/* =====================================================
   INTECOTECH - Main Stylesheet 2026
   Modern, Mobile-First, Accessible Design
   ===================================================== */

/* ==================== CSS VARIABLES ==================== */
:root {
  /* Colors - Modern Electric Theme */
  --color-primary: #0066FF;
  --color-primary-dark: #0052CC;
  --color-primary-light: #4D94FF;
  --color-secondary: #00D4AA;
  --color-secondary-dark: #00B894;
  --color-accent: #FF6B35;
  --color-warning: #FFB800;
  --color-danger: #FF4757;
  --color-success: #00D26A;
  
  /* Neutrals */
  --color-dark: #0A1628;
  --color-dark-light: #1A2744;
  --color-gray-900: #1E293B;
  --color-gray-800: #334155;
  --color-gray-700: #475569;
  --color-gray-600: #64748B;
  --color-gray-500: #94A3B8;
  --color-gray-400: #CBD5E1;
  --color-gray-300: #E2E8F0;
  --color-gray-200: #F1F5F9;
  --color-gray-100: #F8FAFC;
  --color-white: #FFFFFF;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  --gradient-hero: linear-gradient(135deg, #0A1628 0%, #1A365D 50%, #0D47A1 100%);
  --gradient-solar: linear-gradient(135deg, #FF6B35 0%, #FFB800 100%);
  --gradient-eco: linear-gradient(135deg, #00D4AA 0%, #00B894 100%);
  
  /* Typography */
  --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-secondary: 'Inter', 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 30px rgba(0, 102, 255, 0.3);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Z-Index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
}

/* ==================== RESET & BASE ==================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-secondary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

input, button, textarea, select {
  font: inherit;
}

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

a:hover {
  color: var(--color-primary-dark);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark);
}

/* ==================== UTILITIES ==================== */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
}

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

.section {
  padding: var(--spacing-3xl) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--spacing-4xl) 0;
  }
}

.section-dark {
  background: var(--color-gray-100);
}

.section-gradient {
  background: var(--gradient-hero);
  color: var(--color-white);
}

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

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

/* ==================== SECTION HEADERS ==================== */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-tag {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  background: rgba(0, 102, 255, 0.1);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-md);
}

.section-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

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

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  max-width: 700px;
  margin: 0 auto;
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: var(--font-size-base);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-sm {
  font-size: var(--font-size-sm);
  padding: 0.5rem 1rem;
}

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

.btn-xl {
  font-size: var(--font-size-xl);
  padding: 1.25rem 2.5rem;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  border-color: transparent;
}

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

.btn-secondary {
  background: var(--gradient-eco);
  color: var(--color-white);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-white);
}

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

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

.btn-outline-light {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-outline-light:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn-whatsapp {
  background: #25D366;
  border-color: #25D366;
}

.btn-whatsapp:hover {
  background: #128C7E;
  border-color: #128C7E;
  color: var(--color-white);
}

.btn-emergency {
  background: var(--color-danger);
  border-color: var(--color-danger);
  animation: pulse-emergency 2s infinite;
}

@keyframes pulse-emergency {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 71, 87, 0.4); }
  50% { box-shadow: 0 0 0 10px rgba(255, 71, 87, 0); }
}

/* ==================== HEADER / NAVIGATION ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

@media (min-width: 1024px) {
  .header .container {
    height: 80px;
  }
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 45px;
  width: auto;
}

@media (min-width: 768px) {
  .logo img {
    height: 55px;
  }
}

.nav-menu {
  display: none;
  gap: var(--spacing-xl);
}

@media (min-width: 1024px) {
  .nav-menu {
    display: flex;
  }
}

.nav-link {
  font-family: var(--font-primary);
  font-weight: 500;
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  padding: var(--spacing-sm) 0;
  position: relative;
}

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

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: var(--color-gray-100);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
}

.lang-btn {
  background: none;
  border: none;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-500);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-btn:hover,
.lang-btn.active {
  color: var(--color-primary);
  background: var(--color-white);
}

.header-cta {
  display: none;
}

@media (min-width: 768px) {
  .header-cta {
    display: inline-flex;
  }
}

.header-phone {
  display: none;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-dark);
}

@media (min-width: 1200px) {
  .header-phone {
    display: flex;
  }
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

@media (min-width: 1024px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.hamburger {
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  position: relative;
  transition: all var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  transition: all var(--transition-fast);
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  top: 8px;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger {
  background: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::before {
  transform: rotate(45deg);
  top: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::after {
  transform: rotate(-45deg);
  top: 0;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  padding: var(--spacing-xl);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
  z-index: var(--z-fixed);
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu .nav-link {
  display: block;
  font-size: var(--font-size-lg);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.mobile-menu .btn {
  width: 100%;
  margin-top: var(--spacing-lg);
}

/* ==================== HERO SECTION ==================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  padding-top: 70px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='https://i.etsystatic.com/57751073/r/il/e68d14/6713219695/il_fullxfull.6713219695_js3n.jpg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

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

.hero-content {
  max-width: 800px;
  color: var(--color-white);
  padding: var(--spacing-2xl) 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-badge i {
  color: var(--color-secondary);
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: var(--font-size-5xl);
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: var(--font-size-6xl);
  }
}

.hero-title .highlight {
  color: var(--color-secondary);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
}

@media (min-width: 768px) {
  .hero-subtitle {
    font-size: var(--font-size-xl);
  }
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
}

@media (min-width: 480px) {
  .hero-ctas {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

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

.hero-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

.hero-feature i {
  color: var(--color-secondary);
  font-size: var(--font-size-lg);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-2xl);
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-white);
  opacity: 0.7;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

/* ==================== SERVICES SECTION ==================== */
.services-grid {
  display: grid;
  gap: var(--spacing-xl);
}

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

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

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid var(--color-gray-200);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  background: rgba(0, 102, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.service-icon i {
  font-size: 1.75rem;
  color: var(--color-primary);
}

.service-icon.emergency {
  background: rgba(255, 71, 87, 0.1);
}

.service-icon.emergency i {
  color: var(--color-danger);
}

.service-icon.solar {
  background: var(--gradient-solar);
}

.service-icon.solar i {
  color: var(--color-white);
}

.service-icon.ev {
  background: var(--gradient-eco);
}

.service-icon.ev i {
  color: var(--color-white);
}

.service-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.service-description {
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

.service-features {
  margin-bottom: var(--spacing-lg);
}

.service-features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) 0;
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
}

.service-features li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: bold;
}

.service-card .btn {
  width: 100%;
}

/* ==================== FEATURES / WHY US ==================== */
.features-grid {
  display: grid;
  gap: var(--spacing-xl);
}

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

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

.feature-card {
  text-align: center;
  padding: var(--spacing-xl);
}

.feature-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
}

.feature-icon i {
  font-size: 2rem;
  color: var(--color-white);
}

.feature-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  color: var(--color-gray-600);
}

/* ==================== PROCESS SECTION ==================== */
.process-steps {
  display: grid;
  gap: var(--spacing-xl);
}

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

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

.process-step {
  position: relative;
  text-align: center;
  padding: var(--spacing-xl);
}

.step-number {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: var(--color-white);
  font-family: var(--font-primary);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
}

.process-step h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.process-step p {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
}

/* ==================== AREAS SECTION ==================== */
.areas-grid {
  display: grid;
  gap: var(--spacing-lg);
}

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

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

.area-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}

.area-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.area-card i {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.area-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
}

.area-card p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.area-tag {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  background: var(--color-gray-200);
  color: var(--color-gray-700);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  margin-top: var(--spacing-sm);
}

.area-tag.primary {
  background: rgba(0, 102, 255, 0.1);
  color: var(--color-primary);
}

/* ==================== TESTIMONIALS ==================== */
.testimonials-grid {
  display: grid;
  gap: var(--spacing-xl);
}

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

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

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.testimonial-rating {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
  color: var(--color-warning);
}

.testimonial-text {
  font-size: var(--font-size-lg);
  font-style: italic;
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background: var(--color-gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
}

.author-avatar i {
  font-size: 1.5rem;
  color: var(--color-gray-500);
}

.author-info strong {
  display: block;
  color: var(--color-dark);
}

.author-info span {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

/* ==================== CERTIFICATIONS ==================== */
.certifications-grid {
  display: grid;
  gap: var(--spacing-lg);
}

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

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

.cert-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  border: 1px solid var(--color-gray-200);
}

.cert-icon {
  width: 70px;
  height: 70px;
  border-radius: var(--radius-full);
  background: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
}

.cert-icon i {
  font-size: 1.75rem;
  color: var(--color-primary);
}

.cert-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.cert-card p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

/* ==================== PROJECTS / GALLERY ==================== */
.projects-grid {
  display: grid;
  gap: var(--spacing-lg);
}

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

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

.project-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-gray-200);
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover img {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-lg);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: var(--color-white);
}

.project-overlay h3 {
  color: var(--color-white);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
}

.project-overlay p {
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

/* ==================== CTA SECTION ==================== */
.cta-section {
  background: var(--gradient-hero);
  color: var(--color-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  animation: rotate 30s linear infinite;
}

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

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

.cta-title {
  color: var(--color-white);
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

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

.cta-text {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto var(--spacing-2xl);
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  justify-content: center;
  align-items: center;
}

@media (min-width: 480px) {
  .cta-buttons {
    flex-direction: row;
  }
}

/* ==================== CONTACT FORM ==================== */
.contact-form {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-gray-700);
}

.form-label .required {
  color: var(--color-danger);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  background: var(--color-white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

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

.form-row {
  display: grid;
  gap: var(--spacing-lg);
}

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

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

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

.form-checkbox label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.form-checkbox a {
  color: var(--color-primary);
  text-decoration: underline;
}

.form-file {
  position: relative;
}

.form-file input[type="file"] {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.file-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xl);
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--radius-lg);
  background: var(--color-gray-100);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.file-label:hover {
  border-color: var(--color-primary);
  background: rgba(0, 102, 255, 0.05);
}

.file-label i {
  font-size: 1.5rem;
  color: var(--color-gray-500);
}

.file-info {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  margin-top: var(--spacing-sm);
}

/* Honeypot - Hidden from users */
.ohnohoney {
  opacity: 0;
  position: absolute;
  top: 0;
  left: 0;
  height: 0;
  width: 0;
  z-index: -1;
}

/* Form Messages */
.form-message {
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  margin-top: var(--spacing-lg);
  display: none;
}

.form-message.success {
  display: block;
  background: rgba(0, 210, 106, 0.1);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.form-message.error {
  display: block;
  background: rgba(255, 71, 87, 0.1);
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
}

/* ==================== FOOTER ==================== */
.footer {
  background: var(--color-dark);
  color: var(--color-gray-400);
  padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-grid {
  display: grid;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

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

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-col h4 {
  color: var(--color-white);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-logo img {
  height: 50px;
  margin-bottom: var(--spacing-md);
}

.footer-description {
  font-size: var(--font-size-sm);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

.footer-social a {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-dark-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
}

.footer-contact i {
  color: var(--color-primary);
  width: 20px;
}

.footer-contact a {
  color: var(--color-gray-400);
}

.footer-contact a:hover {
  color: var(--color-white);
}

.footer-bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-dark-light);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  text-align: center;
  font-size: var(--font-size-sm);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-legal {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
}

@media (min-width: 768px) {
  .footer-legal {
    justify-content: flex-end;
  }
}

.footer-legal a {
  color: var(--color-gray-400);
}

.footer-legal a:hover {
  color: var(--color-white);
}

/* ==================== FLOATING WHATSAPP ==================== */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-fixed);
  transition: all var(--transition-base);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 10px 40px rgba(37, 211, 102, 0.4);
  color: var(--color-white);
}

.whatsapp-float i {
  font-size: 1.75rem;
}

.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
}

/* ==================== COOKIE BANNER ==================== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-lg);
  z-index: var(--z-modal);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .cookie-content {
    flex-direction: row;
    text-align: left;
  }
}

.cookie-content p {
  font-size: var(--font-size-sm);
}

.cookie-content a {
  color: var(--color-secondary);
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

/* ==================== ANIMATIONS ==================== */
.animate-fade-up {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

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

/* ==================== PAGE SPECIFIC - CAREERS ==================== */
.careers-intro {
  background: var(--color-gray-100);
}

.benefits-grid {
  display: grid;
  gap: var(--spacing-lg);
}

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

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

.benefit-item {
  text-align: center;
  padding: var(--spacing-xl);
}

.benefit-item i {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.benefit-item h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.benefit-item p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

/* ==================== RESPONSIVE UTILITIES ==================== */
@media (max-width: 767px) {
  .hide-mobile {
    display: none !important;
  }
}

@media (min-width: 768px) {
  .hide-desktop {
    display: none !important;
  }
}

/* ==================== PRINT STYLES ==================== */
@media print {
  .header,
  .whatsapp-float,
  .cookie-banner,
  .btn {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  .section {
    padding: 20pt 0;
  }
}