/* Altophonium.ch — editorial, leicht, eine Datei. */

:root {
    --ink:        #1c1a17;
    --ink-soft:   #4a4640;
    --paper:      #f6f3ec;
    --paper-2:    #efe9dd;
    --line:       #ddd5c6;
    --accent:     #7a2e2e;   /* gedämpftes Oxblood */
    --accent-2:   #2f4f4a;   /* tiefes Tannengrün */
    --max:        72rem;
    --prose:      40rem;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 18px;
    line-height: 1.65;
}

h1, h2, h3, .brand-mark {
    font-family: Georgia, "Times New Roman", serif;
    line-height: 1.2;
    font-weight: 600;
    letter-spacing: -0.01em;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--ink); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.5rem; }

/* ---------- Header / Nav ---------- */
.site-header {
    border-bottom: 1px solid var(--line);
    background: var(--paper);
    position: sticky; top: 0; z-index: 10;
}
.site-header .wrap {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 0.5rem 1.5rem; padding-top: 1rem; padding-bottom: 1rem;
}
.brand { text-decoration: none; color: var(--ink); display: flex; flex-direction: column; line-height: 1.05; }
.brand-mark { font-size: 1.35rem; }
.brand-sub { font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft); }

.site-nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; margin: 0; padding: 0; }
.site-nav a {
    text-decoration: none; color: var(--ink-soft); font-size: 0.95rem;
    padding: 0.2rem 0; border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a.is-active { color: var(--ink); border-bottom-color: var(--accent); }

/* ---------- Hero ---------- */
.hero { background: var(--paper-2); border-bottom: 1px solid var(--line); }
.hero .wrap { padding-top: 4rem; padding-bottom: 4rem; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); margin: 0.3rem 0 1rem; max-width: 18ch; }
.kicker { text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.72rem; color: var(--accent); margin: 0 0 0.4rem; }
.lead { font-size: 1.2rem; color: var(--ink-soft); max-width: var(--prose); }

.hero-actions { margin-top: 1.8rem; display: flex; flex-wrap: wrap; gap: 0.75rem; }

.btn {
    display: inline-block; background: var(--accent); color: #fff; text-decoration: none;
    padding: 0.7rem 1.4rem; border-radius: 2px; font-size: 0.95rem; border: 1px solid var(--accent);
}
.btn:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ---------- Layout helpers ---------- */
.site-main { min-height: 50vh; }
.stack { padding-top: 3rem; padding-bottom: 3rem; }

/* ---------- Cards ---------- */
.cards { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.card {
    background: #fff; border: 1px solid var(--line); border-radius: 3px; padding: 1.6rem;
}
.card h2 { margin: 0 0 0.5rem; font-size: 1.3rem; }
.card h2 a { text-decoration: none; }
.card p { margin: 0; color: var(--ink-soft); }

/* ---------- Featured (Home) ---------- */
.featured {
    background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--accent);
    border-radius: 3px; padding: 1.8rem 2rem; max-width: calc(var(--prose) + 4rem);
}
.featured h2 { margin: 0.2rem 0 0.6rem; font-size: 1.6rem; }
.featured h2 a { text-decoration: none; }
.featured p { margin: 0 0 0.6rem; color: var(--ink-soft); }
.featured .more { margin-bottom: 0; }

/* ---------- Prose ---------- */
.prose { padding-top: 3.5rem; padding-bottom: 4rem; max-width: calc(var(--prose) + 3rem); }
.prose h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); margin: 0.3rem 0 1.2rem; }
.prose h2 { font-size: 1.4rem; margin: 2.4rem 0 0.6rem; }
.prose p { margin: 0 0 1.1rem; }
.prose.center { text-align: center; }
.prose.center .lead, .prose.center .hero-actions { margin-left: auto; margin-right: auto; }
.prose.center .hero-actions { justify-content: center; }

.ticks { list-style: none; padding: 0; margin: 0 0 1.4rem; }
.ticks li { padding-left: 1.5rem; position: relative; margin-bottom: 0.5rem; }
.ticks li::before { content: "—"; position: absolute; left: 0; color: var(--accent); }

.note { border-left: 3px solid var(--accent-2); padding: 0.4rem 0 0.4rem 1rem; color: var(--ink-soft); font-size: 0.98rem; }

/* ---------- Project list ---------- */
.project-list { display: grid; gap: 1.5rem; margin: 1.5rem 0 2rem; }
.project { border-top: 1px solid var(--line); padding-top: 1.2rem; }
.project h2 { margin: 0 0 0.4rem; }
.project p { margin: 0; color: var(--ink-soft); }

/* ---------- Article list (Journal) ---------- */
.article-list { list-style: none; padding: 0; margin: 0 0 4rem; display: grid; gap: 2.5rem; }
.article-teaser { border-top: 1px solid var(--line); padding-top: 1.5rem; max-width: calc(var(--prose) + 3rem); }
.article-teaser h2 { margin: 0.2rem 0 0.6rem; font-size: 1.6rem; }
.article-teaser h2 a { text-decoration: none; }
.article-teaser p { color: var(--ink-soft); margin: 0 0 0.6rem; }
.more { font-size: 0.95rem; text-decoration: none; }

/* ---------- Contact form ---------- */
.contact-form { margin-top: 1.5rem; max-width: var(--prose); }
.field { margin-bottom: 1rem; }
.field label { display: block; font-size: 0.85rem; letter-spacing: 0.04em; margin-bottom: 0.3rem; color: var(--ink-soft); }
.field input, .field textarea {
    width: 100%; padding: 0.6rem 0.7rem; border: 1px solid var(--line); border-radius: 2px;
    background: #fff; font: inherit; color: var(--ink);
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--accent); border-color: var(--accent); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--paper-2); margin-top: 3rem; }
.site-footer .wrap { padding-top: 2.5rem; padding-bottom: 2.5rem; }
.foot-cols { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1.5rem; }
.foot-cols p { margin: 0.4rem 0 0; max-width: 28ch; }
.site-footer nav ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.4rem; }
.site-footer nav a { text-decoration: none; color: var(--ink-soft); font-size: 0.95rem; }
.site-footer nav a:hover { color: var(--ink); }
.copyright { margin-top: 2rem; font-size: 0.85rem; }

.muted { color: var(--ink-soft); }

@media (max-width: 600px) {
    body { font-size: 17px; }
    .site-header .wrap { flex-direction: column; align-items: flex-start; }
}