/* Hannah — giao diện "tạp chí thời trang": màu CV (vàng be + than), chữ Montserrat */
:root {
  --be: #a8936a;
  --be-dam: #8a774f;
  --be-sang: #e2cfa6;
  --be-nhat: #f1eadc;
  --kem: #f7f3ec;
  --than: #1f1e1c;
  --chu: #34322e;
  --mo: #6f6a60;
  --vien: #ddd3c2;
  --trang: #fffdf9;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Montserrat", "Segoe UI", Arial, sans-serif;
  background: var(--kem); color: var(--chu);
  font-size: 16px; line-height: 1.7; overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
::selection { background: var(--be); color: #fff; }

/* ---------- Hiệu ứng hiện dần khi cuộn ---------- */
.hien { opacity: 0; transform: translateY(36px); transition: opacity .9s ease, transform .9s cubic-bezier(.2,.7,.2,1); }
.hien.da-hien { opacity: 1; transform: none; }
.hien.tre-1 { transition-delay: .12s; } .hien.tre-2 { transition-delay: .24s; } .hien.tre-3 { transition-delay: .36s; }
@media (prefers-reduced-motion: reduce) {
  .hien { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Thanh menu ---------- */
.menu { position: sticky; top: 0; z-index: 20; background: rgba(247,243,236,.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--vien); }
.menu .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { font-weight: 800; letter-spacing: 4px; text-decoration: none; color: var(--than); font-size: 14px; }
.logo span { color: var(--be); }
.menu nav { display: flex; gap: 28px; }
.menu nav a { text-decoration: none; font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--mo); position: relative; }
.menu nav a::after { content: ""; position: absolute; left: 0; bottom: -4px; width: 0; height: 2px; background: var(--be); transition: .3s; }
.menu nav a:hover { color: var(--than); }
.menu nav a:hover::after { width: 100%; }
.menu .nut { padding: 9px 18px; font-size: 12px; }

/* ---------- Nút ---------- */
.nut {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  text-decoration: none; font-weight: 700; font-size: 13px; letter-spacing: 1px; text-transform: uppercase;
  padding: 15px 28px; border-radius: 999px; border: 2px solid var(--than); transition: .25s;
}
.nut.chinh { background: var(--than); color: var(--be-sang); }
.nut.chinh:hover { background: var(--be); border-color: var(--be); color: #fff; }
.nut.vien { color: var(--than); background: transparent; }
.nut.vien:hover { background: var(--than); color: var(--be-sang); }
.nut.trang { background: var(--be-sang); color: var(--than); border-color: var(--be-sang); }
.nut.trang:hover { background: #fff; border-color: #fff; }
.mui-ten { transition: transform .25s; }
.nut:hover .mui-ten { transform: translateX(4px); }

/* ---------- Nhãn kiểu tạp chí ---------- */
.nhan { font-size: 12px; font-weight: 700; letter-spacing: 4px; text-transform: uppercase; color: var(--be-dam); display: inline-flex; align-items: center; gap: 12px; }
.nhan::before { content: ""; width: 28px; height: 2px; background: currentColor; }

/* ---------- Đầu trang (bìa tạp chí) ---------- */
.bia { position: relative; padding: 28px 0 0; overflow: hidden; }
.bia .meta { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 11px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--mo); border-bottom: 2px solid var(--than); padding-bottom: 12px; }
.bia .ten-lon { font-weight: 900; line-height: .82; letter-spacing: -.04em; color: var(--than); margin-top: 26px; position: relative; z-index: 0; pointer-events: none; }
.bia .ten-lon span { display: block; font-size: clamp(72px, 12.5vw, 176px); }
.bia .ten-lon .dong-2 { color: var(--be); padding-left: 18%; }
.bia .luoi { display: grid; grid-template-columns: 1fr 1.05fr 1fr; gap: 32px; align-items: end; margin-top: -3.2vw; position: relative; }
.bia .cot-trai { padding-bottom: 40px; position: relative; z-index: 3; }
.bia .chuc-danh { font-size: 15px; font-weight: 800; color: var(--than); line-height: 1.45; }
.bia .chuc-danh em { font-style: normal; color: var(--be-dam); display: block; font-weight: 600; font-size: 13px; letter-spacing: 1px; margin-top: 6px; }
.bia .vi-tri { margin-top: 18px; font-size: 13px; color: var(--mo); }
.bia .anh { position: relative; z-index: 2; }
.bia .anh img { width: 100%; aspect-ratio: 4/5; object-fit: cover; object-position: 50% 25%; border-radius: 220px 220px 0 0; filter: saturate(1.05); }
.bia .anh .tem {
  position: absolute; right: -26px; top: 26%; z-index: 3; width: 118px; height: 118px; border-radius: 50%;
  background: var(--be); color: #fff; display: grid; place-items: center; text-align: center;
  font-size: 11px; font-weight: 800; letter-spacing: 1px; line-height: 1.25; text-transform: uppercase;
  transform: rotate(-12deg); box-shadow: 0 12px 30px rgba(31,30,28,.2);
  animation: xoay 14s linear infinite;
}
.bia .anh .tem b { display: block; font-size: 26px; letter-spacing: 0; }
@keyframes xoay { 0%,100% { transform: rotate(-12deg) scale(1); } 50% { transform: rotate(6deg) scale(1.05); } }
.bia .cot-phai { padding-bottom: 40px; z-index: 3; }
.bia .gioi-thieu { font-size: 15px; color: var(--chu); }
.bia .cac-nut { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.chu-doc {
  position: absolute; left: 6px; top: 50%; transform: rotate(-90deg) translateX(-50%); transform-origin: left top;
  font-size: 11px; font-weight: 800; letter-spacing: 6px; text-transform: uppercase; color: var(--be-dam); white-space: nowrap;
}

/* ---------- Con số ---------- */
.con-so { background: var(--than); color: #fff; padding: 56px 0; }
.con-so .wrap { display: grid; grid-template-columns: 1fr .75fr 1fr 1fr 1.3fr; }
.con-so b { white-space: nowrap; }
.con-so .o-so { padding: 4px 22px; border-left: 1px solid #3d3a35; }
.con-so .o-so:first-child { border-left: 0; padding-left: 0; }
.con-so b { display: block; font-size: clamp(34px, 4.4vw, 58px); font-weight: 900; color: var(--be-sang); line-height: 1; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.con-so span { display: block; font-size: 13px; color: #c9c2b4; margin-top: 12px; line-height: 1.5; }

/* ---------- Khối chung ---------- */
section.khoi { padding: 110px 0; position: relative; }
section.khoi.nen-trang { background: var(--trang); }
.tieu-de-khoi { margin-bottom: 56px; display: grid; grid-template-columns: auto 1fr; gap: 10px 40px; align-items: end; }
.tieu-de-khoi .so-muc { font-size: clamp(64px, 9vw, 130px); font-weight: 900; line-height: .8; color: var(--be-sang); grid-row: span 2; }
.tieu-de-khoi h2 { font-size: clamp(32px, 5vw, 64px); font-weight: 900; color: var(--than); line-height: 1.02; letter-spacing: -.03em; }
.tieu-de-khoi h2 i { font-style: italic; font-weight: 300; color: var(--be-dam); }
.tieu-de-khoi p { color: var(--mo); max-width: 560px; }

/* ---------- Giới thiệu ---------- */
.hai-cot { display: grid; grid-template-columns: 1.35fr 1fr; gap: 64px; }
.trich-lon { font-size: clamp(22px, 2.6vw, 32px); font-weight: 300; line-height: 1.4; color: var(--than); margin-bottom: 48px; }
.trich-lon b { font-weight: 800; background: linear-gradient(transparent 62%, var(--be-sang) 62%); }
.moc { display: grid; grid-template-columns: 130px 1fr; gap: 24px; padding: 26px 0; border-top: 1px solid var(--vien); }
.moc:last-child { border-bottom: 1px solid var(--vien); }
.moc .tg { font-size: 12px; font-weight: 800; letter-spacing: 1px; color: var(--be-dam); padding-top: 4px; }
.moc h3 { font-size: 20px; font-weight: 800; color: var(--than); line-height: 1.3; }
.moc .cty { font-size: 13px; color: var(--mo); font-weight: 600; margin: 2px 0 10px; text-transform: uppercase; letter-spacing: 1px; }
.moc ul { padding-left: 18px; font-size: 15px; }
.moc li { margin-bottom: 4px; }
.moc li::marker { color: var(--be); }
.the { padding: 30px; background: var(--trang); border: 1px solid var(--vien); margin-bottom: 22px; position: relative; }
section.nen-trang .the { background: var(--kem); }
.the h3 { font-size: 12px; font-weight: 800; letter-spacing: 3px; text-transform: uppercase; color: var(--be-dam); margin-bottom: 18px; }
.the.toi { background: var(--than); color: #e9e3d8; border-color: var(--than); }
.the.toi h3 { color: var(--be-sang); }
.nhan-ky-nang { display: flex; flex-wrap: wrap; gap: 8px; }
.nhan-ky-nang span { border: 1.5px solid var(--than); color: var(--than); font-size: 13px; font-weight: 700; padding: 7px 14px; border-radius: 999px; transition: .25s; }
.nhan-ky-nang span:hover { background: var(--than); color: var(--be-sang); transform: rotate(-2deg); }
.cong-cu { list-style: none; font-size: 14px; }
.cong-cu li { padding: 12px 0; border-bottom: 1px solid #3d3a35; }
.cong-cu li:last-child { border-bottom: 0; }
.cong-cu b { color: var(--be-sang); display: block; font-size: 12px; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 2px; }

/* ---------- Dự án: trượt ngang ---------- */
.dau-truot { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 30px; flex-wrap: wrap; }
.nut-truot { display: flex; gap: 10px; }
.nut-truot button {
  width: 54px; height: 54px; border-radius: 50%; border: 2px solid var(--than); background: transparent;
  font-size: 20px; cursor: pointer; color: var(--than); transition: .25s; font-family: inherit;
}
.nut-truot button:hover { background: var(--than); color: var(--be-sang); }
.duong-truot {
  display: flex; gap: 26px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding-left: max(24px, calc((100vw - 1240px) / 2 + 24px));
  padding: 6px max(24px, calc((100vw - 1240px) / 2 + 24px)) 30px; scrollbar-width: thin; scrollbar-color: var(--be) transparent;
  -webkit-overflow-scrolling: touch;
}
.duong-truot::-webkit-scrollbar { height: 6px; }
.duong-truot::-webkit-scrollbar-thumb { background: var(--be); border-radius: 6px; }
.du-an {
  flex: 0 0 min(520px, 82vw); scroll-snap-align: start; text-decoration: none; color: var(--than);
  display: flex; flex-direction: column;
}
.du-an .hinh { position: relative; aspect-ratio: 4/5; overflow: hidden; background: var(--than); }
.du-an .hinh img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s cubic-bezier(.2,.7,.2,1); }
.du-an:hover .hinh img { transform: scale(1.06); }
.du-an .hinh::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(20,19,17,.82)); }
.du-an .so-du-an { position: absolute; top: 14px; left: 18px; z-index: 2; font-size: 76px; font-weight: 900; line-height: 1; color: rgba(255,255,255,.92); }
.du-an .tren-anh { position: absolute; left: 22px; right: 22px; bottom: 22px; z-index: 2; color: #fff; }
.du-an .loai { font-size: 11px; font-weight: 800; letter-spacing: 3px; text-transform: uppercase; color: var(--be-sang); }
.du-an h3 { font-size: clamp(22px, 2.4vw, 30px); font-weight: 900; line-height: 1.12; letter-spacing: -.02em; margin-top: 8px; }
.du-an .hinh.chu { display: flex; align-items: center; justify-content: center; background: var(--than); }
.du-an .hinh.chu .so-to { font-size: clamp(88px, 11vw, 150px); font-weight: 900; color: var(--be-sang); letter-spacing: -.05em; line-height: 1; transform: translateY(-30px); }
.du-an .hinh.chu .so-to small { display: block; font-size: 14px; letter-spacing: 1px; font-weight: 600; color: #c9c2b4; text-align: center; margin-top: 10px; }
.du-an .hinh.chu.be { background: var(--be); }
.du-an .hinh.chu.be .so-to { color: var(--than); }
.du-an .hinh.chu.be .so-to small { color: #2f2b23; }
.du-an .duoi { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 2px 0; }
.du-an p { font-size: 14px; color: var(--mo); }
.du-an .xem { flex: 0 0 46px; height: 46px; border-radius: 50%; border: 2px solid var(--than); display: grid; place-items: center; font-weight: 800; transition: .25s; }
.du-an:hover .xem { background: var(--be); border-color: var(--be); color: #fff; transform: rotate(-45deg); }

/* ---------- Dịch vụ ---------- */
.mien-phi {
  background: var(--be); color: var(--than); padding: 54px; margin-bottom: 40px; position: relative; overflow: hidden;
  display: grid; grid-template-columns: 1.5fr auto; gap: 30px; align-items: center;
}
.mien-phi::before { content: "FREE"; position: absolute; right: -10px; bottom: -46px; font-size: 150px; font-weight: 900; color: rgba(255,255,255,.12); letter-spacing: -.05em; pointer-events: none; }
.mien-phi .nhan { color: var(--than); }
.mien-phi h3 { max-width: 640px; font-size: clamp(28px, 4vw, 48px); font-weight: 900; line-height: 1.05; letter-spacing: -.03em; margin: 12px 0 14px; }
.mien-phi p { font-size: 15px; max-width: 560px; color: #2f2b23; }
.mien-phi .nut { position: relative; }
.luoi-dv { border-top: 2px solid var(--than); }
.dv { display: grid; grid-template-columns: 90px 1fr 1.2fr auto; gap: 26px; align-items: center; padding: 30px 0; border-bottom: 1px solid var(--vien); transition: .3s; }
.dv:hover { background: var(--trang); padding-left: 16px; padding-right: 16px; }
.dv .so { font-size: 42px; font-weight: 900; color: var(--be); line-height: 1; }
.dv h3 { font-size: clamp(20px, 2.2vw, 26px); font-weight: 900; color: var(--than); letter-spacing: -.02em; line-height: 1.2; }
.dv ul { list-style: none; font-size: 14px; color: var(--mo); }
.dv li::before { content: "— "; color: var(--be); }
.dv .nut { padding: 12px 20px; font-size: 12px; white-space: nowrap; }

/* ---------- Liên hệ ---------- */
.lien-he { background: var(--than); color: #e9e3d8; padding: 110px 0 60px; overflow: hidden; }
.lien-he .nhan { color: var(--be-sang); }
.lien-he .chu-khong-lo { font-size: clamp(56px, 12vw, 170px); font-weight: 900; line-height: .9; letter-spacing: -.05em; color: #fff; margin: 22px 0 40px; }
.lien-he .chu-khong-lo i { font-style: italic; font-weight: 300; color: var(--be-sang); }
.lien-he .hang { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: end; }
.lien-he p { color: #c9c2b4; max-width: 520px; }
.kenh { display: grid; gap: 4px; }
.kenh a { display: flex; justify-content: space-between; align-items: center; gap: 16px; text-decoration: none; padding: 20px 0; border-bottom: 1px solid #3d3a35; transition: .3s; }
.kenh a:hover { padding-left: 12px; border-color: var(--be); }
.kenh small { display: block; font-size: 11px; color: #9b9486; text-transform: uppercase; letter-spacing: 2px; }
.kenh b { color: #fff; font-size: clamp(16px, 2vw, 22px); word-break: break-word; }
.kenh .mui-ten { color: var(--be-sang); font-size: 22px; }

footer { background: var(--than); color: #8b8478; font-size: 12px; letter-spacing: 1px; padding: 26px 24px; border-top: 1px solid #3d3a35; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

/* ================= Trang chi tiết dự án ================= */
.dau-du-an { padding: 40px 0 0; position: relative; overflow: hidden; }
.quay-lai { font-size: 12px; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; color: var(--be-dam); text-decoration: none; }
.dau-du-an .so-nen { position: absolute; right: -2vw; top: 10px; font-size: clamp(160px, 30vw, 400px); font-weight: 900; line-height: .8; color: var(--be-nhat); pointer-events: none; z-index: 0; }
.dau-du-an .wrap { position: relative; z-index: 1; }
.dau-du-an h1 { font-size: clamp(36px, 6.4vw, 86px); line-height: .98; color: var(--than); font-weight: 900; letter-spacing: -.04em; margin: 22px 0 24px; max-width: 1000px; }
.dau-du-an .mo-ta { max-width: 720px; font-size: 18px; font-weight: 400; }
.thong-tin-nhanh { display: flex; flex-wrap: wrap; gap: 0; margin-top: 30px; border-top: 2px solid var(--than); border-bottom: 1px solid var(--vien); }
.thong-tin-nhanh span { padding: 14px 22px 14px 0; margin-right: 22px; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; border-right: 1px solid var(--vien); }
.thong-tin-nhanh span:last-child { border-right: 0; }
.anh-bia { margin-top: 40px; overflow: hidden; }
.anh-bia img { width: 100%; max-height: 640px; object-fit: cover; }
.noi-dung-du-an h2 { font-size: clamp(28px, 4vw, 48px); color: var(--than); font-weight: 900; letter-spacing: -.03em; line-height: 1.05; margin-bottom: 34px; }
.noi-dung-du-an h2 small { display: flex; align-items: center; gap: 12px; font-size: 12px; letter-spacing: 4px; color: var(--be-dam); text-transform: uppercase; margin-bottom: 12px; font-weight: 700; }
.noi-dung-du-an h2 small::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.luoi-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.luoi-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.luoi-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.o { background: var(--trang); border: 1px solid var(--vien); padding: 28px; transition: .3s; }
.o:hover { border-color: var(--than); }
section.nen-trang .o { background: var(--kem); }
.o h3 { font-size: 19px; font-weight: 800; color: var(--than); margin-bottom: 10px; line-height: 1.3; }
.o ul { padding-left: 18px; font-size: 15px; }
.o li { margin-bottom: 6px; }
.o li::marker { color: var(--be); }
.o p { font-size: 15px; }
.so-lon { border: 0; border-top: 3px solid var(--than); background: transparent !important; padding: 22px 0 0; }
.so-lon b { display: block; font-size: clamp(40px, 5.4vw, 72px); font-weight: 900; color: var(--than); line-height: 1; letter-spacing: -.04em; margin-bottom: 10px; }
.so-lon span { font-size: 14px; color: var(--mo); }
.thanh { margin-bottom: 16px; }
.thanh .ten { display: flex; justify-content: space-between; gap: 10px; font-size: 14px; font-weight: 700; margin-bottom: 6px; }
.thanh .nen { height: 10px; background: var(--be-nhat); overflow: hidden; }
.thanh .day { height: 100%; background: var(--than); width: 0; transition: width 1.4s cubic-bezier(.2,.7,.2,1); }
.thanh .day.be { background: var(--be); }
.giai-doan { counter-reset: gd; display: grid; gap: 0; border-top: 2px solid var(--than); }
.giai-doan .o { position: relative; padding: 30px 0 30px 110px; border: 0; border-bottom: 1px solid var(--vien); background: transparent !important; }
.giai-doan .o::before { counter-increment: gd; content: "0" counter(gd); position: absolute; left: 0; top: 24px; font-size: 56px; font-weight: 900; line-height: 1; color: var(--be); }
.giai-doan .o .tg { font-size: 12px; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; color: var(--be-dam); margin-bottom: 4px; }
.video-doc { overflow: hidden; background: #000; aspect-ratio: 9/16; }
.video-doc video { width: 100%; height: 100%; object-fit: cover; }
.chu-thich { font-size: 15px; font-weight: 800; color: var(--than); margin-top: 12px; }
.chu-thich small { display: block; font-weight: 500; color: var(--mo); font-size: 13px; }
.anh-luoi img { width: 100%; transition: transform .5s; }
.anh-luoi > div { overflow: hidden; }
.anh-luoi img:hover { transform: scale(1.03); }
.trich { font-size: clamp(24px, 3.4vw, 42px); font-weight: 900; line-height: 1.15; letter-spacing: -.02em; color: var(--than); padding: 10px 0 30px; }
.trich::before { content: "“"; display: block; font-size: 1.8em; line-height: .6; color: var(--be); }
.cta-cuoi { text-align: center; background: var(--than) !important; color: #e9e3d8; }
.cta-cuoi h2 { font-size: clamp(30px, 5vw, 60px); font-weight: 900; letter-spacing: -.03em; line-height: 1.05; color: #fff; margin-bottom: 16px; }
.cta-cuoi p { color: #c9c2b4; margin-bottom: 30px; }
.cta-cuoi .cac-nut { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.cta-cuoi .nut.chinh { background: var(--be-sang); color: var(--than); border-color: var(--be-sang); }
.cta-cuoi .nut.vien { color: var(--be-sang); border-color: #4a463f; }
.cta-cuoi .nut.vien:hover { background: var(--be-sang); color: var(--than); }
.chuyen-du-an { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 50px; }

/* ---------- Máy tính bảng ---------- */
@media (max-width: 960px) {
  .menu nav { display: none; }
  .bia .luoi { grid-template-columns: 1fr 1fr; margin-top: -10vw; }
  .bia .cot-trai { grid-column: 1; grid-row: 1; align-self: end; }
  .bia .anh { grid-column: 2; grid-row: 1; }
  .bia .cot-phai { grid-column: 1 / -1; padding-bottom: 50px; }
  .con-so .wrap { grid-template-columns: repeat(3, 1fr); row-gap: 36px; }
  .con-so .o-so:nth-child(4) { border-left: 0; padding-left: 0; }
  .hai-cot { grid-template-columns: 1fr; gap: 30px; }
  .dv { grid-template-columns: 70px 1fr; }
  .dv ul, .dv .nut { grid-column: 2; justify-self: start; }
  .mien-phi { grid-template-columns: 1fr; padding: 40px; }
  .luoi-3 { grid-template-columns: 1fr 1fr; }
  .luoi-4 { grid-template-columns: repeat(2, 1fr); }
  .lien-he .hang { grid-template-columns: 1fr; }
  .chu-doc { display: none; }
}
/* ---------- Điện thoại ---------- */
@media (max-width: 600px) {
  body { font-size: 15px; }
  .wrap { padding: 0 16px; }
  .menu .wrap { height: 58px; }
  .bia { padding-top: 18px; }
  .bia .meta span:nth-child(2) { display: none; }
  .bia .ten-lon { margin-top: 18px; }
  .bia .ten-lon span { font-size: 23vw; }
  .bia .ten-lon .dong-2 { padding-left: 10%; }
  .bia .luoi { grid-template-columns: 1fr; margin-top: -3vw; gap: 26px; }
  .bia .anh { grid-column: 1; grid-row: 1; width: 78%; margin-left: auto; }
  .bia .anh .tem { width: 92px; height: 92px; font-size: 9px; right: auto; left: -62px; top: 58%; }
  .bia .anh .tem b { font-size: 20px; }
  .bia .cot-trai { grid-row: 2; padding-bottom: 0; }
  .bia .cot-phai { grid-row: 3; padding-bottom: 50px; }
  .bia .cac-nut .nut { flex: 1 1 100%; }
  .con-so { padding: 44px 0; }
  .con-so .wrap { grid-template-columns: 1fr 1fr; row-gap: 30px; }
  .con-so .o-so { padding: 0 0 0 16px; }
  .con-so .o-so:nth-child(odd) { border-left: 0; padding-left: 0; }
  .con-so .o-so:last-child { grid-column: span 2; }
  section.khoi { padding: 72px 0; }
  .tieu-de-khoi { grid-template-columns: 1fr; margin-bottom: 36px; }
  .tieu-de-khoi .so-muc { grid-row: auto; font-size: 64px; }
  .moc { grid-template-columns: 1fr; gap: 4px; }
  .the { padding: 24px 20px; }
  .duong-truot { gap: 16px; padding-left: 16px; padding-right: 16px; scroll-padding-left: 16px; }
  .du-an { flex-basis: 84vw; }
  .du-an .so-du-an { font-size: 56px; }
  .nut-truot button { width: 46px; height: 46px; }
  .mien-phi { padding: 34px 22px; }
  .mien-phi::before { font-size: 120px; bottom: -26px; }
  .mien-phi .nut { width: 100%; }
  .dv { grid-template-columns: 1fr; gap: 10px; padding: 26px 0; }
  .dv ul, .dv .nut { grid-column: 1; }
  .dv .so { font-size: 34px; }
  .lien-he { padding: 80px 0 40px; }
  .luoi-2, .luoi-3 { grid-template-columns: 1fr; }
  .giai-doan .o { padding: 80px 0 26px; }
  .thong-tin-nhanh span { padding: 10px 14px 10px 0; margin-right: 14px; font-size: 11px; }
  .dau-du-an .mo-ta { font-size: 16px; }
  .chuyen-du-an .nut, .cta-cuoi .cac-nut .nut { flex: 1 1 100%; }
  footer { justify-content: center; text-align: center; }
}

/* ================= Bản bán dịch vụ (2026-10-15) ================= */
.bia .tieu-de-lon { font-weight: 900; line-height: .92; letter-spacing: -.04em; color: var(--than); margin-top: 30px; position: relative; z-index: 0; }
.bia .tieu-de-lon span { display: block; font-size: clamp(46px, 8.4vw, 124px); }
.bia .tieu-de-lon .dong-2 { color: var(--be); padding-left: 12%; }
.bia .tieu-de-lon .dong-2 i { font-style: italic; font-weight: 300; }
.bia .luoi.ban-dv { margin-top: 10px; }
.the-ten { border-left: 3px solid var(--be); padding-left: 14px; margin-top: 18px; }
.the-ten b { display: block; font-size: 16px; color: var(--than); font-weight: 800; }
.the-ten span { font-size: 13px; color: var(--mo); }

/* Nỗi lo của khách */
.luoi-van-de { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 2px solid var(--than); }
.van-de { padding: 30px 26px 30px 0; border-right: 1px solid var(--vien); }
.van-de + .van-de { padding-left: 26px; }
.van-de:last-child { border-right: 0; }
.van-de .dau { font-size: 44px; font-weight: 900; color: var(--be); line-height: 1; }
.van-de h3 { font-size: 20px; font-weight: 800; color: var(--than); margin: 12px 0 8px; line-height: 1.3; }
.van-de p { font-size: 15px; color: var(--mo); }
.loi-giai { margin-top: 40px; font-size: clamp(20px, 2.4vw, 28px); font-weight: 300; color: var(--than); line-height: 1.45; max-width: 900px; }
.loi-giai b { font-weight: 800; background: linear-gradient(transparent 62%, var(--be-sang) 62%); }

/* Nhóm năng lực */
.luoi-nang-luc { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.nang-luc { grid-column: span 2; background: var(--kem); border: 1px solid var(--vien); padding: 28px; display: flex; flex-direction: column; transition: .3s; position: relative; overflow: hidden; }
.nang-luc:nth-child(4), .nang-luc:nth-child(5) { grid-column: span 3; }
.nang-luc:hover { border-color: var(--than); transform: translateY(-4px); }
.nang-luc .so { font-size: 13px; font-weight: 800; letter-spacing: 2px; color: var(--be-dam); }
.nang-luc h3 { font-size: 24px; font-weight: 900; letter-spacing: -.02em; color: var(--than); margin: 10px 0 8px; line-height: 1.15; }
.nang-luc p { font-size: 14px; color: var(--mo); flex: 1; }
.nang-luc .lien-ket { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.nang-luc .lien-ket a { font-size: 12px; font-weight: 700; text-decoration: none; padding: 6px 12px; border-radius: 999px; background: var(--than); color: var(--be-sang); transition: .2s; }
.nang-luc .lien-ket a:hover { background: var(--be); color: #fff; }

/* Quy trình */
.quy-trinh { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: qt; }
.buoc { padding: 26px 22px 0 0; border-top: 2px solid var(--than); position: relative; }
.buoc::before { counter-increment: qt; content: "0" counter(qt); display: block; font-size: 48px; font-weight: 900; color: var(--be); line-height: 1; margin-bottom: 14px; }
.buoc h3 { font-size: 18px; font-weight: 800; color: var(--than); margin-bottom: 6px; }
.buoc p { font-size: 14px; color: var(--mo); }
.buoc .mien { display: inline-block; margin-top: 8px; font-size: 11px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; background: var(--be); color: #fff; padding: 3px 10px; border-radius: 999px; }

/* Về tôi */
.ve-toi { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: center; }
.ve-toi img { width: 100%; aspect-ratio: 4/5; object-fit: cover; object-position: 50% 20%; }
.ve-toi .gach { list-style: none; margin-top: 22px; border-top: 1px solid var(--vien); }
.ve-toi .gach li { padding: 12px 0; border-bottom: 1px solid var(--vien); display: flex; justify-content: space-between; gap: 16px; font-size: 15px; }
.ve-toi .gach b { color: var(--than); }

/* Trang dự án: 4 phần */
.phan { display: grid; grid-template-columns: 220px 1fr; gap: 40px; padding: 46px 0; border-top: 2px solid var(--than); }
.phan:first-of-type { border-top: 0; padding-top: 0; }
.phan .ten-phan { font-size: 13px; font-weight: 800; letter-spacing: 3px; text-transform: uppercase; color: var(--be-dam); }
.phan .ten-phan b { display: block; font-size: 56px; font-weight: 900; letter-spacing: -.03em; color: var(--be); line-height: 1; margin-bottom: 8px; }
.phan .noi-dung-phan > p { font-size: 17px; margin-bottom: 18px; max-width: 820px; }
.phan .noi-dung-phan > ul { padding-left: 20px; font-size: 16px; max-width: 820px; }
.phan .noi-dung-phan > ul li { margin-bottom: 8px; }
.phan .noi-dung-phan > ul li::marker { color: var(--be); }

/* Biểu đồ cột */
.bieu-do { background: var(--trang); border: 1px solid var(--vien); padding: 30px; }
.bieu-do h3 { font-size: 18px; font-weight: 800; color: var(--than); }
.bieu-do .ghi-chu { font-size: 13px; color: var(--mo); margin: 4px 0 26px; }
.cot-bd { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; align-items: end; height: 280px; border-bottom: 2px solid var(--than); }
.cot-bd .cot { display: flex; flex-direction: column; justify-content: flex-end; align-items: center; height: 100%; }
.cot-bd .gia-tri { font-size: 14px; font-weight: 900; color: var(--than); margin-bottom: 6px; white-space: nowrap; }
.cot-bd .than-cot { width: 100%; max-width: 86px; background: var(--be); min-height: 4px; height: 0; transition: height 1.4s cubic-bezier(.2,.7,.2,1); }
.cot-bd .cot:last-child .than-cot { background: var(--than); }
.nhan-bd { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 10px; text-align: center; font-size: 13px; font-weight: 700; color: var(--mo); }

@media (max-width: 960px) {
  .luoi-van-de { grid-template-columns: 1fr; }
  .van-de, .van-de + .van-de { padding: 26px 0; border-right: 0; border-bottom: 1px solid var(--vien); }
  .luoi-nang-luc { grid-template-columns: 1fr 1fr; }
  .nang-luc, .nang-luc:nth-child(4), .nang-luc:nth-child(5) { grid-column: span 1; }
  .quy-trinh { grid-template-columns: 1fr 1fr; row-gap: 30px; }
  .ve-toi { grid-template-columns: 1fr; gap: 30px; }
  .ve-toi img { max-width: 380px; }
  .phan { grid-template-columns: 1fr; gap: 16px; }
}
@media (max-width: 600px) {
  .bia .tieu-de-lon span { font-size: 12.4vw; }
  .bia .tieu-de-lon .dong-2 { padding-left: 0; }
  .luoi-nang-luc { grid-template-columns: 1fr; }
  .nang-luc { padding: 24px 20px; }
  .quy-trinh { grid-template-columns: 1fr; }
  .phan { padding: 34px 0; }
  .phan .ten-phan b { font-size: 44px; }
  .phan .noi-dung-phan > p { font-size: 16px; }
  .bieu-do { padding: 22px 16px; }
  .cot-bd { height: 220px; gap: 8px; }
  .cot-bd .gia-tri { font-size: 11px; }
  .nhan-bd { gap: 8px; font-size: 11px; }
}
.con-so .wrap.bon { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .con-so .wrap.bon { grid-template-columns: 1fr 1fr; } .con-so .wrap.bon .o-so:nth-child(3) { border-left: 0; padding-left: 0; } .con-so .wrap.bon .o-so:nth-child(4) { border-left: 1px solid #3d3a35; padding-left: 16px; } }
@media (max-width: 600px) { .con-so .wrap.bon .o-so:last-child { grid-column: auto; } }
.tieu-de-khoi p { grid-column: 2; }
@media (max-width: 600px) { .tieu-de-khoi p { grid-column: 1; } }
.dau-du-an .nhan { display: flex; }

/* ===== Bản không ảnh chân dung + ảnh dự án thật ===== */
.bia .luoi.ban-dv { grid-template-columns: 1fr 1.25fr; gap: 56px; margin-top: 30px; }
.bia .luoi.ban-dv .cot-trai, .bia .luoi.ban-dv .cot-phai { padding-bottom: 0; }
.dai-anh { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 10px; margin-top: 56px; height: clamp(160px, 22vw, 300px); }
.dai-anh a { overflow: hidden; display: block; }
.dai-anh img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s cubic-bezier(.2,.7,.2,1); }
.dai-anh a:hover img { transform: scale(1.07); }
.nang-luc:nth-child(4), .nang-luc:nth-child(5) { grid-column: span 2; }
.ve-toi.khong-anh { grid-template-columns: 1fr; max-width: 900px; }
.thu-vien { columns: 3; column-gap: 16px; }
.thu-vien figure { break-inside: avoid; margin: 0 0 16px; overflow: hidden; }
.thu-vien img { width: 100%; transition: transform .6s; }
.thu-vien figure:hover img { transform: scale(1.03); }
.thu-vien figcaption { font-size: 13px; font-weight: 700; color: var(--than); padding-top: 8px; }
.thu-vien figcaption small { display: block; font-weight: 500; color: var(--mo); }
@media (max-width: 960px) {
  .bia .luoi.ban-dv { grid-template-columns: 1fr; gap: 24px; }
  .bia .luoi.ban-dv .cot-phai { grid-column: auto; padding-bottom: 0; }
  .luoi-nang-luc .nang-luc:nth-child(n) { grid-column: span 1; }
  .thu-vien { columns: 2; }
}
@media (max-width: 600px) {
  .bia .luoi.ban-dv .cot-trai, .bia .luoi.ban-dv .cot-phai { grid-row: auto; }
  .dai-anh { grid-template-columns: repeat(5, 62vw); overflow-x: auto; scroll-snap-type: x mandatory; height: 200px; margin-top: 40px; padding: 0 16px; }
  .dai-anh a { scroll-snap-align: start; }
  .thu-vien { columns: 1; }
}
.bia .chu-doc { display: none; }

/* ===== Đặt lịch tư vấn ===== */
.hop-dat-lich { background: var(--trang); border: 1px solid var(--vien); padding: 34px; }
.buoc-dl + .buoc-dl { margin-top: 30px; padding-top: 26px; border-top: 1px solid var(--vien); }
.ten-buoc { font-size: 13px; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; color: var(--than); margin-bottom: 14px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ten-buoc b { width: 28px; height: 28px; border-radius: 50%; background: var(--than); color: var(--be-sang); display: grid; place-items: center; font-size: 13px; }
.gio-da-chon { font-size: 13px; letter-spacing: 0; text-transform: none; font-weight: 700; color: var(--be-dam); background: var(--be-nhat); padding: 4px 12px; border-radius: 999px; }
.gio-da-chon:empty { display: none; }
.chon-ngay { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 6px; scrollbar-width: thin; }
.chon-ngay .ngay { flex: 0 0 auto; min-width: 104px; border: 1.5px solid var(--vien); background: var(--kem); padding: 12px 14px; cursor: pointer; text-align: left; font-family: inherit; color: var(--than); transition: .2s; }
.chon-ngay .ngay small { display: block; font-size: 11px; font-weight: 700; color: var(--mo); text-transform: uppercase; letter-spacing: 1px; }
.chon-ngay .ngay b { display: block; font-size: 22px; font-weight: 900; line-height: 1.2; }
.chon-ngay .ngay span { font-size: 11px; color: var(--be-dam); font-weight: 700; }
.chon-ngay .ngay:hover { border-color: var(--than); }
.chon-ngay .ngay.dang-chon { background: var(--than); border-color: var(--than); color: #fff; }
.chon-ngay .ngay.dang-chon small, .chon-ngay .ngay.dang-chon span { color: var(--be-sang); }
.chon-gio { display: flex; flex-wrap: wrap; gap: 10px; }
.chon-gio .gio { border: 1.5px solid var(--than); background: transparent; padding: 11px 22px; font-size: 15px; font-weight: 800; cursor: pointer; font-family: inherit; color: var(--than); border-radius: 999px; transition: .2s; }
.chon-gio .gio:hover { background: var(--be-nhat); }
.chon-gio .gio.dang-chon { background: var(--be); border-color: var(--be); color: #fff; }
.trong { color: var(--mo); font-size: 14px; }
.buoc-3 { display: none; }
.buoc-3.mo { display: block; }
.buoc-3 form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
.o-nhap label { display: block; font-size: 12px; font-weight: 700; color: var(--mo); margin-bottom: 6px; }
.o-nhap input, .o-nhap textarea { width: 100%; border: 1.5px solid var(--vien); background: var(--kem); padding: 12px 14px; font: inherit; font-size: 15px; color: var(--than); }
.o-nhap input:focus, .o-nhap textarea:focus { outline: none; border-color: var(--be); background: #fff; }
.buoc-3 .rong { grid-column: 1 / -1; }
.bay { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.buoc-3 button[disabled] { opacity: .6; cursor: wait; }
.thong-bao { margin-top: 10px; font-size: 14px; font-weight: 600; }
.thong-bao.loi { color: #b3261e; }
.da-dat { display: none; text-align: center; padding: 20px 0; }
.da-dat .dau-xong { width: 70px; height: 70px; border-radius: 50%; background: var(--be); color: #fff; font-size: 34px; font-weight: 900; display: grid; place-items: center; margin: 0 auto 16px; }
.da-dat h3 { font-size: clamp(24px, 3vw, 34px); font-weight: 900; color: var(--than); margin-bottom: 10px; }
.da-dat p { max-width: 560px; margin: 6px auto; }
.da-dat .nho { font-size: 13px; color: var(--mo); margin-top: 14px; }
@media (max-width: 600px) {
  .hop-dat-lich { padding: 22px 16px; }
  .buoc-3 form { grid-template-columns: 1fr; }
  .chon-gio .gio { flex: 1 1 28%; padding: 11px 0; }
}