:root {
  --background: #f5f5f5;
  --foreground: #1a1a2e;
  --primary: #16213e;
  --primary-light: #1f4068;
  --accent: #e94560;
  --accent-hover: #ff6b6b;
  --surface: #ffffff;
  --surface-hover: #ebebeb;
  --border: #e0dcd4;
  --text-muted: #6b7280;
  --success: #10b981;
  --warning: #f59e0b;
}

[data-theme="dark"] {
  --background: #1a1a1a;
  --foreground: #f0f0f0;
  --primary: #a8b4c4;
  --primary-light: #8899aa;
  --accent: #e94560;
  --accent-hover: #ff6b6b;
  --surface: #2a2a2a;
  --surface-hover: #3a3a3a;
  --border: #444444;
  --text-muted: #9ca3af;
  --success: #10b981;
  --warning: #f59e0b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: "Crimson Pro", Georgia, serif;
  min-height: 100vh;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
}

::selection {
  background: rgba(233, 69, 96, 0.3);
  color: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(22, 33, 62, 0.2);
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(22, 33, 62, 0.3);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(233, 69, 96, 0.3);
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(233, 69, 96, 0.4);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}
.card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

/* Landingspagina */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  position: fixed;
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  background: var(--surface);
  color: var(--foreground);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  z-index: 100;
}

.theme-toggle {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 50;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.45rem 0.75rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--foreground);
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  transition: background 0.2s ease, border-color 0.2s ease;
}
.theme-toggle:hover {
  background: var(--surface-hover);
}

.landing {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  justify-content: center;
  padding: clamp(2rem, 6vw, 3.5rem) clamp(1.25rem, 4vw, 2rem) 2.5rem;
  background: linear-gradient(
    165deg,
    rgba(22, 33, 62, 0.06) 0%,
    var(--background) 50%,
    rgba(233, 69, 96, 0.05) 100%
  );
}
[data-theme="dark"] .landing {
  background: linear-gradient(
    165deg,
    rgba(168, 180, 196, 0.1) 0%,
    var(--background) 50%,
    rgba(233, 69, 96, 0.08) 100%
  );
}

/* Licht kader: zwarte logo-tekst blijft leesbaar (ook in dark mode) */
.landing__logo-frame {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  padding: clamp(0.875rem, 2.5vw, 1.35rem) clamp(1rem, 3vw, 1.75rem);
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
  max-width: min(24rem, calc(100% - 2rem));
  box-sizing: border-box;
}

[data-theme="dark"] .landing__logo-frame {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.landing__logo {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
}

.landing__title {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 7vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--foreground);
}

.landing__intro {
  margin: 0;
  max-width: 36rem;
  font-size: 1.125rem;
}

.landing__cards {
  margin-top: clamp(2rem, 5vw, 2.75rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  width: 100%;
}

.card--about {
  max-width: min(52rem, 100%);
  width: 100%;
  padding: clamp(1rem, 3vw, 1.35rem) clamp(1.15rem, 3vw, 1.5rem);
  text-align: left;
}

.card__title {
  margin: 0 0 0.65rem;
  font-size: 1.1rem;
  font-weight: 600;
  text-align: center;
}

.card--about p {
  margin: 0;
  font-size: 0.98rem;
}

.contact-mail {
  color: var(--primary-light);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}
[data-theme="dark"] .contact-mail {
  color: var(--primary);
}
.contact-mail:hover {
  color: var(--accent);
}

.text-muted {
  color: var(--text-muted);
}

.site-footer {
  padding: 1rem;
  text-align: center;
}
.site-footer p {
  margin: 0;
  font-size: 0.875rem;
}