:root{
  --bg: rgb(9,10,12);
  --muted-white: rgba(255,255,255,0.95);
  --accent: #d4a15a;
  --purple: #b99aff;
  --neon: #d9ff00;
}

/* Global */
body {
  margin: 0;
  padding: 0;
  background-color: rgb(9,10,12);
  font-family: jetbrains;
  scroll-behavior: smooth;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  width: 100%;
  height: 90px;
  background: rgba(9, 10, 12, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 60px;
  box-sizing: border-box;
  transition: backdrop-filter 0.3s ease, background 0.3s ease;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  z-index: 999;
}

.logo img {
  height: 55px;
  cursor: pointer;
}

.nav {
  display: flex;
  gap: 40px;
}

.nav a {
  text-decoration: none;
  color: white;
  font-size: 18px;
  font-weight: 500;
  opacity: 0.9;
  transition: 0.25s ease;
  position: relative;
  display: inline-block;
  overflow: hidden;
}

.nav a span {
  display: block;
  transform: translateY(0);
  transition: transform 0.32s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.nav a::after {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 0;
  transform: translateY(100%);
  transition: transform 0.32s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.08s;
  color: white;
}

.nav a:hover {
  opacity: 1;
}

.nav a:hover span {
  transform: translateY(-100%);
}

.nav a:hover::after {
  transform: translateY(0%);
}

/* Desc Section */
.about-me-wrapper{
  background: var(--bg);
  padding: 80px 24px;
  color: var(--muted-white);
}

.about-me-container{
  max-width: var(--container-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 48px;
  align-items: center;
}

.about-me-photo img{
  width: 100%;
  border-radius: 10px;
  background: #1b1b1b;
}

.about-me-content h1{
  font-size: 46px;
  font-weight: 700;
  margin: 0 0 16px;
  color: var(--accent);
  cursor: default;
}

.about-me-content p{
  max-width: 650px;
  line-height: 1.8;
  font-size: 18px;
  margin-bottom: 28px;
  color: var(--muted-white);
  text-align: justify;
}

/* Sosial Media */
.about-me-links{
  display: flex;
  gap: 24px;
}

.social-link{
  font-size: 16px;
  text-decoration: none;
  color: var(--muted-gray);
  font-family: "Inter", sans-serif;
  font-weight: 600;
  transition: 0.25s ease;
  letter-spacing: 0.4px;
  position: relative;
}

.social-link::after{
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.25s ease;
}

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

.social-link:hover{
  color: var(--accent);
  transform: translateX(4px);
}

.education-section,
.experience-section,
.certificate-section {
  background: var(--bg);
  padding: 80px 24px;
  color: var(--muted-white);
}

/* Timeline wrapper */
.timeline{
  position: relative;
}

/* Line */
.timeline::before{
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  width: 2px;
  height: 100%;
  background: grey;
  opacity: 0.4;
}

/* Title */
.edu-title,
.exp-title,
.crt-title {
  color: hsla(36, 72%, 75%, 1);
  margin-bottom: 40px;
  letter-spacing: 0.2em;
  font-weight: 500;
  font-size: 25px;
  padding-left: 50px;
  cursor: default;
}

/* Timeline item */
.timeline-item{
  position: relative;
  margin-bottom: 48px;
}

/* Bullet */
.timeline-marker{
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  position: absolute;
  left: 15px;
  top: 5px;
}

/* Content */
.timeline-content{
  padding-left: 50px;
  transform: translateY(-3px);
}

.timeline-content h3{
  margin: 0 0 2px;
  font-size: 25px;
  font-weight: 600;
}

.timeline-content .context {
  margin: 0 0 6px;
  font-size: 20px;
}

.timeline-content .context {
  color: white;
}

.timeline-content .time {
  color: grey;
  font-size: 19px;
}

.timeline-content .context,
.timeline-content .time{
  font-size: 20px;
}

.timeline-content ul li {
  margin-bottom: 14px;
  line-height: 1.5;
}

.timeline-content li {
  font-size: 18px;
}

.repo-btn,
.crt-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border: 1px solid var(--accent);
  color: var(--accent);
  text-decoration: none;
  font-size: 15px;
  letter-spacing: 2px;
  white-space: nowrap;
}

.repo-btn:hover,
.crt-btn:hover {
  background: var(--accent);
  color: var(--bg);
}

/* Footer */
.footer {
  width: 100%;
  padding: 40px 80px;
  background: var(--bg);
  color: rgba(255,255,255,0.85);
  font-family: "Inter", sans-serif;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: border-box;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-left {
  font-size: 14px;
  letter-spacing: 1px;
  cursor: default;
}

.footer-left .love {
  color: var(--accent);
  font-weight: 700;
}