@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap");

:root {
  --primary-color: #6366f1;
  --secondary-color: #8b5cf6;
  --accent-color: #ec4899;
  --dark-color: #1e293b;
  --light-color: #f8fafc;
  --gray-color: #94a3b8;
  --transition-speed: 0.3s;
}

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

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

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

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

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

header.scrolled {
  padding: 0.5rem 0;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  transition: all var(--transition-speed) ease;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  display: flex;
  align-items: center;
}

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

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-weight: 500;
  position: relative;
  transition: color var(--transition-speed) ease;
}

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

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

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

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

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 600px;
  z-index: 1;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-weight: 500;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero-title span {
  background: linear-gradient(
    to right,
    var(--primary-color),
    var(--accent-color)
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--gray-color);
  margin-bottom: 2rem;
}

.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: 500;
  transition: all var(--transition-speed) ease;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(
    to right,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
  background: transparent;
  color: var(--dark-color);
  border: 2px solid var(--primary-color);
  margin-left: 1rem;
}

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

.hero-image {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 45%;
  z-index: 0;
}

.social-links {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  transition: all var(--transition-speed) ease;
}

.social-link:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
  color: var(--primary-color);
}

/* About Section */
.section {
  padding: 6rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(
    to right,
    var(--primary-color),
    var(--accent-color)
  );
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-image::before {
  content: "";
  position: absolute;
  top: -20px;
  left: -20px;
  width: 100%;
  height: 100%;
  border: 5px solid var(--primary-color);
  border-radius: 20px;
  z-index: -1;
}

.about-text h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.about-text p {
  margin-bottom: 1.5rem;
  color: var(--gray-color);
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.skill {
  padding: 0.5rem 1.5rem;
  background-color: white;
  border-radius: 50px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  font-weight: 500;
  transition: all var(--transition-speed) ease;
}

.skill:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
  color: var(--primary-color);
}

/* Services Section */
.services {
  background-color: #f1f5f9;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: white;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: all var(--transition-speed) ease;
}

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

.service-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(
    to right,
    var(--primary-color),
    var(--secondary-color)
  );
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: white;
  font-size: 1.5rem;
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.service-description {
  color: var(--gray-color);
}

/* Portfolio Section */
.portfolio-filter {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1.5rem;
  background-color: white;
  border: none;
  border-radius: 50px;
  font-family: "Poppins", sans-serif;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.filter-btn.active,
.filter-btn:hover {
  background: linear-gradient(
    to right,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  box-shadow: 0 8px 15px rgba(99, 102, 241, 0.3);
}

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

.portfolio-item {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  height: 300px;
  cursor: pointer;
}

.portfolio-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-speed) ease;
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  opacity: 0;
  transition: opacity var(--transition-speed) ease;
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-item:hover .portfolio-image {
  transform: scale(1.1);
}

.portfolio-title {
  color: white;
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.portfolio-category {
  color: var(--accent-color);
  font-weight: 500;
}

/* Testimonials Section */
.testimonials {
  background-color: #f1f5f9;
}

.testimonial-slider {
  position: relative;
  overflow: hidden;
  padding: 2rem 0;
}

.testimonial-track {
  display: flex;
  transition: transform 0.5s ease;
}

.testimonial-slide {
  min-width: 100%;
  padding: 0 1rem;
}

.testimonial-card {
  background-color: white;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 10px;
  left: 20px;
  font-size: 5rem;
  color: rgba(99, 102, 241, 0.1);
  font-family: serif;
  line-height: 1;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 2rem;
  color: var(--gray-color);
}

.testimonial-author {
  display: flex;
  align-items: center;
}

.author-image {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 1rem;
}

.author-info h4 {
  font-size: 1.2rem;
  margin-bottom: 0.2rem;
}

.author-info p {
  color: var(--gray-color);
  font-size: 0.9rem;
}

.slider-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.slider-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: white;
  border: none;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-speed) ease;
}

.slider-btn:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 8px 15px rgba(99, 102, 241, 0.3);
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.contact-info p {
  color: var(--gray-color);
  margin-bottom: 2rem;
}

.contact-details {
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.contact-icon {
  width: 40px;
  height: 40px;
  background-color: rgba(99, 102, 241, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  color: var(--primary-color);
}

.contact-form {
  background-color: white;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

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

.form-control {
  width: 100%;
  padding: 1rem;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-family: "Poppins", sans-serif;
  transition: all var(--transition-speed) ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

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

/* Footer */
footer {
  background-color: var(--dark-color);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-logo {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-text {
  color: #cbd5e1;
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

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

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

.footer-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  position: relative;
}

.footer-title::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--primary-color);
}

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: #cbd5e1;
  transition: color var(--transition-speed) ease;
}

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

.copyright {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(
    to right,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-speed) ease;
  z-index: 99;
}

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

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.6);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }

  .hero-image {
    width: 40%;
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 1rem 0;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background-color: white;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    transition: right var(--transition-speed) ease;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    z-index: 100;
  }

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

  .mobile-menu-btn {
    display: block;
    z-index: 101;
  }

  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 6rem;
    height: auto;
    padding-bottom: 3rem;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-image {
    position: relative;
    width: 80%;
    transform: none;
    top: 0;
    margin-top: 3rem;
  }

  .social-links {
    justify-content: center;
  }

  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-image {
    order: -1;
  }

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

  .section {
    padding: 4rem 0;
  }

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

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .btn {
    display: block;
    width: 100%;
    margin: 1rem 0;
  }

  .btn-secondary {
    margin-left: 0;
  }

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

  .footer-content {
    grid-template-columns: 1fr;
  }
}

/* Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.active {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile Menu Overlay */
.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-speed) ease;
}

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