:root {
  --bg: #05070c;
  --panel: rgba(13, 19, 31, 0.82);
  --text: #edf6ff;
  --muted: #9cadc6;
  --line: rgba(255,255,255,0.12);
  --cyan: #5be7ff;
  --green: #6ff1c8;
  --amber: #ffcf6d;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 0%, rgba(91,231,255,0.2), transparent 28%),
    radial-gradient(circle at 84% 16%, rgba(111,241,200,0.14), transparent 24%),
    var(--bg);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
  z-index: 20;
}

.product-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 24px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  background: rgba(5,7,12,0.62);
  backdrop-filter: blur(18px);
}

.brand-link,
.product-header a {
  color: var(--text);
  text-decoration: none;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  font-size: 28px;
  font-weight: 850;
}

.brand-link img {
  width: 82px;
  height: 82px;
  object-fit: contain;
  filter: drop-shadow(0 0 16px rgba(91,231,255,0.2));
}

.product-header nav {
  display: flex;
  gap: 32px;
}

.product-header nav a {
  color: var(--muted);
  font-size: 18px;
  font-weight: 800;
}

.lang-toggle {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  color: var(--text);
  cursor: pointer;
}

.lang-toggle span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
}

.lang-toggle .active {
  color: #051016;
  background: var(--cyan);
}

.hero {
  min-height: 90svh;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  align-items: center;
  gap: clamp(28px, 5vw, 74px);
  padding: 136px clamp(20px, 5vw, 72px) 78px;
}

.hero-media {
  order: 2;
  border: 1px solid rgba(91,231,255,0.22);
  border-radius: 28px;
  background: rgba(255,255,255,0.04);
  box-shadow: 0 36px 90px rgba(0,0,0,0.34);
  overflow: hidden;
}

.hero-media img {
  display: block;
  width: 100%;
  min-height: 330px;
  object-fit: cover;
}

.hero-copy {
  max-width: 760px;
}

.product-mark {
  width: 92px;
  height: 92px;
  object-fit: contain;
  margin-bottom: 26px;
  filter: drop-shadow(0 0 32px rgba(91,231,255,0.3));
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(56px, 10vw, 126px);
  line-height: 0.86;
}

.lead {
  max-width: 680px;
  color: rgba(237,246,255,0.82);
  font-size: clamp(19px, 2.1vw, 28px);
  line-height: 1.45;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  color: #041115;
  background: var(--cyan);
  box-shadow: 0 0 36px rgba(91,231,255,0.22);
}

.button.secondary {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255,255,255,0.045);
}

.button.disabled {
  color: rgba(237,246,255,0.46);
  background: rgba(255,255,255,0.055);
  cursor: not-allowed;
}

.detail-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 0 clamp(20px, 5vw, 72px) 18px;
  padding: 22px 24px;
  border: 1px solid rgba(255,207,109,0.32);
  border-radius: 22px;
  background:
    radial-gradient(circle at right, rgba(255,207,109,0.16), transparent 34%),
    rgba(15,22,34,0.82);
}

.detail-callout p {
  max-width: 820px;
  margin: 0;
  color: rgba(237,246,255,0.86);
}

.detail-callout a {
  flex: 0 0 auto;
  color: #160f04;
  background: var(--amber);
  border-radius: 999px;
  padding: 11px 16px;
  font-size: 13px;
  font-weight: 900;
  text-decoration: none;
}

.section {
  padding: 90px clamp(20px, 5vw, 72px);
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.info-card,
.download-card {
  border: 1px solid var(--line);
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.026)),
    rgba(13,19,31,0.82);
  overflow: hidden;
}

.info-card {
  padding: 24px;
}

.card-head {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.card-head img {
  width: 62px;
  height: 62px;
  object-fit: contain;
}

.card-head h2 {
  margin-bottom: 14px;
  font-size: clamp(25px, 3vw, 42px);
  line-height: 1;
}

.info-card p:not(.eyebrow) {
  color: rgba(237,246,255,0.72);
  line-height: 1.7;
}

.info-card figure {
  margin: 28px 0 0;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
}

.info-card figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.section-title {
  max-width: 850px;
  margin-bottom: 24px;
}

.section-title h2 {
  font-size: clamp(28px, 4vw, 56px);
  line-height: 1;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.download-card {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: 18px;
  padding: 24px;
}

.download-card > img {
  width: 80px;
  height: 80px;
  object-fit: contain;
}

.download-card small {
  color: var(--green);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.download-card h3 {
  margin: 6px 0 8px;
  font-size: 24px;
}

.download-card p {
  color: rgba(237,246,255,0.7);
  line-height: 1.6;
}

.download-card > span {
  grid-column: 1 / -1;
  color: rgba(237,246,255,0.52);
  font-size: 12px;
}

.download-card.muted {
  opacity: 0.78;
}

.site-footer {
  display: grid;
  justify-items: center;
  gap: 18px;
  padding: 28px 24px 36px;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: rgba(237,246,255,0.54);
  text-align: center;
  font-size: 12px;
}

.site-footer p {
  margin: 0;
}

.home-button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid rgba(91,231,255,0.4);
  border-radius: 999px;
  color: #051016;
  background: var(--cyan);
  box-shadow: 0 0 34px rgba(91,231,255,0.2);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 880px) {
  .product-header nav {
    display: none;
  }

  .hero,
  .two-col,
  .download-grid {
    grid-template-columns: 1fr;
  }

  .hero-media {
    order: 0;
  }

  .detail-callout {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .product-header {
    padding: 14px 16px;
  }

  .brand-link img {
    width: 64px;
    height: 64px;
  }

  .brand-link {
    font-size: 22px;
  }

  .hero,
  .section {
    padding-left: 16px;
    padding-right: 16px;
  }

  .detail-callout {
    margin-left: 16px;
    margin-right: 16px;
  }

  .actions,
  .button {
    width: 100%;
  }

  .download-card {
    grid-template-columns: 1fr;
  }
}