:root {
  --azul: #1e3a8a;
  --verde: #10b981;
  --cinza: #f3f4f6;
  --preto: #111827;
  --branco: #ffffff;
  --shadow-light: 0 4px 15px rgba(0, 0, 0, 0.05);
  --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.1);
  --shadow-heavy: 0 15px 35px rgba(0, 0, 0, 0.15);
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', 'Roboto', sans-serif;
  background-color: var(--branco);
  color: #333;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Loading Animation */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--branco);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--cinza);
  border-top: 4px solid var(--verde);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Scroll Progress Bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 4px;
  background: linear-gradient(90deg, var(--verde), var(--azul));
  z-index: 1001;
  transition: width 0.1s ease;
}

/* Navigation Bar */
.navbar {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-light);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-medium);
}

.navbar.scrolled {
  padding: 0.5rem 2rem;
  box-shadow: var(--shadow-medium);
}

.navbar .logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--azul);
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.navbar .logo:hover {
  transform: scale(1.05);
}

.navbar .nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
}

.navbar .nav-links a {
  text-decoration: none;
  color: var(--preto);
  font-weight: 500;
  position: relative;
  transition: color var(--transition-medium);
}

.navbar .nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--verde);
  transition: width var(--transition-medium);
}

.navbar .nav-links a:hover::after,
.navbar .nav-links a.active::after {
  width: 100%;
}

.navbar .nav-links a:hover,
.navbar .nav-links a.active {
  color: var(--verde);
}

.navbar .nav-cta a {
  background: linear-gradient(135deg, var(--verde), #0f9b6b);
  color: var(--branco);
  padding: 0.6rem 1.2rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: bold;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-light);
}

.navbar .nav-cta a:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.navbar .menu-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.navbar .menu-toggle:hover {
  transform: scale(1.1);
}

/* Header with Parallax Effect */
header {
  background: linear-gradient(rgba(30, 58, 138, 0.8), rgba(30, 58, 138, 0.8)),
    url(https://images.unsplash.com/photo-1454165804606-c3d57bc86b40?q=80&w=2070&auto=format&fit=crop)
      no-repeat center center;
  background-size: cover;
  background-attachment: fixed;
  color: var(--branco);
  padding: 8rem 1rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent, rgba(16, 185, 129, 0.1));
  animation: shimmer 3s ease-in-out infinite;
}

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

header h1 {
  margin: 0;
  font-size: 3.2rem;
  font-weight: 700;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease 0.5s forwards;
}

header p {
  font-size: 1.3rem;
  max-width: 800px;
  margin: 1rem auto 0;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease 0.8s forwards;
}

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

/* Floating Action Button */
.fab {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--verde), #0f9b6b);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--branco);
  font-size: 1.5rem;
  text-decoration: none;
  box-shadow: var(--shadow-medium);
  z-index: 999;
  transition: all var(--transition-medium);
  animation: pulse 2s infinite;
}

.fab:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-heavy);
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

/* Animated Sections */
.section {
  padding: 4rem 1rem;
  max-width: 1100px;
  margin: auto;
  opacity: 0;
  transform: translateY(50px);
  transition: all var(--transition-slow);
}

.section.visible {
  opacity: 1;
  transform: translateY(0);
}

.section.bg-gray {
  background-color: var(--cinza);
  max-width: 100%;
  padding: 4rem 1rem;
}

.section.bg-gray .section-content {
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  color: var(--azul);
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--verde), var(--azul));
  border-radius: 2px;
}

/* About Section */
.about-section {
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
  align-items: center;
}

.about-image {
  flex: 1;
  max-width: 300px;
  margin: auto;
  position: relative;
}

.about-image::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  right: 20px;
  bottom: 20px;
  background: linear-gradient(135deg, var(--verde), var(--azul));
  border-radius: 50%;
  z-index: -1;
  opacity: 0.1;
}

.about-image img {
  width: 100%;
  border-radius: 50%;
  box-shadow: var(--shadow-heavy);
  border: 4px solid var(--branco);
  transition: transform var(--transition-medium);
}

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

.about-text {
  flex: 2;
  min-width: 300px;
}

.about-text h2 {
  font-size: 2.2rem;
  margin-top: 0;
  color: var(--azul);
  margin-bottom: 1rem;
}

.about-text .crc {
  font-weight: bold;
  color: var(--verde);
  display: block;
  margin-top: 1rem;
  padding: 0.5rem;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 5px;
  border-left: 4px solid var(--verde);
}

/* Stats Counter */
.stats-section {
  background: linear-gradient(135deg, var(--azul), #1e40af);
  color: var(--branco);
  padding: 3rem 1rem;
  margin: 2rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

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

.stat-number {
  font-size: 3rem;
  font-weight: bold;
  color: var(--verde);
  display: block;
}

.stat-label {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* Service Cards */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: var(--branco);
  padding: 2.5rem;
  border-radius: 15px;
  box-shadow: var(--shadow-light);
  text-align: center;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(16, 185, 129, 0.1),
    transparent
  );
  transition: left 0.5s ease;
}

.service-card:hover::before {
  left: 100%;
}

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

.service-card .icon {
  font-size: 3rem;
  color: var(--verde);
  margin-bottom: 1.5rem;
  transition: transform var(--transition-medium);
}

.service-card:hover .icon {
  transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
  margin: 0 0 1rem 0;
  color: var(--azul);
  font-size: 1.3rem;
}

/* Tech Grid */
.tech-grid {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.tech-item {
  background-color: var(--branco);
  color: var(--preto);
  padding: 1rem 1.5rem;
  border-radius: 25px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-light);
  transition: all var(--transition-medium);
  cursor: pointer;
}

.tech-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
  background: linear-gradient(135deg, var(--verde), #0f9b6b);
  color: var(--branco);
}

.tech-item i {
  color: var(--azul);
  transition: color var(--transition-medium);
}

.tech-item:hover i {
  color: var(--branco);
}

/* Projects Section */
.projects-section {
  background: linear-gradient(135deg, var(--cinza), #e5e7eb);
  padding: 4rem 1rem;
  margin: 2rem 0;
}

.projects-container {
  max-width: 1200px;
  margin: 0 auto;
}

.projects-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--branco);
  color: var(--azul);
  border: 2px solid var(--azul);
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 500;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.filter-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--azul);
  transition: left var(--transition-medium);
  z-index: 0;
}

.filter-btn span {
  position: relative;
  z-index: 1;
}

.filter-btn:hover::before,
.filter-btn.active::before {
  left: 0;
}

.filter-btn:hover span,
.filter-btn.active span {
  color: var(--branco);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--branco);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow-light);
  transition: all var(--transition-medium);
  opacity: 1;
  transform: scale(1);
  animation: fadeInProject 0.5s ease;
}

.project-card.hidden {
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
}

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

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

.project-image {
  height: 200px;
  background: linear-gradient(135deg, var(--azul), var(--verde));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--branco);
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.project-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1));
  animation: shimmer 2s ease-in-out infinite;
}

.project-content {
  padding: 1.5rem;
}

.project-category {
  background: var(--verde);
  color: var(--branco);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: bold;
  display: inline-block;
  margin-bottom: 1rem;
}

.project-title {
  font-size: 1.3rem;
  color: var(--azul);
  margin-bottom: 0.5rem;
  font-weight: bold;
}

.project-client {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.project-description {
  color: #555;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.project-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.project-tag {
  background: var(--cinza);
  color: var(--azul);
  padding: 0.3rem 0.8rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}

.project-results {
  background: rgba(16, 185, 129, 0.1);
  padding: 1rem;
  border-radius: 8px;
  border-left: 4px solid var(--verde);
  margin-bottom: 1.5rem;
}

.project-results strong {
  color: var(--verde);
}

.project-btn {
  background: linear-gradient(135deg, var(--azul), #1e40af);
  color: var(--branco);
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  width: 100%;
  transition: all var(--transition-medium);
}

.project-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* Project Modal */
.project-modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
}

.project-modal-content {
  background-color: var(--branco);
  margin: 2% auto;
  padding: 0;
  border-radius: 15px;
  width: 90%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: modalSlideIn 0.3s ease;
}

.project-modal-header {
  background: linear-gradient(135deg, var(--azul), var(--verde));
  color: var(--branco);
  padding: 2rem;
  border-radius: 15px 15px 0 0;
  position: relative;
}

.project-modal-close {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 2rem;
  cursor: pointer;
  color: var(--branco);
  transition: transform var(--transition-fast);
}

.project-modal-close:hover {
  transform: scale(1.1);
}

.project-modal-body {
  padding: 2rem;
}

.project-timeline {
  margin: 2rem 0;
}

.timeline-item {
  display: flex;
  margin-bottom: 1.5rem;
  align-items: flex-start;
}

.timeline-icon {
  background: var(--verde);
  color: var(--branco);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  flex-shrink: 0;
}

.timeline-content h4 {
  color: var(--azul);
  margin-bottom: 0.5rem;
}

.timeline-content p {
  color: #666;
  line-height: 1.5;
}

/* Testimonials Section */
.testimonials-section {
  background: linear-gradient(135deg, var(--cinza), #e5e7eb);
  padding: 4rem 1rem;
  margin: 2rem 0;
}

.testimonials-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.testimonial {
  background: var(--branco);
  padding: 2rem;
  border-radius: 15px;
  box-shadow: var(--shadow-light);
  text-align: center;
  display: none;
  animation: fadeIn 0.5s ease;
}

.testimonial.active {
  display: block;
}

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

.testimonial-text {
  font-style: italic;
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: #555;
}

.testimonial-author {
  font-weight: bold;
  color: var(--azul);
}

.testimonial-nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 2rem;
}

.testimonial-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ccc;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.testimonial-dot.active {
  background: var(--verde);
}

/* Plans Section */
.plans {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  align-items: stretch;
}

.plan {
  background-color: var(--branco);
  border-radius: 15px;
  box-shadow: var(--shadow-light);
  padding: 2.5rem;
  width: 300px;
  transition: all var(--transition-medium);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.plan-content {
  flex-grow: 1;
}

.plan:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-heavy);
}

.plan.highlight {
  border-color: var(--verde);
  transform: scale(1.05);
  background: linear-gradient(135deg, var(--branco), #f0fdf4);
}

.highlight-badge {
  position: absolute;
  top: 15px;
  right: -35px;
  background: linear-gradient(135deg, var(--verde), #0f9b6b);
  color: var(--branco);
  padding: 5px 30px;
  font-size: 0.9rem;
  font-weight: bold;
  transform: rotate(45deg);
  box-shadow: var(--shadow-light);
}

.plan h2 {
  font-size: 1.6rem;
  color: var(--azul);
  margin-bottom: 0.5rem;
}

.plan .price {
  color: var(--verde);
  font-weight: bold;
  font-size: 2rem;
  margin: 0.5rem 0 1rem 0;
}

.plan .price-note {
  font-size: 1rem;
  font-weight: normal;
}

.plan ul {
  padding-left: 0;
  list-style: none;
}

.plan ul li {
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  transition: transform var(--transition-fast);
}

.plan ul li:hover {
  transform: translateX(5px);
}

.plan ul li i {
  color: var(--verde);
  margin-right: 10px;
  font-size: 1.2rem;
  width: 20px;
  text-align: center;
}

.plan-cta {
  margin-top: 2rem;
}

.plan-btn {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--azul), #1e40af);
  color: var(--branco);
  border: none;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;
  transition: all var(--transition-medium);
}

.plan-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* Form Section */
.form-section {
  background: linear-gradient(135deg, var(--cinza), #e5e7eb);
  max-width: 700px;
  margin: 2rem auto;
  padding: 3rem;
  border-radius: 15px;
  box-shadow: var(--shadow-light);
}

.form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

.form-input {
  width: 100%;
  padding: 1rem;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  font-size: 1rem;
  transition: all var(--transition-medium);
  background: var(--branco);
}

.form-input:focus {
  outline: none;
  border-color: var(--verde);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-input.error {
  border-color: #ef4444;
}

.form-input.success {
  border-color: var(--verde);
}

.form-error {
  color: #ef4444;
  font-size: 0.9rem;
  margin-top: 0.5rem;
  display: none;
}

.form-success {
  color: var(--verde);
  font-size: 0.9rem;
  margin-top: 0.5rem;
  display: none;
}

.btn-submit {
  background: linear-gradient(135deg, var(--verde), #0f9b6b);
  color: var(--branco);
  width: 100%;
  padding: 1.2rem;
  border: none;
  border-radius: 8px;
  font-size: 1.2rem;
  font-weight: bold;
  cursor: pointer;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-submit .loading {
  display: none;
}

.btn-submit.loading .loading {
  display: inline-block;
  animation: spin 1s linear infinite;
}

/* Footer */
footer {
  background: linear-gradient(135deg, var(--preto), #1f2937);
  color: var(--branco);
  text-align: center;
  padding: 4rem 1rem 2rem 1rem;
}

.social-links {
  margin-bottom: 2rem;
}

.social-links a {
  color: var(--branco);
  text-decoration: none;
  font-size: 2rem;
  margin: 0 1rem;
  transition: all var(--transition-medium);
  display: inline-block;
}

.social-links a:hover {
  color: var(--verde);
  transform: translateY(-5px) scale(1.1);
}

.footer-contact p {
  margin: 0.5rem 0;
  transition: color var(--transition-medium);
}

.footer-contact a {
  color: var(--branco);
  text-decoration: none;
  transition: color var(--transition-medium);
}

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

.footer-copyright {
  margin-top: 2rem;
  font-size: 0.9rem;
  opacity: 0.7;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
}

.modal-content {
  background-color: var(--branco);
  margin: 5% auto;
  padding: 2rem;
  border-radius: 15px;
  width: 90%;
  max-width: 500px;
  position: relative;
  animation: modalSlideIn 0.3s ease;
}

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

.modal-close {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 2rem;
  cursor: pointer;
  color: #999;
  transition: color var(--transition-fast);
}

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

/* Responsive Design */
@media (max-width: 992px) {
  .navbar .nav-links,
  .navbar .nav-cta {
    display: none;
  }

  .navbar .menu-toggle {
    display: block;
  }

  .navbar.active .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-medium);
    padding: 1rem 0;
  }

  .navbar.active .nav-links li {
    text-align: center;
    padding: 1rem;
  }

  .plan.highlight {
    transform: scale(1);
  }

  header {
    background-attachment: scroll;
    padding: 6rem 1rem;
  }

  header h1 {
    font-size: 2.5rem;
  }

  .fab {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
  }

  .projects-filters {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
  }

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

@media (max-width: 768px) {
  .section {
    padding: 3rem 1rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .about-section {
    flex-direction: column;
    text-align: center;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .plans {
    flex-direction: column;
    align-items: center;
  }

  .plan {
    width: 100%;
    max-width: 400px;
  }

  .projects-filters {
    flex-direction: column;
    align-items: center;
  }

  .project-modal-content {
    width: 95%;
    margin: 5% auto;
  }

  .project-modal-header,
  .project-modal-body {
    padding: 1.5rem;
  }
}