/* Variabel CSS */
:root {
  --primary: #8e44ad;
  --secondary: #9b59b6;
  --accent: #f39c12;
  --light: #f5f5f5;
  --dark: #333;
  --gray: #95a5a6;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  color: var(--dark);
  background-color: var(--light);
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

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

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

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

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

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

.nav-menu a {
  text-decoration: none;
  color: var(--dark);
  font-weight: 500;
  transition: color 0.3s;
}

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

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 150px 0 100px;
  background: linear-gradient(rgba(142, 68, 173, 0.8), rgba(155, 89, 182, 0.8)),
    url("https://images.unsplash.com/photo-1511795409834-ef04bbd61622?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80");
  background-size: cover;
  background-position: center;
  color: white;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto 30px;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: var(--accent);
  color: white;
  text-decoration: none;
  border-radius: 30px;
  font-weight: 600;
  transition: all 0.3s;
}

.btn:hover {
  background-color: #e67e22;
  transform: translateY(-3px);
}

/* Services Section */
.services {
  padding: 80px 0;
  text-align: center;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: var(--primary);
}

.section-subtitle {
  color: var(--gray);
  margin-bottom: 60px;
}

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

.service-card {
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s;
}

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

.service-icon {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 20px;
}

.service-card h3 {
  margin-bottom: 15px;
}

/* Portfolio Section */
.portfolio {
  padding: 80px 0;
  background-color: #f9f9f9;
}

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

.filter-btn {
  padding: 8px 20px;
  margin: 5px;
  background: white;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.3s;
}

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

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
}

.portfolio-item {
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  height: 250px;
}

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

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

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(142, 68, 173, 0.8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s;
  color: white;
  text-align: center;
}

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

/* Testimonials */
.testimonials {
  padding: 80px 0;
  text-align: center;
}

.testimonial-container {
  max-width: 800px;
  margin: 0 auto;
}

.testimonial {
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  margin: 20px;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 20px;
}

.testimonial-author {
  font-weight: 600;
  color: var(--primary);
}

/* Contact Section */
.contact {
  padding: 80px 0;
  background-color: #f9f9f9;
}

.contact-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.contact-info {
  margin-bottom: 30px;
}

.contact-info-item {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.contact-icon {
  width: 40px;
  height: 40px;
  background-color: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-right: 15px;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 12px 15px;
  margin-bottom: 20px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 1rem;
}

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

.contact-form button {
  width: 100%;
}

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

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

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

.footer-social {
  display: flex;
  margin-top: 20px;
}

.footer-social a {
  width: 35px;
  height: 35px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-right: 10px;
  color: white;
  text-decoration: none;
  transition: background-color 0.3s;
}

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

.footer-links h4 {
  margin-bottom: 20px;
  font-size: 1.2rem;
}

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

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

.footer-links a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: white;
}

.copyright {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #ccc;
  font-size: 0.9rem;
}

/* Responsive Styles */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    background-color: white;
    width: 100%;
    flex-direction: column;
    text-align: center;
    padding: 20px 0;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    transition: left 0.3s;
  }

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

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

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

  .hero h1 {
    font-size: 2.2rem;
  }

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

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

  .filter-btn {
    width: 200px;
    margin: 5px 0;
  }
}