:root {
  color-scheme: light dark;
  --bg: #fff;
  --panel: rgb(255 255 255 / 84%);
  --chrome: rgb(248 250 243 / 80%);
  --text: #20241f;
  --muted: #5d635b;
  --accent: #315f43;
  --accent-strong: #244b34;
  --border: #d3ddd1;
  --note: rgb(240 246 235 / 82%);
  --shadow: 0 1rem 2.8rem rgb(23 32 24 / 16%);
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  -webkit-text-size-adjust: 100%;
  background: #e8ebe4;
}

body {
  min-width: 0;
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background: transparent;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: url("images/marble-light.jpg") 50% 50% / cover no-repeat;
  pointer-events: none;
}

header,
footer {
  background: var(--chrome);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

header { border-bottom: 1px solid var(--border); }
footer { border-top: 1px solid var(--border); }

.header-inner,
.footer-inner {
  width: min(68rem, calc(100% - 2.5rem));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: .75rem 1.5rem;
  padding: .7rem 0;
}

.site-name {
  margin-right: auto;
  color: var(--accent);
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.15;
  text-decoration: none;
}

.site-name span {
  display: block;
  margin-top: .2rem;
  color: var(--muted);
  font-size: .85rem;
  font-weight: 500;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem;
}

nav a {
  padding: .42rem .7rem;
  border-radius: .45rem;
  color: var(--text);
  font-weight: 650;
  text-decoration: none;
}

nav a:hover { background: var(--border); }

nav a[aria-current="page"] {
  color: #fff;
  background: var(--accent);
}

main {
  width: min(68rem, calc(100% - 2.5rem));
  min-height: 55vh;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4rem);
  background: var(--panel);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(18rem, 1.08fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
}

.title-row {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 1.5rem;
}

.app-icon {
  width: clamp(5.5rem, 12vw, 8rem);
  height: auto;
  border: 1px solid var(--border);
  border-radius: 22%;
  box-shadow: 0 .6rem 1.5rem rgb(25 35 26 / 18%);
}

.version {
  margin: 0 0 .25rem;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1,
h2 {
  overflow-wrap: break-word;
  text-wrap: balance;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 3.8rem);
  font-weight: 850;
  letter-spacing: -.035em;
  line-height: 1.03;
}

h2 {
  margin: 2.8rem 0 .8rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--border);
  font-size: clamp(1.4rem, 2.5vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.2;
}

p {
  margin: 0 0 1rem;
  overflow-wrap: break-word;
}

.note {
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: .75rem;
  background: var(--note);
  color: var(--muted);
}

.app-window {
  display: block;
  min-width: 0;
}

.app-window img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 1.2rem 1.7rem rgb(0 0 0 / 25%));
}

a { color: var(--accent-strong); }
a:hover { color: var(--accent); }

.privacy-page { max-width: 68rem; }

.footer-inner {
  padding: 1.5rem 0 2rem;
  color: var(--muted);
  font-size: .95rem;
}

.footer-inner p { margin-bottom: .45rem; }

@media (max-width: 760px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  nav { width: 100%; }

  nav a { padding: .48rem .65rem; }

  main { padding: 1.6rem 1.25rem 2.8rem; }

  .hero {
    grid-template-columns: 1fr;
    gap: 1.7rem;
  }

  .hero-copy { order: 1; }
  .app-window { order: 2; }
  .app-window img { width: min(100%, 34rem); margin: 0 auto; }
}

@media (max-width: 430px) {
  .header-inner,
  .footer-inner,
  main { width: min(100% - 1.25rem, 68rem); }

  .title-row { align-items: flex-start; gap: .85rem; }
  .app-icon { width: 4.8rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0e0c;
    --panel: rgb(7 9 8 / 75%);
    --chrome: rgb(8 10 9 / 70%);
    --text: #eceee9;
    --muted: #b5bbb2;
    --accent: #a7cf9f;
    --accent-strong: #b9ddb2;
    --border: #394239;
    --note: rgb(30 39 31 / 78%);
  }

  html { background: #000; }
  body::before { background-image: url("images/marble-dark.jpg"); }
}