/* Summit Pet — cùng ngôn ngữ thiết kế với bảng giá in 01/10/2026 (production/petvc-banggia):
   nền kem, thẻ trắng viền mờ, gói giữa nổi màu cam, chữ cách đều, linh vật ngoi lên từ mép khung, không emoji. */
:root {
  --cam: #ff7420; --cam-dam: #e2600f; --cam-nhat: #fff1e4; --cam-vien: #ffc9a1;
  --kem: #fffaf4; --xanh: #5672ff; --xanh-nhat: #eef1ff; --vang: #f5bf00;
  --nau: #3a2616; --xam: #8b7d71; --ke: #efe4d8; --vien: #eee1d3; --trang: #fff;
  --xanh-la: #1f8a5b; --do: #c2410c;
  --bong: 0 4px 14px rgba(120, 70, 20, .05);
  --bong-cam: 0 18px 40px rgba(226, 96, 15, .22);
  --bo: 22px; --bo-nho: 14px;
  --chu: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --tieu-de: 'Baloo 2', 'Be Vietnam Pro', system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 15px/1.6 var(--chu); color: var(--nau); background: var(--kem); padding-bottom: 72px; overflow-x: hidden; }
@media (min-width: 900px) { body { padding-bottom: 0; } }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: 5px; background: var(--cam); z-index: 50; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { font-family: var(--tieu-de); font-weight: 800; line-height: 1.08; margin: 0; color: var(--nau); }
h2 { font-size: clamp(28px, 4.4vw, 38px); }
h3 { font-size: 22px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--xam); }
.small { font-size: 13px; }
.hidden { display: none !important; }
:focus-visible { outline: 3px solid var(--xanh); outline-offset: 2px; border-radius: 8px; }
svg.i { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.eyebrow { display: block; font-size: 12px; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; color: var(--cam); margin-bottom: 12px; }

/* ---------- header ---------- */
header.top { position: sticky; top: 0; z-index: 30; background: rgba(255, 250, 244, .94); backdrop-filter: blur(10px); border-bottom: 1px solid var(--ke); padding-top: 5px; }
.top .wrap { display: flex; align-items: center; gap: 14px; height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--tieu-de); font-weight: 800; font-size: 22px; }
.brand img { width: 44px; height: 44px; border-radius: 13px; box-shadow: 0 6px 16px rgba(226, 96, 15, .22); }
.nav { display: none; gap: 2px; margin-left: 20px; }
.nav a { font-weight: 600; color: var(--xam); padding: 8px 14px; border-radius: 10px; position: relative; }
.nav a:hover, .nav a.on { color: var(--nau); }
.nav a.on::after { content: ""; position: absolute; left: 50%; bottom: 0; width: 5px; height: 5px; border-radius: 50%; background: var(--cam); transform: translateX(-50%); }
.top .gian { flex: 1; }
.cart-btn { position: relative; width: 44px; height: 44px; border-radius: 13px; border: 1.5px solid var(--vien); background: var(--trang); display: grid; place-items: center; color: var(--nau); }
.badge { position: absolute; top: -6px; right: -6px; min-width: 20px; height: 20px; padding: 0 5px; border-radius: 10px; background: var(--cam); color: #fff; font-size: 11px; font-weight: 800; display: grid; place-items: center; border: 2px solid var(--kem); }
.top .btn-book-top { display: none; }
@media (min-width: 900px) { .nav { display: flex; } .top .btn-book-top { display: inline-flex; } }
/* chữ trên thanh menu không được xuống dòng; màn vừa (laptop nhỏ, tablet ngang) thu gọn lại */
.brand, .nav a, .top .btn { white-space: nowrap; }
@media (min-width: 900px) and (max-width: 1099px) {
  .brand { font-size: 20px; gap: 10px; } .brand img { width: 40px; height: 40px; }
  .nav { margin-left: 12px; } .nav a { padding: 8px 10px; font-size: 15px; }
  .top .btn-book-top { display: none; }
}
.announce { background: var(--cam-nhat); color: var(--nau); font-size: 13px; font-weight: 600; text-align: center; padding: 8px 16px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; border-bottom: 1px solid #ffe2c8; }
.announce b { color: var(--cam-dam); }

/* ---------- nút ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1.5px solid transparent; cursor: pointer; font-weight: 700; border-radius: var(--bo-nho); padding: 12px 22px; font-size: 15px; line-height: 1.2; transition: background .15s, border-color .15s, transform .1s; text-align: center; }
.btn:active { transform: translateY(1px); }
.btn-cam { background: var(--cam); color: #fff; box-shadow: 0 8px 18px rgba(226, 96, 15, .22); }
.btn-cam:hover { background: var(--cam-dam); }
.btn-trang { background: var(--trang); color: var(--nau); border-color: var(--vien); }
.btn-trang:hover { border-color: var(--cam-vien); }
.btn-to { padding: 15px 26px; font-size: 16px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .45; pointer-events: none; }

/* ---------- thẻ chung ---------- */
.card { background: var(--trang); border: 1.5px solid var(--vien); border-radius: var(--bo); box-shadow: var(--bong); }
.pad { padding: 24px; }
@media (min-width: 760px) { .pad { padding: 28px 32px; } }
.nhan { display: inline-block; background: var(--vang); color: var(--nau); font-weight: 800; font-size: 11px; letter-spacing: .8px; padding: 5px 12px; border-radius: 20px; text-transform: uppercase; white-space: nowrap; }
.nhan-nau { display: inline-block; background: var(--nau); color: #fff; font-weight: 700; font-size: 11px; letter-spacing: 1.5px; padding: 6px 12px; border-radius: 10px; text-transform: uppercase; white-space: nowrap; }
ul.ds { list-style: none; margin: 0; padding: 0; font-size: 14px; line-height: 1.85; }
ul.ds li::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #cdbfb2; margin-right: 10px; vertical-align: middle; }

/* ---------- hero ---------- */
.hero { padding: 44px 0 36px; }
.hero .wrap { display: grid; gap: 36px; align-items: center; }
.hero h1 { font-size: clamp(40px, 8vw, 64px); }
.hero h1 em { font-style: normal; color: var(--cam); }
.hero .lead { font-size: 17px; color: var(--xam); margin: 18px 0 26px; max-width: 480px; }
.hero .ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.live { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 600; color: var(--nau); background: var(--trang); border: 1.5px solid var(--vien); border-radius: 30px; padding: 6px 14px 6px 10px; margin-bottom: 18px; }
.live i { width: 8px; height: 8px; border-radius: 50%; background: var(--xanh-la); box-shadow: 0 0 0 4px #dff3e9; }
.live b { color: var(--cam-dam); }
.facts { display: flex; flex-wrap: wrap; gap: 8px 0; margin-top: 28px; font-size: 13.5px; color: var(--xam); }
.facts span { padding: 0 16px; border-left: 1.5px solid var(--vien); }
.facts span:first-child { padding-left: 0; border-left: 0; }
.facts b { display: block; font-family: var(--tieu-de); font-size: 22px; color: var(--nau); line-height: 1.1; }
.art { position: relative; justify-self: center; width: min(380px, 84vw); aspect-ratio: 1; }
.art .nen { position: absolute; inset: 10% 0 0; background: var(--cam); border-radius: 40px; box-shadow: var(--bong-cam); }
.art .cun { position: absolute; left: 50%; bottom: 0; height: 94%; transform: translateX(-50%); z-index: 1; }
.art .meo { position: absolute; right: -3%; top: 4%; width: 33%; z-index: 2; transform: rotate(8deg); }
.art .the-nho { position: absolute; left: -5%; bottom: 9%; z-index: 3; background: var(--trang); border: 1.5px solid var(--vien); border-radius: 16px; padding: 10px 14px; box-shadow: var(--bong); font-size: 12.5px; line-height: 1.35; color: var(--xam); }
.art .the-nho b { display: block; font-family: var(--tieu-de); font-size: 18px; color: var(--cam); }
@media (min-width: 900px) { .hero { padding: 64px 0 56px; } .hero .wrap { grid-template-columns: 1.1fr .9fr; } }

/* ---------- section ---------- */
section.sec { padding: 40px 0; }
.sec-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 26px; flex-wrap: wrap; }
.sec-head p { margin: 10px 0 0; color: var(--xam); max-width: 560px; }
.link { font-weight: 700; color: var(--cam-dam); white-space: nowrap; }

/* ---------- ưu đãi ---------- */
.promos { display: grid; gap: 22px; padding-top: 22px; }
@media (min-width: 820px) { .promos { grid-template-columns: 1fr 1.15fr 1fr; align-items: stretch; } }
.promo { position: relative; padding: 26px 24px 22px; display: flex; flex-direction: column; }
.promo .lb { font-size: 12px; font-weight: 700; letter-spacing: 2px; color: var(--xam); text-transform: uppercase; }
.promo h3 { margin: 8px 0 10px; font-size: 26px; }
.promo p { margin: 0 0 16px; color: var(--xam); font-size: 14.5px; }
.promo .ft { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 10px; font-weight: 700; font-size: 14px; }
.promo.meo-c h3 { color: var(--xanh); }
.promo.hom-nay { border-color: var(--cam); box-shadow: 0 0 0 3px var(--cam-nhat), var(--bong); }
.promo .tag-hn { position: absolute; top: -12px; left: 22px; }
.promo-giua { padding: 0; background: var(--cam-nhat); border-color: var(--cam-vien); box-shadow: var(--bong-cam); }
.promo-giua .dau { background: var(--cam); color: #fff; border-radius: 20px 20px 0 0; padding: 30px 24px 22px; }
.promo-giua .dau .lb { color: #ffe2c8; }
.promo-giua .dau h3 { color: #fff; font-size: 30px; }
.promo-giua .dau p { color: #fff; margin: 0; }
.promo-giua .duoi { padding: 18px 24px 22px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.promo-giua .so { font-family: var(--tieu-de); font-size: 15px; font-weight: 700; color: var(--xam); line-height: 1.1; }
.promo-giua .so b { display: block; font-size: 34px; color: var(--cam-dam); font-weight: 800; }
.promo-giua .nhan { position: absolute; top: -12px; left: 24px; z-index: 2; }
.promo-giua .cun-nua { position: absolute; right: 18px; top: -80px; width: 92px; z-index: -1; }
@media (min-width: 820px) { .promo-giua { margin-top: -14px; } }

/* ---------- bảng giá ---------- */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tab { border: 1.5px solid var(--vien); background: var(--trang); border-radius: 12px; padding: 9px 16px; font-weight: 700; font-size: 14px; color: var(--xam); cursor: pointer; }
.tab.on { border-color: var(--nau); background: var(--nau); color: #fff; }
.tabs.nhe .tab.on { border-color: var(--cam); background: var(--cam-nhat); color: var(--cam-dam); }
.bg-controls { display: flex; gap: 12px 24px; flex-wrap: wrap; align-items: center; margin-bottom: 26px; }
/* bảng đầy đủ như bản in (máy tính) — gói giữa cao hơn, to hơn, có nút riêng */
.bang { display: none; grid-template-columns: 116px 1fr 1.25fr 1fr; column-gap: 18px; align-items: start; padding-top: 84px; }
@media (min-width: 900px) { .bang { display: grid; } .bang-dt { display: none; } }
.bang .cot { position: relative; }
.bang .o-dau { min-height: 200px; padding: 22px 22px 0; }
.bang .cot0 .o-dau { padding: 0 0 14px 2px; display: flex; align-items: flex-end; }
.bang .cot0 .o-dau span { font-size: 12px; font-weight: 700; letter-spacing: 2px; color: var(--xam); }
.bang .ten { font-family: var(--tieu-de); font-weight: 800; font-size: 25px; line-height: 1.05; }
.bang .cong { font-size: 12.5px; font-weight: 700; margin: 6px 0 8px; color: var(--xam); }
.bang .ds.hai { columns: 2; column-gap: 14px; }
.bang .ds li { break-inside: avoid; white-space: nowrap; font-size: 13.5px; }
.bang .dong { height: 48px; display: flex; align-items: center; justify-content: center; border-top: 1px solid var(--ke); font-family: var(--tieu-de); font-weight: 700; font-size: 23px; margin: 0 18px; }
.bang a.dong:hover { color: var(--cam-dam); }
.bang .dong small { font-size: 14px; margin-left: 2px; opacity: .8; }
.bang .cot0 .dong { justify-content: flex-start; font-family: var(--chu); font-size: 15.5px; margin: 0; }
.bang .the-goi { padding-bottom: 16px; opacity: .92; }
.bang .the-goi .chon-goi { margin: 14px 18px 0; }
.bang .giua { background: var(--cam-nhat); border: 2px solid var(--cam); border-radius: 24px; box-shadow: var(--bong-cam); margin-top: -26px; padding-bottom: 20px; z-index: 1; }
.bang .giua .o-dau { background: var(--cam); color: #fff; border-radius: 21px 21px 0 0; min-height: 226px; padding-top: 30px; }
.bang .giua .ten { font-size: 34px; color: #fff; }
.bang .giua .cong { color: #ffe2c8; }
.bang .giua .ds { color: #fff; }
.bang .giua .ds li::before { background: #ffd2ad; }
.bang .giua .dong { border-top-color: #f6dcc4; color: var(--cam-dam); font-size: 31px; font-weight: 800; }
.bang .giua .o-dau + .dong { border-top: 0; }
.bang .giua .nhan { position: absolute; top: -14px; left: 24px; z-index: 2; font-size: 12px; }
.bang .giua .loi { margin: 14px 18px 0; text-align: center; font-size: 13px; font-weight: 600; color: var(--cam-dam); }
.bang .giua .chon-goi { margin: 10px 18px 0; }
.bang .giua .linh-vat { position: absolute; right: 18px; z-index: -1; }
.bang .giua .linh-vat.cun-nua { top: -88px; width: 96px; }
.bang .giua .linh-vat.meo { top: -68px; width: 90px; right: 14px; z-index: 2; }
.bang .xanh .ten, .bang .xanh .dong { color: var(--xanh); }
/* điện thoại: chọn cân nặng rồi xem 3 gói; gói giữa đặt LÊN ĐẦU và to nhất */
.bang-dt .chips { margin-bottom: 30px; }
.goi-list { display: grid; gap: 24px; }
.goi { position: relative; }
.goi .o-dau { padding: 22px 22px 6px; }
.goi .ten { font-family: var(--tieu-de); font-weight: 800; font-size: 25px; line-height: 1.05; }
.goi .cong { font-size: 12.5px; font-weight: 700; margin: 6px 0 6px; color: var(--xam); }
.goi .gia { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 22px 18px; border-top: 1px solid var(--ke); margin-top: 10px; }
.goi .gia b { font-family: var(--tieu-de); font-size: 28px; font-weight: 800; line-height: 1; }
.goi .gia .btn { padding: 10px 16px; font-size: 14px; }
.goi.xanh .ten, .goi.xanh .gia b { color: var(--xanh); }
.goi.giua { background: var(--cam-nhat); border: 2px solid var(--cam); box-shadow: var(--bong-cam); }
.goi.giua .o-dau { background: var(--cam); border-radius: 20px 20px 0 0; padding-top: 28px; padding-bottom: 18px; }
.goi.giua .ten { color: #fff; font-size: 32px; } .goi.giua .cong { color: #ffe2c8; } .goi.giua .ds { color: #fff; } .goi.giua .ds li::before { background: #ffd2ad; }
.goi.giua .gia { border-top: 0; margin-top: 0; } .goi.giua .gia b { color: var(--cam-dam); font-size: 34px; }
.goi.giua .loi { padding: 0 22px 18px; margin-top: -6px; font-size: 13px; font-weight: 600; color: var(--cam-dam); }
.goi .nhan { position: absolute; top: -12px; left: 22px; z-index: 2; }
.goi .linh-vat { position: absolute; right: 18px; top: -64px; width: 80px; z-index: -1; }
.goi .linh-vat.meo { top: -52px; z-index: 2; }
.goi.chon { border-color: var(--cam); box-shadow: 0 0 0 3px var(--cam-nhat), var(--bong); }
.goi.giua.chon { box-shadow: 0 0 0 4px #ffd9bc, var(--bong-cam); }
.goi .ds.hai { columns: 2; column-gap: 12px; }
.goi-list.ba { padding-top: 56px; }
@media (min-width: 640px) { .goi-list.ba { grid-template-columns: 1fr 1.15fr 1fr; align-items: start; } .goi-list.ba .goi.giua { order: 0; margin-top: -14px; } }
@media (max-width: 639px) { .goi-list.ba .goi.giua { order: -1; } }
.them { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 0; margin-top: 30px; padding: 10px 12px; font-size: 13.5px; color: var(--xam); }
.them .muc { padding: 0 16px; border-left: 1.5px solid var(--vien); }
.them .nhan-nau + .muc { border-left: 0; }
.them b { color: var(--nau); }
.them .phai { margin-left: auto; color: var(--cam); font-weight: 800; font-family: var(--tieu-de); font-size: 17px; padding-right: 6px; }
@media (max-width: 640px) { .them .muc { border-left: 0; padding: 2px 10px; } .them .phai { display: none; } }
.vi-sao { display: grid; gap: 14px; margin-top: 26px; }
@media (min-width: 760px) { .vi-sao { grid-template-columns: repeat(3, 1fr); } }
.vi-sao > div { padding: 18px 20px; font-size: 14px; color: var(--xam); }
.vi-sao b { display: block; color: var(--nau); font-size: 15px; margin-bottom: 4px; }

/* ---------- chip ---------- */
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chips.cuon { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; padding-bottom: 4px; }
.chips.cuon::-webkit-scrollbar { display: none; }
.chip { flex: none; border: 1.5px solid var(--vien); background: var(--trang); border-radius: 12px; padding: 9px 15px; font-weight: 600; font-size: 14px; cursor: pointer; white-space: nowrap; color: var(--nau); }
.chip.on { border-color: var(--cam); background: var(--cam-nhat); color: var(--cam-dam); font-weight: 700; }

/* ---------- sản phẩm ---------- */
.grid-sp { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
@media (min-width: 640px) { .grid-sp { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 980px) { .grid-sp { grid-template-columns: repeat(4, 1fr); gap: 20px; } }
.scroller { display: grid; grid-auto-flow: column; grid-auto-columns: 46%; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 2px 2px 10px; scrollbar-width: none; }
.scroller::-webkit-scrollbar { display: none; }
.scroller > * { scroll-snap-align: start; }
@media (min-width: 760px) { .scroller { grid-auto-columns: calc(25% - 11px); } }
.sp { background: var(--trang); border: 1.5px solid var(--vien); border-radius: 20px; overflow: hidden; display: flex; flex-direction: column; box-shadow: var(--bong); }
.sp .ph { aspect-ratio: 1; background: var(--kem); display: grid; place-items: center; position: relative; border-bottom: 1px solid var(--ke); }
.sp .ph img { width: 100%; height: 100%; object-fit: cover; }
.sp .ph.trong { aspect-ratio: 4 / 3; }
.sp .ph .cho-anh { font-size: 11px; font-weight: 700; letter-spacing: 2px; color: #c9b8a8; text-transform: uppercase; text-align: center; padding: 0 10px; }
.sp .lbl { position: absolute; top: 10px; left: 10px; display: flex; gap: 4px; }
.sp .lbl span { font-size: 10.5px; font-weight: 800; letter-spacing: .5px; padding: 4px 9px; border-radius: 20px; text-transform: uppercase; }
.sp .lbl .hot { background: var(--vang); color: var(--nau); }
.sp .lbl .low { background: var(--trang); color: var(--do); border: 1px solid #ffd6c7; }
.sp .bd { padding: 14px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.sp .br { font-size: 10.5px; font-weight: 700; letter-spacing: 1.5px; color: var(--cam); text-transform: uppercase; }
.sp .nm { font-size: 14px; font-weight: 600; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 39px; }
.sp .ft { display: flex; align-items: center; justify-content: space-between; gap: 6px; margin-top: 8px; }
.sp .pr { font-family: var(--tieu-de); font-weight: 800; color: var(--cam-dam); font-size: 19px; }
.add { width: 38px; height: 38px; border-radius: 12px; border: 1.5px solid var(--cam-vien); background: var(--cam-nhat); color: var(--cam-dam); cursor: pointer; display: grid; place-items: center; }
.add:hover { background: var(--cam); color: #fff; border-color: var(--cam); }
.add svg.i { width: 18px; height: 18px; stroke-width: 2.4; }
.stepper { display: inline-flex; align-items: center; border: 1.5px solid var(--cam-vien); background: var(--cam-nhat); border-radius: 12px; }
.stepper button { width: 32px; height: 35px; border: 0; background: transparent; font-size: 18px; font-weight: 700; cursor: pointer; color: var(--cam-dam); }
.stepper span { min-width: 20px; text-align: center; font-weight: 800; }
.toolbar { display: grid; gap: 12px; margin-bottom: 20px; position: sticky; top: 73px; background: var(--kem); padding: 12px 0 8px; z-index: 5; }
.search { display: flex; align-items: center; gap: 10px; background: var(--trang); border: 1.5px solid var(--vien); border-radius: 14px; padding: 0 16px; color: var(--xam); }
.search input { border: 0; outline: 0; background: transparent; padding: 13px 0; flex: 1; min-width: 0; color: var(--nau); }

/* ---------- club ---------- */
.club-band { display: grid; gap: 28px; }
@media (min-width: 860px) { .club-band { grid-template-columns: 1fr 1.05fr; align-items: center; } }
.club-band p { color: var(--xam); }
.tier-row { display: grid; grid-template-columns: 14px 1fr; gap: 14px; padding: 15px 0; border-top: 1px solid var(--ke); }
.tier-row:first-child { border-top: 0; }
.tier-row .dot { width: 12px; height: 12px; border-radius: 50%; margin-top: 7px; }
.tier-row b { font-family: var(--tieu-de); font-size: 20px; font-weight: 800; }
.tier-row .req { font-size: 13px; color: var(--xam); font-weight: 600; }
.tier-row .ds { margin-top: 4px; font-size: 13.5px; line-height: 1.75; }
.tiers3 { display: grid; gap: 22px; padding-top: 14px; }
@media (min-width: 760px) { .tiers3 { grid-template-columns: 1fr 1fr 1.1fr; align-items: start; } }
.tiers3 .card { padding: 24px; position: relative; }
.tiers3 .card.vip { background: var(--nau); border-color: var(--nau); color: #fff; }
.tiers3 .card.vip h3 { color: #fff; }
.tiers3 .card.vip .req, .tiers3 .card.vip .ds { color: #f3e6da; }
.tiers3 .card.vip .nhan { position: absolute; top: -12px; left: 22px; }
.tiers3 h3 { font-size: 24px; }
.tiers3 .req { font-size: 13px; color: var(--xam); font-weight: 600; margin: 4px 0 12px; }
.mcard { aspect-ratio: 1.6; max-width: 400px; width: 100%; border-radius: 22px; padding: 22px; color: #fff; position: relative; overflow: hidden; background: var(--cam); box-shadow: var(--bong-cam); display: flex; flex-direction: column; justify-self: center; }
.mcard.silver { background: #6b7385; }
.mcard.gold { background: var(--nau); }
.mcard .hang { display: flex; align-items: center; gap: 10px; font-family: var(--tieu-de); font-weight: 800; font-size: 20px; position: relative; z-index: 1; }
.mcard .hang img { width: 36px; height: 36px; border-radius: 11px; }
.mcard .tn { margin-left: auto; font-family: var(--chu); font-size: 11px; font-weight: 700; letter-spacing: 1.5px; background: rgba(255,255,255,.2); padding: 5px 11px; border-radius: 20px; text-transform: uppercase; }
.mcard.gold .tn { background: var(--vang); color: var(--nau); }
.mcard .who { margin-top: auto; font-weight: 700; font-size: 18px; position: relative; z-index: 1; }
.mcard .code { font-size: 14px; letter-spacing: 3px; font-weight: 600; opacity: .9; position: relative; z-index: 1; }
.mcard .meo { position: absolute; right: -16px; bottom: -26px; width: 130px; }
.barcode { background: var(--trang); border: 1.5px solid var(--vien); border-radius: 14px; padding: 12px; margin-top: 12px; max-width: 400px; width: 100%; justify-self: center; }
.barcode svg { width: 100%; height: 60px; display: block; }
.progress { height: 8px; background: var(--ke); border-radius: 999px; overflow: hidden; }
.progress i { display: block; height: 100%; background: var(--cam); border-radius: 999px; }

/* ---------- form ---------- */
.form { display: grid; gap: 16px; }
.field label { display: block; font-weight: 700; font-size: 13.5px; margin-bottom: 6px; }
.field input, .field select, .field textarea { width: 100%; border: 1.5px solid var(--vien); border-radius: var(--bo-nho); padding: 12px 14px; background: var(--trang); outline: 0; transition: border-color .15s; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--cam); }
.field .hint { font-size: 12.5px; color: var(--xam); margin-top: 6px; }
.row2 { display: grid; gap: 14px; }
@media (min-width: 560px) { .row2 { grid-template-columns: 1fr 1fr; } }
.opt { display: flex; gap: 12px; align-items: flex-start; border: 1.5px solid var(--vien); border-radius: var(--bo-nho); padding: 13px 15px; cursor: pointer; background: var(--trang); }
.opt input { margin-top: 3px; accent-color: var(--cam); width: 18px; height: 18px; flex: none; }
.opt:has(input:checked) { border-color: var(--cam); background: var(--cam-nhat); }
.opt b { display: block; font-size: 14.5px; }
.opt .small { display: block; }
.err { background: #fff1ec; color: var(--do); border: 1.5px solid #ffd6c7; border-radius: var(--bo-nho); padding: 11px 14px; font-weight: 600; font-size: 14px; }
.note-ok { background: #effaf4; color: var(--xanh-la); border: 1.5px solid #cdeedd; border-radius: var(--bo-nho); padding: 11px 14px; font-weight: 600; font-size: 14px; }
.note-cam { background: var(--cam-nhat); color: var(--cam-dam); border: 1.5px solid #ffe0c7; border-radius: var(--bo-nho); padding: 11px 14px; font-weight: 600; font-size: 14px; }

/* ---------- đặt lịch ---------- */
.steps { display: flex; gap: 6px; margin: 18px 0 22px; }
.steps span { flex: 1; height: 4px; border-radius: 999px; background: var(--ke); }
.steps span.on { background: var(--cam); }
.book { display: grid; gap: 20px; }
.book > * { min-width: 0; }
@media (min-width: 900px) { .book { grid-template-columns: 1fr 340px; align-items: start; } .book .sum { position: sticky; top: 92px; } }
.book h3 { margin-bottom: 4px; }
.seg { display: inline-flex; border: 1.5px solid var(--vien); background: var(--trang); border-radius: 14px; padding: 4px; gap: 4px; }
.seg button { border: 0; background: transparent; padding: 9px 18px; border-radius: 10px; font-weight: 700; cursor: pointer; color: var(--xam); }
.seg button.on { background: var(--nau); color: #fff; }
.days { display: grid; grid-auto-flow: column; grid-auto-columns: 70px; gap: 8px; overflow-x: auto; padding: 14px 2px 6px; scrollbar-width: none; }
.days::-webkit-scrollbar { display: none; }
.day { border: 1.5px solid var(--vien); background: var(--trang); border-radius: 14px; padding: 9px 4px; text-align: center; cursor: pointer; position: relative; }
.day small { display: block; font-size: 11.5px; color: var(--xam); font-weight: 600; }
.day b { font-size: 21px; font-family: var(--tieu-de); line-height: 1.2; }
.day.on { border-color: var(--cam); background: var(--cam-nhat); }
.day .dot { position: absolute; top: -10px; left: 50%; transform: translateX(-50%); font-size: 9.5px; font-weight: 800; letter-spacing: .3px; background: var(--vang); color: var(--nau); border-radius: 10px; padding: 1px 6px; white-space: nowrap; }
.slots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
@media (min-width: 560px) { .slots { grid-template-columns: repeat(5, 1fr); } }
.slot { border: 1.5px solid var(--vien); background: var(--trang); border-radius: 12px; padding: 10px 4px; font-weight: 700; cursor: pointer; text-align: center; }
.slot small { display: block; font-weight: 600; font-size: 11px; color: var(--xanh-la); }
.slot small.it { color: var(--do); }
.slot.on { border-color: var(--cam); background: var(--cam); color: #fff; }
.slot.on small { color: #fff; }
.slot[disabled] { opacity: .4; cursor: not-allowed; }
.extras { display: grid; gap: 8px; }
@media (min-width: 560px) { .extras { grid-template-columns: repeat(3, 1fr); } }
.sum dl { display: grid; grid-template-columns: auto 1fr; gap: 8px 12px; margin: 14px 0; font-size: 14px; }
.sum dt { color: var(--xam); }
.sum dd { margin: 0; font-weight: 600; text-align: right; }
.sum .tot { display: flex; justify-content: space-between; align-items: baseline; border-top: 1px solid var(--ke); padding-top: 12px; font-weight: 700; }
.sum .tot b { font-family: var(--tieu-de); font-size: 28px; color: var(--cam-dam); }
.nav-btns { display: flex; gap: 10px; margin-top: 22px; }
.nav-btns .btn-cam { flex: 1; }

/* ---------- giỏ hàng ---------- */
.cart-line { display: grid; grid-template-columns: 56px 1fr auto; gap: 14px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--ke); }
.cart-line .ph { width: 56px; height: 56px; border-radius: 14px; background: var(--kem); border: 1px solid var(--ke); overflow: hidden; }
.cart-line .ph img { width: 100%; height: 100%; object-fit: cover; }
.cart-line .nm { font-weight: 600; font-size: 14px; line-height: 1.4; }
.cart-line .pr { font-weight: 800; color: var(--cam-dam); font-size: 14px; }
.empty { text-align: center; padding: 48px 10px; color: var(--xam); }
.empty img { width: 110px; margin: 0 auto 14px; }
.qr { max-width: 260px; margin: 12px auto; border-radius: 16px; border: 1.5px solid var(--vien); }
.done { max-width: 560px; margin: 0 auto; text-align: center; }
.done img.lv { width: 110px; margin: 0 auto 10px; }
.done h2 { margin-bottom: 10px; }

/* ---------- khách sạn ---------- */
table.gia { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 440px; }
table.gia th { text-align: left; font-size: 11.5px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--xam); font-weight: 700; padding: 10px 8px; }
table.gia td { padding: 12px 8px; border-top: 1px solid var(--ke); }
table.gia td.c { color: var(--cam-dam); font-weight: 800; font-family: var(--tieu-de); font-size: 20px; background: var(--cam-nhat); }
table.gia th.c { color: var(--cam-dam); background: var(--cam-nhat); border-radius: 10px 10px 0 0; }
table.gia td.n { font-family: var(--tieu-de); font-weight: 700; font-size: 18px; }

/* ---------- thông tin + footer ---------- */
.info-bar { display: grid; }
@media (min-width: 760px) { .info-bar { grid-template-columns: repeat(3, 1fr); } }
.info-bar > div { padding: 20px 24px; border-top: 1px solid var(--ke); }
.info-bar > div:first-child { border-top: 0; }
@media (min-width: 760px) { .info-bar > div { border-top: 0; border-left: 1.5px solid var(--vien); } .info-bar > div:first-child { border-left: 0; } }
.info-bar .lb { font-size: 11.5px; font-weight: 700; letter-spacing: 2px; color: var(--xam); text-transform: uppercase; margin-bottom: 6px; }
.info-bar b { font-size: 15.5px; }
.info-bar a { color: var(--cam-dam); font-weight: 700; }
.how { display: grid; gap: 18px; counter-reset: b; }
@media (min-width: 760px) { .how { grid-template-columns: repeat(3, 1fr); } }
.how > div { padding: 22px 24px; }
.how > div::before { counter-increment: b; content: "0" counter(b); display: block; font-family: var(--tieu-de); font-weight: 800; font-size: 30px; color: var(--cam); line-height: 1; margin-bottom: 10px; }
.how b { font-size: 16px; }
.how p { margin: 6px 0 0; color: var(--xam); font-size: 14px; }
footer { border-top: 1px solid var(--ke); padding: 36px 0 26px; margin-top: 30px; font-size: 14px; color: var(--xam); }
footer .wrap { display: grid; gap: 24px; }
@media (min-width: 760px) { footer .wrap { grid-template-columns: 1.4fr 1fr 1fr; } }
footer h3 { font-size: 18px; margin-bottom: 8px; }
footer a:hover { color: var(--cam-dam); }
footer .copy { grid-column: 1 / -1; border-top: 1px solid var(--ke); padding-top: 16px; font-size: 12px; }

/* ---------- thanh điều hướng dưới (điện thoại) ---------- */
.tabbar { position: fixed; bottom: 0; left: 0; right: 0; z-index: 40; background: rgba(255,255,255,.97); backdrop-filter: blur(10px); border-top: 1px solid var(--ke); display: grid; grid-template-columns: repeat(5, 1fr); padding: 6px 4px calc(6px + env(safe-area-inset-bottom)); }
.tabbar a { display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 11px; font-weight: 600; color: var(--xam); padding: 4px 0; position: relative; }
.tabbar a.on { color: var(--cam-dam); }
.tabbar a.mid .ic { width: 48px; height: 48px; margin-top: -22px; border-radius: 16px; background: var(--cam); color: #fff; display: grid; place-items: center; box-shadow: 0 8px 18px rgba(226, 96, 15, .3); border: 3px solid #fff; }
.tabbar .badge { top: -2px; right: calc(50% - 22px); border-color: #fff; }
@media (min-width: 900px) { .tabbar { display: none; } }
.fab-zalo { position: fixed; right: 16px; bottom: 86px; z-index: 35; width: 52px; height: 52px; border-radius: 50%; background: #0068ff; color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 13px; box-shadow: 0 8px 20px rgba(0, 104, 255, .3); }
@media (min-width: 900px) { .fab-zalo { bottom: 24px; } }
.toast { position: fixed; left: 50%; bottom: 92px; transform: translateX(-50%) translateY(16px); background: var(--nau); color: #fff; padding: 11px 18px; border-radius: 14px; font-weight: 600; font-size: 14px; opacity: 0; transition: .25s; z-index: 60; pointer-events: none; white-space: nowrap; max-width: calc(100vw - 32px); overflow: hidden; text-overflow: ellipsis; }
.toast.show { opacity: 1; transform: translateX(-50%); }
.page-head { padding: 36px 0 10px; }
.page-head h1 { font-size: clamp(34px, 6vw, 48px); }
.page-head p { margin: 10px 0 0; color: var(--xam); max-width: 560px; }
.skeleton { background: linear-gradient(90deg, #f6ede4, #fffaf4, #f6ede4); background-size: 200% 100%; animation: sk 1.2s infinite; border-radius: var(--bo); min-height: 220px; }
@keyframes sk { to { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

/* ---------- khách sạn (giống bản in 01/10/2026) ---------- */
.bang.ks .o-dau { min-height: 214px; }
.bang.ks .giua .o-dau { min-height: 240px; }
.bang.ks .cot0 .o-dau span { line-height: 1.6; }
.bang.ks .cot0 .o-dau em { font-style: normal; letter-spacing: 0; font-size: 14px; color: var(--cam); }
.bang.ks .cong.ghi { margin-top: 10px; }
.bang.ks .cong-them { font-size: 18px; margin-right: 2px; opacity: .8; }
.goi .gia .dv { font-size: 14px; color: var(--xam); font-weight: 600; margin-left: 3px; }
.goi .gia .phu { font-size: 13px; font-weight: 700; color: var(--xanh); margin-top: 4px; }
.ks-dt { padding-top: 64px; }
@media (min-width: 640px) and (max-width: 899px) { .goi-list.ba.ks-dt { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; } .goi-list.ba.ks-dt .goi.giua { order: -1; margin-top: 0; } }
.ks-tinh { margin-top: 24px; display: grid; gap: 20px; }
@media (min-width: 900px) { .ks-tinh { grid-template-columns: 1fr 1.1fr; column-gap: 36px; align-items: start; } .ks-tinh .tieu { grid-column: 1 / -1; } }
.ks-tinh h3 { margin: 4px 0 6px; }
.ks-tinh .lbl { font-size: 12px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--xam); margin: 4px 0 10px; }
.ks-tinh .chips { margin-bottom: 18px; }
.dem-so { display: inline-flex; align-items: center; border: 1.5px solid var(--cam-vien); background: var(--cam-nhat); border-radius: 12px; }
.dem-so button { border: 0; background: transparent; font-weight: 700; cursor: pointer; color: var(--cam-dam); }
.dem-so button { width: 42px; height: 42px; font-size: 20px; }
.dem-so span { min-width: 74px; text-align: center; font-weight: 800; font-size: 17px; }
.ks-tinh .tang, .ks-tinh .goiy { display: inline-block; margin-left: 12px; font-size: 13px; font-weight: 700; padding: 5px 12px; border-radius: 99px; vertical-align: middle; }
.ks-tinh .tang { background: var(--cam-nhat); color: var(--cam-dam); }
.ks-tinh .goiy { color: var(--xam); background: var(--kem); border: 1px dashed var(--vien); }
.ks-tinh .ket { display: grid; gap: 10px; }
.dong-kq { display: grid; grid-template-columns: 1fr auto; align-items: baseline; gap: 2px 12px; padding: 14px 18px; border: 1.5px solid var(--vien); border-radius: 16px; background: var(--trang); }
.dong-kq span { font-weight: 700; }
.dong-kq em { display: block; font-style: normal; font-size: 12.5px; font-weight: 600; color: var(--xam); }
.dong-kq b { font-family: var(--tieu-de); font-size: 22px; font-weight: 800; }
.dong-kq small { grid-column: 1 / -1; font-size: 13px; font-weight: 600; color: var(--xam); }
.dong-kq.giua { border: 2px solid var(--cam); background: var(--cam-nhat); box-shadow: var(--bong-cam); }
.dong-kq.giua b, .dong-kq.giua small { color: var(--cam-dam); }
.dong-kq.xanh b, .dong-kq.xanh small { color: var(--xanh); }
.ks-tinh .ket .btn { margin-top: 6px; }
.goi .gia .btn { white-space: nowrap; flex: none; }

/* ---------- Summit Club: thẻ tem + giới thiệu bạn ---------- */
.tem-the { padding: 16px 18px; }
.tem-dau { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }
.tem-dau span { font-weight: 800; color: var(--cam-dam); }
.tem-o { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-bottom: 10px; }
.tem-o span { aspect-ratio: 1; border-radius: 50%; border: 1.5px dashed var(--vien); display: grid; place-items: center; font-size: 12px; font-weight: 700; color: var(--xam); background: var(--trang); }
.tem-o span.co { border: 2px solid var(--cam); background: var(--cam-nhat); }
.tem-o span.co img { width: 62%; border-radius: 6px; }
.tem-o span.qua:not(.co) { border-color: var(--cam); color: var(--cam-dam); background: #fff7ef; }
.tem-the p { margin: 0; }
.gioi-thieu { padding: 16px 18px; }
.gioi-thieu p { margin: 6px 0 12px; }
.gt-nut { display: flex; gap: 8px; flex-wrap: wrap; }
.gt-nut .btn { flex: 1; white-space: nowrap; }
.tiers3 .tri-gia { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--vien); font-size: 13.5px; color: var(--xam); }
.tiers3 .tri-gia b { font-size: 18px; color: var(--cam-dam); font-family: var(--tieu-de); }
.tiers3 .vip .tri-gia { border-top-color: rgba(255,255,255,.25); color: #e9dccb; }
.tiers3 .vip .tri-gia b { color: #f7c001; font-size: 22px; }