/* === Custom Properties === */
:root {
  --color-primary: #0066cc;
  --color-navy: #1a365d;
  --color-navy-light: #2d3748;
  --color-text: #2d3748;
  --color-text-light: #4a5568;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fa;
  --color-border: #e2e8f0;
  --color-accent: #66b2ff;
  --color-white: #ffffff;
  --font-sans: 'Inter', 'Roboto', 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --container-width: 800px;
  --container-wide: 1100px;
  --nav-height: 60px;
}

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

/* === Base === */
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-navy); }

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-navy);
  font-weight: 700;
  line-height: 1.3;
  margin: 1.5em 0 0.5em;
}
h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; }
p { margin: 0.75em 0; }
strong { font-weight: 600; }
hr { border: none; border-top: 1px solid var(--color-border); margin: 2rem 0; }
ul, ol { padding-left: 1.5em; margin: 0.75em 0; }
li { margin: 0.25em 0; }
blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 0.5em 1em;
  margin: 1em 0;
  color: var(--color-text-light);
  background: var(--color-bg-alt);
  border-radius: 0 6px 6px 0;
}

/* === Heading Icons === */
.prose h2 > i, .prose h3 > i { margin-right: 8px; color: var(--color-primary); }

/* === Layout === */
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }
.container-wide { max-width: var(--container-wide); margin: 0 auto; padding: 0 20px; }
.main-content { flex: 1; margin-top: var(--nav-height); }

/* === Navbar === */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--color-navy);
  height: var(--nav-height);
  display: flex; align-items: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.navbar .container-wide {
  display: flex; align-items: center; justify-content: space-between; width: 100%;
}
.navbar-brand {
  color: var(--color-white); font-weight: 600; font-size: 1.25rem;
  text-decoration: none; white-space: nowrap;
  display: flex; align-items: center;
  font-family: 'IBM Plex Sans', var(--font-sans);
}
.navbar-brand:hover { color: var(--color-accent); }
.navbar-menu { display: flex; align-items: center; gap: 4px; list-style: none; }
.navbar-menu a {
  color: var(--color-white); font-size: 14px; font-weight: 500;
  padding: 6px 14px; border-radius: 4px; transition: all 0.2s; text-decoration: none;
}
.navbar-menu a:hover { background: rgba(255,255,255,0.1); color: var(--color-accent); }
.navbar-toggle {
  display: none; background: none; border: none; cursor: pointer; padding: 8px;
  flex-direction: column; gap: 5px;
}
.navbar-toggle span {
  display: block; width: 24px; height: 2px; background: var(--color-white);
  transition: all 0.3s;
}

/* === Navbar Logo === */
.navbar-logo {
  width: 28px; height: 28px; border-radius: 50%;
  object-fit: contain; vertical-align: middle;
  margin-right: 8px;
}

/* === Page Header (inner pages) === */
.page-header {
  text-align: center; padding: 48px 20px 32px;
}
.page-header h1 {
  font-size: 2.5rem; margin: 0 0 8px; color: var(--color-navy);
}
.page-header .subtitle {
  font-size: 1.15rem; color: var(--color-text-light); font-weight: 400;
  max-width: var(--container-width); margin: 0 auto;
}

/* === Hero Section (homepage) === */
.hero {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  color: var(--color-white);
  padding: 80px 20px 60px;
}
.hero-inner {
  display: flex; align-items: center; gap: 48px; flex-wrap: nowrap;
}
.hero-text { flex: 1; min-width: 0; }
.hero-text h1 { color: var(--color-white); font-size: 2.75rem; margin: 0 0 16px; text-align: left; }
.hero-text .subtitle { font-size: 1.2rem; color: #cbd5e0; margin-bottom: 32px; font-weight: 400; text-align: left; }
.hero-image-wrap { flex: 0 0 280px; max-width: 280px; }
.hero-image {
  width: 100%; border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.btn {
  display: inline-block; padding: 12px 28px; border-radius: 6px;
  font-weight: 600; font-size: 1rem; text-decoration: none; transition: all 0.2s;
}
.btn-primary {
  background: var(--color-primary); color: var(--color-white);
  box-shadow: 0 2px 4px rgba(0,102,204,0.3);
}
.btn-primary:hover {
  background: #004499; color: var(--color-white);
  transform: translateY(-1px); box-shadow: 0 4px 8px rgba(0,102,204,0.4);
}
.btn-outline {
  background: transparent; color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1); color: var(--color-white);
  border-color: rgba(255,255,255,0.7);
}

/* === Homepage Sections === */
.section { padding: 64px 20px; }
.section-alt { background: var(--color-bg-alt); }
.section-title {
  text-align: center; font-size: 2rem; margin: 0 0 16px; color: var(--color-navy);
}
.section-text {
  text-align: center; max-width: 700px; margin: 0 auto;
  font-size: 1.05rem; color: var(--color-text-light); line-height: 1.7;
}

/* === Feature Cards (Why Us) === */
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px; margin-top: 40px;
}
.feature-card {
  text-align: center; padding: 32px 24px;
  background: var(--color-bg); border-radius: 12px;
  border: 1px solid var(--color-border);
  transition: all 0.2s;
}
.feature-card:hover {
  box-shadow: 0 8px 20px rgba(0,0,0,0.08); transform: translateY(-2px);
}
.feature-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, #e6f0ff 0%, #cce0ff 100%);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px; font-size: 1.4rem; color: var(--color-primary);
}
.feature-card h3 { font-size: 1.15rem; margin: 0 0 8px; }
.feature-card p { font-size: 0.95rem; color: var(--color-text-light); margin: 0; }

/* === Navigation Blocks === */
.nav-blocks-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px; margin-top: 40px;
}
.nav-block {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 36px 24px; background: var(--color-bg); border-radius: 12px;
  border: 1px solid var(--color-border); text-decoration: none; color: inherit;
  transition: all 0.25s;
}
.nav-block:hover {
  box-shadow: 0 12px 24px rgba(0,0,0,0.1); transform: translateY(-4px);
  border-color: var(--color-primary); color: inherit;
}
.nav-block-icon {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--color-navy); color: var(--color-white);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 16px; transition: background 0.25s;
}
.nav-block:hover .nav-block-icon { background: var(--color-primary); }
.nav-block h3 { font-size: 1.2rem; margin: 0 0 8px; color: var(--color-navy); }
.nav-block p { font-size: 0.9rem; color: var(--color-text-light); margin: 0; }

/* === CTA Banner === */
.cta-banner {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  color: var(--color-white); text-align: center; padding: 56px 20px;
}
.cta-banner h2 { color: var(--color-white); font-size: 1.75rem; margin: 0 0 24px; }

/* === Content Prose (inner pages) === */
.prose { padding: 16px 0 64px; }
.prose img { border-radius: 8px; margin: 1.5em 0; }
.prose table {
  width: 100%; border-collapse: collapse; margin: 1.5em 0;
}
.prose th, .prose td {
  padding: 10px 14px; border: 1px solid var(--color-border); text-align: left;
}
.prose th { background: var(--color-bg-alt); font-weight: 600; }
.prose tr:nth-child(even) { background: var(--color-bg-alt); }
.prose code {
  background: var(--color-bg-alt); padding: 2px 6px; border-radius: 4px;
  font-size: 0.9em; border: 1px solid var(--color-border);
}
.prose pre {
  background: var(--color-bg-alt); padding: 16px; border-radius: 6px;
  overflow-x: auto; border: 1px solid var(--color-border); margin: 1.5em 0;
}
.prose pre code { background: none; border: none; padding: 0; }

/* === Imprint === */
.imprint-card {
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: 12px; padding: 36px; margin-bottom: 48px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}
.imprint-main {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 24px;
}
.imprint-company {
  font-size: 1.5rem; margin: 0 0 8px; color: var(--color-navy);
  font-family: 'IBM Plex Sans', var(--font-sans);
}
.imprint-address {
  color: var(--color-text-light); line-height: 1.6; margin: 0;
}
.imprint-logo {
  width: 80px; height: 80px; border-radius: 50%; object-fit: contain;
  border: 2px solid var(--color-border); background: var(--color-white); padding: 4px;
  flex-shrink: 0;
}
.imprint-card hr {
  border: none; border-top: 1px solid var(--color-border); margin: 20px 0;
}
.imprint-details {
  display: flex; flex-wrap: wrap; gap: 16px 32px;
}
.imprint-detail {
  display: flex; align-items: center; gap: 10px; font-size: 0.95rem;
}
.imprint-detail i {
  color: var(--color-primary); width: 18px; text-align: center; flex-shrink: 0;
}

/* === Contact === */
.contact-intro {
  text-align: center; font-size: 1.1rem; color: var(--color-text-light);
  max-width: 650px; margin: 0 auto 36px; line-height: 1.7;
}
.contact-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-bottom: 32px;
}
.contact-card {
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: 12px; padding: 28px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.contact-card h3 { font-size: 1.15rem; margin: 0 0 12px; color: var(--color-navy); }
.contact-card p { font-size: 0.95rem; color: var(--color-text); margin: 0 0 10px; line-height: 1.6; }
.contact-card-icon {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, #e6f0ff 0%, #cce0ff 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: var(--color-primary); margin-bottom: 14px;
}
.contact-note { font-size: 0.85rem !important; color: var(--color-text-light) !important; margin-top: 12px !important; }
.contact-line {
  display: flex; align-items: center; gap: 10px; margin: 8px 0; font-size: 0.95rem;
}
.contact-line i { color: var(--color-primary); width: 18px; text-align: center; }
.contact-downloads { display: flex; gap: 12px; margin-top: 12px; }
.btn-outline-sm {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border: 1px solid var(--color-border); border-radius: 6px;
  font-size: 0.85rem; font-weight: 500; color: var(--color-navy);
  text-decoration: none; transition: all 0.2s;
}
.btn-outline-sm:hover {
  border-color: var(--color-primary); color: var(--color-primary);
  box-shadow: 0 2px 4px rgba(0,102,204,0.1);
}
.contact-social { display: flex; gap: 16px; margin-top: 12px; }
.contact-social a {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.95rem; font-weight: 500; color: var(--color-navy); text-decoration: none;
  transition: color 0.2s;
}
.contact-social a:hover { color: var(--color-primary); }
.contact-social a i { font-size: 1.2rem; }
.contact-map-card {
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: 12px; padding: 28px; margin-bottom: 32px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.contact-map-card h3 {
  font-size: 1.15rem; margin: 0 0 16px; color: var(--color-navy);
  display: flex; align-items: center; gap: 10px;
}
.contact-map-link {
  display: block; position: relative; border-radius: 8px; overflow: hidden;
}
.contact-map-img {
  width: 100%; border-radius: 8px; display: block;
  transition: transform 0.3s;
}
.contact-map-link:hover .contact-map-img { transform: scale(1.02); }
.contact-map-overlay {
  position: absolute; bottom: 16px; right: 16px;
  background: var(--color-navy); color: var(--color-white);
  padding: 8px 16px; border-radius: 6px; font-size: 0.85rem; font-weight: 500;
  display: flex; align-items: center; gap: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  transition: background 0.2s;
}
.contact-map-link:hover .contact-map-overlay { background: var(--color-primary); }
.contact-outro {
  text-align: center; font-size: 0.95rem; color: var(--color-text-light);
  max-width: 650px; margin: 0 auto 48px; line-height: 1.7;
}
@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* === Footer === */
.site-footer {
  background: var(--color-navy); color: #cbd5e0; padding: 20px 0;
  margin-top: auto;
}
.footer-inner {
  display: flex; align-items: center; justify-content: center;
  gap: 12px; flex-wrap: wrap; font-size: 14px;
}
.footer-logo {
  width: 24px; height: 24px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.3); background: var(--color-white); padding: 1px;
}
.site-footer a { color: #cbd5e0; transition: color 0.2s; }
.site-footer a:hover { color: var(--color-accent); }
.footer-social { display: flex; gap: 12px; }
.footer-social a { font-size: 16px; color: #cbd5e0; }
.footer-social a:hover { color: var(--color-accent); }
.footer-lang { text-align: center; padding: 10px 0 0; font-size: 14px; }
.footer-lang a { color: var(--color-accent); font-weight: 500; }
.footer-lang a:hover { color: var(--color-white); }
.footer-lang strong { color: var(--color-white); }

/* === Language Switcher (navbar) === */
.lang-switch-navbar {
  color: var(--color-white) !important; font-weight: 600; font-size: 14px;
  padding: 6px 12px; border: 1px solid rgba(255,255,255,0.3);
  border-radius: 4px; transition: all 0.2s; text-decoration: none;
}
.lang-switch-navbar:hover {
  background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.5);
  color: var(--color-white) !important;
}

/* === Responsive === */
@media (max-width: 768px) {
  .navbar-toggle { display: flex; }
  .navbar-menu {
    display: none; position: absolute; top: var(--nav-height); left: 0; right: 0;
    flex-direction: column; background: var(--color-navy);
    padding: 8px 0; box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  }
  .navbar-menu.open { display: flex; }
  .navbar-menu li { width: 100%; }
  .navbar-menu a { display: block; padding: 10px 20px; border-radius: 0; }
  .hero-inner { flex-direction: column; text-align: center; }
  .hero-text h1 { font-size: 2rem; text-align: center; }
  .hero-text .subtitle { text-align: center; }
  .hero-image-wrap { flex: none; width: 260px; }
  .hero { padding: 60px 20px 40px; }
  .page-header h1 { font-size: 2rem; }
  .features-grid { grid-template-columns: 1fr; }
  .nav-blocks-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 48px 20px; }
}
@media (max-width: 480px) {
  .nav-blocks-grid { grid-template-columns: 1fr; }
  .hero-text h1 { font-size: 1.75rem; }
  .section-title { font-size: 1.5rem; }
}