:root {
  
  --primary-blue: #1e3a5f;
  --primary-blue-light: #2c5aa0;
  --primary-blue-dark: #0f1a2b;
  --warm-gray: #6b7280;
  --warm-gray-light: #9ca3af;
  --warm-gray-dark: #374151;
  --terracotta: #d2691e;
  --terracotta-light: #e6934a;
  --terracotta-dark: #a0440f;
  --soft-green: #6b8e23;
  --soft-green-light: #8fb339;
  --soft-green-dark: #4a5d15;
  --muted-gold: #daa520;
  --muted-gold-light: #f4d03f;
  --muted-gold-dark: #b8860b;

  --white: #ffffff;
  --off-white: #fafafa;
  --black: #000000;
  --transparent: rgba(255, 255, 255, 0.1);

  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Merriweather', serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;
  --letter-spacing-base: 0.02em;

  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 2rem;

  --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 -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  --transition-fast: 0.15s ease-in-out;
  --transition-base: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;

  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  opacity: 1 !important;
  visibility: visible !important;
}

html {
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--warm-gray-dark);
  background-color: var(--off-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: var(--letter-spacing-base);
  color: var(--primary-blue);
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

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

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

.container-fluid {
  width: 100%;
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 576px) {
  .container-fluid {
    max-width: 540px;
  }
}

@media (min-width: 768px) {
  .container-fluid {
    max-width: 720px;
  }
}

@media (min-width: 992px) {
  .container-fluid {
    max-width: 960px;
  }
}

@media (min-width: 1200px) {
  .container-fluid {
    max-width: 1140px;
  }
}

@media (min-width: 1400px) {
  .container-fluid {
    max-width: 1320px;
  }
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin-left: calc(var(--spacing-lg) * -1);
  margin-right: calc(var(--spacing-lg) * -1);
}

.col {
  flex: 1;
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

.col-12 { flex: 0 0 100%; max-width: 100%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }

@media (max-width: 767px) {
  .col-6, .col-4, .col-3 {
    flex: 0 0 100%;
    max-width: 100%;
  }
}

.d-flex { display: flex; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-primary { color: var(--primary-blue); }
.text-secondary { color: var(--warm-gray); }
.text-accent { color: var(--terracotta); }
.text-success { color: var(--soft-green); }
.text-warning { color: var(--muted-gold); }
.text-white { color: var(--white); }
.text-uppercase { text-transform: uppercase; }
.font-weight-bold { font-weight: 700; }
.font-weight-normal { font-weight: 400; }

.bg-primary { background-color: var(--primary-blue); }
.bg-secondary { background-color: var(--warm-gray); }
.bg-accent { background-color: var(--terracotta); }
.bg-light { background-color: var(--off-white); }
.bg-dark { background-color: var(--primary-blue-dark); }
.bg-gradient-primary {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
}
.bg-glassmorphism {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.border { border: 1px solid var(--warm-gray-light); }
.border-top { border-top: 1px solid var(--warm-gray-light); }
.border-bottom { border-bottom: 1px solid var(--warm-gray-light); }
.border-radius { border-radius: var(--radius-md); }
.border-radius-lg { border-radius: var(--radius-lg); }
.border-radius-xl { border-radius: var(--radius-xl); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  user-select: none;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  line-height: 1.5;
}

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

.btn-primary:hover {
  background-color: var(--primary-blue-light);
  border-color: var(--primary-blue-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-accent {
  color: var(--white);
  background-color: var(--terracotta);
  border-color: var(--terracotta);
}

.btn-accent:hover {
  background-color: var(--terracotta-light);
  border-color: var(--terracotta-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-xxl);
  font-size: 1.125rem;
}

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 0.875rem;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  word-wrap: break-word;
  background-color: var(--white);
  background-clip: border-box;
  border: 1px solid rgba(0, 0, 0, 0.125);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
  display: block !important;
  opacity: 1 !important;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-body {
  flex: 1 1 auto;
  padding: var(--spacing-lg);
}

.card-title {
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
  font-weight: 600;
}

.card-text {
  margin-bottom: var(--spacing-md);
}

.navbar {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-blue);
  text-decoration: none;
}

.navbar-nav {
  display: flex;
  flex-direction: column;
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
}

.navbar-nav .nav-link {
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--warm-gray-dark);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.navbar-nav .nav-link:hover {
  color: var(--terracotta);
}

@media (min-width: 992px) {
  .navbar-nav {
    flex-direction: row;
  }
}

.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
  color: var(--white);
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="50" cy="50" r="2" fill="%23ffffff" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: var(--spacing-xl);
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 1s ease-out;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero .btn {
  animation: fadeInUp 1s ease-out 0.4s both;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  cursor: pointer;
}

.portfolio-item:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.portfolio-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.portfolio-item:hover img {
  transform: scale(1.1);
}

.portfolio-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  color: var(--white);
  padding: var(--spacing-lg);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay {
  transform: translateY(0);
}

.testimonial-slider {
  position: relative;
  overflow: hidden;
  padding: var(--spacing-xl) 0;
}

.testimonial-slide {
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin: 0 var(--spacing-md);
}

.testimonial-text {
  font-style: italic;
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  color: var(--warm-gray-dark);
}

.testimonial-author {
  font-weight: 600;
  color: var(--primary-blue);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.service-card {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.service-icon {
  font-size: 3rem;
  color: var(--terracotta);
  margin-bottom: var(--spacing-md);
}

.contact-form {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  max-width: 600px;
  margin: 0 auto;
}

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

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

.form-control {
  display: block;
  width: 100%;
  padding: var(--spacing-md);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--warm-gray-dark);
  background-color: var(--off-white);
  border: 2px solid var(--warm-gray-light);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 0.2rem rgba(30, 58, 95, 0.25);
  outline: 0;
}

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

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.btn:hover {
  animation: pulse 0.6s ease-in-out;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

[data-aos] {
  opacity: 1 !important;
}

[data-aos="fade-up"] {
  transform: translateY(0);
}

[data-aos="fade-in"] {
  opacity: 1;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

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

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

  .navbar {
    padding: var(--spacing-md);
  }

  .btn {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 0.875rem;
  }
}

.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;
}

.focus-visible:focus {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

@media print {
  .navbar,
  .btn,
  .hero::before {
    display: none;
  }

  body {
    background: var(--white);
    color: var(--black);
  }
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--off-white);
}

::-webkit-scrollbar-thumb {
  background: var(--warm-gray);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--warm-gray-dark);
}

.glass-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.pattern-bg {
  background-image: 
    radial-gradient(circle at 25% 25%, var(--soft-green) 2px, transparent 2px),
    radial-gradient(circle at 75% 75%, var(--terracotta) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.05;
}

.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--warm-gray-light);
  border-radius: 50%;
  border-top-color: var(--primary-blue);
  animation: spin 1s ease-in-out infinite;
}

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

.alert {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

.alert-success {
  background-color: rgba(107, 142, 35, 0.1);
  border: 1px solid var(--soft-green);
  color: var(--soft-green-dark);
}

.alert-error {
  background-color: rgba(210, 105, 30, 0.1);
  border: 1px solid var(--terracotta);
  color: var(--terracotta-dark);
}

.menu-item {
  display: block !important;
  opacity: 1 !important;
}

.content-block {
  display: block !important;
  opacity: 1 !important;
}

.timeline {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 6px;
  background: linear-gradient(to bottom, var(--primary-blue), var(--terracotta));
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -3px;
  border-radius: var(--radius-xl);
}

.timeline-item {
  padding: var(--spacing-xl) 40px;
  position: relative;
  background-color: inherit;
  width: 50%;
}

.timeline-item::after {
  content: '';
  position: absolute;
  width: 25px;
  height: 25px;
  right: -17px;
  background-color: var(--white);
  border: 4px solid var(--terracotta);
  top: 15px;
  border-radius: 50%;
  z-index: 1;
}

.timeline-item:nth-child(even) {
  left: 0;
}

.timeline-item:nth-child(odd) {
  left: 50%;
}

.timeline-content {
  padding: var(--spacing-lg);
  background-color: var(--white);
  position: relative;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.timeline-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

@media (max-width: 767px) {
  .timeline::after {
    left: 31px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: var(--spacing-lg);
  }

  .timeline-item:nth-child(even),
  .timeline-item:nth-child(odd) {
    left: 0;
  }

  .timeline-item::after {
    left: 15px;
  }

  .timeline-item:nth-child(even)::after {
    left: 15px;
  }
}

.before-after-slider {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.before-image,
.after-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
}

.after-image {
  clip-path: inset(0 0 0 50%);
}

.slider-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 4px;
  height: 40px;
  background-color: var(--white);
  border-radius: var(--radius-sm);
  cursor: ew-resize;
  box-shadow: var(--shadow-md);
  z-index: 10;
}

.slider-handle::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  background-color: transparent;
}

.filter-btn {
  margin: 0 var(--spacing-sm);
  transition: all var(--transition-base);
}

.filter-btn.active {
  background-color: var(--primary-blue);
  border-color: var(--primary-blue);
  color: var(--white);
}

.counter {
  font-size: 3rem;
  font-weight: 700;
  color: var(--terracotta);
  display: inline-block;
}

.contact-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.form-step {
  display: none;
}

.form-step.active {
  display: block;
}

.sticky-top {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.9);
  color: var(--white);
  padding: var(--spacing-lg);
  z-index: var(--z-fixed);
  box-shadow: var(--shadow-xl);
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

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

@media (max-width: 767px) {
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }

  .cookie-buttons {
    justify-content: center;
  }
}