/* ========== Tokens ========== */
:root,[data-theme="dark"]{
  --petrol:#0f2230;      /* dasar: biru petrol */
  --petrol-2:#132b3c;    /* permukaan */
  --petrol-3:#1a3649;    /* permukaan naik */
  --line:rgba(232,226,214,.10);
  --line-2:rgba(232,226,214,.18);
  --sand:#ece5d8;        /* teks utama */
  --mist:#93a6b3;        /* teks sekunder */
  --crude:#f2a93b;       /* aksen amber */
  --crude-deep:#c9740a;
  --teal:#5cc8b8;
  --live:#52d39a;
  --shadow:0 30px 80px -30px rgba(3,10,16,.75);
  --bg:var(--petrol);
}
[data-theme="light"]{
  --petrol:#eef1f3; --petrol-2:#ffffff; --petrol-3:#f4f6f8;
  --line:rgba(16,32,43,.10); --line-2:rgba(16,32,43,.18);
  --sand:#10202b; --mist:#55697a; --crude:#d98712; --crude-deep:#a65d00; --teal:#16867a; --live:#1f9d6a;
  --shadow:0 30px 70px -36px rgba(16,32,43,.35);
  --bg:var(--petrol);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{background:var(--bg);color:var(--sand);font:400 16px/1.65 Figtree,system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background .3s,color .3s;font-feature-settings:"tnum" 0}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(70% 55% at 85% -5%,rgba(242,169,59,.10),transparent 60%),radial-gradient(60% 50% at -10% 30%,rgba(92,200,184,.07),transparent 60%)}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}
:focus-visible{outline:2px solid var(--crude);outline-offset:3px;border-radius:8px}
h1,h2,h3{font-family:"Bricolage Grotesque",Figtree,sans-serif;font-weight:700;letter-spacing:-.025em;line-height:1.05}
.muted{color:var(--mist)}
.wrap{max-width:1200px;margin:0 auto;padding:0 clamp(16px,4vw,40px)}

/* ========== Nav ========== */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(16px) saturate(1.3);-webkit-backdrop-filter:blur(16px) saturate(1.3);
  background:color-mix(in srgb,var(--bg) 78%,transparent);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1200px;margin:0 auto;padding:14px clamp(16px,4vw,40px);display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:28px;height:28px;border-radius:9px;background:var(--petrol-3);border:1px solid var(--line-2);display:grid;place-items:center}
.logo-mark i{width:6px;height:16px;border-radius:3px;background:var(--crude)}
.logo-word{font:700 18px "Bricolage Grotesque",sans-serif;letter-spacing:-.02em}
.links{display:flex;gap:6px;margin-left:auto}
.links a{padding:7px 14px;border-radius:999px;font-size:14.5px;color:var(--mist);transition:color .2s,background .2s}
.links a:hover{color:var(--sand);background:var(--petrol-3)}
.controls{display:flex;align-items:center;gap:8px}
.lang{display:flex;padding:3px;border-radius:999px;border:1px solid var(--line)}
.lang button{padding:4px 11px;border-radius:999px;font-size:12.5px;font-weight:600;color:var(--mist)}
.lang button.on{background:var(--sand);color:var(--bg)}
.icon-btn{width:36px;height:36px;border-radius:999px;border:1px solid var(--line);display:grid;place-items:center}
.icon-btn svg{width:17px;height:17px}
[data-theme="dark"] .sun,[data-theme="light"] .moon{display:none}

/* ========== Hero ========== */
.hero-wrap{padding-top:clamp(20px,4vw,40px)}
.hero{position:relative;display:grid;grid-template-columns:1.25fr .75fr;grid-template-areas:"copy visual" "meta meta";
  border-radius:32px;border:1px solid var(--line);overflow:hidden;
  background:linear-gradient(160deg,var(--petrol-2) 0%,color-mix(in srgb,var(--petrol-2) 60%,var(--petrol)) 100%);box-shadow:var(--shadow)}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  background:radial-gradient(500px circle at var(--mx,80%) var(--my,20%),rgba(242,169,59,.08),transparent 60%)}
.hero-copy{grid-area:copy;padding:clamp(28px,5vw,64px);display:flex;flex-direction:column;justify-content:center;position:relative;z-index:1}
.status{display:inline-flex;align-items:center;gap:9px;align-self:flex-start;font-size:13.5px;color:var(--mist);
  padding:6px 14px 6px 10px;border-radius:999px;background:color-mix(in srgb,var(--live) 10%,transparent);border:1px solid color-mix(in srgb,var(--live) 25%,transparent)}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--live);box-shadow:0 0 0 0 var(--live);animation:pulse 2.2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px transparent}100%{box-shadow:0 0 0 0 transparent}}
.hello{margin-top:clamp(26px,4vw,40px);font:500 clamp(20px,2.4vw,28px)/1 "Bricolage Grotesque",sans-serif;color:var(--mist);letter-spacing:-.01em}
.name{font-family:Figtree,system-ui,sans-serif;font-size:clamp(56px,8.2vw,108px);font-weight:700;letter-spacing:-.035em;line-height:1;margin:8px 0 0 -.03em}
.role{margin-top:clamp(18px,2.4vw,26px);font:600 clamp(17px,1.7vw,20px)/1.35 "Bricolage Grotesque",sans-serif;max-width:30ch;letter-spacing:-.01em}
.role span{display:block}
.role .r3{margin-top:4px;font:500 16px/1.4 Figtree,sans-serif;color:var(--mist);letter-spacing:0}
.lead{margin-top:14px;color:var(--mist);max-width:46ch;font-size:16.5px}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border-radius:999px;font-weight:600;font-size:15px;transition:transform .2s,background .2s,border-color .2s,color .2s}
.btn.primary{background:var(--crude);color:#1c1204}
.btn.primary:hover{transform:translateY(-2px);background:#ffbb52}
.btn.ghost{border:1px solid var(--line-2)}
.btn.ghost:hover{border-color:var(--sand)}

/* nama: formal, solid, tanpa efek */
.name3d{display:inline-block;color:var(--sand)}
.name3d::after{content:"";display:block;width:100%;height:4px;border-radius:2px;background:var(--crude);margin-top:clamp(12px,1.4vw,18px)}

/* visual: skala kedalaman + kapsul wellbore */
.hero-visual{grid-area:visual;position:relative;display:flex;align-items:center;justify-content:center;gap:18px;padding:clamp(28px,4vw,56px);z-index:1}
.bore{position:relative;width:min(100%,300px);aspect-ratio:3/4.4;border-radius:999px;overflow:hidden;flex-shrink:0;
  border:1px solid var(--line-2);box-shadow:0 0 0 8px color-mix(in srgb,var(--petrol-3) 70%,transparent),0 0 0 9px var(--line),0 40px 60px -30px rgba(0,0,0,.6);
  transform:perspective(900px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .4s ease-out;
  background:radial-gradient(70% 45% at 50% 30%,rgba(242,169,59,.38),transparent 70%),linear-gradient(180deg,#24465c 0%,#16303f 100%)}
[data-theme="light"] .bore{background:radial-gradient(70% 45% at 50% 30%,rgba(242,169,59,.35),transparent 70%),linear-gradient(180deg,#dfe7ec 0%,#c9d6de 100%)}
.bore img{position:absolute;left:0;right:0;bottom:0;width:100%;height:92%;object-fit:cover;object-position:50% top;
  transform:translate(var(--px,0),var(--py,0)) scale(1.04);transform-origin:bottom center;transition:transform .4s ease-out}
.bore::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(90deg,rgba(255,255,255,.14),transparent 22%,transparent 78%,rgba(0,0,0,.18)),linear-gradient(to top,rgba(10,20,28,.35),transparent 25%)}
.bore figcaption{position:absolute;left:0;right:0;bottom:12%;z-index:1;text-align:center;padding:0 18%;font-size:12.5px;line-height:1.35;color:#f3ece0;font-weight:500}

/* meta bawah hero */
.hero-meta{grid-area:meta;display:grid;grid-template-columns:1fr 1fr 1fr 1.6fr;border-top:1px solid var(--line);position:relative;z-index:1}
.hero-meta>div{padding:20px clamp(20px,3vw,32px)}
.hero-meta>div+div{border-left:1px solid var(--line)}
.hero-meta dt{font-size:13px;color:var(--mist);margin-bottom:2px}
.hero-meta dd{font:600 17px "Bricolage Grotesque",sans-serif;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.hero-meta dd .muted{font:500 14px Figtree,sans-serif;margin-left:4px}

/* strip tech stack */
.stack-strip{margin-top:22px;overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.track{display:flex;gap:34px;width:max-content;animation:scroll 45s linear infinite}
.track span{font:600 15px "Bricolage Grotesque",sans-serif;color:var(--mist);white-space:nowrap;letter-spacing:-.01em;display:flex;align-items:center;gap:34px}
.track span::after{content:"";width:5px;height:5px;border-radius:50%;background:var(--line-2)}
@keyframes scroll{to{transform:translateX(-50%)}}

/* load sequence (satu kali, di hero) */
.load{opacity:0;transform:translateY(14px);animation:rise .9s cubic-bezier(.2,.8,.2,1) forwards;animation-delay:calc(var(--d) * 90ms + 100ms)}
@keyframes rise{to{opacity:1;transform:none}}

/* ========== Sections ========== */
.section{padding-top:clamp(80px,10vw,128px)}
h2{font-size:clamp(34px,4.6vw,54px)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.filters{display:flex;gap:6px;flex-wrap:wrap}
.filters button{padding:8px 16px;border-radius:999px;font-size:14px;font-weight:500;color:var(--mist);border:1px solid var(--line);transition:.2s}
.filters button:hover{color:var(--sand);border-color:var(--line-2)}
.filters button.on{background:var(--sand);color:var(--bg);border-color:var(--sand)}

/* proyek */
.projects{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.proj{position:relative;grid-column:span 2;display:flex;flex-direction:column;border-radius:24px;overflow:hidden;
  background:var(--petrol-2);border:1px solid var(--line);transition:border-color .3s,box-shadow .4s}
.proj:hover{border-color:var(--line-2);box-shadow:var(--shadow)}
.proj.featured{grid-column:span 6;display:grid;grid-template-columns:1.5fr 1fr;border-radius:28px}
.proj.wide{grid-column:span 3}
.proj.off{opacity:.6;pointer-events:none}
.media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--petrol-3)}
.proj.featured .media{aspect-ratio:auto;min-height:380px}
.media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:top center;transition:transform .8s cubic-bezier(.2,.8,.2,1)}
.proj:hover .media img{transform:scale(1.035)}
.art{position:absolute;inset:0;display:grid;place-items:center;color:var(--mist)}
.art svg{width:64px;height:64px}
.chip{position:absolute;top:14px;left:14px;z-index:2;display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;
  padding:5px 11px;border-radius:999px;background:rgba(10,20,28,.62);color:#f3ece0;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.chip i{width:7px;height:7px;border-radius:50%;background:var(--live)}
.chip.st-beta i{background:#7fb2ff}.chip.st-soon i{background:var(--mist)}
.body{display:flex;flex-direction:column;padding:22px 24px 24px;flex:1}
.proj.featured .body{padding:clamp(28px,4vw,48px);justify-content:center}
.cat{font-size:13.5px;color:var(--teal);font-weight:600}
.proj h3{font-size:24px;margin-top:6px;display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.proj.featured h3{font-size:clamp(32px,3.6vw,44px)}
.go{flex-shrink:0;width:36px;height:36px;border-radius:50%;border:1px solid var(--line-2);display:grid;place-items:center;transition:background .25s,color .25s,transform .25s}
.go svg{width:16px;height:16px}
.proj:hover .go{background:var(--crude);color:#1c1204;border-color:var(--crude);transform:rotate(-8deg)}
.body p{color:var(--mist);margin-top:10px;font-size:15.5px;flex:1;max-width:52ch}
.proj.featured .body p{font-size:17px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px}
.tags span{font-size:12.5px;font-weight:500;padding:4px 11px;border-radius:999px;border:1px solid var(--line);color:var(--mist)}
.host{margin-top:16px;font-size:13px;color:var(--mist)}
.empty{grid-column:1/-1;color:var(--mist)}

/* 3D tilt untuk kartu proyek */
.proj.tilting{transition:transform .08s linear,border-color .3s,box-shadow .4s}

/* experience: timeline seperti log sumur */
.exp{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(28px,5vw,72px);align-items:start}
.exp-intro{position:sticky;top:110px}
.exp-intro p{margin-top:16px;color:var(--mist);font-size:18px;max-width:36ch}
.timeline{list-style:none;position:relative}
.timeline li{position:relative;display:grid;grid-template-columns:150px 28px 1fr;align-items:start;padding:0 0 30px}
.timeline li::before{content:"";position:absolute;left:163px;top:12px;bottom:-12px;width:2px;background:var(--line-2)}
.timeline li:last-child::before{display:none}
.timeline .yr{font:600 17px "Bricolage Grotesque",sans-serif;font-variant-numeric:tabular-nums;letter-spacing:-.01em;padding-top:1px}
.timeline .yr-end{color:var(--mist);font-weight:500}
.node{position:relative;z-index:1;width:12px;height:12px;margin:7px auto 0;border-radius:50%;background:var(--bg);border:2px solid var(--mist)}
.timeline li.current .node{border-color:var(--crude);background:var(--crude);box-shadow:0 0 0 5px color-mix(in srgb,var(--crude) 22%,transparent)}
.job h3{font-size:20px;line-height:1.25;letter-spacing:-.015em}
.job p{color:var(--mist);margin-top:4px;font-size:15px}
.now{display:inline-block;margin-top:10px;font-size:12.5px;font-weight:600;color:var(--crude);padding:3px 10px;border-radius:999px;border:1px solid color-mix(in srgb,var(--crude) 45%,transparent)}
.certs{margin-top:clamp(40px,6vw,72px);padding-top:32px;border-top:1px solid var(--line)}
.certs h3{font-size:24px;margin-bottom:18px}
.cert-list{list-style:none;columns:2;column-gap:48px;column-rule:1px solid var(--line)}
.cert-list li{break-inside:avoid;display:grid;grid-template-columns:64px 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.cert-list .yr{font:600 16px "Bricolage Grotesque",sans-serif;color:var(--crude);font-variant-numeric:tabular-nums}
.cert-list strong{display:block;font-weight:600}
.cert-list em{display:block;font-style:normal;color:var(--mist);font-size:14px;margin-top:2px}

/* about */
.about{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,72px);align-items:start}
.about-text{font-size:clamp(18px,1.6vw,20px);line-height:1.7;max-width:58ch}
.skills{margin-top:36px;display:grid;gap:0;border-top:1px solid var(--line)}
.skills>div{display:grid;grid-template-columns:180px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
.skills dt{font:700 18px "Bricolage Grotesque",sans-serif;letter-spacing:-.01em}
.skills dd{color:var(--mist)}

/* contact */
.contact{border-radius:32px;padding:clamp(40px,7vw,88px) clamp(24px,6vw,72px);position:relative;overflow:hidden;
  background:radial-gradient(80% 120% at 100% 0%,rgba(242,169,59,.16),transparent 55%),var(--petrol-2);border:1px solid var(--line)}
.contact h2{max-width:16ch}
.contact .mail-line{margin-top:22px;font:600 clamp(22px,2.6vw,30px) "Bricolage Grotesque",sans-serif;letter-spacing:-.015em;color:var(--sand)}
.contact .mail-line a{border-bottom:2px solid var(--crude);padding-bottom:2px}
.contact .mail-line a:hover{color:var(--crude)}
.contact p{margin-top:14px;color:var(--mist);font-size:18px;max-width:48ch}

.footer{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:48px;padding-bottom:40px;font-size:14px;color:var(--mist)}

@media (prefers-reduced-motion:reduce){
  .load{animation:none;opacity:1;transform:none}.track,.pulse{animation:none}
  .bore{transition:none}
}

/* ========== Responsive ========== */
@media (max-width:1020px){
  .proj{grid-column:span 3}.proj.wide{grid-column:span 3}
  .proj.featured{grid-template-columns:1fr}.proj.featured .media{min-height:0;aspect-ratio:16/9}
  .about{grid-template-columns:1fr}
  .exp{grid-template-columns:1fr}.exp-intro{position:static}
}
@media (max-width:820px){
  .hero{grid-template-columns:1fr;grid-template-areas:"visual" "copy" "meta"}
  .hero-visual{padding:28px 28px 0}
  .bore{width:min(62vw,240px)}
  .hero-copy{padding-top:24px;text-align:left}
  .hero-meta{grid-template-columns:1fr 1fr}.hero-meta>div:nth-child(3){border-left:0;border-top:1px solid var(--line)}.hero-meta .wide{border-top:1px solid var(--line)}
}
@media (max-width:640px){
  .links{display:none}.controls{margin-left:auto}
  .projects{grid-template-columns:1fr}.proj,.proj.wide,.proj.featured{grid-column:auto}
  .skills>div{grid-template-columns:1fr;gap:4px}
  .timeline li{grid-template-columns:24px 1fr;grid-template-areas:"node yr" ". job";row-gap:4px}
  .timeline li::before{left:11px}
  .timeline .node{grid-area:node;margin-top:6px}.timeline .yr{grid-area:yr}.timeline .job{grid-area:job}
  .cert-list{columns:1}
  .hero{border-radius:24px}
}