/* Витрина Vladislav352: общий стиль страниц проектов и хаба.
   Палитра: стальной графит + один акцент синий→фиолетовый. Радиус один на всё: 12px. */
@font-face{font-family:"Golos Text";src:url("fonts/GolosText-VF.ttf") format("truetype");font-weight:400 900;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("fonts/JetBrainsMono-VF.ttf") format("truetype");font-weight:100 800;font-display:swap}

:root{
  --bg:#0e1116;--bg-2:#141a22;--bg-3:#1b2330;--line:#242d3a;--line-2:#303b4b;
  --text:#e8ecf2;--mut:#9aa6b8;--steel:#6b7788;
  --acc:#4d8dff;--acc-2:#8a63f7;--grad:linear-gradient(135deg,#4d8dff 0%,#8a63f7 100%);
  --shadow:0 24px 60px -24px rgba(77,141,255,.35);
  --r:12px;--nav:64px;--max:1200px;
  --ease:cubic-bezier(.16,1,.3,1);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 "Golos Text",-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
code,.mono{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
@media (max-width:640px){.wrap{padding:0 16px}}

/* nav */
.nav{height:var(--nav);position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{height:100%;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.01em}
.brand i{width:10px;height:10px;border-radius:3px;background:var(--grad);display:inline-block}
.nav-links{margin-left:auto;display:flex;gap:22px;font-size:14px;color:var(--mut)}
.nav-links a:hover{color:var(--text)}

/* hero */
.hero{padding:56px 0 40px;display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;min-height:min(calc(100dvh - var(--nav)),720px);}
.hero h1{font-size:clamp(34px,4.6vw,56px);line-height:1.02;letter-spacing:-.03em;margin:0 0 18px;font-weight:800}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:18px;color:var(--mut);max-width:48ch;margin:0 0 28px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:var(--r);font-weight:600;font-size:15px;border:1px solid var(--line-2);transition:transform .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease)}
.btn:hover{transform:translateY(-2px);border-color:var(--acc)}
.btn:active{transform:translateY(0) scale(.98)}
.btn.primary{background:var(--grad);border-color:transparent;color:#fff}
.frame{border-radius:var(--r);overflow:hidden;border:1px solid var(--line-2);background:var(--bg-2);box-shadow:var(--shadow)}
.frame img{width:100%;height:auto}
.hero .frame{transform:rotate(-1deg) translateY(6px)}
@media (max-width:900px){.hero{grid-template-columns:1fr;min-height:0;padding:32px 0 8px}.hero .frame{transform:none}}

/* sections */
section{padding:72px 0}
section h2{font-size:clamp(26px,3vw,36px);letter-spacing:-.02em;line-height:1.1;margin:0 0 10px;font-weight:700}
section > .wrap > p.lead{color:var(--mut);max-width:65ch;margin:0 0 32px;font-size:17px}
.hr{height:1px;background:var(--line);margin:0}

/* bento */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.tile{border:1px solid var(--line);border-radius:var(--r);padding:22px;background:var(--bg-2);min-height:170px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden;transition:transform .3s var(--ease),border-color .3s var(--ease)}
.tile:hover{transform:translateY(-3px);border-color:var(--line-2)}
.tile h3{margin:0 0 6px;font-size:18px;letter-spacing:-.01em}
.tile p{margin:0;color:var(--mut);font-size:15px}
.tile.c2{grid-column:span 2}.tile.c3{grid-column:span 3}.tile.c4{grid-column:span 4}.tile.c6{grid-column:span 6}
.tile.grad{background:var(--grad);border-color:transparent;color:#fff}
.tile.grad p{color:rgba(255,255,255,.82)}
.tile.steel{background:var(--bg-3)}
.tile.img{padding:0;min-height:240px;justify-content:flex-start}
.tile.img img{width:100%;height:100%;object-fit:cover;object-position:top left;position:absolute;inset:0}
.tile.img .cap{position:relative;margin-top:auto;padding:18px 22px;background:linear-gradient(180deg,transparent,color-mix(in srgb,var(--bg) 92%,transparent));width:100%}
.tile .num{font-family:"JetBrains Mono",monospace;font-size:40px;font-weight:700;letter-spacing:-.03em;line-height:1;margin-bottom:10px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.tile.grad .num{color:#fff;-webkit-text-fill-color:#fff}
@media (max-width:900px){.bento{grid-template-columns:1fr 1fr}.tile.c2,.tile.c3,.tile.c4,.tile.c6{grid-column:span 2}}
@media (max-width:640px){.bento{grid-template-columns:1fr}.tile.c2,.tile.c3,.tile.c4,.tile.c6{grid-column:span 1}}

/* mermaid */
.diagram{border:1px solid var(--line);border-radius:var(--r);background:var(--bg-2);padding:18px;overflow-x:auto}
.diagram .mermaid{min-height:120px}
.diagram svg{max-width:100%;height:auto}

/* gallery */
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.gallery figure{margin:0}
.gallery figcaption{color:var(--mut);font-size:14px;margin-top:10px}
.gallery .wide{grid-column:span 2}
@media (max-width:760px){.gallery{grid-template-columns:1fr}.gallery .wide{grid-column:span 1}}

/* hard problems */
.hard{display:grid;grid-template-columns:1fr 1fr;gap:28px 40px}
.hard div{border-top:2px solid transparent;border-image:var(--grad) 1;padding-top:16px}
.hard b{display:block;font-size:17px;margin-bottom:6px;letter-spacing:-.01em}
.hard p{margin:0;color:var(--mut)}
@media (max-width:760px){.hard{grid-template-columns:1fr}}

/* stack */
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-family:"JetBrains Mono",monospace;font-size:12.5px;padding:6px 10px;border-radius:8px;border:1px solid var(--line-2);color:var(--mut);background:var(--bg-2)}

/* hub: projects */
.projects{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.card{grid-column:span 2;border:1px solid var(--line);border-radius:var(--r);background:var(--bg-2);overflow:hidden;display:flex;flex-direction:column;transition:transform .3s var(--ease),border-color .3s var(--ease)}
.card:hover{transform:translateY(-4px);border-color:var(--acc)}
.card.feat{grid-column:span 4}
.card .shot{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);background:var(--bg-3)}
.card.feat .shot{aspect-ratio:21/9}
.card .shot img{width:100%;height:100%;object-fit:cover;object-position:top left}
.card .shot.grad{background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-family:"JetBrains Mono",monospace;font-size:13px;padding:24px;text-align:center}
.card .shot.steel{background:radial-gradient(120% 120% at 0% 0%,var(--bg-3),var(--bg-2));display:flex;align-items:center;justify-content:center;color:var(--mut);font-family:"JetBrains Mono",monospace;font-size:13px;padding:24px;text-align:center}
.card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{margin:0;font-size:19px;letter-spacing:-.01em}
.card p{margin:0;color:var(--mut);font-size:15px;flex:1}
.card .tags{margin-top:6px}
@media (max-width:900px){.projects{grid-template-columns:1fr 1fr}.card,.card.feat{grid-column:span 2}}
@media (max-width:640px){.projects{grid-template-columns:1fr}.card,.card.feat{grid-column:span 1}}

/* principles */
.princ{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.princ div{padding:22px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg-2)}
.princ b{display:block;margin-bottom:6px}
.princ p{margin:0;color:var(--mut)}
@media (max-width:640px){.princ{grid-template-columns:1fr}}

/* footer */
footer{border-top:1px solid var(--line);padding:36px 0 48px;color:var(--mut);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer a{color:var(--text)}

/* motion: появление героя и секций, отключается при reduced motion */
@media (prefers-reduced-motion:no-preference){
  .hero > *{animation:rise .8s var(--ease) both}
  .hero > *:nth-child(2){animation-delay:.12s}
  @keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
  .hero .frame{animation:rise .9s var(--ease) .12s both, tilt 1s var(--ease) .12s both}
  @keyframes tilt{from{transform:rotate(0) translateY(26px)}to{transform:rotate(-1deg) translateY(6px)}}
}