/* ============================================================
   Posthum.ai — Home Page Styles
   ============================================================ */

/* ── HERO ─────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  /* Bas : réserve la place de l'indication « Explorer » (position absolue,
     environ 100 px) pour qu'elle ne chevauche pas les boutons sur les
     écrans peu hauts (ex. 1440×900). */
  padding: calc(var(--nav-height) + 2rem) 1.5rem 8rem;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(139, 127, 176, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(201, 169, 110, 0.05) 0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 80% 20%, rgba(139, 127, 176, 0.05) 0%, transparent 60%);
}

.hero-lines {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    180deg, transparent, transparent 80px,
    rgba(255, 255, 255, 0.012) 80px, rgba(255, 255, 255, 0.012) 81px
  );
}

.hero-orb {
  position: absolute;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 127, 176, 0.06) 0%, transparent 70%);
  animation: orbPulse 9s ease-in-out infinite;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
@keyframes orbPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1);    opacity: 0.55; }
  50%      { transform: translate(-50%, -50%) scale(1.18); opacity: 1; }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 880px;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.38em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 1s ease forwards 0.3s;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6.4rem);
  line-height: 1.05;
  margin-bottom: 1.6rem;
  /* Élément LCP probable : visible dès le premier rendu (opacité non nulle),
     délai court — l'entrée reste animée. */
  opacity: 0.01;
  animation: riseIn 0.9s ease forwards 0.1s;
}
.hero-title em { font-style: italic; color: var(--gold); }

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.22rem);
  font-weight: 300;
  color: var(--mist);
  line-height: 1.8;
  max-width: 620px;
  margin: 0 auto 2.8rem;
  opacity: 0;
  animation: fadeUp 1s ease forwards 0.9s;
}

.hero-actions {
  display: flex;
  gap: 1.1rem;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 1s ease forwards 1.2s;
}

.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fadeUp 1s ease forwards 1.8s;
}
.scroll-hint span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  color: var(--muted);
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 46px;
  background: linear-gradient(to bottom, var(--mist), transparent);
  animation: scrollDrop 2.2s ease-in-out infinite 2s;
}

@keyframes riseIn {
  from { opacity: 0.01; transform: translateY(22px); }
  to   { opacity: 1;    transform: translateY(0); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes scrollDrop {
  0%   { transform: scaleY(0); transform-origin: top;    opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top;    opacity: 1; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* ── CONCEPT ──────────────────────────────────────────────── */
.section-concept { padding: 8rem 0; }

.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5.5rem;
  align-items: center;
}
.concept-text p {
  color: var(--mist);
  line-height: 1.9;
  font-size: 1rem;
  margin-bottom: 1.4rem;
}
.concept-text strong { color: var(--silver); font-weight: 400; }

/* Carte voix — illustration du produit (données génériques, non nominatives) */
.voice-card {
  padding: 2.5rem;
  background: linear-gradient(135deg, rgba(26, 26, 46, 0.6), rgba(10, 10, 15, 0.85));
  border: 1px solid rgba(201, 169, 110, 0.12);
}
.voice-card-inner { display: flex; flex-direction: column; gap: 1.8rem; }
.voice-card-info { display: flex; flex-direction: column; gap: 0.4rem; }
.voice-card-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--mist);
  text-transform: uppercase;
}
.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #6fcf97;
  animation: statusPulse 2s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes statusPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.voice-card-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-style: italic;
  color: var(--gold-light);
}
.voice-card-caption {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.6;
}
.voice-card-modes {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.voice-mode {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silver);
  border: 1px solid rgba(201, 169, 110, 0.25);
  padding: 0.35rem 0.7rem;
}

/* ── COMMENT ÇA MARCHE ────────────────────────────────────── */
.section-how {
  padding: 8rem 0;
  background: linear-gradient(180deg, transparent, rgba(26, 26, 46, 0.22), transparent);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.2rem;
  margin-top: 4.5rem;
  position: relative;
}
.steps-grid::before {
  content: '';
  position: absolute;
  top: 3.8rem;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: linear-gradient(to right,
    rgba(201, 169, 110, 0.35), rgba(201, 169, 110, 0.15), rgba(201, 169, 110, 0.35));
}
.step { text-align: center; padding: 0 0.3rem; }
.step-phase {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.22rem 0.65rem;
  margin-bottom: 1rem;
}
.phase-alive { border: 1px solid rgba(139, 127, 176, 0.45); color: var(--accent); background: rgba(139, 127, 176, 0.08); }
.phase-ai    { border: 1px solid rgba(100, 180, 220, 0.35); color: #7cc0e4; background: rgba(100, 180, 220, 0.06); }
.phase-after { border: 1px solid rgba(201, 169, 110, 0.45); color: var(--gold); background: rgba(201, 169, 110, 0.07); }

.step-icon {
  width: 52px; height: 52px;
  border: 1px solid rgba(201, 169, 110, 0.3);
  margin: 0 auto 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--void);
  position: relative;
  z-index: 1;
}
.step-icon svg { width: 22px; height: 22px; stroke: var(--gold); }
.step h3 {
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 0.8rem;
  color: var(--white);
}
.step p { font-size: 0.88rem; color: var(--mist); line-height: 1.8; }

/* ── BANDEAU CITATION / MANIFESTE ─────────────────────────── */
.section-quote { padding: 7rem 0; text-align: center; }
.quote-block { max-width: 860px; margin: 0 auto; position: relative; }
.quote-mark {
  font-family: var(--font-display);
  font-size: 7rem;
  color: rgba(201, 169, 110, 0.09);
  line-height: 0.4;
  margin-bottom: 1.6rem;
  display: block;
}
.quote-text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.5;
  color: var(--silver);
  margin-bottom: 1.6rem;
}
.quote-author {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  color: var(--mist);
  text-transform: uppercase;
  font-style: normal;
}

/* ── RASSURANCE / SÉCURITÉ ────────────────────────────────── */
.section-trust {
  padding: 8rem 0;
  background: rgba(26, 26, 46, 0.14);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 4rem;
  border-top: 1px solid rgba(201, 169, 110, 0.14);
}
.trust-item {
  padding: 2.5rem 2rem 2.5rem 0;
  border-right: 1px solid rgba(255, 255, 255, 0.05);
}
.trust-item:first-child { padding-left: 0; }
.trust-item:last-child  { border-right: none; padding-right: 0; padding-left: 2rem; }
.trust-item:not(:first-child):not(:last-child) { padding-left: 2rem; }
.trust-icon { width: 34px; height: 34px; margin-bottom: 1.2rem; }
.trust-icon svg { width: 100%; height: 100%; stroke: var(--gold); opacity: 0.75; }
.trust-item h3 {
  font-size: 1.15rem;
  font-weight: 400;
  margin-bottom: 0.7rem;
  color: var(--gold-light);
}
.trust-item p { font-size: 0.86rem; color: var(--mist); line-height: 1.75; }

/* ── TARIFS ───────────────────────────────────────────────── */
.section-pricing { padding: 8rem 0; }
.pricing-note {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid rgba(201, 169, 110, 0.35);
  padding: 0.4rem 1rem;
  margin: 1.5rem auto 0;
}
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 840px;
  margin: 4rem auto 0;
}
.pricing-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 2.8rem;
  position: relative;
  transition: border-color var(--transition-medium), transform var(--transition-medium);
  background: linear-gradient(135deg, rgba(26, 26, 46, 0.4), rgba(10, 10, 15, 0.6));
}
.pricing-card:hover { border-color: rgba(201, 169, 110, 0.22); transform: translateY(-3px); }
.pricing-card--featured {
  border-color: rgba(201, 169, 110, 0.3);
  background: linear-gradient(135deg, rgba(201, 169, 110, 0.05), rgba(10, 10, 15, 0.8));
}
.pricing-featured-badge {
  position: absolute;
  top: -1px; right: 1.5rem;
  background: var(--gold);
  color: var(--void);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
}
.pricing-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 1.2rem;
  display: block;
}
.pricing-name { font-size: 1.9rem; font-weight: 300; margin-bottom: 0.4rem; }
.pricing-desc {
  font-size: 0.86rem;
  color: var(--mist);
  margin-bottom: 1.8rem;
  line-height: 1.65;
  min-height: 42px;
}
.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin-bottom: 1.8rem;
  padding-bottom: 1.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.price-currency {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--gold);
  align-self: flex-start;
  margin-top: 0.5rem;
}
.price-amount { font-family: var(--font-display); font-size: 3rem; font-weight: 300; color: var(--gold); line-height: 1; }
.price-period { font-size: 0.8rem; color: var(--mist); }
.pricing-features { margin-bottom: 2.2rem; }
.pricing-features li {
  font-size: 0.86rem;
  color: var(--silver);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.pricing-features li::before { content: '—'; color: var(--gold); font-size: 0.7rem; flex-shrink: 0; }
.pricing-soon {
  display: block;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0.9rem 0 0;
}

/* ── FAQ ──────────────────────────────────────────────────── */
.section-faq { padding: 8rem 0; }
.faq-list { max-width: 760px; margin: 4rem auto 0; }
.faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--white);
  transition: color var(--transition-fast);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--gold-light); }
.faq-item summary::after {
  content: '+' / '';
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--gold);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-answer {
  padding: 0 0 1.6rem;
  font-size: 0.92rem;
  color: var(--mist);
  line-height: 1.85;
  max-width: 640px;
}

/* ── CTA FINAL ────────────────────────────────────────────── */
.section-cta { padding: 10rem 0; text-align: center; position: relative; overflow: hidden; }
.cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(139, 127, 176, 0.07), transparent 70%);
  pointer-events: none;
}
.cta-content { position: relative; z-index: 1; }
.cta-title { font-size: clamp(2.2rem, 5vw, 4.2rem); line-height: 1.15; margin-bottom: 1.4rem; }
.cta-title em { font-style: italic; color: var(--gold); }
.cta-sub {
  font-size: 1rem;
  color: var(--mist);
  margin: 0 auto 2.6rem;
  max-width: 520px;
  line-height: 1.75;
}
.cta-actions { display: flex; gap: 1.1rem; justify-content: center; flex-wrap: wrap; }

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 980px) {
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid::before { display: none; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-item {
    padding: 2rem 1.5rem;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  .trust-item:nth-child(odd)  { padding-left: 0; }
  .trust-item:nth-child(even) { padding-right: 0; padding-left: 1.5rem; }
}

@media (max-width: 820px) {
  .concept-grid { grid-template-columns: 1fr; gap: 3rem; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 460px; }
}

@media (max-width: 600px) {
  .section-concept, .section-how, .section-pricing,
  .section-trust, .section-faq, .section-cta { padding: 5rem 0; }
  .steps-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item { padding: 1.8rem 0 !important; }
  .voice-card { padding: 1.8rem; }
  .faq-item summary { font-size: 1.1rem; }
}