:root{
  --paper:#F7F7F4;
  --surface:#FFFFFF;
  --surface-alt:#EFEEE8;
  --border:#E1DFD7;
  --ink:#171B21;
  --muted:#5C6470;
  --accent:#2451D9;
  --accent-soft:#EAF0FF;
  --warm:#B96A21;
  --warm-soft:#F7EBDD;
  --radius:12px;
  --display:'Manrope', sans-serif;
  --body:'Inter', sans-serif;
  --mono:'JetBrains Mono', monospace;
}

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

html{scroll-behavior:smooth;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
}

body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  line-height:1.65;
}

a{color:inherit; text-decoration:none;}
ul{list-style:none;}
img{max-width:100%; display:block;}

.wrap{
  max-width:1040px;
  margin:0 auto;
  padding:0 28px;
}

/* ---------- header ---------- */
header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(247,247,244,0.9);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--display);
  font-weight:700;
  font-size:16px;
  color:var(--ink);
}
.brand img{width:30px; height:30px;}

nav.links{display:flex; gap:26px;}
nav.links a{
  font-size:14px;
  font-weight:500;
  color:var(--muted);
  transition:color 0.2s ease;
}
nav.links a:hover, nav.links a:focus-visible{color:var(--accent);}
nav.links a:focus-visible{outline:2px solid var(--accent); outline-offset:4px; border-radius:3px;}

.nav-toggle{
  display:none;
  background:none;
  border:1px solid var(--border);
  border-radius:6px;
  color:var(--ink);
  font-size:13px;
  padding:8px 14px;
  cursor:pointer;
}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:88px 0 70px;
  overflow:hidden;
}
.hero-inner{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--accent);
  letter-spacing:0.04em;
  display:inline-flex;
  align-items:center;
  gap:9px;
  margin-bottom:18px;
  background:var(--accent-soft);
  padding:6px 12px;
  border-radius:20px;
}

.hero h1{
  font-family:var(--display);
  font-weight:700;
  font-size:clamp(2.1rem, 4.4vw, 3.4rem);
  line-height:1.12;
  letter-spacing:-0.01em;
  margin-bottom:18px;
}
.hero h1 .hl{color:var(--accent);}

.hero .lede{
  font-size:16px;
  color:var(--muted);
  max-width:520px;
  margin-bottom:24px;
}

.role-list{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:30px;
}
.role-pill{
  font-size:12.5px;
  font-weight:500;
  color:var(--ink);
  background:var(--surface-alt);
  border:1px solid var(--border);
  padding:6px 12px;
  border-radius:20px;
}

.cta-row{display:flex; flex-wrap:wrap; gap:12px;}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 20px;
  border-radius:8px;
  font-size:14px;
  font-weight:600;
  transition:transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:focus-visible{outline:2px solid var(--accent); outline-offset:3px;}
.btn-primary{background:var(--ink); color:#fff;}
.btn-primary:hover{transform:translateY(-2px); background:var(--accent);}
.btn-ghost{border:1px solid var(--border); color:var(--ink); background:var(--surface);}
.btn-ghost:hover{border-color:var(--accent); color:var(--accent); transform:translateY(-2px);}

/* hero signature: single circuit-line motif, used once */
.circuit-motif{
  width:100%;
  height:auto;
}
.circuit-motif .ln{fill:none; stroke:var(--border); stroke-width:1.6;}
.circuit-motif .ln-accent{fill:none; stroke:var(--accent); stroke-width:1.6;}
.circuit-motif .nd{fill:var(--accent);}
.circuit-motif .nd-muted{fill:var(--border);}
.circuit-motif .badge-bg{fill:var(--surface); stroke:var(--border); stroke-width:1;}
.circuit-motif text{font-family:var(--mono); font-size:9px; fill:var(--muted);}

/* ---------- section scaffolding ---------- */
section{padding:76px 0; border-top:1px solid var(--border);}
.sec-head{display:flex; align-items:baseline; gap:14px; margin-bottom:38px;}
.sec-num{font-family:var(--mono); color:var(--muted); font-size:12.5px;}
.sec-title{font-family:var(--display); font-size:clamp(1.4rem, 2.6vw, 1.9rem); font-weight:700;}
.sec-title .accent{color:var(--accent);}

/* ---------- tentang ---------- */
.about-grid{display:grid; grid-template-columns:1.3fr 1fr; gap:50px; align-items:start;}
.about-grid p{color:var(--muted); margin-bottom:15px; font-size:15px;}
.about-grid p strong{color:var(--ink); font-weight:600;}

.facts{background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:24px;}
.facts dt{font-family:var(--mono); font-size:10.5px; color:var(--muted); text-transform:uppercase; letter-spacing:0.05em; margin-top:15px;}
.facts dt:first-child{margin-top:0;}
.facts dd{font-size:14px; color:var(--ink); margin-top:4px; font-weight:500;}

/* ---------- hobi & minat ---------- */
.two-col{display:grid; grid-template-columns:1fr 1fr; gap:18px;}
.chip-card{background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:24px;}
.chip-card h3{font-size:13px; font-weight:700; color:var(--ink); margin-bottom:16px; text-transform:uppercase; letter-spacing:0.04em;}
.chip-list{display:flex; flex-wrap:wrap; gap:9px;}
.chip{font-size:13px; padding:6px 12px; border:1px solid var(--border); border-radius:20px; color:var(--ink); background:var(--paper);}

/* ---------- teknologi ---------- */
.tech-row{display:flex; flex-wrap:wrap; gap:14px; margin-bottom:24px;}
.tech-badge{display:flex; align-items:center; gap:10px; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:14px 18px; font-size:13.5px; font-weight:600; min-width:130px;}
.tech-badge .sw{width:9px; height:9px; border-radius:2px;}
.tech-note{font-size:14px; color:var(--muted); border-left:2px solid var(--warm); padding-left:15px; max-width:640px;}
.tech-note .no{color:var(--warm); font-weight:600;}

/* ---------- visi misi ---------- */
.vm-grid{display:grid; grid-template-columns:1fr 1fr; gap:20px;}
.vm-card{background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:26px;}
.vm-card h3{font-family:var(--display); font-size:17px; margin-bottom:12px;}
.vm-card p{color:var(--muted); font-size:14px;}
.vm-card ul{margin-top:8px;}
.vm-card li{font-size:14px; color:var(--muted); padding-left:16px; position:relative; margin-bottom:8px;}
.vm-card li::before{content:'—'; position:absolute; left:0; color:var(--accent);}

/* ---------- nilai ---------- */
.value-grid{display:grid; grid-template-columns:repeat(4, 1fr); gap:1px; background:var(--border); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden;}
.value-cell{background:var(--surface); padding:20px 16px; font-size:13px; color:var(--muted);}
.value-cell b{display:block; color:var(--ink); font-size:13px; font-weight:700; margin-bottom:5px;}

/* ---------- perjalanan ---------- */
.timeline{position:relative; padding-left:26px; border-left:1px solid var(--border);}
.tl-item{position:relative; padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:''; position:absolute; left:-31px; top:4px; width:8px; height:8px; border-radius:50%; background:var(--surface); border:2px solid var(--accent);}
.tl-item h4{font-size:14px; font-weight:700; color:var(--ink); margin-bottom:5px;}
.tl-item p{color:var(--muted); font-size:14px;}

/* ---------- project ---------- */
.proj-grid{display:grid; grid-template-columns:1fr 1fr; gap:20px;}
.proj-card{background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:26px; transition:border-color 0.2s ease, transform 0.2s ease;}
.proj-card:hover{border-color:var(--accent); transform:translateY(-3px);}
.proj-tag{font-family:var(--mono); font-size:10.5px; color:var(--warm); letter-spacing:0.05em; text-transform:uppercase;}
.proj-card h3{font-family:var(--display); font-size:20px; margin:9px 0 10px;}
.proj-card p{color:var(--muted); font-size:14px; margin-bottom:16px;}
.proj-link{font-size:13.5px; font-weight:600; color:var(--accent); display:inline-flex; align-items:center; gap:6px;}
.proj-link .arrow{transition:transform 0.2s ease;}
.proj-card:hover .proj-link .arrow{transform:translateX(4px);}

/* ---------- sosial media ---------- */
.social-grid{display:grid; grid-template-columns:repeat(6, 1fr); gap:14px;}
.social-card{
  display:flex; flex-direction:column; align-items:center; gap:10px;
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:20px 12px; text-align:center; transition:border-color 0.2s ease, transform 0.2s ease;
}
.social-card:hover{border-color:var(--accent); transform:translateY(-3px);}
.social-card svg{width:26px; height:26px; color:var(--ink);}
.social-card:hover svg{color:var(--accent);}
.social-card span{font-size:12px; font-weight:600; color:var(--muted);}

/* ---------- kontak ---------- */
.contact-box{
  background:var(--ink); color:#fff;
  border-radius:var(--radius);
  padding:40px;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:24px;
}
.contact-box h2{font-family:var(--display); font-size:24px; margin-bottom:8px;}
.contact-box p{color:#B9BEC9; font-size:14px; max-width:380px;}
.contact-box .btn-primary{background:var(--accent);}
.contact-box .btn-primary:hover{background:#3a63e6;}
.contact-box .btn-ghost{border-color:#3A4150; color:#fff; background:transparent;}

footer{
  padding:28px 0;
  border-top:1px solid var(--border);
  font-size:12.5px;
  color:var(--muted);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
}

/* ---------- responsive ---------- */
@media (max-width: 860px){
  .hero-inner{grid-template-columns:1fr;}
  nav.links{
    position:fixed; top:72px; left:0; right:0;
    background:var(--paper);
    border-bottom:1px solid var(--border);
    flex-direction:column; padding:18px 28px; gap:16px;
    transform:translateY(-140%);
    transition:transform 0.25s ease;
  }
  nav.links.open{transform:translateY(0);}
  .nav-toggle{display:block;}
  .about-grid, .two-col, .vm-grid, .proj-grid{grid-template-columns:1fr;}
  .value-grid{grid-template-columns:repeat(2, 1fr);}
  .social-grid{grid-template-columns:repeat(3, 1fr);}
  .contact-box{flex-direction:column; align-items:flex-start;}
}

@media (max-width: 480px){
  .value-grid{grid-template-columns:1fr;}
  .social-grid{grid-template-columns:repeat(2, 1fr);}
}