/* ===== LINOVIA WEBSITE - STYLE.CSS ===== */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: #1e293b; line-height: 1.6; overflow-x: hidden; background: #fff;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* --- Variables --- */
:root {
    --primary: #5B8BA0; --primary-light: #6FA3B8; --primary-dark: #4a7a8f;
    --primary-bg: #f0f7fa; --text: #1e293b; --text-light: #64748b; --text-lighter: #94a3b8;
    --bg: #ffffff; --bg-alt: #f8fafc; --border: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.06); --shadow: 0 4px 16px rgba(0,0,0,.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,.12);
    --radius: 12px; --radius-lg: 20px; --transition: .3s ease;
}

/* --- Container --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* --- Section --- */
.section { padding: 100px 0; }
.section-header { text-align: center; max-width: 640px; margin: 0 auto 60px; }
.section-badge {
    display: inline-block; padding: 6px 16px; border-radius: 50px;
    background: var(--primary-bg); color: var(--primary); font-size: .85rem;
    font-weight: 600; margin-bottom: 16px; letter-spacing: .5px;
}
.section-badge i { margin-right: 4px; }
.section-header h2 { font-size: 2.4rem; font-weight: 800; margin-bottom: 16px; color: var(--text); }
.section-header p { font-size: 1.1rem; color: var(--text-light); }

/* --- Buttons --- */
.btn {
    display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px;
    border-radius: 10px; font-weight: 600; font-size: .95rem;
    transition: var(--transition); cursor: pointer; border: 2px solid transparent;
    text-align: center; justify-content: center;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-outline-light { background: rgba(255,255,255,.15); color: #fff; border-color: rgba(255,255,255,.4); }
.btn-outline-light:hover { background: #fff; color: var(--primary); transform: translateY(-2px); }
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-block { width: 100%; }

/* --- Navbar --- */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 16px 0; transition: var(--transition); background: transparent;
}
.navbar.scrolled {
    background: rgba(255,255,255,.95); backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0,0,0,.06); padding: 10px 0;
}
.nav-container { display: flex; align-items: center; justify-content: space-between; }
.nav-logo svg { height: 36px; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links li a { font-size: .9rem; font-weight: 500; color: var(--text-light); transition: var(--transition); }
.nav-links li a:hover, .nav-links li a.active { color: var(--primary); }
.nav-cta { background: var(--primary) !important; color: #fff !important; padding: 10px 24px !important; border-radius: 10px !important; }
.nav-cta:hover { background: var(--primary-dark) !important; transform: translateY(-1px); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* --- Hero with Background Image --- */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding: 120px 0 80px; overflow: hidden; }
.hero-bg-image { position: absolute; inset: 0; }
.hero-bg-image img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,23,42,.82) 0%, rgba(30,41,59,.7) 50%, rgba(91,139,160,.5) 100%); }
.hero-content-overlay { position: relative; z-index: 2; }
.hero-content-overlay .hero-text { max-width: 700px; }
.hero-content-overlay .hero-badge { background: rgba(255,255,255,.15); color: #fff; }
.hero-content-overlay h1 { font-size: 3.2rem; font-weight: 900; line-height: 1.1; margin-bottom: 24px; color: #fff; }
.gradient-text-light { background: linear-gradient(135deg, #6FA3B8, #93c5fd); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-content-overlay .hero-subtitle { font-size: 1.15rem; color: rgba(255,255,255,.8); margin-bottom: 36px; max-width: 560px; }
.hero-actions { display: flex; gap: 16px; margin-bottom: 48px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; }
.hero-stat { text-align: center; }
.hero-stat-number { display: block; font-size: 1.6rem; font-weight: 800; color: #fff; }
.hero-stat-label { font-size: .8rem; color: rgba(255,255,255,.6); font-weight: 500; text-transform: uppercase; letter-spacing: 1px; }
.hero-wave { position: absolute; bottom: -1px; left: 0; right: 0; z-index: 3; }
.hero-wave svg { display: block; width: 100%; height: auto; }

/* --- Page Hero (subpages) --- */
.page-hero { padding: 140px 0 60px; background: linear-gradient(135deg, #f0f7fa 0%, #e8f4f8 100%); text-align: center; }
.page-hero h1 { font-size: 2.6rem; font-weight: 900; margin-bottom: 16px; }
.page-hero p { font-size: 1.1rem; color: var(--text-light); max-width: 600px; margin: 0 auto; }
.page-hero-accent { background: linear-gradient(135deg, #1e293b 0%, #334155 50%, var(--primary-dark) 100%); color: #fff; }
.page-hero-accent p { color: rgba(255,255,255,.7); }
.page-hero-accent .section-badge { background: rgba(255,255,255,.15); color: #fff; }

/* --- Highlights --- */
.highlights { padding: 80px 0; background: #fff; }
.highlights-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 24px; }
.highlight-item { text-align: center; padding: 28px 16px; }
.highlight-icon { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; margin: 0 auto 12px; background: var(--primary-bg); color: var(--primary); font-size: 1.3rem; }
.highlight-item h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.highlight-item p { font-size: .82rem; color: var(--text-light); }

/* --- Features --- */
.features-section { background: var(--bg-alt); }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card { background: #fff; padding: 32px 24px; border-radius: var(--radius); border: 1px solid var(--border); transition: var(--transition); }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent); font-size: 1.2rem; }
.feature-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: .85rem; color: var(--text-light); line-height: 1.6; }

/* --- Feature Detail (features page) --- */
.feature-detail-grid { display: flex; flex-direction: column; gap: 24px; }
.feature-detail { display: flex; gap: 24px; padding: 32px; border-radius: var(--radius); background: var(--bg-alt); border: 1px solid var(--border); transition: var(--transition); }
.feature-detail:hover { border-color: var(--primary-light); box-shadow: var(--shadow-sm); }
.fd-icon { width: 56px; height: 56px; min-width: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent); font-size: 1.4rem; }
.fd-content h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.fd-content p { font-size: .9rem; color: var(--text-light); line-height: 1.6; margin-bottom: 12px; }
.fd-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.fd-tag { padding: 4px 12px; border-radius: 50px; background: var(--primary-bg); color: var(--primary); font-size: .75rem; font-weight: 600; }

/* --- KI Teaser (homepage) --- */
.ki-teaser-section { background: linear-gradient(135deg, #1e293b 0%, #334155 100%); color: #fff; padding: 100px 0; }
.ki-teaser { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.ki-teaser-content .section-badge { background: rgba(255,255,255,.1); color: #93c5fd; }
.ki-teaser-content h2 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; }
.ki-teaser-content p { color: rgba(255,255,255,.7); margin-bottom: 24px; }
.ki-features-list { list-style: none; margin-bottom: 32px; }
.ki-features-list li { display: flex; align-items: center; gap: 10px; padding: 6px 0; font-size: .95rem; color: rgba(255,255,255,.85); }
.ki-features-list li i { color: #22c55e; }
.ki-visual-card { background: rgba(255,255,255,.08); border-radius: var(--radius-lg); border: 1px solid rgba(255,255,255,.1); overflow: hidden; }
.ki-visual-header { padding: 16px 24px; background: rgba(255,255,255,.05); font-weight: 700; font-size: 1rem; display: flex; align-items: center; gap: 8px; }
.ki-visual-body { padding: 20px 24px; }
.ki-stat-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.06); font-size: .9rem; color: rgba(255,255,255,.6); }
.ki-stat-row:last-child { border-bottom: none; }
.ki-val { font-weight: 600; color: #fff; }
.ki-val.ki-ok { color: #22c55e; }

/* --- Module Teaser (homepage) --- */
.module-teaser-section { background: #fff; }
.module-teaser-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.module-teaser-card { padding: 32px 24px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--bg-alt); transition: var(--transition); }
.module-teaser-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--primary-light); }
.mtc-icon { width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; font-size: 1.3rem; }
.module-teaser-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.module-teaser-card p { font-size: .85rem; color: var(--text-light); margin-bottom: 12px; }
.mtc-count { font-size: .8rem; font-weight: 600; color: var(--primary); }

/* --- Module Tabs (module page) --- */
.module-section { background: #fff; }
.module-tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 40px; flex-wrap: wrap; }
.module-tab { padding: 12px 24px; border-radius: 10px; border: 2px solid var(--border); background: #fff; cursor: pointer; font-size: .9rem; font-weight: 600; color: var(--text-light); transition: var(--transition); display: flex; align-items: center; gap: 8px; }
.module-tab:hover { border-color: var(--primary-light); color: var(--primary); }
.module-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.module-panel { display: none; }
.module-panel.active { display: block; animation: fadeIn .4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.module-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.module-item { display: flex; gap: 16px; padding: 24px; border-radius: var(--radius); background: var(--bg-alt); border: 1px solid var(--border); transition: var(--transition); }
.module-item:hover { border-color: var(--primary-light); box-shadow: var(--shadow-sm); }
.mi-icon { width: 44px; height: 44px; min-width: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; background: var(--primary-bg); color: var(--primary); font-size: 1.1rem; }
.module-item h4 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.module-item p { font-size: .85rem; color: var(--text-light); }

/* --- Screenshots --- */
.screenshots-section { background: var(--bg-alt); }
.screenshots-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.screenshot-card { background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); transition: var(--transition); cursor: pointer; position: relative; }
.screenshot-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.screenshot-img { position: relative; aspect-ratio: 16/10; overflow: hidden; background: #f1f5f9; }
.screenshot-img img { width: 100%; height: 100%; object-fit: cover; }
.screenshot-img .placeholder-img { display: none; position: absolute; inset: 0; flex-direction: column; align-items: center; justify-content: center; background: linear-gradient(135deg, #f0f7fa, #e8f4f8); color: var(--primary); gap: 8px; }
.screenshot-img .placeholder-img p { font-size: .85rem; opacity: .6; }
.screenshot-card h4 { padding: 16px 20px 4px; font-size: 1rem; font-weight: 700; }
.screenshot-card > p { padding: 0 20px 16px; font-size: .85rem; color: var(--text-light); }

/* --- Preise --- */
.preise-section { background: var(--bg-alt); }
.preise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; max-width: 1000px; margin: 0 auto; }
.preis-card { background: #fff; border-radius: var(--radius-lg); padding: 40px 32px; border: 2px solid var(--border); transition: var(--transition); position: relative; display: flex; flex-direction: column; }
.preis-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.preis-card.featured { border-color: var(--primary); box-shadow: var(--shadow-lg); transform: scale(1.04); }
.preis-card.featured:hover { transform: scale(1.04) translateY(-4px); }
.preis-badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--primary); color: #fff; padding: 6px 20px; border-radius: 50px; font-size: .8rem; font-weight: 700; }
.preis-header { margin-bottom: 24px; }
.preis-header h3 { font-size: 1.4rem; font-weight: 800; margin-bottom: 4px; }
.preis-desc { font-size: .9rem; color: var(--text-light); }
.preis-price { margin-bottom: 28px; }
.preis-amount { font-size: 1.8rem; font-weight: 800; color: var(--primary); }
.preis-features { flex: 1; margin-bottom: 28px; }
.preis-features li { display: flex; align-items: center; gap: 10px; padding: 8px 0; font-size: .9rem; color: var(--text); }
.preis-features li i { color: var(--primary); font-size: .85rem; }

/* --- Technik --- */
.technik-section { background: #fff; }
.technik-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.technik-card { text-align: center; padding: 36px 20px; border-radius: var(--radius); border: 1px solid var(--border); transition: var(--transition); background: #fff; }
.technik-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--primary-light); }
.technik-icon { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; background: var(--primary-bg); color: var(--primary); font-size: 1.3rem; }
.technik-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.technik-card p { font-size: .85rem; color: var(--text-light); line-height: 1.5; }

/* --- CTA Banner --- */
.cta-banner { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); padding: 80px 0; text-align: center; color: #fff; }
.cta-content h2 { font-size: 2rem; font-weight: 800; margin-bottom: 12px; }
.cta-content p { font-size: 1.1rem; opacity: .85; margin-bottom: 32px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* --- KI Steps (ki-touren page) --- */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.step-card { text-align: center; padding: 40px 28px; border-radius: var(--radius-lg); background: var(--bg-alt); border: 1px solid var(--border); position: relative; transition: var(--transition); }
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.step-number { position: absolute; top: -16px; left: 50%; transform: translateX(-50%); width: 32px; height: 32px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 800; font-size: .9rem; display: flex; align-items: center; justify-content: center; }
.step-icon { font-size: 2.5rem; color: var(--primary); margin-bottom: 16px; }
.step-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.step-card p { font-size: .9rem; color: var(--text-light); }

/* --- KI Features Detail (ki-touren page) --- */
.ki-features-detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ki-fd-card { padding: 32px 24px; border-radius: var(--radius); background: #fff; border: 1px solid var(--border); transition: var(--transition); }
.ki-fd-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.ki-fd-icon { font-size: 2rem; color: var(--primary); margin-bottom: 16px; }
.ki-fd-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.ki-fd-card p { font-size: .85rem; color: var(--text-light); }

/* --- KI Demo (ki-touren page) --- */
.ki-demo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.ki-demo-text h2 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; }
.ki-demo-text > p { color: var(--text-light); margin-bottom: 32px; }
.ki-result-list { display: flex; flex-direction: column; gap: 12px; }
.ki-result-item { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 10px; background: var(--bg-alt); border: 1px solid var(--border); }
.ki-result-item i { color: var(--primary); width: 20px; text-align: center; }
.ki-result-item span { flex: 1; font-size: .9rem; color: var(--text-light); }
.ki-result-item strong { font-weight: 700; color: var(--text); }
.ki-result-item.ki-ok i { color: #22c55e; }
.ki-result-item.ki-ok strong { color: #16a34a; }

/* KI Route Card */
.ki-route-card { background: var(--bg-alt); border-radius: var(--radius-lg); border: 1px solid var(--border); overflow: hidden; }
.ki-route-header { padding: 16px 24px; background: var(--primary); color: #fff; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.ki-route-stops { padding: 24px; }
.ki-stop { display: flex; align-items: center; gap: 16px; padding: 8px 0; }
.ki-stop-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--primary); border: 3px solid var(--primary-bg); }
.ki-dot-pause { background: #f59e0b; border-color: #fef3c7; }
.ki-dot-end { background: #22c55e; border-color: #dcfce7; }
.ki-stop div strong { display: block; font-size: .9rem; }
.ki-stop div span { font-size: .8rem; color: var(--text-light); }
.ki-stop-line { width: 2px; height: 24px; background: var(--border); margin-left: 6px; }
.ki-stop-start .ki-stop-dot { background: var(--primary); }

/* --- App Page: Overview Grid --- */
.app-overview-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.app-overview-text h2 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; }
.app-overview-text > p { color: var(--text-light); margin-bottom: 28px; font-size: 1rem; }
.app-feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.app-fl-item { display: flex; align-items: center; gap: 10px; font-size: .9rem; color: var(--text); }
.app-fl-item i { color: var(--primary); width: 20px; text-align: center; }

/* --- Phone Mockup --- */
.phone-mockup {
    width: 280px; margin: 0 auto; background: #1e293b; border-radius: 36px;
    padding: 12px; box-shadow: var(--shadow-lg), 0 0 0 2px #334155;
    position: relative;
}
.phone-notch {
    width: 100px; height: 24px; background: #1e293b; border-radius: 0 0 16px 16px;
    margin: 0 auto; position: relative; z-index: 2;
}
.phone-screen { background: #fff; border-radius: 24px; overflow: hidden; }
.phone-header {
    background: var(--primary); color: #fff; text-align: center;
    padding: 16px 12px 12px; font-weight: 700; font-size: 1rem;
}
.phone-tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; padding: 16px; }
.phone-tile {
    display: flex; flex-direction: column; align-items: center; gap: 6px;
    padding: 16px 8px; border-radius: 12px; background: var(--bg-alt);
    border: 1px solid var(--border); font-size: .75rem; font-weight: 600; color: var(--text);
}
.phone-tile i { font-size: 1.2rem; color: var(--primary); }

/* --- Cockpit Grid --- */
.cockpit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cockpit-card {
    padding: 32px 24px; border-radius: var(--radius); background: #fff;
    border: 1px solid var(--border); transition: var(--transition); text-align: center;
}
.cockpit-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.cc-icon {
    width: 52px; height: 52px; border-radius: 14px; display: flex;
    align-items: center; justify-content: center; margin: 0 auto 16px;
    background: var(--primary-bg); color: var(--primary); font-size: 1.3rem;
}
.cockpit-card h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.cockpit-card p { font-size: .85rem; color: var(--text-light); }

/* --- Admin Config Grid --- */
.admin-config-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.admin-config-text h2 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; }
.admin-config-text > p { color: var(--text-light); margin-bottom: 24px; }
.admin-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.admin-list li { display: flex; align-items: center; gap: 10px; font-size: .95rem; }
.admin-list li i { color: var(--primary); width: 20px; text-align: center; }
.config-card {
    background: var(--bg-alt); border-radius: var(--radius-lg);
    border: 1px solid var(--border); overflow: hidden;
}
.config-header {
    padding: 16px 24px; background: var(--primary); color: #fff;
    font-weight: 700; display: flex; align-items: center; gap: 8px;
}
.config-items { padding: 16px 24px; display: flex; flex-direction: column; gap: 8px; }
.config-item {
    display: flex; align-items: center; gap: 10px; padding: 10px 14px;
    border-radius: 8px; background: #fff; border: 1px solid var(--border);
    font-size: .9rem; cursor: default; transition: var(--transition);
}
.config-item.active { border-color: var(--primary-light); background: var(--primary-bg); }
.config-item input[type="checkbox"] { accent-color: var(--primary); }
.config-item span { display: flex; align-items: center; gap: 8px; }
.config-item span i { color: var(--primary); width: 18px; text-align: center; font-size: .85rem; }

/* --- Kontakt Page --- */
.kontakt-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.kontakt-info h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 12px; }
.kontakt-info > p { color: var(--text-light); margin-bottom: 32px; }
.kontakt-details { display: flex; flex-direction: column; gap: 20px; }
.kontakt-detail { display: flex; gap: 16px; align-items: flex-start; }
.kd-icon {
    width: 44px; height: 44px; min-width: 44px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    background: var(--primary-bg); color: var(--primary); font-size: 1.1rem;
}
.kontakt-detail h4 { font-size: .95rem; font-weight: 700; margin-bottom: 2px; }
.kontakt-detail p { font-size: .9rem; color: var(--text-light); }
.kontakt-detail a { color: var(--primary); }
.kontakt-detail a:hover { text-decoration: underline; }

/* --- Contact Form --- */
.kontakt-form {
    background: var(--bg-alt); padding: 36px; border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}
.kontakt-form h3 { font-size: 1.2rem; font-weight: 700; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 12px 16px; border-radius: 10px; border: 2px solid var(--border);
    font-size: .9rem; font-family: inherit; background: #fff; transition: var(--transition);
    color: var(--text);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(91,139,160,.15);
}
.form-group textarea { resize: vertical; min-height: 100px; }

/* --- FAQ --- */
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item { border-radius: 10px; border: 1px solid var(--border); overflow: hidden; background: #fff; }
.faq-question {
    width: 100%; display: flex; align-items: center; justify-content: space-between;
    padding: 14px 18px; background: none; border: none; cursor: pointer;
    font-size: .9rem; font-weight: 600; color: var(--text); font-family: inherit;
    transition: var(--transition); gap: 12px; text-align: left;
}
.faq-question:hover { color: var(--primary); }
.faq-question i { font-size: .75rem; transition: transform .3s ease; color: var(--text-light); }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease, padding .3s ease; }
.faq-item.open .faq-answer { max-height: 200px; padding: 0 18px 14px; }
.faq-answer p { font-size: .85rem; color: var(--text-light); line-height: 1.6; }

/* --- Lightbox --- */
.lightbox {
    position: fixed; inset: 0; z-index: 9999; background: rgba(0,0,0,.9);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none; transition: opacity .3s ease;
}
.lightbox.open { opacity: 1; pointer-events: all; }
.lightbox img { max-width: 90vw; max-height: 90vh; border-radius: 8px; box-shadow: 0 0 60px rgba(0,0,0,.5); }
.lightbox-close {
    position: absolute; top: 20px; right: 28px; background: none; border: none;
    color: #fff; font-size: 2.5rem; cursor: pointer; line-height: 1;
    opacity: .7; transition: opacity .2s;
}
.lightbox-close:hover { opacity: 1; }

/* --- Footer --- */
.footer { background: #1e293b; color: #fff; padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-brand p { color: rgba(255,255,255,.5); margin-top: 12px; font-size: .9rem; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links h4 { font-size: .9rem; font-weight: 700; margin-bottom: 4px; color: rgba(255,255,255,.8); }
.footer-links a { font-size: .85rem; color: rgba(255,255,255,.5); transition: var(--transition); display: flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: #fff; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0;
    text-align: center; font-size: .8rem; color: rgba(255,255,255,.4);
}

/* --- Fade-up Animation --- */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* --- Mobile Nav --- */
.nav-links.open { display: flex !important; }

/* ===== RESPONSIVE ===== */

/* --- Tablet (max 1024px) --- */
@media (max-width: 1024px) {
    .highlights-grid { grid-template-columns: repeat(3, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .module-teaser-grid { grid-template-columns: repeat(2, 1fr); }
    .screenshots-grid { grid-template-columns: repeat(2, 1fr); }
    .preise-grid { grid-template-columns: 1fr; max-width: 420px; }
    .preis-card.featured { transform: none; }
    .preis-card.featured:hover { transform: translateY(-4px); }
    .technik-grid { grid-template-columns: repeat(2, 1fr); }
    .ki-teaser { grid-template-columns: 1fr; }
    .ki-demo-grid { grid-template-columns: 1fr; }
    .ki-features-detail-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
    .module-list { grid-template-columns: 1fr; }
    .app-overview-grid { grid-template-columns: 1fr; text-align: center; }
    .app-feature-list { justify-content: center; }
    .admin-config-grid { grid-template-columns: 1fr; }
    .cockpit-grid { grid-template-columns: repeat(2, 1fr); }
    .kontakt-wrapper { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* --- Mobile (max 768px) --- */
@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .section-header h2 { font-size: 1.8rem; }
    .hero-content-overlay h1 { font-size: 2.2rem; }
    .page-hero { padding: 120px 0 40px; }
    .page-hero h1 { font-size: 2rem; }
    .hero-stats { gap: 24px; }
    .hero-actions { flex-direction: column; align-items: stretch; }

    /* Navbar mobile */
    .nav-links {
        display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(255,255,255,.98); backdrop-filter: blur(12px);
        flex-direction: column; align-items: center; justify-content: center;
        gap: 24px; z-index: 999;
    }
    .nav-links.open { display: flex; }
    .nav-links li a { font-size: 1.2rem; }
    .nav-toggle { display: flex; z-index: 1001; }
    .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    .highlights-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: 1fr; }
    .module-teaser-grid { grid-template-columns: 1fr; }
    .screenshots-grid { grid-template-columns: 1fr; }
    .ki-features-detail-grid { grid-template-columns: 1fr; }
    .cockpit-grid { grid-template-columns: 1fr; }
    .module-tabs { gap: 6px; }
    .module-tab { padding: 10px 16px; font-size: .8rem; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .cta-content h2 { font-size: 1.5rem; }
    .app-feature-list { grid-template-columns: 1fr; }
}

/* --- Small Mobile (max 480px) --- */
@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero-content-overlay h1 { font-size: 1.8rem; }
    .section-header h2 { font-size: 1.5rem; }
    .hero-stats { flex-direction: column; gap: 16px; }
    .highlights-grid { grid-template-columns: 1fr; }
    .btn-lg { padding: 12px 24px; font-size: .9rem; }
    .phone-mockup { width: 240px; }
    .kontakt-form { padding: 24px; }
}