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

:root {
  --primary: #6c63ff;
  --primary-dark: #554fd8;
  --secondary: #ff6584;
  --dark: #2d2b55;
  --light: #f5f5f7;
  --gray: #8a8aa3;
  --light-gray: #e5e5ea;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

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

h1,
h2,
h3,
h4 {
  font-family: "Raleway", sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

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

section {
  padding: 100px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.5rem;
  position: relative;
  display: inline-block;
  margin-bottom: 15px;
}

.section-title h2::after {
  content: "";
  position: absolute;
  width: 70px;
  height: 4px;
  background: var(--primary);
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px;
}

.section-title p {
  color: var(--gray);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.5px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(108, 99, 255, 0.2);
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(108, 99, 255, 0.3);
}

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

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

/* Navigation */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

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

.logo {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: 1px;
}

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

.nav-links {
  display: flex;
  list-style: none;
}

.nav-links li {
  margin-left: 40px;
}

.nav-links a {
  text-decoration: none;
  color: var(--dark);
  font-weight: 500;
  font-size: 1rem;
  transition: var(--transition);
  position: relative;
}

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

.nav-links a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  background: var(--primary);
  left: 0;
  bottom: -5px;
  transition: var(--transition);
}

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

.nav-links .btn {
  padding: 10px 25px;
  margin-left: 20px;
}

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

/* Hero Section */
.hero {
  padding-top: 150px;
  background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(108, 99, 255, 0.1) 0%, rgba(255, 101, 132, 0.1) 100%);
  top: -300px;
  right: -200px;
  z-index: 0;
}

.hero-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.hero-text {
  flex: 1;
  padding-right: 40px;
}

.hero-text h1 {
  font-size: 3.5rem;
  margin-bottom: 15px;
  color: var(--dark);
}

.hero-text h1 span {
  color: var(--primary);
  position: relative;
}

.hero-text h1 span::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 8px;
  background: rgba(108, 99, 255, 0.2);
  bottom: 5px;
  left: 0;
  z-index: -1;
}

.hero-text h2 {
  font-size: 1.8rem;
  color: var(--gray);
  margin-bottom: 25px;
  font-weight: 500;
}

.hero-text p {
  font-size: 1.1rem;
  color: var(--gray);
  margin-bottom: 35px;
  max-width: 600px;
}

.hero-image {
  flex: 1;
  text-align: center;
  position: relative;
}

.hero-image img {
  width: 100%;
  max-width: 500px;
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  box-shadow: var(--shadow);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0% {
    transform: translateY(0px);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  }
  50% {
    transform: translateY(-20px);
    border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%;
  }
  100% {
    transform: translateY(0px);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  }
}

/* About Section */
.about-content {
  display: flex;
  align-items: center;
  gap: 60px;
}

.about-text {
  flex: 1;
}

.about-text p {
  margin-bottom: 20px;
  font-size: 1.05rem;
  color: #555;
}

.about-image {
  flex: 1;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.about-image img {
  width: 100%;
  height: auto;
  transition: var(--transition);
}

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

/* Skills Section */
.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.skill-card {
  background: var(--white);
  padding: 30px;
  border-radius: 15px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
}

.skill-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.skill-card i {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 20px;
}

.skill-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

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

.service-card {
  background: var(--white);
  padding: 40px 30px;
  border-radius: 15px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
  border-top: 4px solid transparent;
}

.service-card:hover {
  transform: translateY(-10px);
  border-top-color: var(--primary);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.service-card i {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 25px;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

/* Projects Section */
.projects-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 10px 25px;
  background: var(--white);
  border: 2px solid var(--light-gray);
  border-radius: 50px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

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

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

.project-card {
  background: var(--white);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.project-image {
  position: relative;
  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(1.05);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(45, 43, 85, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-links {
  display: flex;
  gap: 20px;
}

.project-link {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--white);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.2rem;
  transition: var(--transition);
}

.project-link:hover {
  background: var(--primary);
  color: var(--white);
}

.project-content {
  padding: 25px;
}

.project-content h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0;
}

.tech-tag {
  padding: 5px 15px;
  background: rgba(108, 99, 255, 0.1);
  color: var(--primary);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
}

.project-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--light-gray);
}

.project-date {
  color: var(--gray);
  font-size: 0.9rem;
}

/* Contact Section */
.contact-container {
  display: flex;
  gap: 60px;
}

.contact-info {
  flex: 1;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 40px;
}

.contact-item i {
  font-size: 1.5rem;
  color: var(--primary);
  margin-right: 20px;
  margin-top: 5px;
}

.contact-item h3 {
  font-size: 1.2rem;
  margin-bottom: 5px;
}

.contact-form {
  flex: 1;
  background: var(--white);
  padding: 40px;
  border-radius: 15px;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 25px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 15px;
  border: 1px solid var(--light-gray);
  border-radius: 10px;
  font-family: "Poppins", sans-serif;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.1);
}

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

/* Footer */
footer {
  background: var(--dark);
  color: var(--white);
  padding: 60px 0 30px;
  text-align: center;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 25px;
  margin-bottom: 40px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  font-size: 1.2rem;
  transition: var(--transition);
  text-decoration: none;
}

.social-links a:hover {
  background: var(--primary);
  transform: translateY(-5px);
}

.copyright {
  color: var(--gray);
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 992px) {
  .hero-content,
  .about-content,
  .contact-container {
    flex-direction: column;
  }

  .hero-text,
  .about-text,
  .contact-info {
    padding-right: 0;
    margin-bottom: 50px;
  }

  .hero-text h1 {
    font-size: 2.8rem;
  }

  .section-title h2 {
    font-size: 2.2rem;
  }

  .nav-links {
    display: none;
  }

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

  .mobile-nav {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    padding: 20px 0;
    display: block;
    z-index: 999;
  }

  .mobile-nav ul {
    list-style: none;
    text-align: center;
  }

  .mobile-nav li {
    margin: 20px 0;
  }

  .mobile-nav a {
    font-size: 1.2rem;
  }
}

@media (max-width: 768px) {
  .hero-text h1 {
    font-size: 2.3rem;
  }

  .hero-text h2 {
    font-size: 1.5rem;
  }

  .section-title h2 {
    font-size: 2rem;
  }

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

  section {
    padding: 70px 0;
  }
}

/* Scroll to top button */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 5px 15px rgba(108, 99, 255, 0.3);
}

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

.scroll-top:hover {
  background: var(--primary-dark);
  transform: translateY(-5px);
}