/* Astelon – zentrales Stylesheet
   Farbwelt aus dem Logo: Navy + Blau-Verlauf, helles, klares Layout. */

:root {
    --ink: #14235A;
    --text: #3A4258;
    --muted: #6B7490;
    --accent: #2E6FE8;
    --accent-2: #35B4E8;
    --ground: #FFFFFF;
    --tint: #F4F7FC;
    --card: #FFFFFF;
    --border: #E1E7F2;
    --band-ink: #FFFFFF;
    --band: #14235A;
}
@media (prefers-color-scheme: dark) {
    :root {
        --ink: #E7ECF7;
        --text: #C0C8DC;
        --muted: #8B94AE;
        --accent: #5C93F5;
        --accent-2: #4FC3F0;
        --ground: #0E1526;
        --tint: #131C33;
        --card: #17203A;
        --border: #26304E;
        --band-ink: #E7ECF7;
        --band: #101A33;
    }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--ground);
    color: var(--text);
    /* Selbst gehostete Roboto (fonts.css) rendert Latein und Kyrillisch
       in allen Browsern identisch; Rest als Fallback. */
    font-family: "Roboto", "Helvetica Neue", "Segoe UI", Arial, sans-serif;
    line-height: 1.65;
    font-size: 16px;
}
h1, h2, h3, h4 { color: var(--ink); line-height: 1.25; text-wrap: balance; margin: 0; }
a { color: var(--accent); text-decoration: none; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px;
}
img { max-width: 100%; display: block; }
img.flag { display: inline-block; vertical-align: -0.1em; }

.wrap { max-width: 1240px; margin: 0 auto; padding: 0 1.5rem; }

/* ============ Header / Navigation ============ */
header.site {
    position: sticky; top: 0; z-index: 20;
    background: color-mix(in srgb, var(--ground) 90%, transparent);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
}
.nav {
    display: flex; align-items: center; gap: 1.6rem;
    padding: 0.7rem 1.5rem; max-width: 1240px; margin: 0 auto;
}
.brand {
    display: flex; align-items: center; gap: 0.6rem; color: var(--ink);
    font-weight: 700; letter-spacing: 0.08em; font-size: 1.05rem;
}
.brand img { height: 36px; width: 36px; }
.nav > ul { display: flex; gap: 1.2rem; list-style: none; margin: 0 0 0 auto; padding: 0; align-items: center; }
.nav > ul > li { position: relative; }
.nav a.nav-link { color: var(--text); font-size: 0.92rem; padding: 0.4em 0.1em; display: inline-block; }
.nav a.nav-link:hover { color: var(--accent); }
.nav a.nav-link.active { color: var(--accent); font-weight: 600; }
.nav .cta {
    background: linear-gradient(100deg, var(--accent), var(--accent-2));
    color: #fff; padding: 0.45em 1.1em; border-radius: 6px; font-weight: 600; font-size: 0.92rem;
}
/* Dropdown */
.nav li ul {
    display: none; position: absolute; top: 100%; left: -0.9rem;
    background: var(--card); border: 1px solid var(--border); border-radius: 9px;
    box-shadow: 0 12px 30px color-mix(in srgb, var(--ink) 12%, transparent);
    padding: 0.45rem; margin: 0; min-width: 210px; list-style: none;
}
.nav li:hover > ul, .nav li:focus-within > ul { display: block; }
.nav li ul a {
    display: block; padding: 0.45em 0.8em; border-radius: 6px;
    color: var(--text); font-size: 0.9rem; white-space: nowrap;
}
.nav li ul a:hover { background: var(--tint); color: var(--accent); }
.nav .caret::after { content: " ▾"; font-size: 0.75em; color: var(--muted); }
/* Mobile */
.nav-toggle {
    display: none; margin-left: auto; background: none; border: 1px solid var(--border);
    border-radius: 7px; padding: 0.4em 0.7em; color: var(--ink); font-size: 1.1rem; cursor: pointer;
}
@media (max-width: 1150px) {
    .nav-toggle { display: block; }
    .nav > ul {
        display: none; position: absolute; top: 100%; left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 0;
        background: var(--ground); border-bottom: 1px solid var(--border);
        padding: 0.6rem 1.5rem 1rem; box-shadow: 0 16px 30px color-mix(in srgb, var(--ink) 14%, transparent);
    }
    header.site.open .nav > ul { display: flex; }
    .nav li ul {
        display: block; position: static; border: none; box-shadow: none;
        padding: 0 0 0 1rem; background: none; min-width: 0;
    }
    .nav a.nav-link { padding: 0.5em 0; }
    .nav .cta { align-self: flex-start; margin-top: 0.5rem; }
}

/* ============ Hero (Startseite) ============ */
.hero {
    position: relative;
    background-size: cover;
    background-position: center right;
    border-bottom: 1px solid var(--border);
}
.hero .wrap { padding: 6.5rem 1.5rem 6rem; }
.eyebrow {
    text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem;
    color: #7FC4F5; font-weight: 700; margin: 0 0 1rem;
}
.hero h1 {
    color: #FFFFFF;
    font-size: clamp(2.1rem, 5vw, 3.4rem);
    letter-spacing: -0.02em; font-weight: 700; max-width: 15em;
    text-shadow: 0 2px 18px rgba(0, 0, 0, 0.35);
}
.hero h1 .grad {
    background: linear-gradient(100deg, #6FA5F5, #4FC9F5);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead {
    color: rgba(255, 255, 255, 0.88); max-width: 33em;
    font-size: 1.12rem; margin: 1.3rem 0 2.3rem;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.3);
}
.actions { display: flex; gap: 0.9rem; flex-wrap: wrap; }

.btn {
    display: inline-block; padding: 0.7em 1.5em; border-radius: 7px;
    font-weight: 600; font-size: 0.97rem; border: 1px solid transparent; cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    font-family: inherit;
}
.btn-primary { background: linear-gradient(100deg, var(--accent), var(--accent-2)); color: #fff; }
.btn-secondary { border-color: var(--border); color: var(--ink); background: var(--card); }
.btn-ghost { border-color: rgba(255, 255, 255, 0.55); color: #fff; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 25%, transparent); }

/* ============ Seiten-Banner (wie Original: Bild in voller Breite oben) ============ */
.page-banner img { width: 100%; max-height: 380px; object-fit: cover; }
.page-cover {
    background-size: cover; background-position: center;
    border-bottom: 1px solid var(--border);
}
.page-cover .wrap { padding: 5.5rem 1.5rem; }
.page-cover h1 {
    color: #fff; font-size: clamp(1.9rem, 4vw, 2.8rem);
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.45);
}
.page-head .wrap { padding: 3rem 1.5rem 0.5rem; }
.page-head h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); letter-spacing: -0.015em; }

/* ============ Inhaltsbereiche ============ */
.section .wrap { padding: 3rem 1.5rem; }
.section h2 { font-size: 1.55rem; letter-spacing: -0.01em; margin-bottom: 1rem; }
.section h3 { font-size: 1.15rem; margin: 1.6rem 0 0.5rem; }
.section p { max-width: 46em; }
.section ul { max-width: 46em; }
.section .center { text-align: center; }
.section img.inline-img {
    margin: 1.5rem auto; border-radius: 10px;
    border: 1px solid var(--border);
}
.img-row {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.9rem;
    margin: 1.8rem auto; max-width: 42em;
}
.img-row.two { grid-template-columns: repeat(2, 1fr); max-width: 27.5em; }
.img-row img {
    width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
    border-radius: 10px; border: 1px solid var(--border);
}
@media (max-width: 700px) { .img-row { grid-template-columns: 1fr; } }
.tinted { background: var(--tint); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* Teaser-Reihen (Übersichtsseiten) */
.teasers { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.3rem; margin-top: 1.5rem; }
@media (max-width: 760px) { .teasers { grid-template-columns: 1fr; } }
.teaser {
    background: var(--card); border: 1px solid var(--border); border-radius: 10px;
    padding: 1.6rem 1.5rem 1.4rem; display: flex; flex-direction: column; gap: 0.7rem;
    transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.teaser:hover {
    transform: translateY(-3px); border-color: var(--accent);
    box-shadow: 0 10px 26px color-mix(in srgb, var(--accent) 12%, transparent);
}
.teaser h3 { margin: 0; font-size: 1.1rem; }
.teaser p { margin: 0; font-size: 0.94rem; flex: 1; }
.teaser .more { font-weight: 600; font-size: 0.92rem; }
.teaser .more::after { content: " →"; }

/* Karten mit Icon (Startseite) */
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem; }
@media (max-width: 980px) { .grid3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid3 { grid-template-columns: 1fr; } }
.card .icon {
    width: 40px; height: 40px; border-radius: 8px; display: grid; place-items: center;
    background: color-mix(in srgb, var(--accent) 11%, var(--card));
    color: var(--accent);
}
.card {
    background: var(--card); border: 1px solid var(--border); border-radius: 10px;
    padding: 1.6rem 1.5rem 1.4rem; display: flex; flex-direction: column; gap: 0.7rem;
    transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.card:hover {
    transform: translateY(-3px); border-color: var(--accent);
    box-shadow: 0 10px 26px color-mix(in srgb, var(--accent) 12%, transparent);
}
.card h3 { font-size: 1.08rem; }
.card .step-num {
    font-size: 1.6rem; font-weight: 700; color: var(--accent);
    font-variant-numeric: tabular-nums; line-height: 1;
}
.card p { margin: 0; font-size: 0.93rem; flex: 1; }
.card .more { font-weight: 600; font-size: 0.92rem; }
.card .more::after { content: " →"; }

/* ============ Preis-Karten ============ */
.prices {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.3rem; margin-top: 1.8rem;
}
.price {
    background: var(--card); border: 1px solid var(--border); border-radius: 12px;
    padding: 1.5rem 1.4rem; display: flex; flex-direction: column; gap: 0.9rem;
    transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.price:hover {
    transform: translateY(-3px); border-color: var(--accent);
    box-shadow: 0 10px 26px color-mix(in srgb, var(--accent) 12%, transparent);
}
.price h3 { font-size: 1.12rem; }
.price ul {
    list-style: none; margin: 0; padding: 0; flex: 1;
    display: grid; gap: 0.35rem; font-size: 0.92rem;
}
.price ul li { padding-left: 1.2em; position: relative; }
.price ul li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.price .amount {
    font-size: 1.35rem; font-weight: 700; color: var(--ink);
    font-variant-numeric: tabular-nums; letter-spacing: -0.01em;
}
.price .amount small { font-size: 0.68rem; font-weight: 400; color: var(--muted); display: block; letter-spacing: 0; }
.price .btn { text-align: center; }
.prices-note { font-size: 0.85rem; color: var(--muted); margin-top: 1.3rem; }

/* Tarif-Karten (VoIP) – breiter, mit ausführlicher Liste */
.tariffs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.3rem; margin-top: 1.8rem; }
@media (max-width: 860px) { .tariffs { grid-template-columns: 1fr; } }
.tariff {
    background: var(--card); border: 1px solid var(--border); border-radius: 12px;
    padding: 1.6rem 1.6rem 1.5rem; display: flex; flex-direction: column; gap: 1rem;
}
.tariff header { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.tariff h3 { font-size: 1.15rem; }
.tariff .amount { font-size: 1.25rem; font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; }
.tariff .amount small { font-size: 0.7rem; font-weight: 400; color: var(--muted); display: block; text-align: right; }
.tariff ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.4rem; font-size: 0.92rem; flex: 1; }
.tariff ul li { padding-left: 1.2em; position: relative; }
.tariff ul li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.tariff ul li.minus::before { content: "·"; }
.tariff .btn { align-self: flex-start; }

/* Kacheln mit Link oder Button unten sind als Ganzes klickbar:
   der Link erhält eine unsichtbare Klickfläche über die gesamte Kachel. */
.card, .teaser, .price, .tariff { position: relative; }
.card .more::before, .teaser .more::before,
.price .btn::before, .tariff .btn::before {
    content: "";
    position: absolute;
    inset: 0;
}

/* ============ Fakten-Leiste ============ */
.facts { background: var(--tint); border-bottom: 1px solid var(--border); }
.facts .wrap {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
    padding: 1.9rem 1.5rem;
}
.fact b {
    display: block; color: var(--ink); font-size: 1.45rem; font-weight: 700;
    font-variant-numeric: tabular-nums; letter-spacing: -0.01em;
}
.fact span { font-size: 0.87rem; color: var(--muted); }
@media (max-width: 760px) { .facts .wrap { grid-template-columns: repeat(2, 1fr); } }

/* ============ CTA-Band ============ */
.band { background: var(--band); }
.band .wrap {
    padding: 3.2rem 1.5rem; display: flex; align-items: center; gap: 2rem; flex-wrap: wrap;
}
.band h2 { color: var(--band-ink); font-size: 1.5rem; flex: 1 1 20em; }
.band p { color: color-mix(in srgb, var(--band-ink) 75%, transparent); margin: 0.4rem 0 0; }

/* ============ Adress-Karten (Standorte) ============ */
.locations { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.3rem; margin-top: 1.5rem; }
@media (max-width: 760px) { .locations { grid-template-columns: 1fr; } }
.location {
    background: var(--card); border: 1px solid var(--border); border-radius: 12px;
    padding: 1.6rem 1.6rem 1.5rem;
}
.location h3 { margin-bottom: 0.8rem; }
.location address { font-style: normal; line-height: 1.8; }
.location .badge {
    display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--accent);
    background: color-mix(in srgb, var(--accent) 11%, var(--card));
    border-radius: 5px; padding: 0.15em 0.6em; margin-bottom: 0.6rem;
}
.location-wide {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem;
    padding: 2rem 2.2rem;
}
.location-wide h3 {
    font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.12em;
    color: var(--accent); margin-bottom: 0.7rem;
}
@media (max-width: 760px) { .location-wide { grid-template-columns: 1fr; gap: 1.4rem; } }

/* ============ Formular (Kontakt) ============ */
form.contact { max-width: 40em; display: grid; gap: 1.1rem; margin-top: 1.5rem; }
form.contact label { font-weight: 600; color: var(--ink); font-size: 0.92rem; display: grid; gap: 0.35rem; }
form.contact input, form.contact select, form.contact textarea {
    font: inherit; color: var(--text);
    background: var(--card); border: 1px solid var(--border); border-radius: 8px;
    padding: 0.6em 0.8em; width: 100%;
}
form.contact textarea { min-height: 10em; resize: vertical; }
form.contact .btn { justify-self: start; }
.form-note { font-size: 0.85rem; color: var(--muted); }
.alert {
    max-width: 40em; border: 1px solid var(--accent); border-radius: 9px;
    background: color-mix(in srgb, var(--accent) 8%, var(--card));
    padding: 0.9em 1.2em; margin-top: 1.5rem; color: var(--ink);
}

/* ============ Fliesstext-Seiten (Rechtliches, Unternehmen) ============ */
.prose { max-width: 46em; }
.prose h2 { font-size: 1.3rem; margin: 2.2rem 0 0.7rem; }
.prose h3 { font-size: 1.1rem; margin: 1.8rem 0 0.5rem; }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }
.prose table { border-collapse: collapse; width: 100%; font-size: 0.92rem; }
.prose table td, .prose table th { border: 1px solid var(--border); padding: 0.4em 0.7em; }

/* ============ Footer ============ */
footer.site { background: var(--tint); border-top: 1px solid var(--border); margin-top: 3rem; }
footer.site .wrap {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem;
    padding: 3rem 1.5rem 2.4rem;
}
footer.site h4 {
    font-size: 0.8rem; text-transform: uppercase;
    letter-spacing: 0.12em; margin: 0 0 0.8rem;
}
footer.site ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.45rem; }
footer.site a { color: var(--text); font-size: 0.92rem; }
footer.site a:hover { color: var(--accent); }
footer.site .addr { font-size: 0.92rem; font-style: normal; line-height: 1.7; }
footer.site .legal {
    grid-column: 1 / -1; border-top: 1px solid var(--border);
    padding-top: 1.3rem; font-size: 0.82rem; color: var(--muted);
}
@media (max-width: 760px) { footer.site .wrap { grid-template-columns: 1fr 1fr; } }

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