:root {
  --bg: #0b0b0c;
  --surface: rgba(15, 15, 18, 0.72);
  --text: #f5f5f7;
  --muted: rgba(245, 245, 247, 0.72);
  --border: rgba(245, 245, 247, 0.12);
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --radius: 14px;
  --nav-h: 64px;
  --edge-pad: 16px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Arial,
    "Noto Sans",
    "Apple Color Emoji",
    "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 800px at 50% -10%, rgba(255, 255, 255, 0.08), transparent 60%),
    radial-gradient(900px 700px at 20% 30%, rgba(255, 255, 255, 0.06), transparent 55%),
    var(--bg);
}

a {
  color: inherit;
}

.page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.container {
  width: min(1280px, calc(100% - 24px));
  margin-inline: auto;
}

.nav-inner--full,
.footer-inner--full {
  width: 100%;
  padding-inline: var(--edge-pad);
}

.skip-link {
  position: absolute;
  left: var(--edge-pad);
  top: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: #ffffff;
  color: #0b0b0c;
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform 140ms ease;
  z-index: 9999;
}

.skip-link:focus {
  transform: translateY(0);
  outline: none;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  border-radius: 12px;
  padding: 6px 8px;
}

.brand:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.75);
  outline-offset: 2px;
}

.brand-logo {
  display: block;
  width: 24px;
  height: 24px;
}

.brand-name {
  font-weight: 650;
  letter-spacing: 0.2px;
}

.hero {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 48px 0 56px;
}

.hero-inner {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 14px;
  padding-top: calc(var(--nav-h) * 0.25);
}

.hero-logo {
  width: clamp(240px, 52.5vw, 360px);
  height: auto;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.55));
}

.hero-title {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  margin: 0;
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  color: var(--muted);
}

.site-footer {
  padding: 14px 0 18px;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.08);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--muted);
  letter-spacing: 0.2px;
}

.social {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.social-link {
  width: 36px;
  height: 36px;
  display: inline-grid;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 12px;
  color: rgba(245, 245, 247, 0.85);
  background: rgba(255, 255, 255, 0.03);
  transition:
    transform 140ms ease,
    background 140ms ease,
    border-color 140ms ease,
    color 140ms ease;
}

.social-link svg {
  width: 18px;
  height: 18px;
  display: block;
}

.social-link:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 247, 0.16);
  color: #ffffff;
}

.social-link:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.75);
  outline-offset: 2px;
}

@media (max-width: 640px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .social-link {
    transition: none;
  }

  .skip-link {
    transition: none;
  }
}