:root {
  color-scheme: dark;
  --ink: #f8f5ee;
  --muted: #c7c5d5;
  --page: #10121e;
  --panel: #181b2b;
  --line: #34394f;
  --amber: #ffc36b;
  --cyan: #7ee6eb;
  font: 16px/1.55 system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--page); }
a { color: var(--cyan); text-underline-offset: .22em; }
a:focus-visible { outline: 3px solid var(--cyan); outline-offset: 5px; }
h1, h2, h3, p, figure { margin: 0; }
img { display: block; max-width: 100%; height: auto; }
.wrap { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
.skip { position: absolute; z-index: 9; top: 8px; left: 8px; padding: 8px 14px; background: var(--page); transform: translateY(-200%); }
.skip:focus { transform: none; }
.top { background: #121421; border-bottom: 1px solid var(--line); }
.top-row, .footer-row, .help-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.top-row { min-height: 68px; }
.brand { display: flex; gap: 11px; align-items: center; color: var(--ink); text-decoration: none; font-weight: 850; white-space: nowrap; }
.brand img { border-radius: 8px; }
nav { display: flex; flex-wrap: wrap; gap: 10px 26px; }
nav a { color: var(--muted); text-decoration: none; font-size: .9rem; }
nav a:hover { color: var(--ink); text-decoration: underline; }
.hero { position: relative; isolation: isolate; min-height: 650px; display: grid; align-items: center; background: #14182b; }
.hero-art { position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, #0c0f1df7 0%, #0c0f1de8 22%, #0c0f1d70 46%, #0c0f1d00 70%), linear-gradient(0deg, #10121e 0%, transparent 22%), url(assets/atomo-cover.jpg) center 42% / cover; }
.hero-content { padding-block: 54px 66px; }
.eyebrow, .tag, .status, .band { font-family: ui-monospace, monospace; }
.eyebrow { color: var(--cyan); font-size: .78rem; font-weight: 750; letter-spacing: .09em; text-transform: uppercase; display: flex; align-items: center; gap: 9px; }
.eyebrow span { width: 8px; height: 8px; flex: 0 0 8px; background: var(--cyan); transform: rotate(45deg); }
.hero h1 { margin: 14px 0 20px; max-width: 540px; font-size: clamp(5.6rem, 10vw, 9.5rem); font-weight: 1000; text-transform: uppercase; letter-spacing: -.08em; line-height: .83; text-shadow: 0 4px 32px #05071290; }
.hero h1 span { display: block; color: var(--amber); }
.intro { max-width: 360px; color: #e5e0eb; font-size: 1.06rem; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; margin-top: 27px; }
.button { display: inline-flex; align-items: center; gap: 16px; padding: 12px 17px; border: 1px solid var(--amber); border-radius: 6px; background: var(--amber); color: #17121b; font-weight: 800; text-decoration: none; }
.button:hover { background: #ffda99; }
.button.secondary { background: transparent; border-color: var(--cyan); color: var(--cyan); }
.button.secondary:hover { background: #7ee6eb19; }
.status { color: var(--muted); font-size: .78rem; }
.band { border-block: 1px solid var(--line); background: var(--panel); color: #e5d8f2; font-size: .82rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.band-row { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.gameplay { padding-block: 78px; scroll-margin-top: 12px; }
.section-copy { display: grid; grid-template-columns: 1fr minmax(240px, 340px); gap: 12px 32px; align-items: end; margin-bottom: 26px; }
.section-copy .eyebrow { grid-column: 1 / -1; }
h2 { font-size: clamp(1.9rem, 4.4vw, 3.1rem); letter-spacing: -.05em; line-height: 1.02; font-weight: 880; }
.section-copy > p:last-child, .features p, .help p { color: var(--muted); }
.screen { overflow: hidden; border: 1px solid #49677e; border-radius: 12px; background: #070812; box-shadow: 0 16px 40px #090a135e; }
.screen img { width: 100%; }
figcaption { padding: 8px 14px; color: var(--muted); font: .78rem/1.5 ui-monospace, monospace; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 36px; }
.features article { border-top: 1px solid var(--line); padding-top: 15px; }
.tag { color: var(--amber); letter-spacing: .06em; font-size: .77rem; }
.features h3 { margin: 6px 0; font-size: 1.2rem; line-height: 1.25; }
.help { background: var(--panel); border-top: 1px solid var(--line); }
.help-row { padding-block: 34px; }
.help h2 { font-size: 1.9rem; margin-bottom: 4px; }
.footer { border-top: 1px solid var(--line); font-size: .86rem; color: var(--muted); }
.footer-row { padding-block: 24px; }
.info { max-width: 740px; min-height: 65vh; padding-block: 55px 70px; }
.info h1 { font-size: clamp(2.5rem, 7vw, 4.7rem); letter-spacing: -.06em; line-height: 1; margin: 12px 0; }
.info .lede { font-size: 1.08rem; }
.info p, .info li { color: var(--muted); }
.info h2 { font-size: 1.45rem; margin: 28px 0 7px; letter-spacing: -.025em; }
.info .button { margin-top: 20px; }
.contact { margin-top: 7px; }
@media (max-width: 820px) {
  .wrap { width: calc(100% - 36px); }
  .hero { min-height: 610px; }
  .hero-art { background-position: 57% center; }
  .section-copy { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .top-row { gap: 10px 15px; align-items: flex-start; flex-direction: column; padding-block: 12px; }
  .top-row nav { gap: 7px 18px; }
  .hero { display: block; min-height: auto; }
  .hero-art { position: relative; height: clamp(230px, 65vw, 380px); background: linear-gradient(0deg, #10121e, transparent 30%), url(assets/atomo-cover.jpg) center / cover; }
  .hero-content { margin-top: -16px; position: relative; padding-block: 0 29px; }
  .hero h1 { font-size: clamp(3.4rem, 14vw, 5.2rem); letter-spacing: -.07em; }
  .hero h1 span { display: inline; }
  .band-row { padding-block: 10px; min-height: 0; flex-wrap: wrap; font-size: .68rem; gap: 7px 14px; }
  .gameplay { padding-block: 45px; }
  .features { grid-template-columns: 1fr; gap: 18px; }
  .help-row, .footer-row { align-items: flex-start; flex-direction: column; gap: 12px; }
}