/* ---------------------------------------------------------
   Volt Panorama Sanierung - "Monochrome Sophisticated" Theme
   Responsive, Flexbox-based, Clean + Elegant for All Pages
--------------------------------------------------------- */
/* ==== CSS RESET & NORMALIZE ==== */
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li,
fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside,
canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font-weight: inherit;
  font: inherit;
  vertical-align: baseline;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  line-height: 1.6;
  font-family: 'Open Sans', Arial, Helvetica, sans-serif;
  color: #18181a;
  background: #fafafb;
  min-height: 100vh;
  font-size: 16px;
}
img, svg {
  display: inline-block;
  max-width: 100%;
  height: auto;
  vertical-align: middle;
  user-select: none;
}
ul, ol {
  list-style: none;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.18s cubic-bezier(.4,.2,.3,1);
}
a:focus-visible {
  outline: 2px solid #143056;
  outline-offset: 2px;
}

/* ==== MONOCHROME FINAL PALETTE ==== */
:root {
  --vp-primary: #18181a;      /* Monochrome black (for headings, nav, footer) */
  --vp-secondary: #7a7a8c;   /* Middle gray for body text */
  --vp-bg: #fafafb;          /* Off-white/light gray main background */
  --vp-card-bg: #fff;        /* White for cards/sections */
  --vp-contrast: #232335;    /* Deep slightly blue-tinted black for accents */
  --vp-shadow: rgba(20,30,36,0.12);        /* Subtle shadow */
  --vp-muted: #ececf2;       /* Muted, subtle border gray */
  --vp-brand-primary: #143056;
  --vp-brand-secondary: #8CB0D3;
  --vp-brand-accent: #F3F3EE;
}

/* ==== TYPOGRAPHY ==== */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  color: var(--vp-primary);
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
h1 {
  font-size: 2.375rem; /* 38px */
  margin-bottom: 20px;
  text-shadow: 0 2px 6px rgba(24,24,26,0.06);
}
h2 {
  font-size: 1.75rem; /* 28px */
  margin-bottom: 14px;
  border-left: 4px solid var(--vp-brand-primary);
  padding-left: 12px;
}
h3 {
  font-size: 1.25rem; /* 20px */
  font-weight: 600;
  margin-bottom: 7px;
}

body, p, li, td, th, label, input, textarea, select {
  font-family: 'Open Sans', Arial, Helvetica, sans-serif;
  color: var(--vp-secondary);
  font-size: 1rem;
  font-weight: 400;
}
p, ul, ol, dl, small {
  margin-bottom: 18px;
}
strong {
  font-weight: 600;
  color: var(--vp-primary);
}
small {
  color: #52525a;
  font-size: 0.92em;
}

/* === LAYOUT: SPACING, CONTAINERS === */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 18px;
  box-sizing: border-box;
}
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
}
.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
}

/* ==== HEADER ==== */
header {
  width: 100%;
  background: #fff;
  box-shadow: 0 3px 16px 0 rgba(24,24,26,0.05);
  z-index: 30;
  position: sticky;
  top: 0;
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 77px;
  padding-top: 0; padding-bottom: 0;
}
.logo {
  display: flex;
  align-items: center;
  height: 60px;
}
header nav {
  display: flex;
  align-items: center;
  gap: 24px;
}
header nav a {
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-weight: 500;
  font-size: 1rem;
  color: var(--vp-primary);
  opacity: .84;
  padding: 7px 0;
  position: relative;
  transition: color 0.18s, opacity 0.25s;
}
header nav a:hover,
header nav a:focus {
  color: var(--vp-brand-primary);
  opacity: 1;
}

.cta-btn {
  appearance: none;
  display: inline-block;
  background: var(--vp-primary);
  color: #fff;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 12px 28px;
  border-radius: 22px;
  box-shadow: 0 3px 12px var(--vp-shadow);
  border: none;
  margin-left: 18px;
  cursor: pointer;
  transition: background .15s cubic-bezier(.5,.25,.3,1), filter .15s;
  outline: 0;
}
.cta-btn:hover, .cta-btn:focus {
  background: var(--vp-brand-primary);
  filter: brightness(1.15);
  color: #fff;
}

/* === MOBILE NAVIGATION === */
.mobile-menu-toggle {
  display: flex;
  background: none;
  border: none;
  color: var(--vp-primary);
  font-size: 2.2rem;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 4px 8px;
  transition: color 0.18s;
  z-index: 102;
}
.mobile-menu-toggle:focus,
.mobile-menu-toggle:hover {
  color: var(--vp-brand-primary);
}
.mobile-menu {
  position: fixed;
  left: 0; top: 0;
  width: 100%;
  height: 100%;
  background: #fff;
  box-shadow: 0 2px 80px 0 rgba(32,32,40,0.18);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  transform: translateX(-100%);
  transition: transform .32s cubic-bezier(.6,0,.32,1);
  opacity: 0;
  pointer-events: none;
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: all;
}
.mobile-menu-close {
  align-self: flex-end;
  background: none;
  border: none;
  font-size: 2.1rem;
  color: var(--vp-primary);
  margin: 18px 20px 0 0;
  cursor: pointer;
  transition: color 0.14s;
  z-index: 20;
}
.mobile-menu-close:focus, .mobile-menu-close:hover {
  color: var(--vp-brand-primary);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
  align-items: flex-start;
  margin-top: 30px;
  padding: 0 32px;
}
.mobile-nav a {
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-size: 1.25rem;
  padding: 15px 0;
  color: var(--vp-primary);
  font-weight: 500;
  transition: color 0.16s;
  width: 100%;
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--vp-brand-primary);
}

@media (min-width: 996px) {
  .mobile-menu,
  .mobile-menu-toggle {
    display: none !important;
  }
}
@media (max-width: 995px) {
  header nav,
  .cta-btn {
    display: none;
  }
  .mobile-menu-toggle {
    display: flex;
  }
}

/* ==== HERO + GENERAL SECTIONS ==== */
.hero {
  background: linear-gradient(180deg,#fff 80%,#ececf2 100%);
  box-shadow: 0 2px 24px 0 rgba(32,32,42,0.06);
  min-height: 280px;
  display: flex;
  padding: 54px 0 60px 0;
  align-items: center;
  margin-bottom: 40px;
}
.hero .container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}
.hero .content-wrapper {
  max-width: 750px;
  gap: 18px;
}

.section {
  background: var(--vp-card-bg);
  box-shadow: 0 2px 18px 0 var(--vp-shadow);
  border-radius: 20px;
  margin-bottom: 60px;
  padding: 40px 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

@media (max-width: 768px) {
  .section {
    padding: 32px 8px;
    border-radius: 13px;
    margin-bottom: 46px;
  }
  .hero {
    padding: 35px 0 40px 0;
  }
}

/* ==== FLEXBOX LAYOUT PATTERNS ==== */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  position: relative;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 2px 12px 0 var(--vp-shadow);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.18s;
}
.card:hover {
  box-shadow: 0 8px 28px 0 rgba(32,32,42,0.18);
}
.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;
}
@media (max-width: 768px) {
  .content-grid,
  .text-image-section {
    flex-direction: column;
    align-items: stretch;
    gap: 15px;
  }
}

.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  background: #fcfcfd;
  border: 1.5px solid var(--vp-muted);
  border-radius: 18px;
  padding: 20px;
  min-width: 270px;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px 0 rgba(80,80,90,0.06);
  transition: box-shadow .19s;
}
.testimonial-card:hover {
  box-shadow: 0 8px 22px 0 rgba(32,32,42,0.09);
  border-color: var(--vp-brand-primary);
}
.testimonial-card p {
  color: #232335;
  font-size: 1.13em;
  font-style: italic;
}
.testimonial-card strong {
  font-size: 1em;
  color: var(--vp-primary);
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-weight: 600;
}
.testimonial-card img {
  width: 22px;
  height: 22px;
  margin-right: 1px;
}

/* Feature Items (when needed) */
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 20px;
}

/* Utility: card content vertical alignment */
.card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* ==== LISTS ==== */
ul, ol {
  padding-left: 0;
}
ul li {
  margin-bottom: 13px;
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 11px;
  color: var(--vp-secondary);
  font-size: 1rem;
}
ul li img {
  width: 23px; height: 23px; flex-shrink: 0;
  margin-right: 3px;
  filter: grayscale(1) brightness(0.35) contrast(1.65);
  opacity: .95;
}
dt {
  font-weight: 600;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  margin-bottom: 7px;
  color: var(--vp-primary);
}
dd {
  margin-bottom: 18px;
  color: var(--vp-secondary);
  margin-left: 0;
}

/* ==== TABLES ==== */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
  background: #fff;
  border-radius: 11px;
  overflow: hidden;
  box-shadow: 0 1px 5px 0 var(--vp-shadow);
}
th, td {
  padding: 14px 7px;
  text-align: left;
  font-size: 1em;
  border-bottom: 1px solid var(--vp-muted);
  color: var(--vp-primary);
}
th {
  background: var(--vp-brand-accent);
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-weight: 600;
  letter-spacing: 0.01em;
}
tr:last-child td {
  border-bottom: none;
}

/* ==== BUTTONS & INTERACTIVE ==== */
button, .cta-btn {
  transition: background .15s, box-shadow .22s, color .14s, border-color .16s;
  cursor: pointer;
  outline: 0;
}
button:disabled, .cta-btn:disabled {
  opacity: .6;
  pointer-events: none;
}

/* ==== FOOTER ==== */
footer {
  background: var(--vp-primary);
  color: #fff;
  padding: 50px 0 24px 0;
  width: 100%;
  box-shadow: 0 -2px 18px 0 rgba(50,50,60,0.07);
  margin-top: 60px;
}
footer .container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}
.footer-logo {
  display: flex;
  align-items: center;
  height: 48px;
  margin-bottom: 15px;
}
footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-bottom: 16px;
}
footer nav a {
  color: #ececf2;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-size: 1rem;
  opacity: .79;
  font-weight: 500;
  padding: 5px 0;
  transition: color 0.18s, opacity 0.22s;
}
footer nav a:hover, footer nav a:focus {
  color: var(--vp-brand-secondary);
  opacity: 1;
}
.footer-contact-info {
  width: 100%;
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  align-items: flex-start;
}
.footer-contact-info ul {
  margin-bottom: 12px;
  font-size: 0.97rem;
  color: #ececf2;
}
.footer-contact-info li img {
  filter: brightness(8) grayscale(1);
}
.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.footer-legal-links a {
  color: #b4b7c4;
  font-size: 0.96em;
  font-weight: 400;
  opacity: 1;
  text-underline-offset: 1px;
  transition: color 0.16s;
}
.footer-legal-links a:hover, .footer-legal-links a:focus {
  color: var(--vp-brand-secondary);
  text-decoration: underline;
}
@media (max-width: 800px) {
  footer .container {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }
  .footer-contact-info {
    flex-direction: column;
    gap: 12px;
  }
}

/* ==== MISC ==== */
.text-section {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
@media (max-width: 600px) {
  h1 { font-size: 1.55rem; }
  h2 { font-size: 1.15rem; }
  h3 { font-size: 1.00rem; }
  .section, .hero { padding: 18px 4px; }
  .container { padding: 0 5px; }
}

.content-wrapper {
  gap: 24px;
}
.content-wrapper > * {
  margin-bottom: 0 !important;
}

/* ==== ANIMATIONS ==== */
.cta-btn, .card, .testimonial-card, .mobile-menu, .mobile-nav a, .cookie-banner, .cookie-modal {
  transition-timing-function: cubic-bezier(.5,.25,.3,1);
}
.cta-btn {
  transition-duration: .22s;
}
.card, .testimonial-card {
  transition-duration: .20s;
}
.mobile-menu, .cookie-modal, .cookie-banner {
  transition-duration: .32s;
}
.mobile-nav a {
  transition-duration: .15s;
}

/* ==== GDRP & COOKIE CONSENT BANNER ==== */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1300;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  background: #fff;
  border-top: 2px solid var(--vp-muted);
  box-shadow: 0 -2px 32px 0 var(--vp-shadow);
  padding: 26px 18px 20px 18px;
  min-height: 62px;
  gap: 20px;
  opacity: 1;
  transform: translateY(0);
}
.cookie-banner.hide {
  opacity: 0;
  pointer-events: none;
  transform: translateY(90px);
}
.cookie-banner .cookie-message {
  color: var(--vp-primary);
  font-size: 1.04rem;
  flex: 1 1 auto;
  margin-right: 22px;
}
.cookie-banner .cookie-actions {
  display: flex;
  flex-direction: row;
  gap: 12px;
}

.cookie-banner button, .cookie-banner .cookie-btn {
  background: var(--vp-primary);
  color: #fff;
  border: none;
  border-radius: 100px;
  padding: 8px 22px;
  margin: 0;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background .14s;
}
.cookie-banner .cookie-btn.reject {
  background: #ececf2;
  color: #232335;
  border: 1.2px solid var(--vp-muted);
}
.cookie-banner .cookie-btn.reject:hover {
  background: #dedee8;
  color: var(--vp-primary);
}
.cookie-banner .cookie-btn.settings {
  background: var(--vp-brand-primary);
  color: #fff;
}
.cookie-banner .cookie-btn.settings:hover {
  background: var(--vp-brand-secondary);
}
.cookie-banner .cookie-btn.accept:hover, .cookie-banner .cookie-btn.accept:focus {
  background: var(--vp-brand-primary);
  color: #fff;
}

/* ===== COOKIE MODAL ===== */
.cookie-modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(24,24,26,0.47);
  backdrop-filter: blur(2px);
  z-index: 1500;
}
.cookie-modal-backdrop.open {
  display: flex;
  justify-content: center;
  align-items: center;
}
.cookie-modal {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 12px 40px 0 rgba(24,24,26,0.18);
  max-width: 99vw;
  width: 390px;
  padding: 34px 28px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: relative;
  opacity: 1;
  transform: translateY(0px) scale(1);
  transition: opacity .29s, transform .33s cubic-bezier(.4,.4,.3,1);
}
.cookie-modal.hide {
  opacity: 0;
  transform: translateY(38px) scale(.98);
}
.cookie-modal h3 {
  color: var(--vp-primary);
  font-size: 1.15rem;
  font-weight: 600;
}
.cookie-modal .cookie-categories {
  display: flex;
  flex-direction: column;
  gap: 13px;
}
.cookie-modal .cookie-category {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.01rem;
}
.cookie-modal .category-toggle {
  display: inline-flex;
  align-items: center;
  padding: 0 0 0 15px;
}
.cookie-modal .toggle-switch {
  appearance: none;
  border: none;
  width: 38px;
  height: 20px;
  background: #ececf2;
  border-radius: 10px;
  position: relative;
  outline: none;
  cursor: pointer;
  margin-right: 8px;
  transition: background 0.18s;
}
.cookie-modal .toggle-switch:checked {
  background: var(--vp-brand-primary);
}
.cookie-modal .toggle-switch:before {
  content: '';
  position: absolute;
  top: 2px; left: 3px;
  width: 16px; height: 16px;
  background: #fff;
  border-radius: 100px;
  transition: left 0.17s;
  box-shadow: 0 1px 5px rgba(24,24,32,0.07);
}
.cookie-modal .toggle-switch:checked:before {
  left: 19px;
}
.cookie-modal .cat-essential {
  color: var(--vp-primary);
}
.cookie-modal .cat-essential .toggle-switch {
  pointer-events: none;
  opacity: 0.49;
}
.cookie-modal .cookie-modal-actions {
  display: flex;
  gap: 13px;
  margin-top: 14px;
  justify-content: flex-end;
}
.cookie-modal button {
  background: var(--vp-brand-primary);
  color: #fff;
  border: none;
  border-radius: 80px;
  padding: 8px 20px;
  font-size: 1rem;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-weight: 600;
  cursor: pointer;
  transition: background .16s;
}
.cookie-modal button:hover,
.cookie-modal button:focus {
  background: var(--vp-brand-secondary);
}
.cookie-modal .close-modal {
  position: absolute;
  top: 9px;
  right: 12px;
  background: none;
  border: none;
  color: var(--vp-primary);
  font-size: 1.75rem;
  cursor: pointer;
  opacity: 0.65;
  z-index: 300;
  transition: color 0.14s;
}
.cookie-modal .close-modal:focus, .cookie-modal .close-modal:hover {
  color: var(--vp-brand-primary);
  opacity: 1;
}
@media (max-width: 512px) {
  .cookie-modal {
    width: 98vw;
    padding: 18px 6px 12px 6px;
    font-size: 0.98em;
  }
}

/* === FORM STYLES (for contact/inputs if used) === */
input, textarea, select {
  font-size: 1rem;
  font-family: 'Open Sans', Arial, Helvetica, sans-serif;
  background: #fff;
  color: var(--vp-primary);
  border-radius: 9px;
  border: 1.3px solid var(--vp-muted);
  padding: 10px 13px;
  margin-bottom: 12px;
  box-shadow: 0 1px 3px rgba(20,30,36,0.03);
  transition: border-color 0.13s, box-shadow 0.18s;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--vp-brand-primary);
  box-shadow: 0 1px 9px 0 rgba(20,30,46,0.07);
}
label {
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  color: var(--vp-primary);
  font-size: 1.02em;
  font-weight: 600;
}

/* ==== UTILITIES ==== */
.mt-20 { margin-top: 20px !important; }
.mb-16 { margin-bottom: 16px !important; }
.mb-24 { margin-bottom: 24px !important; }
.mt-32 { margin-top: 32px !important; }
.text-center { text-align: center !important; }

/* ==== RESPONSIVE FINE-TUNING ==== */
@media (max-width: 600px) {
  .testimonial-card, .card {
    padding: 16px 9px;
    border-radius: 12px;
    font-size: 0.97em;
  }
  table, th, td {
    font-size: 0.89em;
    padding-left: 4px;
    padding-right: 4px;
  }
  .footer-logo {
    height: 36px;
  }
  .hero {
    min-height: 180px;
  }
}

/* ==== VISUAL OVERRIDES FOR MONOCHROME ==== */
::-webkit-scrollbar {
  width: 9px;
  background: #ececf2;
}
::-webkit-scrollbar-thumb {
  background: #dedee8;
  border-radius: 12px;
}

/* ======= ACCESSIBILITY ======= */
:focus-visible {
  outline: 2.2px solid var(--vp-brand-primary);
  outline-offset: 2px;
}

/* ==== END OF FILE ==== */