.hero,
.page-hero {
  position: relative;
  overflow: clip;
}

.hero {
  padding: 30px clamp(20px, 6vw, 92px) 96px;
}

.page-hero {
  padding: 28px clamp(20px, 6vw, 92px) 54px;
}

.hero::before,
.hero::after,
.page-hero::before,
.page-hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  pointer-events: none;
  animation: floatGlow 18s ease-in-out infinite alternate;
}

.hero::before {
  width: 520px;
  height: 520px;
  right: -210px;
  top: -230px;
  border-radius: 50%;
  background: conic-gradient(from 220deg, rgba(37, 99, 235, 0.27), rgba(14, 165, 164, 0.16), rgba(249, 115, 22, 0.14), rgba(37, 99, 235, 0.27));
  filter: blur(14px);
}

.hero::after {
  display: none;
}

.page-hero::before {
  width: 420px;
  height: 420px;
  right: -200px;
  top: -220px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 32%, rgba(37, 99, 235, 0.22), rgba(37, 99, 235, 0));
  animation-duration: 20s;
}

.page-hero::after {
  width: 380px;
  height: 380px;
  left: -180px;
  bottom: -220px;
  border-radius: 50%;
  background: radial-gradient(circle at 55% 55%, rgba(14, 165, 164, 0.18), rgba(14, 165, 164, 0));
  animation-duration: 25s;
}

.nav {
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 20px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.36);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(16px) saturate(1.2);
}

.brand {
  font-family: "Sora", "Avenir Next", sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  gap: 18px;
  color: var(--muted-2);
  font-weight: 600;
  flex-wrap: wrap;
}

.hero-grid {
  position: relative;
  z-index: 1;
  margin-top: 56px;
  display: grid;
  grid-template-columns: minmax(290px, 1.25fr) minmax(250px, 0.9fr);
  gap: clamp(24px, 3vw, 44px);
  align-items: center;
}

.hero-copy {
  max-width: 680px;
}

.page-head {
  position: relative;
  z-index: 1;
  margin-top: 40px;
  max-width: 710px;
}

.lead {
  margin: 18px 0 30px;
  font-size: 1.08rem;
  max-width: 62ch;
}

.hero-actions,
.cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.meta {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
}

section {
  margin-top: 96px;
}

.section-head {
  max-width: 720px;
  margin-bottom: 30px;
}

.section {
  display: grid;
  gap: 28px;
}

.feature-grid,
.steps-grid,
.objectives-grid,
.flashcards-grid,
.plans-grid,
.blank-grid,
.footer-grid {
  display: grid;
  gap: 18px;
}

.feature-grid {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.steps-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.objectives-grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.flashcards-grid,
.plans-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.blank-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.hero-stack {
  display: grid;
  gap: 16px;
  max-width: 400px;
  justify-self: end;
}

.filter-panel {
  display: grid;
  gap: 22px;
  margin-bottom: 30px;
}

.panel,
.explorer,
.abonnement,
.vierges {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.92), rgba(248, 250, 252, 0.84));
  border-radius: var(--radius-xl);
  padding: clamp(30px, 4vw, 52px);
  border: 1px solid rgba(148, 163, 184, 0.32);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(6px);
}

.panel::after,
.explorer::after,
.abonnement::after,
.vierges::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 130px;
  height: 130px;
  background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.2), rgba(37, 99, 235, 0));
  pointer-events: none;
}

.cta-band {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(28px, 3vw, 38px);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(148, 163, 184, 0.34);
  background: linear-gradient(128deg, rgba(37, 99, 235, 0.1), rgba(14, 165, 164, 0.09), rgba(255, 255, 255, 0.85));
  box-shadow: var(--shadow-md);
}

.footer {
  position: relative;
  padding: 56px clamp(20px, 6vw, 92px) 74px;
  background:
    linear-gradient(0deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.88)),
    linear-gradient(110deg, rgba(37, 99, 235, 0.1), rgba(14, 165, 164, 0.08));
  border-top: 1px solid rgba(148, 163, 184, 0.26);
  margin-top: 84px;
}

.footer-grid {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 26px;
}

.footer-links {
  display: grid;
  gap: 9px;
  font-weight: 600;
}

@keyframes floatGlow {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  100% {
    transform: translate3d(16px, -14px, 0) scale(1.06);
  }
}

@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-stack {
    justify-self: start;
  }
}

@media (max-width: 900px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
    border-radius: 26px;
  }

  .panel,
  .explorer,
  .abonnement,
  .vierges {
    padding: 30px;
  }

  .cta-band {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 22px;
  }

  .hero-actions,
  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .nav {
    padding: 13px 16px;
  }

  .nav-links {
    gap: 12px;
  }
}