:root {
  --primary-color: #0f172a;
  --accent-color: #0d9488;
  --accent-hover: #0f766e;
  --bg-color: #ffffff;
  --surface-color: #f8fafc;
  --text-dark: #1e293b;
  --text-light: #64748b;
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --radius: 12px;
  --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-dark);
  line-height: 1.6;
}

header {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid #f1f5f9;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo { font-size: 1.5rem; font-weight: 800; color: var(--primary-color); text-decoration: none; display: flex; align-items: center; gap: 0.5rem; }
.logo span { color: var(--accent-color); }

.nav-links { display: flex; gap: 2rem; }
.nav-links a { text-decoration: none; color: var(--text-dark); font-weight: 600; transition: color 0.3s ease; }
.nav-links a:hover { color: var(--accent-color); }

.hero { padding: 4rem 2rem; background-color: var(--bg-color); }
.hero-container { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: column; gap: 4rem; }
@media (min-width: 992px) { .hero-container { flex-direction: row; align-items: center; } }

.hero-content { flex: 1; }
.hero-image { flex: 1; position: relative; }
.hero-image img { width: 100%; height: auto; border-radius: 24px; box-shadow: 0 20px 40px rgba(13, 148, 136, 0.2), 0 0 20px rgba(255, 255, 255, 0.5); border: 2px solid rgba(255, 255, 255, 0.6); transform: translateY(0); transition: transform 0.5s ease; }
.hero-image img:hover { transform: translateY(-10px); }

h1 { font-size: 2.5rem; font-weight: 800; line-height: 1.2; margin-bottom: 1.5rem; color: var(--primary-color); }
@media (min-width: 768px) { h1 { font-size: 3.5rem; } }
.text-accent { color: var(--accent-color); }
.lead { font-size: 1.25rem; color: var(--text-light); margin-bottom: 2.5rem; }

.cta-group { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 1rem 2rem; border-radius: var(--radius); font-weight: 600; text-decoration: none; transition: all 0.3s ease; font-size: 1.125rem; }
.btn-primary { background-color: var(--accent-color); color: #fff; box-shadow: 0 4px 14px 0 rgba(13, 148, 136, 0.4); }
.btn-primary:hover { background-color: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(13, 148, 136, 0.3); }
.btn-secondary { background-color: var(--surface-color); color: var(--primary-color); border: 1px solid #e2e8f0; }
.btn-secondary:hover { background-color: #f1f5f9; }

/* Trust Stats Box */
.trust-stats { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 20px; padding: 2rem; background: var(--bg-color); margin: 2rem auto; max-width: 1200px; border-top: 1px solid #f1f5f9; border-bottom: 1px solid #f1f5f9; }
.stat-item { text-align: center; }
.stat-value { font-size: 2.5rem; font-weight: 800; color: var(--accent-color); }
.stat-label { font-size: 1rem; color: var(--text-light); font-weight: 500; text-transform: uppercase; letter-spacing: 1px; }

/* Warumn Wir? Glass/Hexagon Cards */
.features { padding: 4rem 2rem; background-color: var(--surface-color); }
.features-container { max-width: 1200px; margin: 0 auto; }
.section-title { text-align: center; font-size: 2.5rem; color: var(--primary-color); margin-bottom: 3rem; font-weight: 800; }
.hexagon-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.glass-card { background: rgba(255,255,255,0.7); backdrop-filter: blur(16px); border: 1px solid rgba(255,255,255,0.8); border-radius: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); padding: 30px; transition: transform 0.3s; position: relative; overflow: hidden; }
.glass-card::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: linear-gradient(90deg, var(--accent-color), transparent); }
.glass-card:hover { transform: translateY(-10px); }
.glass-card h3 { color: var(--primary-color); margin-bottom: 1rem; font-size: 1.3rem; }

/* Comparison Table */
.comparison-section { padding: 4rem 2rem; max-width: 1000px; margin: 0 auto; }
.comparison-table-wrapper { overflow-x: auto; }
.comparison-table { width: 100%; border-collapse: collapse; margin-top: 2rem; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); background: #fff; }
.comparison-table th, .comparison-table td { padding: 18px; text-align: left; border-bottom: 1px solid #f1f5f9; }
.comparison-table th { background: var(--primary-color); color: #fff; font-size: 1.1rem; }
.comparison-table th.highlight { background: var(--accent-color); }
.comparison-table tr:hover { background: #f8fafc; }
.check { color: #16a34a; font-weight: bold; font-size: 1.2rem; }
.cross { color: #dc2626; font-weight: bold; font-size: 1.2rem; }

/* FAQ Accordion */
.faq-section { padding: 4rem 2rem; max-width: 800px; margin: 0 auto; }
details { background: var(--surface-color); padding: 20px; border-radius: 12px; margin-bottom: 15px; border: 1px solid #e2e8f0; cursor: pointer; transition: all 0.3s; }
summary { font-weight: 700; color: var(--primary-color); list-style: none; display: flex; justify-content: space-between; align-items: center; font-size: 1.1rem; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent-color); font-size: 1.5rem; font-weight: 300; }
details[open] { background: #fff; box-shadow: var(--shadow); border-color: transparent; }
details[open] summary::after { content: "−"; }
details p { margin-top: 15px; color: var(--text-light); line-height: 1.8; animation: slideDown 0.3s ease-out; }

@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

/* EEAT Section */
.eeat-box { display: flex; flex-wrap: wrap; align-items: center; gap: 30px; background: var(--surface-color); padding: 40px; border-radius: 20px; margin: 4rem auto; max-width: 1000px; border: 1px solid #e2e8f0; }
.expert-avatar { width: 120px; height: 120px; border-radius: 50%; object-fit: cover; border: 4px solid #fff; box-shadow: 0 8px 20px rgba(0,0,0,0.1); }
.eeat-content { flex: 1; min-width: 250px; }
.eeat-content h3 { color: var(--primary-color); font-size: 1.5rem; margin-bottom: 0.5rem; }
.eeat-content p { color: var(--text-dark); margin-bottom: 1rem; }
.eeat-badges { display: flex; gap: 10px; flex-wrap: wrap; }
.badge { background: #e0f2fe; color: #0369a1; padding: 6px 12px; border-radius: 8px; font-size: 0.85rem; font-weight: 700; display: inline-flex; align-items: center; gap: 5px; }

/* Expert Trust Inline Over Form */
.expert-trust-inline {
    background-color: var(--surface-color);
    padding: 4rem 2rem 0;
}

.expert-trust-inline .eeat-box {
    margin: 0 auto;
    background: #fff;
    max-width: 900px;
    border-bottom: none;
    border-radius: 24px 24px 0 0;
    box-shadow: 0 -10px 50px rgba(0,0,0,0.03);
}

.contact-form-section {
    padding-top: 0;
}

.contact-form-section .form-container {
    border-radius: 0 0 24px 24px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.05);
}

/* SEO Text blocks */
.seo-content { max-width: 800px; margin: 4rem auto; padding: 2rem; }
.seo-content h2 { color: var(--primary-color); margin-bottom: 1.5rem; font-size: 2rem; }
.seo-content p { margin-bottom: 1.5rem; color: var(--text-dark); font-size: 1.125rem; }

/* Sticky Mobile CTA Bottom Bar */
.mobile-sticky-cta { position: fixed; bottom: 0; left: 0; width: 100%; background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); display: none; box-shadow: 0 -4px 15px rgba(0,0,0,0.08); z-index: 1000; padding: 15px; gap: 10px; border-top: 1px solid #f1f5f9; }
.mobile-sticky-cta .btn { flex: 1; padding: 12px 0; font-size: 1rem; }
@media (max-width: 767px) {
  .mobile-sticky-cta { display: flex; }
  body { padding-bottom: 80px; }
  .nav-links { display: none; } /* Basic mobile menu hiding for now */
}

/* Footer */
footer { background-color: var(--primary-color); color: #94a3b8; padding: 5rem 2rem 2rem; text-align: center; }
.footer-content { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr; gap: 3rem; text-align: left; }
@media (min-width: 768px) { .footer-content { grid-template-columns: repeat(3, 1fr); } }
.footer-col h4 { color: #fff; font-size: 1.25rem; margin-bottom: 1.5rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.85rem; }
.footer-col a { color: #94a3b8; text-decoration: none; transition: color 0.3s; }
.footer-col a:hover { color: #fff; }
.copyright { margin-top: 4rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1); text-align: center; }

/* Social Share Buttons */
.social-share-container {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding: 3rem 2rem 0;
    text-align: left;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.social-share-container h3 {
    color: #fff;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}
.share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}
.share-btn {
    display: inline-flex;
    height: 42px;
    color: #fff !important;
    text-decoration: none;
    font-family: inherit;
    transition: opacity 0.3s;
}
.share-btn:hover {
    opacity: 0.8;
}
.share-btn .icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 100%;
    font-weight: 400;
    font-size: 1.25rem;
    font-family: Arial, sans-serif;
}
.share-btn .text {
    display: flex;
    align-items: center;
    padding: 0 16px;
    height: 100%;
    font-weight: 600;
    font-size: 0.85rem;
}
.x-btn .icon { background-color: #33ccff; }
.x-btn .text { background-color: #00bfff; }
.fb-btn .icon { background-color: #5571a8; font-weight: bold; }
.fb-btn .text { background-color: #3b5998; }
.email-btn .icon { background-color: #444444; }
.email-btn .text { background-color: #222222; }
.in-btn .icon { background-color: #28a0d4; font-weight: bold; }
.in-btn .text { background-color: #0077b5; }

/* Valuation Form Styling */
.contact-form-section {
    padding: 5rem 2rem;
    background-color: var(--surface-color);
    border-top: 1px solid #e2e8f0;
}

.form-container {
    max-width: 900px;
    margin: 0 auto;
    background: #fff;
    padding: 3rem;
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.05);
}

.form-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-subtitle {
    color: var(--accent-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    margin-top: -2rem;
    margin-bottom: 2rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary-color);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    padding: 1rem;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s;
    background: #fcfcfc;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.1);
}

.form-footer {
    margin-top: 3rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.captcha-text {
    color: var(--text-light);
    font-size: 0.9rem;
    font-style: italic;
}

.btn-submit {
    min-width: 250px;
}
