/* ===== Kevin Setiadharma — Portfolio (Dark only) ===== */
:root{
  --bg:#05080d; --bg2:#0a1018; --card:#0e1620; --line:#1c2a38;
  --txt:#d6e2ee; --muted:#8aa0b4; --acc:#22e584; --acc2:#37c9ff;
  --glow:rgba(34,229,132,.25); --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--txt);
  font-family:'Inter',system-ui,sans-serif; line-height:1.7; overflow-x:hidden;
}
#matrix{position:fixed;inset:0;z-index:0;opacity:.28}
.scanlines{position:fixed;inset:0;z-index:1;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.02) 0 1px,transparent 1px 3px)}
header,section,footer,#toTop{position:relative;z-index:2}
.container{width:min(1140px,92%);margin:0 auto}
a{color:inherit;text-decoration:none}

/* NAV */
#navbar{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);
  background:rgba(5,8,13,.82);border-bottom:1px solid var(--line)}
.nav-inner{width:min(1140px,92%);margin:0 auto;display:flex;align-items:center;justify-content:space-between;
  gap:1rem;padding:.85rem 0}
.brand{font-family:'JetBrains Mono',monospace;font-weight:700;letter-spacing:.5px;white-space:nowrap}
.brand .prompt{color:var(--acc)} .brand .tilde{color:var(--acc2)}
.nav-links{display:flex;align-items:center;gap:1.2rem;font-family:'JetBrains Mono',monospace;font-size:.88rem}
.nav-links a{color:var(--muted);transition:color .2s;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:var(--acc)}
.btn-contact{border:1px solid var(--acc);color:var(--acc)!important;padding:.35rem .9rem;border-radius:8px}
.btn-contact:hover{background:var(--acc);color:var(--bg)!important}
.nav-right{display:flex;gap:.6rem;align-items:center}

/* LANGUAGE SWITCH */
.lang-switch{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.lang-btn{font-family:'JetBrains Mono',monospace;font-size:.75rem;font-weight:600;letter-spacing:.5px;
  background:transparent;border:0;color:var(--muted);padding:.4rem .6rem;cursor:pointer;transition:.2s}
.lang-btn + .lang-btn{border-left:1px solid var(--line)}
.lang-btn:hover{color:var(--acc)}
.lang-btn.active{background:var(--acc);color:#04120a}

#burger{display:none;background:transparent;border:1px solid var(--line);color:var(--txt);
  width:36px;height:36px;border-radius:8px;cursor:pointer;font-size:1rem}
#burger:hover{border-color:var(--acc);color:var(--acc)}

/* HERO */
.hero{padding:5rem 0 4rem}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center}
.hello{font-family:'JetBrains Mono',monospace;color:var(--acc);font-size:.9rem;letter-spacing:2px}
.hero h1{font-size:clamp(2rem,5vw,3.3rem);line-height:1.15;margin:.4rem 0 .6rem;font-weight:700}
.grad{background:linear-gradient(90deg,var(--acc),var(--acc2));-webkit-background-clip:text;
  background-clip:text;color:transparent}
.typed-wrap{font-family:'JetBrains Mono',monospace;font-size:clamp(1rem,2.4vw,1.35rem);
  color:var(--acc2);font-weight:500;min-height:2rem}
.caret{animation:blink 1s steps(1) infinite;color:var(--acc)}
@keyframes blink{50%{opacity:0}}
.lead{color:var(--muted);margin:1.1rem 0 1.6rem;max-width:55ch}
.lead strong{color:var(--txt)}
.hero-btns{display:flex;gap:.9rem;flex-wrap:wrap}
.btn{display:inline-block;padding:.75rem 1.5rem;border-radius:10px;font-weight:600;
  font-family:'JetBrains Mono',monospace;font-size:.9rem;transition:.25s;cursor:pointer;border:1px solid transparent}
.btn-primary{background:var(--acc);color:#04120a}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 26px var(--glow)}
.btn-ghost{border-color:var(--line);color:var(--txt)}
.btn-ghost:hover{border-color:var(--acc);color:var(--acc)}
.hero-stats{display:flex;gap:2.2rem;margin-top:2.2rem;flex-wrap:wrap}
.hero-stats div{font-family:'JetBrains Mono',monospace}
.hero-stats .num{font-size:1.9rem;font-weight:700;color:var(--acc)}
.hero-stats small{display:block;color:var(--muted);font-size:.75rem;letter-spacing:.5px}

/* TERMINAL */
.hero-term,.contact-term{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.term-bar{display:flex;align-items:center;gap:.4rem;padding:.7rem 1rem;background:var(--bg2);
  border-bottom:1px solid var(--line)}
.dot{width:11px;height:11px;border-radius:50%}
.dot.r{background:#ff5f57}.dot.y{background:#febc2e}.dot.g{background:#28c840}
.term-title{margin-left:auto;font-family:'JetBrains Mono',monospace;font-size:.75rem;color:var(--muted)}
.term-body,.contact-term pre{padding:1.25rem;font-family:'JetBrains Mono',monospace;font-size:.84rem;
  line-height:1.9;white-space:pre-wrap;overflow-x:auto}
.c-dim{color:var(--muted)} .c-out{color:var(--txt)} .c-ok{color:var(--acc)}
a.mail{color:var(--acc2);border-bottom:1px dashed var(--acc2)}
a.mail:hover{color:var(--acc);border-color:var(--acc)}
.scroll-down{display:block;text-align:center;margin-top:3rem;color:var(--muted);
  font-family:'JetBrains Mono',monospace;font-size:.8rem;animation:bob 2s infinite}
@keyframes bob{50%{transform:translateY(7px)}}

/* SECTIONS */
.section{padding:5rem 0}
.section.alt{background:var(--bg2);border-block:1px solid var(--line)}
.sec-title{font-family:'JetBrains Mono',monospace;font-size:clamp(1.4rem,3vw,2rem);margin-bottom:.4rem}
.sec-title .hash{color:var(--acc)}
.sec-sub{color:var(--muted);margin-bottom:2.2rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;transition:.3s}
.card:hover{border-color:var(--acc);transform:translateY(-4px);box-shadow:0 14px 34px var(--glow)}
.card h3{font-size:1.05rem;margin-bottom:.7rem;color:var(--txt);line-height:1.45}

.about-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:1.6rem;margin-top:1.5rem}
.about-card p{color:var(--muted);margin-bottom:1rem}
.about-card strong{color:var(--acc)}
blockquote{border-left:3px solid var(--acc);padding-left:1rem;color:var(--txt);font-style:italic;margin-top:1rem}
.facts{list-style:none;font-family:'JetBrains Mono',monospace;font-size:.85rem}
.facts li{display:flex;justify-content:space-between;gap:1rem;padding:.6rem 0;border-bottom:1px dashed var(--line)}
.facts li:last-child{border:none}
.facts span{color:var(--muted)} .facts b.ok{color:var(--acc)}

.stack-grid,.proj-grid,.cert-grid{display:grid;gap:1.4rem}
.stack-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.proj-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.cert-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.tags{display:flex;flex-wrap:wrap;gap:.5rem}
.tags span{font-family:'JetBrains Mono',monospace;font-size:.73rem;padding:.3rem .65rem;
  border:1px solid var(--line);border-radius:6px;color:var(--muted);background:var(--bg2);transition:.2s}
.tags span:hover{color:var(--acc);border-color:var(--acc)}
.proj p,.cert p{color:var(--muted);font-size:.93rem;margin-bottom:1rem}
.proj-ico{font-size:1.7rem;margin-bottom:.5rem}

/* PROJECT CARD + LINK */
.proj{display:flex;flex-direction:column}
.proj .tags{margin-bottom:1.1rem}
.proj-link{margin-top:auto;align-self:flex-start;display:inline-flex;align-items:center;gap:.4rem;
  font-family:'JetBrains Mono',monospace;font-size:.78rem;color:var(--acc);cursor:pointer;
  border:1px solid var(--acc);border-radius:8px;padding:.42rem .85rem;transition:.25s}
.proj-link:hover{background:var(--acc);color:#04120a}
.proj-link .arrow{transition:transform .25s}
.proj-link:hover .arrow{transform:translate(2px,-2px)}
/* href="#" -> tampil redup, tidak bisa diklik */
.proj-link.is-placeholder{color:var(--muted);border-color:var(--line);
  border-style:dashed;cursor:not-allowed;opacity:.65}
.proj-link.is-placeholder:hover{background:transparent;color:var(--muted)}
.proj-link.is-placeholder:hover .arrow{transform:none}

.cert-link{font-family:'JetBrains Mono',monospace;font-size:.8rem;color:var(--acc);cursor:pointer;
  border:1px solid var(--acc);border-radius:8px;padding:.4rem .8rem;display:inline-block;transition:.25s}
.cert-link:hover{background:var(--acc);color:#04120a}

/* TIMELINE */
.timeline{position:relative;margin-top:1.8rem;padding-left:2rem}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(var(--acc),transparent)}
.tl-item{position:relative;margin-bottom:1.3rem}
.tl-dot{position:absolute;left:-2rem;top:1.4rem;width:16px;height:16px;border-radius:50%;
  background:var(--bg);border:3px solid var(--acc);box-shadow:0 0 12px var(--glow)}
.tl-date{font-family:'JetBrains Mono',monospace;font-size:.75rem;color:var(--acc);letter-spacing:1px}
.tl-org{font-size:.88rem;font-weight:500;color:var(--acc2);margin:-.3rem 0 .8rem}
.tl-list{list-style:none;display:grid;gap:.35rem}
.tl-list li{position:relative;padding-left:1.15rem;color:var(--muted);font-size:.92rem}
.tl-list li::before{content:"▸";position:absolute;left:0;color:var(--acc)}

/* CONTACT */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem;margin-top:1.5rem}
.contact-form{display:flex;flex-direction:column;gap:.9rem}
.contact-form label{font-family:'JetBrains Mono',monospace;font-size:.8rem;color:var(--muted);
  display:flex;flex-direction:column;gap:.4rem}
input,textarea{background:var(--bg2);border:1px solid var(--line);border-radius:9px;padding:.75rem;
  color:var(--txt);font-family:'Inter',sans-serif;font-size:.92rem;outline:none;resize:vertical}
input:focus,textarea:focus{border-color:var(--acc);box-shadow:0 0 0 3px var(--glow)}
.form-note{font-family:'JetBrains Mono',monospace;font-size:.8rem;color:var(--acc);min-height:1.2rem}

footer{border-top:1px solid var(--line);padding:2rem 0;text-align:center;background:var(--bg2)}
.foot p{font-family:'JetBrains Mono',monospace;font-size:.82rem}
.muted{color:var(--muted)}
#toTop{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;
  display:none;place-items:center;background:var(--acc);color:#04120a;font-weight:700;z-index:60}
#toTop.show{display:grid}

.reveal{opacity:0;transform:translateY(26px);transition:.7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .scroll-down,.caret{animation:none}
}

@media(max-width:1050px){
  .nav-links{gap:.9rem;font-size:.82rem}
}
@media(max-width:900px){
  .hero-grid,.about-grid,.contact-wrap{grid-template-columns:1fr}
  #burger{display:block}
  .nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:1rem;
    background:var(--bg2);border-bottom:1px solid var(--line);padding:1.2rem;display:none}
  .nav-links.open{display:flex}
}