.intro {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  overflow: hidden;
  /* Begint in Kahoot-paars ... */
  background: radial-gradient(circle at 50% 40%, #46178f, #25076b 70%);
  font-family: 'Montserrat', system-ui, sans-serif;
  cursor: pointer;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
/* ... en vloeit over in de eigen huisstijl */
.intro::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.9s ease;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120' preserveAspectRatio='none'%3E%3Cpath d='M0 60 Q150 20 300 60 T600 60 T900 60 T1200 60 V120 H0Z' fill='%23ffffff' fill-opacity='0.06'/%3E%3Cpath d='M0 80 Q150 45 300 80 T600 80 T900 80 T1200 80 V120 H0Z' fill='%23ffffff' fill-opacity='0.08'/%3E%3C/svg%3E") bottom / 100% 180px no-repeat,
    radial-gradient(circle at 50% 45%, #14508f, #0a1f44 70%);
}
.intro.s-brand::before { opacity: 1; }

.intro-sun {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 46vh;
  height: 46vh;
  margin: -23vh 0 0 -23vh;
  border-radius: 50%;
  background: radial-gradient(circle, #ffd36b 0%, var(--accent) 45%, rgba(255, 182, 39, 0) 70%);
  opacity: 0;
  transform: translateY(70vh) scale(0.6);
}
.intro.s-brand .intro-sun { animation: sun-rise 1.4s cubic-bezier(0.2, 0.8, 0.2, 1) 0.2s both; }
@keyframes sun-rise {
  to { opacity: 0.35; transform: none; }
}
.intro.out { opacity: 0; transform: scale(1.15); pointer-events: none; }

.intro-start {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  font-size: 22px;
  font-weight: 800;
  color: var(--muted);
}
.intro-start .play {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--accent);
  display: grid;
  place-items: center;
  animation: pulse 1.6s ease-in-out infinite;
}
.intro-start .play::after {
  content: '';
  margin-left: 10px;
  border-left: 40px solid var(--bg);
  border-top: 26px solid transparent;
  border-bottom: 26px solid transparent;
}
@keyframes pulse { 50% { transform: scale(1.08); box-shadow: 0 0 0 24px rgba(255, 210, 63, 0.12); } }

.intro-stage { position: relative; z-index: 1; text-align: center; }

.intro-logo {
  font-size: clamp(56px, 15vw, 220px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  white-space: nowrap;
  display: inline-flex;
  align-items: flex-end;
}
.intro-logo .l,
.intro-logo .bang {
  display: inline-block;
  opacity: 0;
  transform: translateY(40px) scale(0.6);
  transition: color 0.5s ease;
}
.intro.s-show .l,
.intro.s-show .bang { animation: letter-in 0.5s cubic-bezier(0.3, 1.6, 0.5, 1) both; }
.intro.s-shown .l,
.intro.s-shown .bang { opacity: 1; transform: none; }
.intro.s-nervous .l { animation: nervous 0.12s linear infinite; opacity: 1; transform: none; }
.intro.s-nervous .bang { opacity: 1; transform: none; }

/* De ruimte waar de y in valt */
.intro-logo .gap {
  display: inline-block;
  width: 0;
  position: relative;
  transition: width 0.35s cubic-bezier(0.3, 1.5, 0.5, 1);
}
.intro.s-open .gap { width: 0.58em; }
.intro-logo .y {
  position: absolute;
  left: 0;
  bottom: 0;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent);
  transform: translateY(-120vh) rotate(-40deg);
}
.intro.s-drop .y { animation: y-drop 0.9s cubic-bezier(0.5, 0, 0.5, 1) both; }
.intro.s-drop .l.h { animation: squash 0.9s ease both; transform-origin: bottom; }

.intro.s-kick .bang { animation: kick 1s cubic-bezier(0.3, 0, 0.7, 1) both; }

.intro.s-brand .y { animation: none; transform: none; }

/* Letters klappen één voor één om naar het eigen lettertype */
.intro-logo .l.flip { animation: flip 0.45s ease both !important; }
.intro-logo .l.new { font-family: var(--font-display); font-weight: 700; letter-spacing: 0; }
.intro-logo .l.hoot.new { color: var(--accent); }
.intro-logo .l.h.new { position: relative; }
@keyframes flip {
  0% { transform: none; }
  50% { transform: rotateX(90deg) scale(1.1); }
  100% { transform: none; }
}

.intro-stamp {
  position: absolute;
  right: -6%;
  top: -24%;
  font-size: clamp(20px, 2.6vw, 36px);
  font-weight: 900;
  text-transform: uppercase;
  font-family: var(--font-display);
  color: var(--coral);
  border: 5px solid var(--coral);
  border-radius: 12px;
  padding: 8px 18px;
  opacity: 0;
  transform: rotate(-9deg) scale(3);
  background: rgba(10, 31, 68, 0.6);
}
.intro.s-stamp .intro-stamp { animation: stamp 0.35s cubic-bezier(0.5, 0, 0.7, 1.4) both; }

.intro-tagline {
  margin-top: 90px;
  font-size: clamp(18px, 2vw, 28px);
  font-weight: 700;
  color: var(--muted);
  opacity: 0;
}
.intro.s-tag .intro-tagline { animation: rise 0.6s ease both; }

.intro-shake { animation: shake 0.4s ease; }

.confetti {
  position: absolute;
  top: -20px;
  width: 12px;
  height: 18px;
  border-radius: 3px;
  animation: confetti linear forwards;
}

@keyframes letter-in {
  from { opacity: 0; transform: translateY(40px) scale(0.6); }
  to { opacity: 1; transform: none; }
}
@keyframes nervous {
  0%, 100% { transform: translate(0, 0) rotate(0); }
  25% { transform: translate(-2px, 1px) rotate(-1.5deg); }
  75% { transform: translate(2px, -1px) rotate(1.5deg); }
}
@keyframes y-drop {
  0% { transform: translateY(-120vh) rotate(-40deg); }
  55% { transform: translateY(0) rotate(0); }
  70% { transform: translateY(-0.35em) rotate(8deg); }
  85% { transform: translateY(0) rotate(-3deg); }
  92% { transform: translateY(-0.08em); }
  100% { transform: none; }
}
@keyframes squash {
  0%, 52% { transform: none; }
  58% { transform: scale(1.25, 0.7) translateX(0.1em); }
  70% { transform: scale(0.9, 1.1); }
  100% { transform: none; }
}
@keyframes kick {
  0% { transform: none; }
  15% { transform: translateX(-0.08em) rotate(-10deg); }
  100% { transform: translate(60vw, 70vh) rotate(720deg); opacity: 0.6; }
}
@keyframes stamp {
  from { opacity: 0; transform: rotate(-9deg) scale(3); }
  to { opacity: 1; transform: rotate(-9deg) scale(1); }
}
@keyframes shake {
  0%, 100% { transform: none; }
  20% { transform: translate(-10px, 6px); }
  40% { transform: translate(8px, -6px); }
  60% { transform: translate(-6px, 4px); }
  80% { transform: translate(4px, -2px); }
}
@keyframes confetti {
  to { transform: translate(var(--dx), 110vh) rotate(var(--rot)); }
}

/* Telefoon: stempel boven het logo, ondertitel binnen beeld */
@media (max-width: 600px) {
  .intro-stamp { top: -70px; right: 0; font-size: 15px; border-width: 3px; padding: 6px 10px; }
  .intro-tagline { margin-top: 48px; padding: 0 16px; font-size: 16px; }
}