/* LGCT lively polish — couche légère, sobre, réversible */

:root {
  --accent-glow: rgba(143, 182, 201, 0.34);
  --warm-glow: rgba(200, 155, 95, 0.26);
  --quiet-glow: rgba(241, 239, 232, 0.07);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(120deg, transparent 0 18%, rgba(143, 182, 201, 0.035) 18.2% 18.6%, transparent 19% 100%),
    radial-gradient(circle at calc(20% + var(--motion-x) * 3%) calc(58% + var(--motion-y) * 2%), rgba(143, 182, 201, 0.07), transparent 28rem),
    radial-gradient(circle at calc(80% - var(--motion-x) * 3%) calc(76% - var(--motion-y) * 2%), rgba(200, 155, 95, 0.055), transparent 24rem);
  opacity: 0.72;
}

@supports ((background-clip: text) or (-webkit-background-clip: text)) {
  h1 {
    color: var(--text);
    background: linear-gradient(110deg, var(--text) 0%, #d9e8ef 42%, #e4c496 78%, var(--text) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }
}

.hero-copy::after,
.product-hero-layout > div:first-child::after,
.hero:not(.hero-split):not(.product-hero-layout)::after {
  content: "";
  display: block;
  width: clamp(7rem, 22vw, 16rem);
  height: 1px;
  margin-top: clamp(1.35rem, 3vw, 2.2rem);
  background: linear-gradient(90deg, var(--accent), var(--accent-strong), transparent);
  opacity: 0.76;
}

.card,
.feature-card,
.method-step,
.info-panel,
.contact-card,
.visual-panel,
.situation-panel,
.message-panel {
  border-color: rgba(143, 182, 201, 0.20);
  box-shadow:
    0 26px 70px -52px rgba(0, 0, 0, 0.95),
    0 1px 0 rgba(241, 239, 232, 0.035) inset;
}

.nav-card {
  display: block;
  color: inherit;
  text-decoration: none;
}

.nav-card h3,
.nav-card p {
  transition: color 180ms ease;
}

.nav-card:hover h3,
.nav-card:focus-visible h3 {
  color: var(--accent);
}

.nav-card:hover p,
.nav-card:focus-visible p {
  color: var(--text);
}

.card::before,
.info-panel::before,
.contact-card::before {
  content: "";
  position: absolute;
  left: 0;
  right: auto;
  bottom: 0;
  width: min(9rem, 44%);
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong), transparent);
  opacity: 0.54;
  pointer-events: none;
}

.info-panel::before,
.contact-card::before { top: 0; bottom: auto; }

.method-step {
  border-bottom-color: rgba(143, 182, 201, 0.30);
}

.feature-card,
.visual-panel,
.situation-panel,
.message-panel {
  box-shadow:
    0 34px 90px -58px rgba(0, 0, 0, 0.98),
    0 0 0 1px rgba(241, 239, 232, 0.025) inset;
}

.service-icon,
.status-pill {
  box-shadow:
    0 12px 34px -28px var(--accent-glow),
    0 1px 0 rgba(241, 239, 232, 0.06) inset;
}

.button,
.product-nav a {
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.button:hover,
.product-nav a:hover {
  box-shadow: 0 18px 44px -34px var(--accent-glow);
}

.product-nav {
  border-color: rgba(143, 182, 201, 0.20);
  background:
    linear-gradient(135deg, rgba(143, 182, 201, 0.075), rgba(200, 155, 95, 0.045)),
    rgba(12, 15, 18, 0.76);
  box-shadow: 0 20px 58px -46px rgba(0, 0, 0, 0.92);
}

.product-nav a[aria-current="page"] {
  background: linear-gradient(135deg, rgba(143, 182, 201, 0.18), rgba(200, 155, 95, 0.12));
  box-shadow: 0 10px 28px -24px var(--warm-glow);
}

.hero-visual-card,
.phone-mockup,
.premium-visual {
  box-shadow:
    0 42px 115px -58px rgba(0, 0, 0, 0.98),
    0 0 0 1px rgba(241, 239, 232, 0.035) inset,
    0 0 70px -48px var(--accent-glow);
}

.phone-mockup {
  background:
    radial-gradient(circle at 48% 18%, rgba(143, 182, 201, 0.28), transparent 11rem),
    radial-gradient(circle at 72% 82%, rgba(200, 155, 95, 0.14), transparent 10rem),
    linear-gradient(180deg, #161d24, #07090b);
}

.phone-screen {
  box-shadow: inset 0 0 0 1px rgba(241, 239, 232, 0.035), inset 0 -40px 90px -70px var(--warm-glow);
}

.phone-screen::after,
.player-art::after,
.premium-visual::after,
.screenshot-slot::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.phone-screen::after {
  border-radius: inherit;
  background: linear-gradient(120deg, transparent 0 46%, rgba(241, 239, 232, 0.055) 48%, transparent 53% 100%);
  opacity: 0.6;
}

.player-art {
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 55px -40px var(--accent-glow);
}

.player-art::after {
  background:
    linear-gradient(135deg, rgba(241, 239, 232, 0.10), transparent 36%),
    radial-gradient(circle at 82% 20%, rgba(241, 239, 232, 0.10), transparent 7rem);
  mix-blend-mode: screen;
}

.player-wave span,
.equalizer span {
  box-shadow: 0 0 22px -12px var(--accent-glow);
}

.player-wave span {
  transform-origin: bottom;
  animation: lgct-wave 2.6s ease-in-out infinite;
}

.player-wave span:nth-child(2n) { animation-delay: -0.55s; }
.player-wave span:nth-child(3n) { animation-delay: -1.1s; }
.player-wave span:nth-child(5n) { animation-delay: -1.7s; }

.equalizer span {
  transform-origin: bottom;
  animation: lgct-eq 3.4s ease-in-out infinite;
}

.equalizer span:nth-child(2n) { animation-delay: -0.7s; }
.equalizer span:nth-child(3n) { animation-delay: -1.35s; }
.equalizer span:nth-child(5n) { animation-delay: -2s; }

.screenshot-strip {
  border-style: solid;
  border-color: rgba(143, 182, 201, 0.18);
  box-shadow: 0 28px 74px -58px rgba(0, 0, 0, 0.95);
}

.screenshot-slot {
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 -40px 90px -78px var(--accent-glow);
}

.screenshot-slot::after {
  background: linear-gradient(180deg, transparent, rgba(8, 10, 12, 0.72));
}

.screenshot-slot span {
  position: relative;
  z-index: 1;
  letter-spacing: -0.01em;
}

.site-footer {
  box-shadow: 0 -22px 72px -62px var(--accent-glow);
}

@keyframes lgct-wave {
  0%, 100% { transform: scaleY(0.88); opacity: 0.64; }
  50% { transform: scaleY(1.08); opacity: 0.92; }
}

@keyframes lgct-eq {
  0%, 100% { transform: scaleY(0.9); opacity: 0.66; }
  50% { transform: scaleY(1.06); opacity: 0.9; }
}

@media (max-width: 780px) {
  body::after { opacity: 0.48; }

  main { padding-top: 1rem; }
  main > section + section { margin-top: 2.1rem; }
  .hero { padding-top: 1.25rem; padding-bottom: 1.05rem; }
  .hero-split,
  .product-hero-layout { gap: 1.25rem; }
  .hero-visual-card { min-height: 260px; }
  .product-nav { margin-top: 0.7rem; margin-bottom: 2rem; }
  .phone-mockup { width: min(100%, 292px); min-height: 382px; border-radius: 34px; }
  .phone-screen { inset: 2.45rem 0.78rem 0.78rem; padding: 0.82rem; border-radius: 24px; }
  .player-wave { height: 2.6rem; margin: 0.85rem 0; }
  .player-controls span { width: 2.15rem; height: 2.15rem; }
  .player-controls span:nth-child(2) { width: 2.85rem; height: 2.85rem; }

  .hero-copy::after,
  .product-hero-layout > div:first-child::after,
  .hero:not(.hero-split):not(.product-hero-layout)::after {
    width: 9rem;
    margin-top: 1.1rem;
  }
}

@media (max-width: 520px) {
  .phone-mockup { min-height: 340px; }
  .player-line,
  .player-line.short { margin-top: 0.72rem; }
  .player-wave { height: 2.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  body::after {
    background:
      radial-gradient(circle at 20% 58%, rgba(143, 182, 201, 0.045), transparent 24rem),
      radial-gradient(circle at 80% 76%, rgba(200, 155, 95, 0.04), transparent 22rem);
  }

  .player-wave span,
  .equalizer span {
    animation: none;
  }

  .button:hover,
  .product-nav a:hover {
    transform: none;
  }
}