/* ===================================
   NEXIA EDGE - AI TECHNOLOGY THEME
   Layout Moderno 100% Responsivo
   =================================== */

:root {
  /* Cores Principais - Tema IA */
  --ai-primary: #0a0e27;
  --ai-secondary: #1a1f3a;
  --ai-accent: #00f0ff;
  --ai-accent-2: #00a2ff;
  --ai-accent-3: #7e7e7e;
  --ai-accent-4: #10b981;
  
  /* Gradientes IA */
  --gradient-ai: linear-gradient(135deg, #667eea 0%, #00f0ff 25%, #f093fb 50%, #4facfe 75%, #00f0ff 100%);
  --gradient-tech: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #0f172a 100%);
  --gradient-neon: linear-gradient(90deg, #00f0ff, #00a2ff, #7e7e7e, #00f0ff);
  
  /* Backgrounds */
  --bg-dark: #0a0e27;
  --bg-card: rgba(26, 31, 58, 0.6);
  --bg-glass: rgba(255, 255, 255, 0.05);
  
  /* Shadows e Glows */
  --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.5), 0 0 40px rgba(0, 240, 255, 0.3);
  --glow-purple: 0 0 20px rgba(58, 201, 237, 0.5), 0 0 40px rgba(58, 201, 237, 0.3);
  --shadow-ai: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(0, 240, 255, 0.1);
  
  /* Typography */
  --font-primary: 'Barlow', 'Inter', system-ui, sans-serif;
  --font-secondary: 'Red Hat Text', 'Roboto', sans-serif;
  
  /* Spacing */
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-xl: 48px;
}

/* ===================================
   RESET & BASE STYLES
   =================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-secondary);
  color: #ffffff;
  background: var(--bg-dark);
  overflow-x: hidden;
  position: relative;
  line-height: 1.6;
}

/* Background animado com partículas */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(0, 240, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(124, 58, 237, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 50% 20%, rgba(236, 72, 153, 0.1) 0%, transparent 50%),
    linear-gradient(180deg, #0a0e27 0%, #1a1f3a 50%, #0a0e27 100%);
  background-size: 100% 100%;
  z-index: -2;
  animation: bgPulse 20s ease-in-out infinite;
}

@keyframes bgPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

/* Grid de conexões tecnológicas */
body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: -1;
  animation: gridMove 30s linear infinite;
  pointer-events: none;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

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

/* ===================================
   NAVBAR - Glassmorphism Moderno
   =================================== */

.navbar {
  background: rgba(10, 14, 39, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0, 240, 255, 0.1);
  padding: 1rem 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar.scrolled {
  background: rgba(10, 14, 39, 0.95);
  padding: 0.75rem 0;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5), var(--glow-cyan);
}

.brand-logo {
  height: 48px;
  width: auto;
  filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.3));
  transition: all 0.3s ease;
}

.navbar:hover .brand-logo {
  filter: drop-shadow(0 0 15px rgba(0, 240, 255, 0.5));
}

.navbar-brand {
  color: #ffffff !important;
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
}

.navbar-toggler {
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  background: rgba(0, 240, 255, 0.1);
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(0, 240, 255, 0.25);
}

.navbar-toggler-icon {
  filter: brightness(2);
}

.nav-link {
  color: rgba(255, 255, 255, 0.8) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  margin: 0 0.25rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-neon);
  transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: #00f0ff !important;
  background: rgba(0, 240, 255, 0.1);
}

.nav-link:hover::before,
.nav-link.active::before {
  width: 80%;
}

.nav-link svg {
  width: 18px;
  height: 18px;
  transition: all 0.3s ease;
}

.nav-link:hover svg {
  transform: scale(1.2);
  filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.6));
}

/* ===================================
   HERO SECTION - AI Futuristic
   =================================== */

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 4rem 0 4rem;
  background: 
    radial-gradient(circle at 30% 50%, rgba(0, 240, 255, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(124, 58, 237, 0.15) 0%, transparent 50%);
}

/* Partículas flutuantes */
.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(2px 2px at 20% 30%, rgba(0, 240, 255, 0.5), transparent),
    radial-gradient(2px 2px at 60% 70%, rgba(124, 58, 237, 0.5), transparent),
    radial-gradient(1px 1px at 50% 50%, rgba(0, 240, 255, 0.5), transparent),
    radial-gradient(1px 1px at 80% 10%, rgba(16, 185, 129, 0.5), transparent);
  background-size: 200% 200%;
  animation: particles 20s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes particles {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(30px, -30px); }
  66% { transform: translate(-20px, 20px); }
}

.hero-content {
  position: relative;
  z-index: 2;
  animation: fadeInUp 1s ease forwards;
}

.display-5 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  background: var(--gradient-ai);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
  text-shadow: 0 0 80px rgba(0, 240, 255, 0.3);
  position: relative;
}

.hero-section .lead {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  line-height: 1.7;
  max-width: 600px;
}

/* Botões com efeito neon */
.btn-primary {
  background: var(--gradient-neon);
  background-size: 200% 200%;
  border: none;
  padding: 1rem 2.5rem;
  font-weight: 600;
  font-size: 1.1rem;
  border-radius: 50px;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
  box-shadow: var(--glow-cyan);
  animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.btn-primary::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 ease;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-cyan), 0 10px 40px rgba(0, 240, 255, 0.4);
}

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

.btn-outline-light {
  border: 2px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  padding: 1rem 2.5rem;
  font-weight: 600;
  font-size: 1.1rem;
  border-radius: 50px;
  color: #ffffff;
  transition: all 0.4s ease;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

.btn-lg {
  padding: 1.25rem 3rem;
  font-size: 1.15rem;
}

.btn svg {
  width: 20px;
  height: 20px;
  display: inline-block;
  vertical-align: middle;
  margin-right: 0.5rem;
}

/* Stats Card - Glass Card */
.stats-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px) saturate(180%);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid rgba(0, 240, 255, 0.2);
  box-shadow: var(--shadow-ai);
  position: relative;
  overflow: hidden;
  animation: fadeInUp 1.2s ease forwards;
}

.stats-card::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.stats-card h3 {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.icon-wrapper {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

.icon-wrapper:hover {
  background: rgba(0, 240, 255, 0.2);
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--glow-cyan);
}

.icon-wrapper svg {
  width: 32px;
  height: 32px;
  color: #00f0ff;
  filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.6));
}

/* ===================================
   SECTIONS
   =================================== */

section {
  padding: 6rem 0;
  position: relative;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #00f0ff;
  margin-bottom: 1rem;
  position: relative;
  padding-left: 1rem;
}

.section-eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 20px;
  background: var(--gradient-neon);
  border-radius: 2px;
  box-shadow: var(--glow-cyan);
}

.section-eyebrow svg {
  width: 18px;
  height: 18px;
  color: #00f0ff;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #ffffff 0%, #00f0ff 50%, #00a2ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  position: relative;
}

/* ===================================
   FEATURE CARDS
   =================================== */

.feature-box {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-md);
  padding: 2rem;
  border: 1px solid rgba(0, 240, 255, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
  position: relative;
  overflow: hidden;
}

.feature-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.1), transparent);
  transition: left 0.6s ease;
}

.feature-box:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 240, 255, 0.4);
  box-shadow: var(--shadow-ai), var(--glow-cyan);
}

.feature-box:hover::before {
  left: 100%;
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
}

.feature-box:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
  background: rgba(0, 240, 255, 0.2);
  box-shadow: var(--glow-cyan);
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  color: #00f0ff;
}

/* ===================================
   SERVICE CARDS - AI Style
   =================================== */

.services-section {
  background: rgba(10, 14, 39, 0.5);
  position: relative;
}

.service-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid rgba(0, 240, 255, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-neon);
  background-size: 200% 200%;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
  animation: gradientShift 3s ease infinite;
}

.service-card:hover {
  transform: translateY(-12px) scale(1.02);
  border-color: rgba(0, 240, 255, 0.4);
  box-shadow: var(--shadow-ai), var(--glow-cyan);
}

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

.service-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background: rgba(0, 240, 255, 0.1);
  border: 2px solid rgba(0, 240, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: all 0.4s ease;
}

.service-icon::before {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: inherit;
  padding: 3px;
  background: var(--gradient-neon);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(10deg);
  background: rgba(0, 240, 255, 0.2);
  box-shadow: var(--glow-cyan);
}

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

.service-icon svg {
  width: 40px;
  height: 40px;
  color: #00f0ff;
  position: relative;
  z-index: 1;
}

.service-card h3 {
  color: #ffffff;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.service-card p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  flex-grow: 1;
}

/* ===================================
   DIFFERENTIAL CARDS
   =================================== */

.bg-soft {
  background: rgba(26, 31, 58, 0.3);
  position: relative;
}

.differential-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid rgba(124, 58, 237, 0.2);
  transition: all 0.4s ease;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.differential-card::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.differential-card:hover {
  transform: translateY(-10px);
  border-color: rgba(124, 58, 237, 0.5);
  box-shadow: var(--shadow-ai), var(--glow-purple);
}

.differential-card:hover::after {
  opacity: 1;
}

.differential-icon {
  width: 70px;
  height: 70px;
  border-radius: 18px;
  background: rgba(124, 58, 237, 0.15);
  border: 2px solid rgba(124, 58, 237, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
}

.differential-card:hover .differential-icon {
  transform: scale(1.15) rotate(-5deg);
  box-shadow: var(--glow-purple);
}

.differential-icon svg {
  width: 36px;
  height: 36px;
  color: #00a2ff;
}

.differential-card h3 {
  color: #ffffff;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.differential-card p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

/* ===================================
   TESTIMONIAL CARDS
   =================================== */

.testimonial-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid rgba(236, 72, 153, 0.2);
  position: relative;
  overflow: hidden;
  height: 100%;
  transition: all 0.4s ease;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 20px;
  font-size: 150px;
  font-family: Georgia, serif;
  color: rgba(236, 72, 153, 0.1);
  line-height: 1;
  z-index: 0;
}

.testimonial-card:hover {
  transform: translateY(-8px);
  border-color: rgba(236, 72, 153, 0.5);
  box-shadow: var(--shadow-ai);
}

.testimonial-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(236, 72, 153, 0.15);
  border: 2px solid rgba(236, 72, 153, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.testimonial-icon svg {
  width: 28px;
  height: 28px;
  color: #7e7e7e;
}

.testimonial-card p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
  font-style: italic;
}

.testimonial-card span {
  color: #00f0ff;
  font-size: 0.85rem;
  font-weight: 600;
  position: relative;
  z-index: 1;
}

/* ===================================
   FINAL CTA SECTION
   =================================== */

.final-cta-section {
  background: var(--gradient-tech);
  border-radius: var(--radius-xl);
  padding: 5rem 4rem;
  margin: 4rem auto;
  max-width: 1200px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 240, 255, 0.2);
  box-shadow: var(--shadow-ai), var(--glow-cyan);
}

.final-cta-section::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.final-cta-section::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -20px) scale(1.1); }
}

.final-cta-section .section-title,
.final-cta-section .section-eyebrow {
  color: #ffffff;
  position: relative;
  z-index: 1;
}

.final-cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.15rem;
  position: relative;
  z-index: 1;
}

.final-cta-section .btn-light {
  background: #ffffff;
  color: var(--ai-primary);
  border: none;
  padding: 1.25rem 3rem;
  font-weight: 700;
  font-size: 1.15rem;
  border-radius: 50px;
  box-shadow: 0 10px 40px rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
  position: relative;
  z-index: 1;
}

.final-cta-section .btn-light:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 50px rgba(255, 255, 255, 0.4);
}

/* ===================================
   CONTACT SECTION
   =================================== */

.contact-section {
  background: rgba(10, 14, 39, 0.5);
}

.contact-form-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  padding: 3rem;
  border: 1px solid rgba(0, 240, 255, 0.2);
  box-shadow: var(--shadow-ai);
  position: relative;
  overflow: hidden;
}

.contact-form-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-neon);
  background-size: 200% 200%;
  animation: gradientShift 3s ease infinite;
}

.contact-form-card .form-control,
.contact-form-card .form-select {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  color: #ffffff;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.contact-form-card .form-control:focus,
.contact-form-card .form-select:focus {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(0, 240, 255, 0.5);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1), var(--glow-cyan);
  color: #ffffff;
  outline: none;
}

.contact-form-card .form-control::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.contact-form-card label {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.contact-info .contact-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1.5rem;
  transition: all 0.3s ease;
}

.contact-info .d-flex:hover .contact-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--glow-cyan);
}

.contact-icon svg {
  width: 28px;
  height: 28px;
  color: #00f0ff;
}

.contact-info a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-info a:hover {
  color: #00f0ff;
}

/* ===================================
   FOOTER
   =================================== */

.footer {
  background: rgba(10, 14, 39, 0.95);
  border-top: 1px solid rgba(0, 240, 255, 0.1);
  padding: 3rem 0 2rem;
}

.brand-logo-footer {
  height: 48px;
  filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.3));
}

.footer p {
  color: rgba(255, 255, 255, 0.7);
  margin-top: 1rem;
}

.social-link {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  transition: all 0.3s ease;
  margin-right: 0.75rem;
}

.social-link:hover {
  background: rgba(0, 240, 255, 0.2);
  border-color: rgba(0, 240, 255, 0.5);
  transform: translateY(-3px);
  box-shadow: var(--glow-cyan);
  color: #00f0ff;
}

.social-link svg {
  width: 24px;
  height: 24px;
}

.footer a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer a:hover {
  color: #00f0ff;
}

/* ===================================
   FLOATING WHATSAPP
   =================================== */

.floating-whatsapp {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25d366, #128c7e);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.5);
  transition: all 0.3s ease;
  z-index: 999;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.5);
  }
  50% {
    box-shadow: 0 10px 40px rgba(37, 211, 102, 0.8), 0 0 0 10px rgba(37, 211, 102, 0.2);
  }
}

.floating-whatsapp:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 15px 50px rgba(37, 211, 102, 0.7);
}

.floating-whatsapp svg {
  width: 36px;
  height: 36px;
}

/* ===================================
   ANIMATIONS
   =================================== */

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

.fade-in {
  animation: fadeInUp 0.8s ease forwards;
}

/* ===================================
   UTILITIES
   =================================== */

.text-white-50 {
  color: rgba(255, 255, 255, 0.7) !important;
}

.text-muted {
  color: rgba(255, 255, 255, 0.6) !important;
}

.about-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  padding: 3rem;
  border: 1px solid rgba(0, 240, 255, 0.2);
  box-shadow: var(--shadow-ai);
  position: relative;
}

.about-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-neon);
  background-size: 200% 200%;
  animation: gradientShift 3s ease infinite;
}

.about-card svg.text-primary {
  width: 20px;
  height: 20px;
  color: #00f0ff;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 1199.98px) {
  .hero-section {
    padding: 3rem 0 3rem;
  }
  
  .final-cta-section {
    padding: 4rem 3rem;
  }
}

@media (max-width: 991.98px) {
  .navbar {
    background: rgba(10, 14, 39, 0.98);
  }

  .hero-section {
    padding-top: 4rem;
    text-align: center;
  }

  .hero-section .lead {
    margin: 0 auto 2rem;
  }

  .hero-content {
    text-align: center;
  }

  .stats-card {
    margin-top: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }

  .display-5 {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .section-title {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
  }

  .final-cta-section {
    margin: 3rem 1rem;
    padding: 3rem 2rem;
    text-align: center;
  }

  .final-cta-section .btn {
    width: 100%;
    margin-top: 1rem;
  }

  .floating-whatsapp {
    width: 60px;
    height: 60px;
    bottom: 20px;
    right: 20px;
  }

  .floating-whatsapp svg {
    width: 32px;
    height: 32px;
  }
}

@media (max-width: 767.98px) {
  :root {
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
  }

  section {
    padding: 4rem 0;
  }

  .hero-section {
    padding: 3rem 0 2rem;
    min-height: auto;
  }

  .display-5 {
    font-size: 2rem;
    margin-bottom: 1rem;
  }

  .hero-section .lead {
    font-size: 1rem;
    margin-bottom: 2rem;
  }

  .btn {
    width: 100%;
    margin-bottom: 1rem;
  }

  .btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
  }

  .stats-card,
  .service-card,
  .differential-card,
  .testimonial-card,
  .feature-box,
  .about-card,
  .contact-form-card {
    padding: 2rem 1.5rem;
  }

  .service-icon,
  .differential-icon,
  .icon-wrapper,
  .feature-icon {
    width: 56px;
    height: 56px;
  }

  .service-icon svg,
  .differential-icon svg {
    width: 32px;
    height: 32px;
  }

  .section-title {
    font-size: 1.75rem;
    margin-bottom: 1rem;
  }

  .section-eyebrow {
    font-size: 0.75rem;
  }

  .final-cta-section {
    padding: 2.5rem 1.5rem;
  }

  .contact-form-card {
    padding: 2rem 1.5rem;
  }

  .footer {
    text-align: center;
    padding: 2rem 0 1rem;
  }

  .footer .row > div {
    margin-bottom: 2rem;
  }
}

@media (max-width: 575.98px) {
  .brand-logo,
  .brand-logo-footer {
    height: 36px;
  }

  .hero-section {
    padding-top: 3rem;
  }

  .display-5 {
    font-size: 1.75rem;
    line-height: 1.2;
  }

  .stats-card,
  .service-card,
  .differential-card,
  .testimonial-card {
    padding: 1.5rem 1.25rem;
  }

  .service-icon,
  .differential-icon,
  .icon-wrapper {
    width: 50px;
    height: 50px;
    margin-bottom: 1rem;
  }

  .service-icon svg,
  .differential-icon svg,
  .icon-wrapper svg {
    width: 28px;
    height: 28px;
  }

  .floating-whatsapp {
    width: 56px;
    height: 56px;
    bottom: 15px;
    right: 15px;
  }

  .floating-whatsapp svg {
    width: 28px;
    height: 28px;
  }

  .nav-link {
    padding: 0.75rem 1rem !important;
  }
}

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