/* =============================================================
   FriseOffer Renovierungen – Monochrome Sophisticated CSS Theme
   ============================================================= */

:root {
  /* Monochrome sophisticated palette */
  --color-black: #111111;
  --color-dark: #222326;
  --color-gray-900: #232323;
  --color-gray-800: #2e2e2e;
  --color-gray-700: #444;
  --color-gray-600: #666;
  --color-gray-500: #888;
  --color-gray-400: #b0b0b0;
  --color-gray-300: #d6d6d6;
  --color-gray-200: #ededed;
  --color-gray-100: #f7f7f7;
  --color-white: #fff;
  /* Brand colors for subtle accents */
  --brand-primary: #234159;
  --brand-secondary: #7B9674;
  --brand-accent: #F5F5F2;
  /* Typography */
  --font-display: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Roboto', Arial, Helvetica, sans-serif;
  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.12);
  /* Transitions */
  --transition: all 0.25s cubic-bezier(.4,0,.2,1);
  /* Spacing */
  --container-padding: 20px;
  --section-margin-bottom: 60px;
  --section-padding: 40px 20px;
  --gap-main: 24px;
  --gap-card: 20px;
  --gap-feature: 20px;
  --gap-testimonial: 20px;
  --gap-text-image: 30px;
  --radius: 10px;
}

html {
  box-sizing: border-box;
  font-size: 16px;
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}

body {
  background: var(--color-white);
  color: var(--color-black);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  margin: 0;
  min-height: 100vh;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

/* =====================
   Typography
   ===================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-black);
  font-weight: 700;
  margin-top: 0;
  margin-bottom: 0.7em;
  letter-spacing: 0.01em;
}
h1 {
  font-size: 2.2rem;
  line-height: 1.15;
  margin-bottom: 0.5em;
}
h2 {
  font-size: 1.6rem;
  line-height: 1.2;
  margin-bottom: 0.5em;
}
h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5em;
}
p, ul, ol {
  margin-top: 0;
  margin-bottom: 1.2em;
}
strong {
  font-weight: 700;
  color: var(--color-black);
}
small {
  font-size: 0.95em;
  color: var(--color-gray-600);
}
a {
  color: var(--color-black);
  text-decoration: underline;
  transition: color 0.2s;
}
a:hover, a:focus {
  color: var(--brand-primary);
  text-decoration: none;
}

/* =====================
   Layout Containers
   ===================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
  display: flex;
  flex-direction: column;
}
.content-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

/* =====================
   Section Spacing
   ===================== */
section {
  margin-bottom: var(--section-margin-bottom);
  padding: var(--section-padding);
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: 0 2px 12px rgba(0,0,0,0.03);
}

/* =====================
   Header & Navigation
   ===================== */
header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
  position: sticky;
  top: 0;
  z-index: 100;
}
header .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 32px;
}
header img {
  height: 48px;
  width: auto;
  margin-right: 24px;
}
.main-nav {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 24px;
}
.main-nav a {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--color-black);
  text-decoration: none;
  padding: 8px 0;
  position: relative;
  transition: color 0.2s;
}
.main-nav a:not(.cta):hover, .main-nav a:not(.cta):focus {
  color: var(--brand-primary);
}
.main-nav .cta {
  background: var(--color-black);
  color: var(--color-white);
  border-radius: var(--radius);
  padding: 10px 22px;
  font-weight: 700;
  margin-left: 12px;
  box-shadow: var(--shadow-card);
  border: none;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}
.main-nav .cta:hover, .main-nav .cta:focus {
  background: var(--brand-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-hover);
}

/* Hamburger Button */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-black);
  cursor: pointer;
  margin-left: 16px;
  transition: color 0.2s;
  z-index: 120;
}
.mobile-menu-toggle:focus {
  outline: 2px solid var(--brand-primary);
}

/* Mobile Menu Overlay */
.mobile-menu {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(17,17,17,0.98);
  z-index: 200;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(.4,0,.2,1);
  opacity: 0;
  pointer-events: none;
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-close {
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 2.2rem;
  align-self: flex-end;
  margin: 24px 24px 0 0;
  cursor: pointer;
  transition: color 0.2s;
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  color: var(--brand-secondary);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin: 48px 0 0 32px;
}
.mobile-nav a {
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 1.3rem;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: color 0.2s;
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--brand-secondary);
}

/* Hide main nav on mobile, show hamburger */
@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
}
@media (min-width: 1025px) {
  .mobile-menu {
    display: none !important;
  }
}

/* =====================
   Section Layouts & Cards
   ===================== */
.section {
  margin-bottom: var(--section-margin-bottom);
  padding: var(--section-padding);
}
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-main);
}
.card {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px 24px;
  min-width: 260px;
  flex: 1 1 320px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover, .card:focus-within {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px) scale(1.01);
}
.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;
}
.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 28px;
  background: var(--color-gray-100);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  margin-bottom: 20px;
  max-width: 600px;
  transition: box-shadow 0.2s;
}
.testimonial-card p {
  color: var(--color-black);
  font-style: italic;
  font-size: 1.1rem;
  margin-bottom: 0.2em;
}
.testimonial-card small {
  color: var(--color-gray-700);
  font-weight: 500;
}
.testimonial-card:hover, .testimonial-card:focus-within {
  box-shadow: var(--shadow-hover);
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* Feature grid for Leistungen, Referenzen, etc. */
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-feature);
  margin-top: 20px;
}
.feature-grid > div {
  background: var(--color-gray-100);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  padding: 24px 20px;
  flex: 1 1 260px;
  min-width: 220px;
  margin-bottom: 20px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.feature-grid > div:hover, .feature-grid > div:focus-within {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px) scale(1.01);
}
.feature-grid strong {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-black);
  margin-bottom: 0.3em;
}

/* FAQ List */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.faq-list > div {
  background: var(--color-gray-100);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
  margin-bottom: 20px;
  transition: box-shadow 0.2s;
}
.faq-list > div strong {
  font-family: var(--font-display);
  color: var(--color-black);
  font-size: 1.05rem;
}
.faq-list > div:hover, .faq-list > div:focus-within {
  box-shadow: var(--shadow-hover);
}

/* =====================
   CTA Buttons
   ===================== */
.cta {
  display: inline-block;
  background: var(--color-black);
  color: var(--color-white) !important;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: var(--radius);
  padding: 14px 32px;
  margin-top: 12px;
  box-shadow: var(--shadow-card);
  border: none;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s, transform 0.2s;
  cursor: pointer;
}
.cta:hover, .cta:focus {
  background: var(--brand-primary);
  color: var(--color-white) !important;
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px) scale(1.01);
}

/* =====================
   Footer
   ===================== */
footer {
  background: var(--color-black);
  color: var(--color-white);
  padding: 0;
  margin-top: 60px;
}
footer .container {
  flex-direction: column;
  align-items: stretch;
  padding-top: 40px;
  padding-bottom: 40px;
}
footer .content-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: flex-start;
  justify-content: space-between;
}
.footer-menu {
  display: flex;
  flex-direction: row;
  gap: 24px;
  margin-bottom: 16px;
}
.footer-menu a {
  color: var(--color-gray-200);
  font-family: var(--font-display);
  font-size: 1rem;
  text-decoration: none;
  transition: color 0.2s;
}
.footer-menu a:hover, .footer-menu a:focus {
  color: var(--brand-secondary);
}
.brand-info {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 18px;
  margin-bottom: 12px;
}
.brand-info img {
  height: 36px;
  width: auto;
}
.brand-info span {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--color-gray-200);
}
.contact-info {
  font-size: 0.98rem;
  color: var(--color-gray-300);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* =====================
   Cookie Consent Banner
   ===================== */
.cookie-banner {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100vw;
  background: var(--color-black);
  color: var(--color-white);
  box-shadow: 0 -2px 16px rgba(0,0,0,0.12);
  z-index: 3000;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 24px 20px;
  gap: 32px;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s, transform 0.3s;
}
.cookie-banner.hide {
  opacity: 0;
  pointer-events: none;
  transform: translateY(100%);
}
.cookie-banner .cookie-text {
  flex: 1 1 0;
  font-size: 1rem;
  color: var(--color-white);
  margin-right: 24px;
}
.cookie-banner .cookie-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
}
.cookie-btn {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  padding: 10px 22px;
  margin: 0;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.cookie-btn.accept {
  background: var(--brand-primary);
  color: var(--color-white);
}
.cookie-btn.accept:hover, .cookie-btn.accept:focus {
  background: var(--color-white);
  color: var(--brand-primary);
}
.cookie-btn.reject {
  background: var(--color-gray-700);
  color: var(--color-white);
}
.cookie-btn.reject:hover, .cookie-btn.reject:focus {
  background: var(--color-gray-400);
  color: var(--color-black);
}
.cookie-btn.settings {
  background: var(--color-white);
  color: var(--color-black);
  border: 1px solid var(--color-gray-300);
}
.cookie-btn.settings:hover, .cookie-btn.settings:focus {
  background: var(--brand-secondary);
  color: var(--color-white);
  border-color: var(--brand-secondary);
}

/* Cookie Modal */
.cookie-modal-overlay {
  position: fixed;
  left: 0; top: 0; right: 0; bottom: 0;
  background: rgba(17,17,17,0.85);
  z-index: 4000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.cookie-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.cookie-modal {
  background: var(--color-white);
  color: var(--color-black);
  border-radius: var(--radius);
  box-shadow: 0 8px 40px rgba(0,0,0,0.18);
  padding: 36px 32px 28px 32px;
  min-width: 320px;
  max-width: 95vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  animation: fadeInModal 0.4s cubic-bezier(.4,0,.2,1);
}
@keyframes fadeInModal {
  from { opacity: 0; transform: translateY(40px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.cookie-modal h2 {
  font-size: 1.3rem;
  margin-bottom: 0.5em;
}
.cookie-modal .cookie-categories {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.cookie-category {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 1rem;
}
.cookie-category label {
  font-weight: 600;
  font-family: var(--font-display);
}
.cookie-category input[type="checkbox"] {
  accent-color: var(--brand-primary);
  width: 20px;
  height: 20px;
  margin-right: 8px;
}
.cookie-category.essential label {
  color: var(--brand-primary);
}
.cookie-modal .cookie-modal-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
  margin-top: 12px;
}
.cookie-modal .cookie-modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--color-gray-700);
  cursor: pointer;
  transition: color 0.2s;
}
.cookie-modal .cookie-modal-close:hover, .cookie-modal .cookie-modal-close:focus {
  color: var(--brand-primary);
}

/* =====================
   Responsive Design
   ===================== */
@media (max-width: 1024px) {
  .footer-menu {
    flex-direction: column;
    gap: 10px;
  }
  .content-wrapper {
    gap: 24px;
  }
  .feature-grid {
    gap: 16px;
  }
}
@media (max-width: 900px) {
  .footer .content-wrapper {
    flex-direction: column;
    gap: 32px;
  }
}
@media (max-width: 768px) {
  .container {
    padding-left: 10px;
    padding-right: 10px;
  }
  section {
    padding: 28px 8px;
    margin-bottom: 36px;
  }
  .feature-grid {
    flex-direction: column;
    gap: 14px;
  }
  .feature-grid > div {
    min-width: 0;
    width: 100%;
    padding: 18px 12px;
  }
  .card-container {
    flex-direction: column;
    gap: 14px;
  }
  .card {
    min-width: 0;
    width: 100%;
    padding: 18px 12px;
  }
  .testimonial-card {
    padding: 16px 10px;
    max-width: 100%;
  }
  .text-image-section {
    flex-direction: column;
    gap: 18px;
  }
  .content-grid {
    flex-direction: column;
    gap: 14px;
  }
  .footer .content-wrapper {
    flex-direction: column;
    gap: 24px;
  }
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 18px 10px;
  }
  .cookie-banner .cookie-text {
    margin-right: 0;
  }
  .cookie-modal {
    padding: 18px 8px 18px 8px;
    min-width: 0;
    width: 98vw;
  }
}
@media (max-width: 480px) {
  h1 {
    font-size: 1.4rem;
  }
  h2 {
    font-size: 1.1rem;
  }
  .cta {
    font-size: 1rem;
    padding: 10px 16px;
  }
  .brand-info img {
    height: 28px;
  }
}

/* =====================
   Miscellaneous
   ===================== */
ul, ol {
  padding-left: 1.2em;
}
li {
  margin-bottom: 0.5em;
}
hr {
  border: none;
  border-top: 1px solid var(--color-gray-200);
  margin: 32px 0;
}

/* =====================
   Accessibility
   ===================== */
:focus {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

/* =====================
   Utility Classes
   ===================== */
.hide {
  display: none !important;
}

/* =====================
   Prevent Overlapping
   ===================== */
.card, .feature-grid > div, .testimonial-card, .faq-list > div {
  margin-bottom: 20px;
}
.section, section {
  margin-bottom: 60px;
}

/* =====================
   Print Styles
   ===================== */
@media print {
  header, footer, .cookie-banner, .mobile-menu { display: none !important; }
  section, .section { box-shadow: none !important; background: #fff !important; }
}