:root{
  --bg:#0E1220; --bg2:#131829; --surface:#1A2036; --text:#ECEAF2; --muted:#9BA0B6;
  --accent:#F2A33A; --accent-ink:#1A1204; --border:rgba(236,234,242,.12); --hover:rgba(236,234,242,.06);
  --font-head:"Space Grotesk",system-ui,sans-serif; --font-body:"Inter",system-ui,sans-serif;
  --fs-hero:clamp(2.75rem,8vw,7rem); --fs-h2:clamp(1.9rem,4.2vw,3.4rem); --fs-big:clamp(1.15rem,1.8vw,1.5rem);
  --s:8px; --w:1200px; --r:6px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--text);font:400 1rem/1.65 var(--font-body);overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.wrap{width:min(var(--w),100% - 2.5rem);margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:var(--accent-ink);padding:8px 14px;z-index:200}
.skip:focus{left:8px}
.muted{color:var(--muted)}
.progress{position:fixed;inset:0 0 auto 0;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:0 50%;z-index:120}

/* preloader */
.preloader{position:fixed;inset:0;background:var(--bg);z-index:150;display:grid;place-content:center;gap:16px;text-align:center}
.pre-mark{font:700 clamp(3rem,10vw,6rem)/1 var(--font-head);letter-spacing:-.04em}
.pre-count{font:500 1rem var(--font-head);color:var(--muted)}
.pre-bar{width:220px;height:2px;background:var(--border);margin-inline:auto}
.pre-bar i{display:block;height:100%;background:var(--accent);width:0}
.js-ready .preloader{display:none}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:16px max(1.25rem,calc((100% - var(--w))/2));transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(14,18,32,.88);backdrop-filter:blur(10px);border-color:var(--border)}
.brand{font:700 1.15rem var(--font-head);text-decoration:none;letter-spacing:-.01em}
.menu{display:flex;align-items:center;gap:28px}
.menu a:not(.btn){text-decoration:none;color:var(--muted);position:relative;padding:4px 0;font-size:.95rem}
.menu a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:0 50%;transition:transform .3s}
.menu a:not(.btn):hover,.menu a.active{color:var(--text)}
.menu a:not(.btn):hover::after,.menu a.active::after{transform:scaleX(1)}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;position:relative}
.burger span{position:absolute;left:10px;right:10px;height:2px;background:var(--text);transition:transform .3s,top .3s}
.burger span:first-child{top:18px}.burger span:last-child{top:25px}
.burger[aria-expanded=true] span:first-child{top:21px;transform:rotate(45deg)}
.burger[aria-expanded=true] span:last-child{top:21px;transform:rotate(-45deg)}

/* buttons */
.btn{display:inline-block;font:500 .95rem var(--font-head);padding:13px 24px;border-radius:var(--r);text-decoration:none;border:1px solid var(--border);cursor:pointer;transition:background .25s,color .25s,border-color .25s,transform .25s}
.btn-solid{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn-solid:hover{background:var(--text);border-color:var(--text)}
.btn-line:hover{border-color:var(--accent);color:var(--accent)}
button.btn:disabled{opacity:.6;cursor:wait}

/* hero */
.hero{min-height:100svh;display:grid;align-items:center;padding:120px 0 80px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:clamp(2rem,5vw,5rem);align-items:center}
.pill{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--border);padding:6px 14px;border-radius:99px;font-size:.88rem;color:var(--muted);margin-bottom:24px}
.pill i{width:8px;height:8px;border-radius:50%;background:#4ADE80}
.role{color:var(--accent);font:500 1rem var(--font-head);margin-bottom:16px}
h1{font:700 var(--fs-hero)/.98 var(--font-head);letter-spacing:-.045em;max-width:12ch}
.word{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em;margin-bottom:-.08em}
.word>span{display:inline-block}
.lead{font-size:var(--fs-big);color:var(--muted);max-width:46ch;margin:28px 0 36px;line-height:1.5}
.actions{display:flex;flex-wrap:wrap;gap:14px}
.portrait{margin:0;aspect-ratio:4/5;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);overflow:hidden;position:relative;display:grid;place-items:center}
.portrait img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.portrait-ph{font:700 clamp(4rem,10vw,8rem) var(--font-head);color:var(--border);letter-spacing:-.05em}
.scroll-cue{position:absolute;left:50%;bottom:24px;translate:-50% 0;font-size:.85rem;color:var(--muted);text-decoration:none}
.scroll-cue::after{content:"";display:block;width:1px;height:36px;background:var(--accent);margin:8px auto 0}

/* sections */
.sec{padding:clamp(72px,11vw,150px) 0}
.sec.alt{background:var(--bg2)}
.h2{font:700 var(--fs-h2)/1.05 var(--font-head);letter-spacing:-.03em;max-width:16ch}
.two{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(2rem,6vw,6rem);align-items:start}
.big{font-size:var(--fs-big);line-height:1.55;max-width:56ch;margin-bottom:20px}
.row-between{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:end;margin-bottom:48px}

.services{display:grid;grid-template-columns:repeat(3,1fr);margin-top:56px;border-top:1px solid var(--border);border-left:1px solid var(--border)}
.services li{padding:32px 28px 36px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);transition:background .3s}
.services li:hover{background:var(--hover)}
.services h3{font:500 1.3rem var(--font-head);margin-bottom:10px}
.services p{color:var(--muted)}

.skills{display:grid;gap:36px;margin-top:56px}
.skill-group h3{font:500 1rem var(--font-head);color:var(--muted);margin-bottom:14px}
.chips{display:flex;flex-wrap:wrap;gap:12px}
.chip{border:1px solid var(--border);padding:12px 22px;border-radius:99px;font:500 1.1rem var(--font-head);transition:border-color .25s,transform .25s,color .25s}
.chip:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-3px)}
.chip small{display:block;font:400 .8rem var(--font-body);color:var(--muted)}

.filters{display:flex;flex-wrap:wrap;gap:8px}
.filters button{background:none;color:var(--muted);border:1px solid var(--border);padding:8px 16px;border-radius:99px;cursor:pointer;font:500 .88rem var(--font-head);transition:.25s}
.filters button:hover{color:var(--text)}
.filters button[aria-pressed=true]{background:var(--text);color:var(--bg);border-color:var(--text)}
.projects{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(24px,3vw,48px)}
.card{display:block;text-decoration:none;perspective:900px}
.card-img{aspect-ratio:16/10;background:var(--surface);overflow:hidden;border:1px solid var(--border);border-radius:var(--r);position:relative}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.card:hover .card-img img{transform:scale(1.06)}
.card-img .view{position:absolute;right:16px;bottom:16px;background:var(--accent);color:var(--accent-ink);padding:8px 16px;border-radius:99px;font:500 .85rem var(--font-head);opacity:0;transform:translateY(8px);transition:.3s}
.card:hover .view,.card:focus-visible .view{opacity:1;transform:none}
.card-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:.88rem;margin:16px 0 6px}
.card h3{font:500 1.5rem var(--font-head);letter-spacing:-.01em}
.card p{color:var(--muted);margin:6px 0 12px}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags li{font-size:.8rem;border:1px solid var(--border);padding:2px 10px;border-radius:99px;color:var(--muted)}
.empty{grid-column:1/-1;border:1px dashed var(--border);border-radius:var(--r);padding:64px 24px;text-align:center}
.empty h3{font:500 1.4rem var(--font-head);margin-bottom:8px}

.timeline{border-left:1px solid var(--border);padding-left:32px;display:grid;gap:36px;position:relative}
.timeline li{position:relative}
.timeline li::before{content:"";position:absolute;left:-37px;top:10px;width:9px;height:9px;border-radius:50%;background:var(--accent)}
.timeline h3{font:500 1.6rem var(--font-head)}
.timeline .when{color:var(--muted)}

.mail{font:700 clamp(1.3rem,3vw,2rem) var(--font-head);text-decoration:none;border-bottom:2px solid var(--accent)}
.copy{margin-left:14px;background:none;border:1px solid var(--border);color:var(--muted);border-radius:99px;padding:6px 14px;cursor:pointer}
.copy:hover{color:var(--text)}
form{display:grid;gap:18px}
.field{display:grid;gap:6px}
label{font-size:.9rem;color:var(--muted)}
input,textarea{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--r);padding:13px 14px;font:inherit;width:100%}
input:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
.field.invalid input,.field.invalid textarea{border-color:#F87171}
.hp{position:absolute;left:-9999px}
.form-msg{min-height:1.5em;font-size:.95rem}.form-msg.ok{color:#4ADE80}.form-msg.err{color:#F87171}

.footer{border-top:1px solid var(--border);padding:64px 0 32px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:32px}
.foot-links{display:grid;gap:8px;align-content:start}
.foot-links a{color:var(--muted);text-decoration:none}.foot-links a:hover{color:var(--accent)}
.foot-bottom{display:flex;justify-content:space-between;margin-top:48px;color:var(--muted);font-size:.9rem}

/* project detail */
.detail{padding:130px 0 80px}
.detail h1{max-width:none;font-size:clamp(2.2rem,6vw,4.5rem)}
.detail .hero-img{margin:40px 0;border:1px solid var(--border);border-radius:var(--r)}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:40px 0}
.gallery img{border:1px solid var(--border);border-radius:var(--r);width:100%}
.prose{max-width:68ch;white-space:pre-line}

/* responsive */
@media (max-width:900px){
  .hero-grid,.two,.foot-grid{grid-template-columns:1fr}
  .portrait{max-width:340px;aspect-ratio:1}
  .services{grid-template-columns:1fr 1fr}
  .projects,.gallery{grid-template-columns:1fr}
  .burger{display:block}
  .menu{position:fixed;inset:0;background:var(--bg);flex-direction:column;justify-content:center;gap:22px;transform:translateY(-100%);visibility:hidden;transition:transform .5s cubic-bezier(.7,0,.2,1),visibility 0s .5s;z-index:-1}
  .menu a:not(.btn){font:700 2rem var(--font-head);color:var(--text)}
  .nav.open .menu{transform:none;visibility:visible;transition:transform .5s cubic-bezier(.7,0,.2,1)}
  .nav.open{background:transparent}
}
@media (max-width:560px){.services{grid-template-columns:1fr}.foot-bottom{flex-direction:column;gap:8px}}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition-duration:.01ms!important;animation-duration:.01ms!important}
}