:root {
  --bg: #f2efec;
  --text: #111111;
  --accent: #ff3b1f;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Indiana", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  font-weight: bold;
}

#app {
  position: relative;
  height: 100dvh;
  overflow: hidden;
}

.video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video--full { z-index: 0; opacity: 1; }

.overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0.35) 100%);
  pointer-events: none;
  opacity: 0.25;
}

.content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  align-items: start;
  padding: 24px 20px 32px;
  max-width: 440px;
}

.lead strong { 
  color: #ff3b1f;   
  font-weight: bold; 
  opacity: 1;
  transform: translateY(0);
  transition: opacity 1000ms cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 1000ms cubic-bezier(0.25, 0.46, 0.45, 0.94), color 1667ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.lead {
  margin: 8px 0;
  font-size: 24px;
  line-height: 1.2;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1000ms cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 1000ms cubic-bezier(0.25, 0.46, 0.45, 0.94), color 1667ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.lead.white-text {
  color: white;
}

.lead.white-text strong {
  color: white;
}

.lead strong.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* reveal animation: 1s smooth animation */
.lead.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Crossfade slide for language swap */
.swap-out {
  animation: swapOut 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}
.swap-in {
  animation: swapIn 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}
@keyframes swapOut {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(-15px); }
}
@keyframes swapIn {
  0% { opacity: 0; transform: translateY(15px); }
  100% { opacity: 1; transform: translateY(0); }
}

.buttons {
  margin-top: 30px;
  display: flex;
  gap: 16px;
  justify-self: center;
  align-self: end;
  margin-bottom: 20px;
  width: 100%;
  justify-content: center;
}
.btn {
  flex: 1 1 0;
  min-width: 0;
  appearance: none;
  border: none;
  background: #ff4b2b;
  color: white;
  font-family: "Indiana", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  font-weight: bold;
  font-size: 24px;
  line-height: 1.2;
  padding: 14px 18px;
  border-radius: 14px;
  box-shadow: none;
  transition: transform 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  opacity: 0; /* hidden until end of intro timeline */
  transform: translateY(16px);
}
.btn-alt { background: #ff3b1f; }
.btn:active { transform: translateY(18px) scale(0.98); }
.btn.show { opacity: 1; transform: translateY(0); }

/* Small devices first; adjust for larger screens */
@media (min-width: 480px) {
  .content { padding: 32px; max-width: 520px; }
  .brand { font-size: 32px; }
  .lead { font-size: 20px; }
}

/* Ending page */
body.ending-page {
  background: #000;
  color: #fff;
  font-family: "Indiana", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

.ending-app {
  position: relative;
  height: 100dvh;
  overflow: hidden;
}

.ending-page .overlay {
  opacity: 0.45;
}

.credits-container {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  padding: 32px 20px 40px;
  pointer-events: none;
  z-index: 3;
}

.credits {
  max-width: 540px;
  text-align: center;
  font-size: 18px;
  line-height: 1.4;
  color: #fff;
  opacity: 0;
  transform: translateY(100%);
}

.credits p {
  margin: 0 0 18px;
}

.credit-role {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #ff3b1f;
  margin-bottom: 6px;
}

.credits--visible {
  animation: creditsScroll 24s linear forwards;
}

@keyframes creditsScroll {
  0% {
    opacity: 0;
    transform: translateY(100%);
  }
  5% {
    opacity: 1;
  }
  100% {
    opacity: 1;
    transform: translateY(-120%);
  }
}