/* Global Styles */
:root {
  --primary-color: #3498db;
  --secondary-color: #2980b9;
  --dark-color: #2c3e50;
  --light-color: #ecf0f1;
  --success-color: #2ecc71;
  --danger-color: #e74c3c;
  --warning-color: #f39c12;
  --info-color: #1abc9c;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: #f9f9f9;
  color: #333;
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: var(--dark-color);
}

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
  font-size: 36px;
  color: var(--dark-color);
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--primary-color);
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 5px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn:hover {
  background-color: var(--secondary-color);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.header.scrolled {
  padding: 10px 0;
}

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

.logo a {
  font-size: 24px;
  font-weight: 700;
  color: var(--dark-color);
}

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

.navbar ul {
  display: flex;
}

.navbar ul li {
  margin-left: 30px;
}

.navbar ul li a {
  font-size: 16px;
  font-weight: 600;
  color: var(--dark-color);
  transition: color 0.3s ease;
  position: relative;
}

.navbar ul li a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

.navbar ul li a:hover::after {
  width: 100%;
}

.navbar ul li a.active {
  color: var(--primary-color);
}

.navbar ul li a.active::after {
  width: 100%;
}

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

/* Home Section */
.home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
}

.home-content {
  flex: 1;
  padding-right: 30px;
}

.home-content h1 {
  font-size: 48px;
  margin-bottom: 15px;
  color: var(--dark-color);
}

.home-content h1 span {
  color: var(--primary-color);
}

.home-content h3 {
  font-size: 24px;
  margin-bottom: 15px;
  color: #555;
}

.home-content p {
  font-size: 16px;
  color: #666;
  margin-bottom: 30px;
  max-width: 500px;
}

.social-links {
  margin-bottom: 30px;
}

.social-links a {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background-color: var(--light-color);
  border-radius: 50%;
  margin-right: 10px;
  color: var(--dark-color);
  transition: all 0.3s ease;
}

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

.home-image {
  flex: 1;
  text-align: center;
}

.home-image img {
  max-width: 100%;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
  100% {
    transform: translateY(0);
  }
}

/* Tentang Section */
.tentang-content {
  display: flex;
  align-items: center;
  gap: 50px;
}

.tentang-image {
  flex: 1;
}

.tentang-image img {
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.tentang-text {
  flex: 1;
}

.tentang-text h3 {
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--dark-color);
}

.tentang-text p {
  margin-bottom: 30px;
  color: #666;
}

.info {
  margin-bottom: 30px;
}

.info-item {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

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

/* Keahlian Section */
.keahlian-content {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.skill-item {
  margin-bottom: 20px;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.skill-info span {
  font-weight: 600;
  color: var(--dark-color);
}

.progress-bar {
  height: 10px;
  background-color: var(--light-color);
  border-radius: 5px;
  overflow: hidden;
}

.progress {
  height: 100%;
  border-radius: 5px;
  background-color: var(--primary-color);
  position: relative;
}

.progress::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  animation: progressAnimation 2s infinite;
}

@keyframes progressAnimation {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.progress.html {
  width: 95%;
}

.progress.css {
  width: 90%;
}

.progress.js {
  width: 85%;
}

.progress.php {
  width: 80%;
}

.progress.react {
  width: 75%;
}

.progress.node {
  width: 70%;
}

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

.portfolio-item {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

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

.portfolio-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: all 0.5s ease;
}

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

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(52, 152, 219, 0.9);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: all 0.3s ease;
  padding: 20px;
  text-align: center;
}

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

.portfolio-overlay h3 {
  color: white;
  font-size: 22px;
  margin-bottom: 10px;
}

.portfolio-overlay p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 20px;
}

.portfolio-overlay a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 50px;
  height: 50px;
  background-color: white;
  border-radius: 50%;
  color: var(--primary-color);
  font-size: 20px;
  transition: all 0.3s ease;
}

.portfolio-overlay a:hover {
  background-color: var(--dark-color);
  color: white;
  transform: rotate(360deg);
}

/* Pengalaman Section */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background-color: var(--primary-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 50px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-date {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary-color);
  color: white;
  padding: 5px 15px;
  border-radius: 20px;
  font-weight: 600;
}

.timeline-content {
  width: calc(50% - 40px);
  padding: 20px;
  background-color: white;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: auto;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-right: auto;
}

.timeline-content::before {
  content: "";
  position: absolute;
  top: 20px;
  width: 0;
  height: 0;
  border-style: solid;
}

.timeline-item:nth-child(odd) .timeline-content::before {
  right: 100%;
  border-width: 10px 15px 10px 0;
  border-color: transparent white transparent transparent;
}

.timeline-item:nth-child(even) .timeline-content::before {
  left: 100%;
  border-width: 10px 0 10px 15px;
  border-color: transparent transparent transparent white;
}

.timeline-content h3 {
  font-size: 20px;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.timeline-content h4 {
  font-size: 16px;
  margin-bottom: 10px;
  color: var(--dark-color);
}

.timeline-content p {
  color: #666;
}

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

.blog-item {
  background-color: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

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

.blog-image {
  position: relative;
}

.blog-image img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.blog-date {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background-color: var(--primary-color);
  color: white;
  padding: 5px 15px;
  border-radius: 20px;
  font-weight: 600;
}

.blog-text {
  padding: 20px;
}

.blog-text h3 a {
  font-size: 20px;
  margin-bottom: 15px;
  color: var(--dark-color);
  transition: color 0.3s ease;
}

.blog-text h3 a:hover {
  color: var(--primary-color);
}

.blog-text p {
  margin-bottom: 15px;
  color: #666;
}

.read-more {
  color: var(--primary-color);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
}

.read-more::after {
  content: "\f061";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  margin-left: 5px;
  transition: margin-left 0.3s ease;
}

.read-more:hover::after {
  margin-left: 10px;
}

/* Klien Section */
.client-slider {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
}

.client-item {
  background-color: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.client-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.client-item img {
  height: 50px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: all 0.3s ease;
}

.client-item:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* Testimoni Section */
.testimonial-slider {
  max-width: 800px;
  margin: 0 auto;
}

.testimonial-item {
  background-color: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  margin: 0 15px;
}

.testimonial-text {
  font-style: italic;
  color: #666;
  margin-bottom: 20px;
  position: relative;
}

.testimonial-text::before {
  content: "\201C";
  font-size: 60px;
  color: var(--primary-color);
  opacity: 0.3;
  position: absolute;
  top: -20px;
  left: -10px;
}

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

.testimonial-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 15px;
}

.author-info h4 {
  font-size: 18px;
  color: var(--dark-color);
  margin-bottom: 5px;
}

.author-info span {
  font-size: 14px;
  color: #666;
}

/* Contact Section */
.contact-content {
  display: flex;
  gap: 50px;
}

.contact-info {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.contact-item {
  background-color: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: all 0.3s ease;
}

.contact-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.contact-item i {
  font-size: 30px;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.contact-item h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--dark-color);
}

.contact-form {
  flex: 1;
  background-color: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 16px;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

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

/* Footer */
.footer {
  background-color: var(--dark-color);
  color: white;
  padding: 80px 0 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.footer-about h3 {
  font-size: 20px;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

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

.footer-about p {
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-links h3 {
  font-size: 20px;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

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

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

.footer-links ul li a {
  color: rgba(255, 255, 255, 0.7);
  transition: all 0.3s ease;
  display: inline-block;
}

.footer-links ul li a:hover {
  color: white;
  transform: translateX(5px);
}

.footer-newsletter h3 {
  font-size: 20px;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

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

.footer-newsletter p {
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-newsletter form {
  display: flex;
}

.footer-newsletter input {
  flex: 1;
  padding: 12px 15px;
  border: none;
  border-radius: 5px 0 0 5px;
  font-size: 16px;
}

.footer-newsletter button {
  padding: 0 20px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 0 5px 5px 0;
  cursor: pointer;
  transition: all 0.3s ease;
}

.footer-newsletter button:hover {
  background-color: var(--secondary-color);
}

.footer-bottom {
  background-color: rgba(0, 0, 0, 0.1);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
}

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

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