/* ============ On Tranche — landing ============ */
:root {
  --bg: #070707;
  --surface: #111114;
  --border: #26262e;
  --text: #ffffff;
  --text-2: #a9a6c0;
  --muted: #6e6b85;
  --accent: #8b7bff;
  --accent-2: #6c4bff;
  --accent-hi: #b9a7ff;
  --max: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* halo d'ambiance fixe */
.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(60vw 60vw at 75% -10%, rgba(108, 75, 255, 0.18), transparent 60%),
    radial-gradient(50vw 50vw at 10% 20%, rgba(139, 123, 255, 0.10), transparent 55%);
}

main, .footer { position: relative; z-index: 1; }

/* ============ Wordmark ============ */
.wordmark {
  font-family: "Unbounded", sans-serif;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--text);
}
.wordmark__on { color: var(--accent); }

/* ============ Boutons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s;
  white-space: nowrap;
}
.btn--primary {
  background: linear-gradient(135deg, var(--accent-hi), var(--accent-2));
  color: #fff;
  box-shadow: 0 8px 30px rgba(108, 75, 255, 0.35);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(108, 75, 255, 0.5); }
.btn--ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
  color: var(--text);
}
.btn--ghost:hover { transform: translateY(-2px); border-color: var(--accent); }

/* ============ Nav ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1.2rem, 4vw, 2.5rem);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(7, 7, 7, 0.6);
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s;
}
.nav.scrolled {
  background: rgba(7, 7, 7, 0.88);
  border-bottom-color: var(--border);
}
.nav__brand { display: flex; align-items: center; gap: 0.6rem; }
.nav__logo { width: 34px; height: 34px; }
.nav .wordmark { font-size: 1.25rem; }
.nav__cta { padding: 0.6rem 1.2rem; }

/* ============ Hero ============ */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3rem, 9vw, 7rem) clamp(1.2rem, 4vw, 2.5rem) clamp(3rem, 7vw, 5rem);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.1rem;
}
.hero__title {
  font-family: "Unbounded", sans-serif;
  font-weight: 900;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
}
.grad {
  background: linear-gradient(120deg, var(--accent-hi), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__sub {
  color: var(--text-2);
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  margin: 1.4rem 0 2rem;
  max-width: 34ch;
}
.hero__cta { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.hero__note { margin-top: 1.4rem; color: var(--muted); font-size: 0.9rem; }

/* orbe animée */
.hero__visual { display: flex; justify-content: center; }
.orb {
  position: relative;
  width: min(400px, 80vw);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  animation: float 6s ease-in-out infinite;
}
.orb__logo {
  width: 100%;
  filter: drop-shadow(0 0 60px rgba(108, 75, 255, 0.45));
}
.orb__sweep {
  position: absolute;
  inset: -10%;
  border-radius: 50%;
  background: conic-gradient(from 200deg, transparent 0 60%, rgba(185, 167, 255, 0.25) 72%, transparent 80%);
  animation: spin 8s linear infinite;
}
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }
@keyframes spin { to { transform: rotate(360deg); } }

/* ============ Sections ============ */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 6rem) clamp(1.2rem, 4vw, 2.5rem);
}
.section__title {
  font-family: "Unbounded", sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: -0.02em;
  text-align: center;
}
.section__lead {
  color: var(--text-2);
  text-align: center;
  max-width: 46ch;
  margin: 1rem auto 0;
  font-size: 1.05rem;
}

/* étapes */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 3rem; }
.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 2rem 1.6rem;
  transition: transform 0.3s var(--ease), border-color 0.3s;
}
.step:hover { transform: translateY(-6px); border-color: rgba(139, 123, 255, 0.5); }
.step__num {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  font-family: "Unbounded", sans-serif;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent-hi), var(--accent-2));
  color: #fff;
  margin-bottom: 1.1rem;
}
.step h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.step p { color: var(--text-2); font-size: 0.98rem; }

/* showcase verdict */
.verdict-showcase {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 3rem;
  align-items: center;
}
.ticks { list-style: none; margin-top: 1.6rem; display: grid; gap: 0.8rem; }
.ticks li { position: relative; padding-left: 1.8rem; color: var(--text-2); }
.ticks li::before {
  content: "⚖";
  position: absolute; left: 0;
  color: var(--accent);
}

.vcard {
  --v-accent: var(--accent);
  position: relative;
  border-radius: 26px;
  border: 1px solid rgba(155, 135, 255, 0.45);
  background: linear-gradient(140deg, #2a1e5c, #160f33);
  padding: 1.8rem;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5);
  transition: transform 0.35s var(--ease);
}
.vcard:hover { transform: translateY(-8px) rotate(-1deg); }
.vcard__tag { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.2em; color: var(--v-accent); }
.vcard__headline {
  font-family: "Unbounded", sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  line-height: 1.25;
  margin-top: 1rem;
  text-transform: uppercase;
}
.vcard__icon { font-size: 3rem; text-align: center; padding: 1.2rem 0; }
.vcard__foot {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 1rem;
}
.vcard__label { color: rgba(255, 255, 255, 0.85); font-weight: 600; }
.vcard__score { font-size: 1.5rem; font-weight: 800; color: var(--v-accent); }
.vcard__brand {
  font-family: "Unbounded", sans-serif;
  font-weight: 900;
  font-size: 0.8rem;
  text-align: center;
  margin-top: 0.9rem;
  opacity: 0.55;
}

/* chips variantes */
.chips { display: flex; flex-wrap: wrap; gap: 0.9rem; justify-content: center; margin-top: 3rem; }
.chip {
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid var(--v-accent, var(--accent));
  color: var(--v-accent, var(--accent));
  background: color-mix(in srgb, var(--v-accent, var(--accent)) 10%, transparent);
  transition: transform 0.25s var(--ease);
}
.chip:hover { transform: translateY(-4px) scale(1.04); }

/* mapping des couleurs de variantes */
[data-variant="you_right"]   { --v-accent: #9b87ff; }
[data-variant="apologize"]   { --v-accent: #e9b84c; }
[data-variant="overreacting"]{ --v-accent: #f06aae; }
[data-variant="both_wrong"]  { --v-accent: #f16a6a; }
[data-variant="nobody_wrong"]{ --v-accent: #3fd6b0; }

.vcard[data-variant="overreacting"] {
  border-color: rgba(240, 106, 174, 0.4);
  background: linear-gradient(140deg, #331327, #1c0a17);
}
.vcard[data-variant="apologize"] {
  border-color: rgba(233, 184, 76, 0.4);
  background: linear-gradient(140deg, #332615, #1c140a);
}

/* features */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; margin-top: 3rem; }
.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 1.8rem;
  transition: transform 0.3s var(--ease), border-color 0.3s;
}
.feature:hover { transform: translateY(-5px); border-color: rgba(139, 123, 255, 0.4); }
.feature h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.feature p { color: var(--text-2); }

/* waitlist */
.section--waitlist { text-align: center; }
.waitlist {
  background: linear-gradient(160deg, rgba(42, 30, 92, 0.5), rgba(7, 7, 7, 0.2));
  border: 1px solid rgba(139, 123, 255, 0.3);
  border-radius: 30px;
  padding: clamp(2.5rem, 6vw, 4rem);
}
.waitlist__form {
  display: flex;
  gap: 0.7rem;
  max-width: 480px;
  margin: 2rem auto 0;
  flex-wrap: wrap;
  justify-content: center;
}
.waitlist__form input {
  flex: 1;
  min-width: 220px;
  padding: 0.9rem 1.3rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
}
.waitlist__form input:focus { outline: none; border-color: var(--accent); }
.waitlist__form input::placeholder { color: var(--muted); }
.waitlist__ok { margin-top: 1.2rem; color: var(--accent-hi); font-weight: 600; }

/* faq */
.faq { max-width: 720px; margin: 2.5rem auto 0; display: grid; gap: 0.8rem; }
.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.1rem 1.4rem;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.4rem; transition: transform 0.3s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--text-2); margin-top: 0.8rem; }
.faq a { color: var(--accent); text-decoration: underline; }

/* footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 3rem clamp(1.2rem, 4vw, 2.5rem);
  text-align: center;
  display: grid;
  gap: 1rem;
  justify-items: center;
}
.footer__brand { display: flex; align-items: center; gap: 0.6rem; }
.footer__logo { width: 30px; height: 30px; }
.footer .wordmark { font-size: 1.15rem; }
.footer__tag { color: var(--muted); }
.footer__links { display: flex; gap: 1.4rem; flex-wrap: wrap; justify-content: center; color: var(--text-2); }
.footer__links a { transition: color 0.2s; }
.footer__links a:hover { color: var(--accent); }
.footer__copy { color: var(--muted); font-size: 0.85rem; }

/* ============ Reveal on scroll ============ */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-reveal].in { opacity: 1; transform: none; }

/* ============ Responsive ============ */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding-top: 2.5rem; }
  .hero__sub { margin-inline: auto; }
  .hero__cta { justify-content: center; }
  .hero__visual { order: -1; }
  .orb { width: min(300px, 70vw); }
  .steps, .features, .verdict-showcase { grid-template-columns: 1fr; }
  .verdict-showcase { text-align: center; }
  .ticks { justify-items: center; text-align: left; max-width: 30ch; margin-inline: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, [data-reveal] { animation: none !important; transition: none !important; }
  [data-reveal] { opacity: 1; transform: none; }
}