/* Ferdiansah Yusuf — Tour Leader portfolio
   Monochrome (white/black) · JOST · z.cash lattice grid · gradient photo cells */
:root{
  --paper:#ffffff;
  --ink:#0a0a0a;
  --line:#000000;
  --soft:#5a5a5a;
  --faint:#9a9a9a;
  --maxw:1280px;
  --sans:"Jost",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);line-height:1.55;-webkit-font-smoothing:antialiased}

/* TOPBAR */
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;
  padding:14px clamp(16px,4vw,40px);background:var(--paper);border-bottom:1px solid var(--line)}
.tb-name{font-weight:600;letter-spacing:.16em;text-transform:uppercase;font-size:.82rem}
.tb-nav{display:flex;align-items:center;gap:18px}
.tb-role{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--soft)}
.tb-cv{font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;text-decoration:none;color:var(--ink);
  border:1.5px solid var(--ink);padding:7px 14px;transition:.2s}
.tb-cv:hover{background:var(--ink);color:var(--paper)}

/* LATTICE GRID */
.grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);
  grid-auto-rows:minmax(150px,auto);grid-auto-flow:dense;
  border-left:1px solid var(--line);border-top:1px solid var(--line)}
.cell{border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:22px;display:flex;flex-direction:column;justify-content:flex-start;position:relative;overflow:hidden}
.s2{grid-column:span 2}
.r2{grid-row:span 2}

/* INTRO */
.intro{justify-content:space-between}
.eyebrow{font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--soft)}
.name{font-weight:700;font-size:clamp(2.4rem,5.2vw,4.4rem);line-height:.96;letter-spacing:-.01em;margin:18px 0}
.intro__sub{font-size:.98rem;color:var(--ink);max-width:42ch;font-weight:400}

/* STAT */
.stat{justify-content:center;align-items:flex-start}
.stat b{font-weight:600;font-size:clamp(2rem,4vw,3rem);line-height:1}
.stat span{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--soft);margin-top:6px}

/* card title (z.cash tag) */
.c-title{display:inline-block;align-self:flex-start;font-size:.66rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  border:1px solid var(--line);padding:3px 9px;margin-bottom:14px;color:var(--ink)}

/* PROSE */
.prose p{font-size:.92rem}
.prose .note{color:var(--soft);font-size:.84rem;margin-top:10px}

/* EXPERIENCE */
.exp h3{font-weight:600;font-size:1.08rem;line-height:1.2;letter-spacing:-.01em}
.exp .org{font-size:.82rem;color:var(--soft);margin-top:3px;font-weight:500}
.exp .note{font-size:.86rem;color:var(--soft);margin-top:10px}
.bul{list-style:none;margin-top:12px;display:grid;gap:7px}
.bul li{position:relative;padding-left:16px;font-size:.88rem;line-height:1.4}
.bul li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;background:var(--ink)}

/* YEARS */
.years{list-style:none;display:grid;gap:8px}
.years li{font-size:.86rem;line-height:1.35;padding-bottom:8px;border-bottom:1px solid #ececec}
.years li:last-child{border-bottom:none;padding-bottom:0}
.years b{display:inline-block;min-width:74px;font-weight:600;letter-spacing:.03em}

/* CHIPS */
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:7px;margin-bottom:4px}
.chips li{border:1px solid var(--line);padding:4px 10px;font-size:.76rem;font-weight:400}
.langline{font-size:.86rem;margin-top:12px}
.langline b{font-weight:600}

/* CONTACT */
.clist{list-style:none;display:grid;gap:10px;margin-top:2px}
.clist li{display:grid;grid-template-columns:110px 1fr;gap:12px;align-items:baseline;padding-bottom:9px;border-bottom:1px solid #ececec}
.clist li:last-child{border-bottom:none}
.clist span{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--soft)}
.clist a{font-size:1rem;font-weight:500;color:var(--ink);text-decoration:none;word-break:break-word}
.clist a:hover{text-decoration:underline}

/* PHOTO CELLS — grayscale + gradient */
.photo{padding:0;cursor:pointer;min-height:150px;background:var(--ink)}
.photo .ph{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:14px;
  font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:#cfcfcf;
  background:linear-gradient(135deg,#1a1a1a 0%,#000 100%)}
.photo img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.05);display:block}
.photo::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(0,0,0,0) 35%,rgba(0,0,0,.72) 100%)}
.photo figcaption{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:12px 16px;
  color:#fff;font-size:.82rem;font-weight:500;letter-spacing:.02em}
.photo:hover img{filter:grayscale(1) contrast(1.1) brightness(1.08)}
/* AURORA = color accent in the monochrome grid */
.photo.color img{filter:none}
.photo.color:hover img{filter:contrast(1.06) brightness(1.05)}
.photo.color::after{background:linear-gradient(180deg,rgba(0,0,0,0) 50%,rgba(0,0,0,.55) 100%)}

/* GALLERY SECTION (z.cash lattice) */
.gallery-wrap{max-width:var(--maxw);margin:0 auto;border-left:1px solid var(--line);border-right:1px solid var(--line)}
.gallery-head{padding:34px clamp(16px,4vw,40px);border-bottom:1px solid var(--line)}
.gallery-head .c-title{margin-bottom:14px}
.gh-title{font-weight:700;font-size:clamp(1.8rem,4vw,3rem);line-height:1.02;letter-spacing:-.01em}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.gphoto{position:relative;aspect-ratio:1/1;overflow:hidden;cursor:pointer;background:#000;
  border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.gphoto img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.05);transition:filter .25s,transform .4s}
.gphoto.color img{filter:none}
.gphoto:hover img{transform:scale(1.04)}
.gphoto::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(0,0,0,0) 55%,rgba(0,0,0,.7) 100%)}
.gphoto.color::after{background:linear-gradient(180deg,rgba(0,0,0,0) 60%,rgba(0,0,0,.5) 100%)}
.gphoto figcaption{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:10px 12px;color:#fff;font-size:.76rem;font-weight:500;
  opacity:0;transition:opacity .25s}
.gphoto:hover figcaption{opacity:1}

/* MARQUEE — two rows, opposite directions */
.marquee{border-top:1px solid var(--line);display:flex;flex-direction:column}
.mq-row{overflow:hidden;border-bottom:1px solid var(--line)}
.mq-track{display:flex;width:max-content;animation:mq-left 70s linear infinite}
.mq-track.rev{animation:mq-right 70s linear infinite}
.marquee:hover .mq-track{animation-play-state:paused}
@keyframes mq-left{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes mq-right{from{transform:translateX(-50%)}to{transform:translateX(0)}}
.mq-item{position:relative;height:210px;flex:0 0 auto;overflow:hidden;cursor:pointer;border-right:1px solid var(--line);background:#000}
.mq-item img{height:100%;width:auto;display:block;filter:grayscale(1) contrast(1.05)}
.mq-item.color img{filter:none}
.mq-item::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(0,0,0,0) 55%,rgba(0,0,0,.7) 100%)}
.mq-item.color::after{background:linear-gradient(180deg,rgba(0,0,0,0) 60%,rgba(0,0,0,.45) 100%)}
.mq-item figcaption{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:8px 12px;color:#fff;font-size:.74rem;font-weight:500;opacity:0;transition:opacity .25s}
.mq-item:hover figcaption{opacity:1}
@media (prefers-reduced-motion:reduce){ .mq-track{animation:none} }
@media (max-width:560px){ .mq-item{height:150px} }

/* FOOTER */
.foot{max-width:var(--maxw);margin:0 auto;display:flex;justify-content:space-between;
  padding:18px clamp(16px,4vw,40px);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--soft)}

/* LIGHTBOX */
.lightbox{position:fixed;inset:0;z-index:90;display:none;place-items:center;padding:5vw;background:rgba(0,0,0,.94)}
.lightbox.open{display:grid}
.lb-close{position:absolute;top:14px;right:22px;font-size:2.4rem;line-height:1;color:#fff;background:none;border:none;cursor:pointer}
.lb-content{text-align:center;max-width:900px;width:100%}
.lb-img{aspect-ratio:4/3;background:#000 center/contain no-repeat;display:grid;place-items:center;color:#888}
.lb-content p{color:#fff;margin-top:14px;font-size:1rem;letter-spacing:.04em;text-transform:uppercase}

/* REVEAL */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}html{scroll-behavior:auto}}

/* RESPONSIVE */
@media (max-width:880px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .s2{grid-column:span 2}
}
@media (max-width:880px){ .gallery{grid-template-columns:repeat(3,1fr)} }
@media (max-width:560px){
  .grid{grid-template-columns:1fr}
  .s2,.r2{grid-column:auto;grid-row:auto}
  .name{font-size:3rem}
  .gallery{grid-template-columns:repeat(2,1fr)}
}