/* ===============================
   ImmoKompass Deutschland – Elegant Classic Theme
   Author: Senior CSS Developer & UI Designer
   Notes:
   - Mobile-first
   - Flexbox-only layouts (no CSS Grid / Columns)
   - Serif display, muted colors, classic proportions
   - Consistent spacing, hierarchy, micro-interactions
   =============================== */

/* -------------------------------
   CSS Reset & Normalize (light)
   ------------------------------- */
* { box-sizing: border-box; }
*::before, *::after { box-sizing: inherit; }
html, body { margin: 0; padding: 0; }
img, svg { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding-left: 1.2rem; }

/* -------------------------------
   Design Tokens
   ------------------------------- */
:root {
  --primary: #1E3A5F;      /* deep, classic blue */
  --primary-600: #17304E;
  --primary-700: #12263E;
  --secondary: #7A9E8C;    /* muted sage */
  --secondary-700: #5E7C6E;
  --accent: #F5F7FA;       /* soft light */
  --ink: #1F2A37;          /* dark readable */
  --ink-muted: #4B5563;    /* muted text */
  --line: #E5E7EB;         /* subtle border */
  --panel: #FFFFFF;        /* white panel */
  --focus: #9FB9AD;        /* focus ring */
  --shadow: 0 6px 16px rgba(17, 24, 39, 0.06);
  --radius-s: 6px;
  --radius-m: 10px;
  --radius-l: 14px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;
  --space-40: 40px;
  --space-60: 60px;
  --transition: all 220ms ease;
}

/* -------------------------------
   Base Typography
   ------------------------------- */
html { font-size: 16px; }
body {
  font-family: Verdana, Geneva, Tahoma, sans-serif; /* brand body */
  color: var(--ink);
  background: #FFFFFF;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: Georgia, 'Times New Roman', Times, serif; /* elegant serif display */
  color: var(--primary);
  line-height: 1.25;
  margin: 0 0 var(--space-16);
  letter-spacing: 0.2px;
}

h1 { font-size: 2rem; margin-bottom: var(--space-20); }
h2 { font-size: 1.5rem; margin-top: var(--space-8); }
h3 { font-size: 1.25rem; color: var(--primary-600); }

p { margin: 0 0 var(--space-16); color: var(--ink); }
strong { font-weight: 700; color: var(--primary-700); }
em { font-style: italic; }

ul, ol { margin: 0 0 var(--space-16); }
li { margin-bottom: 8px; }

small, .small { font-size: 0.875rem; color: var(--ink-muted); }

/* Links */
a { color: var(--primary-700); text-underline-offset: 3px; }
a:hover { color: var(--primary); text-decoration: underline; }
a:focus-visible, button:focus-visible { outline: 2px dotted var(--focus); outline-offset: 2px; border-radius: 4px; }

/* -------------------------------
   Global Layout Wrappers (Flexbox only)
   ------------------------------- */
.container {
  display: flex;
  width: 100%;
  justify-content: center;
  padding: 0 var(--space-16);
}
.content-wrapper {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 1100px;
  gap: var(--space-16);
}

main section { padding: var(--space-40) 0; border-bottom: 1px solid var(--line); }
main section:last-of-type { border-bottom: none; }

/* Elegant section variant (mandatory pattern) */
.section { margin-bottom: 60px; padding: 40px 20px; }

/* -------------------------------
   Header & Navigation
   ------------------------------- */
header { background: var(--panel); border-bottom: 1px solid var(--line); position: relative; z-index: 100; }
header .content-wrapper { flex-direction: row; align-items: center; justify-content: space-between; gap: var(--space-16); padding: var(--space-12) 0; }

.logo { display: flex; align-items: center; }
.logo img { height: 38px; width: auto; }

.main-nav { display: none; align-items: center; gap: var(--space-20); }
.main-nav a {
  color: var(--ink);
  padding: 10px 6px;
  border-radius: var(--radius-s);
  transition: var(--transition);
}
.main-nav a:hover { color: var(--primary-700); background: var(--accent); text-decoration: none; }
.main-nav a[aria-current="page"] { color: var(--primary); border-bottom: 2px solid var(--secondary); }

.header-cta { display: none; }
.header-cta a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.header-cta a:hover { background: var(--primary-600); text-decoration: none; transform: translateY(-1px); }

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  background: #fff; color: var(--primary-700);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
}
.mobile-menu-toggle:hover { background: var(--accent); }

/* Mobile Off-canvas Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  background: #ffffff;
  padding: var(--space-20);
  transform: translateX(100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 280ms ease, opacity 280ms ease;
  z-index: 1000;
  border-left: 1px solid var(--line);
}
.mobile-menu.open, .mobile-menu.active, body.menu-open .mobile-menu, .mobile-menu[aria-expanded="true"] {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-close {
  align-self: flex-end;
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  background: #fff; color: var(--primary-700);
  border-radius: 8px;
  margin-bottom: var(--space-16);
  cursor: pointer;
}
.mobile-nav { display: flex; flex-direction: column; gap: var(--space-12); }
.mobile-nav a {
  display: flex; align-items: center;
  padding: 14px 10px;
  font-size: 1.05rem;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  transition: var(--transition);
}
.mobile-nav a:hover { background: var(--accent); color: var(--primary-700); text-decoration: none; }
.mobile-nav a[aria-current="page"] { color: var(--primary); font-weight: 700; }

/* -------------------------------
   Breadcrumbs
   ------------------------------- */
nav[aria-label="Brotkrumen"] { display: flex; flex-wrap: wrap; gap: 6px; font-size: 0.875rem; color: var(--ink-muted); }
nav[aria-label="Brotkrumen"] a { color: var(--primary-700); }
nav[aria-label="Brotkrumen"] a:hover { text-decoration: underline; }

/* -------------------------------
   Content Utilities
   ------------------------------- */
.text-section { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-12); margin-top: var(--space-12); }

/* Button styles for inline anchors */
.text-section a, .btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #fff;
  transition: var(--transition);
  box-shadow: var(--shadow);
}
.text-section a:hover, .btn:hover { background: var(--primary-600); text-decoration: none; transform: translateY(-1px); }
.text-section a + a { /* secondary style for subsequent CTAs */
  background: transparent; color: var(--primary);
  border-color: var(--primary);
  box-shadow: none;
}
.text-section a + a:hover { background: var(--accent); }

/* Lists in feature style */
.feature-list { display: flex; flex-direction: column; gap: 8px; }

/* Testimonial card (mandatory pattern extended) */
.testimonial-card { display: flex; align-items: center; gap: 20px; padding: 20px; background: #FFFFFF; border: 1px solid var(--line); border-radius: var(--radius-m); box-shadow: var(--shadow); }
.testimonial-card p { margin: 0; color: var(--ink); }
.testimonial-card p strong { color: var(--primary-700); }

/* Cards & flexible groups (not all pages use them but included for consistency) */
.card-container { display: flex; flex-wrap: wrap; gap: 24px; }
.card { margin-bottom: 20px; position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-m); padding: var(--space-16); box-shadow: var(--shadow); }

.content-grid { display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; }
.text-image-section { display: flex; align-items: center; gap: 30px; flex-wrap: wrap; }
.feature-item { display: flex; flex-direction: column; align-items: flex-start; gap: 15px; }

/* -------------------------------
   Sections & Emphasis Blocks
   ------------------------------- */
section:nth-of-type(odd) { background: #FFFFFF; }
section:nth-of-type(even) { background: var(--accent); }

/* Emphasis within even sections */
section:nth-of-type(even) .content-wrapper {
  /* keep classic spacious feel */
}

/* -------------------------------
   Footer
   ------------------------------- */
footer { background: var(--accent); border-top: 1px solid var(--line); }
footer .content-wrapper { flex-direction: column; gap: var(--space-16); padding: var(--space-24) 0; }
footer nav { display: flex; flex-wrap: wrap; gap: var(--space-12); }
footer nav a { color: var(--ink-muted); padding: 6px 0; }
footer nav a:hover { color: var(--primary-700); text-decoration: underline; }
footer .text-section p { color: var(--ink-muted); margin: 0; }

/* -------------------------------
   Accessibility & States
   ------------------------------- */
[aria-current="page"] { font-weight: 700; }
:focus { scroll-margin-top: 100px; }

/* -------------------------------
   Cookie Consent Banner & Modal
   ------------------------------- */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-12);
  background: #ffffff;
  border-top: 1px solid var(--line);
  box-shadow: 0 -10px 20px rgba(0,0,0,0.05);
  padding: var(--space-16) var(--space-20);
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 280ms ease, opacity 280ms ease;
  z-index: 1100;
}
.cookie-banner.show, .cookie-banner.active, body.cookie-banner-open .cookie-banner { transform: translateY(0); opacity: 1; pointer-events: auto; }
.cookie-banner .cookie-text { flex: 1 1 240px; color: var(--ink); }
.cookie-actions { display: flex; align-items: center; gap: var(--space-12); }
.cookie-btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 16px; border-radius: 999px; border: 1px solid var(--primary); background: var(--primary); color: #fff; transition: var(--transition); }
.cookie-btn:hover { background: var(--primary-600); }
.cookie-btn.secondary { background: transparent; color: var(--primary); }
.cookie-btn.secondary:hover { background: var(--accent); }
.cookie-btn.ghost { border-color: var(--secondary); color: var(--secondary-700); background: transparent; }
.cookie-btn.ghost:hover { background: #F0F4F6; }

/* Cookie Preferences Modal */
.cookie-backdrop { position: fixed; inset: 0; background: rgba(17, 24, 39, 0.45); opacity: 0; pointer-events: none; transition: var(--transition); z-index: 1190; }
.cookie-backdrop.show, body.cookie-modal-open .cookie-backdrop { opacity: 1; pointer-events: auto; }
.cookie-modal { position: fixed; left: 50%; top: 50%; transform: translate(-50%, -40%); background: #fff; width: min(92%, 640px); border-radius: var(--radius-l); border: 1px solid var(--line); box-shadow: var(--shadow); padding: var(--space-24); display: flex; flex-direction: column; gap: var(--space-16); opacity: 0; pointer-events: none; transition: var(--transition); z-index: 1200; }
.cookie-modal.show, body.cookie-modal-open .cookie-modal { opacity: 1; pointer-events: auto; transform: translate(-50%, -50%); }
.cookie-modal .modal-header { display: flex; align-items: center; justify-content: space-between; gap: var(--space-12); }
.cookie-modal .modal-body { display: flex; flex-direction: column; gap: var(--space-12); }
.cookie-modal .modal-actions { display: flex; flex-wrap: wrap; gap: var(--space-12); justify-content: flex-end; }

/* -------------------------------
   Forms (generic styling if used later)
   ------------------------------- */
input[type="text"], input[type="email"], input[type="tel"], textarea, select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: #fff;
  color: var(--ink);
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--secondary); outline-offset: 0; }

/* -------------------------------
   Responsive Rules (mobile-first)
   ------------------------------- */
/* Text-image layout: column on mobile */
.text-image-section { flex-direction: column; }

@media (min-width: 600px) {
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.625rem; }
}

@media (min-width: 768px) {
  /* Show desktop nav and CTA */
  .main-nav { display: flex; }
  .header-cta { display: flex; }
  .mobile-menu-toggle { display: none; }

  /* Content rhythm */
  .content-wrapper { gap: var(--space-20); }

  /* Text-image: row on tablet+ */
  .text-image-section { flex-direction: row; }

  /* Button groups in text sections align horizontally */
  .text-section { flex-direction: column; }
  .text-section a { align-self: flex-start; }
}

@media (min-width: 992px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.375rem; }

  header .content-wrapper { padding: var(--space-16) 0; }
}

/* -------------------------------
   Elegant Classic Finishing Touches
   ------------------------------- */
/* Subtle separators for classic hierarchy */
hr { border: none; border-top: 1px solid var(--line); margin: var(--space-24) 0; }

/* Lead paragraphs */
.lead, section .content-wrapper > p:first-of-type { font-size: 1.0625rem; color: var(--ink); }

/* Inline callouts inside content */
.callout { display: flex; padding: var(--space-16); border: 1px solid var(--line); border-radius: var(--radius-m); background: #fff; }

/* -------------------------------
   Specific Page Element Tweaks
   ------------------------------- */
/* Index: trust signal block */
[aria-label="Vertrauenssignale"] { display: flex; flex-direction: column; gap: 6px; padding: 12px 14px; border-left: 3px solid var(--secondary); background: #ffffff; border-radius: var(--radius-s); }

/* Ordered steps styling */
ol { counter-reset: step; }
ol > li { position: relative; padding-left: 28px; }
ol > li::before { content: counter(step) "."; counter-increment: step; position: absolute; left: 0; top: 0; color: var(--secondary-700); font-family: Georgia, 'Times New Roman', Times, serif; }

/* Tables (if any appear later) */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px; border-bottom: 1px solid var(--line); }

/* -------------------------------
   Hover & Active Micro-interactions
   ------------------------------- */
.main-nav a, .text-section a, .cookie-btn, .mobile-nav a { transition: var(--transition); }

/* -------------------------------
   Print basics
   ------------------------------- */
@media print {
  .mobile-menu, .mobile-menu-toggle, .cookie-banner, .cookie-backdrop, .cookie-modal { display: none !important; }
  a { text-decoration: underline; }
}