.download-page-body {
  background:
    radial-gradient(circle at 12% 4%, rgba(255, 155, 84, 0.12), transparent 24rem),
    radial-gradient(circle at 88% 0%, rgba(65, 243, 255, 0.18), transparent 34rem),
    radial-gradient(circle at 50% 58%, rgba(184, 108, 255, 0.14), transparent 42rem),
    linear-gradient(180deg, #040b12 0%, #02060b 54%, #060812 100%);
}

.download-page-body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -4;
  pointer-events: none;
  background:
    conic-gradient(from 160deg at 50% 35%, transparent 0deg, rgba(65, 243, 255, 0.09) 52deg, transparent 118deg, rgba(184, 108, 255, 0.08) 190deg, transparent 280deg),
    radial-gradient(circle at center, transparent 0 28%, rgba(65, 243, 255, 0.05) 29% 29.4%, transparent 30% 100%);
  opacity: 0.82;
  animation: downloadSky 18s linear infinite;
}

.download-hero {
  min-height: calc(100vh - var(--header-h));
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(410px, 0.88fr);
  align-items: center;
  gap: 46px;
  padding: 76px 0 92px;
  perspective: 1400px;
}

.download-hero h1 {
  max-width: 860px;
}

.download-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.download-flags span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 13px;
  border: 1px solid rgba(143, 247, 255, 0.2);
  border-radius: 999px;
  color: rgba(237, 250, 255, 0.82);
  background: rgba(255, 255, 255, 0.045);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07);
  font-size: 0.82rem;
  font-weight: 800;
}

.download-hero-visual {
  min-height: 660px;
  display: grid;
  place-items: center;
  transform-style: preserve-3d;
}

.download-reactor {
  position: relative;
  width: min(100%, 580px);
  aspect-ratio: 1;
  transform-style: preserve-3d;
  transform: perspective(1200px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform 160ms ease-out;
}

.download-reactor::before {
  content: '';
  position: absolute;
  inset: 9%;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(65, 243, 255, 0.24), rgba(184, 108, 255, 0.09) 43%, transparent 68%),
    linear-gradient(90deg, transparent, rgba(65, 243, 255, 0.16), transparent);
  filter: blur(2px);
  box-shadow: inset 0 0 80px rgba(65, 243, 255, 0.14), 0 0 120px rgba(65, 243, 255, 0.18);
  animation: reactorBreath 3.8s ease-in-out infinite;
}

.download-reactor::after {
  content: '';
  position: absolute;
  inset: 28%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(120, 255, 183, 0.2), transparent 70%);
  filter: blur(28px);
  transform: translateZ(-80px);
}

.reactor-ring {
  position: absolute;
  inset: 5%;
  border-radius: 50%;
  border: 1px solid rgba(143, 247, 255, 0.28);
  box-shadow: inset 0 0 46px rgba(65, 243, 255, 0.08), 0 0 60px rgba(65, 243, 255, 0.1);
  transform-style: preserve-3d;
}

.reactor-ring-a {
  transform: rotateX(66deg) rotateZ(8deg) translateZ(14px);
  animation: spinReactor 12s linear infinite;
}

.reactor-ring-b {
  inset: 15%;
  border-color: rgba(184, 108, 255, 0.36);
  transform: rotateX(66deg) rotateZ(66deg) translateZ(48px);
  animation: spinReactorReverse 9s linear infinite;
}

.reactor-ring-c {
  inset: 25%;
  border-color: rgba(255, 155, 84, 0.28);
  transform: rotateX(70deg) rotateZ(-28deg) translateZ(88px);
  animation: spinReactor 7.5s linear infinite;
}

.reactor-core {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 4;
  display: grid;
  place-items: center;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(143, 247, 255, 0.34);
  border-radius: 50%;
  background:
    radial-gradient(circle at 40% 28%, rgba(255, 255, 255, 0.28), transparent 18%),
    radial-gradient(circle, rgba(65, 243, 255, 0.22), rgba(5, 20, 32, 0.86) 66%);
  box-shadow: var(--shadow-cyan), inset 0 0 70px rgba(65, 243, 255, 0.16), inset 0 -18px 40px rgba(0, 0, 0, 0.36);
  transform: translate(-50%, -50%) translateZ(130px);
}

.reactor-core span,
.reactor-core small,
.reactor-status span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.reactor-core strong {
  color: #fff;
  font-size: 2.05rem;
  font-weight: 950;
  letter-spacing: -0.06em;
  text-shadow: var(--shadow-cyan);
}

.platform-orbit,
.reactor-status {
  position: absolute;
  z-index: 6;
  display: grid;
  place-items: center;
  border: 1px solid rgba(143, 247, 255, 0.24);
  background: rgba(3, 12, 20, 0.72);
  backdrop-filter: blur(16px);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transform-style: preserve-3d;
}

.platform-orbit {
  width: 86px;
  height: 86px;
  border-radius: 28px;
  color: #fff;
  font-weight: 950;
  text-shadow: var(--shadow-cyan);
  animation: platformFloat 5.5s ease-in-out infinite;
}

.platform-win {
  left: 2%;
  top: 22%;
  transform: translateZ(180px);
}

.platform-mac {
  right: 7%;
  top: 14%;
  transform: translateZ(210px);
  animation-delay: -1.6s;
}

.platform-linux {
  right: 6%;
  bottom: 20%;
  transform: translateZ(180px);
  animation-delay: -3.1s;
}

.reactor-status {
  left: 7%;
  bottom: 14%;
  min-width: 176px;
  padding: 16px 18px;
  border-radius: 22px;
  transform: translateZ(190px);
}

.reactor-status strong {
  color: var(--green);
  font-size: 1.15rem;
  letter-spacing: 0.14em;
  text-shadow: 0 0 20px rgba(120, 255, 183, 0.38);
}

.download-builds,
.reward-section,
.source-section {
  padding: 102px 0;
}

.build-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  align-items: stretch;
  perspective: 1200px;
}

.download-card {
  position: relative;
  min-height: 520px;
  display: flex;
  flex-direction: column;
  padding: 26px;
  border: 1px solid rgba(143, 247, 255, 0.18);
  border-radius: 32px;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 12%, rgba(65, 243, 255, 0.14), transparent 30%),
    linear-gradient(180deg, rgba(10, 39, 58, 0.72), rgba(5, 14, 24, 0.74));
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  transform: perspective(1000px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform 160ms ease-out, border-color 220ms ease, box-shadow 220ms ease;
}

.download-card:hover,
.download-card.is-recommended {
  border-color: rgba(143, 247, 255, 0.52);
  box-shadow: 0 40px 120px rgba(65, 243, 255, 0.13), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.download-card.is-recommended::after {
  content: 'Recommandé pour cette machine';
  position: absolute;
  right: 20px;
  top: 20px;
  z-index: 4;
  padding: 8px 12px;
  border: 1px solid rgba(120, 255, 183, 0.36);
  border-radius: 999px;
  color: #06131d;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  box-shadow: 0 0 24px rgba(120, 255, 183, 0.32);
  font-size: 0.7rem;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-glow {
  position: absolute;
  inset: -25% -20% auto;
  height: 58%;
  opacity: 0.8;
  background: radial-gradient(circle, rgba(65, 243, 255, 0.18), transparent 64%);
  filter: blur(20px);
  pointer-events: none;
}

.platform-macos .card-glow {
  background: radial-gradient(circle, rgba(184, 108, 255, 0.2), transparent 64%);
}

.platform-linux .card-glow {
  background: radial-gradient(circle, rgba(120, 255, 183, 0.16), transparent 64%);
}

.platform-badge {
  align-self: flex-start;
  padding: 8px 12px;
  border: 1px solid rgba(143, 247, 255, 0.2);
  border-radius: 999px;
  color: var(--cyan-soft);
  background: rgba(255, 255, 255, 0.045);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.platform-symbol {
  display: grid;
  place-items: center;
  width: 126px;
  height: 126px;
  margin: 30px auto 26px;
  border: 1px solid rgba(143, 247, 255, 0.24);
  border-radius: 36px;
  color: #fff;
  font-size: 3.8rem;
  font-weight: 950;
  background: radial-gradient(circle at 35% 24%, rgba(255, 255, 255, 0.24), transparent 20%), rgba(65, 243, 255, 0.09);
  box-shadow: inset 0 0 52px rgba(65, 243, 255, 0.09), 0 0 52px rgba(65, 243, 255, 0.14);
  transform: translateZ(60px);
}

.platform-macos .platform-symbol {
  box-shadow: inset 0 0 52px rgba(184, 108, 255, 0.12), 0 0 52px rgba(184, 108, 255, 0.16);
}

.platform-linux .platform-symbol {
  box-shadow: inset 0 0 52px rgba(120, 255, 183, 0.1), 0 0 52px rgba(120, 255, 183, 0.14);
}

.download-card h3 {
  margin-bottom: 12px;
  color: #fff;
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  letter-spacing: -0.04em;
}

.download-card p,
.download-card li,
.release-note {
  color: var(--muted);
  line-height: 1.64;
}

.download-card ul {
  display: grid;
  gap: 8px;
  margin: 20px 0 26px;
  padding: 0;
  list-style: none;
}

.download-card li {
  position: relative;
  padding-left: 22px;
}

.download-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: var(--shadow-cyan);
}

.download-card .download-button {
  width: 100%;
  margin-top: auto;
}

.release-note {
  max-width: 820px;
  margin: 28px auto 0;
  padding: 16px 18px;
  border: 1px solid rgba(143, 247, 255, 0.16);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
  text-align: center;
}

.reward-panel,
.source-card {
  position: relative;
  border: 1px solid rgba(143, 247, 255, 0.18);
  border-radius: 38px;
  overflow: hidden;
  background:
    radial-gradient(circle at 85% 12%, rgba(255, 155, 84, 0.12), transparent 30%),
    linear-gradient(180deg, rgba(10, 39, 58, 0.72), rgba(5, 14, 24, 0.66));
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
}

.reward-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(360px, 0.82fr);
  gap: 32px;
  align-items: center;
  padding: 34px;
  transform: perspective(1200px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform 160ms ease-out, border-color 220ms ease;
}

.reward-panel:hover,
.source-card:hover {
  border-color: rgba(143, 247, 255, 0.44);
}

.reward-copy h2,
.source-card h2 {
  margin-bottom: 18px;
  color: #fff;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
  font-weight: 950;
}

.reward-copy p,
.source-card p {
  color: #bfd2da;
  font-size: 1.06rem;
  line-height: 1.72;
}

.reward-terminal {
  min-height: 360px;
  border: 1px solid rgba(143, 247, 255, 0.18);
  border-radius: 26px;
  overflow: hidden;
  background: rgba(1, 8, 14, 0.76);
  box-shadow: inset 0 0 60px rgba(65, 243, 255, 0.05);
}

.terminal-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px;
  border-bottom: 1px solid rgba(143, 247, 255, 0.13);
  background: rgba(255, 255, 255, 0.035);
}

.terminal-top span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 14px currentColor;
}

.terminal-top span:nth-child(2) {
  background: var(--green);
}

.terminal-top span:nth-child(3) {
  background: var(--orange);
}

.terminal-top strong {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.reward-terminal pre {
  margin: 0;
  padding: 22px;
  color: var(--green);
  white-space: pre-wrap;
  line-height: 1.72;
  font: 800 0.95rem/1.72 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  text-shadow: 0 0 18px rgba(120, 255, 183, 0.28);
}

.source-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: 34px;
}

.source-actions {
  display: grid;
  gap: 12px;
  min-width: 240px;
}

.download-ceremony {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at center, rgba(65, 243, 255, 0.18), transparent 34%),
    rgba(1, 5, 10, 0.82);
  backdrop-filter: blur(18px) saturate(135%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 260ms ease;
}

.download-ceremony.is-open {
  opacity: 1;
  pointer-events: auto;
}

.download-ceremony[hidden] {
  display: none;
}

#confettiCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.ceremony-panel {
  position: relative;
  z-index: 2;
  width: min(640px, 100%);
  padding: 34px;
  border: 1px solid rgba(143, 247, 255, 0.32);
  border-radius: 38px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(65, 243, 255, 0.2), transparent 38%),
    linear-gradient(180deg, rgba(10, 39, 58, 0.9), rgba(5, 14, 24, 0.9));
  box-shadow: 0 40px 140px rgba(0, 0, 0, 0.52), var(--shadow-cyan), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transform: scale(0.94) translateY(12px);
  transition: transform 260ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.download-ceremony.is-open .ceremony-panel {
  transform: scale(1) translateY(0);
}

.ceremony-close {
  position: absolute;
  right: 16px;
  top: 16px;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(143, 247, 255, 0.2);
  border-radius: 50%;
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
}

.ceremony-core {
  position: relative;
  display: grid;
  place-items: center;
  width: 148px;
  height: 148px;
  margin: 0 auto 24px;
  border-radius: 50%;
  color: #06131d;
  background: radial-gradient(circle at 35% 30%, #fff, var(--cyan) 38%, var(--green));
  box-shadow: var(--shadow-cyan), 0 0 80px rgba(120, 255, 183, 0.28);
}

.ceremony-core strong {
  position: relative;
  z-index: 2;
  font-size: 1.36rem;
  letter-spacing: 0.12em;
}

.ceremony-ring {
  position: absolute;
  inset: -16px;
  border: 1px solid rgba(143, 247, 255, 0.38);
  border-radius: 50%;
  animation: spinReactor 2.2s linear infinite;
}

.ceremony-ring::before,
.ceremony-ring::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 22px rgba(255, 155, 84, 0.52);
}

.ceremony-ring::before {
  left: 9%;
  top: 14%;
}

.ceremony-ring::after {
  right: 8%;
  bottom: 14%;
  background: var(--violet);
  box-shadow: var(--shadow-violet);
}

.ceremony-kicker {
  color: var(--cyan-soft);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.ceremony-panel h2 {
  margin: 8px 0 10px;
  color: #fff;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
}

.ceremony-panel p {
  color: #bfd2da;
  line-height: 1.6;
}

.ceremony-panel small {
  display: block;
  margin-top: 14px;
  color: var(--muted);
}

.ceremony-progress {
  height: 14px;
  margin-top: 22px;
  border: 1px solid rgba(143, 247, 255, 0.2);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.05);
}

.ceremony-progress span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cyan), var(--green), var(--violet));
  box-shadow: var(--shadow-cyan);
}

.download-ceremony.is-open .ceremony-progress span {
  animation: progressCharge 1.45s ease-out forwards;
}

@keyframes downloadSky {
  from { transform: rotate(0deg) scale(1); }
  to { transform: rotate(360deg) scale(1); }
}

@keyframes reactorBreath {
  0%, 100% { opacity: 0.78; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.04); }
}

@keyframes spinReactor {
  from { rotate: 0deg; }
  to { rotate: 360deg; }
}

@keyframes spinReactorReverse {
  from { rotate: 360deg; }
  to { rotate: 0deg; }
}

@keyframes platformFloat {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -18px; }
}

@keyframes progressCharge {
  from { width: 0%; }
  55% { width: 72%; }
  to { width: 100%; }
}

@media (max-width: 1060px) {
  .download-hero {
    grid-template-columns: 1fr;
  }

  .download-hero-visual {
    min-height: 540px;
    order: -1;
  }

  .build-grid {
    grid-template-columns: 1fr;
  }

  .download-card {
    min-height: auto;
  }

  .reward-panel,
  .source-card {
    grid-template-columns: 1fr;
  }

  .source-actions {
    min-width: 0;
  }
}

@media (max-width: 760px) {
  .download-hero {
    padding: 42px 0 72px;
  }

  .download-hero-visual {
    min-height: 420px;
  }

  .download-reactor {
    width: min(100%, 420px);
  }

  .reactor-core {
    width: 170px;
    height: 170px;
  }

  .platform-orbit,
  .reactor-status {
    display: none;
  }

  .download-builds,
  .reward-section,
  .source-section {
    padding: 72px 0;
  }

  .reward-panel,
  .source-card,
  .ceremony-panel {
    padding: 24px;
    border-radius: 28px;
  }

  .reward-terminal {
    min-height: 280px;
  }
}

@media (max-width: 480px) {
  .download-flags span {
    width: 100%;
    justify-content: center;
  }

  .download-card {
    padding: 22px;
  }

  .download-card.is-recommended::after {
    position: static;
    display: inline-flex;
    margin: 14px 0 0;
  }

  .platform-symbol {
    width: 104px;
    height: 104px;
    font-size: 3rem;
  }

  .ceremony-core {
    width: 118px;
    height: 118px;
  }
}