:root {
  /* Tetrad color scheme */
  --primary-color: #3C6E71;
  --primary-dark: #2A4E50;
  --primary-light: #5D9EA1;
  --secondary-color: #D9594C;
  --secondary-dark: #B13C31;
  --secondary-light: #E57C71;
  --tertiary-color: #FFD166;
  --tertiary-dark: #E6B84D;
  --tertiary-light: #FFE0A3;
  --quaternary-color: #9370DB;
  --quaternary-dark: #7A5AB8;
  --quaternary-light: #B18EF2;
  
  /* Neutral colors */
  --white: #FFFFFF;
  --light-gray: #F4F5F7;
  --medium-gray: #E0E0E0;
  --dark-gray: #5A5A5A;
  --black: #222222;
  
  /* Glassmorphism variables */
  --glass-bg: rgba(255, 255, 255, 0.15);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
  --glass-border: 1px solid rgba(255, 255, 255, 0.18);
  --glass-blur: blur(8px);
  
  /* Common spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-round: 50%;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Fonts */
  --font-heading: 'Inter', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  
  /* Font sizes */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 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 weights */
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Box shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.04);
  
  /* Z-indices */
  --z-header: 100;
  --z-modal: 200;
  --z-toast: 300;
  --z-cookie: 9999;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--black);
  line-height: 1.6;
  background-color: var(--light-gray);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--black);
}

h1 {
  font-size: var(--font-size-5xl);
}

h2 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--spacing-sm);
}

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

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

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

ul, ol {
  list-style-position: inside;
  margin-bottom: var(--spacing-sm);
}

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

/* Section styles */
section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-header h2 {
  position: relative;
  display: inline-block;
  margin-bottom: var(--spacing-sm);
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--primary-color);
}

.section-header p {
  max-width: 800px;
  margin: var(--spacing-sm) auto;
  color: var(--dark-gray);
  font-size: var(--font-size-lg);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-md);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-bounce);
  text-decoration: none;
  border: none;
  outline: none;
  box-shadow: var(--shadow-md);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

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

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

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

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

.btn-secondary:hover {
  background-color: var(--secondary-dark);
  color: var(--white);
}

.btn-tertiary {
  background-color: var(--tertiary-color);
  color: var(--black);
}

.btn-tertiary:hover {
  background-color: var(--tertiary-dark);
  color: var(--black);
}

.btn-quaternary {
  background-color: var(--quaternary-color);
  color: var(--white);
}

.btn-quaternary:hover {
  background-color: var(--quaternary-dark);
  color: var(--white);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

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

/* Header styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-header);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-sm) 0;
  transition: all var(--transition-normal);
}

.header.scrolled {
  padding: 0.5rem 0;
  background: rgba(255, 255, 255, 0.95);
}

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

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

.logo img {
  height: 60px;
  width: auto;
}

.desktop-nav {
  display: flex;
}

.desktop-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.desktop-nav li {
  margin-left: var(--spacing-md);
}

.desktop-nav a {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-medium);
  color: var(--black);
  text-decoration: none;
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-normal);
}

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

.desktop-nav a:hover {
  color: var(--primary-color);
}

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--black);
  transition: all var(--transition-normal);
}

.mobile-nav {
  display: none;
  background-color: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.mobile-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-nav li {
  margin-bottom: var(--spacing-sm);
}

.mobile-nav a {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-medium);
  color: var(--black);
  text-decoration: none;
  display: block;
  padding: var(--spacing-xs) 0;
}

/* Hero section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding-top: 100px;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.3));
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin-left: 0;
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  transform: translateX(0);
  animation: slideIn 1s var(--transition-bounce) forwards;
}

@keyframes slideIn {
  0% {
    opacity: 0;
    transform: translateX(-50px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero-content h1 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-size: 3.5rem;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero-content p {
  color: var(--white);
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-lg);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
}

/* Services section */
.services {
  background-color: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.services .card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-bounce), box-shadow var(--transition-normal);
}

.services .card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.services .card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

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

.services .card-content {
  padding: var(--spacing-md);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.services .card-content h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.services .card-content p {
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

/* Portfolio section */
.portfolio {
  background-color: var(--light-gray);
  position: relative;
}

.portfolio::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('./image/pattern-bg.jpg') center/cover no-repeat;
  opacity: 0.05;
  z-index: 0;
}

.portfolio-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.filter-btn {
  padding: 0.5rem 1.5rem;
  background-color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-bounce);
}

.filter-btn.active, .filter-btn:hover {
  background-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  position: relative;
  z-index: 1;
}

.portfolio-item {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-bounce), box-shadow var(--transition-normal);
}

.portfolio-item:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.portfolio-item .card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.portfolio-item .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.portfolio-item:hover .card-image img {
  transform: scale(1.05);
}

.portfolio-item .card-content {
  padding: var(--spacing-md);
}

.portfolio-item .card-content h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

/* Team section */
.team {
  background-color: var(--white);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.team .card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-bounce), box-shadow var(--transition-normal);
}

.team .card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.team .card-image {
  width: 100%;
  height: 350px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

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

.team .card-content {
  padding: var(--spacing-md);
  text-align: center;
}

.team .card-content h3 {
  color: var(--primary-color);
  margin-bottom: 0.25rem;
}

.team .position {
  color: var(--secondary-color);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-sm);
}

/* Case Studies section */
.case-studies {
  background-color: var(--light-gray);
}

.cases-accordion {
  max-width: 900px;
  margin: 0 auto;
}

.accordion-item {
  margin-bottom: var(--spacing-md);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-md);
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background-color: var(--primary-color);
  color: var(--white);
  cursor: pointer;
  transition: background-color var(--transition-normal);
}

.accordion-header:hover {
  background-color: var(--primary-dark);
}

.accordion-header h3 {
  margin: 0;
  color: var(--white);
}

.accordion-icon {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  transition: transform var(--transition-normal);
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  display: none;
  padding: var(--spacing-md);
}

.accordion-item.active .accordion-content {
  display: block;
}

.case-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.case-image {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.case-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.case-text h4 {
  color: var(--primary-color);
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
}

.case-text ul {
  list-style-type: disc;
  padding-left: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

/* Accolades section */
.accolades {
  background-color: var(--white);
}

.accolades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.accolade-item {
  text-align: center;
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  transition: transform var(--transition-bounce);
}

.accolade-item:hover {
  transform: translateY(-10px);
}

.accolade-item img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius-round);
  margin: 0 auto var(--spacing-sm);
  border: 3px solid var(--primary-color);
}

.accolade-item h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-lg);
}

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

/* Resources section */
.resources {
  background-color: var(--light-gray);
  position: relative;
}

.resources::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('./image/pattern-dots.jpg') center/cover no-repeat;
  opacity: 0.05;
  z-index: 0;
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  position: relative;
  z-index: 1;
}

.resource-card {
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  transition: transform var(--transition-bounce);
}

.resource-card:hover {
  transform: translateY(-5px);
}

.resource-card h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--primary-light);
  padding-bottom: var(--spacing-xs);
}

.resource-card ul {
  list-style: none;
}

.resource-card li {
  margin-bottom: var(--spacing-xs);
}

.resource-card a {
  color: var(--primary-color);
  transition: color var(--transition-normal);
  display: inline-block;
  position: relative;
}

.resource-card a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--primary-color);
  transition: width var(--transition-normal);
}

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

.resource-card a:hover::after {
  width: 100%;
}

/* Sustainability section */
.sustainability {
  background-color: var(--white);
}

.sustainability-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.sustainability-image {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.sustainability-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.sustainability-text {
  flex: 1;
}

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

.pillar {
  padding: var(--spacing-md);
  background: rgba(60, 110, 113, 0.05);
  border-radius: var(--radius-md);
  transition: transform var(--transition-bounce), box-shadow var(--transition-normal);
}

.pillar:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.pillar h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

/* Testimonials section */
.testimonials {
  background-color: var(--light-gray);
  position: relative;
}

.testimonials::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('./image/quotes-pattern.jpg') center/cover no-repeat;
  opacity: 0.05;
  z-index: 0;
}

.testimonials-slider {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  overflow: hidden;
  z-index: 1;
}

.testimonial-item {
  display: none;
}

.testimonial-item.active {
  display: block;
  animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.testimonial-content {
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  position: relative;
}

.quote-icon {
  position: absolute;
  top: -15px;
  left: 30px;
  font-size: 6rem;
  color: var(--primary-light);
  opacity: 0.2;
  font-family: var(--font-heading);
}

.testimonial-content p {
  font-size: var(--font-size-lg);
  font-style: italic;
  margin-bottom: var(--spacing-md);
  position: relative;
  z-index: 1;
}

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

.testimonial-author img {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-round);
  object-fit: cover;
  border: 3px solid var(--primary-color);
}

.author-info h4 {
  margin: 0;
  color: var(--primary-color);
}

.author-info p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--dark-gray);
}

.testimonial-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: var(--spacing-md);
}

.prev-testimonial,
.next-testimonial {
  background: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: var(--radius-round);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-normal);
}

.prev-testimonial:hover,
.next-testimonial:hover {
  background-color: var(--primary-dark);
}

.testimonial-indicators {
  display: flex;
  gap: 10px;
  margin: 0 var(--spacing-md);
}

.indicator {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-round);
  background-color: var(--medium-gray);
  cursor: pointer;
  transition: background-color var(--transition-normal), transform var(--transition-bounce);
}

.indicator.active {
  background-color: var(--primary-color);
  transform: scale(1.2);
}

/* News section */
.news {
  background-color: var(--white);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.news-item {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-bounce), box-shadow var(--transition-normal);
}

.news-item:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.news-item .card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.news-item .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.news-item:hover .card-image img {
  transform: scale(1.05);
}

.news-item .card-content {
  padding: var(--spacing-md);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.news-date {
  font-size: var(--font-size-xs);
  color: var(--dark-gray);
  margin-bottom: var(--spacing-xs);
}

.news-item .card-content h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.news-item .card-content p {
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

.news-item .btn-tertiary {
  align-self: flex-start;
}

/* Contact section */
.contact {
  background-color: var(--light-gray);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.info-item {
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.info-item h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.contact-map {
  width: 100%;
  height: 300px;
  overflow: hidden;
  border-radius: var(--radius-md);
  margin-top: var(--spacing-sm);
}

.contact-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-form-container {
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.contact-form-container h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group:nth-last-child(2),
.form-group:last-child {
  grid-column: span 2;
}

.form-group label {
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-weight-medium);
  color: var(--dark-gray);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem;
  border: 1px solid var(--medium-gray);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--font-size-md);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(60, 110, 113, 0.2);
}

.form-group button {
  align-self: flex-start;
  justify-self: center;
  padding: 0.75rem 2rem;
}

/* Footer styles */
.footer {
  background-color: var(--primary-dark);
  color: var(--white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

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

.footer-logo p {
  max-width: 300px;
  color: var(--medium-gray);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.footer-links-column h4 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  position: relative;
}

.footer-links-column h4::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--secondary-color);
}

.footer-links-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-links-column a {
  color: var(--medium-gray);
  text-decoration: none;
  transition: color var(--transition-normal);
}

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

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

.social-links a {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--medium-gray);
  font-size: var(--font-size-sm);
}

/* Modal styles */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: var(--z-modal);
  justify-content: center;
  align-items: center;
}

.modal.show {
  display: flex;
}

.modal-content {
  background: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: modalIn var(--transition-bounce);
}

@keyframes modalIn {
  0% {
    opacity: 0;
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--dark-gray);
  transition: color var(--transition-normal);
}

.modal-close:hover {
  color: var(--secondary-color);
}

#modal-title {
  margin-bottom: var(--spacing-md);
  color: var(--primary-color);
}

/* Cookie Consent */
.cookie-consent {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  color: var(--white);
  z-index: var(--z-cookie);
  padding: var(--spacing-md);
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  max-width: 1280px;
  margin: 0 auto;
}

.cookie-content p {
  margin: 0;
  flex: 1;
  min-width: 300px;
}

.btn-cookie {
  background-color: var(--secondary-color);
  color: var(--white);
  border: none;
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-normal);
}

.btn-cookie:hover {
  background-color: var(--secondary-dark);
}

/* Success page */
.success-page {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--light-gray);
  padding: var(--spacing-lg);
}

.success-container {
  max-width: 600px;
  text-align: center;
  padding: var(--spacing-xl);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.success-icon {
  color: var(--primary-color);
  font-size: 5rem;
  margin-bottom: var(--spacing-md);
}

.success-container h1 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.success-container p {
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
}

/* Privacy and Terms pages */
.page-content {
  padding-top: 100px;
}

.page-container {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.page-header {
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.page-section {
  margin-bottom: var(--spacing-xl);
}

.page-section h2 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--primary-light);
}

.page-section h3 {
  color: var(--primary-dark);
  margin: var(--spacing-md) 0 var(--spacing-sm);
}

.page-section p,
.page-section ul {
  margin-bottom: var(--spacing-md);
}

.page-section ul {
  padding-left: var(--spacing-md);
}

/* Responsive styles */
@media (max-width: 1024px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .sustainability-content {
    flex-direction: column;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: var(--font-size-4xl);
  }
  
  h2 {
    font-size: var(--font-size-3xl);
  }
  
  .desktop-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .mobile-nav.active {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    z-index: 10;
  }
  
  .hero-content {
    padding: var(--spacing-md);
    margin: 0 auto;
  }
  
  .hero-content h1 {
    font-size: var(--font-size-3xl);
  }
  
  .hero-content p {
    font-size: var(--font-size-lg);
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  .contact-form {
    grid-template-columns: 1fr;
  }
  
  .form-group:nth-last-child(2),
  .form-group:last-child {
    grid-column: span 1;
  }
  
  .case-content {
    flex-direction: column;
  }
  
  .portfolio-filter {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  section {
    padding: var(--spacing-lg) 0;
  }
  
  .section-header {
    margin-bottom: var(--spacing-md);
  }
  
  .section-header h2 {
    font-size: var(--font-size-2xl);
  }
  
  .hero-content h1 {
    font-size: var(--font-size-2xl);
  }
  
  .hero-content p {
    font-size: var(--font-size-md);
  }
  
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
  
  .testimonial-controls {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

/* Additional utility classes */
.text-center {
  text-align: center;
}

.mb-0 {
  margin-bottom: 0;
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

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

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

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.p-0 {
  padding: 0;
}

.bg-primary {
  background-color: var(--primary-color);
  color: var(--white);
}

.bg-secondary {
  background-color: var(--secondary-color);
  color: var(--white);
}

.bg-tertiary {
  background-color: var(--tertiary-color);
  color: var(--black);
}

.bg-quaternary {
  background-color: var(--quaternary-color);
  color: var(--white);
}

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

.bg-light {
  background-color: var(--light-gray);
  color: var(--black);
}

.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

/* Animation classes */
.fade-in {
  animation: fadeIn 1s ease-in-out;
}

.slide-in-left {
  animation: slideInLeft 1s var(--transition-bounce);
}

.slide-in-right {
  animation: slideInRight 1s var(--transition-bounce);
}

.slide-in-up {
  animation: slideInUp 1s var(--transition-bounce);
}

.bounce-in {
  animation: bounceIn 1s var(--transition-bounce);
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    transform: scale(1);
  }
}