/* Pop-Hub — self-contained, no external dependencies */
:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: #e3e4e8;
  --accent: #2563eb;
  --nav: #1d1d1f;
  --maxw: 940px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: var(--nav);
  border-bottom: 1px solid #000;
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; gap: 8px; height: 54px;
}
.brand { color: #fff; font-weight: 700; font-size: 18px; margin-right: auto; }
.brand:hover { text-decoration: none; opacity: .85; }
.nav a.link {
  color: #d0d0d5; font-size: 15px; padding: 6px 12px; border-radius: 8px;
}
.nav a.link:hover { color: #fff; background: rgba(255,255,255,.1); text-decoration: none; }
.nav a.link.active { color: #fff; background: rgba(255,255,255,.16); }

/* Layout */
.container { max-width: var(--maxw); margin: 0 auto; padding: 32px 20px 48px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 28px 30px; margin-bottom: 24px;
}
h1 { font-size: 30px; margin: 0 0 4px; letter-spacing: -.02em; }
h2 { font-size: 22px; margin: 28px 0 10px; letter-spacing: -.01em; }
.sub { color: var(--muted); margin: 0 0 20px; font-size: 16px; }
.lede { font-size: 17px; }
.tag { display: inline-block; font-size: 12px; color: var(--muted); border: 1px solid var(--line);
  border-radius: 999px; padding: 2px 10px; vertical-align: middle; margin-left: 8px; }

/* App hero */
.hero { display: flex; gap: 28px; align-items: flex-start; flex-wrap: wrap; }
.hero .shot { flex: 1 1 320px; min-width: 260px; }
.hero .shot img { border-radius: 12px; border: 1px solid var(--line); }
.hero .info { flex: 1 1 320px; min-width: 260px; }
.appicon { width: 64px; height: 64px; border-radius: 14px; vertical-align: middle; margin-right: 12px; }
.headrow { display: flex; align-items: center; margin-bottom: 6px; }

/* Buttons / badges */
.badge img { height: 44px; width: auto; }
.btns { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 14px 0; }
.dl {
  display: inline-block; background: var(--accent); color: #fff; font-weight: 600;
  padding: 11px 20px; border-radius: 10px; font-size: 15px;
}
.dl:hover { text-decoration: none; opacity: .92; }
.dl small { display: block; font-weight: 400; font-size: 12px; opacity: .8; }
ol, ul { padding-left: 22px; }
li { margin: 4px 0; }
.muted { color: var(--muted); font-size: 14px; }

/* Home app tiles */
.apps-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.app-tile {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 24px; color: inherit; transition: border-color .15s, transform .15s;
}
.app-tile:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-2px); }
.app-tile .appicon { width: 56px; height: 56px; margin: 0; flex: 0 0 auto; }
@media (max-width: 640px) { .apps-grid { grid-template-columns: 1fr; } }

/* ---- App landing (Sharp Lynx) ---- */
.applead { text-align: center; }
.applead .appicon { width: 96px; height: 96px; margin: 0 auto 14px; display: block; border-radius: 20px; }
.applead h1 { font-size: 38px; margin: 0 0 6px; }
.applead .subtitle { font-size: 19px; color: var(--muted); margin: 0 0 16px; }
.applead .promo { font-size: 17px; max-width: 640px; margin: 0 auto 20px; }
.applead .btns { justify-content: center; }
.reqline { font-size: 13px; color: var(--muted); margin-top: 4px; }

.shotfull { margin-top: 6px; }
.shotfull img {
  width: 100%; border-radius: 12px; border: 1px solid var(--line); display: block;
}

/* Feature rows: screenshot + copy, alternating */
.feature { display: grid; grid-template-columns: 1.1fr 1fr; gap: 30px; align-items: center; }
.feature + .feature { margin-top: 34px; padding-top: 34px; border-top: 1px solid var(--line); }
.feature.flip .fshot { order: 2; }
.feature .fshot img { width: 100%; border-radius: 10px; border: 1px solid var(--line); display: block; }
.feature h2 { margin-top: 0; }
.feature ul { padding-left: 20px; margin: 10px 0 0; }
.feature ul li { margin: 6px 0; }

.shot-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 16px; }
.shot-pair img { width: 100%; border-radius: 10px; border: 1px solid var(--line); display: block; }

/* Helper card gets a touch of emphasis */
.card.helper { border-color: #c9d6f5; }
.note {
  background: #f0f4ff; border: 1px solid #d7e2fb; border-radius: 10px;
  padding: 12px 16px; font-size: 14px; margin: 14px 0;
}

@media (max-width: 720px) {
  .feature { grid-template-columns: 1fr; gap: 18px; }
  .feature.flip .fshot { order: 0; }
  .shot-pair { grid-template-columns: 1fr; }
  .applead h1 { font-size: 30px; }
  .applead .subtitle { font-size: 17px; }
}

/* Footer */
footer { border-top: 1px solid var(--line); margin-top: 8px; }
.foot-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 22px 20px;
  display: flex; flex-wrap: wrap; gap: 16px; align-items: center;
  color: var(--muted); font-size: 14px;
}
.foot-inner a { color: var(--muted); }
.foot-inner .spacer { margin-left: auto; }

@media (max-width: 560px) {
  .nav a.link { padding: 6px 8px; font-size: 14px; }
  .card { padding: 22px 18px; }
  h1 { font-size: 25px; }
}