/* Emma Daily English — kiểu chung cho mọi trang. Màu lấy từ ảnh Emma: áo xanh nhạt, giá sách gỗ ấm. */
:root {
  --bg: #FFF8F1; --card: #FFFFFF; --ink: #2A211B; --muted: #6E6158; --line: #EFE3D6;
  --blue: #2F7FB5; --blue-dark: #236591; --blue-soft: #E3F1FA; --wood: #9A5B34; --wood-soft: #F6E7DA;
  --radius: 18px;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
a { color: var(--blue); }
a:hover { color: var(--blue-dark); }
img { max-width: 100%; display: block; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; margin: 0; }
h1 { font-size: clamp(30px, 6vw, 46px); }
h2 { font-size: clamp(22px, 4vw, 28px); }
p { margin: 0; }

.wrap { width: min(1040px, 100% - 32px); margin: 0 auto; }
.narrow { width: min(680px, 100% - 32px); margin: 0 auto; }

/* đầu trang */
.top { padding: 18px 0; }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 18px; }
.brand img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; border: 2px solid #fff; box-shadow: 0 1px 4px rgba(0,0,0,.12); }
.top nav a { font-weight: 600; text-decoration: none; font-size: 15px; }

/* nút */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px; border-radius: 999px; font-weight: 700; text-decoration: none; background: var(--blue); color: #fff; border: 0; }
.btn:hover { background: var(--blue-dark); color: #fff; }
.btn.ghost { background: transparent; color: var(--blue); border: 2px solid var(--blue); }
.btn.ghost:hover { background: var(--blue-soft); color: var(--blue-dark); }

/* phần đầu trang chủ */
.hero { padding: 24px 0 48px; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 40px; align-items: center; }
.hero .lead { color: var(--muted); font-size: 19px; margin-top: 14px; }
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.portrait { justify-self: center; width: min(380px, 100%); aspect-ratio: 1; border-radius: 50%; overflow: hidden; border: 8px solid #fff; box-shadow: 0 18px 50px rgba(154, 91, 52, .22); }
.portrait img { width: 100%; height: 100%; object-fit: cover; }

/* khối thẻ */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: 0 2px 10px rgba(42,33,27,.04); }
.section { padding: 40px 0; }
.perks { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 22px; }
.perk { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.perk b { display: block; font-size: 18px; margin: 8px 0 6px; }
.perk p { color: var(--muted); font-size: 15.5px; }
.perk .ic { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--wood-soft); color: var(--wood); font-size: 22px; }

/* form đăng ký (Brevo) */
.signup { text-align: center; }
.signup p.sub { color: var(--muted); margin-top: 8px; }
.signup iframe { width: 100%; max-width: 560px; height: 560px; border: 0; margin: 18px auto 0; display: block; }
.form-soon { margin: 18px auto 0; max-width: 520px; padding: 18px; border: 2px dashed var(--line); border-radius: 14px; color: var(--muted); }

/* trang chữ (privacy, welcome, quà) */
.page { padding: 20px 0 56px; }
.page h1 { margin-bottom: 14px; }
.page h2 { font-size: 21px; margin: 28px 0 8px; }
.page p, .page li { color: #3D322A; }
.page p + p { margin-top: 12px; }
.page ul { padding-left: 22px; }
.center { text-align: center; }
.big-ic { font-size: 52px; margin-bottom: 8px; }
.items { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 12px; }
.items li a { display: flex; align-items: center; gap: 14px; padding: 16px 18px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; text-decoration: none; color: var(--ink); font-weight: 600; }
.items li a:hover { border-color: var(--blue); }
.items li a span { margin-left: auto; color: var(--blue); font-size: 15px; }

/* cuối trang */
.foot { border-top: 1px solid var(--line); padding: 26px 0 36px; color: var(--muted); font-size: 14.5px; }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: space-between; }
.foot a { color: var(--muted); }

@media (max-width: 760px) {
  body { font-size: 16px; }
  .hero .wrap { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .portrait { order: -1; width: min(220px, 70%); }
  .hero { text-align: center; padding-bottom: 32px; }
  .hero .actions { justify-content: center; }
  .perks { grid-template-columns: minmax(0, 1fr); }
  .card { padding: 20px; }
  .signup iframe { height: 620px; }
}
.actions-row { margin-top: 22px; }
.page ul.items { padding-left: 0; }
.items + p { margin-top: 22px; }
.signup .fine { font-size: 13.5px; color: var(--muted); margin-top: 8px; }