:root {
  --bg: #f2f4f8;
  --page-grad-start: #c0e7fd;
  --page-grad-end: #fdeed9;
  --bg-soft: #e5eaf3;
  --ink: #0d1f38;
  --ink-soft: #506282;
  --line: #d6dde8;
  --accent: #e8321f;
  --accent-soft: #ff6b3d;
  --card: #ffffff;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(10, 28, 60, 0.09);
  --shadow-hover: 0 8px 28px rgba(10, 28, 60, 0.16);
  --font: "Inter", "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background-color: #f2f4f8;
  background-image: linear-gradient(90deg, var(--page-grad-start) 0%, var(--page-grad-end) 100%);
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1440px, calc(100% - 3rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow: hidden;
  transition: all 0.3s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  position: relative;
  z-index: 3;
  transition: min-height 0.3s ease;
}

.site-header.scrolled .header-inner {
  min-height: 56px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  letter-spacing: 0.04em;
  font-weight: 700;
}

.brand-logo {
  height: 56px;
  width: auto;
  transition: height 0.3s ease;
}

.site-header.scrolled .brand-logo {
  height: 40px;
}

.brand-fallback {
  display: none;
  font-size: 1.1rem;
}

.top-nav {
  display: flex;
  gap: 0.15rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 500;
}

.top-nav a {
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  transition: background 130ms ease, color 130ms ease;
}

.top-nav a:hover,
.top-nav a:focus-visible {
  color: var(--ink);
  background: var(--bg-soft);
}

.bridge-glow {
  display: none;
}

.bridge-silhouette {
  display: none;
}

.hero {
  margin-top: 0;
  position: relative;
  overflow: visible;
  padding: 2.5rem 0 4.5rem;
  min-height: 440px;
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 1.5rem;
  align-items: end;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  background:
    linear-gradient(175deg, rgba(0, 10, 30, 0.18) 0%, rgba(0, 10, 30, 0.52) 100%),
    url("assets/hero.jpg") center 40% / cover no-repeat;
  transform: translateX(-50%);
  filter: saturate(1.15) contrast(1.02);
  border-top: none;
  border-bottom: none;
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  height: 54px;
  z-index: 4;
  pointer-events: none;
  background-image: linear-gradient(90deg, var(--page-grad-start) 0%, var(--page-grad-end) 100%);
  -webkit-mask: url('data:image/svg+xml;charset=utf8,<svg viewBox="0 0 1440 54" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="none"><path d="M0,54 L1440,54 L1440,10 C1000,64 400,-10 0,30 Z" fill="%23000"/></svg>') no-repeat center / 100% 100%;
  mask: url('data:image/svg+xml;charset=utf8,<svg viewBox="0 0 1440 54" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="none"><path d="M0,54 L1440,54 L1440,10 C1000,64 400,-10 0,30 Z" fill="%23000"/></svg>') no-repeat center / 100% 100%;
}

.hero-media,
.hero-meta {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(10, 28, 60, 0.18);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.hero-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.hero-thumb {
  position: absolute;
  width: 100%;
  height: 100%;
  inset: 0;
  object-fit: contain;
  background: #d9e6fa;
}

.hero-media iframe {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 0;
  inset: 0;
}

.hero-play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border: 0;
  border-radius: 999px;
  width: 80px;
  height: 80px;
  background: var(--accent);
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.38);
  transition: transform 150ms ease, background 150ms ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-play:hover {
  transform: translate(-50%, -50%) scale(1.1);
  background: #c82a19;
}

.hero-meta {
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-self: end;
}

.hero-kicker {
  margin: 0;
  color: var(--accent);
  text-transform: uppercase;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.hero-title {
  margin: 0;
  font-size: clamp(1.4rem, 2.8vw, 2.1rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--ink);
}

.hero-date {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.85rem;
  font-weight: 500;
}

.hero-description {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.5;
  font-size: 0.9rem;
}

.hero-cta {
  margin-top: auto;
  display: inline-flex;
  align-self: flex-start;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.55rem 1rem;
  border-radius: 7px;
  border: 1.5px solid var(--line);
  background: transparent;
  color: var(--ink);
  transition: background 140ms ease, border-color 140ms ease;
}

.hero-cta:hover {
  background: var(--bg-soft);
  border-color: var(--ink-soft);
}

.section {
  margin-top: 3rem;
}

#archief {
  padding-bottom: 260px;
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1.5px solid var(--line);
}

.section-head h2 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.section-head p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.section-head-search {
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.85rem 1rem;
  flex-wrap: wrap;
}

.section-head-copy {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.archive-search {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.archive-search input {
  min-width: 240px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.48rem 0.65rem;
  font: inherit;
  color: var(--ink);
  background: #fff;
}

.archive-search-btn,
.archive-search-reset {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 8px;
  padding: 0.48rem 0.72rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.archive-search-btn:hover,
.archive-search-reset:hover {
  background: var(--bg-soft);
}

.video-grid {
  display: grid;
  gap: 1rem;
}

.recent-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.archive-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.video-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 180ms ease, box-shadow 180ms ease;
  cursor: pointer;
}

.video-card:hover,
.video-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.video-thumb-wrap {
  aspect-ratio: 16 / 9;
  position: relative;
}

.video-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms ease;
}

.video-card:hover .video-thumb {
  transform: scale(1.03);
}

.video-card-body {
  padding: 0.85rem 1rem 1rem;
}

.video-title {
  margin: 0;
  line-height: 1.3;
  font-size: 0.93rem;
  font-weight: 700;
  color: var(--ink);
}

.video-date {
  margin: 0.3rem 0 0;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-soft);
  letter-spacing: 0.01em;
}

.video-description {
  margin: 0.4rem 0 0;
  font-size: 0.84rem;
  color: var(--ink-soft);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.archive-grid .video-card-body {
  padding: 0.85rem 0.95rem 0.9rem;
}

.archive-grid .video-description,
.archive-grid .video-meta {
  display: none;
}

.archive-grid .video-date {
  margin-top: 0.3rem;
}

.inline-player {
  grid-column: 1 / -1;
  position: relative;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 1rem;
  margin-top: 0.15rem;
  padding: 1rem;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-hover);
  animation: splitIn 240ms ease;
}

.inline-player-media iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  border-radius: 10px;
  background: #000;
}

.inline-player-meta {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  justify-content: flex-end;
}

.inline-close {
  position: absolute;
  right: 0.65rem;
  top: 0.65rem;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 999px;
  border: 1px solid rgba(34, 88, 153, 0.35);
  background: rgba(255, 255, 255, 0.96);
  color: #244569;
  font-size: 1rem;
  cursor: pointer;
}

.inline-close:hover,
.inline-close:focus-visible {
  background: rgba(239, 63, 47, 0.9);
  border-color: rgba(255, 255, 255, 0.7);
}

.inline-title {
  margin: 0;
  line-height: 1.2;
  font-weight: 700;
  color: var(--ink);
}

.inline-date,
.inline-description {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.5;
  font-size: 0.9rem;
}

.inline-description {
  max-height: 13.5em;
  overflow: auto;
}

.inline-youtube {
  margin-top: auto;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--accent);
}

.load-sentinel {
  height: 20px;
}

.archive-threshold-marker {
  grid-column: 1 / -1;
  height: 1px;
}

.sticky-archive-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  transform: translateY(120%);
  transition: transform 220ms ease;
  pointer-events: none;
  overflow: visible;
  background: #ffffff;
  border-top: 1px solid var(--line);
  filter: drop-shadow(0 -4px 10px rgba(10, 28, 60, 0.08));
}

.footer-wave {
  position: absolute;
  top: -53px;
  left: 0;
  right: 0;
  line-height: 0;
  pointer-events: none;
}

.footer-wave svg {
  width: 100%;
  display: block;
  height: 54px;
}

.sticky-archive-footer.is-visible {
  transform: translateY(0);
  pointer-events: auto;
}

.sticky-archive-chip {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 216px;
  z-index: 41;
  transform: translateY(16px);
  opacity: 0;
  visibility: hidden;
  transition: transform 220ms ease, opacity 160ms ease, visibility 160ms ease;
  pointer-events: none;
}

.sticky-archive-chip.is-visible {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.sticky-chip-wrap {
  display: flex;
  justify-content: center;
}

.sticky-chip-inner {
  display: inline-flex;
  align-items: center;
  background: rgba(13, 31, 56, 0.92);
  color: #e8f0ff;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.4rem 0.9rem;
  box-shadow: 0 4px 16px rgba(10, 28, 60, 0.3);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.sticky-archive-inner {
  border-radius: 0;
  background: transparent;
  min-height: 140px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 0;
  display: flex;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
}

.footer-logo {
  height: 50px;
  width: auto;
}

.sticky-footer-links {
  display: flex;
  flex-direction: row;
  gap: 0.2rem;
  align-items: center;
  flex-wrap: wrap;
  flex: 1;
}

.sticky-footer-links a {
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.35rem 0.6rem;
  border-radius: 5px;
  transition: background 130ms ease, color 130ms ease;
}

.sticky-footer-links a:hover,
.sticky-footer-links a:focus-visible {
  color: var(--ink);
  background: var(--bg-soft);
}

#stickyArchiveStatus {
  color: rgba(220, 235, 255, 0.92);
  font-size: 0.82rem;
}

.sticky-top-btn {
  border: 1.5px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 7px;
  padding: 0.48rem 1rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.88rem;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease;
}

.sticky-top-btn:hover,
.sticky-top-btn:focus-visible {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

@keyframes splitIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1050px) {
  .hero,
  .inline-player {
    grid-template-columns: 1fr;
  }

  .recent-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .archive-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100%, calc(100% - 1.2rem));
  }

  .brand-logo {
    height: 56px;
  }

  .header-inner {
    min-height: 72px;
  }

  .top-nav {
    display: none;
  }

  .hero-media {
    min-height: 220px;
  }

  .recent-grid {
    grid-template-columns: 1fr;
  }

  .archive-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section {
    margin-top: 1.6rem;
  }

  .section-head-search {
    align-items: stretch;
  }

  .section-head-copy {
    width: 100%;
  }

  .archive-search {
    width: 100%;
    flex-wrap: wrap;
  }

  .archive-search input {
    min-width: 0;
    width: 100%;
  }

  #recent,
  #archief {
    padding-left: 1.2rem;
    padding-right: 1.2rem;
  }

  #archief {
    padding-bottom: 320px;
  }

  .sticky-archive-inner {
    flex-wrap: wrap;
    padding: 0.9rem 0;
    min-height: 0;
  }

  .sticky-archive-chip {
    bottom: 228px;
  }

  .footer-logo {
    height: 42px;
  }

  .sticky-footer-links {
    gap: 0.8rem;
    width: 100%;
  }
}