:root{
  --primary:#6750A4; --on-primary:#FFFFFF;
  --primary-container:#EADDFF; --on-primary-container:#21005D;
  --surface:#F8F9FB; --surface-2:#FFFFFF; --outline:#E0E3E8;
  --text:#1D1B20; --muted:#5B5B66;
  --radius:18px;
  --shadow-sm:0 1px 2px rgba(0,0,0,.08), 0 1px 1px rgba(0,0,0,.05);
  --shadow-md:0 8px 24px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.06);
  --maxw:1180px;
  --scroll-offset: 88px;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--surface);color:var(--text);font-family:"Roboto Flex",system-ui,Segoe UI,Roboto,Arial,sans-serif;line-height:1.55}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}

header.site{
  position:sticky;top:0;z-index:30;background:rgba(248,249,251,.72);
  backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid var(--outline)
}
.topbar{max-width:var(--maxw);margin:auto;display:flex;align-items:center;justify-content:space-between;padding:10px 16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand .material-icons-outlined{color:var(--primary)}
.topnav{display:flex;gap:6px;flex-wrap:wrap}
.topnav a{padding:8px 10px;border-radius:12px}
.topnav a:hover{background:var(--primary-container);text-decoration:none}
.topnav a.active{background:var(--primary-container);font-weight:600}

.wrap{max-width:var(--maxw);margin:auto;display:grid;grid-template-columns:1fr;gap:16px;padding:16px}
aside.sidenav{
  display:none;
  position:sticky; top:76px; align-self:start;
  background:var(--surface-2); border:1px solid var(--outline); border-radius:16px; box-shadow:var(--shadow-sm);
  padding:12px;
}
.sidenav h3{margin:4px 8px 8px;font-size:14px;color:var(--muted);letter-spacing:.2px}
.sidenav a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;color:inherit
}
.sidenav a .material-icons-outlined{font-size:18px;color:var(--muted)}
.sidenav a:hover{background:var(--primary-container);text-decoration:none}
.sidenav a.active{background:var(--primary);color:var(--on-primary)}
.sidenav a.active .material-icons-outlined{color:var(--on-primary)}
main.content{min-width:0}

@media(min-width:980px){
  .wrap{grid-template-columns:260px 1fr;align-items:start}
  aside.sidenav{display:block}
}

section{margin:24px 0; scroll-margin-top: var(--scroll-offset);}
.hero{
  display:grid;gap:22px;align-items:center;padding:28px;border-radius:calc(var(--radius) + 8px);
  background:linear-gradient(180deg,#fff,#fff) padding-box, radial-gradient(1100px 600px at 120% -10%, rgba(103,80,164,.16), transparent 60%), radial-gradient(900px 520px at -10% -20%, rgba(56,106,32,.12), transparent 60%);
  box-shadow:var(--shadow-md);
}
.hero-grid{display:grid;gap:24px}
.avatar{width:130px;height:130px;border-radius:50%;background:linear-gradient(135deg,#6750A4,#8A6CE3);box-shadow:0 18px 42px rgba(0,0,0,.12);border:4px solid #fff;overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover}
.hero h1{font-size:clamp(28px,5vw,42px);line-height:1.1;margin:0}
.tagline{color:var(--muted);font-size:clamp(15px,2.8vw,18px)}
.cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 14px;border-radius:14px;border:1px solid var(--outline);background:var(--surface-2);box-shadow:var(--shadow-sm);transition:.25s transform,.25s box-shadow}
.btn.primary{background:var(--primary);color:var(--on-primary);border-color:transparent}
.btn.tonal{background:var(--primary-container);color:var(--on-primary-container);border-color:transparent}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);text-decoration:none}

.section-title{display:flex;align-items:center;gap:10px;margin:0 0 14px;font-size:22px}
.lead{color:var(--muted)}
.card{background:var(--surface-2);border:1px solid var(--outline);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-sm)}
.grid{display:grid;gap:16px}
.grid.cols-2{grid-template-columns:1fr}
@media(min-width:720px){.hero-grid{grid-template-columns:auto 1fr}.grid.cols-2{grid-template-columns:1fr 1fr}}

.subcategory{display:flex;align-items:center;gap:8px;margin:16px 0 8px;font-weight:700}
.subcategory .material-icons-outlined{font-size:20px;color:var(--primary)}
.group-title{display:none}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip,.chip.core,.chip.work{
  padding:8px 12px;border-radius:999px;font-size:13px;font-weight:600;
  border:1px solid #E0E3E8;color:#2C3E50;background:#F8F9FA
}
.chip:nth-child(even){background:#EDEFF2}
.chip[data-tip]{position:relative}
.chip[data-tip]:hover::after{
  content:attr(data-tip);position:absolute;left:0;bottom:calc(100% + 6px);
  background:#111;color:#fff;padding:6px 8px;border-radius:8px;white-space:nowrap;font-size:12px
}

.list{display:grid;gap:10px}
.row{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1px solid var(--outline);border-radius:16px;background:var(--surface-2)}
.logo{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,#dfe3ff,#f2edff);display:grid;place-items:center;color:var(--primary);font-weight:700;border:1px solid var(--outline)}
.meta{font-size:14px;color:var(--muted)}
footer{border-top:1px solid var(--outline);margin-top:24px}
.footer-inner{max-width:var(--maxw);margin:auto;padding:16px;display:flex;justify-content:space-between;flex-wrap:wrap;color:var(--muted);font-size:14px}

[data-animate]{opacity:0;transform:translateY(16px);transition:opacity .7s ease, transform .7s ease}
.show{opacity:1 !important;transform:none !important}


/* ===== MOBILE FIRST REFINEMENTS ===== */
@media (max-width: 600px){

  :root{
    --radius: 16px;
    --scroll-offset: 72px;
  }

  html, body{
    -webkit-text-size-adjust: 100%;
    text-rendering: optimizeLegibility;
  }

  /* Safe-area for iOS notch */
  header.site{
    padding-top: env(safe-area-inset-top);
  }
  .topbar{
    padding: 10px 12px;
    gap: 10px;
  }

  /* Brand a bit smaller, keeps icon prominent */
  .brand{ font-size: 16px; gap: 8px; }
  .brand .material-icons-outlined{ font-size: 22px; }

  /* Top nav -> horizontal pill scroller */
  .topnav{
    flex: 1 1 auto;
    flex-wrap: nowrap;            /* фикс: одна строка */
    white-space: nowrap;          /* фикс: не переносить */
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 6px;
    scrollbar-width: none;
  }
  .topnav::-webkit-scrollbar{ display:none; }
  .topnav a{
    padding: 8px 12px;
    border-radius: 999px;
    white-space: nowrap;
    background: #fff;
    border: 1px solid var(--outline);
  }
  .topnav a.active{
    background: var(--primary);
    color: var(--on-primary);
    border-color: transparent;
  }

  /* Layout */
  .wrap{
    padding: 12px;
    gap: 12px;
  }
  section{
    margin: 18px 0;
  }
  .section-title{
    font-size: 20px;
    margin-bottom: 10px;
  }

  /* Side nav stays hidden on mobile (already) */
  aside.sidenav{ display:none; }

  /* Hero */
  .hero{
    padding: 18px;
    gap: 16px;
    border-radius: 20px;
  }
  .hero-grid{
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .avatar{
    width: 96px; height: 96px;
    margin: 2px 0 4px;
    border-width: 3px;
  }
  .hero h1{
    font-size: clamp(24px, 6vw, 28px);
  }
  .tagline{
    font-size: 14px;
  }

  /* CTA buttons: full-width stack with large tap targets */
  .cta{
    gap: 8px;
    margin-top: 6px;
  }
  .btn{
    width: 100%;
    justify-content: center;
    padding: 12px 14px;
    border-radius: 14px;
    font-weight: 600;
  }

  /* Cards & grids */
  .card{
    padding: 14px;
    border-radius: 16px;
  }
  .grid{ gap: 12px; }
  .grid.cols-2{ grid-template-columns: 1fr; } /* force single column on phones */

  /* Chips tighter & bolder */
  .chips{ gap: 6px; }
  .chip{
    padding: 7px 10px;
    font-size: 12.5px;
    font-weight: 700; /* все чипы bold */
    border-radius: 999px;
  }

  /* Experience list rows */
  .list{ gap: 8px; }
  .row{
    padding: 12px;
    gap: 10px;
    border-radius: 14px;
  }
  .logo{
    width: 36px; height: 36px;
    border-radius: 10px;
    font-size: 14px;
  }
  .meta{ font-size: 13px; }

  /* Contact buttons: stacked full width */
  #contact .cta .btn{
    width: 100%;
  }

  /* Footer */
  .footer-inner{
    padding: 14px 12px env(safe-area-inset-bottom);
    gap: 8px;
    font-size: 13px;
  }
}

/* ===== VERY SMALL SCREENS (<=375px, e.g. iPhone SE) ===== */
@media (max-width: 375px){
  :root{ --scroll-offset: 64px; }

  .topbar{ padding: 8px 10px; }

  /* бренд компактнее */
  .brand{ font-size: 14px; gap: 6px; }
  .brand .material-icons-outlined{ font-size: 20px; }

  .topnav a{
    padding: 6px 10px;
    font-size: 13px;
  }

  .hero{ padding: 14px; }
  .avatar{ width: 84px; height: 84px; }
  .hero h1{ font-size: 24px; }
  .tagline{ font-size: 13px; }

  .btn{ padding: 11px 12px; }
  .chip{ font-size: 12px; padding: 6px 9px; }
}

/* ===== TINY PHONES (<=360px) ===== */
@media (max-width: 360px){
  .chip{ font-size: 12px; padding: 6px 9px; }
  .btn{ padding: 11px 12px; }
  .hero{ padding: 16px; }
}

/* ===== TOUCH UX POLISH ===== */
@media (hover: none){
  .btn:hover{ transform:none; box-shadow: var(--shadow-sm); }
}
* { -webkit-tap-highlight-color: rgba(0,0,0,0); }

/* --- auto-scroll pills UX --- */
.topnav{
  scroll-snap-type: x proximity;   
  scroll-padding-inline: 12px;     
}
.topnav a{
  scroll-snap-align: start;
}