/* KatakombenWien – Professional Corporate Flexbox CSS
   Author: Senior CSS Developer & UI Designer
   Design Aesthetic: professional_corporate, blue/gray palette, business fonts, structured spacing
   Restrictions: Only flexbox for layout, NO CSS grid/columns ever!
   =====================================================================*/

/* 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, menu, 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, 
main, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
  background: transparent;
}
article, aside, details, figcaption, figure,
footer, header, hgroup, main, nav, section {
  display: block;
}
html {
  box-sizing: border-box;
  height: 100%;
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}
body {
  min-height: 100vh;
  line-height: 1.6;
  font-family: 'Roboto', Arial, Helvetica, sans-serif;
  background: #f6f8fa;
  color: #222e36;
  font-size: 16px;
  letter-spacing: 0.03em;
}
img {
  max-width: 100%;
  height: auto;
  display: inline-block;
}
ul, ol {
  margin: 0 0 20px 24px;
}
a {
  color: #34527b;
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover, a:focus {
  color: #18233a;
  text-decoration: underline;
}
strong, b {
  font-weight: 700;
}
h1, h2, h3, h4 {
  font-family: 'Oswald', Arial, Helvetica, sans-serif;
  color: #18233a;
  margin-bottom: 12px;
  font-weight: 600;
}
h1 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  letter-spacing: 0.01em;
}
h2 {
  font-size: 2rem;
  margin-bottom: 18px;
}
h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}
h4 {
  font-size: 1.1rem;
}
p, .subtitle {
  margin-bottom: 18px;
}
.subtitle {
  color: #46566b;
  font-size: 1.15rem;
  line-height: 1.8;
}

/* ===============
   BRAND COLORS
=================*/
:root {
  --color-primary: #353535;
  --color-secondary: #61718e;
  --color-accent: #FFD700;
  --color-bg: #f6f8fa;
  --color-muted: #c0d1df;
  --color-nav-bg: #fff;
  --color-card-bg: #fff;
  --color-hero-bg: #e7ecf1;
  --color-footer-bg: #232d39;
  --color-shadow: rgba(60,70,100,0.08);
  --color-border: #e2e5ea;
  --color-main-dark: #18233a;
}

/* =================
   LAYOUT CONTAINERS
====================*/
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  box-sizing: border-box;
}

.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
}
@media (min-width: 768px) {
  .content-wrapper {
    gap: 28px;
  }
}

/* Section Spacing */
section, .section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: transparent;
  border-radius: 10px;
}
@media (max-width: 768px) {
  section, .section {
    margin-bottom: 36px;
    padding: 24px 10px;
  }
}

/* HERO SECTION */
.hero-section {
  background: var(--color-hero-bg);
  border-radius: 0 0 30px 30px;
  box-shadow: 0 8px 32px var(--color-shadow);
  min-height: 340px;
  display: flex;
  align-items: center;
  margin-bottom: 50px;
  padding: 64px 0 56px 0;
}
.hero-section .content-wrapper {
  align-items: flex-start;
  max-width: 760px;
}
.hero-section h1 {
  color: var(--color-main-dark);
}
@media (max-width: 768px) {
  .hero-section {
    padding: 32px 0 24px 0;
    border-radius: 0 0 18px 18px;
    min-height: unset;
  }
  .hero-section .content-wrapper {
    align-items: flex-start;
  }
}

/* CARDS, CARDS-GRID, FLEX LAYOUTS */
.card-container, .feature-grid, .services-list, .comparisons-list, .events-list, .card-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card-container {
  justify-content: flex-start;
}
.card, .feature-item, .testimonial-card {
  background: var(--color-card-bg);
  border-radius: 12px;
  box-shadow: 0 2px 16px var(--color-shadow);
  margin-bottom: 20px;
  padding: 24px 22px;
}
.card {
  position: relative;
}
.feature-grid {
  gap: 24px 32px;
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  flex: 1 1 210px;
  min-width: 180px;
  max-width: 260px;
  background: var(--color-card-bg);
  box-shadow: 0 2px 12px var(--color-shadow);
  border: 1px solid var(--color-border);
  padding: 20px 15px 18px 15px;
  margin-bottom: 20px;
  transition: box-shadow 0.18s, transform 0.12s;
}
.feature-item img {
  width: 44px;
  height: 44px;
  margin-bottom: 5px;
}
.feature-item h3 {
  font-size: 1.18rem;
  color: var(--color-secondary);
  margin-bottom: 3px;
}
.feature-item p {
  font-size: 1rem;
}
.feature-item:hover, .feature-item:focus-within {
  box-shadow: 0 8px 32px var(--color-shadow);
  transform: translateY(-3px) scale(1.02);
  border-color: var(--color-secondary);
}
@media (max-width: 1024px) {
  .feature-grid {
    gap: 18px;
  }
  .feature-item {
    min-width: 140px;
    max-width: 48%;
  }
}
@media (max-width: 768px) {
  .feature-grid, .card-container {
    flex-direction: column;
    gap: 20px;
  }
  .feature-item {
    max-width: unset;
    width: 100%;
  }
}

/* TESTIMONIALS */
.testimonials-section .content-wrapper, .features-section .content-wrapper, .about-section .content-wrapper {
  gap: 24px;
}
.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 24px;
  background: #fff;
  border-left: 5px solid var(--color-secondary);
  box-shadow: 0 2px 16px var(--color-shadow);
  border-radius: 10px;
  margin-bottom: 20px;
  transition: transform 0.14s, box-shadow 0.18s;
}
.testimonial-card p {
  color: #212d3b;
  font-size: 1rem;
}
.testimonial-card span {
  font-size: 0.98rem;
  color: #46566b;
  font-style: italic;
  margin-left: auto;
  min-width: 95px;
  text-align: right;
}
.testimonial-card:hover, .testimonial-card:focus-within {
  transform: translateY(-2px) scale(1.015);
  box-shadow: 0 4px 20px var(--color-shadow);
}
@media (max-width: 700px) {
  .testimonial-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 16px;
  }
  .testimonial-card span {
    margin-left: 0;
    text-align: left;
  }
}

/* BUTTONS & CTAs */
.cta-primary, .cta-secondary, .cookie-consent-banner button, .cookie-modal button {
  display: inline-block;
  font-family: 'Oswald', Arial, Helvetica, sans-serif;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: none;
  border-radius: 6px;
  padding: 13px 32px;
  font-size: 1.07rem;
  color: #fff;
  background: var(--color-secondary);
  box-shadow: 0 2px 8px var(--color-shadow);
  margin-top: 8px;
  margin-bottom: 8px;
  transition: background 0.13s, transform 0.13s, box-shadow 0.18s;
  cursor: pointer;
}
.cta-primary {
  background: var(--color-main-dark);
  color: #fff;
}
.cta-primary:hover, .cta-primary:focus {
  background: var(--color-secondary);
  color: #fff;
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 6px 28px var(--color-shadow);
}
.cta-secondary {
  background: transparent;
  color: var(--color-main-dark);
  border: 2px solid var(--color-main-dark);
  padding: 11px 28px;
}
.cta-secondary:hover, .cta-secondary:focus {
  background: var(--color-secondary);
  color: #fff;
}

/* ========== NAVIGATION ========== */
header {
  background: var(--color-nav-bg);
  box-shadow: 0 4px 24px var(--color-shadow);
  padding: 0;
  position: relative;
  z-index: 90;
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 24px;
}
header a img {
  height: 46px;
  width: auto;
}

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: 22px;
}
nav.main-nav a {
  font-family: 'Oswald', Arial, Helvetica, sans-serif;
  color: var(--color-main-dark);
  font-size: 1.08rem;
  opacity: 0.92;
  padding: 6px 6px;
  transition: color 0.15s, opacity 0.14s;
  border-bottom: 2px solid transparent;
  font-weight: 400;
}
nav.main-nav a.cta-primary {
  margin-left: 24px;
  font-weight: 700;
  padding: 8px 20px;
  background: var(--color-secondary);
  color: #fff;
  border-radius: 5px;
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: background 0.14s, box-shadow 0.16s;
  border-bottom: 0;
}
nav.main-nav a.cta-primary:hover, nav.main-nav a.cta-primary:focus {
  background: var(--color-main-dark);
  color: #fff;
  box-shadow: 0 6px 24px var(--color-shadow);
}
nav.main-nav a:hover, nav.main-nav a:focus {
  color: var(--color-secondary);
  opacity: 1;
  border-bottom: 2.5px solid var(--color-secondary);
}

.mobile-menu-toggle {
  background: none;
  border: none;
  font-size: 2.1rem;
  color: var(--color-main-dark);
  margin-left: 22px;
  display: none;
  cursor: pointer;
  padding: 4px 8px;
  transition: background 0.12s;
  border-radius: 5px;
}
.mobile-menu-toggle:focus,
.mobile-menu-toggle:hover {
  background: var(--color-hero-bg);
}
@media (max-width: 950px) {
  nav.main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
}

/* ==== MOBILE MENU ==== */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(30,35,50, 0.98);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 0.32s cubic-bezier(.77,0,.18,1);
  box-shadow: 2px 0 20px rgba(40,45,60,0.08);
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu-close {
  border: none;
  background: none;
  color: #fff;
  font-size: 2.2rem;
  margin: 18px 0 18px 20px;
  align-self: flex-end;
  cursor: pointer;
  padding: 2px 16px 2px 2px;
  border-radius: 5px;
  transition: background 0.1s;
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  background: var(--color-hero-bg);
  color: var(--color-secondary);
}
.mobile-nav {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}
.mobile-nav a {
  width: 100%;
  color: #fff;
  font-size: 1.19rem;
  font-family: 'Oswald', Arial, sans-serif;
  padding: 18px 30px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  background: none;
  transition: background 0.12s, color 0.14s;
}
.mobile-nav a:hover, .mobile-nav a:focus {
  background: var(--color-secondary);
  color: #fff;
}
.mobile-nav a.cta-primary {
  background: var(--color-accent);
  color: var(--color-main-dark);
  font-weight: 700;
  margin-top: 20px;
  border-radius: 4px;
  border-bottom: none;
  text-align: center;
}

@media (min-width: 951px) {
  .mobile-menu {
    display: none !important;
  }
}

/* ========== FOOTER ========== */
footer {
  background: var(--color-footer-bg);
  color: #dde4eb;
  padding: 36px 0 24px;
  margin-top: 70px;
}
footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
nav.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  margin-bottom: 14px;
  justify-content: center;
}
nav.footer-nav a {
  font-family: 'Oswald', Arial, sans-serif;
  color: #f6f8fa;
  font-size: 1.09rem;
  opacity: 0.88;
  text-shadow: 0 2px 8px rgba(0,0,0,0.08);
  border-bottom: 1.5px solid transparent;
  transition: color 0.1s, border-bottom 0.18s;
}
nav.footer-nav a:hover, nav.footer-nav a:focus {
  color: var(--color-accent);
  opacity: 1;
  border-bottom: 1.5px solid var(--color-accent);
}
footer p {
  font-size: 1rem;
  color: #bcc3cc;
}

/* ========== FORMS/INFO BLOCKS ======= */
.address-info, .email-info, .opening-hours {
  font-size: 1.04rem;
  line-height: 1.7;
  margin-bottom: 8px;
  color: #222e36;
}
.arrival-description, .accessibility-info {
  margin-bottom: 18px;
  background: #edf2f5;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(90, 98, 125, 0.06);
  padding: 18px 15px 14px 15px;
}

/* ========== TABLES ========== */
.pricing-table table {
  border-collapse: collapse;
  width: 100%;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 12px var(--color-shadow);
  margin-bottom: 18px;
  overflow: hidden;
}
.pricing-table th, .pricing-table td {
  border: 1px solid #e2e5ea;
  text-align: left;
  padding: 13px 16px;
  font-size: 1rem;
}
.pricing-table th {
  background: var(--color-hero-bg);
  color: var(--color-main-dark);
  font-weight: 600;
}
.pricing-table tr:nth-child(even) td {
  background: #f6f8fa;
}

/* ========== FAQS, SPOTLIGHT, TIMELINE ========== */
.faq-section {
  background: #f2f6fc;
  border-left: 3px solid var(--color-secondary);
  border-radius: 7px;
  padding: 20px 18px;
  margin-bottom: 14px;
  margin-top: 6px;
}
.story-spotlight {
  background: #fff9e5;
  border-left: 3px solid var(--color-accent);
  border-radius: 7px;
  padding: 20px 18px;
  color: #222e36;
  margin-bottom: 18px;
}
.history-timeline {
  list-style-type: disc;
  margin-bottom: 16px;
}

/* ========== TEXT-IMAGE SECTION ========== */
.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
@media (max-width: 768px) {
  .text-image-section {
    flex-direction: column;
    gap: 18px;
  }
}

/* ========== COOKIE CONSENT BANNER ========== */
.cookie-consent-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  width: 100vw;
  z-index: 99999;
  background: #fff;
  color: #1a2331;
  box-shadow: 0 -4px 24px var(--color-shadow);
  border-top: 2px solid var(--color-main-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 18px 12px 22px 12px;
  gap: 10px;
  animation: slideInBanner 0.35s cubic-bezier(.63,.02,.35,1.38);
}
@keyframes slideInBanner {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.cookie-consent-banner p {
  font-size: 1rem;
  color: #27344b;
  margin-bottom: 6px;
}
.cookie-consent-banner .cookie-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 7px;
}
.cookie-consent-banner button {
  background: var(--color-main-dark);
  color: #fff;
  border: none;
  border-radius: 5px;
  font-family: 'Oswald', Arial, sans-serif;
  font-size: 1.02rem;
  padding: 10px 24px;
  margin: 0;
  box-shadow: 0 2px 8px var(--color-shadow);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.cookie-consent-banner button.accept {
  background: var(--color-secondary);
  color: #fff;
}
.cookie-consent-banner button.reject {
  background: #efefef;
  color: #222e36;
}
.cookie-consent-banner button.settings {
  background: transparent;
  color: var(--color-secondary);
  border: 2px solid var(--color-secondary);
}
.cookie-consent-banner button:hover, .cookie-consent-banner button:focus {
  background: var(--color-accent);
  color: #212d3b;
}

/* ========== COOKIE MODAL ========== */
.cookie-modal-overlay {
  position: fixed;
  left: 0; top: 0; right: 0; bottom: 0;
  background: rgba(30, 35, 50, 0.84);
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeInModal 0.22s;
}
@keyframes fadeInModal {
  from { opacity: 0; }
  to { opacity: 1; }
}
.cookie-modal {
  background: #fff;
  max-width: 410px;
  width: 94vw;
  padding: 32px 25px 26px 25px;
  border-radius: 11px;
  box-shadow: 0 6px 32px var(--color-shadow);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 17px;
  font-size: 1rem;
  color: #222e36;
}
.cookie-modal h2 {
  font-size: 1.13rem;
  margin-bottom: 10px;
}
.cookie-categories {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 16px;
}
.cookie-category {
  display: flex;
  align-items: center;
  gap: 12px;
}
.cookie-category input[type="checkbox"], .cookie-category input[type="radio"] {
  accent-color: var(--color-secondary);
  width: 20px; height: 20px;
}
.cookie-modal .close-modal {
  position: absolute;
  right: 22px;
  top: 22px;
  background: none;
  border: none;
  font-size: 1.7rem;
  color: var(--color-main-dark);
  cursor: pointer;
  padding: 0;
}
.cookie-modal .close-modal:hover, .cookie-modal .close-modal:focus {
  color: var(--color-secondary);
}
.cookie-modal button {
  margin-top: 8px;
  padding: 10px 22px;
  background: var(--color-main-dark);
  color: #fff;
  border-radius: 5px;
  border: none;
  transition: background 0.14s;
}
.cookie-modal button:hover, .cookie-modal button:focus {
  background: var(--color-secondary);
}

/* ========== TABLE / LIST CLEANUP ========== */
ul, ol {
  margin-bottom: 18px;
  padding-left: 22px;
}
ul li, ol li {
  margin-bottom: 8px;
}
ul.events-list, ul.services-list, ul.comparisons-list {
  list-style-type: disc;
  padding-left: 22px;
  font-size: 1.08rem;
}
ul.events-list li, ul.services-list li, ul.comparisons-list li {
  margin-bottom: 10px;
}

/* ========== RESPONSIVENESS ========== */
@media (max-width: 700px) {
  .container {
    max-width: 100%;
    padding: 0 8px;
  }
  section, .section {
    padding: 16px 4px 18px 4px;
    margin-bottom: 27px;
    border-radius: 10px;
  }
  .feature-item {
    padding: 16px 9px;
  }
  h1 {
    font-size: 2rem;
  }
  h2 {
    font-size: 1.33rem;
  }
  h3 {
    font-size: 1.05rem;
  }
  .cta-primary, .cta-secondary {
    padding: 10px 15px;
    font-size: 0.98rem;
  }
  nav.footer-nav {
    gap: 12px;
    margin-bottom: 9px;
  }
}

/* Ensure minimum between cards/sections */
section:not(:last-child), .section:not(:last-child) {
  margin-bottom: 60px;
}

/* Hide desktop nav, show burger on mobile */
@media (max-width:950px) {
  nav.main-nav { display: none; }
  .mobile-menu-toggle { display: block; }
}
@media (min-width:951px) {
  .mobile-menu { display: none !important; }
  nav.main-nav { display: flex; }
  .mobile-menu-toggle { display: none; }
}

/* Adjust testimonial readability ALWAYS dark on light */
.testimonial-card, .testimonial-card p, .testimonial-card span {
  background: #fff !important;
  color: #192f4a !important;
}

/* Misc. Utility */
::-webkit-input-placeholder { color: #adb8c9; opacity: 1; }
::-moz-placeholder { color: #adb8c9; opacity:1; }
:-ms-input-placeholder { color: #adb8c9; opacity:1; }
::placeholder { color: #adb8c9; opacity:1; }

::-webkit-scrollbar {
  width: 12px;
  background: #edf2f7;
}
::-webkit-scrollbar-thumb {
  background: #d5dae6;
  border-radius: 8px;
}

/* Subtle section shadow and rounding for modern look */
section, .section {
  box-shadow: 0 4px 24px var(--color-shadow);
  border-radius: 14px;
}

/**** END OF CSS ****/