:root {
  --black: #000000;
  --ink: #121418;
  --muted: #6f737b;
  --paper: #f2f5f8;
  --card: #ffffff;
  --line: #d9e2ea;
  --blue: #00aeef;
  --orange: #ff9f1c;
  --shadow: 0 24px 80px rgba(18, 20, 24, 0.12);
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  font-family: Roboto, Arial, sans-serif;
  background:
    radial-gradient(circle at 15% 15%, rgba(0, 174, 239, 0.16), transparent 32rem),
    radial-gradient(circle at 85% 10%, rgba(255, 159, 28, 0.18), transparent 28rem),
    linear-gradient(135deg, #f7fafc, var(--paper));
  min-height: 100vh;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  align-items: center;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(128, 130, 133, 0.2);
  display: flex;
  justify-content: space-between;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 44px);
  backdrop-filter: blur(14px);
}

.brand-mark {
  display: inline-flex;
  width: min(220px, 56vw);
}

.project-label {
  color: #2f3032;
  font-size: 0.88rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-shell {
  flex: 1;
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
  padding: 56px 0;
}

.hero {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  overflow: hidden;
  padding: clamp(32px, 7vw, 76px);
  position: relative;
}

.hero-brand {
  align-items: center;
  display: inline-flex;
  gap: 12px;
  margin-bottom: 14px;
}

.hero-brand img {
  width: 52px;
}

.hero::after {
  background: linear-gradient(90deg, var(--blue), var(--orange));
  bottom: 0;
  content: "";
  height: 8px;
  left: 0;
  position: absolute;
  right: 0;
}

.eyebrow {
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  margin: 0;
  text-transform: uppercase;
}

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

h1 {
  font-size: clamp(3rem, 12vw, 7.5rem);
  letter-spacing: -0.07em;
  line-height: 0.86;
  margin-bottom: 28px;
  max-width: 780px;
}

h2 {
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

.lede {
  color: var(--muted);
  font-size: clamp(1.12rem, 2vw, 1.42rem);
  line-height: 1.55;
  max-width: 740px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 32px 0 18px;
}

.button {
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.95rem;
  font-weight: 900;
  justify-content: center;
  padding: 14px 22px;
  text-decoration: none;
}

.button.primary {
  background: var(--ink);
  color: white;
}

.button.secondary {
  border: 2px solid var(--ink);
  color: var(--ink);
}

.release-note {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}

.panel-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 24px 0;
}

.panel,
.downloads {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 12px 48px rgba(18, 20, 24, 0.07);
  padding: 24px;
}

.panel p,
.downloads p,
li,
.package-list span {
  color: var(--muted);
  line-height: 1.55;
}

ul {
  margin: 0;
  padding-left: 20px;
}

.downloads {
  margin-top: 24px;
}

.package-list {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  margin-top: 20px;
}

.package-list div {
  background: #f7fafc;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}

.package-list strong,
.package-list span {
  display: block;
}

code {
  background: #e9f0f6;
  border-radius: 7px;
  color: var(--ink);
  padding: 2px 6px;
}

.site-footer {
  align-items: center;
  background: rgba(255, 255, 255, 0.9);
  border-top: 1px solid rgba(128, 130, 133, 0.2);
  color: #4d5256;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding: 30px clamp(18px, 4vw, 44px);
}

.site-footer img {
  width: 170px;
}

.site-footer p {
  margin: 8px 0 0;
  max-width: 560px;
}

.site-footer > p {
  margin: 0;
  text-align: right;
}

@media (max-width: 780px) {
  .page-shell {
    width: min(100% - 24px, var(--max-width));
    padding: 24px 0;
  }

  .panel-grid,
  .package-list {
    grid-template-columns: 1fr;
  }

  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer > p {
    text-align: left;
  }
}

@media (max-width: 520px) {
  .project-label {
    display: none;
  }
}
