/* Global Variables */
:root {
  /* Brand Colors */
  --color-primary: #1e3a8a; /* Bluebonnet brand blue */
  --color-secondary: #2563eb;
  --color-accent: #fbbf24; /* Warm accent color */
  --color-light: #f3f4f6;
  --color-dark: #1f2937;
  --color-gray: #9ca3af;
  --color-white: #ffffff;
  --color-background: #ffffff;
  --color-surface: #f8fafc;

  /* Typography */
  --font-primary: "Open Sans", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 30px;
  --line-height-base: 1.6;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;

  /* Container */
  --container-max-width: 1280px;
  --container-padding: 2rem;
  --container-padding-mobile: 1rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1),
    0 4px 6px -4px rgb(0 0 0 / 0.1);

  /* Fluid Typography */
  --fluid-min-width: 360;
  --fluid-max-width: 1024;
  --fluid-min-size: 16;
  --fluid-max-size: 20;
  --fluid-min-scale: 1.2;
  --fluid-max-scale: 1.333;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fadeInUp {
  animation: fadeInUp 1s ease-out;
}

.animate-fadeInUp-delay-1 {
  animation: fadeInUp 1s ease-out 0.2s backwards;
}

.animate-fadeInUp-delay-2 {
  animation: fadeInUp 1s ease-out 0.4s backwards;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  line-height: var(--line-height-base);
  color: var(--color-dark);
  background-color: var(--color-background);
}

/* Container */
.container {
  width: min(92%, 1280px);
  margin-inline: auto;
  padding-inline: env(safe-area-inset-left, 1rem)
    env(safe-area-inset-right, 1rem);
  max-width: 100%;
}

@media (min-width: 768px) {
  .container {
    width: 85%;
    max-width: 1280px;
    padding: 0 2rem;
  }
}

/* Header */
.header {
  background: white;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: env(safe-area-inset-top, 0);
  z-index: 100;
  padding: env(safe-area-inset-top, 1rem) env(safe-area-inset-right, 1rem) 1rem
    env(safe-area-inset-left, 1rem);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo-text {
  color: var(--color-primary);
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  padding: calc(60px + env(safe-area-inset-top, 1rem))
    env(safe-area-inset-right, 1rem) env(safe-area-inset-bottom, 1rem)
    env(safe-area-inset-left, 1rem);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  z-index: 99;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  display: flex;
  flex-direction: column;
}

.nav.active {
  transform: translateX(0);
  box-shadow: var(--shadow-lg);
}

.nav-link {
  color: var(--color-dark);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  display: block;
  padding: 1rem;
  min-height: 48px;
  font-size: 16px;
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 2rem;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1000;
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    right: -90vw;
    width: 90vw;
    height: 100vh;
    background: white;
    padding: 3.5rem 1.5rem 2rem;
    transition: right 0.3s cubic-bezier(0.77, 0, 0.18, 1);
    box-shadow: -2px 0 5px rgba(0, 0, 0, 0.1);
    z-index: 1050;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .nav.active {
    right: 0;
  }
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    position: static;
    z-index: 1100;
    font-size: 2.8rem;
    width: 3.5rem;
    height: 3.5rem;
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
  }
  .nav-link {
    display: block;
    margin: 1rem 0 0.5rem 0;
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--color-dark);
    padding: 0.2rem 0;
  }
  .nav .btn {
    margin-top: 1.2rem;
    width: 100%;
    font-size: 1.3rem;
    padding: 1.2rem 0;
  }
  body.menu-open {
    overflow: hidden;
  }
}

@media (min-width: 769px) {
  .nav {
    position: static;
    display: flex;
    align-items: center;
    gap: 2rem;
    transform: none;
    background: transparent;
    padding: 0;
    overflow: visible;
    flex-direction: row;
  }

  .nav.active {
    transform: none;
    box-shadow: none;
  }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-size: var(--font-size-base);
  margin: 0.5rem;
}

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

.btn-primary:hover {
  background-color: #f59e0b;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

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

/* Modern Cards */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  overflow: hidden;
  border: 1px solid var(--color-light);
}

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

.card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.card .p-2 {
  padding: var(--spacing-md);
}

.card h3 {
  color: var(--color-dark);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-lg);
}

.card p {
  color: var(--color-gray);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

/* Modern Hero Section */
.hero {
  min-height: 90vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to bottom,
    rgba(30, 58, 138, 0.8),
    rgba(30, 58, 138, 0.9)
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
  max-width: 800px;
  padding: 0 2rem;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  animation: fadeInUp 1s ease-out;
}

.hero-content p {
  font-size: var(--font-size-lg);
  margin-bottom: 2rem;
  animation: fadeInUp 1s ease-out 0.2s backwards;
}

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

/* Modern Grid System */
.grid {
  display: grid;
  gap: clamp(1rem, 2vw, 2rem);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}

@media (min-width: 640px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

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

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

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

.footer-column h3 {
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: var(--color-light);
  opacity: 0.9;
  text-decoration: none;
  transition: all 0.2s ease;
}

.footer-links a:hover {
  color: var(--color-white);
  opacity: 1;
}

.footer-bottom {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: var(--color-light);
  opacity: 0.8;
}

/* Modern Forms */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--color-dark);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-light);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  transition: all 0.2s ease;
  background-color: var(--color-white);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Modern Breadcrumbs */
.breadcrumbs {
  padding: var(--spacing-md) 0;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-light);
  margin-top: 4rem;
}

.breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-xs);
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  color: var(--color-gray);
  font-size: 0.875rem;
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: var(--spacing-xs);
  color: var(--color-gray);
}

.breadcrumbs a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.breadcrumbs .current {
  color: var(--color-dark);
  font-weight: 500;
}

/* Mobile Menu */
/* .menu-toggle {
  display: none;
} */

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}
.mt-1 {
  margin-top: var(--spacing-xs);
}
.mt-2 {
  margin-top: var(--spacing-sm);
}
.mt-3 {
  margin-top: var(--spacing-md);
}
.mb-1 {
  margin-bottom: var(--spacing-xs);
}
.mb-2 {
  margin-bottom: var(--spacing-sm);
}
.mb-3 {
  margin-bottom: var(--spacing-md);
}
.p-1 {
  padding: var(--spacing-xs);
}
.p-2 {
  padding: var(--spacing-sm);
}
.p-3 {
  padding: var(--spacing-md);
}

/* Mission & Vision Cards */
.mission-vision-grid {
  display: grid;
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

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

.mission-vision-card {
  background: var(--color-white);
  border: 2px solid var(--color-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.mission-vision-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.mission-vision-card h2 {
  color: var(--color-primary);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.mission-vision-card p {
  color: var(--color-dark);
  line-height: 1.7;
  font-size: 1.1rem;
}

/* Core Values Section */
.core-values {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-surface);
}

.core-values h2 {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xl);
}

.core-values-grid {
  display: grid;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

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

.value-card {
  background: var(--color-white);
  border: 2px solid var(--color-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all 0.3s ease;
}

.value-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.value-card h3 {
  color: var(--color-primary);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.value-card p {
  color: var(--color-dark);
  line-height: 1.6;
}

/* Team Section */
.team-section {
  padding: var(--spacing-xl) 0;
}

.team-section h2 {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xl);
}

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

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

.team-card {
  background: var(--color-white);
  border: 2px solid var(--color-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all 0.3s ease;
}

.team-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.team-card img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  margin-bottom: var(--spacing-md);
  object-fit: cover;
  border: 3px solid var(--color-light);
}

.team-card:hover img {
  border-color: var(--color-primary);
}

.team-card h3 {
  color: var(--color-primary);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.team-card p {
  color: var(--color-gray);
  font-size: 1rem;
}

/* Certifications Section */
.certifications {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-surface);
}

.certifications h2 {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xl);
}

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

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

.certification-card {
  background: var(--color-white);
  border: 2px solid var(--color-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all 0.3s ease;
}

.certification-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.certification-card img {
  width: 80px;
  height: 80px;
  margin-bottom: var(--spacing-md);
}

.certification-card h3 {
  color: var(--color-primary);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.certification-card p {
  color: var(--color-gray);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* Section Titles */
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-title h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.section-title p {
  color: var(--color-gray);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Why Choose Us Section */
.why-choose-us {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(
    to right,
    rgba(30, 58, 138, 0.03),
    rgba(30, 58, 138, 0.07)
  );
}

.why-choose-card {
  background: var(--color-white);
  border: 2px solid var(--color-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.why-choose-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    to right,
    var(--color-primary),
    var(--color-secondary)
  );
}

.why-choose-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  background: linear-gradient(
    to bottom right,
    var(--color-white),
    var(--color-light)
  );
}

.why-choose-card h3 {
  color: var(--color-primary);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.why-choose-card p {
  color: var(--color-dark);
  line-height: 1.6;
  margin: 0;
}

/* Testimonials Section */
.testimonials {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-surface);
  overflow: hidden;
}

.testimonials-container {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.testimonials-track {
  display: flex;
  animation: scroll 30s linear infinite;
  width: fit-content;
  gap: var(--spacing-md);
}

.testimonials-track:hover {
  animation-play-state: paused;
}

@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.testimonial-card {
  min-width: 400px;
  background: var(--color-white);
  border: 2px solid var(--color-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-right: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 20px;
  font-size: 80px;
  color: var(--color-primary);
  opacity: 0.1;
  font-family: serif;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, var(--color-white), var(--color-light));
}

.testimonial-content {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

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

.testimonial-author img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-light);
}

.testimonial-author-info {
  flex: 1;
}

.testimonial-author-name {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.testimonial-author-title {
  font-size: 0.875rem;
  color: var(--color-gray);
}

/* Services Section */
.services {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(
    to right,
    rgba(30, 58, 138, 0.03),
    rgba(30, 58, 138, 0.07)
  );
}

.service-card {
  background: var(--color-white);
  border: 2px solid var(--color-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  height: 100%;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    to right,
    var(--color-primary),
    var(--color-secondary)
  );
  transition: height 0.3s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, var(--color-white), var(--color-light));
}

.service-card:hover::before {
  height: 6px;
}

.service-card h3 {
  color: var(--color-primary);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.service-card p {
  color: var(--color-dark);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

.service-card .learn-more {
  display: inline-flex;
  align-items: center;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  padding: var(--spacing-xs) 0;
  margin-top: auto;
}

.service-card .learn-more:hover {
  color: var(--color-secondary);
  transform: translateX(4px);
}

.service-card .learn-more::after {
  content: "→";
  margin-left: var(--spacing-xs);
  transition: transform 0.3s ease;
}

.service-card:hover .learn-more::after {
  transform: translateX(4px);
}

/* Featured Project Section */
.featured-project {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-surface);
}

.featured-project-card {
  background: var(--color-white);
  border: 2px solid var(--color-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
}

.featured-project-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.featured-project-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.featured-project-content {
  padding: var(--spacing-lg);
  background: linear-gradient(
    to bottom,
    var(--color-white),
    var(--color-surface)
  );
}

.featured-project-content h3 {
  color: var(--color-primary);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.featured-project-content .location {
  color: var(--color-gray);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.featured-project-content .location::before {
  content: "📍";
}

.featured-project-content p {
  color: var(--color-dark);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
  font-size: 1.1rem;
}

.view-project {
  display: inline-flex;
  align-items: center;
  padding: 1rem 2rem;
  background-color: var(--color-primary);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all 0.3s ease;
}

.view-project:hover {
  background-color: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Project Filters */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1.5rem;
  border: 2px solid var(--color-primary);
  background: transparent;
  color: var(--color-primary);
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}

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

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

/* Project Grid */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 1rem;
}

.project-item {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.4s ease-in-out;
  pointer-events: none;
  position: relative;
}

.project-item.show {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

.project-category {
  color: var(--color-primary);
  font-weight: 500;
  margin: 0.5rem 0;
}

.project-location {
  color: var(--color-gray);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

/* Header Centering */
.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: var(--container-max-width);
  margin: 0 auto;
}

@media (min-width: 768px) {
  .nav {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
}

/* Footer Logo */
.footer-logo-container {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.footer-logo-image {
  width: 200px;
  height: auto;
  margin-bottom: 1rem;
  border-radius: var(--radius-md);
}

.footer-logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
}

/* Form Validation Styles */
.form-control.error {
  border-color: #dc3545;
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.error-message {
  color: #dc3545;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  min-height: 1.2em;
}

/* Loading Spinner */
.loading-spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  margin-left: 0.5rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s linear infinite;
  vertical-align: middle;
}

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

/* Accessibility Focus Styles */
:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

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

/* Skip Navigation Link */
.skip-nav {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: 8px;
  z-index: 100;
  transition: top 0.3s;
}

.skip-nav:focus {
  top: 0;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
  :root {
    --font-size-base: 14px;
    --font-size-sm: 13px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 22px;
    --font-size-3xl: 26px;
  }

  .btn {
    padding: 0.6rem 1.2rem;
    font-size: var(--font-size-base);
    margin: 0.5rem;
    width: auto;
  }

  .form-control {
    font-size: var(--font-size-base);
  }

  .nav {
    padding-top: 4rem;
  }

  .nav-link {
    font-size: var(--font-size-base);
    padding: 0.8rem;
  }

  .hero-content h1 {
    font-size: var(--font-size-2xl);
  }

  .hero-content p {
    font-size: var(--font-size-lg);
  }

  .grid {
    gap: 1rem;
  }

  .card {
    padding: 1rem;
  }

  /* Fix for button spacing in mobile view */
  .mt-4 {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  .mt-4 .btn {
    margin: 0;
    width: 100%;
  }

  /* Fix for buttons that are too close to each other */
  .ml-2 {
    margin-left: 0;
  }
}

/* Print Styles */
@media print {
  .no-print {
    display: none !important;
  }

  .container {
    width: 100%;
    max-width: none;
  }

  a[href]:after {
    content: " (" attr(href) ")";
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --color-primary: #000080;
    --color-secondary: #000;
    --color-accent: #800000;
  }

  .btn {
    border: 2px solid currentColor;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* Fluid Typography */
@media (max-width: 360px) {
  :root {
    --fluid-size: var(--fluid-min-size);
  }
}

@media (min-width: 1024px) {
  :root {
    --fluid-size: var(--fluid-max-size);
  }
}

@media (min-width: 360px) and (max-width: 1024px) {
  :root {
    --fluid-size: calc(
      var(--fluid-min-size) * 1px +
        (var(--fluid-max-size) - var(--fluid-min-size)) *
        (100vw - (var(--fluid-min-width) * 1px)) /
        (var(--fluid-max-width) - var(--fluid-min-width))
    );
  }
}

/* Touch Target Sizes */
button,
.btn,
input,
select,
textarea {
  min-height: 48px;
  min-width: 48px;
  padding: 0.75rem 1rem;
  font-size: 16px;
  touch-action: manipulation;
}

/* Responsive Images */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

.hero-image {
  aspect-ratio: 16/9;
  object-fit: cover;
  width: 100%;
}

/* Grid System Update */
.grid {
  display: grid;
  gap: clamp(1rem, 2vw, 2rem);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}

/* Container Update */
.container {
  width: min(92%, 1280px);
  margin-inline: auto;
  padding-inline: env(safe-area-inset-left, 1rem)
    env(safe-area-inset-right, 1rem);
}

/* Mobile Menu Toggle Animation */
.menu-toggle {
  position: relative;
  transition: all 0.3s ease;
}

.menu-toggle.active {
  transform: rotate(90deg);
}

.menu-toggle.active::before {
  content: "×";
  position: absolute;
  font-size: 32px;
  font-weight: bold;
}

/* Mobile Navigation Improvements */
@media (max-width: 768px) {
  .nav {
    padding-top: 70px;
  }

  .nav-link {
    font-size: 15px;
    padding: 0.75rem 1rem;
  }

  .nav .btn {
    font-size: 15px;
    padding: 0.6rem 1.2rem;
  }

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

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

/* Button Group */
.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

@media (max-width: 768px) {
  .button-group {
    flex-direction: column;
    gap: 0.75rem;
  }

  .button-group .btn {
    margin: 0;
    width: 100%;
  }
}