:root {
      --bg: #0e0f11;
      --bg-elev: #14161a;
      --bg-hover: #1a1d22;
      --text: #f3f5f7;
      --muted: #a7adb7;
      --gold: #d4af37;
      --gold-strong: #e1c159;
      --ring: rgba(212, 175, 55, .25);
      --shadow: 0 10px 30px rgba(0,0,0,.35);
      --radius: 16px;
      --container: 1150px;
      --transition: 220ms cubic-bezier(.2,.7,.2,1);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: "Poppins", system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif;
      background: radial-gradient(1200px 800px at 70% -10%, rgba(212,175,55,.08), transparent 60%), var(--bg);
      color: var(--text);
      overflow-x: hidden;
    }

    /* ===== Layout ===== */
    .container { width: min(100%, var(--container)); margin-inline: auto; padding: 0 20px; }
    section { padding: 112px 0; position: relative; }
    section:nth-child(odd) { background: linear-gradient(180deg, #0e0f11 0%, #0e0f11 70%, #0f1115 100%); }

    /* ===== Floating gold elements (subtle) ===== */
    #floaters {
      position: fixed;
      inset: 0;
      z-index: 0;
      pointer-events: none;
      opacity: .25; /* bardzo subtelne */
      mix-blend-mode: screen;
    }

    /* ===== Header / Nav ===== */
    .site-header { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(8px); background: rgba(14,15,17,.7); border-bottom: 1px solid rgba(255,255,255,.06); }
    .nav { display: flex; align-items: center; justify-content: space-between; height: 64px; position: relative; z-index: 2; }
    .brand { display: flex; align-items: center; gap: 12px; font-weight: 600; letter-spacing: .4px; }
    .brand-logo { width: 32px; height: 32px; border-radius: 8px; overflow: hidden; background: var(--bg-elev); display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 16px var(--ring); }
    .brand-logo img { width: 100%; height: 100%; object-fit: cover; display: block; }

    .menu { display: flex; align-items: center; gap: 24px; list-style: none; padding: 0; margin: 0; }
    .menu a { text-decoration: none; color: var(--text); font-weight: 500; opacity: .85; transition: opacity var(--transition), color var(--transition); }
    .menu a:hover, .menu a:focus-visible { opacity: 1; color: var(--gold); }

    .burger { display: none; position: relative; width: 44px; height: 44px; border-radius: 12px; border: 1px solid rgba(255,255,255,.08); background: var(--bg-elev); color: var(--text); align-items: center; justify-content: center; cursor: pointer; transition: transform var(--transition), background var(--transition), box-shadow var(--transition); }
    .burger:hover { background: var(--bg-hover); transform: translateY(-1px); }
    .burger .bar { position: absolute; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); }
    .burger .bar:nth-child(1) { transform: translateY(-7px); }
    .burger .bar:nth-child(2) { transform: translateY(0); }
    .burger .bar:nth-child(3) { transform: translateY(7px); }
    .burger[aria-expanded="true"] .bar:nth-child(1) { transform: rotate(45deg); }
    .burger[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
    .burger[aria-expanded="true"] .bar:nth-child(3) { transform: rotate(-45deg); }

    @media (max-width: 900px) {
      .burger { display: inline-flex; }
      .menu { position: fixed; inset: 64px 0 auto 0; background: rgba(14,15,17,.98); flex-direction: column; padding: 20px; gap: 14px; transform: translateY(-10px) scale(.98); opacity: 0; pointer-events: none; transition: transform var(--transition), opacity var(--transition); border-bottom: 1px solid rgba(255,255,255,.06); }
      .menu.open { transform: none; opacity: 1; pointer-events: auto; }
    }

    /* ===== Hero (bigger image) ===== */
    .hero { display: grid; grid-template-columns: 1fr 1.35fr; gap: 40px; align-items: center; min-height: min(88vh, 820px); position: relative; z-index: 1; }
    .kicker { color: var(--gold); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; font-size: .8rem; }
    .headline { font-size: clamp(36px, 6.6vw, 64px); line-height: 1.04; margin: 10px 0 16px; font-weight: 700; }
    .subhead { color: var(--muted); max-width: 60ch; }
    .cta-row { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
    .btn { --pad: 12px 18px; padding: var(--pad); border-radius: 999px; border: 1px solid rgba(255,255,255,.08); background: var(--bg-elev); color: var(--text); text-decoration: none; font-weight: 600; display: inline-flex; gap: 10px; align-items: center; transition: transform var(--transition), background var(--transition), box-shadow var(--transition), border-color var(--transition); will-change: transform; }
    .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(0,0,0,.35); }
    .btn-primary { background: linear-gradient(135deg, var(--gold), var(--gold-strong)); color: #111; border-color: transparent; }
    .btn-primary:hover { box-shadow: 0 12px 30px var(--ring); }

    .hero-card {
      background: radial-gradient(520px 300px at 70% 15%, rgba(212,175,55,.12), transparent 60%), var(--bg-elev);
      border: 1px solid rgba(255,255,255,.08);
      border-radius: 24px;
      padding: 26px;
      box-shadow: var(--shadow);
      transform: translateZ(0);
    }
    .hero-card img {
      width: 100%;
      aspect-ratio: 16 / 10; /* większe zdjęcie */
      object-fit: cover;
      display: block;
      border-radius: 16px;
      filter: saturate(1.1);
      transition: transform 700ms cubic-bezier(.2,.7,.2,1);
    }
    .hero-card:hover img { transform: scale(1.04) translateY(-3px); }

    @media (max-width: 900px) { .hero { grid-template-columns: 1fr; min-height: unset; } }

    /* ===== Sections common ===== */
    .section-title { font-size: clamp(28px, 4.6vw, 40px); margin: 0 0 12px; }
    .section-desc { color: var(--muted); margin: 0 0 28px; max-width: 70ch; }

    /* ===== O mnie (equal heights) ===== */
    .about { display: grid; grid-template-columns: .9fr 1.1fr; gap: 32px; align-items: stretch; }
    .about-card { background: var(--bg-elev); border: 1px solid rgba(255,255,255,.08); padding: 22px; border-radius: var(--radius); box-shadow: var(--shadow); height: 100%; }
    .about-photo-wrap { height: 100%; display: grid; }
    .about-photo { width: 100%; height: 100%; border-radius: var(--radius); object-fit: cover; background: #0f1115; }
    .about li { color: var(--muted); margin: 6px 0; }
    @media (max-width: 900px) {
      .about { grid-template-columns: 1fr; }
      .about-card { height: auto; }
      .about-photo-wrap { height: auto; }
      .about-photo { aspect-ratio: 4 / 5; height: auto; }
    }

    /* ===== Umiejętności ===== */
    .skills-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
    .skill { background: var(--bg-elev); border: 1px solid rgba(255,255,255,.08); padding: 18px; border-radius: var(--radius); transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition); }
    .skill:hover { transform: translateY(-3px); background: var(--bg-hover); border-color: rgba(212,175,55,.35); box-shadow: 0 10px 28px rgba(0,0,0,.35); }
    .meter { height: 8px; background: #20242b; border-radius: 999px; overflow: hidden; margin-top: 10px; }
    .bar { height: 100%; background: linear-gradient(90deg, var(--gold), var(--gold-strong)); width: var(--val, 50%); }
    @media (max-width: 900px) { .skills-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 560px) { .skills-grid { grid-template-columns: 1fr; } }

    /* ===== Portfolio (richer) ===== */
    .filter-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
    .filter-btn { padding: 8px 14px; border-radius: 999px; border: 1px solid rgba(255,255,255,.08); background: var(--bg-elev); color: var(--text); cursor: pointer; font-weight: 600; transition: background var(--transition), transform var(--transition), border-color var(--transition); }
    .filter-btn:hover { transform: translateY(-2px); background: var(--bg-hover); }
    .filter-btn.active { background: linear-gradient(135deg, var(--gold), var(--gold-strong)); color: #121417; border-color: transparent; }

    .grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .card { position: relative; overflow: hidden; border-radius: 16px; background: #0c0d10; border: 1px solid rgba(255,255,255,.06); transform: translateZ(0); }
    .card img { width: 100%; height: 280px; object-fit: cover; display: block; transform: scale(1.01); transition: transform 800ms cubic-bezier(.2,.7,.2,1), filter var(--transition); }
    .card:hover img { transform: scale(1.06) translateY(-4px); filter: brightness(1.06); }
    .card .chip { position: absolute; top: 12px; left: 12px; background: rgba(18,20,23,.8); color: var(--gold); padding: 6px 10px; border-radius: 999px; font-size: .78rem; font-weight: 700; letter-spacing: .04em; border: 1px solid rgba(212,175,55,.35); }
    .card .overlay {
      position: absolute; inset: 0; display: grid; align-content: end; gap: 8px; padding: 16px;
      background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(12,13,16,.85) 65%);
      opacity: 0; transition: opacity 300ms ease;
    }
    .card:hover .overlay { opacity: 1; }
    .overlay h4 { margin: 0; font-size: 1.05rem; }
    .overlay p { margin: 0; color: var(--muted); font-size: .92rem; }
    .overlay .tags { display:flex; gap:8px; flex-wrap: wrap; }
    .tag { font-size: .75rem; padding: 4px 8px; border-radius: 999px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08); }

    .card.hidden { transform: scale(.98); opacity: 0; pointer-events: none; transition: transform 220ms ease, opacity 220ms ease; }
    .card.show { transform: none; opacity: 1; pointer-events: auto; transition: transform 220ms ease, opacity 220ms ease; }

    @media (max-width: 1000px) { .grid { grid-template-columns: repeat(2, 1fr); } .card img { height: 240px; } }
    @media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }

    /* ===== Opinie (Testimonials) ===== */
    .testimonials { position: relative; }
    .t-wrap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .t-card {
      background: var(--bg-elev);
      border: 1px solid rgba(255,255,255,.08);
      border-radius: var(--radius);
      padding: 20px;
      box-shadow: var(--shadow);
      display: grid;
      gap: 12px;
      transition: transform var(--transition), background var(--transition), border-color var(--transition);
    }
    .t-card:hover { transform: translateY(-3px); background: var(--bg-hover); border-color: rgba(212,175,55,.35); }
    .t-head { display: flex; align-items: center; gap: 12px; }
    .avatar { width: 44px; height: 44px; border-radius: 50%; background: #0f1115; object-fit: cover; }
    .t-name { font-weight: 600; }
    .t-role { color: var(--muted); font-size: .9rem; }
    .stars { font-size: .95rem; color: var(--gold); letter-spacing: .06em; }
    @media (max-width: 1000px) { .t-wrap { grid-template-columns: 1fr 1fr; } }
    @media (max-width: 640px) { .t-wrap { grid-template-columns: 1fr; } }

    /* ===== Kontakt ===== */
    .contact-wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; }
    .panel { background: var(--bg-elev); border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
    .field { display: grid; gap: 8px; margin-bottom: 14px; }
    label { color: var(--muted); font-size: .95rem; }
    input, textarea { width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid rgba(255,255,255,.08); background: #0f1115; color: var(--text); transition: border-color var(--transition), box-shadow var(--transition), background var(--transition); }
    input:focus, textarea:focus { outline: none; border-color: rgba(212,175,55,.45); box-shadow: 0 0 0 6px var(--ring); }

    .contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
    .contact-list li { display: flex; gap: 10px; align-items: center; color: var(--muted); }

    /* ===== Utilities ===== */
    .sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity 500ms ease, transform 500ms ease; }
    .reveal.visible { opacity: 1; transform: none; }

    .note { color: var(--muted); font-size: .9rem; }
    .accent { color: var(--gold); }

    .to-top { position: fixed; right: 20px; bottom: 20px; width: 46px; height: 46px; border-radius: 50%; border: 1px solid rgba(255,255,255,.08); background: var(--bg-elev); color: var(--text); display: grid; place-items: center; box-shadow: var(--shadow); cursor: pointer; opacity: 0; transform: translateY(10px); transition: opacity var(--transition), transform var(--transition); z-index: 5; }
    .to-top.show { opacity: 1; transform: none; }

    @media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } html { scroll-behavior: auto; } }