:root{
  --bg: #0b1220;
  --panel: rgba(255,255,255,.06);
  --text: #e9eefc;
  --muted: rgba(233,238,252,.72);
  --line: rgba(233,238,252,.14);
  --accent: #7c5cff;
  --accent2: #22c55e;
  --shadow: 0 18px 50px rgba(0,0,0,.35);

  --radius: 16px;
  --container: 1100px;
  --transition: 220ms ease;
}

[data-theme="light"]{
  --bg: #f7f8ff;
  --panel: rgba(10,20,40,.06);
  --text: #0b1220;
  --muted: rgba(11,18,32,.72);
  --line: rgba(11,18,32,.14);
  --shadow: 0 18px 50px rgba(0,0,0,.10);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 800px at 20% -10%, rgba(124,92,255,.28), transparent 55%),
              radial-gradient(900px 600px at 110% 20%, rgba(34,197,94,.18), transparent 50%),
              var(--bg);
  color: var(--text);
  line-height:1.6;
}

img{max-width:100%; display:block}
a{color: inherit; text-decoration:none}
.container{width:min(var(--container), calc(100% - 40px)); margin-inline:auto}

.section{padding: 90px 0}
.section--alt{background: linear-gradient(180deg, transparent, rgba(255,255,255,.03), transparent)}
.section__head{margin-bottom: 26px}
.section__head h2{margin:0 0 6px; font-size: clamp(24px, 2vw + 14px, 34px)}
.muted{color: var(--muted)}
.small{font-size: .92rem}

.scroll-progress{
  position: fixed; inset: 0 auto auto 0;
  height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  z-index: 99;
}

/* Header */
.header{
  position: sticky; top: 0; z-index: 98;
  backdrop-filter: blur(10px);
  background: rgba(10,14,26,.50);
  border-bottom: 1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 18px;
}
[data-theme="light"] .header{background: rgba(255,255,255,.55)}

.brand{
  display:flex; gap: 10px; align-items:center; font-weight: 800;
}
.brand__dot{
  width: 10px; height: 10px; border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(124,92,255,.18);
}

.nav{
  display:flex;
  align-items:center;
  gap: 14px;
  position: relative;
}

.nav__actions{
  display:flex;
  align-items:center;
  gap: 10px;
}

/* hamburger */
.nav__toggle{
  display:none;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  cursor:pointer;
}
.hamburger{
  width: 18px; height: 2px; background: var(--text);
  display:block; position: relative;
}
.hamburger::before,.hamburger::after{
  content:""; position:absolute; left:0; width:18px; height:2px; background: var(--text);
}
.hamburger::before{top:-6px}
.hamburger::after{top:6px}

.nav__menu{display:flex; align-items:center; gap: 10px}
.nav__link{
  padding: 10px 10px;
  border-radius: 12px;
  color: var(--muted);
  transition: var(--transition);
  border: 1px solid transparent;
}
.nav__link:hover{background: var(--panel); color: var(--text)}
.nav__link.active{color: var(--text); background: rgba(124,92,255,.16); border-color: rgba(124,92,255,.24)}

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

/* Components */
.card{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.btn{
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px 14px;
  display:inline-flex; align-items:center; gap: 10px;
  cursor:pointer;
  transition: var(--transition);
  font-weight: 700;
  background: transparent;
}
.btn--small{padding: 8px 10px; border-radius: 12px; font-weight: 700}
.btn--primary{
  background: linear-gradient(90deg, var(--accent), #5aa0ff);
  border: none;
  color: white;
}
.btn--primary:hover{transform: translateY(-1px); filter: brightness(1.02)}
.btn--outline:hover{background: var(--panel)}
.btn--ghost{
  background: transparent;
  border: 1px dashed var(--line);
}
.btn--ghost:hover{background: var(--panel)}

.chip{
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  transition: var(--transition);
}
.chip:hover{background: var(--panel); color: var(--text)}

.badge{
  display:inline-flex; align-items:center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.559);
  border: 1px solid rgba(34,197,94,.26);
  color: rgb(255, 255, 255);
  font-weight: 800;
  width: fit-content;
}

.accent{color: var(--accent)}

/* Hero */
.hero{padding-top: 44px; position: relative}
.hero__grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 22px;
  align-items: start;
}
.hero__title{
  margin: 10px 0 10px;
  font-size: clamp(34px, 2.4vw + 20px, 52px);
  line-height: 1.12;
}
.hero__subtitle{margin: 0 0 10px; font-size: 1.18rem}
.hero__desc{max-width: 56ch}
.hero__cta{display:flex; gap: 10px; flex-wrap: wrap; margin: 18px 0}
.hero__social{display:flex; gap: 10px; flex-wrap: wrap}

.hero__media{display:grid; gap: 12px}
.avatar-card{padding: 16px}

/* Avatar: tampil utuh */
.avatar{
  width: 100%;
  height: 270px;
  object-fit: contain;
  object-position: center;
  background: rgba(255, 255, 255, 0);
  border-radius: 14px;
  border: 1px solid var(--line);
}

.avatar-card__meta{
  display:flex; align-items:center; justify-content:space-between;
  gap: 10px;
  margin-top: 12px;
}
.status{
  font-size: .9rem;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(124,92,255,.16);
  border: 1px solid rgba(124,92,255,.22);
}

.stat-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.stat{padding: 14px; text-align: center}
.stat__num{font-size: 1.8rem; margin: 0; font-weight: 900}
.stat__label{margin: 0; color: var(--muted); font-weight: 800}

.scroll-hint{
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 18px;
  opacity: .65;
  font-size: 26px;
  animation: bounce 1.8s infinite;
}
@keyframes bounce{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,6px)}}

/* Layout */
.grid-2{display:grid; grid-template-columns: repeat(2, 1fr); gap: 16px}
.sep{border:0; border-top: 1px solid var(--line); margin: 16px 0}

.checklist{margin: 12px 0 0; padding-left: 18px}
.checklist li{margin: 6px 0}
.highlights{display:grid; gap: 12px}
.highlight{padding: 12px; border-radius: 14px; border: 1px solid var(--line); background: rgba(255,255,255,.03)}
.highlight__title{margin:0 0 4px; font-weight: 900}
.callout{
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(124,92,255,.25);
  background: rgba(124,92,255,.10);
}

/* Skills */
.skill{margin-top: 12px}
.skill__row{display:flex; justify-content:space-between; font-weight: 800}
.bar{
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid var(--line);
  overflow:hidden;
  margin-top: 8px;
}
.bar > span{
  display:block; height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  width: 0;
  transition: width 900ms ease;
}

.pill-grid{display:flex; flex-wrap: wrap; gap: 10px; margin-top: 10px}
.pill{
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  color: var(--muted);
  font-weight: 800;
}
.pill--brand{color: rgba(255, 255, 255, 0.9); background: rgba(34, 197, 94, 0.559); border-color: rgba(34,197,94,.24)}

/* Certifications */
.cert-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.cert__top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.cert__badge{
  font-weight: 900;
  font-size: .78rem;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(124,92,255,.16);
  border: 1px solid rgba(124,92,255,.28);
}
.cert__title{margin: 0 0 6px}
.cert__actions{display:flex; gap: 10px; flex-wrap:wrap; margin-top: 12px}

/* Shared PDF preview (CV + Sertifikat) */
.pdf-preview{
  margin-top: 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  overflow: hidden;
  min-height: 360px;
}
.pdf-preview iframe{
  width: 100%;
  height: min(70vh, 560px);
  border: 0;
  display:block;
}

/* Projects */
.filters{display:flex; gap: 10px; flex-wrap: wrap; margin: 10px 0 18px}
.filter{
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-weight: 900;
  cursor:pointer;
  transition: var(--transition);
}
.filter:hover{background: var(--panel); color: var(--text)}
.filter.active{background: rgba(124,92,255,.16); color: var(--text); border-color: rgba(124,92,255,.28)}
.project-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.project{padding: 0; overflow:hidden}
.project__img{height: 160px; width: 100%; object-fit: cover; border-bottom: 1px solid var(--line)}
.project__body{padding: 16px}
.project__title{margin: 0 0 6px}
.project__meta{display:flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 12px}
.tag{
  font-size: .86rem;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-weight: 700;
}
.project__actions{display:flex; gap: 10px; flex-wrap: wrap}

/* Timeline */
.timeline{display:grid; gap: 14px}
.timeline__time{margin: 0 0 6px; color: var(--muted); font-weight: 900}
.bullet{padding-left: 18px; margin: 10px 0 0}
.bullet li{margin: 6px 0}

/* Contact */
.contact-list{display:grid; gap: 10px; margin-top: 12px}
.contact-item{
  display:flex; gap: 10px; align-items:center;
  padding: 10px 12px; border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  color: var(--muted);
}
.contact-item:hover{background: var(--panel); color: var(--text)}

.field{display:grid; gap: 6px; margin: 10px 0}
input, textarea{
  width: 100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  color: var(--text);
  outline: none;
  transition: var(--transition);
}
input:focus, textarea:focus{
  border-color: rgba(124,92,255,.45);
  box-shadow: 0 0 0 6px rgba(124,92,255,.14);
}
.error{color: #ff6b6b; min-height: 18px}

/* Footer */
.footer{
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.footer__row{display:flex; justify-content:space-between; gap: 12px; align-items:center}
.link:hover{text-decoration: underline}

/* Back to top */
.to-top{
  position: fixed;
  right: 16px;
  bottom: 16px;
  width: 44px; height: 44px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  cursor:pointer;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events:none;
  transform: translateY(8px);
  transition: var(--transition);
}
.to-top.show{
  opacity: 1;
  pointer-events:auto;
  transform: translateY(0);
}

/* Modal */
.modal{
  width: min(760px, calc(100% - 24px));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(10,14,26,.92);
  color: var(--text);
  padding: 16px;
  box-shadow: var(--shadow);
}
[data-theme="light"] .modal{background: rgba(255,255,255,.92)}
.modal::backdrop{background: rgba(0,0,0,.55)}
.modal__header{display:flex; justify-content:space-between; align-items:center; gap: 12px}
.modal__actions{display:flex; gap: 10px; flex-wrap: wrap; margin-top: 12px}

/* Reveal */
.reveal{opacity: 0; transform: translateY(14px); transition: 700ms ease}
.reveal.show{opacity: 1; transform: translateY(0)}

/* Responsive */
@media (max-width: 980px){
  .hero__grid{grid-template-columns: 1fr}
  .project-grid{grid-template-columns: repeat(2, 1fr)}
  .cert-grid{grid-template-columns: repeat(2, 1fr)}
}
@media (max-width: 720px){
  .grid-2{grid-template-columns: 1fr}
  .project-grid{grid-template-columns: 1fr}
  .cert-grid{grid-template-columns: 1fr}
  .pdf-preview{min-height: 280px}

  .nav__toggle{display:inline-flex}

  /* Theme toggle compact */
  #themeToggle{
    padding: 10px;
    border-radius: 12px;
  }
  #themeToggle .btn__text{display:none}

  .nav__menu{
    position: absolute;
    right: 0;
    top: 52px;
    display:none;
    flex-direction: column;
    gap: 8px;
    padding: 12px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: rgba(10,14,26,.92);
    width: min(260px, calc(100vw - 24px));
    box-shadow: var(--shadow);
  }
  [data-theme="light"] .nav__menu{background: rgba(255,255,255,.92)}
  .nav__menu.open{display:flex}

  .nav__link{width: 100%;}
}