/* =====================================================
   jadol.web.id — Developer Portfolio
   Token system:
   Color   : --bg #0B0F13 (dasar gelap), --bg-2 #121821, --panel #161D26,
             --accent #5FE3C0 (mint/teal, aksen "terminal"), --accent-dim #2E5E52,
             --text #C6D0CC, --text-bright #ECF2EF, --border #223047
   Type    : Display = "Sora" (geometris modern), Body = "IBM Plex Sans",
             Code/label = "IBM Plex Mono"
   Layout  : SIDEBAR NAVIGASI TETAP DI KIRI menggantikan header/topbar horizontal
             yang dipakai di 4 project sebelumnya — beda struktur, bukan cuma beda warna
   Signature: garis nomor "01 / 02 / 03" ala index proyek, kursor blok berkedip di hero
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@500;600;700;800&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --bg:#0B0F13;
  --bg-2:#121821;
  --panel:#161D26;
  --accent:#5FE3C0;
  --accent-dim:#2E5E52;
  --text:#C6D0CC;
  --text-bright:#ECF2EF;
  --border:#223047;
  --grey:#8A9591;
  --sidebar-w:300px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:'IBM Plex Sans',system-ui,sans-serif; font-size:16px; line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Sora',sans-serif; font-weight:700; line-height:1.2; margin:0 0 .5em; color:var(--text-bright);}
p{margin:0 0 1em; color:var(--text);}
a{color:var(--accent); text-decoration:none;}
a:hover{color:var(--text-bright);}
img,svg{max-width:100%; display:block;}
.mono{font-family:'IBM Plex Mono',monospace;}
.skip-link{position:absolute; left:-999px; top:0; background:var(--accent); color:var(--bg); padding:10px 16px; z-index:999;}
.skip-link:focus{left:16px; top:16px;}

/* ===== Layout shell: fixed sidebar + scrolling content ===== */
.shell{display:flex; min-height:100vh;}

/* ===== SIDEBAR (replaces topbar header) ===== */
.side-nav{
  width:var(--sidebar-w); flex-shrink:0; position:sticky; top:0; height:100vh;
  padding:48px 36px; display:flex; flex-direction:column; justify-content:space-between;
  border-right:1px solid var(--border); background:var(--bg-2);
}
.side-top .handle{
  font-family:'Sora',sans-serif; font-weight:800; font-size:26px; color:var(--text-bright);
  display:flex; align-items:center; gap:10px; margin-bottom:8px;
}
.side-top .handle .dot{width:10px; height:10px; border-radius:50%; background:var(--accent); box-shadow:0 0 12px var(--accent); flex-shrink:0;}
.side-top .role{font-size:14px; color:var(--grey); margin-bottom:26px;}
.side-top p.blurb{font-size:13.5px; color:var(--grey); margin-bottom:30px;}
.side-nav-links{list-style:none; margin:0 0 30px; padding:0; display:flex; flex-direction:column; gap:4px;}
.side-nav-links li a{
  display:flex; align-items:center; gap:12px; font-size:13.5px; font-weight:500; color:var(--grey);
  padding:9px 0; letter-spacing:.02em;
}
.side-nav-links li a .bar{width:24px; height:1px; background:var(--grey); transition:.2s;}
.side-nav-links li a:hover, .side-nav-links li a.active{color:var(--text-bright);}
.side-nav-links li a:hover .bar, .side-nav-links li a.active .bar{width:44px; background:var(--accent);}
.side-socials{display:flex; gap:16px;}
.side-socials a{color:var(--grey); display:flex; align-items:center; justify-content:center; width:36px; height:36px; border:1px solid var(--border); border-radius:8px;}
.side-socials a:hover{color:var(--accent); border-color:var(--accent-dim);}
.side-bottom .btn{width:100%; justify-content:center;}

/* Mobile top bar (shown only on small screens) */
.mobile-topbar{display:none;}

/* ===== Main content ===== */
.content{flex:1; min-width:0;}
.wrap{max-width:840px; margin:0 auto; padding:0 48px;}
section{padding:90px 0;}
.section-label{
  display:flex; align-items:center; gap:14px; margin-bottom:36px; font-family:'IBM Plex Mono',monospace;
  font-size:13.5px; color:var(--accent); letter-spacing:.04em;
}
.section-label .num{color:var(--grey);}
.section-label .rule{flex:1; height:1px; background:var(--border);}

/* ===== Buttons ===== */
.btn{
  display:inline-flex; align-items:center; gap:8px; background:transparent; color:var(--accent);
  padding:13px 26px; font-weight:600; font-size:14px; border:1px solid var(--accent-dim); border-radius:6px;
  transition:.15s ease; font-family:'IBM Plex Mono',monospace;
}
.btn:hover{background:rgba(95,227,192,.08); border-color:var(--accent); color:var(--text-bright);}
.btn-solid{background:var(--accent); color:var(--bg); border-color:var(--accent);}
.btn-solid:hover{background:var(--text-bright); border-color:var(--text-bright); color:var(--bg);}

/* ===== Hero ===== */
.hero{padding-top:70px;}
.hero .eyebrow{font-family:'IBM Plex Mono',monospace; color:var(--accent); font-size:14.5px; margin-bottom:16px;}
.hero h1{font-size:44px; max-width:620px;}
.hero h1 .cursor{display:inline-block; width:3px; height:.9em; background:var(--accent); margin-left:4px; vertical-align:-2px; animation:blink 1.1s steps(1) infinite;}
@keyframes blink{50%{opacity:0;}}
.hero .lede{font-size:16.5px; max-width:520px; margin:18px 0 30px;}
.hero-cta{display:flex; gap:14px; flex-wrap:wrap;}

/* ===== About / skills ===== */
.about-grid{display:grid; grid-template-columns:1fr; gap:30px;}
.skills-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:26px;}
.skill-chip{
  background:var(--panel); border:1px solid var(--border); border-radius:8px; padding:12px 14px;
  font-family:'IBM Plex Mono',monospace; font-size:13px; color:var(--text); display:flex; align-items:center; gap:10px;
}
.skill-chip .bullet{color:var(--accent);}

/* ===== Projects ===== */
.project-list{display:flex; flex-direction:column; gap:2px;}
.project-item{
  border:1px solid var(--border); background:var(--panel); border-radius:10px; padding:26px;
  margin-bottom:18px; transition:.15s;
}
.project-item:hover{border-color:var(--accent-dim); background:#182029;}
.project-head{display:flex; justify-content:space-between; align-items:flex-start; gap:16px; margin-bottom:10px;}
.project-head h3{font-size:18px; margin:0;}
.project-tag{
  font-family:'IBM Plex Mono',monospace; font-size:11px; color:var(--accent); border:1px solid var(--accent-dim);
  padding:4px 10px; border-radius:999px; white-space:nowrap; flex-shrink:0;
}
.project-item p{font-size:14px; margin-bottom:14px;}
.project-stack{display:flex; gap:8px; flex-wrap:wrap;}
.stack-pill{font-family:'IBM Plex Mono',monospace; font-size:11.5px; color:var(--grey); background:var(--bg-2); border:1px solid var(--border); padding:4px 10px; border-radius:6px;}

/* ===== Experience timeline ===== */
.timeline{border-left:1px solid var(--border); padding-left:28px; display:flex; flex-direction:column; gap:34px;}
.timeline-item{position:relative;}
.timeline-item::before{content:""; position:absolute; left:-33px; top:4px; width:9px; height:9px; border-radius:50%; background:var(--accent); box-shadow:0 0 0 4px var(--bg-2);}
.timeline-item .period{font-family:'IBM Plex Mono',monospace; font-size:12.5px; color:var(--accent); margin-bottom:6px; display:block;}
.timeline-item h3{font-size:16.5px; margin-bottom:6px;}
.timeline-item p{font-size:14px; margin:0;}

/* ===== Contact ===== */
.contact-box{
  background:var(--panel); border:1px solid var(--border); border-radius:14px; padding:44px; text-align:center;
}
.contact-box h2{font-size:28px;}
.contact-box p{max-width:460px; margin-left:auto; margin-right:auto;}
.note-box{
  background:var(--bg-2); border:1px solid var(--border); border-left:3px solid var(--accent);
  padding:14px 18px; font-size:13px; color:var(--grey); border-radius:6px; margin-top:22px; text-align:left;
}

/* ===== Footer ===== */
.site-footer{padding:36px 0; border-top:1px solid var(--border); text-align:center;}
.site-footer p{font-size:12.5px; color:var(--grey); margin:0;}

/* ===== Responsive ===== */
@media (max-width:900px){
  .shell{flex-direction:column;}
  .side-nav{display:none;}
  .mobile-topbar{
    display:flex; align-items:center; justify-content:space-between; position:sticky; top:0; z-index:50;
    background:var(--bg-2); border-bottom:1px solid var(--border); padding:16px 20px;
  }
  .mobile-topbar .handle{font-family:'Sora',sans-serif; font-weight:800; color:var(--text-bright); display:flex; align-items:center; gap:8px;}
  .mobile-topbar .handle .dot{width:8px; height:8px; border-radius:50%; background:var(--accent);}
  .wrap{padding:0 22px;}
  .hero h1{font-size:32px;}
  section{padding:60px 0;}
  .skills-grid{grid-template-columns:repeat(2,1fr);}
}

a:focus-visible, button:focus-visible, .btn:focus-visible{outline:2px solid var(--accent); outline-offset:2px;}
@media (prefers-reduced-motion: reduce){ *{transition:none !important; scroll-behavior:auto !important;} .cursor{animation:none !important;} }