/* Kleurenpalet */
:root {
  --navy: #183153;
  --navy-dark: #112040;
  --accent: #3be9de;
  --white: #fff;
  --gray: #eef2fa;
  --shadow: 0 4px 16px rgba(24, 49, 83, 0.07);
  --radius: 12px;
}
/* Gradient knop */
button,
.btn,
.cookie-btns button {
  background: linear-gradient(90deg, var(--navy), var(--accent) 85%);
  color: var(--white);
  box-shadow: 0 2px 8px #1831532a;
  position: relative;
  overflow: hidden;
}

button::after,
.btn::after,
.cookie-btns button::after {
  content: '';
  display: block;
  position: absolute;
  left: 0; top: 0; right: 0; bottom: 0;
  background: radial-gradient(circle, rgba(59,233,222,0.25) 10%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}

button:hover::after,
.btn:hover::after,
.cookie-btns button:hover::after {
  opacity: 1;
}
button i,
.btn i {
  margin-right: 8px;
  font-size: 1.1em;
  vertical-align: middle;
  color: var(--accent);
}

/* Terug naar boven knop: animated arrow */
#backToTop {
  font-size: 1.15rem;
  padding-left: 1.5em;
  position: fixed;
}

#backToTop::before {
  content: "↑";
  font-weight: bold;
  font-size: 1.25em;
  margin-right: 0.5em;
  animation: arrowUp 1.2s infinite;
  display: inline-block;
  color: var(--accent);
}

@keyframes arrowUp {
  0%   { transform: translateY(0);}
  50%  { transform: translateY(-7px);}
  100% { transform: translateY(0);}
}
.sidebar ul li a:hover,
.footer-links a:hover {
  box-shadow: 0 0 8px 1px var(--accent);
  border-radius: 5px;
  color: var(--navy);
  background: rgba(59,233,222,0.19);
}

/* Animatie voor section cards bij hover */
article.show {
  transition: transform 0.3s cubic-bezier(.24,1.43,.52,1.07), box-shadow 0.25s;
}
article.show:hover {
  transform: translateY(-8px) scale(1.05) rotate(-0.5deg);
  box-shadow: 0 14px 40px #18315344;
  border-color: var(--accent);
}

/* Accentlijnen boven titels */
h1, h2, h3 {
  position: relative;
  z-index: 1;
}

h2::before,
h3::before {
  content: '';
  display: block;
  width: 32px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--navy));
  margin-bottom: 8px;
  border-radius: 2px;
}

/* Glans over menu, lichte blur bij hover */
.topnav {
  box-shadow: 0 6px 24px rgba(24,49,83,0.10);
  background: linear-gradient(90deg, var(--navy-dark) 70%, var(--accent) 100%);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}
.topnav a:hover, .topnav a.active {
  background: rgba(59, 233, 222, 0.18);
  color: var(--navy);
  box-shadow: 0 1px 5px #3be9de1c;
}

/* Glazen footer-accent */
footer {
  background: linear-gradient(90deg, rgba(24,49,83,0.92), rgba(24,49,83,0.98) 65%, rgba(59,233,222, 0.11) 100%);
  box-shadow: 0 -2px 12px #18315322;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
}

/* Basis reset en fonts */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Roboto', Arial, sans-serif;
  margin: 0;
  background: var(--gray);
  color: var(--navy-dark);
  min-height: 100vh;
}

/* Header */
.header {
  background: linear-gradient(90deg, var(--navy), var(--navy-dark));
  color: var(--white);
  padding: 2rem 0 1.2rem 0;
  box-shadow: var(--shadow);
  text-align: center;
}

.header h1 {
  margin: 0;
  font-size: 2.4rem;
  letter-spacing: 2px;
  text-shadow: 0 2px 8px #18315360;
}

.header-brand p {
  color: var(--accent);
  font-size: 1.1rem;
  margin-top: 8px;
}

/* Navbar */
.topnav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  background: var(--navy-dark);
  padding: 0.5rem 1rem;
  box-shadow: var(--shadow);
}

.topnav a {
  color: var(--white);
  font-weight: 600;
  text-decoration: none;
  padding: 0.7rem 1.1rem;
  margin: 0 0.2rem;
  border-radius: var(--radius);
  transition: background-color 0.2s, color 0.2s;
}

.topnav a:hover,
.topnav a.active {
  background: var(--accent);
  color: var(--navy);
}

.topnav .icon {
  display: none;
  font-size: 24px;
  cursor: pointer;
}

@media (max-width: 768px) {
  .topnav a:not(:first-child) {
    display: none;
  }
  .topnav a.icon {
    display: block;
  }
  .topnav.responsive a {
    display: block;
    width: 100%;
    padding: 12px 16px;
    text-align: left;
    border-top: 1px solid #1a2b46;
  }
  .topnav.responsive a.icon {
    position: absolute;
    right: 0;
    top: 0;
    border: none;
    padding: 12px 16px;
  }
  .topnav.responsive {
    position: relative;
    flex-direction: column;
    align-items: stretch;
  }
}

/* Cards en content */
.main-content,
.intro,
.showslisting,
.sidebar {
  max-width: 1040px;
  margin: 2rem auto;
  padding: 2rem;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* Card-componenten */
article.show {
  background: var(--gray);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
  padding: 1.2rem;
  transition: box-shadow 0.25s, background 0.25s;
}

article.show:hover {
  background: var(--accent);
  box-shadow: 0 8px 24px rgba(24, 49, 83, 0.13);
}

article.show h3 a {
  color: var(--navy);
  font-size: 1.5rem;
}

/* Buttons */
button,
.btn,
.cookie-btns button {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  border: none;
  padding: 0.7em 1.6em;
  font-size: 1rem;
  font-weight: 600;
  margin: 0.5em 0.2em;
  cursor: pointer;
  transition: background 0.25s;
  box-shadow: var(--shadow);
}

button:hover,
.btn:hover,
.cookie-btns button:hover {
  background: var(--accent);
  color: var(--navy);
}

/* Terug-naar-boven knop */
#backToTop {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--navy);
  color: var(--white);
  padding: 10px 18px;
  border-radius: 35px;
  cursor: pointer;
  font-weight: bold;
  display: none;
  z-index: 1000;
  box-shadow: var(--shadow);
  font-size: 1.1rem;
  opacity: 0.85;
  transition: background 0.3s, color 0.2s;
  text-decoration: none;
}

#backToTop:hover {
  background: var(--accent);
  color: var(--navy);
  opacity: 1;
}

/* Afbeeldingen */
.logo, .thumbnail {
  border-radius: var(--radius);
  box-shadow: 0 2px 8px #18315322;
  max-width: 100%;
  height: auto;
}

/* Footer */
footer {
  background: var(--navy-dark);
  color: var(--gray);
  text-align: center;
  padding: 1.3rem 0 1.1rem 0;
  margin-top: 2rem;
}

footer .footer-links a {
  color: var(--accent);
  margin: 0 0.5rem;
  text-decoration: none;
  font-weight: 500;
}

footer .footer-links a:hover {
  text-decoration: underline;
  color: var(--white);
}

footer a.fa {
  padding: 0 0.5rem;
  font-size: 18px;
  color: var(--white);
}

/* Cookie banner voorbeeld */
#fajaedeCookieNotice {
  background: #fff;
  color: var(--navy-dark);
  box-shadow: 0 4px 16px rgba(24,49,83,0.06);
  border-radius: var(--radius);
  padding: 1.5em;
  max-width: 420px;
  position: fixed;
  bottom: 0;
  right: 0;
  margin: 1em;
  z-index: 2000;
  display: none;
}

#fajaedeCookieNotice h3 {
  margin-top: 0;
  color: var(--navy);
}

.cookie-btns {
  margin-top: 1em;
}

.cookie-btns button,
.cookie-privacy-link {
  margin-right: 0.7em;
}

/* Extra: mooie boxen en animatie bij hover */
article.show {
  transition: transform 0.2s;
}
article.show:hover {
  transform: translateY(-2px) scale(1.03);
}

@media (max-width: 600px) {
  .main-content,
  .intro,
  .showslisting,
  .sidebar {
    padding: 1rem;
  }
  #backToTop {
    bottom: 15px;
    right: 15px;
    padding: 8px 12px;
    font-size: 1.1rem;
  }
}