:root {
    --bg-color: #050a14;
    --primary-blue: #00f0ff; /* Neonowy cyjan */
    --secondary-blue: #0055ff;
    --text-color: #ffffff;
    --glass-bg: rgba(10, 20, 40, 0.85);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
}

/* Tło TECH GRID (Siatka) */
.background-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 240, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -2;
}

/* Winieta (przyciemnienie rogów) */
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, var(--bg-color) 90%);
    z-index: -1;
}

.container {
    text-align: center;
    padding: 2rem;
    max-width: 600px;
    width: 90%;
    background: var(--glass-bg);
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: 15px;
    box-shadow: 0 0 30px rgba(0, 85, 255, 0.15);
    backdrop-filter: blur(5px);
}

/* Logo */
.logo {
    max-width: 250px;
    height: auto;
    margin-bottom: 2rem;
    filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.3));
}

/* Teksty */
h1 {
    font-size: 2rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    background: linear-gradient(90deg, #fff, var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tagline {
    font-size: 0.9rem;
    color: var(--primary-blue);
    letter-spacing: 3px;
    margin-bottom: 2rem;
    text-transform: uppercase;
    font-weight: bold;
}

.description {
    font-size: 1rem;
    line-height: 1.6;
    color: #ccc;
    margin-bottom: 2rem;
}

/* Pasek postępu (Animacja) */
.progress-container {
    width: 100%;
    height: 4px;
    background: #1a253a;
    margin-bottom: 2rem;
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    width: 50%;
    height: 100%;
    background: var(--primary-blue);
    box-shadow: 0 0 10px var(--primary-blue);
    position: absolute;
    animation: loading 3s infinite ease-in-out;
}

@keyframes loading {
    0% { left: -50%; }
    50% { left: 100%; }
    100% { left: 100%; }
}

/* Przycisk Email */
.contact-box p {
    font-size: 0.9rem;
    color: #8899b3;
    margin-bottom: 0.5rem;
}

.email-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 25px;
    background: transparent;
    border: 1px solid var(--primary-blue);
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.email-btn:hover {
    background: rgba(0, 240, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
    transform: translateY(-2px);
}

footer {
    position: absolute;
    bottom: 20px;
    font-size: 0.8rem;
    color: #556677;
}

/* Responsywność */
@media (max-width: 480px) {
    h1 { font-size: 1.5rem; }
    .logo { max-width: 180px; }
    .container { padding: 1.5rem; }
}