/* ==========================================================================
   XÂY DỰNG ĐẠI VIỆT — Nhà thầu xây dựng dân dụng & công nghiệp (nhà phố,
   biệt thự, nhà xưởng, cải tạo) · Hà Nội
   Bố cục: header 1 tầng nền ĐEN (logo ô vuông vàng + nav + nút "Nhận báo giá"
   vàng + hotline) × hero ẢNH CÔNG TRƯỜNG TRÀN MÀN có BẢNG "TIẾN ĐỘ %" nổi bên
   trái (tên dự án, thanh tiến độ 68%, giai đoạn, ngày bàn giao) và tiêu đề
   bên phải × dải "sổ tay" vàng 4 con số × dịch vụ 4 thẻ rộng có SỐ THỨ TỰ LỚN
   × dự án lọc bằng chip × MÁY TÍNH DỰ TOÁN (diện tích × tầng × gói → tổng +
   thanh phân bổ) × quy trình 6 bước dạng RAY NGANG có số ngày × năng lực thẻ
   ngang số thứ tự khổng lồ × cam kết × nhận xét gắn tên dự án × footer đen có
   giấy phép hoạt động xây dựng. Trang chi tiết dự án: TIMELINE GIAI ĐOẠN THI
   CÔNG (móng → thô → hoàn thiện → bàn giao) trạng thái xong/đang/chưa.
   Font: "Saira Condensed" (tiêu đề, chữ nén) + "Inter" (thân).
   Màu: vàng công trường #F2B705 · xám bê tông #9A9A94 / #ECECE8 · đen #151515
   · trắng. Motif: vạch thước đo (tick) màu vàng, KHÔNG dùng sọc cảnh báo.
   ========================================================================== */
:root{
  --y:#F2B705; --y-d:#D9A303; --y-soft:#FFF4CC;
  --k:#151515; --k2:#262626; --k3:#3A3A3A;
  --con:#9A9A94; --con-l:#ECECE8; --con-l2:#F6F6F3; --con-d:#6E6E69;
  --ink:#151515; --muted:#5F5F5B; --line:#DCDCD6; --ph:#d9d9d4;
  --ok:#2E9E5B; --warn:#E0812A;
  --ff-h:'Saira Condensed','Arial Narrow',Arial,sans-serif; --ff:'Inter',Arial,sans-serif;
  --r:6px; --shadow:0 18px 44px rgba(21,21,21,.16);
  --ticks:repeating-linear-gradient(90deg,var(--y) 0 2px,transparent 2px 14px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--ff);color:var(--ink);background:#fff;line-height:1.6;font-size:15.5px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3,h4{font-family:var(--ff-h);font-weight:700;line-height:1.02;text-transform:uppercase;letter-spacing:.005em}
.container{width:min(1220px,92%);margin:0 auto}
.ph{background:var(--img,var(--ph)) center/cover no-repeat;background-color:#d9d9d4}
svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.ticks{height:8px;background:var(--ticks);background-color:var(--k)}
.ticks--y{background-color:var(--y);background-image:repeating-linear-gradient(90deg,var(--k) 0 2px,transparent 2px 14px)}
b,strong{font-weight:700}

/* ---------- Nút ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;font-family:var(--ff-h);font-weight:700;font-size:17px;letter-spacing:.06em;text-transform:uppercase;border:2px solid transparent;border-radius:var(--r);cursor:pointer;transition:.2s;line-height:1.2;white-space:nowrap}
.btn--y{background:var(--y);color:var(--k);border-color:var(--y)}.btn--y:hover{background:var(--y-d);border-color:var(--y-d)}
.btn--k{background:var(--k);color:#fff;border-color:var(--k)}.btn--k:hover{background:var(--k3)}
.btn--line{background:transparent;color:var(--k);border-color:var(--k)}.btn--line:hover{background:var(--k);color:#fff}
.btn--wline{background:transparent;color:#fff;border-color:#fff}.btn--wline:hover{background:#fff;color:var(--k)}
.btn--lg{padding:15px 28px;font-size:19px}
.btn--sm{padding:8px 14px;font-size:15px}

/* ---------- Header ---------- */
.header{background:var(--k);color:#fff;position:sticky;top:0;z-index:50;border-bottom:1px solid #2c2c2c}
.header__in{display:flex;align-items:center;gap:26px;min-height:74px;position:relative}
.logo{display:flex;align-items:center;gap:12px;font-family:var(--ff-h);font-weight:700;font-size:24px;text-transform:uppercase;line-height:1;letter-spacing:.02em}
.logo small{display:block;font-family:var(--ff);font-weight:500;font-size:10px;letter-spacing:.16em;color:var(--con);margin-top:5px}
.logo__mark{width:40px;height:40px;background:var(--y);display:grid;place-items:center;flex:none;position:relative}
.logo__mark::before{content:"";width:16px;height:16px;border:3px solid var(--k);border-right:0;border-bottom:0}
.logo__mark::after{content:"";position:absolute;right:6px;bottom:6px;width:10px;height:10px;background:var(--k)}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{padding:10px 12px;font-family:var(--ff-h);font-weight:600;font-size:17px;text-transform:uppercase;letter-spacing:.05em;color:#d9d9d4;border-bottom:2px solid transparent;transition:.2s}
.nav a:hover,.nav a.is-active{color:var(--y);border-color:var(--y)}
.hotline{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--con);line-height:1.2}
.hotline svg{color:var(--y);width:26px;height:26px}
.hotline b{display:block;font-family:var(--ff-h);font-size:20px;color:#fff;letter-spacing:.03em}
.burger{display:none;background:none;border:0;color:#fff;cursor:pointer;padding:6px}
.burger svg{width:28px;height:28px}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:660px;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero__bg{position:absolute;inset:0}
.hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(21,21,21,.78) 0%,rgba(21,21,21,.55) 45%,rgba(21,21,21,.75) 100%)}
.hero__in{position:relative;display:grid;grid-template-columns:400px 1fr;gap:56px;align-items:center;padding:60px 0}
.hero__kicker{display:inline-flex;align-items:center;gap:10px;font-family:var(--ff-h);font-weight:600;font-size:16px;letter-spacing:.14em;text-transform:uppercase;color:var(--y);margin-bottom:16px}
.hero__kicker::before{content:"";width:34px;height:3px;background:var(--y)}
.hero h1{font-size:clamp(44px,5.6vw,78px);margin-bottom:18px;color:#fff}
.hero h1 em{font-style:normal;color:var(--y)}
.hero p{font-size:17px;max-width:560px;color:#e6e6e1;margin-bottom:26px}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap}
.hero__tags{display:flex;gap:18px;flex-wrap:wrap;margin-top:30px;font-size:13.5px;color:#d9d9d4}
.hero__tags span{display:flex;align-items:center;gap:7px}.hero__tags svg{color:var(--y)}
/* bảng tiến độ */
.prog{background:#fff;color:var(--ink);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.prog__head{background:var(--y);padding:12px 22px;display:flex;justify-content:space-between;align-items:center;font-family:var(--ff-h);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:15px}
.prog__head .live{display:flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.12em}
.prog__head .live::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--k);animation:blink 1.4s infinite}
@keyframes blink{50%{opacity:.25}}
.prog__body{padding:22px}
.prog__name{font-family:var(--ff-h);font-weight:700;font-size:24px;text-transform:uppercase;line-height:1.05}
.prog__loc{font-size:13px;color:var(--muted);margin:4px 0 16px}
.prog__pct{display:flex;align-items:baseline;justify-content:space-between}
.prog__pct b{font-family:var(--ff-h);font-size:64px;line-height:1;letter-spacing:-.01em}
.prog__pct span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}
.bar{height:12px;background:var(--con-l);border-radius:2px;overflow:hidden;position:relative;margin:8px 0 14px}
.bar i{display:block;height:100%;background:var(--y);width:var(--w,0%);border-radius:2px;position:relative;transition:width 1.2s ease}
.bar i::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0 24px,rgba(0,0,0,.12) 24px 26px)}
.prog__rows{display:grid;gap:8px;font-size:13.5px}
.prog__rows div{display:flex;justify-content:space-between;gap:12px;border-top:1px dashed var(--line);padding-top:8px}
.prog__rows span{color:var(--muted)}
.prog__rows b{text-align:right}
.prog__stages{display:flex;gap:4px;margin-top:14px}
.prog__stages span{flex:1;font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;text-align:center;padding-top:6px;border-top:4px solid var(--con-l);color:var(--muted)}
.prog__stages span.done{border-color:var(--k);color:var(--ink)}
.prog__stages span.now{border-color:var(--y);color:var(--ink);font-weight:700}
.prog__foot{padding:12px 22px;border-top:1px solid var(--line);font-size:13px;display:flex;justify-content:space-between;align-items:center}
.prog__foot a{font-weight:700;text-decoration:underline}

/* ---------- Dải sổ tay ---------- */
.notebook{background:var(--y);color:var(--k)}
.notebook__in{display:grid;grid-template-columns:repeat(4,1fr)}
.notebook__in div{padding:24px 26px;border-left:2px solid rgba(21,21,21,.25)}
.notebook__in div:first-child{border-left:0;padding-left:0}
.notebook__in b{display:block;font-family:var(--ff-h);font-size:48px;line-height:1;font-weight:700}
.notebook__in b small{font-size:22px}
.notebook__in span{font-size:13px;font-weight:500;letter-spacing:.04em;text-transform:uppercase}

/* ---------- Section chung ---------- */
.section{padding:84px 0}
.section--gray{background:var(--con-l2)}
.section--k{background:var(--k);color:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;flex-wrap:wrap}
.sec-head .kicker{display:inline-flex;align-items:center;gap:10px;font-family:var(--ff-h);font-weight:600;font-size:15px;letter-spacing:.14em;text-transform:uppercase;color:var(--con-d);margin-bottom:8px}
.sec-head .kicker::before{content:"";width:14px;height:14px;background:var(--y)}
.section--k .sec-head .kicker{color:var(--con)}
.sec-head h2{font-size:clamp(34px,4vw,52px)}
.sec-head p{max-width:520px;color:var(--muted);font-size:15px}
.section--k .sec-head p{color:#c9c9c3}

/* ---------- Dịch vụ: 4 thẻ rộng ---------- */
.services{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.svc{display:grid;grid-template-columns:110px 1fr;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 28px 28px 22px;position:relative;overflow:hidden;transition:.25s}
.svc:hover{border-color:var(--k);transform:translateY(-3px);box-shadow:var(--shadow)}
.svc::after{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--y)}
.svc__idx{font-family:var(--ff-h);font-weight:700;font-size:78px;line-height:.85;color:var(--k);letter-spacing:-.02em}
.svc__idx small{display:block;font-size:11px;letter-spacing:.2em;color:var(--con-d);margin-top:10px;font-weight:600}
.svc h3{font-size:28px;margin-bottom:8px}
.svc p{color:var(--muted);font-size:14.5px;margin-bottom:14px}
.svc__meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;margin-bottom:14px}
.svc__meta span{color:var(--muted)}.svc__meta b{color:var(--ink)}
.svc__link{font-family:var(--ff-h);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:15px;display:inline-flex;align-items:center;gap:6px;border-bottom:2px solid var(--y)}

/* ---------- Dự án ---------- */
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{padding:8px 16px;border:2px solid var(--k);border-radius:999px;background:#fff;font-family:var(--ff-h);font-weight:700;text-transform:uppercase;letter-spacing:.06em;font-size:15px;cursor:pointer;transition:.2s}
.chip:hover{background:var(--con-l)}
.chip.is-on{background:var(--k);color:var(--y)}
.chip b{font-family:var(--ff);font-weight:600;font-size:11px;opacity:.6;margin-left:4px}
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.proj{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.proj:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.proj.is-hidden{display:none}
.proj__img{aspect-ratio:4/3;position:relative}
.proj__type{position:absolute;left:0;top:14px;background:var(--y);color:var(--k);font-family:var(--ff-h);font-weight:700;text-transform:uppercase;letter-spacing:.1em;font-size:13px;padding:5px 12px}
.proj__state{position:absolute;right:12px;top:12px;background:var(--k);color:#fff;font-size:11px;font-weight:600;padding:5px 10px;border-radius:999px;letter-spacing:.06em;text-transform:uppercase}
.proj__state.live{background:var(--ok)}
.proj__body{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column}
.proj h3{font-size:24px;margin-bottom:4px}
.proj__loc{font-size:13px;color:var(--muted);margin-bottom:12px}
.proj__meta{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;border-top:1px solid var(--line);padding-top:12px;font-size:12px;color:var(--muted);margin-top:auto}
.proj__meta b{display:block;color:var(--ink);font-family:var(--ff-h);font-size:18px;text-transform:uppercase;line-height:1.1}
.proj__prog{margin-top:12px;font-size:12px;display:flex;align-items:center;gap:10px}
.proj__prog .bar{flex:1;margin:0;height:8px}
.proj__prog b{font-family:var(--ff-h);font-size:18px}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:28px}
.toolbar select{padding:10px 14px;border:2px solid var(--k);border-radius:var(--r);font-family:var(--ff-h);font-weight:700;text-transform:uppercase;letter-spacing:.05em;font-size:15px;background:#fff}
.count{font-size:13px;color:var(--muted)}

/* ---------- Máy tính dự toán ---------- */
.calc{display:grid;grid-template-columns:1.05fr 1fr;background:var(--k2);border:1px solid #3a3a3a;border-radius:var(--r);overflow:hidden}
.calc__form{padding:34px}
.calc__form h3{font-size:30px;margin-bottom:6px;color:#fff}
.calc__form>p{color:var(--con);font-size:14px;margin-bottom:22px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label,.field__lbl{font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--con)}
.field input,.field select,.field textarea{padding:12px 14px;border:1px solid #4a4a4a;border-radius:var(--r);background:#1c1c1c;color:#fff;font:inherit;font-size:15px;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--y);outline-offset:0;border-color:var(--y)}
.field--row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.range{display:flex;align-items:center;gap:14px}
.range input[type=range]{flex:1;accent-color:var(--y);padding:0;border:0;background:none}
.range output{font-family:var(--ff-h);font-weight:700;font-size:26px;min-width:80px;text-align:right;color:var(--y)}
.pkgs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;position:relative}
.pkgs label{border:1px solid #4a4a4a;border-radius:var(--r);padding:12px;cursor:pointer;display:block;font-size:13px;color:#ddd;transition:.2s;text-transform:none;letter-spacing:0;font-weight:400}
.pkgs label b{display:block;font-family:var(--ff-h);font-size:18px;text-transform:uppercase;letter-spacing:.04em;color:#fff}
.pkgs label small{display:block;color:var(--con);font-size:11.5px;margin-top:2px}
.pkgs input{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}
.pkgs input:checked+label{border-color:var(--y);background:#2f2a14}
.pkgs input:checked+label b{color:var(--y)}
.calc__res{background:var(--y);color:var(--k);padding:34px;display:flex;flex-direction:column}
.calc__res small{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:600}
.calc__total{font-family:var(--ff-h);font-weight:700;font-size:clamp(44px,4.4vw,62px);line-height:1;margin:6px 0 4px;letter-spacing:-.01em}
.calc__sub{font-size:13.5px;margin-bottom:22px}
.brk{display:grid;gap:12px;margin-bottom:22px}
.brk div{display:grid;grid-template-columns:150px 1fr 110px;gap:12px;align-items:center;font-size:13.5px}
.brk .bar{margin:0;background:rgba(21,21,21,.15);height:14px}
.brk .bar i{background:var(--k)}.brk .bar i::after{display:none}
.brk b{text-align:right;font-family:var(--ff-h);font-size:17px}
.calc__note{font-size:12px;border-top:1px solid rgba(21,21,21,.25);padding-top:14px;margin-top:auto;line-height:1.5}
.calc__res .btn{margin-top:16px;align-self:flex-start}

/* ---------- Quy trình: ray ngang ---------- */
.rail-wrap{overflow-x:auto;padding-bottom:12px;scrollbar-color:var(--y) var(--con-l)}
.rail{display:grid;grid-template-columns:repeat(6,minmax(200px,1fr));gap:0;position:relative;min-width:1200px}
.rail::before{content:"";position:absolute;left:0;right:0;top:34px;height:4px;background:var(--line)}
.step{position:relative;padding:0 18px 0 0}
.step__no{width:68px;height:68px;border-radius:50%;background:#fff;border:4px solid var(--k);display:grid;place-items:center;font-family:var(--ff-h);font-weight:700;font-size:26px;position:relative;z-index:1}
.step__days{display:inline-block;margin:14px 0 8px;background:var(--y);font-family:var(--ff-h);font-weight:700;font-size:15px;letter-spacing:.06em;padding:3px 10px;text-transform:uppercase}
.step h3{font-size:22px;margin-bottom:6px}
.step p{font-size:13.5px;color:var(--muted)}
.step:nth-child(even) .step__no{background:var(--k);color:var(--y)}

/* ---------- Năng lực: thẻ ngang số khổng lồ ---------- */
.caps{display:grid;gap:14px}
.cap{display:grid;grid-template-columns:150px 1fr 220px;gap:24px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 28px;transition:.2s}
.cap:hover{border-color:var(--y);box-shadow:var(--shadow)}
.cap__no{font-family:var(--ff-h);font-weight:700;font-size:96px;line-height:.8;color:var(--con-l);-webkit-text-stroke:2px var(--k);letter-spacing:-.03em}
.cap h3{font-size:26px;margin-bottom:4px}
.cap p{font-size:14px;color:var(--muted)}
.cap__stat{text-align:right;border-left:2px solid var(--y);padding-left:20px}
.cap__stat b{display:block;font-family:var(--ff-h);font-weight:700;font-size:40px;line-height:1}
.cap__stat span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}

/* ---------- Cam kết ---------- */
.commits{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.commit{background:#fff;border-top:6px solid var(--y);padding:26px 24px;border-radius:0 0 var(--r) var(--r);box-shadow:0 8px 24px rgba(21,21,21,.06)}
.commit__ico{width:52px;height:52px;background:var(--k);color:var(--y);display:grid;place-items:center;margin-bottom:16px}
.commit__ico svg{width:26px;height:26px}
.commit h3{font-size:22px;margin-bottom:6px}
.commit p{font-size:13.5px;color:var(--muted)}
.commit b{color:var(--ink)}

/* ---------- Nhận xét ---------- */
.testis{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.testi{background:#1f1f1f;border:1px solid #333;padding:26px;border-radius:var(--r);display:flex;flex-direction:column;gap:14px}
.testi__q{font-size:15px;color:#e6e6e1;line-height:1.65}
.testi__q::before{content:"“";font-family:var(--ff-h);font-size:60px;color:var(--y);line-height:0;display:block;margin:20px 0 6px}
.testi__who{display:flex;align-items:center;gap:12px;margin-top:auto;font-size:13px;color:var(--con)}
.testi__who i{width:44px;height:44px;background:var(--y);color:var(--k);display:grid;place-items:center;font-family:var(--ff-h);font-weight:700;font-size:20px;font-style:normal;flex:none}
.testi__who b{display:block;color:#fff;font-size:14px}
.testi__proj{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--y);border:1px solid #444;padding:4px 10px;align-self:flex-start;text-transform:uppercase;letter-spacing:.06em;font-weight:600}

/* ---------- CTA ---------- */
.cta{background:var(--y);color:var(--k)}
.cta__in{display:flex;align-items:center;justify-content:space-between;gap:26px;padding:44px 0;flex-wrap:wrap}
.cta h2{font-size:clamp(30px,3.6vw,46px)}
.cta p{font-size:15px;max-width:560px}

/* ---------- Footer ---------- */
.footer{background:var(--k);color:#c9c9c3;padding:60px 0 0;font-size:14px}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.footer h4{color:#fff;font-size:19px;letter-spacing:.08em;margin-bottom:14px;padding-bottom:8px;border-bottom:2px solid var(--y);display:inline-block}
.footer li{margin-bottom:8px}.footer a:hover{color:var(--y)}
.footer .logo{color:#fff;margin-bottom:14px}
.footer__lic{background:var(--con-l2);color:var(--ink);padding:10px 14px;font-size:12.5px;border-left:4px solid var(--y);margin-top:14px;line-height:1.5}
.footer__bot{border-top:1px solid #333;padding:18px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--con)}

/* ---------- Trang con: page head ---------- */
.phead{background:var(--k);color:#fff;padding:60px 0 50px;position:relative;overflow:hidden}
.phead::after{content:"";position:absolute;right:-40px;bottom:-40px;width:260px;height:260px;border:24px solid var(--y);opacity:.25;transform:rotate(12deg)}
.phead .crumb{font-size:12.5px;color:var(--con);letter-spacing:.06em;text-transform:uppercase;margin-bottom:12px}
.phead .crumb a:hover{color:var(--y)}
.phead h1{font-size:clamp(40px,5vw,66px)}
.phead h1 em{font-style:normal;color:var(--y)}
.phead p{max-width:640px;color:#d9d9d4;margin-top:12px;font-size:16px}

/* ---------- Bảng ---------- */
.tbl-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:14px;min-width:560px;background:#fff}
.tbl th,.tbl td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.tbl thead th{background:var(--k);color:#fff;font-family:var(--ff-h);font-weight:600;text-transform:uppercase;letter-spacing:.08em;font-size:14px}
.tbl tbody tr:hover{background:var(--con-l2)}
.tbl .num{text-align:right;white-space:nowrap;font-weight:600}
.tbl .hl{background:var(--y-soft)}
.tag{display:inline-block;padding:3px 9px;border-radius:3px;font-size:11.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;background:var(--con-l);color:var(--ink)}
.tag--y{background:var(--y)}.tag--ok{background:#DDF3E5;color:#1B6B3A}.tag--k{background:var(--k);color:var(--y)}

/* ---------- Dịch vụ chi tiết ---------- */
.svc-detail{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;padding:60px 0;border-bottom:1px solid var(--line);align-items:start}
.svc-detail:nth-child(even){direction:rtl}.svc-detail:nth-child(even)>*{direction:ltr}
.svc-detail .svc__idx{font-size:110px;color:var(--con-l);-webkit-text-stroke:2px var(--k);display:block;margin-bottom:10px}
.svc-detail h2{font-size:40px;margin-bottom:10px}
.svc-detail>div>p{color:var(--muted);margin-bottom:18px}
.svc-detail .ph{aspect-ratio:4/3;border-radius:var(--r);margin-bottom:22px}
.incl{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}
.incl div{background:var(--con-l2);padding:16px 18px;border-radius:var(--r)}
.incl h4{font-size:17px;letter-spacing:.08em;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.incl li{font-size:13.5px;padding:4px 0 4px 20px;position:relative;color:var(--muted)}
.incl li::before{content:"";position:absolute;left:0;top:11px;width:10px;height:10px;background:var(--ok)}
.incl .no li::before{background:var(--con)}

/* ---------- Chi tiết dự án ---------- */
.dhero{position:relative;min-height:520px;display:flex;align-items:flex-end;color:#fff}
.dhero .hero__bg::after{background:linear-gradient(180deg,rgba(21,21,21,.1),rgba(21,21,21,.85))}
.dhero__in{position:relative;padding:60px 0 40px;display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap}
.dhero h1{font-size:clamp(38px,4.8vw,66px);margin:10px 0 6px}
.dhero .crumb{font-size:12.5px;color:var(--con);text-transform:uppercase;letter-spacing:.06em}
.dhero__pct{background:var(--y);color:var(--k);padding:16px 24px;text-align:center;min-width:180px}
.dhero__pct b{display:block;font-family:var(--ff-h);font-size:56px;line-height:1}
.dhero__pct span{font-size:11px;text-transform:uppercase;letter-spacing:.12em;font-weight:600}
.detail{display:grid;grid-template-columns:1fr 360px;gap:40px;align-items:start}
.detail__side{position:sticky;top:94px;display:grid;gap:18px}
.info{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.info h3{background:var(--k);color:#fff;font-size:18px;letter-spacing:.1em;padding:12px 18px}
.info table{width:100%;border-collapse:collapse;font-size:13.5px}
.info td{padding:10px 18px;border-bottom:1px solid var(--line)}
.info td:first-child{color:var(--muted);width:42%}
.info td:last-child{font-weight:600}
.info .body{padding:18px}
.budget div{display:grid;grid-template-columns:120px 1fr 90px;gap:10px;align-items:center;font-size:13px;margin-bottom:10px}
.budget .bar{margin:0;height:10px}
.budget b{text-align:right;font-family:var(--ff-h);font-size:16px}
.team{display:grid;gap:10px}
.team div{display:flex;align-items:center;gap:12px;font-size:13.5px}
.team i{width:40px;height:40px;background:var(--k);color:var(--y);display:grid;place-items:center;font-family:var(--ff-h);font-weight:700;font-style:normal;font-size:17px;flex:none}
.team span{color:var(--muted);font-size:12px;display:block}
.detail h2{font-size:34px;margin:0 0 20px}
.detail .lead{font-size:16.5px;color:var(--muted);margin-bottom:30px}
/* timeline giai đoạn */
.tl{position:relative;padding-left:34px;margin-bottom:50px}
.tl::before{content:"";position:absolute;left:11px;top:6px;bottom:6px;width:4px;background:var(--line)}
.phase{position:relative;margin-bottom:28px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 24px}
.phase::before{content:"";position:absolute;left:-30px;top:24px;width:18px;height:18px;border-radius:50%;background:#fff;border:4px solid var(--con)}
.phase.done::before{background:var(--k);border-color:var(--k)}
.phase.now::before{background:var(--y);border-color:var(--y);box-shadow:0 0 0 6px rgba(242,183,5,.25)}
.phase.now{border-color:var(--y);border-width:2px}
.phase__head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:10px}
.phase__head h3{font-size:26px}
.phase__head h3 small{display:block;font-family:var(--ff);font-weight:500;font-size:12.5px;text-transform:none;letter-spacing:0;color:var(--muted);margin-top:4px}
.phase__state{font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:6px 12px;border-radius:999px;background:var(--con-l);color:var(--muted)}
.phase.done .phase__state{background:var(--k);color:#fff}
.phase.now .phase__state{background:var(--y);color:var(--k)}
.phase p{font-size:14px;color:var(--muted)}
.phase__tasks{display:grid;grid-template-columns:1fr 1fr;gap:4px 18px;margin:12px 0;font-size:13.5px}
.phase__tasks li{padding-left:22px;position:relative}
.phase__tasks li::before{content:"";position:absolute;left:0;top:7px;width:12px;height:12px;border:2px solid var(--con)}
.phase__tasks li.ok::before{background:var(--k);border-color:var(--k)}
.phase__tasks li.ok::after{content:"";position:absolute;left:4px;top:8px;width:4px;height:7px;border:solid var(--y);border-width:0 2px 2px 0;transform:rotate(45deg)}
.phase__pics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}
.phase__pics .ph{aspect-ratio:4/3;border-radius:4px}
.phase.todo .phase__pics .ph{background:repeating-linear-gradient(45deg,var(--con-l) 0 10px,#fff 10px 20px);display:grid;place-items:center;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.phase .bar{height:8px;margin:10px 0 0}
/* nhật ký */
.log{display:grid;gap:12px}
.log>div{display:grid;grid-template-columns:110px 1fr;gap:18px;background:#fff;border:1px solid var(--line);padding:16px 20px;border-radius:var(--r)}
.log time{font-family:var(--ff-h);font-weight:700;font-size:20px;line-height:1.1}
.log time small{display:block;font-family:var(--ff);font-weight:500;font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.log p{font-size:14px}
.log .who{font-size:12px;color:var(--muted);margin-top:4px}
.log .tag{margin-left:8px}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:50px}
.pn a{background:#fff;border:1px solid var(--line);padding:18px 22px;border-radius:var(--r);transition:.2s;display:block}
.pn a:hover{border-color:var(--k)}
.pn a:last-child{text-align:right}
.pn small{font-size:11.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.pn b{display:block;font-family:var(--ff-h);font-size:22px;text-transform:uppercase}

/* ---------- Báo giá ---------- */
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px}
.form-card h3{font-size:28px;margin-bottom:6px}
.form-card>p{color:var(--muted);font-size:14px;margin-bottom:20px}
.form-card .field input,.form-card .field select,.form-card .field textarea{background:#fff;color:var(--ink);border-color:var(--line)}
.form-card .field label{color:var(--muted)}
.drop{border:2px dashed var(--con);border-radius:var(--r);padding:26px;text-align:center;font-size:13.5px;color:var(--muted);background:var(--con-l2)}
.drop b{display:block;font-family:var(--ff-h);font-size:20px;text-transform:uppercase;color:var(--ink);margin-bottom:4px}
.drop input{margin-top:10px;width:auto}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);flex-direction:row}
.check input{width:auto;margin-top:4px}
.pricecards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pricecard{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;position:relative}
.pricecard.is-hot{border:2px solid var(--k)}
.pricecard .ribbon{position:absolute;top:-12px;left:22px;background:var(--y);font-family:var(--ff-h);font-weight:700;font-size:13px;letter-spacing:.1em;text-transform:uppercase;padding:3px 10px}
.pricecard h3{font-size:26px}
.pricecard .price{font-family:var(--ff-h);font-weight:700;font-size:40px;line-height:1;margin:10px 0 2px}
.pricecard .price small{font-size:16px;color:var(--muted);font-weight:500}
.pricecard .per{font-size:12.5px;color:var(--muted);margin-bottom:14px}
.pricecard li{font-size:13.5px;padding:6px 0 6px 22px;border-top:1px dashed var(--line);position:relative}
.pricecard li::before{content:"";position:absolute;left:0;top:12px;width:10px;height:10px;background:var(--y)}

/* ---------- Năng lực trang ---------- */
.intro{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.intro .ph{aspect-ratio:4/3;border-radius:var(--r)}
.intro h2{font-size:40px;margin-bottom:14px}
.intro p{color:var(--muted);margin-bottom:12px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{background:#fff;border:1px solid var(--line);border-left:6px solid var(--y);padding:20px 22px;border-radius:var(--r)}
.stat b{display:block;font-family:var(--ff-h);font-size:44px;line-height:1}
.stat span{font-size:12.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.certs{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cert{background:#fff;border:1px solid var(--line);padding:22px;border-radius:var(--r);text-align:center}
.cert__seal{width:74px;height:74px;border-radius:50%;border:4px solid var(--k);display:grid;place-items:center;margin:0 auto 12px;font-family:var(--ff-h);font-weight:700;font-size:15px;line-height:1;background:var(--y);text-transform:uppercase;letter-spacing:.02em}
.cert h3{font-size:19px;margin-bottom:4px}
.cert p{font-size:12.5px;color:var(--muted)}
.partners{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.partner{background:#fff;border:1px solid var(--line);padding:18px 10px;text-align:center;font-family:var(--ff-h);font-weight:700;text-transform:uppercase;font-size:17px;letter-spacing:.06em;color:var(--con-d);border-radius:var(--r)}
.partner small{display:block;font-family:var(--ff);font-weight:500;font-size:10.5px;letter-spacing:.06em;color:var(--con)}
.jobs{display:grid;gap:12px}
.job{display:grid;grid-template-columns:1fr auto auto auto;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);padding:18px 22px;border-radius:var(--r)}
.job h3{font-size:22px}.job small{display:block;font-family:var(--ff);text-transform:none;font-weight:500;font-size:12.5px;color:var(--muted);letter-spacing:0;margin-top:2px}
.job .sal{font-family:var(--ff-h);font-weight:700;font-size:20px;color:var(--ink)}
.job .sal small{display:block;font-family:var(--ff);font-weight:500;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.gallery .ph{aspect-ratio:4/3;border-radius:var(--r)}

/* ---------- Liên hệ ---------- */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.locs{display:grid;gap:16px;margin-bottom:26px}
.loc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;display:grid;grid-template-columns:auto 1fr;gap:16px}
.loc__no{font-family:var(--ff-h);font-weight:700;font-size:44px;line-height:.9;color:var(--con-l);-webkit-text-stroke:2px var(--k)}
.loc h3{font-size:22px;margin-bottom:6px}
.loc li{font-size:13.5px;display:flex;gap:8px;margin-bottom:5px;color:var(--muted)}
.loc li svg{color:var(--y);margin-top:3px}
.map{position:relative;aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;background:#e8e8e3;background-image:linear-gradient(#fff 2px,transparent 2px),linear-gradient(90deg,#fff 2px,transparent 2px),linear-gradient(rgba(0,0,0,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.05) 1px,transparent 1px);background-size:120px 120px,120px 120px,24px 24px,24px 24px;border:1px solid var(--line)}
.map::before{content:"";position:absolute;left:-10%;top:40%;width:120%;height:34px;background:#fff;transform:rotate(-8deg);box-shadow:0 0 0 2px #dcdcd6}
.map::after{content:"";position:absolute;left:58%;top:-10%;width:26px;height:120%;background:#fff;transform:rotate(14deg);box-shadow:0 0 0 2px #dcdcd6}
.pin{position:absolute;z-index:1;transform:translate(-50%,-100%);text-align:center}
.pin i{display:block;width:26px;height:26px;background:var(--k);border-radius:50% 50% 50% 0;transform:rotate(-45deg);margin:0 auto;border:3px solid var(--y)}
.pin span{display:block;background:#fff;font-family:var(--ff-h);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.06em;padding:3px 8px;margin-top:6px;box-shadow:0 4px 10px rgba(0,0,0,.15);white-space:nowrap}
.pin--y i{background:var(--y);border-color:var(--k)}
.hours{background:var(--k);color:#c9c9c3;padding:22px;border-radius:var(--r);font-size:13.5px;margin-top:16px}
.hours h4{color:#fff;font-size:18px;letter-spacing:.08em;margin-bottom:10px}
.hours div{display:flex;justify-content:space-between;border-bottom:1px dashed #444;padding:6px 0}
.hours b{color:var(--y)}

.faq{display:grid;gap:10px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:0 20px}
.faq summary{cursor:pointer;font-family:var(--ff-h);font-weight:700;font-size:19px;text-transform:uppercase;padding:14px 0;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::after{content:"+";font-size:24px;color:var(--y)}
.faq details[open] summary::after{content:"−"}
.faq details p{font-size:14px;color:var(--muted);padding-bottom:16px}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .hero__in{grid-template-columns:360px 1fr;gap:34px}
  .services{grid-template-columns:1fr}
  .projects{grid-template-columns:repeat(2,1fr)}
  .cap{grid-template-columns:110px 1fr 180px}.cap__no{font-size:72px}
  .commits{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
  .certs,.stats{grid-template-columns:repeat(2,1fr)}
  .partners{grid-template-columns:repeat(3,1fr)}
  .detail{grid-template-columns:1fr}.detail__side{position:static;grid-template-columns:1fr 1fr}
}
@media (max-width:980px){
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--k);flex-direction:column;padding:10px 4%;border-top:1px solid #333;margin:0}
  .nav.is-open{display:flex}
  .nav a{padding:12px 8px;border-bottom:1px solid #2a2a2a}
  .burger{display:block}
  .header .hotline{display:none}
  .header .btn{margin-left:auto}
  .hero__in{grid-template-columns:1fr;gap:30px}
  .hero{min-height:0}
  .prog{order:2;max-width:520px}
  .notebook__in{grid-template-columns:1fr 1fr}
  .notebook__in div{padding:18px 20px}
  .notebook__in div:nth-child(odd){border-left:0;padding-left:0}
  .calc{grid-template-columns:1fr}
  .testis{grid-template-columns:1fr}
  .svc-detail,.svc-detail:nth-child(even){grid-template-columns:1fr;direction:ltr}
  .quote-grid,.contact,.intro{grid-template-columns:1fr}
  .pricecards{grid-template-columns:1fr}
  .job{grid-template-columns:1fr 1fr}
  .detail__side{grid-template-columns:1fr}
}
@media (max-width:640px){
  body{font-size:15px}
  .section{padding:56px 0}
  .header__in{min-height:64px;gap:12px}
  .logo{font-size:20px}.logo small{display:none}
  .header .btn{padding:9px 12px;font-size:14px}
  .hero__in{padding:40px 0}
  .hero h1{font-size:42px}
  .prog__pct b{font-size:52px}
  .notebook__in{grid-template-columns:1fr 1fr}
  .notebook__in b{font-size:36px}
  .svc{grid-template-columns:1fr;gap:10px;padding:22px}
  .svc__idx{font-size:56px;display:flex;align-items:baseline;gap:10px}
  .projects{grid-template-columns:1fr}
  .rail{min-width:1000px;grid-template-columns:repeat(6,180px)}
  .cap{grid-template-columns:1fr;gap:12px}
  .cap__no{font-size:64px}
  .cap__stat{text-align:left;border-left:0;padding-left:0;border-top:2px solid var(--y);padding-top:10px}
  .commits{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .pkgs{grid-template-columns:1fr}
  .field--row{grid-template-columns:1fr}
  .brk div{grid-template-columns:100px 1fr 90px}
  .calc__form,.calc__res{padding:24px}
  .phase__tasks,.phase__pics{grid-template-columns:1fr 1fr}
  .log>div{grid-template-columns:1fr;gap:6px}
  .pn{grid-template-columns:1fr}
  .certs,.stats,.gallery,.partners{grid-template-columns:1fr 1fr}
  .job{grid-template-columns:1fr}
  .loc{grid-template-columns:1fr}
  .incl{grid-template-columns:1fr}
  .dhero__in{padding:40px 0 30px}
}