:root {
    --brand: #004aad;
    --accent: #ff6200;
    --bg: #f9f9f9;
    --surface: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --border: rgba(31, 41, 55, 0.12);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 clamp(1.35rem, 6.25vw, 2rem);
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
}

.card-narrow {
    width: 100%;
    max-width: 980px;
    margin-left: auto;
    margin-right: auto;
}

.site-header {
    color: #fff;
    background-color: var(--brand);
    background-image:
        linear-gradient(120deg, rgba(0, 74, 173, 0.92), rgba(0, 74, 173, 0.70)),
        url("images/FasadeOfTheEntryBuilding.jpg");
    background-size: cover;
    background-position: center;
}

.header-inner {
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
    gap: 1rem;
    padding: 2.5rem 0;
}

.brand-logo {
    width: 160px;
    height: auto;
    filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.25));
}

.header-text h1 {
    margin: 0;
    font-size: clamp(1.9rem, 3.5vw, 2.8rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.header-text {
    padding-left: 3px;
}

.header-text p {
    margin: 0.5rem 0 0;
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.92);
}

.site-nav {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.nav-inner a {
    text-decoration: none;
    font-weight: 700;
    color: var(--brand);
    padding: 0.55rem 0.9rem;
    border-radius: 999px;
    white-space: nowrap;
}

.nav-inner a:hover {
    color: var(--accent);
}

.nav-inner a:focus-visible,
.allegro-button:focus-visible,
.contact-info a:focus-visible {
    outline: 3px solid rgba(255, 98, 0, 0.45);
    outline-offset: 2px;
}

.main-content {
    padding-top: 1.25rem;
    padding-bottom: 2.5rem;
}


.section {
    padding: 1.25rem;
    margin-top: 1rem;
}

.section h2 {
    margin: 0 0 0.9rem;
    color: var(--brand);
    border-bottom: 2px solid rgba(255, 98, 0, 0.85);
    padding-bottom: 0.5rem;
    font-size: 1.35rem;
}

.section p {
    margin: 0.65rem 0;
}

.section-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    align-items: start;
}

.section-media {
    margin: 0;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.section-media img {
    width: 100%;
    height: auto;
}

.allegro-button-container {
    text-align: center;
    margin: 1.25rem auto 0;
    padding: 1.1rem;
}

.top-panels {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

.top-panels .allegro-button-container {
    margin: 0;
}

.top-panels .section-media {
    aspect-ratio: 16 / 9;
}

.top-panels .section-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.allegro-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--accent);
    color: #fff;
    padding: 0.9rem 1.6rem;
    font-size: 1.05rem;
    font-weight: 800;
    text-decoration: none;
    border-radius: 12px;
    transition: transform 0.12s ease, background-color 0.2s ease;
}

.allegro-button:hover {
    background-color: #e55600;
    transform: translateY(-1px);
}

.allegro-description {
    margin-top: 0.55rem;
    font-size: 0.95rem;
    color: var(--muted);
}

.offer-list {
    margin: 0.75rem 0 0;
    padding-left: 1.25rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.35rem 1.5rem;
}

.contact-info a {
    color: var(--brand);
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    align-items: start;
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 0.9rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    text-decoration: none;
    color: var(--brand);
    font-weight: 800;
    background: rgba(255, 255, 255, 0.6);
}

.social-link:hover {
    color: var(--accent);
    border-color: rgba(255, 98, 0, 0.35);
}

.social-icon {
    width: 20px;
    height: 20px;
    flex: 0 0 auto;
}

.contact-photo {
    margin-top: 0.75rem;
}

.map-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 dla mapy */
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.map-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

#about,
#offer,
#contact {
    scroll-margin-top: 4.25rem;
}

.site-footer {
    background-color: var(--brand);
    color: #fff;
    text-align: center;
    padding: 1.25rem 1rem;
}

.site-footer p {
    margin: 0;
}

@media (min-width: 720px) {
    .header-text {
        padding-left: 0;
    }

    .top-panels {
        grid-template-columns: 1.35fr 0.65fr;
        align-items: stretch;
        gap: 1.25rem;
        margin-top: 1.25rem;
    }

    .header-inner {
        grid-template-columns: auto 1fr;
        gap: 1.5rem;
        padding: 3.25rem 0;
    }

    .brand-logo {
        width: 190px;
    }

    .section {
        padding: 1.5rem;
        margin-top: 1.25rem;
    }

    .section-grid {
        grid-template-columns: 1.15fr 0.85fr;
        gap: 1.5rem;
    }

    .offer-list {
        grid-template-columns: 1fr 1fr;
    }

    .contact-grid {
        grid-template-columns: 0.95fr 1.05fr;
        gap: 1.5rem;
    }
}