/* ================================================
   SHK Lange GmbH – Relaunch Stylesheet
   Farben: Blau (#1a5276) + Orange (#e67e22) Akzente
   ================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --blue: #1a5276;
    --blue-dark: #0e3650;
    --blue-light: #2980b9;
    --orange: #e67e22;
    --orange-dark: #d35400;
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-600: #6c757d;
    --gray-800: #343a40;
    --gray-900: #212529;
    --white: #ffffff;
    --shadow: 0 2px 15px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --radius: 12px;
    --transition: 0.3s ease;
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-800);
    line-height: 1.7;
    font-size: 16px;
    background: var(--white);
}

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

a { color: var(--blue-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--orange); }

/* ---- NAVBAR ---- */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: background var(--transition);
}
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--blue); font-size: 1.3rem; }
.logo-icon { font-size: 1.6rem; }
.logo-text { letter-spacing: -0.5px; }
.logo-text strong { color: var(--blue-dark); }
.nav-links { display: flex; list-style: none; gap: 32px; align-items: center; }
.nav-links a { color: var(--gray-800); font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: var(--orange); }
.btn-nav {
    background: var(--orange); color: var(--white) !important; padding: 10px 24px;
    border-radius: 8px; font-weight: 600;
}
.btn-nav:hover { background: var(--orange-dark); color: var(--white) !important; }

/* Hamburger */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--gray-800); margin: 6px 0; transition: var(--transition); }

/* ---- BUTTONS ---- */
.btn {
    display: inline-block; padding: 14px 32px; border-radius: 8px; font-weight: 600;
    font-size: 1rem; cursor: pointer; transition: all var(--transition); text-align: center;
    border: none; text-decoration: none;
}
.btn-primary { background: var(--orange); color: var(--white); }
.btn-primary:hover { background: var(--orange-dark); color: var(--white); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid var(--white); }
.btn-outline:hover { background: var(--white); color: var(--blue-dark); }
.btn-full { width: 100%; }
.btn-emergency {
    background: var(--white); color: var(--orange-dark); font-size: 1.3rem; padding: 18px 48px;
    border-radius: 12px; font-weight: 700; letter-spacing: 1px;
}
.btn-emergency:hover { background: var(--gray-100); color: var(--orange-dark); transform: translateY(-2px); box-shadow: var(--shadow-lg); }

/* ---- HERO ---- */
.hero {
    position: relative; min-height: 92vh; display: flex; align-items: center;
    background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 50%, var(--blue-light) 100%);
    overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.15); }
.hero-content { position: relative; z-index: 2; color: var(--white); max-width: 800px; }
.hero-badge {
    display: inline-block; background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.25);
    padding: 6px 18px; border-radius: 50px; font-size: 0.85rem; font-weight: 500;
    margin-bottom: 24px; letter-spacing: 1px; text-transform: uppercase;
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 700; line-height: 1.2; margin-bottom: 20px; }
.hero-accent { color: var(--orange); }
.hero-sub { font-size: 1.15rem; opacity: 0.9; margin-bottom: 36px; max-width: 600px; line-height: 1.8; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---- SECTIONS ---- */
.section { padding: 100px 0; }
.section-alt { background: var(--gray-50); }
.section-title { font-size: 2rem; font-weight: 700; text-align: center; margin-bottom: 12px; color: var(--blue-dark); }
.section-subtitle { text-align: center; color: var(--gray-600); font-size: 1.1rem; margin-bottom: 56px; }

/* ---- CARDS ---- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 28px; }
.card {
    background: var(--white); border-radius: var(--radius); padding: 36px 28px;
    box-shadow: var(--shadow); transition: all var(--transition);
    border-top: 4px solid transparent;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-top-color: var(--orange); }
.card-icon { font-size: 2.5rem; margin-bottom: 16px; }
.card h3 { font-size: 1.3rem; margin-bottom: 12px; color: var(--blue-dark); }
.card p { color: var(--gray-600); margin-bottom: 16px; font-size: 0.95rem; }
.card-list { list-style: none; }
.card-list li { padding: 5px 0; padding-left: 20px; position: relative; color: var(--gray-800); font-size: 0.92rem; }
.card-list li::before { content: '✓'; position: absolute; left: 0; color: var(--orange); font-weight: 700; }

/* ---- FEATURES ---- */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 40px; }
.feature { text-align: center; }
.feature-icon { font-size: 2.5rem; margin-bottom: 16px; }
.feature h3 { font-size: 1.15rem; margin-bottom: 8px; color: var(--blue-dark); }
.feature p { color: var(--gray-600); font-size: 0.95rem; }

/* ---- NOTDIENST ---- */
.notdienst {
    background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%);
    color: var(--white); text-align: center;
}
.notdienst-content { max-width: 600px; margin: 0 auto; }
.notdienst-icon { font-size: 3.5rem; margin-bottom: 16px; }
.notdienst h2 { font-size: 2.2rem; margin-bottom: 16px; }
.notdienst p { font-size: 1.15rem; margin-bottom: 24px; opacity: 0.95; }
.notdienst-hinweis { font-size: 0.9rem; opacity: 0.8; margin-top: 16px; }

/* ---- FAQ ---- */
.faq-list { max-width: 750px; margin: 0 auto; }
.faq-item {
    background: var(--white); border-radius: var(--radius); margin-bottom: 12px;
    box-shadow: var(--shadow); overflow: hidden;
}
.faq-item summary {
    padding: 20px 24px; font-weight: 600; cursor: pointer; list-style: none;
    display: flex; justify-content: space-between; align-items: center;
    font-size: 1rem; color: var(--gray-800);
}
.faq-item summary::after { content: '+'; font-size: 1.5rem; color: var(--orange); font-weight: 300; }
.faq-item[open] summary::after { content: '−'; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { padding: 0 24px 20px; color: var(--gray-600); line-height: 1.7; }

/* ---- KONTAKT ---- */
.kontakt-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 48px; align-items: start; }
.kontakt-item { margin-bottom: 28px; }
.kontakt-item h3 { font-size: 1rem; color: var(--blue-dark); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 1px; font-weight: 600; }
.kontakt-item p { color: var(--gray-600); }
.kontakt-item a { color: var(--blue-light); }
.kontakt-map a {
    display: inline-block; padding: 10px 20px; background: var(--blue); color: var(--white) !important;
    border-radius: 8px; font-weight: 500; font-size: 0.9rem;
}
.kontakt-map a:hover { background: var(--blue-dark); }
.kontakt-form input, .kontakt-form select, .kontakt-form textarea {
    width: 100%; padding: 14px 16px; border: 1px solid var(--gray-200); border-radius: 8px;
    font-size: 0.95rem; font-family: inherit; margin-bottom: 14px; background: var(--white);
    transition: border-color var(--transition);
}
.kontakt-form input:focus, .kontakt-form select:focus, .kontakt-form textarea:focus {
    outline: none; border-color: var(--blue-light); box-shadow: 0 0 0 3px rgba(41,128,185,0.1);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ---- FOOTER ---- */
.footer { background: var(--gray-900); color: var(--gray-200); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-logo { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.footer-logo .logo-icon { font-size: 1.4rem; color: var(--orange); }
.footer-logo .logo-text { font-size: 1.2rem; color: var(--white); }
.footer-desc { color: var(--gray-600); font-size: 0.9rem; line-height: 1.6; }
.footer h4 { color: var(--white); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 8px; }
.footer ul a { color: var(--gray-600); font-size: 0.9rem; }
.footer ul a:hover { color: var(--orange); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08); padding: 24px 0;
    text-align: center; color: var(--gray-600); font-size: 0.85rem;
}
.footer-bottom a { color: var(--gray-600); }

/* ---- OVERLAYS ---- */
.overlay { display: none; position: fixed; inset: 0; z-index: 9999; background: rgba(0,0,0,0.6); overflow-y: auto; padding: 40px 20px; }
.overlay:target { display: flex; justify-content: center; align-items: flex-start; }
.overlay-content {
    background: var(--white); max-width: 700px; width: 100%; border-radius: var(--radius);
    padding: 48px; position: relative; margin: auto;
}
.overlay-close {
    position: absolute; top: 16px; right: 20px; font-size: 2rem;
    color: var(--gray-600); text-decoration: none; line-height: 1;
}
.overlay-close:hover { color: var(--gray-900); }
.overlay-content h2 { color: var(--blue-dark); margin-bottom: 24px; }
.overlay-content h3 { color: var(--blue); margin: 24px 0 8px; font-size: 1.05rem; }
.overlay-content p { margin-bottom: 12px; color: var(--gray-600); line-height: 1.6; }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
    .nav-toggle { display: block; }
    .nav-links {
        display: none; position: absolute; top: 70px; left: 0; right: 0;
        background: var(--white); flex-direction: column; padding: 20px;
        gap: 16px; box-shadow: var(--shadow-lg);
    }
    .nav-links.active { display: flex; }
    .hero { min-height: 80vh; }
    .hero h1 { font-size: 2rem; }
    .hero-buttons { flex-direction: column; }
    .hero-buttons .btn { text-align: center; }
    .kontakt-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .cards { grid-template-columns: 1fr; }
    .overlay-content { padding: 32px 24px; }
}

@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; }
    .section { padding: 64px 0; }
}