:root{ --bg:#0e1116; --panel:#161a22; --text:#e6e8ef; --muted:#9aa3b2; --ring:rgba(122,92,255,.25); }
*{box-sizing:border-box}
html,body{height:100%}
html,body{overflow-x:hidden}
body{margin:0;font:16px/1.5 system-ui,Segoe UI,Roboto,Inter,Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,#0e1116,#0b0d12 30%) fixed}
img{user-select:none;-webkit-user-drag:none;-webkit-touch-callout:none}

/* Wallpaper */
.wallpaper{position:fixed;inset:0;z-index:0;pointer-events:none}
.wallpaper .wp{position:absolute;inset:0;background:center/cover no-repeat;opacity:0;transition:opacity 1000ms ease}
.wallpaper .wp.on{opacity:.22;filter:contrast(104%) saturate(105%) brightness(.82)}

/* Layout */
.layout{position:relative;z-index:1;display:grid;grid-template-columns:260px 1fr;min-height:100vh}
.sidebar{background:rgba(22,26,34,.8);backdrop-filter:saturate(120%) blur(8px);padding:1rem;border-right:1px solid rgba(255,255,255,.06);position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:.5rem;font-weight:800;margin-bottom:.75rem;letter-spacing:.4px}
.brand .dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,#36c2ff,#7a5cff)}
.nav-link{display:block;color:var(--text);text-decoration:none;padding:.55rem .6rem;border-radius:10px}
.nav-link:hover{background:rgba(255,255,255,.06)}
.nav-link.active{outline:1px solid rgba(255,255,255,.12);background:rgba(122,92,255,.08)}
.nav-foot{margin-top:2rem;color:var(--muted);font-size:.9rem}
.content{padding:1.25rem; --content-pad:1.25rem}
.nav-toggle{display:none;margin:.25rem 0 .75rem;padding:.45rem .6rem;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:transparent;color:var(--text)}

.content>.hero,
.content>.panel{max-width:min(1200px,calc(100vw - 2rem));margin-left:auto;margin-right:auto}

/* Sticky header */
.sticky-header{position:sticky;top:0;z-index:50;backdrop-filter:saturate(120%) blur(8px);background:rgba(14,17,22,.6);border-bottom:1px solid rgba(255,255,255,.08);margin:0 0 1rem 0}
.sticky-inner{display:flex;gap:.75rem;align-items:baseline;padding:.55rem .75rem}
.sticky-inner.left{justify-content:flex-start}
.sticky-name{font-weight:800;letter-spacing:.6px}
.sticky-tagline{color:var(--muted);font-size:.95rem}
.sticky-header.scrolled{box-shadow:0 10px 30px rgba(0,0,0,.25)}

/* Hero */
.hero{position:relative;display:grid;place-items:center;text-align:center;padding:1.6rem 1rem;border-radius:16px;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.08);overflow:hidden}
.hero-xl{min-height:22vh}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(100% 120% at 50% 0%, rgba(0,0,0,.35), rgba(0,0,0,.55));z-index:1}
.hero-title{position:relative;z-index:2;margin:0}
.hero-title-xl{font-size:clamp(2.4rem,6.5vw,4.2rem);letter-spacing:.6px;line-height:1.05;color:#f3f5ff;text-shadow:0 1px 10px rgba(0,0,0,.35)}

.panel{margin:1rem 0;padding:1rem;border-radius:14px;background:var(--panel);border:1px solid rgba(255,255,255,.06)}
.panel-thin{padding:.6rem 1rem}
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem .75rem;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:transparent;color:var(--text);cursor:pointer;text-decoration:none}
.btn.small{padding:.35rem .6rem;font-size:.9rem}

/* Marquee */
.clients-marquee.wide.panel{max-width:none;margin-left:calc(-1 * var(--content-pad));margin-right:calc(-1 * var(--content-pad));padding:0;border:0;border-radius:0;background:#000}
.clients-marquee .marquee-outer{overflow:hidden}
.clients-marquee .marquee{display:inline-flex;white-space:nowrap;will-change:transform;transform:translateX(0)}
.clients-marquee .line{display:inline-block;padding:.65rem 1rem;color:#18f07a;letter-spacing:.12em;font-weight:700;text-transform:uppercase;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace}

/* PDF */
.pdf-viewer{margin-top:.75rem;background:var(--panel);border:1px solid rgba(255,255,255,.06);border-radius:14px;overflow:hidden}
.pdf-frame{display:block;width:100%;height:clamp(60vh,80vh,85vh);border:0}
.pdf-fallback{padding:1rem;display:none}

/* Focus */
:where(a,button)[tabindex], a, button { outline: none; }
:where(a,button):focus-visible{ outline:3px solid var(--ring); outline-offset:2px; border-radius:10px }

/* Print */
@media print{
  @page{margin:14mm}
  body{background:#fff;color:#000}
  .sidebar,.nav-toggle,.sticky-header,#home,#contact,.back-to-top{display:none!important}
  .content{padding:0!important}
  #resume{display:block!important}
  .panel{border:none;background:#fff}
  .hero{display:none!important}
  a{color:#000;text-decoration:none}
}

/* Mobile */
@media (max-width:860px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:static;height:auto;display:none}
  .sidebar.open{display:block}
  .nav-toggle{display:inline-block}
}

/* === Hero background photo + watermark (appended by update_site.php v3.0.0) === */
.hero{ position:relative; overflow:hidden }
.hero.hero-photo::before{
  content:""; position:absolute; inset:0; z-index:0;
  background:
    url('../assets/hero/Header.jpg') center/cover no-repeat,
    url('../assets/hero/header.jpg') center/cover no-repeat;
  opacity:.42; filter:saturate(110%) contrast(1.05);
  pointer-events:none;
}
.hero.hero-photo::after{
  content:"© ROB VALENTI"; position:absolute; right:14px; bottom:12px; z-index:1;
  background:rgba(0,0,0,.45); color:#fff; padding:.25rem .6rem; border-radius:10px;
  font-size:.9rem; letter-spacing:.3px; text-transform:uppercase; pointer-events:none;
}
.hero > *{ position:relative; z-index:2 }
.hero-xl{ min-height:26vh }