/* ==========================================================
   DE-Group – Website Styles
   Farben & Schriften zentral über Variablen steuerbar
   ========================================================== */

@font-face {
    font-family: 'Montserrat';
    src: url('../fonts/Montserrat-Variable.ttf') format('truetype');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

:root {
    --pink:        #E6007E;
    --pink-dark:   #B80065;
    --pink-soft:   #FCE6F2;
    --black:       #111111;
    --text:        #2A2A2A;
    --muted:       #6B6B6B;
    --line:        #E7E7E7;
    --bg:          #FFFFFF;
    --bg-alt:      #F6F6F7;
    --radius:      10px;
    --shadow:      0 10px 30px rgba(17, 17, 17, .07);
    --font:        'Montserrat', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
    --container:   1180px;
    --header-h:    86px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--pink); text-decoration: none; }
a:hover { color: var(--pink-dark); }

h1, h2, h3 { color: var(--black); line-height: 1.2; margin: 0 0 .6em; font-weight: 700; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); letter-spacing: -.01em; }
h3 { font-size: 1.2rem; }
p  { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.narrow    { max-width: 820px; }

.eyebrow {
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--pink);
    margin-bottom: .8em;
}
.accent { color: var(--pink); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 14px 28px;
    background: var(--pink);
    color: #fff;
    border: 2px solid var(--pink);
    border-radius: 4px;
    font: 600 .9rem/1 var(--font);
    letter-spacing: .06em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background .2s, color .2s, transform .2s;
}
.btn:hover { background: var(--pink-dark); border-color: var(--pink-dark); color: #fff; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--black); border-color: var(--black); }
.btn-outline:hover { background: var(--black); border-color: var(--black); color: #fff; }
.btn-small { padding: 10px 18px; font-size: .78rem; }

/* ---------- Header ---------- */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(8px);
    border-bottom: 2px solid var(--pink);
    transition: box-shadow .2s;
}
.site-header.scrolled { box-shadow: var(--shadow); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-h); gap: 24px; }

.brand { display: flex; align-items: center; gap: 14px; color: var(--black); }
.brand:hover { color: var(--black); }
.brand-logo { height: 44px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 1.45rem; font-weight: 700; letter-spacing: -.01em; }
.brand-text small { font-size: .6rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; margin-top: 3px; color: var(--black); }

.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a:not(.btn) { color: var(--black); font-weight: 500; font-size: .93rem; position: relative; }
.main-nav a:not(.btn)::after {
    content: ''; position: absolute; left: 0; bottom: -4px; width: 0; height: 2px;
    background: var(--pink); transition: width .2s;
}
.main-nav a:not(.btn):hover::after { width: 100%; }

.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--black); margin: 6px 0; transition: transform .25s, opacity .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Glasfaser-Dekor ---------- */
.fiber {
    position: absolute; right: 0; top: 0;
    width: 62%; height: 100%;
    color: var(--pink);
    pointer-events: none;
    opacity: .9;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    overflow: hidden;
    padding: clamp(80px, 12vw, 150px) 0 0;
    background: linear-gradient(180deg, #fff 0%, #FAFAFB 100%);
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero-content { max-width: 680px; }
.hero .lead { font-size: 1.12rem; color: var(--muted); max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero-media img { border-radius: var(--radius); box-shadow: var(--shadow); }

.tagline {
    position: relative; z-index: 1;
    display: flex; justify-content: center; flex-wrap: wrap; gap: 0 28px;
    margin: clamp(70px, 10vw, 120px) 0 0;
    padding: 28px 24px;
    border-top: 1px solid var(--line);
    background: rgba(255,255,255,.85);
    font-weight: 600; letter-spacing: .35em; text-transform: uppercase;
    color: var(--black); font-size: .9rem;
}
.tagline .sep { color: var(--pink); letter-spacing: 0; }

/* ---------- Sections ---------- */
.section { position: relative; padding: clamp(70px, 9vw, 120px) 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 720px; margin-bottom: 52px; }
.section-head h2 { position: relative; padding-bottom: 18px; }
.section-head h2::after { content: ''; position: absolute; left: 0; bottom: 0; width: 64px; height: 3px; background: var(--pink); }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.card {
    background: #fff;
    border: 1px solid var(--line);
    border-top: 3px solid var(--pink);
    border-radius: var(--radius);
    padding: 36px 30px;
    transition: transform .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 50%; background: var(--pink-soft); color: var(--pink); margin-bottom: 22px; }
.card-icon svg { width: 26px; height: 26px; }
.card p { color: var(--muted); margin: 0; }

/* Bereiche */
.sectors { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.sector { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.sector-media { aspect-ratio: 16 / 10; background: var(--black); overflow: hidden; }
.sector-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.sector:hover .sector-media img { transform: scale(1.04); }
.sector-placeholder {
    width: 100%; height: 100%; display: grid; place-items: center; color: var(--pink);
    background: radial-gradient(circle at 70% 30%, #2a2a2a 0%, #111 70%);
}
.sector-placeholder svg { width: 70px; height: 70px; }
.sector-body { padding: 28px 28px 22px; }
.sector-body h3 { margin-bottom: .4em; }
.sector-body p { color: var(--muted); }

/* Steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; counter-reset: s; }
.step { position: relative; padding-top: 26px; border-top: 2px solid var(--line); }
.step::before { content: ''; position: absolute; top: -2px; left: 0; width: 48px; height: 2px; background: var(--pink); }
.step-nr { display: block; font-size: 2.6rem; font-weight: 800; color: var(--pink); line-height: 1; margin-bottom: 14px; }
.step p { color: var(--muted); margin: 0; }

/* Split / About */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; position: relative; z-index: 1; }
.about-media img { border-radius: var(--radius); margin-bottom: 24px; box-shadow: var(--shadow); }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.stat { background: #fff; border-left: 3px solid var(--pink); padding: 24px; border-radius: 0 var(--radius) var(--radius) 0; box-shadow: var(--shadow); }
.stat strong { display: block; font-size: 1.9rem; font-weight: 800; color: var(--black); line-height: 1.1; }
.stat span { color: var(--muted); font-size: .9rem; }

/* Kontakt (dunkel) */
.section-dark { background: var(--black); color: #D8D8D8; overflow: hidden; }
.section-dark h2 { color: #fff; }
.section-dark .fiber { opacity: .35; width: 55%; }
.contact-list { list-style: none; padding: 0; margin: 30px 0 0; }
.contact-list li { padding: 14px 0; border-bottom: 1px solid #2c2c2c; }
.contact-list strong { color: #fff; }
.contact-list a { color: #fff; }
.contact-list a:hover { color: var(--pink); }

.contact-form { background: #fff; color: var(--text); padding: 36px; border-radius: var(--radius); display: grid; gap: 16px; }
.contact-form label { display: grid; gap: 6px; font-size: .85rem; font-weight: 600; color: var(--black); }
.contact-form input[type=text],
.contact-form input[type=email],
.contact-form input[type=tel],
.contact-form textarea {
    width: 100%; padding: 12px 14px;
    border: 1px solid #D5D5D5; border-radius: 6px;
    font: 400 .95rem var(--font); color: var(--text); background: #fff;
    transition: border-color .2s, box-shadow .2s;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--pink); box-shadow: 0 0 0 3px var(--pink-soft); }
.contact-form textarea { resize: vertical; }
.contact-form .checkbox { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--muted); }
.contact-form .checkbox input { margin-top: 5px; accent-color: var(--pink); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hp { position: absolute; left: -9999px; }

.alert { padding: 14px 16px; border-radius: 6px; font-size: .9rem; }
.alert-success { background: #E8F7EE; color: #17643A; }
.alert-error   { background: var(--pink-soft); color: var(--pink-dark); }

/* Rechtstexte */
.legal h1 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin-bottom: 1em; }

/* Footer */
.site-footer { background: #0A0A0A; color: #8A8A8A; font-size: .85rem; padding: 26px 0; border-top: 2px solid var(--pink); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.site-footer nav { display: flex; gap: 22px; }
.site-footer a { color: #BDBDBD; }
.site-footer a:hover { color: var(--pink); }

/* Animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}

/* ---------- Mobile Aktionsleiste ---------- */
.mobile-cta { display: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
    .cards, .sectors { grid-template-columns: 1fr 1fr; }
    .steps { grid-template-columns: 1fr 1fr; }
    .hero-inner { grid-template-columns: 1fr; }
    .fiber { width: 100%; opacity: .35; }
}

@media (max-width: 820px) {
    :root { --header-h: 68px; }
    .site-header { backdrop-filter: none; background: #fff; } /* sonst wird das fixierte Menü am Header verankert */
    .brand { gap: 10px; }
    .brand-logo { height: 34px; }
    .brand-text strong { font-size: 1.2rem; }
    .brand-text small { display: none; }

    /* Vollbild-Menü */
    .nav-toggle { display: block; position: relative; z-index: 2; }
    .main-nav {
        position: fixed; inset: var(--header-h) 0 0 0;
        flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 0;
        padding: 12px 0 calc(24px + env(safe-area-inset-bottom));
        background: #fff;
        opacity: 0; visibility: hidden; transform: translateY(-10px);
        transition: opacity .25s, transform .25s, visibility .25s;
        overflow-y: auto;
    }
    .main-nav.open { opacity: 1; visibility: visible; transform: none; }
    .main-nav a:not(.btn) {
        padding: 20px 28px; border-bottom: 1px solid var(--line);
        font-size: 1.3rem; font-weight: 600;
        display: flex; justify-content: space-between; align-items: center;
    }
    .main-nav a:not(.btn)::after {
        content: '→'; position: static; width: auto; height: auto; background: none;
        color: var(--pink); font-weight: 400;
    }
    .main-nav .btn { margin: 28px 28px 0; padding: 18px; text-align: center; font-size: .95rem; }
    body.nav-open { overflow: hidden; }

    /* Hero kompakter */
    .hero { padding-top: 56px; }
    .hero h1 { font-size: clamp(2rem, 8.5vw, 2.6rem); }
    .hero .lead { font-size: 1rem; }
    .hero-actions .btn { flex: 1 1 auto; text-align: center; padding: 16px 20px; }
    .fiber { width: 140%; right: -40%; opacity: .28; }
    .tagline { margin-top: 56px; letter-spacing: .16em; font-size: .72rem; gap: 0 10px; padding: 20px 12px; }

    .section { padding: 64px 0; }
    .section-head { margin-bottom: 36px; }
    .split { grid-template-columns: 1fr; gap: 40px; }

    /* Horizontal wischbare Karten */
    .cards, .sectors {
        display: flex; gap: 16px;
        overflow-x: auto; scroll-snap-type: x mandatory;
        margin: 0 -24px; padding: 4px 24px 18px;
        scrollbar-width: none; -webkit-overflow-scrolling: touch;
    }
    .cards::-webkit-scrollbar, .sectors::-webkit-scrollbar { display: none; }
    .card, .sector { flex: 0 0 82%; scroll-snap-align: start; }
    .card { padding: 30px 24px; }
    .card:hover { transform: none; }

    /* Formular: iOS-Zoom verhindern, größere Touch-Flächen */
    .contact-form input[type=text],
    .contact-form input[type=email],
    .contact-form input[type=tel],
    .contact-form textarea { font-size: 16px; padding: 14px; }
    .contact-form .btn { width: 100%; padding: 18px; }

    /* Sticky Aktionsleiste */
    .mobile-cta {
        display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
        background: #fff; border-top: 1px solid var(--line);
        box-shadow: 0 -6px 20px rgba(0,0,0,.08);
        padding-bottom: env(safe-area-inset-bottom);
        transform: translateY(100%); transition: transform .3s ease;
    }
    .mobile-cta.show { transform: none; }
    .mobile-cta a {
        flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px;
        padding: 10px 6px 11px; color: var(--black); font-size: .72rem; font-weight: 600;
    }
    .mobile-cta a + a { border-left: 1px solid var(--line); }
    .mobile-cta svg { width: 22px; height: 22px; color: var(--pink); }
    .mobile-cta a.primary { background: var(--pink); color: #fff; }
    .mobile-cta a.primary svg { color: #fff; }
    body { padding-bottom: calc(64px + env(safe-area-inset-bottom)); }
    .site-footer { padding-bottom: 30px; }
}

@media (max-width: 600px) {
    .container { padding: 0 20px; }
    .cards, .sectors { margin: 0 -20px; padding: 4px 20px 18px; }
    .steps { grid-template-columns: 1fr; gap: 0; }
    .step { padding: 22px 0 22px 72px; border-top: 0; border-left: 2px solid var(--line); margin-left: 4px; }
    .step::before { top: 22px; left: -2px; width: 2px; height: 40px; }
    .step-nr { position: absolute; left: 20px; top: 22px; font-size: 1.8rem; }
    .stats { gap: 12px; }
    .stat { padding: 18px 16px; }
    .stat strong { font-size: 1.5rem; }
    .form-row { grid-template-columns: 1fr; }
    .contact-form { padding: 22px 18px; }
    .footer-inner { flex-direction: column; text-align: center; }
}