:root {
  --ink: #050609;
  --black: #101114;
  --panel: #181a1e;
  --steel: #c8c9c7;
  --white: #f7f7f2;
  --blue: #214d76;
  --blue-deep: #0d273f;
  --amber: #e1a23a;
  --green: #69c06b;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--white);
  font-family: Avenir, "Avenir Next", "Segoe UI", system-ui, sans-serif;
  background:
    linear-gradient(90deg, rgba(5, 6, 9, 0.92), rgba(5, 6, 9, 0.58) 46%, rgba(5, 6, 9, 0.8)),
    linear-gradient(rgba(5, 6, 9, 0.26), rgba(5, 6, 9, 0.9)),
    #050609 url("assets/a6-synth-background.jpg") center 42% / cover fixed;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    radial-gradient(circle at 72% 34%, rgba(33, 77, 118, 0.24), transparent 28rem),
    linear-gradient(180deg, rgba(5, 6, 9, 0), rgba(5, 6, 9, 0.72));
}

a {
  color: inherit;
}

img,
svg {
  display: block;
}

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 5;
  padding: 0.7rem 1rem;
  color: var(--ink);
  background: var(--white);
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
  padding: 0.75rem max(1.25rem, calc((100% - 1180px) / 2));
  color: rgba(247, 247, 242, 0.88);
  background: rgba(7, 8, 10, 0.86);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(18px);
}

.site-brand,
.site-nav a {
  text-decoration: none;
}

.site-brand {
  font-weight: 800;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-nav a {
  padding: 0.55rem 0.8rem;
  color: rgba(247, 247, 242, 0.72);
  border: 1px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.22);
  outline: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(22rem, 1.1fr);
  align-items: center;
  gap: 3.5rem;
  min-height: calc(84vh - 4.25rem);
  padding: 3.5rem max(1.25rem, calc((100% - 1180px) / 2)) 2.4rem;
  overflow: hidden;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 38rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 1rem;
  font-size: 4.85rem;
  line-height: 0.92;
  letter-spacing: 0;
  text-shadow: 0 8px 26px rgba(0, 0, 0, 0.35);
}

.lede {
  margin-bottom: 1.55rem;
  color: rgba(247, 247, 242, 0.84);
  font-size: 1.24rem;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
  margin-bottom: 1rem;
}

.a6-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  width: clamp(12.6rem, 16vw, 14rem);
  aspect-ratio: 2.8 / 1;
  padding: 0 1.3rem;
  overflow: hidden;
  font-weight: 900;
  font-size: 0.95rem;
  line-height: 1.05;
  text-align: center;
  text-decoration: none;
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  filter: drop-shadow(0 12px 16px rgba(0, 0, 0, 0.34));
}

.a6-button:hover,
.a6-button:focus-visible {
  outline: none;
  transform: translateY(1px);
}

.a6-button-dark {
  color: var(--white);
  background-image: url("assets/button-large-black.png");
}

.a6-button-dark:hover,
.a6-button-dark:focus-visible {
  background-image: url("assets/button-large-black-depressed.png");
}

.a6-button-light {
  color: var(--ink);
  background-image: url("assets/button-large-grey.png");
  filter: drop-shadow(0 10px 12px rgba(0, 0, 0, 0.25));
}

.a6-button-light:hover,
.a6-button-light:focus-visible {
  background-image: url("assets/button-large-grey-depressed.png");
}

.a6-button svg {
  width: 1rem;
  height: 1rem;
  flex: 0 0 auto;
}

.a6-button svg path {
  fill: none;
  stroke: currentColor;
  stroke-width: 2.25;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.beta-note {
  margin: 0;
  color: rgba(247, 247, 242, 0.62);
  font-size: 0.95rem;
}

.hero-visual {
  position: relative;
  display: grid;
  min-height: 29rem;
  place-items: center;
}

.app-logo {
  position: relative;
  z-index: 2;
  width: min(100%, 28rem);
  height: auto;
  filter: drop-shadow(0 24px 46px rgba(0, 0, 0, 0.58));
}

.beta-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: center;
  gap: 0;
  padding: 1.1rem max(1.25rem, calc((100% - 1180px) / 2));
  color: rgba(247, 247, 242, 0.78);
  background: rgba(8, 10, 13, 0.88);
  border-block: 1px solid rgba(255, 255, 255, 0.12);
}

.beta-band > * {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 2.25rem;
  padding: 0 1rem;
  text-align: center;
}

.beta-band > * + * {
  border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.beta-band div {
  gap: 0.65rem;
  color: var(--white);
}

.beta-band p {
  margin: 0;
}

.status-light {
  width: 0.65rem;
  height: 0.65rem;
  flex: 0 0 auto;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 18px rgba(105, 192, 107, 0.9);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(1180px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 2rem 0 2.5rem;
  color: rgba(247, 247, 242, 0.62);
}

.site-footer a {
  text-decoration-color: rgba(247, 247, 242, 0.38);
  text-underline-offset: 0.25rem;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 3rem;
  }

  .hero-copy {
    max-width: 44rem;
  }

  h1 {
    font-size: 3.5rem;
  }

  .hero-visual {
    min-height: 23rem;
  }

  .app-logo {
    width: min(100%, 23rem);
  }

  .beta-band {
    grid-template-columns: 1fr 1fr;
  }

  .beta-band > * {
    border-left: 0;
  }

  .beta-band > *:nth-child(even) {
    border-left: 1px solid rgba(255, 255, 255, 0.18);
  }

  .beta-band > *:nth-child(n + 3) {
    border-top: 1px solid rgba(255, 255, 255, 0.14);
  }
}

@media (max-width: 640px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.1rem;
  }

  .hero {
    gap: 0.75rem;
    padding-top: 2.25rem;
    padding-bottom: 1.25rem;
  }

  h1 {
    font-size: 3rem;
  }

  .lede {
    font-size: 1.08rem;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.55rem;
  }

  .a6-button {
    width: min(100%, 13.6rem);
    padding: 0 1.15rem;
  }

  .hero-visual {
    min-height: 7.5rem;
  }

  .app-logo {
    width: min(100%, 10.75rem);
  }

  .beta-band {
    grid-template-columns: 1fr;
  }

  .beta-band > * {
    min-height: 1.9rem;
    border-left: 0;
  }

  .beta-band > * + * {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
  }
}