:root {
  --primary-color: #5044eb;
  --secondary-color: #f36a07;
  --text-color: #636d78;
  --heading-color: #1f1f1f;
  --light-bg: #f8f9fa;
  --white: #ffffff;
  --dark-bg: #060442;
  --footer-bg: #13114c;
  --border-color: #eceff2;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --font-family: "Albert Sans", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--white);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-family);
  color: var(--heading-color);
  font-weight: 700;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
  line-height: 3rem;
}

h2 {
  font-size: 2rem;
  line-height: 2.5rem;
}

h3 {
  font-size: 1.5rem;
  line-height: 2rem;
}

p {
  margin-bottom: 1.5rem;
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: all 0.3s ease;
}

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 4px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-family: var(--font-family);
}

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

.primary-btn:hover {
  background-color: #3a30c5;
  color: var(--white);
}

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

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

.section-padding {
  padding: 80px 0;
}

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

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

.mb-3 {
  margin-bottom: 1rem;
}

.mb-4 {
  margin-bottom: 1.5rem;
}

.mt-4 {
  margin-top: 1.5rem;
}

/* Header Styles */
.header-top {
  background-color: var(--dark-bg);
  color: var(--white);
  padding: 10px 0;
  font-size: 14px;
}

.header-top a {
  color: var(--white);
}

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

.header-top-left {
  display: flex;
  gap: 20px;
}

.header-top-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-top i {
  margin-right: 8px;
}

.header-main {
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-main .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.logo img {
  height: 50px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-menu a {
  font-weight: 500;
  position: relative;
}

.nav-menu a:hover:after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--heading-color);
}

/* Breadcrumb */
.breadcrumb {
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
    url("https://via.placeholder.com/1920x400") no-repeat center center;
  background-size: cover;
  color: var(--white);
  padding: 100px 0 50px;
}

.breadcrumb h1 {
  color: var(--white);
  margin-bottom: 10px;
}

.breadcrumb-links {
  display: flex;
  list-style: none;
  gap: 10px;
}

.breadcrumb-links li {
  color: rgba(255, 255, 255, 0.8);
}

.breadcrumb-links li:not(:last-child):after {
  content: "/";
  margin-left: 10px;
}

.breadcrumb-links a {
  color: rgba(255, 255, 255, 0.8);
}

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

/* Projects Section */
.projects-section {
  padding: 80px 0;
  background-color: var(--light-bg);
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header p {
  max-width: 700px;
  margin: 0 auto;
}

.project-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 20px;
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.3s ease;
}

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

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
}

.project-card {
  background-color: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.project-card:hover {
  transform: translateY(-10px);
}

.project-img {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-img img {
  transform: scale(1.1);
}

.project-category {
  position: absolute;
  top: 15px;
  right: 15px;
  background-color: var(--primary-color);
  color: var(--white);
  padding: 5px 15px;
  border-radius: 30px;
  font-size: 12px;
  font-weight: 600;
}

.project-content {
  padding: 25px;
}

.project-content h3 {
  margin-bottom: 10px;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 15px;
  font-size: 14px;
  color: var(--text-color);
}

.project-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 15px;
}

.tech-tag {
  background-color: var(--light-bg);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  color: var(--text-color);
}

.project-actions {
  display: flex;
  gap: 10px;
}

.project-actions .btn {
  flex: 1;
  padding: 8px 15px;
  font-size: 14px;
}

/* CTA Section */
.cta-section {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 80px 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: 20px;
}

.cta-section p {
  max-width: 700px;
  margin: 0 auto 30px;
}

/* Footer */
.footer {
  background-color: var(--dark-bg);
  color: var(--white);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.footer-widget h4 {
  color: var(--white);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-widget h4:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: var(--primary-color);
}

.footer-widget ul {
  list-style: none;
}

.footer-widget ul li {
  margin-bottom: 10px;
}

.footer-widget a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-widget a:hover {
  color: var(--white);
  padding-left: 5px;
}

.footer-bottom {
  background-color: var(--footer-bg);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  margin-bottom: 0;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--primary-color);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
}

.back-to-top.active {
  opacity: 1;
  visibility: visible;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background-color: var(--white);
  box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
  padding: 30px;
  transition: right 0.3s ease;
  z-index: 1001;
  overflow-y: auto;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.mobile-menu-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--heading-color);
}

.mobile-nav {
  list-style: none;
}

.mobile-nav li {
  margin-bottom: 15px;
}

.mobile-nav a {
  font-weight: 500;
  font-size: 18px;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Responsive Styles */
@media (max-width: 992px) {
  .nav-menu {
    display: none;
  }

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

  .projects-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  .header-top-content {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }

  .section-padding {
    padding: 60px 0;
  }

  .project-filters {
    gap: 10px;
  }

  .filter-btn {
    padding: 6px 15px;
    font-size: 14px;
  }
}

@media (max-width: 576px) {
  .header-top-left {
    flex-direction: column;
    gap: 10px;
  }

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

  .project-actions {
    flex-direction: column;
  }
}