:root {
  --blue: #1740d8;
  --blue-bright: #3f6bff;
  --blue-deep: #0b1f7a;
  --lime: #c9f24c;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--blue-deep);
  color: #fff;
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}

a { color: inherit; }

.screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(0.7rem, 2.2vh, 1.1rem);
  min-height: 100vh;
  min-height: 100svh;
  padding: calc(1.25rem + env(safe-area-inset-top)) 1.25rem calc(1rem + env(safe-area-inset-bottom));
  background: radial-gradient(120% 70% at 50% 0%, var(--blue-bright) 0%, var(--blue) 50%, var(--blue-deep) 100%);
  text-align: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.15rem;
  font-weight: 700;
}

.brand img { width: 44px; height: 44px; border-radius: 11px; box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3); }

h1 {
  max-width: 21rem;
  margin: 0;
  font-size: clamp(1.9rem, 8.5vw, 2.6rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

h1 em { font-style: normal; color: var(--lime); }

.lead { max-width: 21rem; margin: 0; font-size: 1.02rem; opacity: 0.9; }

.needs {
  display: grid;
  gap: 0.45rem;
  width: 100%;
  max-width: 21rem;
  margin: 0;
  padding: 0;
  list-style: none;
  text-align: left;
}

.needs li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.5rem 0.85rem;
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.95rem;
  line-height: 1.3;
}

.needs span { flex: none; font-size: 1.25rem; }

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  max-width: 21rem;
  padding: 1rem 1.4rem;
  border-radius: 999px;
  background: #fff;
  color: var(--blue-deep);
  font-weight: 750;
  font-size: 1.08rem;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transition: transform 0.15s ease;
}

.cta:active { transform: scale(0.97); }
.cta svg { width: 22px; height: 22px; flex: none; }

.reassure { margin: -0.5rem 0 0; font-size: 0.85rem; opacity: 0.8; }

.hint {
  max-width: 21rem;
  margin: 0;
  padding: 0.7rem 0.9rem;
  border: 1px dashed rgba(255, 255, 255, 0.4);
  border-radius: 0.9rem;
  font-size: 0.85rem;
  line-height: 1.4;
}

.hint b { color: var(--lime); }

/* Dans le navigateur de TikTok ou d'Instagram, la consigne passe devant et une flèche montre les ••• */
.inapp .hint { border-style: solid; border-color: var(--lime); background: rgba(201, 242, 76, 0.12); }

.arrow {
  display: none;
  position: fixed;
  top: calc(0.4rem + env(safe-area-inset-top));
  right: 0.9rem;
  color: var(--lime);
  font-size: 2rem;
  line-height: 1;
  animation: nudge 1.2s ease-in-out infinite;
}

.inapp .arrow { display: block; }

@keyframes nudge {
  50% { transform: translate(4px, -6px); }
}

footer { font-size: 0.75rem; opacity: 0.6; }
footer a { text-decoration: none; }