/* =========================================================
   Hồ sơ Sym Phạm — nhận diện "Đường chỉ đỏ đô" (phương án 1)
   Màu: đỏ đô #7D1A26 · champagne #B8945C · hồng phấn #EAD7CC · kem #F7F1EA · nâu mực #2B2324
   Chữ: Playfair Display (tiêu đề) · Be Vietnam Pro (nội dung) · Dancing Script (viết tay)
   Làm cho điện thoại trước, màn hình lớn thì giãn ra.
   ========================================================= */
:root {
  --do: #7D1A26;
  --do-dam: #5E1019;
  --vang: #B8945C;
  --vang-chu: #7E5F31;      /* vàng đậm cho chữ nhỏ, đủ tương phản trên nền kem */
  --vang-sang: #E4C892;
  --hong: #EAD7CC;
  --hong-nhat: #F3E6DE;
  --kem: #F7F1EA;
  --giay: #FFFBF6;
  --muc: #2B2324;
  --muc-nhat: #6A5B57;
  --vien: #E6D6CB;
  --f-td: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --f-nd: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --f-tay: 'Dancing Script', 'Segoe Script', cursive;
  --bo: 20px;
  --bong: 0 1px 2px rgba(43, 35, 36, .05), 0 12px 32px -12px rgba(43, 35, 36, .18);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--kem); color: var(--muc);
  font: 400 16px/1.65 var(--f-nd); -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; }
h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2.5px solid var(--vang); outline-offset: 3px; border-radius: 6px; }

.khung { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.bt { width: 20px; height: 20px; flex: none; }
.bt--to { width: 28px; height: 28px; }

.bo-qua { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--do); color: #fff; padding: 10px 16px; border-radius: 10px; text-decoration: none; }
.bo-qua:focus { top: 12px; }

/* ---------- Nút ---------- */
.nut {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 0 26px; border-radius: 999px; border: 1.5px solid transparent;
  font-weight: 600; font-size: 15.5px; text-decoration: none; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.nut:hover { transform: translateY(-1px); }
.nut--chinh { background: var(--do); color: var(--kem); }
.nut--chinh:hover { background: var(--do-dam); }
.nut--vien { border-color: var(--do); color: var(--do); background: transparent; }
.nut--vien:hover { background: var(--do); color: var(--kem); }
.nut--nho { min-height: 40px; padding: 0 18px; font-size: 14px; }
.nut--rong { width: 100%; }

/* ---------- Đầu trang ---------- */
.dau-trang {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 241, 234, .9); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent; transition: border-color .25s, box-shadow .25s;
}
.dau-trang.da-cuon { border-color: var(--vien); box-shadow: 0 6px 24px -18px rgba(43, 35, 36, .5); }
.dau-trang__trong { display: flex; align-items: center; gap: 16px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; margin-right: auto; }
.logo img { width: 38px; height: 38px; }
.logo span { font-family: var(--f-td); font-size: 21px; font-weight: 500; color: var(--do); }
.menu { display: none; }
.dau-trang__phai { display: flex; align-items: center; gap: 10px; }
.nut-ngon-ngu {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--vien); font-size: 12.5px; font-weight: 600; letter-spacing: .06em; text-decoration: none; color: var(--muc);
}
.nut-ngon-ngu:hover { border-color: var(--do); color: var(--do); }

/* ---------- Mở đầu ---------- */
.mo-dau { position: relative; padding: 40px 0 64px; }
.mo-dau__luoi { display: grid; gap: 44px; }
.chu-tay { font-family: var(--f-tay); font-weight: 600; font-size: 30px; line-height: 1.2; color: #94713F; }
h1 {
  font-family: var(--f-td); font-weight: 500; color: var(--do);
  font-size: clamp(54px, 15vw, 104px); line-height: .98; letter-spacing: -.01em; margin-top: 4px;
}
.nghe { margin-top: 16px; font-size: 12.5px; font-weight: 600; letter-spacing: .26em; text-transform: uppercase; color: var(--vang-chu); }
.loi-dan { margin-top: 20px; font-size: 17.5px; line-height: 1.7; max-width: 36em; color: var(--muc); }
.hang-nut { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hang-nut .nut { flex: 1 1 200px; }

.mo-dau__anh { position: relative; width: min(100%, 420px); margin: 0 auto; padding: 14px; }
.vom {
  position: relative; aspect-ratio: 4 / 5; border-radius: 999px 999px 26px 26px; overflow: hidden;
  background: linear-gradient(160deg, var(--hong) 0%, #E3C9BC 100%);
}
.mo-dau__anh::before {
  content: ""; position: absolute; inset: 0; border: 1.5px dashed var(--vang); border-radius: 999px 999px 34px 34px; pointer-events: none;
}
.vom > img { width: 100%; height: 100%; object-fit: cover; }
.cho-anh { position: absolute; inset: 0; display: grid; place-items: center; }
.cho-anh img { width: 46%; opacity: .9; }
.the-noi {
  position: absolute; left: -4px; bottom: 34px; display: flex; flex-wrap: wrap; gap: 6px; max-width: 78%;
}
.the-noi li {
  background: var(--giay); color: var(--do); font-size: 12.5px; font-weight: 600; padding: 6px 12px; border-radius: 999px;
  box-shadow: var(--bong);
}
.duong-chi { position: absolute; left: 0; right: 0; bottom: 0; border-top: 1.5px dashed var(--vang); opacity: .55; }

/* ---------- Mục chung ---------- */
.muc { padding: 72px 0; }
.muc--giay { background: var(--giay); }
.muc--hong { background: var(--hong-nhat); }
.muc--do { background: var(--do); color: var(--kem); }
.nhan-muc {
  display: flex; align-items: center; gap: 12px; font-size: 12.5px; font-weight: 600; letter-spacing: .26em; text-transform: uppercase; color: var(--vang-chu);
}
.nhan-muc span { font-family: var(--f-td); font-style: italic; font-size: 17px; letter-spacing: 0; color: var(--vang); }
.nhan-muc::after { content: ""; width: 44px; border-top: 1.5px dashed var(--vang); }
h2 {
  font-family: var(--f-td); font-weight: 500; color: var(--do);
  font-size: clamp(34px, 8vw, 50px); line-height: 1.12; margin-top: 12px;
}
h2 em { font-style: italic; color: var(--vang-chu); }
.muc--do h2 { color: var(--kem); }
.muc--do h2 em, .muc--do .nhan-muc span { color: var(--vang-sang); }
.muc--do .nhan-muc { color: var(--vang-sang); }
.muc--do .nhan-muc::after { border-color: var(--vang-sang); }
.loi-dan-muc { margin-top: 16px; font-size: 16.5px; color: var(--muc-nhat); max-width: 40em; }
.muc--do .loi-dan-muc { color: rgba(247, 241, 234, .86); }
.dau-muc { margin-bottom: 36px; }
.nhan-nho { font-size: 12px; font-weight: 600; letter-spacing: .24em; text-transform: uppercase; color: var(--vang-chu); }

/* ---------- Giới thiệu ---------- */
.gioi-thieu { display: grid; gap: 48px; }
.doan { margin-top: 18px; font-size: 16.5px; }
.gioi-thieu .nhan-nho { margin-top: 30px; }
.nhan-the { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.nhan-the li { border: 1px solid var(--vien); background: var(--kem); border-radius: 999px; padding: 6px 14px; font-size: 14px; font-weight: 500; }
.diem-manh ol { margin-top: 10px; }
.diem-manh li { display: flex; gap: 18px; padding: 20px 0; border-bottom: 1.5px dashed var(--vien); }
.diem-manh li:last-child { border-bottom: 0; }
.diem-manh .so { font-family: var(--f-td); font-style: italic; font-size: 28px; line-height: 1; color: var(--vang); min-width: 40px; }
.diem-manh h3 { font-size: 17px; font-weight: 600; color: var(--muc); }
.diem-manh p { margin-top: 4px; color: var(--muc-nhat); font-size: 15.5px; }

/* ---------- Dịch vụ ---------- */
.luoi-dich-vu { display: grid; gap: 14px; margin-top: 36px; }
.o-dich-vu {
  background: var(--giay); border: 1px solid var(--vien); border-radius: var(--bo); padding: 24px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.o-dich-vu:hover { transform: translateY(-3px); box-shadow: var(--bong); border-color: var(--hong); }
.o-dich-vu .bt { color: var(--do); width: 46px; height: 46px; padding: 10px; border-radius: 50%; background: var(--hong-nhat); }
.o-dich-vu h3 { margin-top: 16px; font-family: var(--f-td); font-weight: 500; font-size: 22px; color: var(--do); }
.o-dich-vu p { margin-top: 6px; color: var(--muc-nhat); font-size: 15.5px; }

/* ---------- Dự án ---------- */
.luoi-du-an { display: grid; gap: 18px; }
.the-du-an {
  display: flex; flex-direction: column; width: 100%; height: 100%; padding: 0; text-align: left; cursor: pointer;
  background: var(--kem); border: 1px solid var(--vien); border-radius: var(--bo); overflow: hidden;
  transition: transform .25s, box-shadow .25s;
}
.the-du-an:hover { transform: translateY(-4px); box-shadow: var(--bong); }
.the-du-an__anh { position: relative; display: block; aspect-ratio: 4 / 3; overflow: hidden; background: var(--hong); }
.the-du-an__anh img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2, .7, .2, 1); }
.the-du-an:hover .the-du-an__anh img { transform: scale(1.04); }
.dem {
  position: absolute; right: 12px; bottom: 12px; display: inline-flex; align-items: center; gap: 6px;
  background: rgba(43, 35, 36, .78); color: #fff; font-size: 12.5px; font-weight: 500; padding: 6px 12px; border-radius: 999px;
}
.dem .bt { width: 15px; height: 15px; }
.the-du-an__chu { display: flex; flex-direction: column; gap: 6px; padding: 20px 22px 24px; }
.the-nho { font-size: 11.5px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--vang-chu); }
.the-du-an .ten { font-family: var(--f-td); font-size: 21px; font-weight: 500; line-height: 1.3; color: var(--do); }
.the-du-an .mo-ta { color: var(--muc-nhat); font-size: 15px; }

.khoi-ai {
  display: grid; gap: 26px; margin-top: 48px; padding: 30px 24px; border-radius: 24px;
  background: var(--kem); border: 1.5px dashed var(--vang);
}
.tieu-de-ai { font-family: var(--f-td); font-weight: 500; font-size: 26px; color: var(--do); }
.khoi-ai > div p { margin-top: 8px; color: var(--muc-nhat); }
.khoi-ai ul { display: grid; gap: 18px; }
.khoi-ai li { display: flex; gap: 14px; }
.khoi-ai li .bt { width: 40px; height: 40px; padding: 9px; border-radius: 12px; background: var(--giay); color: var(--do); border: 1px solid var(--vien); }
.khoi-ai h4 { font-size: 16px; font-weight: 600; }
.khoi-ai li p { font-size: 14.5px; color: var(--muc-nhat); margin-top: 2px; }

/* ---------- Bảng giá ---------- */
.bang-gia { display: grid; gap: 24px; }
.bang-gia__ds, .bang-gia__tu-van { background: var(--giay); border-radius: 24px; padding: 8px 22px 22px; box-shadow: var(--bong); }
.bang-gia__tu-van { padding-top: 26px; }
.dong-gia li { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 16px 0; border-bottom: 1.5px dashed var(--vien); }
.dong-gia h3 { font-size: 16px; font-weight: 600; line-height: 1.45; }
.dong-gia li p { font-size: 13.5px; color: var(--muc-nhat); margin-top: 2px; }
.gia { text-align: right; flex: none; max-width: 48%; }
.gia b { display: block; font-family: var(--f-td); font-weight: 600; font-size: 19px; color: var(--do); white-space: nowrap; }
.gia small { display: block; font-size: 12.5px; color: var(--muc-nhat); line-height: 1.4; }
.dong-gia--en .gia small { font-size: 13px; color: var(--vang-chu); font-weight: 500; }
.goi-thang {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 18px;
  background: var(--do); color: var(--kem); border-radius: 18px; padding: 20px;
}
.goi-thang .nhan-nho { color: var(--vang-sang); }
.goi-thang h3 { font-size: 16px; font-weight: 600; margin-top: 4px; }
.goi-thang .gia b { color: var(--kem); }
.goi-thang .gia small { color: rgba(247, 241, 234, .8); }
.tu-van-mo-ta { margin-top: 6px; color: var(--muc-nhat); font-size: 15px; }
.o-tu-van { margin-top: 18px; padding: 20px; border-radius: 18px; background: var(--kem); border: 1px solid var(--vien); }
.o-tu-van h3 { font-family: var(--f-td); font-size: 20px; font-weight: 500; color: var(--do); }
.o-tu-van p { margin-top: 6px; color: var(--muc-nhat); font-size: 15px; }
.o-tu-van .gia { text-align: left; max-width: none; margin-top: 12px; display: flex; align-items: baseline; gap: 6px; }
.bang-gia__tu-van > .nut { margin-top: 20px; }

/* ---------- Liên hệ ---------- */
.lien-he { display: grid; gap: 36px; }
.o-zalo {
  display: inline-flex; align-items: center; gap: 14px; margin-top: 26px; padding: 14px 22px 14px 16px;
  background: var(--kem); color: var(--do); border-radius: 18px; text-decoration: none; transition: transform .2s;
}
.o-zalo:hover { transform: translateY(-2px); }
.o-zalo small { display: block; font-size: 12px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--vang-chu); }
.o-zalo b { font-family: var(--f-td); font-size: 24px; font-weight: 600; }
.phieu { background: var(--kem); color: var(--muc); border-radius: 26px; padding: 26px 22px; display: grid; gap: 16px; box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .45); }
.o-nhap { display: grid; gap: 6px; }
.o-nhap > span { font-size: 14px; font-weight: 600; }
.o-nhap input, .o-nhap select, .o-nhap textarea {
  width: 100%; min-height: 50px; padding: 12px 14px; border-radius: 14px; border: 1.5px solid var(--vien);
  background: var(--giay); font-size: 16px; transition: border-color .2s, box-shadow .2s;
}
.o-nhap textarea { resize: vertical; min-height: 120px; }
.o-nhap select {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237D1A26' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; background-size: 18px; padding-right: 42px;
}
.o-nhap input:focus, .o-nhap select:focus, .o-nhap textarea:focus { outline: none; border-color: var(--do); box-shadow: 0 0 0 4px rgba(125, 26, 38, .12); }
.o-nhap input::placeholder, .o-nhap textarea::placeholder { color: #9C8C86; }
.o-bay { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.thong-bao { min-height: 0; font-size: 15px; font-weight: 500; border-radius: 12px; }
.thong-bao:not(:empty) { padding: 12px 14px; }
.thong-bao.xong { background: #E6F0E6; color: #24502C; }
.thong-bao.loi { background: #F8E1E1; color: #7D1A26; }
.rieng-tu { font-size: 13px; color: var(--muc-nhat); }
.phieu button[disabled] { opacity: .7; cursor: wait; transform: none; }

/* ---------- Chân trang ---------- */
.chan-trang { padding: 36px 0 44px; border-top: 1.5px dashed var(--vien); }
.chan-trang__trong { display: grid; gap: 14px; justify-items: center; text-align: center; font-size: 14.5px; color: var(--muc-nhat); }
.chan-trang b { color: var(--do); font-family: var(--f-td); font-weight: 500; font-size: 17px; }
.chan-trang a { color: var(--do); }

/* ---------- Xem ảnh lớn ---------- */
.xem {
  width: 100%; height: 100%; max-width: none; max-height: none; margin: 0; padding: 0; border: 0;
  background: rgba(24, 16, 17, .96); color: #fff; overscroll-behavior: contain;
}
.xem[open] { display: grid; grid-template-rows: auto 1fr; }
.xem::backdrop { background: rgba(24, 16, 17, .9); }
.xem__dau { display: flex; align-items: center; gap: 14px; padding: 12px 12px 12px 20px; }
.xem__ten { font-family: var(--f-td); font-size: 18px; margin-right: auto; line-height: 1.3; }
.xem__dem { font-size: 14px; opacity: .75; white-space: nowrap; }
.xem__than { position: relative; display: grid; place-items: center; padding: 8px 12px 72px; min-height: 0; touch-action: pan-y; }
.xem__than img, .xem__than video { max-width: 100%; max-height: calc(100dvh - 150px); width: auto; height: auto; object-fit: contain; border-radius: 6px; background: #000; }
.xem__nut {
  display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(255, 255, 255, .12); color: #fff; transition: background .2s;
}
.xem__nut:hover { background: rgba(255, 255, 255, .24); }
.xem__truoc, .xem__sau { position: absolute; bottom: 14px; }
.xem__truoc { left: calc(50% - 56px); }
.xem__sau { left: calc(50% + 10px); }
.xem.mot-anh .xem__truoc, .xem.mot-anh .xem__sau { display: none; }

/* ---------- Hiện dần: phần mở đầu chạy ngay, phần dưới hiện khi cuộn tới ---------- */
@keyframes vao { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.vao { animation: vao .9s cubic-bezier(.2, .7, .2, 1) both; }
.vao--2 { animation-delay: .15s; }
.co-js .hien { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1); }
.co-js .hien.da-hien { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .co-js .hien { opacity: 1; transform: none; transition: none; }
  .vao { animation: none; }
  .nut:hover, .o-dich-vu:hover, .the-du-an:hover, .o-zalo:hover { transform: none; }
  .the-du-an:hover .the-du-an__anh img { transform: none; }
}

/* ---------- Màn hình vừa và lớn ---------- */
@media (min-width: 600px) {
  .khung { padding: 0 32px; }
  .luoi-dich-vu { grid-template-columns: repeat(2, 1fr); }
  .luoi-du-an { grid-template-columns: repeat(2, 1fr); }
  .khoi-ai ul { grid-template-columns: repeat(2, 1fr); }
  .hang-nut .nut { flex: 0 0 auto; }
  .phieu { padding: 34px 32px; }
  .bang-gia__ds, .bang-gia__tu-van { padding-left: 30px; padding-right: 30px; }
}
@media (min-width: 900px) {
  .menu { display: flex; gap: 4px; margin-right: 8px; }
  .menu a { text-decoration: none; font-size: 14.5px; font-weight: 500; padding: 8px 12px; border-radius: 999px; transition: background .2s, color .2s; }
  .menu a:hover { background: var(--hong-nhat); color: var(--do); }
  .logo { margin-right: 0; }
  .dau-trang__trong { justify-content: space-between; height: 72px; }
  .mo-dau { padding: 64px 0 96px; }
  .mo-dau__luoi { grid-template-columns: 1.15fr .85fr; align-items: center; gap: 64px; }
  .mo-dau__anh { margin: 0 0 0 auto; }
  .muc { padding: 104px 0; }
  .gioi-thieu { grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
  .diem-manh { padding-top: 54px; }
  .luoi-dich-vu { grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .o-dich-vu { padding: 30px; }
  .luoi-du-an { grid-template-columns: repeat(3, 1fr); gap: 22px; }
  .luoi-du-an li:first-child { grid-column: span 2; }
  .luoi-du-an li:first-child .the-du-an__anh { aspect-ratio: 1 / 1; }
  .luoi-du-an li:first-child .the-du-an { display: grid; grid-template-columns: 1fr 1fr; align-items: center; }
  .luoi-du-an li:first-child .the-du-an__chu { justify-content: center; padding: 32px; }
  .luoi-du-an li:first-child .ten { font-size: 28px; }
  .khoi-ai { grid-template-columns: .8fr 1.2fr; padding: 40px; gap: 40px; }
  .bang-gia { grid-template-columns: 1.35fr .65fr; align-items: start; gap: 28px; }
  .lien-he { grid-template-columns: .9fr 1.1fr; gap: 72px; align-items: start; }
  .chan-trang__trong { grid-template-columns: auto 1fr auto; justify-items: start; text-align: left; gap: 18px; align-items: center; }
  .xem__than { padding: 8px 90px 24px; }
  .xem__than img, .xem__than video { max-height: calc(100dvh - 100px); }
  .xem__truoc, .xem__sau { top: 50%; bottom: auto; transform: translateY(-50%); width: 54px; height: 54px; }
  .xem__truoc { left: 20px; }
  .xem__sau { left: auto; right: 20px; }
}

/* =========================================================
   Trang đặt lịch tư vấn (/dat-lich/, /en/book/)
   ========================================================= */
.o-dat-lich { margin-left: 0; }
.lien-he .o-zalo + .o-dat-lich { margin-top: 12px; }
.lien-he .o-zalo { display: flex; width: fit-content; }
.trang-dat-lich { padding: 32px 0 72px; }
.dat-lich { display: grid; gap: 32px; align-items: start; }
.h1-nho { font-size: clamp(40px, 10vw, 58px); line-height: 1.08; }
.h1-nho em { font-style: italic; color: var(--vang-chu); white-space: nowrap; }
.thong-tin-lich { display: grid; gap: 0; margin: 24px 0 26px; border-top: 1.5px dashed var(--vien); }
.thong-tin-lich div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1.5px dashed var(--vien); }
.thong-tin-lich dt { color: var(--muc-nhat); font-size: 15px; }
.thong-tin-lich dd { margin: 0; font-weight: 600; text-align: right; }
.khung-gio { display: grid; gap: 8px; margin-top: 10px; }
.khung-gio li { display: flex; align-items: center; gap: 10px; font-size: 15.5px; }
.khung-gio .bt { color: var(--do); }

.phieu--dat { gap: 22px; grid-template-columns: minmax(0, 1fr); }
.buoc { border: 0; margin: 0; padding: 0; min-width: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.buoc > *, .lich-trong { min-width: 0; }
.buoc legend { display: flex; align-items: center; gap: 10px; padding: 0; margin-bottom: 12px; font-family: var(--f-td); font-size: 21px; color: var(--do); }
.buoc legend span { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--do); color: var(--kem); font-family: var(--f-nd); font-size: 14px; font-weight: 600; }
.buoc + .buoc { padding-top: 20px; border-top: 1.5px dashed var(--vien); }

.chon-goi { display: grid; gap: 10px; }
.o-goi { position: relative; display: block; cursor: pointer; }
.o-goi input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.o-goi > span { display: grid; gap: 4px; padding: 14px 16px 14px 46px; border: 1.5px solid var(--vien); border-radius: 16px; background: var(--giay); transition: border-color .2s, background .2s; position: relative; }
.o-goi > span::before { content: ""; position: absolute; left: 16px; top: 17px; width: 18px; height: 18px; border-radius: 50%; border: 1.5px solid var(--vang); background: var(--giay); }
.o-goi b { font-size: 15.5px; }
.o-goi small { font-size: 13.5px; color: var(--muc-nhat); }
.o-goi input:checked + span { border-color: var(--do); background: #FBF1EC; }
.o-goi input:checked + span::before { border: 5px solid var(--do); }
.o-goi input:focus-visible + span { outline: 2.5px solid var(--vang); outline-offset: 2px; }

.lich-trong__tai { padding: 18px; border-radius: 14px; background: var(--giay); border: 1.5px dashed var(--vien); color: var(--muc-nhat); font-size: 15px; }
.hang-ngay { -webkit-mask-image: linear-gradient(90deg, #000 88%, transparent); mask-image: linear-gradient(90deg, #000 88%, transparent); padding-right: 28px !important; display: flex; gap: 8px; overflow-x: auto; padding: 2px 2px 8px; margin: 0 -2px; scroll-snap-type: x proximity; -webkit-overflow-scrolling: touch; }
.o-ngay {
  flex: none; display: grid; justify-items: center; gap: 1px; min-width: 66px; padding: 10px 8px; scroll-snap-align: start;
  border: 1.5px solid var(--vien); border-radius: 14px; background: var(--giay); cursor: pointer; transition: border-color .2s, background .2s, color .2s;
}
.o-ngay span { font-size: 12.5px; font-weight: 600; color: var(--vang-chu); text-transform: uppercase; }
.o-ngay b { font-family: var(--f-td); font-size: 18px; font-weight: 600; color: var(--muc); }
.o-ngay small { font-size: 11.5px; color: var(--muc-nhat); }
.o-ngay small::after { content: " ●"; color: var(--vang); }
.o-ngay[aria-selected="true"] { background: var(--do); border-color: var(--do); }
.o-ngay[aria-selected="true"] span, .o-ngay[aria-selected="true"] b, .o-ngay[aria-selected="true"] small { color: var(--kem); }
.hang-gio { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; margin-top: 4px; }
.o-gio {
  display: grid; gap: 2px; padding: 12px 14px; min-height: 52px; text-align: left; cursor: pointer;
  border: 1.5px solid var(--vien); border-radius: 14px; background: var(--giay); transition: border-color .2s, background .2s;
}
.o-gio b { font-size: 16px; }
.o-gio small { font-size: 12.5px; color: var(--muc-nhat); }
.o-gio:hover, .o-ngay:hover { border-color: var(--vang); }
.o-gio[aria-pressed="true"] { border-color: var(--do); background: #FBF1EC; box-shadow: inset 0 0 0 1px var(--do); }
.o-nhap-luoi { display: grid; gap: 14px; }
.gio-da-chon { padding: 12px 14px; border-radius: 12px; background: var(--hong-nhat); color: var(--do); font-weight: 600; font-size: 15px; }

.da-dat { gap: 14px; }
.da-dat:focus { outline: none; }
.da-dat__dau { display: flex; align-items: center; gap: 12px; }
.da-dat__dau .bt { color: var(--kem); background: var(--do); width: 48px; height: 48px; padding: 11px; border-radius: 50%; }
.da-dat h2 { margin: 0; font-size: 34px; }
.da-dat__gio { font-weight: 600; font-size: 17px; color: var(--do); }
.da-dat__nhac { color: var(--muc-nhat); font-size: 14.5px; }
.da-dat .hang-nut { margin-top: 6px; }
.lien-ket { color: var(--do); font-weight: 500; }
[hidden] { display: none !important; }

@media (min-width: 600px) {
  .o-nhap-luoi { grid-template-columns: 1fr 1fr; }
  .o-nhap--rong { grid-column: 1 / -1; }
}
@media (min-width: 960px) {
  .trang-dat-lich { padding: 64px 0 104px; }
  .dat-lich { grid-template-columns: .8fr 1.2fr; gap: 64px; }
  .dat-lich__gioi-thieu { position: sticky; top: 104px; }
  .da-dat { grid-column: 2; }
}

/* ---------- Khung chuyển khoản (mã VietQR) ---------- */
.thanh-toan { gap: 16px; }
.thanh-toan:focus { outline: none; }
.thanh-toan__dau { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; }
.thanh-toan h2 { margin: 0; font-size: 30px; }
.dem-nguoc { display: inline-flex; align-items: baseline; gap: 8px; padding: 8px 14px; border-radius: 999px; background: var(--hong-nhat); color: var(--do); font-size: 14px; font-weight: 500; }
.dem-nguoc b { font-family: var(--f-td); font-size: 22px; font-variant-numeric: tabular-nums; }
.dem-nguoc.gan-het { background: #F8E1E1; }
.thanh-toan__gio { font-weight: 600; color: var(--do); }
.thanh-toan__loi-dan { color: var(--muc-nhat); font-size: 15px; }
.ck { display: grid; gap: 18px; }
.ck__qr { margin: 0; justify-self: center; width: min(100%, 290px); background: #fff; border-radius: 18px; padding: 12px 12px 10px; border: 1.5px solid var(--vien); box-shadow: var(--bong); }
.ck__qr .qr svg { width: 100%; height: auto; display: block; }
.ck__qr figcaption { text-align: center; font-size: 12.5px; font-weight: 600; letter-spacing: .08em; color: var(--muc-nhat); margin-top: 6px; }
.ck__dong { display: grid; margin: 0; border-top: 1.5px dashed var(--vien); }
.ck__dong > div { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1.5px dashed var(--vien); }
.ck__dong dt { color: var(--muc-nhat); font-size: 14px; flex: none; }
.ck__dong dd { margin: 0; display: flex; align-items: center; gap: 8px; text-align: right; font-weight: 600; min-width: 0; }
.ck__dong dd span, .ck__dong dd b { white-space: nowrap; font-variant-numeric: tabular-nums; }
.ck__dong dd b { color: var(--do); font-size: 17px; }
.chep { flex: none; border: 1px solid var(--vien); background: var(--giay); color: var(--do); font-size: 12.5px; font-weight: 600; padding: 5px 10px; border-radius: 999px; cursor: pointer; }
.chep:hover { border-color: var(--do); }
.chep.da-chep { background: #E6F0E6; color: #24502C; border-color: #BFD8BF; }
.ck__chi-tiet { display: grid; gap: 12px; align-content: start; }
.ck__goi-y, .ck__ghi-chu { font-size: 13.5px; color: var(--muc-nhat); }
.tinh-trang { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 12px; background: var(--giay); border: 1.5px dashed var(--vang); font-size: 15px; font-weight: 500; }
.tinh-trang .cham { flex: none; width: 10px; height: 10px; border-radius: 50%; background: var(--vang); animation: nhay 1.4s ease-in-out infinite; }
.tinh-trang.loi { border-color: #E2B7B7; background: #F8E1E1; color: var(--do); }
.tinh-trang.loi .cham { background: var(--do); animation: none; }
@keyframes nhay { 50% { opacity: .25; transform: scale(.7); } }
@media (prefers-reduced-motion: reduce) { .tinh-trang .cham { animation: none; } }
@media (min-width: 600px) {
  .ck { grid-template-columns: 250px 1fr; align-items: start; }
  .ck__qr { justify-self: stretch; }
}
@media (min-width: 960px) {
  .thanh-toan { grid-column: 2; }
}