/* Bibee English — site giới thiệu. Bảng màu lấy từ phong-cach-hinh.md, giống app. */
:root {
  --honey: #fac775;
  --amber: #ef9f27;
  --brown: #712b13;
  --green: #97c459;
  --blue: #85b7eb;
  --dark: #2c2c2a;
  --cream: #fff8ec;
  --card: #ffffff;
  --line: #f3dfb6;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Baloo 2", system-ui, "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background: var(--cream);
}
a { color: var(--brown); }
img { max-width: 100%; height: auto; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
header.top { padding: 14px 0; }
header.top .wrap { display: flex; align-items: center; gap: 10px; }
header.top img { width: 40px; height: 40px; border-radius: 10px; }
header.top a.brand { font-weight: 800; font-size: 1.3rem; text-decoration: none; color: var(--brown); white-space: nowrap; }
header.top nav { margin-left: auto; display: flex; gap: 14px; flex-wrap: wrap; font-size: .95rem; }
.hero { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; align-items: center; padding: 28px 0 8px; }
.hero h1 { font-size: clamp(1.9rem, 5vw, 2.8rem); line-height: 1.15; margin: 0 0 10px; color: var(--brown); }
.hero p { font-size: 1.15rem; margin: 0 0 16px; }
.hero .bee { text-align: center; }
.hero .bee img { width: min(320px, 80%); }
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 28px; font-weight: 800;
  background: var(--amber); color: #fff; text-decoration: none;
}
.btn.ghost { background: transparent; color: var(--brown); border: 2px solid var(--amber); }
.soon { font-size: .95rem; color: var(--brown); margin-top: 14px; }
.hero .btn { margin: 4px 6px 4px 0; }
section { padding: 28px 0; }
section h2 { font-size: 1.6rem; color: var(--brown); margin: 0 0 14px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; }
.card {
  background: var(--card); border: 2px solid var(--line); border-radius: 22px; padding: 16px;
}
.card img { width: 72px; height: 72px; object-fit: contain; }
.card h3 { margin: 6px 0 4px; font-size: 1.15rem; }
.card p { margin: 0; }
.prices { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
.price { background: var(--card); border: 2px solid var(--line); border-radius: 22px; padding: 20px; }
.price.premium { border-color: var(--amber); background: #fffaf0; }
.price .amount { font-size: 2rem; font-weight: 800; color: var(--brown); }
.price ul { padding-left: 20px; margin: 8px 0 0; }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; }
.steps li { counter-increment: s; position: relative; padding: 6px 0 6px 44px; }
.steps li::before {
  content: counter(s); position: absolute; left: 0; top: 6px; width: 32px; height: 32px; border-radius: 50%;
  background: var(--honey); color: var(--brown); font-weight: 800; display: grid; place-items: center;
}
.doc { background: var(--card); border: 2px solid var(--line); border-radius: 22px; padding: 22px; margin: 20px 0 32px; }
.doc h1 { color: var(--brown); font-size: 1.9rem; margin-top: 0; line-height: 1.2; }
.doc h2 { font-size: 1.25rem; color: var(--brown); border-bottom: 2px solid var(--honey); padding-bottom: 4px; margin-top: 1.6em; }
.doc table { width: 100%; border-collapse: collapse; font-size: .97rem; }
.doc th, .doc td { border: 1px solid var(--line); padding: 8px; text-align: left; vertical-align: top; }
.doc th { background: #fff4dc; }
.table-scroll { overflow-x: auto; }
.note { background: #fff4dc; border: 1px solid var(--honey); border-radius: 12px; padding: 10px 14px; }
footer { border-top: 2px solid var(--line); padding: 18px 0 28px; font-size: .95rem; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 18px; }
@media (max-width: 680px) {
  .hero { grid-template-columns: 1fr; }
  .hero .bee { order: -1; }
  header.top nav { gap: 10px; font-size: .9rem; }
}