:root {
    --primary-color: #3b82f6;
    --bg-color: #121212;
    --text-color: #e2e8f0;
    --light-gray: #2d3748;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== HEADER ===== */
header {
    padding: 2rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: var(--primary-color);
}

/* ===== HEADINGS ===== */
h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* ===== SEKCJE ===== */

.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem 0;
}

.subtitle {
    font-size: 1.5rem;
    color: #a0aec0;
    max-width: 650px;
    margin-bottom: 2rem;
}

.btn {
    padding: 0.75rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.375rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.3s ease;
    display: inline-block;
}

.btn:hover {
    background-color: #2563eb;
}

/* ===== O MNIE ===== */
#o-mnie .about-content {
    background: #1a202c;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 12px;
}
#o-mnie .about-content:hover {
    box-shadow: 0 6px 18px rgba(28, 47, 219, 0.712);
}

.about-content {
    display: block;
    width: 100%;
}

.about-text {
    max-width: 1400px;
    margin: 0 auto;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.about-text .intro {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    text-align: center;
    color: #a0aec0;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.about-text h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.about-text h4.service-title {
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: #e2e8f0;
}

.cta-box {
    background-color: #1a202c;
    padding: 2.5rem;
    border-radius: 0.5rem;
    text-align: center;
    margin-top: 2rem;
    margin-bottom: 12px;
}

.cta-box p {
    margin-bottom: 1.5rem;
    color: #cbd5e0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-box p a {
    color: inherit;
    text-decoration: none;
    font-weight: inherit;
    transition: color 0.3s ease;
}

.cta-box p a:hover {
    color: var(--primary-color);
}

/* ===== OFERTA ===== */
#oferta {
    padding: 1rem 0;
}

.oferta {
    padding-top: 8px;
    padding-bottom: 8px;
}

.service-box {
    background-color: #1a202c;
    padding: 1rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-box:hover {
    box-shadow: 0 6px 18px rgba(28, 47, 219, 0.712);
}

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.service-box h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.service-box p {
    color: #cbd5e0;
    margin-bottom: 1.5rem;
}

.services-list {
    padding-left: 1.25rem;
    margin-bottom: 1.5rem;
}

.services-list li {
    margin-bottom: 1rem;
    color: #cbd5e0;
}

.services-list li strong {
    color: #e2e8f0;
    font-weight: 600;
}

.service-box .services-row {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    flex-wrap: wrap;
    margin-top: 12px;
}

.service-box .service {
    flex: 1 1 320px;
    min-width: 260px;
    background: #1a202c;
    padding: 8px;
    border-radius: 8px;
    box-shadow: 0 6px 18px rgba(20,20,30,0.04);
    box-sizing: border-box;
}

.service-box .service .service-icon {
    margin-bottom: 1rem;
}

/* ===== KONTAKT ===== */
#kontakt {
    padding: 0rem 0;
}

.contact-simple {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0rem 0;
}

.contact-card {
    background-color: #1a202c;
    border-radius: 0.75rem;
    padding: 3rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    width: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    box-shadow: 0 6px 18px rgba(28, 47, 219, 0.712);
}

.contact-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
    margin: 0 auto 2rem;
}

.contact-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.contact-card p {
    font-size: 1.125rem;
    color: #cbd5e0;
    margin-bottom: 1rem;
}

.email-link {
    display: inline-block;
    font-size: 1.5rem;
    font-weight: 600;
    color: #e2e8f0;
    margin: 1rem 0 1.5rem;
    text-decoration: none;
    transition: color 0.3s ease;
}

.email-link:hover {
    color: var(--primary-color);
}

.contact-note {
    font-size: 0.875rem;
    color: #718096;
    font-style: italic;
}

/* ===== FOOTER ===== */
footer {
    background-color: #1a202c;
    padding: 2rem 0;
    text-align: center;
    margin-top: 4rem;
}

footer p {
    font-size: 0.95rem;
    color: #a0aec0;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.social-icon {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.social-icon:hover {
    background-color: #2563eb;
}

/* ===== FORM (jeśli potrzebne) ===== */
label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

input, textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--light-gray);
    border-radius: 0.375rem;
    font-size: 1rem;
    background-color: #1a202c;
    color: var(--text-color);
}

textarea {
    min-height: 150px;
    resize: vertical;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    nav {
        display: none;
    }
    
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .subtitle {
        font-size: 1.25rem;
    }

    section {
        padding: 1.5rem 0;
    }

    .service-box .services-row {
        flex-direction: column;
    }

    .services-container {
        grid-template-columns: 1fr;
    }
}