/* MenuBarPocket website — shared styles */
:root {
  --bg: #0b0c10;
  --bg-soft: #13151c;
  --card: #171a23;
  --card-border: #262b38;
  --text: #e8eaf0;
  --text-dim: #9aa3b5;
  --accent: #6c8cff;
  --accent-2: #57d3ff;
  --radius: 16px;
  --max-w: 1080px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
    "Helvetica Neue", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* Language toggle: body[data-lang] controls which blocks show */
[data-lang="zh"] .en { display: none !important; }
[data-lang="en"] .zh { display: none !important; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(11, 12, 16, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; gap: 28px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; font-size: 17px; }
.brand:hover { text-decoration: none; }
.brand img { width: 28px; height: 28px; border-radius: 7px; }
.nav-links { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav-links a { color: var(--text-dim); font-size: 14px; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.lang-btn {
  border: 1px solid var(--card-border); background: transparent; color: var(--text-dim);
  border-radius: 999px; padding: 4px 14px; font-size: 13px; cursor: pointer;
  font-family: inherit;
}
.lang-btn:hover { color: var(--text); border-color: var(--accent); }

/* ---------- Hero ---------- */
.hero { padding: 88px 0 56px; text-align: center; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% -20% auto;
  height: 520px; pointer-events: none;
  background: radial-gradient(ellipse at 50% 0%, rgba(108, 140, 255, 0.22), transparent 65%);
}
.hero > * { position: relative; }
.hero img.appicon { width: 116px; height: 116px; border-radius: 26px; box-shadow: 0 18px 48px rgba(0,0,0,.5); }
.hero h1 { font-size: 52px; font-weight: 700; letter-spacing: -0.02em; margin-top: 26px; }
.hero .tagline { font-size: 22px; color: var(--text-dim); margin-top: 14px; }
.hero .sub { font-size: 15px; color: var(--text-dim); margin-top: 10px; }
.cta-row { display: flex; gap: 14px; justify-content: center; margin-top: 34px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 12px 28px; border-radius: 999px; font-size: 16px;
  font-weight: 600; transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0a0c14; box-shadow: 0 8px 24px rgba(87, 140, 255, 0.35);
}
.btn-ghost { border: 1px solid var(--card-border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); }
.req-note { margin-top: 16px; font-size: 13px; color: var(--text-dim); }

/* ---------- Menu bar demo ---------- */
.demo { margin: 64px auto 0; max-width: 820px; }
.demo-screen {
  border-radius: 14px; border: 1px solid var(--card-border);
  background: linear-gradient(180deg, #1b1e29, #10121a 60%);
  padding: 0 0 110px; overflow: hidden; box-shadow: 0 24px 64px rgba(0,0,0,.45);
}
.menubar {
  display: flex; align-items: center; gap: 16px;
  padding: 7px 16px; font-size: 13px;
  background: rgba(255,255,255,.07); backdrop-filter: blur(8px);
  color: #d8dce6; white-space: nowrap;
}
.menubar .apple { font-size: 14px; }
.mb-menus { display: flex; gap: 14px; color: #b9c0cf; }
.mb-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.mb-icons { display: flex; gap: 12px; overflow: hidden; max-width: 200px; }
.mb-icons.collapsible { animation: mbCollapse 7s ease-in-out infinite; }
.mb-chevron { font-weight: 700; color: var(--accent-2); cursor: default; }
@keyframes mbCollapse {
  0%, 22%  { max-width: 200px; opacity: 1; }
  32%, 78% { max-width: 0; opacity: 0; }
  88%, 100% { max-width: 200px; opacity: 1; }
}
.float-panel {
  margin: 14px auto 0; width: max-content;
  display: flex; gap: 16px; padding: 12px 18px;
  border-radius: 14px; border: 1px solid rgba(255,255,255,.12);
  background: rgba(40, 44, 58, .85); backdrop-filter: blur(14px);
  font-size: 17px; opacity: 0;
  animation: panelShow 7s ease-in-out infinite;
  box-shadow: 0 14px 40px rgba(0,0,0,.5);
}
@keyframes panelShow {
  0%, 30%  { opacity: 0; transform: translateY(-6px); }
  38%, 72% { opacity: 1; transform: translateY(0); }
  80%, 100% { opacity: 0; transform: translateY(-6px); }
}
.demo-caption { text-align: center; color: var(--text-dim); font-size: 14px; margin-top: 18px; }

/* ---------- Sections ---------- */
section { padding: 72px 0; }
section.alt { background: var(--bg-soft); }
.section-title { font-size: 32px; font-weight: 700; text-align: center; letter-spacing: -0.01em; }
.section-sub { text-align: center; color: var(--text-dim); margin-top: 10px; font-size: 16px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }
.card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 26px 24px;
}
.card .emoji { font-size: 28px; }
.card h3 { font-size: 17px; margin: 12px 0 8px; }
.card p { font-size: 14px; color: var(--text-dim); }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }
.step { text-align: center; padding: 0 12px; }
.step .num {
  width: 44px; height: 44px; border-radius: 50%; margin: 0 auto;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 18px; color: #0a0c14;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.step h3 { margin: 16px 0 8px; font-size: 17px; }
.step p { font-size: 14px; color: var(--text-dim); }

/* ---------- Privacy banner ---------- */
.privacy-banner {
  margin-top: 44px; border-radius: var(--radius);
  border: 1px solid rgba(108, 140, 255, .35);
  background: linear-gradient(135deg, rgba(108,140,255,.12), rgba(87,211,255,.07));
  padding: 36px 32px; text-align: center;
}
.privacy-banner h3 { font-size: 22px; }
.privacy-banner p { color: var(--text-dim); margin: 12px auto 0; max-width: 640px; font-size: 15px; }
.privacy-banner .btn { margin-top: 22px; }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin: 40px auto 0; }
.faq details {
  border: 1px solid var(--card-border); border-radius: 12px;
  background: var(--card); padding: 16px 20px; margin-bottom: 12px;
}
.faq summary { cursor: pointer; font-weight: 600; font-size: 15px; list-style: none; position: relative; padding-right: 28px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 2px; top: 0; color: var(--text-dim); font-size: 18px; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: 10px; font-size: 14px; color: var(--text-dim); }

/* ---------- Footer ---------- */
footer { border-top: 1px solid var(--card-border); padding: 36px 0 44px; }
.footer-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center;
  color: var(--text-dim); font-size: 13px;
}
.footer-inner .links { display: flex; gap: 20px; margin-left: auto; }
.footer-inner a { color: var(--text-dim); }
.footer-inner a:hover { color: var(--text); }

/* ---------- Legal pages ---------- */
.legal { max-width: 780px; margin: 0 auto; padding: 56px 24px 80px; }
.legal h1 { font-size: 34px; letter-spacing: -0.01em; }
.legal .meta { color: var(--text-dim); font-size: 14px; margin-top: 8px; }
.legal h2 { font-size: 21px; margin: 38px 0 12px; }
.legal p, .legal li { font-size: 15px; color: #c6ccd9; }
.legal ul { padding-left: 22px; margin: 10px 0; }
.legal li { margin: 6px 0; }
.legal .callout {
  border: 1px solid rgba(108, 140, 255, .35); border-radius: 12px;
  background: rgba(108, 140, 255, .08); padding: 16px 20px; margin: 22px 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .hero h1 { font-size: 38px; }
  .hero .tagline { font-size: 18px; }
  .grid, .steps { grid-template-columns: 1fr; }
  .nav-links { gap: 14px; }
  .nav-links a.hide-sm { display: none; }
  .mb-menus { display: none; }
}