/* 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: inherit;
  vertical-align: baseline;
  box-sizing: border-box;
}
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
  display: block;
}
body {
  line-height: 1.5;
  background: #161925;
  color: #eaf2fa;
}
ol, ul {
  list-style: none;
}
a {
  background-color: transparent;
  text-decoration: none;
  color: inherit;
}
img {
  border: 0;
  display: block;
  max-width: 100%;
  height: auto;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
  background: none;
}
button {
  cursor: pointer;
}

/* FONTS (needs to be loaded in HTML or via Google Fonts) */
body, .body-copy {
  font-family: 'Open Sans', Arial, Helvetica, sans-serif;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.02em;
}
h1, h2, h3, h4 {
  font-family: 'Merriweather', 'Open Sans', Arial, Helvetica, serif;
  color: #E8E6DF;
  margin-bottom: 20px;
}
h1 {
  font-size: 2.5rem;
  letter-spacing: 0.025em;
  font-weight: 700;
}
h2 {
  font-size: 2rem;
  font-weight: 700;
}
h3 {
  font-size: 1.25rem;
  font-weight: 700;
}
@media (min-width: 700px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2.25rem; }
  h3 { font-size: 1.5rem; }
}
.subheadline {
  color: #A9D1E1;
  font-size: 1.15rem;
  margin-bottom: 24px;
  margin-top: -8px;
}

/* GENERAL SPACING */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}
.content-wrapper {
  width: 100%;
  margin: 0 auto;
}
section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: transparent;
  position: relative;
}
@media (max-width: 700px) {
  section {
    padding: 24px 8px;
    margin-bottom: 36px;
  }
}

/* FLEX LAYOUTS - MANDATORY */
.features-grid, .reviews-list, .events-list, .club-benefits .features-grid, .values-section .features-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 28px;
  margin-bottom: 32px;
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  padding: 24px 20px;
  background: #21253a;
  border-radius: 18px;
  border: 2px solid #234569;
  box-shadow: 0 2px 18px 0 rgba(33,54,90,.12);
  transition: border-color 0.2s, box-shadow 0.2s;
  min-width: 245px;
  flex: 1 1 250px;
  margin-bottom: 20px;
  position: relative;
}
.feature-item:hover, .feature-item:focus-within {
  border-color: #36e7ff;
  box-shadow: 0 6px 28px 0 rgba(54,231,255,0.12), 0 0 0 2px #36e7ff;
  z-index: 1;
}
.events-list {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  position: relative;
}
.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;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: #eaf2fa;
  color: #182745;
  border-radius: 16px;
  border: 1.5px solid #A9D1E1;
  box-shadow: 0 3px 24px 0 rgba(33,54,90,0.07);
  margin-bottom: 20px;
  margin-top: 20px;
  position: relative;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.testimonial-card:hover, .testimonial-card:focus-within {
  border-color: #36e7ff;
  box-shadow: 0 6px 32px 0 rgba(54,231,255,.14) !important;
}
.testimonial-meta {
  font-size: 1rem;
  font-weight: 500;
  font-style: italic;
  color: #234569;
  margin-left: 12px;
}

.about-values {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 20px 0 32px 0;
}
.about-values li {
  background: #294875;
  color: #A9D1E1;
  padding: 7px 18px;
  border-radius: 16px;
  font-weight: 500;
  letter-spacing: 0.03em;
  font-size: 1rem;
}

.contact-info-block {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 30px;
}
.contact-info ul {
  display: flex;
  flex-direction: column;
  gap: 15px;
}
.contact-message {
  margin-top: 30px;
}

.step-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 24px;
  margin-bottom: 20px;
}
.step-list li {
  background: #21253a;
  color: #A9D1E1;
  border-radius: 14px;
  padding: 12px 18px;
  font-size: 1.08rem;
}
/* Responsive FLEX changes */
@media (max-width: 900px){
  .features-grid, .events-list, .reviews-list, .about-values {
    gap: 18px;
  }
}
@media (max-width: 768px){
  .features-grid, .reviews-list, .card-container, .content-grid, .about-values, .events-list {
    flex-direction: column;
    gap: 16px;
  }
  .feature-item { min-width: 0; }
  .text-image-section { flex-direction: column; align-items: flex-start; gap: 22px; }
}

/***** HEADER & NAVIGATION *****/
header {
  background: #172136;
  box-shadow: 0 1px 12px 0 rgba(33,54,90,0.12);
  position: relative;
  z-index: 30;
}
.nav-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 32px;
  min-height: 72px;
  padding: 12px 0;
}
.nav-bar > a img {
  height: 44px;
  width: auto;
}
.main-nav {
  display: flex;
  gap: 24px;
  flex: 1 1 auto;
  align-items: center;
}
.main-nav a {
  color: #A9D1E1;
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.01em;
  padding: 6px 10px;
  border-radius: 8px;
  transition: color 0.15s, background 0.15s;
  position: relative;
}
.main-nav a.active, .main-nav a:focus, .main-nav a:hover {
  color: #36e7ff;
  background: rgba(54,231,255,0.10);
}
.cta-btn {
  background: linear-gradient(90deg, #36e7ff 0%, #1ee4ba 100%);
  color: #172136;
  font-family: 'Merriweather', serif;
  font-weight: 700;
  font-size: 1.08rem;
  border: 0;
  border-radius: 21px;
  padding: 11px 32px;
  box-shadow: 0 2px 16px 0 rgba(54,231,255,0.10);
  margin-left: 8px;
  letter-spacing: 0.02em;
  transition: box-shadow 0.16s, filter 0.16s, background 0.18s;
  filter: drop-shadow(0 0 6px #1ee4ba44);
}
.cta-btn:focus, .cta-btn:hover {
  background: linear-gradient(90deg, #36e7ff 20%, #845ef2 95%);
  color: #fff;
  box-shadow: 0 0 12px 4px #36e7ff33, 0 3px 22px 0 #845ef232;
  outline: 0;
}

@media (max-width: 1024px) {
  .nav-bar {
    gap: 16px;
  }
  .main-nav {
    gap: 14px;
  }
}
@media (max-width: 700px) {
  .nav-bar {
    flex-direction: row;
    gap: 12px;
  }
  .main-nav {
    display: none !important;
  }
  .cta-btn {
    padding: 10px 18px;
    font-size: 1rem;
  }
}

/***** MOBILE MENU *****/
.mobile-menu-toggle {
  display: none;
  background: none;
  color: #36e7ff;
  font-size: 2.1rem;
  border: none;
  border-radius: 8px;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  position: absolute;
  right: 18px;
  top: 17px;
  z-index: 90;
  transition: background 0.15s;
}
.mobile-menu-toggle:focus, .mobile-menu-toggle:hover {
  background: rgba(54,231,255,0.1);
}
.mobile-menu {
  display: none;
  position: fixed;
  left: 0; top: 0; right: 0; bottom: 0;
  width: 100vw;
  height: 100vh;
  background: #172136dd;
  z-index: 1000;
  flex-direction: column;
  transition: transform 0.38s cubic-bezier(.59,.01,.37,.98);
  transform: translateX(100%);
}
.mobile-menu.open {
  display: flex;
  transform: translateX(0);
}
.mobile-menu-close {
  align-self: flex-end;
  background: none;
  color: #36e7ff;
  font-size: 2rem;
  margin: 18px 24px 8px 0;
  border-radius: 8px;
  width: 46px;
  height: 46px;
  transition: background 0.15s;
  border: none;
}
.mobile-menu-close:focus, .mobile-menu-close:hover {
  background: rgba(54,231,255,.13);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 48px auto 0 auto;
  width: 90vw;
  max-width: 320px;
}
.mobile-nav a {
  color: #A9D1E1;
  font-size: 1.18rem;
  font-weight: 600;
  padding: 14px 0 12px 8px;
  border-radius: 10px;
  transition: background 0.19s, color 0.19s;
  background: none;
  text-decoration: none;
}
.mobile-nav a:focus, .mobile-nav a:hover {
  background: #36e7ff22;
  color: #36e7ff;
}
@media (max-width: 700px) {
  .mobile-menu-toggle {
    display: flex;
  }
}

/***** HERO SECTION *****/
.hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
  min-height: 240px;
  justify-content: center;
  margin-top: 14px;
}
.hero-section h1 {
  color: #36e7ff;
  text-shadow: 0 2px 16px #36e7ff26;
  margin-bottom: 6px;
}

/***** BUTTONS & QUICK ACTIONS *****/
button,
input[type="button"],
input[type="submit"],
.cta-btn {
  transition: filter 0.14s, background 0.15s, box-shadow 0.19s;
}
button:active, .cta-btn:active {
  filter: brightness(0.92);
}
.recommendation-quick-buttons {
  display: flex;
  gap: 20px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.review-filter {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 22px;
}
.review-filter button {
  background: #234569;
  color: #A9D1E1;
  border-radius: 8px;
  padding: 7px 18px;
  font-size: 1rem;
  font-weight: 500;
  border: none;
  margin-right: 2px;
  margin-bottom: 4px;
  outline: none;
  transition: background 0.13s, color 0.13s;
}
.review-filter button:focus, .review-filter button:hover {
  background: #36e7ff;
  color: #182745;
}

/***** CARDS *****/
.card,
.event-item {
  background: #21253a;
  color: #A9D1E1;
  border-radius: 16px;
  box-shadow: 0 3px 16px 0 rgba(33,54,90,.08);
  padding: 26px 20px;
  margin-bottom: 20px;
}
.event-item h3 { color: #36e7ff; }
.event-info {
  font-size: 1rem;
  color: #845ef2;
  margin-top: 8px;
}
.event-info a { color: #36e7ff; font-weight: 500; }

/***** CLUB BLOCKS *****/
.membership-info-block {
  background: #36163a;
  color: #A9D1E1;
  border-radius: 14px;
  padding: 18px 25px;
  margin-bottom: 12px;
  margin-top: 12px;
  font-size: 1.08rem;
  box-shadow: 0 1px 9px 0 #845ef22a;
}

/***** FOOTER *****/
footer {
  background: #1b2539;
  min-height: 180px;
  color: #A9D1E1;
  box-shadow: 0 -1px 12px 0 rgba(33,54,90,.14);
  margin-top: 50px;
}
.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 32px 0 14px 0;
  gap: 30px;
}
.footer-top a img {
  height: 38px;
}
.footer-nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-nav a {
  color: #A9D1E1;
  font-size: 1rem;
  border-radius: 8px;
  padding: 7px 12px;
  transition: color 0.15s, background 0.15s;
}
.footer-nav a:focus, .footer-nav a:hover {
  background: #36e7ff22;
  color: #36e7ff;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding: 6px 0 12px 0;
  font-size: 0.99rem;
  align-items: flex-start;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 220px;
  color: #A9D1E1;
  font-size: 1rem;
}
.footer-contact img {
  height: 18px;
  width: 18px;
  margin-right: 5px;
  vertical-align: middle;
}
.footer-contact span {
  color: #A9D1E1;
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.98rem;
}
.footer-legal {
  border-top: 1px solid #294875;
  padding-top: 11px;
  font-size: 0.95rem;
  text-align: center;
  color: #495370;
  margin-top: 10px;
}
@media (max-width: 800px) {
  .footer-top, .footer-bottom {
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
  }
  .footer-contact {
    min-width: 0;
  }
}

/***** FORMATTING FOR LEGAL/INFORMATIVE PAGES *****/
.privacy-section ul, .terms-section ul, .cookie-policy-section ul, .dsgvo-section ul {
  margin: 24px 0 18px 0;
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.privacy-section ul li, .terms-section ul li, .cookie-policy-section ul li, .dsgvo-section ul li {
  color: #c0daf2;
  font-size: 1rem;
  list-style: disc inside;
  padding-left: 0px;
}
.privacy-section a, .terms-section a, .cookie-policy-section a, .dsgvo-section a {
  color: #36e7ff;
  text-decoration: underline;
}

/***** COOKIE CONSENT BANNER *****/
.cookie-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 1800;
  background: #eaf2fa;
  color: #172136;
  padding: 18px 32px;
  box-shadow: 0 -3px 24px 0 rgba(54,231,255,0.12);
  font-size: 1rem;
  transition: transform 0.3s cubic-bezier(.59,.01,.37,.98);
  transform: translateY(0);
}
.cookie-banner.hide {
  transform: translateY(120%);
  pointer-events: none;
}
.cookie-banner-message {
  flex: 2 1 auto;
  max-width: 64vw;
}
.cookie-banner-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.cookie-btn, .cookie-settings-btn {
  background: none;
  border: 1.5px solid #234569;
  color: #234569;
  font-weight: 600;
  border-radius: 9px;
  padding: 9px 23px;
  font-size: 1rem;
  transition: background 0.16s, border 0.16s, color 0.13s;
}
.cookie-btn.accept {
  background: linear-gradient(90deg, #36e7ff 0%, #1ee4ba 100%);
  color: #172136;
  border: 1.5px solid #36e7ff;
}
.cookie-btn.reject {
  background: #ede5e0;
  color: #845ef2;
  border: 1.5px solid #845ef2;
}
.cookie-btn:focus, .cookie-btn:hover, .cookie-settings-btn:focus, .cookie-settings-btn:hover {
  background: #A9D1E1;
  color: #172136;
  border-color: #36e7ff;
}
@media (max-width: 600px) {
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 12px 8px;
    font-size: 0.98rem;
  }
  .cookie-banner-message {
    max-width: 100%;
  }
  .cookie-banner-actions {
    gap: 9px;
  }
}

/***** COOKIE CONSENT MODAL *****/
.cookie-modal {
  position: fixed;
  left: 0; top: 0; right: 0; bottom: 0;
  background: #21253ad5;
  z-index: 2500;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.35s cubic-bezier(.59,.01,.37,.98);
  opacity: 1;
}
.cookie-modal.hide {
  opacity: 0;
  pointer-events: none;
}
.cookie-modal-content {
  background: #eaf2fa;
  color: #172136;
  border-radius: 20px;
  min-width: 280px;
  max-width: 95vw;
  box-shadow: 0 16px 54px 0 rgba(54,231,255, 0.23);
  padding: 40px 32px 30px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.cookie-modal-close {
  align-self: flex-end;
  background: none;
  color: #234569;
  font-size: 2.1rem;
  margin-top: -17px;
  margin-bottom: 12px;
  line-height: 1;
  transition: color 0.15s;
  border: none;
}
.cookie-modal-close:focus, .cookie-modal-close:hover {
  color: #36e7ff;
}
.cookie-categories {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 16px 0 10px 0;
}
.cookie-category {
  display: flex;
  align-items: center;
  gap: 18px;
}
.cookie-category-label {
  display: flex;
  flex-direction: column;
  font-size: 1.04rem;
  color: #234569;
}
.cookie-category-toggle {
  appearance: none;
  width: 36px;
  height: 20px;
  border-radius: 11px;
  border: 1.5px solid #234569;
  background: #A9D1E1;
  position: relative;
  outline: none;
  cursor: pointer;
  transition: background 0.24s, border 0.13s;
}
.cookie-category-toggle:checked {
  background: linear-gradient(90deg, #36e7ff 0%, #845ef2 100%);
  border: 1.5px solid #36e7ff;
}
.cookie-category-toggle:before {
  content: '';
  display: block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  position: absolute;
  top: 1px;
  left: 2px;
  transition: left 0.22s;
  box-shadow: 0 2px 6px 0 #36e7ff33;
}
.cookie-category-toggle:checked:before {
  left: 17px;
}

/***** VISUALS & DECORATIVE NEON LINES *****/
.feature-item, .cta-btn, .card, .event-item, .testimonial-card {
  box-shadow: 0 2px 24px 0 rgba(33,54,90,0.11);
}
.feature-item {
  border-left: 4px solid #845ef2;
  background: #21253a;
}
.feature-item:hover, .feature-item:focus-within {
  border-left: 4px solid #36e7ff;
}
/***** LINKS *****/
a {
  transition: color 0.18s;
}
a:focus, a:hover {
  color: #36e7ff;
  outline: none;
}

/***** SECTION UTILITY CLASSES (for big blocks) *****/
.about-section, .mission-section, .contact-details,
.contact-preview, .services-section, .club-benefits,
.events-list-section, .review-overview, .privacy-section,
.cookie-policy-section, .terms-section, .dsgvo-section {
  background: #1b2539;
  border-radius: 24px;
  box-shadow: 0 4px 42px 0 #36e7ff10;
  margin-bottom: 60px;
  padding: 40px 28px;
}
@media (max-width: 800px) {
  .about-section, .mission-section, .contact-details,
  .contact-preview, .services-section, .club-benefits,
  .events-list-section, .review-overview, .privacy-section,
  .cookie-policy-section, .terms-section, .dsgvo-section {
    padding: 22px 6px;
    border-radius: 18px;
    margin-bottom: 36px;
  }
}

/***** MISCELLANEOUS TYPOGRAPHY *****/
p, li, span, .footer-legal, .testimonial-meta {
  font-family: 'Open Sans', Arial, Helvetica, sans-serif;
}
p, ul, ol {
  font-size: 1.08rem;
  color: #A9D1E1;
  line-height: 1.75;
}
p strong, li strong, .feature-item strong {
  color: #36e7ff;
  font-weight: 600;
}

/***** INTERACTIONS & ANIMATIONS *****/
.cta-btn,
button,
.feature-item,
.testimonial-card,
.card,
.cookie-btn,
.cookie-category-toggle {
  transition: all 0.17s cubic-bezier(.59,.01,.37,.98);
}

a, .main-nav a, .footer-nav a, .mobile-nav a {
  transition: color 0.17s, background 0.17s;
}

/***** RESPONSIVE ADJUSTMENTS *****/
@media (max-width: 500px) {
  .container { padding: 0 3vw; }
  .about-section, .mission-section, .contact-details, .services-section {
    padding: 8vw 2vw;
    min-width: 0;
    border-radius: 12px;
  }
  .feature-item {
    padding: 12px 7px;
    border-radius: 11px;
  }
}

/***** UTILITIES *****/
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 32px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 32px; }
.pb-3 { padding-bottom: 32px; }

/***** ERROR & SUCCESS MESSAGES (OPTIONAL) *****/
.alert-success, .alert-error {
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: 10px;
  padding: 16px 19px;
  font-size: 1.09rem;
}
.alert-success { background: #c6fdd5; color: #234569; }
.alert-error { background: #fde2e4; color: #b90015; }

/***** COLORS (BRAND + TECH FUTURISTIC) *****/
:root {
  --primary: #234569;
  --secondary: #A9D1E1;
  --accent: #E8E6DF;
  --deep-bg: #161925;
  --futuristic-cyan: #36e7ff;
  --futuristic-violet: #845ef2;
  --futuristic-green: #1ee4ba;
}

/****** CUSTOM SCROLLBAR (OPTIONAL) *****/
::-webkit-scrollbar {
  width: 10px;
  background: #21253a;
  border-radius: 7px;
}
::-webkit-scrollbar-thumb {
  background: #36e7ff33;
  border-radius: 7px;
}

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