:root {
  --primary-color: #2563eb;
  --secondary-color: #1e40af;
  --accent-color: #3b82f6;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --bg-light: #f9fafb;
  --bg-dark: #111827;
  --white: #ffffff;
  --transition: all 0.3s ease;
}

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

body {
  font-family: "Poppins", sans-serif;
  color: var(--text-dark);
  background-color: var(--bg-light);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
}

a {
  text-decoration: none !important;
  color: inherit;
}

ul {
  list-style: none;
  margin: 0px !important;
  padding: 0px !important;
}

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

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  font-size: 2.5rem;
  color: var(--text-dark);
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--primary-color);
  border-radius: 2px;
}

/* Header Styles */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.header-scrolled {
  background-color: var(--white);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
}

.logo span {
  color: var(--text-dark);
}

.nav-menu {
  display: flex;
}

.nav-menu li {
  margin-left: 30px;
  position: relative;
}

.nav-menu a {
  font-weight: 500;
  transition: var(--transition);
  padding: 5px 0;
}

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

.nav-menu a.active {
  color: var(--primary-color);
}

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

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

.menu-toggle,
.close-btn {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-dark);
}

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

.project-card {
  background-color: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.project-image {
  height: 250px;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.project-content {
  padding: 25px;
}

.project-title {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.project-description {
  color: var(--text-light);
  margin-bottom: 20px;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.tech-tag {
  padding: 5px 15px;
  background-color: var(--bg-light);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--text-dark);
}

.project-links {
  display: flex;
  gap: 15px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background-color: var(--primary-color);
  color: var(--white);
  border-radius: 30px;
  font-weight: 500;
  transition: var(--transition);
  font-size: 0.9rem;
}

.project-link:hover {
  background-color: var(--secondary-color);
  transform: translateY(-3px);
}

.project-link.outline {
  background-color: transparent;
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
}

.project-link.outline:hover {
  background-color: var(--primary-color);
  color: var(--white);
}
/* contact css is here  */
.contact {
  background-color: var(--bg-dark);
}

.contact .section-title {
  color: white;
}

/* Footer */
footer {
  background-color: var(--bg-dark);
  color: var(--white);
  padding: 0px 0 20px;
}

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

.footer-logo {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: white;
}

.footer-logo span {
  color: var(--primary-color);
}

.footer-about p {
  color: white;
  margin-bottom: 20px;
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-link {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--primary-color);
  transform: translateY(-3px);
}

.footer-links h3,
.footer-contact h3 {
  font-size: 1.3rem;
  margin-bottom: 25px;
  position: relative;
  padding-bottom: 10px;
  color: white;
}

.footer-links h3::after,
.footer-contact h3::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: var(--primary-color);
}

.footer-links ul li {
  margin-bottom: 15px;
}

.footer-links a {
  color: white;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.footer-links i {
  font-size: 0.8rem;
}

.footer-contact p {
  color: white;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact i {
  color: var(--primary-color);
}

.copyright {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #9ca3af;
  font-size: 0.9rem;
}

/* Contact Form */
.contact-form {
  margin-top: 30px;
}

.form-group {
  margin-bottom: 20px;
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  font-family: "Poppins", sans-serif;
  transition: var(--transition);
}

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

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: var(--primary-color);
  color: var(--white);
  border-radius: 30px;
  font-weight: 500;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn:hover {
  background-color: var(--secondary-color);
  transform: translateY(-3px);
}

/* 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;
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

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

.back-to-top:hover {
  background-color: var(--secondary-color);
  transform: translateY(-5px);
}

/* Responsive Styles */
@media (max-width: 992px) {
  .section-title {
    font-size: 2.2rem;
  }
}

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

  .menu-toggle,
  .close-btn {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--white);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    z-index: 1001;
  }

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

  .nav-menu li {
    margin: 15px 0;
  }

  .close-btn {
    position: absolute;
    top: 30px;
    right: 30px;
    z-index: 1002;
  }

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

@media (max-width: 576px) {
  .section-title {
    font-size: 1.8rem;
  }

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