/* =========================================================================
   Funkübung Marketing-Webseite
   Komplett lokal: keine externen Fonts, kein CDN.
   ========================================================================= */

:root {
    --c-bg:        #0b1120;
    --c-bg-soft:   #111a2e;
    --c-surface:   #ffffff;
    --c-text:      #1a2233;
    --c-text-soft: #56607a;
    --c-muted:     #8a93a8;
    --c-line:      #e3e7ef;

    --c-primary:   #d7282f; /* Feuerwehr-Rot */
    --c-primary-d: #ad1f25;
    --c-accent:    #f4a300; /* Signalgelb */
    --c-ok:        #1f9d57;

    --radius:      14px;
    --radius-sm:   9px;
    --shadow:      0 10px 30px -12px rgba(11, 17, 32, .25);
    --shadow-sm:   0 4px 14px -6px rgba(11, 17, 32, .18);

    --maxw:        1140px;
    --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
            Arial, "Noto Sans", sans-serif;
    --font-mono: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo,
            Consolas, "Liberation Mono", monospace;
}

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

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

body {
    margin: 0;
    font-family: var(--font);
    color: var(--c-text);
    background: var(--c-surface);
    line-height: 1.65;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.2; color: var(--c-text); font-weight: 800; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); letter-spacing: -.01em; }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1rem; }
a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

.skip-link {
    position: absolute; left: -999px; top: 0; z-index: 100;
    background: var(--c-primary); color: #fff; padding: .6rem 1rem; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .8rem 1.5rem; border-radius: 999px;
    font-weight: 700; font-size: .98rem; cursor: pointer;
    border: 2px solid transparent; transition: transform .12s ease, background .15s ease, box-shadow .15s ease;
    text-decoration: none; line-height: 1;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--c-primary); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--c-primary-d); color: #fff; }
.btn-ghost { background: transparent; color: var(--c-text); border-color: var(--c-line); }
.btn-ghost:hover { border-color: var(--c-primary); color: var(--c-primary); }
.btn-light { background: #fff; color: var(--c-primary); }
.btn-light:hover { background: #fff; color: var(--c-primary-d); }
.btn-lg { padding: 1rem 2rem; font-size: 1.05rem; }

/* ---------- Header / Nav ---------- */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255,255,255,.92);
    backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid var(--c-line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: inline-flex; align-items: center; gap: .55rem; color: var(--c-text); font-size: 1.25rem; }
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--c-primary); display: inline-flex; }
.brand-text { font-weight: 700; }
.brand-text strong { color: var(--c-primary); font-weight: 800; }

.primary-nav { display: flex; align-items: center; gap: 1.5rem; }
.primary-nav a { color: var(--c-text-soft); font-weight: 600; font-size: .97rem; }
.primary-nav a:hover { color: var(--c-primary); text-decoration: none; }
.primary-nav a.is-active { color: var(--c-primary); }
.primary-nav .nav-cta { color: inherit; }

.nav-toggle {
    display: none; flex-direction: column; gap: 5px; background: none; border: 0;
    padding: 8px; cursor: pointer;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--c-text); border-radius: 2px; transition: .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Sections ---------- */
section { padding: 5rem 0; }
.section-tight { padding: 3.5rem 0; }
.section-head { max-width: 720px; margin: 0 auto 3rem; text-align: center; }
.section-head p { color: var(--c-text-soft); font-size: 1.1rem; margin: .75rem 0 0; }

.eyebrow {
    display: inline-block; font-size: .8rem; font-weight: 800; letter-spacing: .12em;
    text-transform: uppercase; color: var(--c-primary); margin-bottom: .75rem;
}

/* ---------- Hero ---------- */
.hero {
    position: relative; color: #eef2fb;
    background:
        radial-gradient(900px 500px at 80% -10%, rgba(215,40,47,.32), transparent 60%),
        radial-gradient(700px 500px at 0% 110%, rgba(244,163,0,.16), transparent 55%),
        var(--c-bg);
    overflow: hidden;
}
.hero::after {
    content: ""; position: absolute; inset: 0;
    background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 46px 46px; mask-image: radial-gradient(circle at 50% 30%, #000, transparent 75%);
    pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 3rem; align-items: center; padding: 5.5rem 0; }
.hero h1 { color: #fff; }
.hero p.lead { font-size: 1.2rem; color: #c4cde2; max-width: 34rem; }
.hero .badge {
    display: inline-flex; align-items: center; gap: .5rem; font-size: .85rem; font-weight: 700;
    background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15);
    padding: .4rem .9rem; border-radius: 999px; color: #dfe6f5; margin-bottom: 1.25rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1.75rem; }
.hero-trust { margin-top: 2rem; font-size: .9rem; color: #95a1bd; }

.hero-card {
    background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.03));
    border: 1px solid rgba(255,255,255,.13); border-radius: var(--radius);
    padding: 1.5rem; box-shadow: var(--shadow);
}
.radio-line {
    display: flex; align-items: center; gap: .7rem; padding: .7rem .9rem; margin-bottom: .6rem;
    background: rgba(0,0,0,.25); border-radius: var(--radius-sm); font-family: var(--font-mono);
    font-size: .9rem; color: #d7def0;
}
.radio-line:last-child { margin-bottom: 0; }
.radio-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--c-ok); flex: none; box-shadow: 0 0 0 4px rgba(31,157,87,.18); }
.radio-dot.is-call { background: var(--c-accent); box-shadow: 0 0 0 4px rgba(244,163,0,.18); }
.radio-from { color: var(--c-accent); font-weight: 700; }

/* ---------- Feature grid ---------- */
.grid { display: grid; gap: 1.5rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
    background: var(--c-surface); border: 1px solid var(--c-line);
    border-radius: var(--radius); padding: 1.75rem;
    transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #d2d8e6; }
.card .ico {
    width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
    background: rgba(215,40,47,.1); color: var(--c-primary); margin-bottom: 1rem;
}
.card h3 { margin: 0 0 .5rem; }
.card p { color: var(--c-text-soft); margin: 0; font-size: .98rem; }

/* ---------- Steps ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; }
.step { position: relative; padding: 1.75rem; background: var(--c-bg-soft); color: #e7ecf8; border-radius: var(--radius); }
.step::before {
    counter-increment: step; content: counter(step);
    display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%;
    background: var(--c-primary); color: #fff; font-weight: 800; margin-bottom: 1rem;
}
.step h3 { color: #fff; }
.step p { color: #aeb8d0; margin: 0; font-size: .96rem; }

/* ---------- Pricing ---------- */
.pricing { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; align-items: stretch; }
.plan {
    display: flex; flex-direction: column; background: #fff; border: 1px solid var(--c-line);
    border-radius: var(--radius); padding: 2rem; position: relative;
}
.plan.is-featured { border-color: var(--c-primary); box-shadow: var(--shadow); }
.plan-tag {
    position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
    background: var(--c-primary); color: #fff; font-size: .78rem; font-weight: 800;
    padding: .3rem .85rem; border-radius: 999px; letter-spacing: .03em;
}
.plan h3 { font-size: 1.35rem; }
.plan .price { font-size: 2.3rem; font-weight: 800; margin: .4rem 0 .1rem; }
.plan .price small { font-size: .95rem; font-weight: 600; color: var(--c-muted); }
.plan .plan-sub { color: var(--c-text-soft); font-size: .95rem; margin-bottom: 1.25rem; }
.plan ul { list-style: none; padding: 0; margin: 0 0 1.75rem; display: grid; gap: .6rem; }
.plan li { display: flex; gap: .6rem; align-items: flex-start; font-size: .96rem; color: var(--c-text-soft); }
.plan li svg { color: var(--c-ok); flex: none; margin-top: 3px; }
.plan li.muted { color: var(--c-muted); }
.plan li.muted svg { color: var(--c-muted); }
.plan .btn { margin-top: auto; justify-content: center; }

/* ---------- Join / Code ---------- */
.join-wrap {
    max-width: 560px; margin: 0 auto; background: #fff; border: 1px solid var(--c-line);
    border-radius: var(--radius); padding: 2.5rem; box-shadow: var(--shadow); text-align: center;
}
.code-form { display: flex; gap: .6rem; margin: 1.5rem 0 .5rem; }
.code-form input {
    flex: 1; font-family: var(--font-mono); font-size: 1.3rem; letter-spacing: .15em;
    text-align: center; text-transform: uppercase; padding: .9rem 1rem;
    border: 2px solid var(--c-line); border-radius: var(--radius-sm); color: var(--c-text);
}
.code-form input:focus { outline: none; border-color: var(--c-primary); }
.code-hint { font-size: .9rem; color: var(--c-muted); }

/* ---------- CTA band ---------- */
.cta-band {
    background:
        radial-gradient(600px 300px at 90% 0%, rgba(244,163,0,.22), transparent 60%),
        var(--c-primary);
    color: #fff; text-align: center; border-radius: var(--radius);
    padding: 3.5rem 1.5rem;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #ffe6e2; max-width: 36rem; margin: .75rem auto 1.75rem; }

/* ---------- FAQ ---------- */
.faq { max-width: 780px; margin: 0 auto; }
.faq details {
    border: 1px solid var(--c-line); border-radius: var(--radius-sm);
    padding: 0 1.25rem; margin-bottom: .85rem; background: #fff;
}
.faq details[open] { border-color: var(--c-primary); }
.faq summary {
    list-style: none; cursor: pointer; font-weight: 700; padding: 1.1rem 0;
    display: flex; justify-content: space-between; gap: 1rem; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; color: var(--c-primary); font-weight: 400; line-height: 1; }
.faq details[open] summary::after { content: "×"; }
.faq details p { color: var(--c-text-soft); margin: 0 0 1.1rem; }

/* ---------- Prose (Legal) ---------- */
.prose { max-width: 780px; margin: 0 auto; }
.prose h2 { margin-top: 2.5rem; }
.prose h3 { margin-top: 1.75rem; }
.prose p, .prose li { color: var(--c-text-soft); }
.prose ul { padding-left: 1.25rem; }
.callout {
    background: #fff7ed; border: 1px solid #fed7aa; color: #9a3412;
    padding: 1rem 1.25rem; border-radius: var(--radius-sm); margin: 1.5rem 0;
}
.callout p { color: #9a3412; margin: 0; }

/* ---------- Page hero (Innenseiten) ---------- */
.page-hero { background: var(--c-bg); color: #fff; text-align: center; padding: 4rem 0 3.5rem; }
.page-hero h1 { color: #fff; }
.page-hero p { color: #aeb8d0; max-width: 40rem; margin: 1rem auto 0; font-size: 1.1rem; }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.bg-soft { background: #f7f8fb; }

/* ---------- Responsive ---------- */
@media (max-width: 1040px) {
    .steps { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; padding: 3.5rem 0; }
    .hero-card { order: -1; }
    .grid-3, .grid-2, .steps, .pricing { grid-template-columns: 1fr; }
    .nav-toggle { display: flex; }
    .primary-nav {
        position: fixed; inset: 70px 0 auto 0; flex-direction: column; align-items: stretch;
        gap: 0; background: #fff; border-bottom: 1px solid var(--c-line);
        padding: .5rem 1.25rem 1.25rem; transform: translateY(-130%);
        transition: transform .25s ease; box-shadow: var(--shadow);
    }
    .primary-nav.is-open { transform: translateY(0); }
    .primary-nav a { padding: .9rem 0; border-bottom: 1px solid var(--c-line); }
    .primary-nav .nav-cta { border-bottom: 0; margin-top: .75rem; justify-content: center; }
    .code-form { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* =========================================================================
   Erweiterung: Footer, Breadcrumb, Zielgruppen, Ratgeber, Artikel
   ========================================================================= */

/* ---------- Footer ---------- */
.site-footer { background: var(--c-bg); color: #c4cde2; padding: 3.5rem 0 0; }
.footer-grid {
    display: grid; gap: 2rem;
    grid-template-columns: 1.6fr repeat(4, 1fr);
    padding-bottom: 2.5rem;
}
.footer-brand .brand-text { color: #fff; font-size: 1.25rem; }
.footer-brand .brand-text strong { color: var(--c-primary); }
.footer-brand p { color: #95a1bd; font-size: .95rem; margin-top: .75rem; max-width: 22rem; }
.site-footer h3 {
    color: #fff; font-size: .82rem; letter-spacing: .1em; text-transform: uppercase;
    margin: 0 0 1rem;
}
.site-footer nav { display: flex; flex-direction: column; gap: .55rem; }
.site-footer nav a { color: #aeb8d0; font-size: .95rem; }
.site-footer nav a:hover { color: #fff; text-decoration: none; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.1); padding: 1.25rem 0;
    margin-top: 0;
}
.footer-bottom p { color: #7e8aa6; font-size: .85rem; margin: 0; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { background: #f7f8fb; border-bottom: 1px solid var(--c-line); font-size: .9rem; }
.breadcrumb .container { padding-top: .85rem; padding-bottom: .85rem; }
.breadcrumb a { color: var(--c-text-soft); }
.breadcrumb a:hover { color: var(--c-primary); }
.breadcrumb span[aria-current] { color: var(--c-text); font-weight: 600; }
.breadcrumb-sep { color: var(--c-muted); margin: 0 .55rem; }

/* ---------- Generischer Lead ---------- */
.lead { font-size: 1.18rem; color: var(--c-text-soft); }
.page-hero .lead, .page-hero p.lead { color: #c4cde2; }

/* ---------- Zielgruppen-Chooser ---------- */
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.audience-card {
    display: flex; flex-direction: column; background: #fff; border: 1px solid var(--c-line);
    border-radius: var(--radius); padding: 1.9rem; transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.audience-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #d2d8e6; }
.audience-card .pill {
    align-self: flex-start; font-size: .72rem; font-weight: 800; letter-spacing: .08em;
    text-transform: uppercase; color: var(--c-primary); background: rgba(215,40,47,.1);
    padding: .3rem .7rem; border-radius: 999px; margin-bottom: 1rem;
}
.audience-card h3 { font-size: 1.2rem; margin: 0 0 .6rem; }
.audience-card p { color: var(--c-text-soft); font-size: .97rem; margin: 0 0 1rem; }
.audience-card ul { list-style: none; padding: 0; margin: 0 0 1.5rem; display: grid; gap: .45rem; }
.audience-card li { display: flex; gap: .55rem; align-items: flex-start; font-size: .93rem; color: var(--c-text-soft); }
.audience-card li::before { content: "›"; color: var(--c-primary); font-weight: 800; }
.audience-card .btn { margin-top: auto; align-self: flex-start; }

/* ---------- Inhaltsverzeichnis (Ratgeber) ---------- */
.toc {
    background: #f7f8fb; border: 1px solid var(--c-line); border-radius: var(--radius-sm);
    padding: 1.25rem 1.5rem; margin: 0 0 2.5rem;
}
.toc h2 { font-size: 1rem; margin: 0 0 .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--c-text-soft); }
.toc ol { margin: 0; padding-left: 1.2rem; display: grid; gap: .4rem; }
.toc a { color: var(--c-text-soft); }
.toc a:hover { color: var(--c-primary); }

/* ---------- Artikel-Meta & Prose-Ergänzungen ---------- */
.article-meta { color: var(--c-muted); font-size: .9rem; margin: 0 0 2rem; }
.article-meta strong { color: var(--c-text-soft); }
.prose h2 { scroll-margin-top: 90px; }
.prose h3 { scroll-margin-top: 90px; }
.prose .lead { color: var(--c-text); font-size: 1.18rem; }
.prose ol { padding-left: 1.25rem; }
.prose ol li, .prose ul li { margin: .35rem 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: .95rem; }
.prose th, .prose td { border: 1px solid var(--c-line); padding: .6rem .8rem; text-align: left; }
.prose th { background: #f7f8fb; }
.prose blockquote {
    border-left: 3px solid var(--c-primary); margin: 1.5rem 0; padding: .25rem 1.25rem;
    color: var(--c-text-soft); font-style: italic;
}
.note {
    background: #f0f7ff; border: 1px solid #c5ddf7; color: #1d4e7a;
    padding: 1rem 1.25rem; border-radius: var(--radius-sm); margin: 1.75rem 0;
}
.note p { margin: 0; color: inherit; }
.note strong { color: inherit; }

/* ---------- Ratgeber-Liste ---------- */
.post-list { display: grid; gap: 1.25rem; max-width: 820px; margin: 0 auto; }
.post-item {
    display: block; background: #fff; border: 1px solid var(--c-line);
    border-radius: var(--radius); padding: 1.6rem 1.75rem;
    transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.post-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: #d2d8e6; text-decoration: none; }
.post-item .kicker { color: var(--c-primary); font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.post-item h3 { margin: .35rem 0 .4rem; font-size: 1.2rem; }
.post-item p { color: var(--c-text-soft); margin: 0; font-size: .97rem; }

/* ---------- Nächste-Schritte / verwandte Artikel ---------- */
.related { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.related a {
    background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-sm);
    padding: 1.1rem 1.25rem; color: var(--c-text); font-weight: 600; font-size: .95rem;
}
.related a:hover { border-color: var(--c-primary); color: var(--c-primary); text-decoration: none; }

/* ---------- Responsive Ergänzungen ---------- */
@media (max-width: 1040px) {
    .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
    .audience-grid, .related { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}