/* ==========================================================================
   XƯỞNG IN SẮC MÀU — In ấn & bao bì (danh thiếp, tờ rơi, catalogue, hộp,
   túi giấy, tem nhãn) · Hà Nội · in offset + kỹ thuật số
   Bố cục: header 1 tầng (logo 4 chấm CMYK + nav + nút "Báo giá nhanh" +
   hotline) và dải sọc CMYK mỏng bên dưới × hero 2 cột (trái: tiêu đề + 3 chip
   cam kết, phải: THẺ MÁY TÍNH BÁO GIÁ với bảng bậc giá) × thân trang bán lẻ
   nhiều màu: lưới 8 sản phẩm, MOCKUP HỘP / TÚI 3D BẰNG CSS đổi màu theo
   swatch, quy trình 5 bước, hộp hướng dẫn file (bleed 3 mm), masonry dự án,
   dải logo khách, nhận xét, footer có CTA gửi file.
   Font: Anton (tiêu đề, chữ nén đậm) + Roboto (thân).
   Màu: 4 màu in CMYK — cyan #00AEEF, magenta #EC008C, yellow #FFF200,
   black #231F20 — trên nền trắng; motif sọc 4 màu lặp lại ở nhiều chỗ.
   ========================================================================== */
:root{
  --c:#00AEEF; --m:#EC008C; --y:#FFF200; --k:#231F20;
  --c-soft:#E5F6FD; --m-soft:#FDE6F3; --y-soft:#FFFCD6; --k-soft:#EEEDED;
  --ink:#231F20; --muted:#6B6B70; --line:#E4E4E7; --bg2:#F6F6F8; --ph:#DDDDE2;
  --ff-h:'Anton',Impact,'Arial Narrow',sans-serif; --ff:'Roboto',Arial,sans-serif;
  --r:14px; --shadow:0 14px 40px rgba(35,31,32,.12);
  --stripe:linear-gradient(90deg,var(--c) 0 25%,var(--m) 25% 50%,var(--y) 50% 75%,var(--k) 75%);
}
*{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:400;line-height:1.05;letter-spacing:.01em;text-transform:uppercase}
.container{width:min(1200px,92%);margin:0 auto}
.ph{background:var(--img,var(--ph)) center/cover no-repeat;background-color:#eee}
svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.stripe{height:6px;background:var(--stripe)}
.stripe--thin{height:3px}
.cmyk{display:inline-flex;gap:3px;vertical-align:middle}
.cmyk i{width:9px;height:9px;border-radius:50%;display:block}
.cmyk i:nth-child(1){background:var(--c)}.cmyk i:nth-child(2){background:var(--m)}.cmyk i:nth-child(3){background:var(--y)}.cmyk i:nth-child(4){background:var(--k)}

/* ---------- Nút ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;font-family:var(--ff-h);font-size:15px;letter-spacing:.06em;text-transform:uppercase;border:2px solid transparent;border-radius:8px;cursor:pointer;transition:.2s;line-height:1.2}
.btn--m{background:var(--m);color:#fff}.btn--m:hover{background:#C90076}
.btn--c{background:var(--c);color:#fff}.btn--c:hover{background:#0092C9}
.btn--k{background:var(--k);color:#fff}.btn--k:hover{background:#000}
.btn--y{background:var(--y);color:var(--k)}.btn--y:hover{background:#E6DA00}
.btn--line{border-color:var(--k);color:var(--k);background:#fff}.btn--line:hover{background:var(--k);color:#fff}
.btn--lg{padding:15px 30px;font-size:17px}
.header .btn{white-space:nowrap;padding:11px 16px;font-size:14px}
.btn--sm{padding:8px 14px;font-size:13px}
.btn--full{width:100%}

/* ---------- Header ---------- */
.header{background:#fff;position:sticky;top:0;z-index:60;box-shadow:0 1px 0 var(--line)}
.header__in{display:flex;align-items:center;height:78px;gap:18px}
.logo{display:flex;align-items:center;gap:12px;font-family:var(--ff-h);font-size:22px;text-transform:uppercase;letter-spacing:.03em;line-height:1}
.logo__mark{display:grid;grid-template-columns:repeat(2,14px);gap:3px;padding:6px;background:var(--k);border-radius:8px}
.logo__mark i{width:14px;height:14px;border-radius:50%}
.logo__mark i:nth-child(1){background:var(--c)}.logo__mark i:nth-child(2){background:var(--m)}.logo__mark i:nth-child(3){background:var(--y)}.logo__mark i:nth-child(4){background:#fff}
.logo small{display:block;font-family:var(--ff);font-size:10px;letter-spacing:.2em;color:var(--muted);margin-top:3px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{padding:9px 10px;font-weight:500;font-size:14px;border-radius:8px;position:relative;white-space:nowrap}
.nav a:hover{background:var(--bg2)}
.nav a.is-active{background:var(--y);color:var(--k)}
.hotline{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);line-height:1.2;white-space:nowrap}
.hotline b{display:block;font-size:17px;color:var(--ink);font-family:var(--ff-h);letter-spacing:.03em}
.hotline svg{width:30px;height:30px;color:var(--c)}
.burger{display:none;width:44px;height:44px;border:2px solid var(--k);background:#fff;border-radius:8px;cursor:pointer;align-items:center;justify-content:center;margin-left:auto}

/* ---------- Hero 2 cột + máy tính ---------- */
.hero{position:relative;padding:60px 0 70px;background:#fff;overflow:hidden}
.hero__bg{position:absolute;inset:0;opacity:.18;background:var(--img) center/cover no-repeat}
.hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#fff 0,rgba(255,255,255,.7) 50%,rgba(255,255,255,.4))}
.hero__in{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.hero__kicker{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.14em;font-size:12px;text-transform:uppercase;color:var(--m);margin-bottom:16px}
.hero h1{font-size:clamp(44px,5.4vw,76px);margin-bottom:18px}
.hero h1 em{font-style:normal;position:relative;display:inline-block;z-index:0}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:.32em;background:var(--y);z-index:-1}
.hero h1 .c{color:var(--c)}.hero h1 .m{color:var(--m)}
.hero p{font-size:18px;color:var(--muted);max-width:520px;margin-bottom:26px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;background:#fff;border:2px solid var(--k);font-weight:500;font-size:14px}
.chip svg{width:16px;height:16px;color:#fff;background:var(--k);border-radius:50%;padding:3px;stroke-width:3}
.chip:nth-child(1) svg{background:var(--c)}.chip:nth-child(2) svg{background:var(--m)}.chip:nth-child(3) svg{background:var(--k)}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap}
.hero__stats{display:flex;gap:30px;margin-top:34px;padding-top:24px;border-top:2px dashed var(--line)}
.hero__stats b{display:block;font-family:var(--ff-h);font-size:32px;line-height:1}
.hero__stats span{font-size:13px;color:var(--muted)}

/* Máy tính báo giá (thẻ) */
.calc{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);border:1px solid var(--line);overflow:hidden}
.calc__head{padding:18px 24px;background:var(--k);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:12px}
.calc__head h2,.calc__head h3{font-size:22px;color:#fff;display:flex;align-items:center;gap:10px}
.calc__head small{font-size:12px;color:#BDBDC2;font-family:var(--ff)}
.calc__body{padding:22px 24px}
.calc__grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px}
.field{display:flex;flex-direction:column;gap:6px}
.field--full{grid-column:1/-1}
.field label,.field__lbl{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.field select,.field input,.field textarea{font:inherit;padding:11px 12px;border:2px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);width:100%}
.field select:focus,.field input:focus,.field textarea:focus{outline:none;border-color:var(--c)}
.stepper{display:flex;border:2px solid var(--line);border-radius:8px;overflow:hidden}
.stepper button{width:46px;border:0;background:var(--bg2);font-size:20px;cursor:pointer;font-weight:700;color:var(--ink)}
.stepper button:hover{background:var(--y)}
.stepper input{border:0!important;border-radius:0!important;text-align:center;font-weight:700;font-size:16px}
.radios{display:flex;gap:6px;flex-wrap:wrap}
.radios label{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border:2px solid var(--line);border-radius:8px;cursor:pointer;font-size:14px;font-weight:500;text-transform:none;letter-spacing:0;color:var(--ink);white-space:nowrap}
.radios input{accent-color:var(--m)}
.radios label:has(input:checked){border-color:var(--m);background:var(--m-soft)}
.calc__result{margin-top:18px;padding:16px 18px;background:var(--y-soft);border:2px dashed #E6DA00;border-radius:10px;display:grid;grid-template-columns:1fr auto;gap:8px 20px;align-items:end}
.calc__result small{display:block;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.calc__result .unit{font-size:20px;font-weight:700}
.calc__result .unit s{color:var(--muted);font-weight:400;font-size:14px;margin-left:6px}
.calc__result .total{font-family:var(--ff-h);font-size:34px;line-height:1;color:var(--m);text-align:right}
.calc__result .note{grid-column:1/-1;font-size:12px;color:var(--muted)}
.tiers{margin-top:16px}
.tiers table{width:100%;border-collapse:collapse;font-size:14px}
.tiers th,.tiers td{padding:8px 6px;text-align:center;border-bottom:1px solid var(--line)}
.tiers th{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:700}
.tiers th:first-child,.tiers td:first-child{text-align:left}
.tiers tr.is-active td{background:var(--c-soft);font-weight:700;color:#0092C9}
.tiers .save{font-size:11px;color:var(--m);font-weight:700}
.calc__foot{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.calc__foot .btn{flex:1}

/* ---------- Section chung ---------- */
.section{padding:80px 0}
.section--gray{background:var(--bg2)}
.section--k{background:var(--k);color:#fff}
.section__head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:38px;flex-wrap:wrap}
.section__head p{color:var(--muted);max-width:480px}
.section--k .section__head p{color:#BDBDC2}
.section__kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--m);margin-bottom:10px}
.section__kicker::before{content:"";width:28px;height:6px;background:var(--stripe);border-radius:3px}
.section__title{font-size:clamp(32px,3.6vw,48px)}
.page-head{padding:56px 0 44px;background:var(--bg2);border-bottom:1px solid var(--line)}
.page-head h1{font-size:clamp(40px,5vw,64px);margin:6px 0 12px}
.page-head p{color:var(--muted);max-width:640px;font-size:17px}
.crumbs{font-size:13px;color:var(--muted)}
.crumbs a:hover{color:var(--m)}

/* ---------- Lưới sản phẩm ---------- */
.prods{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.prod{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.25s;position:relative;display:flex;flex-direction:column}
.prod:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.prod .ph{aspect-ratio:4/3}
.prod__tag{position:absolute;top:12px;left:12px;background:var(--k);color:#fff;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 9px;border-radius:6px}
.prod__tag--c{background:var(--c)}.prod__tag--m{background:var(--m)}.prod__tag--y{background:var(--y);color:var(--k)}
.prod__body{padding:16px 18px 18px;flex:1;display:flex;flex-direction:column}
.prod h3{font-size:20px;margin-bottom:4px}
.prod p{font-size:13.5px;color:var(--muted);flex:1}
.prod__price{display:flex;justify-content:space-between;align-items:center;margin-top:12px;padding-top:12px;border-top:1px dashed var(--line)}
.prod__price b{font-size:18px;color:var(--m)}
.prod__price small{display:block;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-weight:700}
.prod__price a{font-weight:700;font-size:13px;color:var(--c)}

/* ---------- Mockup 3D ---------- */
.mock{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.mock__card{background:#fff;border-radius:var(--r);border:1px solid var(--line);padding:30px;display:grid;grid-template-columns:1fr 240px;gap:24px;align-items:center;--mk:#EC008C;--mk-d:#B00066;--mk-l:#F9A0D0}
.mock__stage{height:300px;display:flex;align-items:center;justify-content:center;perspective:900px;background:radial-gradient(circle at 50% 70%,#EEEEF2,#fff 70%);border-radius:12px}
.mock__side h3{font-size:24px;margin-bottom:6px}
.mock__side p{font-size:14px;color:var(--muted);margin-bottom:14px}
.swatches{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.swatches button{width:32px;height:32px;border-radius:50%;border:3px solid #fff;box-shadow:0 0 0 2px var(--line);cursor:pointer;background:var(--sw)}
.swatches button.is-on{box-shadow:0 0 0 2px var(--k)}
.mock__side dl{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:13.5px}
.mock__side dt{color:var(--muted)}.mock__side dd{font-weight:500}
/* Hộp */
.box3d{position:relative;width:160px;height:120px;transform-style:preserve-3d;transform:rotateX(-22deg) rotateY(-34deg);animation:spin 14s linear infinite;--d:100px}
.box3d:hover{animation-play-state:paused}
.box3d>div{position:absolute;inset:0;border:1px solid rgba(0,0,0,.08)}
.box3d .f{background:var(--mk);transform:translateZ(calc(var(--d)/2))}
.box3d .b{background:var(--mk-d);transform:rotateY(180deg) translateZ(calc(var(--d)/2))}
.box3d .l{width:var(--d);background:var(--mk-d);transform:rotateY(-90deg) translateZ(calc(var(--d)/2))}
.box3d .r{width:var(--d);background:var(--mk-d);transform:rotateY(90deg) translateZ(calc(160px - var(--d)/2))}
.box3d .t{height:var(--d);background:var(--mk-l);transform:rotateX(90deg) translateZ(calc(var(--d)/2))}
.box3d .u{height:var(--d);background:var(--mk-d);transform:rotateX(-90deg) translateZ(calc(120px - var(--d)/2))}
.box3d .f::before{content:attr(data-logo);position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--ff-h);font-size:26px;color:#fff;letter-spacing:.06em;text-transform:uppercase}
.box3d .f::after{content:"";position:absolute;left:14px;right:14px;bottom:14px;height:5px;background:var(--stripe);border-radius:3px}
.box3d .t::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:rgba(0,0,0,.15)}
@keyframes spin{from{transform:rotateX(-22deg) rotateY(-34deg)}to{transform:rotateX(-22deg) rotateY(326deg)}}
/* Túi giấy */
.bag3d{position:relative;width:150px;height:190px;transform-style:preserve-3d;transform:rotateX(-8deg) rotateY(-28deg)}
.bag3d>div{position:absolute;border:1px solid rgba(0,0,0,.08)}
.bag3d .f{inset:0;background:var(--mk);transform:translateZ(30px)}
.bag3d .b{inset:0;background:var(--mk-d);transform:rotateY(180deg) translateZ(30px)}
.bag3d .l{top:0;bottom:0;left:0;width:60px;background:var(--mk-d);transform:rotateY(-90deg) translateZ(30px)}
.bag3d .l::before{content:"";position:absolute;top:0;bottom:0;left:50%;width:1px;background:rgba(0,0,0,.18)}
.bag3d .r{top:0;bottom:0;left:0;width:60px;background:var(--mk-d);transform:rotateY(90deg) translateZ(120px)}
.bag3d .u{left:0;right:0;bottom:0;height:60px;background:var(--mk-d);transform:rotateX(-90deg) translateZ(30px)}
.bag3d .h{top:-34px;left:38px;width:74px;height:60px;border:6px solid #3A3536;border-bottom:0;border-radius:40px 40px 0 0;background:none;transform:translateZ(30px)}
.bag3d .h2{top:-34px;left:38px;width:74px;height:60px;border:6px solid #2A2627;border-bottom:0;border-radius:40px 40px 0 0;background:none;transform:translateZ(-30px)}
.bag3d .f::before{content:attr(data-logo);position:absolute;left:0;right:0;top:44%;text-align:center;font-family:var(--ff-h);font-size:22px;color:#fff;letter-spacing:.08em;text-transform:uppercase}
.bag3d .f::after{content:"";position:absolute;left:0;right:0;bottom:0;height:8px;background:var(--stripe)}
.mock__card--bag{--mk:#00AEEF;--mk-d:#0084B8;--mk-l:#7FD6F7}

/* ---------- Quy trình 5 bước ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.steps::before{content:"";position:absolute;left:10%;right:10%;top:34px;height:4px;background:var(--stripe);border-radius:2px}
.step{text-align:center;padding:0 12px;position:relative}
.step__no{width:68px;height:68px;border-radius:50%;background:#fff;border:4px solid var(--k);display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-family:var(--ff-h);font-size:26px;position:relative}
.step:nth-child(1) .step__no{border-color:var(--c)}.step:nth-child(2) .step__no{border-color:var(--m)}.step:nth-child(3) .step__no{border-color:#E6DA00}.step:nth-child(5) .step__no{border-color:var(--c)}
.step h3{font-size:19px;margin-bottom:6px}
.step p{font-size:13.5px;color:var(--muted)}
.step small{display:inline-block;margin-top:8px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:var(--bg2);padding:4px 10px;border-radius:999px}

/* ---------- Hộp hướng dẫn file ---------- */
.guide{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:start}
.guide__box{background:#fff;border:2px solid var(--k);border-radius:var(--r);padding:26px;position:relative}
.guide__box::before{content:"";position:absolute;left:-2px;right:-2px;top:-2px;height:8px;background:var(--stripe);border-radius:var(--r) var(--r) 0 0}
.guide__box h3{font-size:22px;margin:6px 0 14px}
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{padding:10px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.tbl th{background:var(--bg2);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.tbl tr:last-child td{border-bottom:0}
.tbl td b{font-weight:700}
.tbl--wrap{overflow-x:auto}
.notes{display:grid;gap:12px}
.note{display:flex;gap:14px;padding:16px;border-radius:12px;background:#fff;border:1px solid var(--line)}
.note__ic{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex:none;color:#fff}
.note__ic svg{width:22px;height:22px}
.note__ic--c{background:var(--c)}.note__ic--m{background:var(--m)}.note__ic--y{background:var(--y);color:var(--k)}.note__ic--k{background:var(--k)}
.note h4{font-size:17px;margin-bottom:3px}
.note p{font-size:13.5px;color:var(--muted)}
/* Sơ đồ bleed */
.bleed-wrap{padding:40px 30px 20px}
.bleed{position:relative;aspect-ratio:1.4/1;max-width:520px;margin:0 auto;background:repeating-linear-gradient(45deg,#FDE6F3 0 6px,#fff 6px 12px);border:2px dashed var(--m);border-radius:4px}
.bleed__trim{position:absolute;inset:9%;background:#fff;border:2px solid var(--k);display:flex;align-items:center;justify-content:center}
.bleed__safe{position:absolute;inset:11%;border:2px dashed var(--c);display:flex;align-items:center;justify-content:center;text-align:center;padding:16px;font-size:14px;color:var(--muted)}
.bleed__safe b{display:block;font-family:var(--ff-h);font-size:26px;color:var(--ink);letter-spacing:.04em}
.bleed__lbl{position:absolute;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;border-radius:4px;color:#fff;white-space:nowrap;z-index:2}
.bleed__lbl--m{background:var(--m);top:6px;left:8px}
.bleed__lbl--k{background:var(--k);top:calc(9% - 12px);right:12%}
.bleed__lbl--c{background:var(--c);bottom:calc(11% + 6px);left:15%}
.bleed__dim{position:absolute;font-size:12px;color:var(--muted);font-weight:500}
.bleed__dim--top{top:-26px;left:0;right:0;text-align:center}
.bleed__dim--right{bottom:-26px;left:0;right:0;text-align:center}
.legend{display:flex;gap:18px;flex-wrap:wrap;justify-content:center;margin-top:36px;font-size:13px}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:22px;height:12px;display:inline-block;border-radius:2px}
.legend .i-m{background:repeating-linear-gradient(45deg,#FDE6F3 0 3px,#fff 3px 6px);border:1px dashed var(--m)}
.legend .i-k{border:2px solid var(--k)}.legend .i-c{border:2px dashed var(--c)}

/* ---------- Masonry dự án ---------- */
.masonry{columns:3;column-gap:18px}
.tile{break-inside:avoid;margin-bottom:18px;border-radius:12px;overflow:hidden;position:relative;background:#fff;border:1px solid var(--line)}
.tile .ph{width:100%}
.tile--s .ph{aspect-ratio:1/1}.tile--t .ph{aspect-ratio:3/4}.tile--w .ph{aspect-ratio:4/3}.tile--xw .ph{aspect-ratio:16/9}
.tile__cap{padding:12px 14px;display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:14px}
.tile__cap b{display:block;font-weight:700}
.tile__cap small{color:var(--muted);font-size:12.5px}
.tile__cat{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:4px 9px;border-radius:6px;background:var(--k-soft);white-space:nowrap}
.tile__cat--c{background:var(--c-soft);color:#0084B8}.tile__cat--m{background:var(--m-soft);color:#B00066}.tile__cat--y{background:var(--y-soft);color:#7A7300}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.filters button{font:inherit;font-weight:500;padding:9px 16px;border:2px solid var(--line);background:#fff;border-radius:999px;cursor:pointer;font-size:14px}
.filters button:hover{border-color:var(--k)}
.filters button.is-on{background:var(--k);color:#fff;border-color:var(--k)}
.tile.is-hidden{display:none}

/* ---------- Logo khách hàng ---------- */
.clients{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.client{border:1px solid var(--line);border-radius:10px;height:78px;display:flex;align-items:center;justify-content:center;font-family:var(--ff-h);font-size:19px;letter-spacing:.08em;color:#9A9AA2;background:#fff;text-transform:uppercase;gap:8px;transition:.2s}
.client i{width:12px;height:12px;border-radius:3px;display:inline-block}
.client:hover{color:var(--ink);border-color:var(--k)}

/* ---------- Nhận xét ---------- */
.testi{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote{background:#fff;border-radius:var(--r);padding:26px;border:1px solid var(--line);position:relative}
.quote::before{content:"\201C";position:absolute;top:8px;right:20px;font-family:var(--ff-h);font-size:80px;line-height:1;color:var(--y)}
.quote p{font-size:15px;margin-bottom:16px;position:relative}
.quote__who{display:flex;align-items:center;gap:12px}
.quote__av{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--ff-h);font-size:18px}
.quote__who b{display:block;font-size:14px}.quote__who small{color:var(--muted);font-size:12.5px}
.stars{color:#F5B800;font-size:13px;letter-spacing:2px;margin-bottom:10px}

/* ---------- Dải CTA gửi file ---------- */
.cta{background:var(--k);color:#fff;border-radius:var(--r);padding:38px 40px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;left:0;top:0;bottom:0;width:10px;background:linear-gradient(180deg,var(--c) 0 25%,var(--m) 25% 50%,var(--y) 50% 75%,#fff 75%)}
.cta h2{font-size:34px;margin-bottom:6px}
.cta p{color:#BDBDC2}

/* ---------- Footer ---------- */
.footer{background:#141213;color:#BDBDC2;padding:60px 0 0}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.footer h4{color:#fff;font-size:17px;margin-bottom:14px;letter-spacing:.06em}
.footer a:hover{color:var(--y)}
.footer li{margin-bottom:8px;font-size:14.5px}
.footer .logo{color:#fff;margin-bottom:14px}
.footer .logo small{color:#8E8E96}
.footer p{font-size:14px}
.footer__hours{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;font-size:14px}
.footer__hours b{color:#fff;font-weight:500}
.footer__bot{border-top:1px solid #2C292A;padding:18px 0;font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ---------- Trang sản phẩm ---------- */
.subnav{position:sticky;top:78px;z-index:40;background:#fff;border-bottom:1px solid var(--line)}
.subnav__in{display:flex;gap:4px;overflow-x:auto;padding:10px 0;scrollbar-width:none}
.subnav__in a{white-space:nowrap;padding:8px 14px;border-radius:999px;font-size:14px;font-weight:500;border:2px solid var(--line)}
.subnav__in a:hover{border-color:var(--k)}
.pdetail{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start;padding:60px 0;border-bottom:1px solid var(--line);scroll-margin-top:140px}
.pdetail:nth-child(even){direction:rtl}.pdetail:nth-child(even)>*{direction:ltr}
.pdetail__img .ph{aspect-ratio:4/3;border-radius:var(--r)}
.pdetail__img{position:sticky;top:150px}
.pdetail h2{font-size:38px;margin-bottom:6px}
.pdetail .from{font-size:15px;color:var(--muted);margin-bottom:16px}
.pdetail .from b{color:var(--m);font-size:24px;font-family:var(--ff-h);letter-spacing:.03em}
.pdetail__opts{margin:18px 0}
.pdetail__opts h4{font-size:14px;letter-spacing:.1em;color:var(--muted);margin-bottom:8px;font-family:var(--ff);font-weight:700}
.tags{display:flex;gap:6px;flex-wrap:wrap}
.tags span{padding:6px 11px;border-radius:6px;background:var(--bg2);font-size:13px;border:1px solid var(--line)}
.pdetail__act{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.dl{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border:2px solid var(--line);border-radius:8px;font-size:13.5px;font-weight:500;background:#fff}
.dl:hover{border-color:var(--c);color:var(--c)}
.dl small{color:var(--muted);font-weight:400}

/* ---------- Trang báo giá ---------- */
.bg-layout{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.bg-layout .calc[data-calc]{position:sticky;top:100px}
.tiergrid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.tiercard{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.tiercard__head{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line)}
.tiercard__head .ph{width:52px;height:52px;border-radius:10px;flex:none}
.tiercard__head h3{font-size:20px}
.tiercard__head small{color:var(--muted);font-size:12.5px;display:block;font-family:var(--ff)}
.tiercard .tiers{margin:0;padding:6px 12px 12px}
.drop{display:block;border:3px dashed var(--c);border-radius:var(--r);padding:34px;text-align:center;background:var(--c-soft);cursor:pointer;transition:.2s}
.drop:hover,.drop.is-over{background:#D2EEFB;border-color:#0092C9}
.drop svg{width:44px;height:44px;color:var(--c);margin:0 auto 10px}
.drop b{display:block;font-size:17px}
.drop small{color:var(--muted);font-size:13px}
.drop input{display:none}
.filelist{margin-top:12px;display:grid;gap:6px;font-size:13.5px}
.filelist li{display:flex;justify-content:space-between;padding:8px 12px;background:var(--bg2);border-radius:6px}
.form{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px}
.form .field--full{grid-column:1/-1}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px}
.check input{accent-color:var(--m);margin-top:4px}

/* ---------- Trang hướng dẫn ---------- */
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.cmp__col{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px}
.cmp__col h3{font-size:22px;display:flex;align-items:center;gap:10px;margin-bottom:8px}
.cmp__col p{font-size:14px;color:var(--muted);margin-bottom:14px}
.sw{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.sw div{aspect-ratio:1/1;border-radius:10px;display:flex;align-items:flex-end;padding:8px;font-size:11px;font-weight:700;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.4);background:var(--sw)}
.badge{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:4px 9px;border-radius:6px;font-family:var(--ff)}
.badge--ok{background:#DDF7E7;color:#137A3A}.badge--no{background:var(--m-soft);color:#B00066}
.checklist{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.checklist label{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;background:#fff;border:2px solid var(--line);border-radius:10px;cursor:pointer;font-size:14.5px}
.checklist label:has(input:checked){border-color:var(--c);background:var(--c-soft)}
.checklist input{accent-color:var(--c);margin-top:4px;width:18px;height:18px;flex:none}
.checklist small{display:block;color:var(--muted);font-size:12.5px}
.progress{margin-top:18px;height:14px;background:var(--line);border-radius:999px;overflow:hidden}
.progress i{display:block;height:100%;width:0;background:var(--stripe);transition:.3s}
.toc{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
.toc a{padding:7px 13px;border-radius:999px;background:#fff;border:2px solid var(--line);font-size:13.5px;font-weight:500}
.toc a:hover{border-color:var(--m);color:var(--m)}
.faq details{border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:10px;background:#fff}
.faq summary{font-weight:700;cursor:pointer;font-size:15px}
.faq details p{margin-top:8px;font-size:14px;color:var(--muted)}
.anchor{scroll-margin-top:100px}

/* ---------- Trang liên hệ ---------- */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:start}
.info{display:grid;gap:14px}
.info__item{display:flex;gap:14px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:12px}
.info__item .note__ic{width:46px;height:46px}
.info__item h4{font-size:17px;margin-bottom:3px}
.info__item p{font-size:14px;color:var(--muted)}
.map{position:relative;border-radius:var(--r);overflow:hidden;height:300px;background:#E9EEF2;background-image:linear-gradient(#D8DEE4 1px,transparent 1px),linear-gradient(90deg,#D8DEE4 1px,transparent 1px);background-size:40px 40px}
.map::before{content:"";position:absolute;left:-10%;right:-10%;top:46%;height:26px;background:#fff;transform:rotate(-6deg)}
.map::after{content:"";position:absolute;top:-10%;bottom:-10%;left:38%;width:18px;background:#fff;transform:rotate(12deg)}
.map__pin{position:absolute;left:52%;top:44%;transform:translate(-50%,-100%);z-index:2;text-align:center}
.map__pin i{display:block;width:26px;height:26px;background:var(--m);border-radius:50% 50% 50% 0;transform:rotate(-45deg);margin:0 auto 6px;border:4px solid #fff;box-shadow:0 4px 12px rgba(0,0,0,.25)}
.map__pin span{background:var(--k);color:#fff;font-size:12px;padding:5px 10px;border-radius:6px;font-weight:500;white-space:nowrap}
.map__note{position:absolute;bottom:10px;left:10px;background:#fff;padding:6px 10px;border-radius:6px;font-size:12px;color:var(--muted);z-index:2}
.hours{width:100%;border-collapse:collapse;font-size:14px}
.hours td{padding:9px 0;border-bottom:1px solid var(--line)}
.hours td:last-child{text-align:right;font-weight:500}
.hours tr.is-today td{color:var(--m);font-weight:700}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .hero__in{gap:30px}
  .hotline{display:none}
  .prods{grid-template-columns:repeat(3,1fr)}
  .clients{grid-template-columns:repeat(3,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
  .tiergrid{grid-template-columns:1fr}
}
@media (max-width:980px){
  .header__in{height:68px;gap:14px}
  .hotline,.header .btn{display:none}
  .burger{display:flex}
  .nav{position:absolute;left:0;right:0;top:68px;background:#fff;flex-direction:column;padding:12px;display:none;box-shadow:0 20px 30px rgba(0,0,0,.1);border-bottom:6px solid var(--k)}
  .nav.is-open{display:flex}
  .nav a{padding:12px 14px}
  .hero{padding:40px 0 50px}
  .hero__in,.mock,.guide,.bg-layout,.contact,.cmp,.pdetail{grid-template-columns:1fr}
  .pdetail:nth-child(even){direction:ltr}
  .pdetail__img{position:static}
  .mock__card{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(3,1fr);gap:24px 0}
  .steps::before{display:none}
  .testi{grid-template-columns:1fr 1fr}
  .masonry{columns:2}
  .bg-layout .calc{position:static}
  .subnav{top:68px}
  .cta{grid-template-columns:1fr}
  .section{padding:60px 0}
}
@media (max-width:640px){
  .hero h1{font-size:42px}
  .hero__stats{gap:18px;flex-wrap:wrap}
  .calc__grid,.form,.checklist{grid-template-columns:1fr}
  .calc__body{padding:18px 16px}
  .calc__result{grid-template-columns:1fr}
  .calc__result .total{text-align:left}
  .prods{grid-template-columns:1fr 1fr;gap:12px}
  .prod h3{font-size:17px}
  .prod__body{padding:12px}
  .steps{grid-template-columns:1fr 1fr}
  .masonry{columns:1}
  .testi,.clients{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:1fr}
  .cta{padding:28px 22px}
  .cta h2{font-size:28px}
  .mock__stage{height:260px}
  .bleed-wrap{padding:36px 10px 10px}
  .pdetail h2{font-size:30px}
  .section__title{font-size:30px}
}