/* giochap.com — trang bán Giỗ Chạp (dựng lại 23/10/2026 theo chuẩn trang sản phẩm: tên to nhất trên cùng, demo thật, nút mua đầu + cuối).
   Bản sắc: giấy dó + son đỏ + nhũ đồng như tờ lịch trong app; chữ tiêu đề Noto Serif. Trang hỗ trợ / quyền riêng tư vẫn dùng style.css. */
:root { --giay: #F3E9D2; --the: #FBF5E6; --son: #9B1B1E; --sonDam: #6E1012; --dong: #B8862F; --muc: #2A2118; --mucNhat: #6B5B4A; --vien: #E2D3B0; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--giay); color: var(--muc); font: 17px/1.65 "Be Vietnam Pro", system-ui, -apple-system, sans-serif; }
a { color: var(--son); }
h1, h2, h3 { font-family: "Noto Serif", Georgia, serif; color: var(--sonDam); }
.nho { font-size: 14.5px; color: var(--mucNhat); }
/* trang bán */
.trang { max-width: 1120px; margin: 0 auto; padding: 32px 16px 48px; }
.trang section { margin-bottom: 88px; }
.dau { display: grid; gap: 36px; align-items: center; }
.ten { display: flex; align-items: center; gap: 18px; font-size: clamp(54px, 8.5vw, 96px); line-height: .95; font-weight: 800; letter-spacing: -.02em; margin: 0 0 12px; }
.ten img { width: clamp(56px, 7vw, 84px); height: auto; border-radius: 20px; box-shadow: 0 12px 30px -12px rgba(110,16,18,.6); }
.loai { margin: 0 0 22px; font-size: 14px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--dong); }
.khau { font-family: "Noto Serif", serif; font-weight: 700; font-size: clamp(26px, 3.4vw, 38px); line-height: 1.15; margin: 0 0 16px; color: var(--muc); }
.gach { background: linear-gradient(transparent 60%, rgba(184,134,47,.38) 60%, rgba(184,134,47,.38) 92%, transparent 92%); }
.phu { font-size: clamp(17px, 1.8vw, 19px); max-width: 46ch; margin: 0 0 26px; }
.mua { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }
.nut { display: inline-flex; flex-direction: column; line-height: 1.15; padding: 11px 22px; border-radius: 14px; background: var(--sonDam); color: #FBF5E6; text-decoration: none; font-weight: 700; font-size: 18px; box-shadow: 0 10px 24px -12px rgba(110,16,18,.8); }
.nut span { font-size: 12px; font-weight: 500; opacity: .8; }
.nut:hover { background: var(--son); }
.nut-phu { background: var(--the); color: var(--sonDam); border: 1.5px solid var(--sonDam); box-shadow: none; }
.nut-phu:hover { background: #fff; }
/* tờ lịch sống */
.to-lich { background: var(--the); border: 1px solid var(--vien); border-radius: 22px; padding: 0 0 18px; box-shadow: 0 30px 60px -30px rgba(42,33,24,.45); overflow: hidden; max-width: 460px; justify-self: center; width: 100%; }
.to-tren { background: var(--sonDam); color: #F3D9A0; text-align: center; font: 700 14px "Be Vietnam Pro"; letter-spacing: .14em; padding: 9px; }
.to-so { font: 800 clamp(96px, 14vw, 132px)/1 "Noto Serif", serif; color: var(--son); text-align: center; margin-top: 14px; }
.to-thu { text-align: center; font: 700 15px "Be Vietnam Pro"; letter-spacing: .18em; color: var(--sonDam); margin-bottom: 12px; }
.to-duoi { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: center; margin: 0 18px; padding: 14px 0; border-top: 1px dashed var(--vien); border-bottom: 1px dashed var(--vien); }
.to-am { text-align: center; padding-right: 18px; border-right: 1px solid var(--vien); }
.to-am b { display: block; font: 800 44px/1.05 "Noto Serif", serif; color: var(--muc); }
.to-am small { display: block; font-size: 12.5px; color: var(--mucNhat); }
.to-duoi dl { display: grid; grid-template-columns: auto 1fr; gap: 2px 14px; margin: 0; font-size: 15px; }
.to-duoi dt { color: var(--mucNhat); } .to-duoi dd { margin: 0; font-weight: 600; color: var(--sonDam); }
.thu-gio { margin: 16px 18px 0; }
.thu-gio label { display: block; font-size: 15px; margin-bottom: 8px; }
.thu-hang { display: flex; flex-wrap: wrap; gap: 8px; }
.thu-hang select { font: inherit; font-size: 15px; padding: 9px 10px; border-radius: 10px; border: 1px solid var(--vien); background: #fff; color: var(--muc); }
.thu-hang button { font: 600 15px "Be Vietnam Pro"; padding: 9px 14px; border-radius: 10px; border: 0; background: var(--son); color: #fff; cursor: pointer; }
.thu-kq { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 6px; }
.thu-kq li { display: flex; justify-content: space-between; gap: 10px; background: #fff; border: 1px solid var(--vien); border-left: 4px solid var(--son); border-radius: 10px; padding: 8px 12px; font-size: 15px; }
.thu-kq li span { color: var(--mucNhat); white-space: nowrap; }
/* nội dung */
.canh { max-width: 700px; margin-left: auto; margin-right: auto; font-size: clamp(18px, 2vw, 21px); }
.canh-dam { font-family: "Noto Serif", serif; font-weight: 700; font-size: 1.15em; color: var(--sonDam); }
.muc, .may { display: grid; gap: 28px; align-items: center; }
.muc img { width: min(300px, 70%); height: auto; justify-self: center; border-radius: 34px; border: 8px solid #1E1A16; box-shadow: 0 30px 60px -30px rgba(42,33,24,.6); }
.muc h2, .may h2, .luoi h2, .mien-phi h2, .hoi h2 { font-size: clamp(26px, 3.2vw, 36px); line-height: 1.15; margin: 0 0 12px; }
.vd { display: grid; grid-template-columns: 1fr auto 1.3fr; gap: 10px; align-items: center; margin: 18px 0 12px; }
.vd > div { background: #fff; border: 1px solid var(--vien); border-radius: 12px; padding: 12px; font-size: 14.5px; }
.vd small { display: block; font-size: 11.5px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--dong); margin-bottom: 4px; }
.vd p { margin: 0; }
.vd > span { color: var(--son); font-weight: 700; }
.vd-ra { background: var(--the) !important; font-family: "Noto Serif", serif; }
.vd-ra b { color: var(--son); }
.giua { text-align: center; }
.luoi { display: grid; gap: 18px; }
.luoi figure { margin: 0; background: var(--the); border: 1px solid var(--vien); border-radius: 20px; padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 14px; }
.luoi figure img { width: 72%; height: auto; align-self: center; border-radius: 22px; border: 6px solid #1E1A16; }
.luoi figcaption { font-size: 15px; color: var(--mucNhat); }
.luoi figcaption b { display: block; font: 700 18px "Noto Serif", serif; color: var(--sonDam); margin-bottom: 2px; }
.may img { width: 100%; height: auto; border-radius: 14px; border: 1px solid var(--vien); box-shadow: 0 30px 60px -30px rgba(42,33,24,.5); }
.mien-phi { background: var(--sonDam); color: #F3E9D2; border-radius: 26px; padding: 40px 28px; text-align: center; }
.mien-phi h2 { color: #F3D9A0; }
.mien-phi p { max-width: 56ch; margin: 0 auto 24px; }
.mien-phi .mua { justify-content: center; }
.mien-phi .nut { background: #F3D9A0; color: var(--sonDam); }
.mien-phi .nut-phu { background: transparent; color: #F3E9D2; border-color: #F3D9A0; }
.hoi details { border-top: 1px solid var(--vien); padding: 14px 0; }
.hoi summary { font-weight: 600; cursor: pointer; }
.hoi details p { margin: 8px 0 0; color: var(--mucNhat); }
footer { display: flex; flex-wrap: wrap; gap: 18px; padding-top: 18px; border-top: 1px solid var(--vien); font-size: 14.5px; color: var(--mucNhat); }
footer span { margin-left: auto; }
@media (min-width: 900px) {
  .trang { padding-top: 48px; }
  .dau { grid-template-columns: 1.05fr .95fr; gap: 56px; }
  .muc { grid-template-columns: .8fr 1.2fr; gap: 56px; }
  .muc.dao > img { order: 2; }
  .luoi { grid-template-columns: repeat(4, 1fr); }
  .luoi > h2 { grid-column: 1 / -1; }
  .may { grid-template-columns: 1.3fr 1fr; gap: 48px; }
  .mien-phi { padding: 56px; }
}
.gia { color: var(--sonDam); }
.gia-to { font: 800 64px/1 "Noto Serif", serif; color: #F3D9A0; margin: 0 0 12px !important; }
.tin h2 { text-align: center; }
.tin-luoi { display: grid; gap: 14px; margin-top: 18px; }
.tin-luoi > div { background: var(--the); border: 1px solid var(--vien); border-top: 4px solid var(--dong); border-radius: 16px; padding: 18px 20px; }
.tin-luoi b { font: 700 19px "Noto Serif", serif; color: var(--sonDam); }
.tin-luoi p { margin: 6px 0 0; font-size: 15.5px; color: var(--mucNhat); }
@media (min-width: 900px) { .tin-luoi { grid-template-columns: repeat(3, 1fr); } }