:root {
    --primary: #007BFF;
    --primary-glow: rgba(0, 123, 255, 0.3);
    --bg-dark-900: #090d16;
    --bg-dark-800: #0f172a;
    --bg-dark-700: #1e293b;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --accent-cyan: #38bdf8;
    --border-color: rgba(148, 163, 184, 0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
    background-color: var(--bg-dark-900);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Header & Nawigacja */
header {
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    position: fixed; top: 0; width: 100%; z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    padding: 1.2rem 8%;
    display: flex; justify-content: space-between; align-items: center;
}
.logo { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.5px; display: flex; align-items: center; gap: 8px; }
.logo span { color: var(--primary); }
nav { display: flex; align-items: center; gap: 2.5rem; }
nav a { color: var(--text-muted); text-decoration: none; font-weight: 500; font-size: 0.95rem; transition: color 0.3s; }
nav a:hover, nav a.active { color: var(--text-main); }
.btn-quote {
    background: var(--primary); color: white; padding: 0.6rem 1.3rem;
    border-radius: 4px; font-weight: 600; text-decoration: none;
    box-shadow: 0 4px 14px var(--primary-glow); transition: all 0.3s;
}
.btn-quote:hover { background: #0056b3; transform: translateY(-1px); }

/* Hero Section */
.hero {
    padding: 180px 8% 100px 8%;
    display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px;
    align-items: center; background: radial-gradient(circle at 80% 20%, rgba(0, 123, 255, 0.15) 0%, transparent 50%);
}
.hero-text h2 { font-size: 3.2rem; font-weight: 800; line-height: 1.15; margin-bottom: 20px; letter-spacing: -1px; }
.hero-text p { font-size: 1.15rem; color: var(--text-muted); margin-bottom: 35px; max-width: 540px; }
.btn-secondary {
    border: 1px solid var(--border-color); color: var(--text-main);
    padding: 0.75rem 1.8rem; border-radius: 4px; text-decoration: none;
    font-weight: 600; background: rgba(255,255,255,0.02); transition: background 0.3s;
}
.btn-secondary:hover { background: rgba(255,255,255,0.08); }

/* Komponent Graficzny Hero (Animowany Procesor) */
.hero-graphics svg { width: 100%; height: auto; }
@keyframes pulse-trace {
    0% { stroke-dashoffset: 24; }
    100% { stroke-dashoffset: 0; }
}
.trace-anim { stroke-dasharray: 8 4; animation: pulse-trace 2s linear infinite; }

/* Sekcje i Siatki */
.container { padding: 100px 8%; }
.section-tag { color: var(--primary); font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 10px; display: block; }
.section-title { font-size: 2.2rem; font-weight: 800; margin-bottom: 50px; letter-spacing: -0.5px; }

.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 24px; }
.service-card {
    background: var(--bg-dark-800); border: 1px solid var(--border-color);
    padding: 40px; border-radius: 8px; transition: all 0.3s;
}
.service-card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: 0 12px 30px rgba(0,0,0,0.2); }
.card-icon { margin-bottom: 25px; color: var(--primary); }
.service-card h3 { font-size: 1.35rem; font-weight: 700; margin-bottom: 15px; }
.service-card p { color: var(--text-muted); font-size: 0.95rem; }

/* Portfolio / Laboratorium */
.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.portfolio-item {
    background: var(--bg-dark-800); border: 1px solid var(--border-color);
    border-radius: 8px; overflow: hidden;
}
.portfolio-visual { background: #0b111e; padding: 40px 20px; display: flex; justify-content: center; align-items: center; border-bottom: 1px solid var(--border-color); }
.portfolio-info { padding: 25px; }
.portfolio-info h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 5px; }
.portfolio-info span { font-size: 0.85rem; color: var(--accent-cyan); font-weight: 600; }

/* Blok O Nas / Specyfikacja */
.about-block { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.stats-row { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 40px; }
.stat-box { border-left: 3px solid var(--primary); padding-left: 15px; }
.stat-number { font-size: 2rem; font-weight: 800; color: var(--text-main); }
.stat-label { font-size: 0.85rem; color: var(--text-muted); }

/* Stopka */
footer {
    background: var(--bg-dark-800); border-top: 1px solid var(--border-color);
    padding: 60px 8% 30px 8%; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px;
}
.footer-brand h4 { font-size: 1.4rem; margin-bottom: 15px; }
.footer-brand p { color: var(--text-muted); font-size: 0.95rem; max-width: 320px; }
.footer-links h5 { font-size: 1rem; margin-bottom: 20px; color: var(--text-main); }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 0.9rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--primary); }
.footer-bottom { grid-column: 1 / -1; border-top: 1px solid var(--border-color); padding-top: 30px; text-align: center; color: var(--text-muted); font-size: 0.85rem; }

/* Interfejs Panelu Administracyjnego (CMS) */
.admin-layout { background-color: #060911; min-height: 100vh; padding-top: 100px; }
.admin-card {
    background: var(--bg-dark-800); border: 1px solid var(--border-color);
    max-width: 900px; margin: 0 auto 50px auto; padding: 40px; border-radius: 8px;
}
.admin-header-box { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; border-bottom: 1px solid var(--border-color); padding-bottom: 20px; }
.admin-section-title { font-size: 1.1rem; text-transform: uppercase; color: var(--accent-cyan); font-weight: 700; letter-spacing: 1px; margin: 35px 0 15px 0; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.9rem; font-weight: 600; margin-bottom: 8px; color: var(--text-main); }
.form-control {
    width: 100%; padding: 12px; background: var(--bg-dark-900); border: 1px solid var(--border-color);
    color: var(--text-main); border-radius: 4px; font-size: 0.95rem; font-family: inherit;
}
.form-control:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 8px rgba(0,123,255,0.2); }
.btn-save { background: var(--primary); color: white; border: none; padding: 12px 30px; border-radius: 4px; font-weight: 600; cursor: pointer; font-size: 1rem; }
.btn-save:hover { background: #0056b3; }
.status-msg { padding: 15px; border-radius: 4px; margin-bottom: 25px; font-weight: 500; }
.msg-success { background: rgba(34, 197, 94, 0.15); color: #4ade80; border: 1px solid rgba(34, 197, 94, 0.3); }