:root {
  --teal: #14b89a;
  --teal-dark: #0c7d6a;
  --cream: #f7f3ec;
  --amber: #ffbc4a;
  --ink: #16302b;
  --muted: #5b716c;
  --bg: #f4f8f6;
  --card: #ffffff;
  --line: #e3ece9;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}

a { color: var(--teal-dark); }

.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }

/* header / hero */
.hero {
  background: linear-gradient(160deg, #26c4a8 0%, var(--teal-dark) 100%);
  color: #fff;
  padding: 64px 0 56px;
  text-align: center;
}
.logo {
  width: 96px; height: 96px;
  border-radius: 22px;
  display: inline-block;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,.18);
  margin-bottom: 20px;
}
.logo img { width: 100%; height: 100%; display: block; }

/* brand mark in sticky nav */
nav.top .brand-mark {
  width: 26px; height: 26px;
  border-radius: 7px;
  vertical-align: middle;
  margin-right: 8px;
}
.hero h1 { font-size: 2.1rem; margin: 0 0 8px; }
.hero p { font-size: 1.1rem; opacity: .92; margin: 0 auto; max-width: 520px; }

/* nav */
nav.top {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
nav.top .wrap { display: flex; gap: 22px; align-items: center; height: 56px; }
nav.top a { color: var(--muted); text-decoration: none; font-weight: 500; font-size: .95rem; }
nav.top a:hover, nav.top a.active { color: var(--teal-dark); }
nav.top .brand { font-weight: 700; color: var(--ink); margin-right: auto; }

/* content */
main { padding: 40px 0 72px; }
main h1 { font-size: 1.8rem; margin: 0 0 6px; }
main h2 { font-size: 1.2rem; margin: 32px 0 8px; }
.updated { color: var(--muted); font-size: .9rem; margin: 0 0 28px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px 26px;
  margin: 0 0 18px;
}
.muted { color: var(--muted); }
ul { padding-left: 20px; }
li { margin: 4px 0; }

.btns { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 26px; }
.btn {
  display: inline-block;
  padding: 11px 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: .95rem;
}
.btn.primary { background: var(--amber); color: #5a3d00; }
.btn.ghost { background: rgba(255,255,255,.16); color: #fff; border: 1px solid rgba(255,255,255,.45); }

/* app store badges */
.stores { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 22px; }
.store-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 18px;
  border-radius: 12px;
  background: #11181a;
  color: #fff;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,.18);
}
.store-badge:hover { background: #000; }
.store-badge svg { width: 26px; height: 26px; flex: none; }
.store-badge .l1 { display: block; font-size: .68rem; opacity: .8; line-height: 1.1; }
.store-badge .l2 { display: block; font-size: 1.05rem; font-weight: 600; line-height: 1.15; }

.contact {
  background: var(--cream);
  border-radius: 14px;
  padding: 18px 22px;
  margin-top: 8px;
}

footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  text-align: center;
  color: var(--muted);
  font-size: .88rem;
}
footer a { color: var(--muted); }
footer .author { margin-top: 8px; font-size: .82rem; opacity: .85; }
footer .author a { color: var(--teal-dark); text-decoration: none; }
footer .author a:hover { text-decoration: underline; }