/* insitubytes – main stylesheet */

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

html {
    font-size: 16px;
}

body {
    background-color: #222;
    color: #f0f0f0;
    font-family: Georgia, 'Times New Roman', serif;
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── Layout ── */

.site-header,
.site-main,
.site-footer {
    width: 100%;
    max-width: 860px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.site-header {
    padding-top: 3rem;
    padding-bottom: 2rem;
    text-align: center;
}

.site-main {
    flex: 1;
    padding-bottom: 3rem;
}

.site-footer {
    padding-top: 1.5rem;
    padding-bottom: 2rem;
    border-top: 1px solid #444;
    font-size: 0.875rem;
    color: #000;
    text-align: center;
}

/* ── Logo & Tagline ── */

.site-logo {
    max-width: 280px;
    height: auto;
    display: block;
    margin: 0 auto 1.5rem;
}

.tagline {
    font-size: 1.05rem;
    letter-spacing: 0.12em;
    color: #bbb;
    margin-bottom: 2rem;
}

/* ── Prose / Description ── */

.intro {
    font-size: 1.2rem;
    max-width: 620px;
    margin: 0 auto 3rem;
    text-align: center;
    color: #ddd;
}

/* ── Section Headings ── */

h2 {
    font-size: 1rem;
    font-weight: normal;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #888;
    margin-bottom: 1.5rem;
    text-align: center;
}

/* ── Project Cards ── */

.projects {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.card {
    background-color: #2d2d2d;
    border: 1px solid #3a3a3a;
    border-radius: 4px;
    padding: 2rem 2.5rem;
    flex: 1 1 260px;
    max-width: 340px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.card-logo {
    max-width: 160px;
    max-height: 80px;
    object-fit: contain;
    display: block;
}

.card h3 {
    font-size: 1rem;
    font-weight: normal;
    letter-spacing: 0.08em;
    color: #ccc;
}

/* ── Footer Navigation ── */

.footer-nav {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.footer-nav a {
    color: #aaa;
    text-decoration: none;
    transition: none;
}

.footer-nav a:hover {
    color: #f0f0f0;
    text-decoration: underline;
}

/* ── Inner Pages (Impressum / Datenschutz) ── */

.page-header {
    padding-top: 3rem;
    padding-bottom: 1.5rem;
    text-align: center;
}

.page-logo {
    max-width: 160px;
    height: auto;
    display: block;
    margin: 0 auto 1.5rem;
}

.page-title {
    font-size: 1.4rem;
    font-weight: normal;
    letter-spacing: 0.06em;
    color: #ddd;
}

.prose {
    max-width: 660px;
    margin: 0 auto;
    padding-bottom: 3rem;
}

.prose h2 {
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #888;
    margin-top: 2.5rem;
    margin-bottom: 0.75rem;
    text-align: left;
}

.prose h3 {
    font-size: 0.85rem;
    font-weight: bold;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #777;
    margin-top: 1.75rem;
    margin-bottom: 0.5rem;
}

.prose p {
    color: #ccc;
    margin-bottom: 0.75rem;
}

.prose address {
    font-style: normal;
    color: #ccc;
    line-height: 1.9;
}

.prose a {
    color: #aaa;
    text-decoration: underline;
}

.prose a:hover {
    color: #f0f0f0;
}

.back-link {
    display: inline-block;
    margin-top: 2.5rem;
    color: #888;
    text-decoration: none;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

.back-link:hover {
    color: #f0f0f0;
    text-decoration: underline;
}

/* ── Responsive ── */

@media (max-width: 540px) {
    .site-logo {
        max-width: 200px;
    }

    .card {
        flex-basis: 100%;
        max-width: 100%;
    }

    .tagline {
        font-size: 0.9rem;
    }
}