: fixed;
  bottom: 30px;
  left: 30px;
  z-index: 999;
  opacity: 0;
  transform: translateX(-20px);
  transition: all var(--transition);
  pointer-events: none;
}

.whatsapp-badge.visible {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.whatsapp-badge a {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: white;
  padding: 12px 20px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--transition);
}

.whatsapp-badge a:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-badge svg {
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .whatsapp-badge {
    bottom: 20px;
    left: 20px;
  }

  .whatsapp-badge a {
    padding: 12px 16px;
  }

  .whatsapp-badge span {
    display: none;
  }

  .whatsapp-badge a {
    border-radius: 50%;
    padding: 14px;
  }
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
  .contact-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    padding: 20px;
    gap: 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-list.active {
    display: flex;
  }

  .nav-list li {
    border-bottom: 1px solid var(--border);
  }

  .nav-list li:last-child {
    border-bottom: none;
  }

  .nav-list a {
    display: block;
    padding: 15px 0;
  }

  /* Mobile dropdown */
  .nav-dropdown {
    position: static;
  }

  .nav-dropdown-toggle {
    width: 100%;
    justify-content: space-between;
    padding: 15px 0;
  }

  .nav-dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    background: transparent;
    backdrop-filter: none;
    border: none;
    box-shadow: none;
    padding: 0;
    min-width: auto;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
  }

  .nav-dropdown-menu.active {
    max-height: 300px;
  }

  .nav-dropdown-menu a {
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
  }

  .nav-dropdown-menu li:last-child a {
    border-bottom: none;
  }

  /* Mobile CTA */
  .nav-cta {
    display: block;
    text-align: center;
    margin-top: 10px;
  }

  .hero {
    min-height: 70vh;
    padding: 80px 0;
  }

  .hero h1 {
    font-size: 2rem;
  }

  section {
    padding: 70px 0;
  }

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

  .contact-form {
    padding: 30px 20px;
  }

  .services-grid,
  .features-grid,
  .benefits-grid,
  .approach-steps,
  .steps-visual,
  .channels-grid,
  .security-grid {
    grid-template-columns: 1fr;
  }

  .hands-flow::before {
    left: 25px;
  }

  .hand-step .step-number {
    width: 50px;
    height: 50px;
    min-width: 50px;
    font-size: 1.4rem;
  }

  .hand-step {
    gap: 15px;
  }

  .highlight-box {
    padding: 25px 20px;
  }

  .floating-cta {
    bottom: 20px;
    right: 20px;
  }

  .floating-cta .btn {
    padding: 12px 20px;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .btn {
    padding: 14px 24px;
  }

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

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero-animation {
    animation: none;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }
}

*:focus {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
}

*:focus:not(:focus-visible) {
  outline: none;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* ============================================
   PRINT
   ============================================ */
@media print {
  .site-header,
  .site-footer,
  .menu-toggle,
  #particles-js,
  .floating-cta,
  .hero-animation {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  a {
    color: black;
    text-decoration: underline;
  }

  section {
    page-break-inside: avoid;
  }
}

/* ============================================
   SIDEMIND - KEY DIFFERENCE SECTION
   ============================================ */
.key-difference {
  text-align: center;
  background: linear-gradient(180deg, rgba(0, 170, 255, 0.05) 0%, transparent 100%);
}

.highlight-box {
  background: var(--bg-card);
  border: 2px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 800px;
  margin: 40px auto;
  position: relative;
  overflow: hidden;
}

.highlight-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-accent);
}

.highlight-box h3 {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 20px;
}

.highlight-box p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   SIDEMIND - FOUR HANDS MANAGEMENT
   ============================================ */
.four-hands {
  background: linear-gradient(180deg, transparent 0%, rgba(0, 170, 255, 0.03) 100%);
}

.hands-flow {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 700px;
  margin: 50px auto;
  position: relative;
}

.hands-flow::before {
  content: '';
  position: absolute;
  left: 35px;
  top: 60px;
  bottom: 60px;
  width: 3px;
  background: linear-gradient(180deg, var(--accent), var(--primary), var(--accent));
  border-radius: 3px;
}

.hand-step {
  display: flex;
  align-items: flex-start;
  gap: 25px;
  padding: 25px 0;
  position: relative;
}

.hand-step .step-number {
  width: 70px;
  height: 70px;
  min-width: 70px;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--bg-dark);
  z-index: 1;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.hand-step .step-content {
  flex: 1;
  padding-top: 10px;
}

.hand-step h4 {
  font-size: 1.2rem;
  color: var(--text);
  margin-bottom: 8px;
}

.hand-step p {
  font-size: 0.95rem;
  margin: 0;
}

.hands-note {
  background: var(--bg-card);
  border-left: 4px solid var(--accent);
  padding: 25px 30px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-top: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hands-note p {
  margin: 0;
  font-size: 1rem;
}

.hands-note strong {
  color: var(--accent);
}

/* ============================================
   SIDEMIND - CHANNELS SECTION
   ============================================ */
.channels {
  text-align: center;
}

.channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.channel-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  transition: all var(--transition);
  text-align: left;
  position: relative;
  overflow: hidden;
}

.channel-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.channel-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
}

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

.channel-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  display: block;
}

.channel-card h3 {
  font-size: 1.4rem;
  color: var(--text);
  margin-bottom: 15px;
}

.channel-card > p {
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.channel-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.channel-card ul li {
  padding: 8px 0 8px 25px;
  position: relative;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.channel-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}

/* ============================================
   SIDEMIND - DETAILED FEATURES
   ============================================ */
.features-detailed {
  background: linear-gradient(180deg, rgba(0, 170, 255, 0.02) 0%, transparent 100%);
}

.features-detailed .features-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.features-detailed .feature {
  text-align: center;
}

.features-detailed .feature h3 {
  color: var(--primary-light);
}

/* ============================================
   SIDEMIND - SECURITY SECTION
   ============================================ */
.security-section {
  text-align: center;
}

.security-section h2 {
  color: #28a745;
}

.security-section h2::after {
  background: linear-gradient(135deg, #28a745, #20c997);
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin-top: 50px;
  text-align: left;
}

.security-item {
  background: var(--bg-card);
  padding: 30px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  border-left: 4px solid #28a745;
  transition: all var(--transition);
}

.security-item:hover {
  background: var(--bg-card-hover);
  transform: translateX(5px);
}

.security-item h4 {
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.security-item h4::before {
  content: '🛡️';
}

.security-item p {
  margin: 0;
  font-size: 0.95rem;
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: 2rem; }
.mb-4 { margin-bottom: 2rem; }