/* VINASẤY — main.css. Mobile-first. Bố cục theo mẫu giayvesinhcuonlon.com, màu + font theo nhận diện VINASẤY. */
:root{
  --red:#D80010; --red-dark:#B0000D; --red-soft:#FDECEE;
  --blue:#0089D0; --blue-2:#2AA6E8; --blue-soft:#E4F2FD;
  /* Màu theo logo VINASẤY: chữ đỏ là chủ đạo + 4 ô đỏ / vàng chanh / xanh lá / xanh dương trên nền trắng.
     --navy giữ tên cũ nhưng giờ là màu chữ đậm trung tính để 4 màu logo nổi lên. */
  --navy:#1F2A37; --navy-deep:#15191F;
  --green:#0DB14B; --green-dark:#0A8A3B; --green-soft:#E6F7EC;
  --lime:#D6DF20; --lime-soft:#F7F9D9; --orange:#F28C28; --zalo:#0068FF;
  --bg:#F5F7FA; --white:#fff;
  --text:#1F2A37; --muted:#5B6675; --border:#E3E8EF;
  --grad-brand:linear-gradient(135deg,#0076B4,var(--blue));
  --grad-deep:linear-gradient(135deg,var(--navy-deep),#242C38);
  --grad-red:linear-gradient(135deg,#A8000C,var(--red));
  --logo-stripe:linear-gradient(90deg,var(--red) 0 25%,var(--lime) 25% 50%,var(--green) 50% 75%,var(--blue) 75%);
  --f:"Roboto",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --fs-h1:clamp(1.75rem,1.2rem + 2.2vw,2.75rem);
  --fs-h2:clamp(1.45rem,1.2rem + 1vw,2rem);
  --fs-h3:clamp(1.05rem,1rem + .3vw,1.2rem);
  --radius:16px; --radius-lg:22px; --radius-sm:10px; --radius-btn:8px;
  --shadow-sm:0 2px 10px rgba(31,42,55,.08);
  --shadow:0 16px 36px rgba(31,42,55,.14);
  --space:clamp(2.75rem,2rem + 3vw,4.75rem);
  --container:1320px;
  --header-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px)}
body{font-family:var(--f);font-size:16px;line-height:1.7;color:var(--text);background:var(--white);-webkit-font-smoothing:antialiased;padding-bottom:58px}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--navy)}
h1,h2,h3,h4{line-height:1.25;font-weight:700;color:var(--navy)}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:8px 14px;z-index:100}
.skip:focus{left:8px;top:8px}
:focus-visible{outline:3px solid var(--blue-2);outline-offset:2px}
svg.i{width:1.15em;height:1.15em;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- Nút, nhãn ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.4rem;border-radius:var(--radius-btn);font-weight:700;font-size:1rem;border:2px solid transparent;cursor:pointer;transition:.2s;line-height:1.3;text-align:center}
.btn--lg{padding:.9rem 1.7rem;font-size:1.05rem}
.btn--sm{padding:.55rem 1rem;font-size:.92rem}
.btn--red{background:var(--red);color:#fff;box-shadow:0 8px 20px rgba(216,0,16,.25)}
.btn--red:hover{background:var(--red-dark);color:#fff;transform:translateY(-1px)}
.btn--ghost{border-color:rgba(255,255,255,.75);color:#fff;background:transparent}
.btn--ghost:hover{background:#fff;color:var(--navy)}
.btn--outline{border-color:var(--blue);color:var(--blue);background:#fff}
.btn--outline:hover{background:var(--blue);color:#fff}
.btn--green{background:var(--green);color:#fff}
.btn--green:hover{background:var(--green-dark);color:#fff}
.btn--white{background:#fff;color:var(--red)}
.btn--white:hover{background:var(--navy-deep);color:#fff}
.pill{display:inline-block;padding:.32rem .95rem;border-radius:999px;font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:var(--red-soft);color:var(--red)}
.pill--light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.35)}

/* ---------- Đầu trang ---------- */
.topbar{display:none;background:var(--navy-deep);color:#C9DDF2;font-size:.85rem}
.topbar__in{display:flex;align-items:center;gap:22px;min-height:38px}
.topbar a,.topbar span,.topbar li{display:flex;align-items:center;gap:6px;color:#C9DDF2}
.topbar__phone b{color:#fff;letter-spacing:.02em}
.topbar__phone:hover{color:#fff}
.topbar__promises{display:flex;gap:20px;margin-left:auto}
.topbar svg{color:var(--lime)}
.mainbar{background:#fff;position:relative;box-shadow:0 2px 14px rgba(31,42,55,.08)}
.site-header{position:sticky;top:0;z-index:50}
.mainbar__in{display:flex;align-items:center;gap:16px;min-height:var(--header-h)}
.brand{flex:none}
.brand img{height:40px;width:auto}
.mainbar__cta{display:none}
.burger{margin-left:auto;width:46px;height:42px;border:1px solid var(--border);border-radius:10px;background:#fff;cursor:pointer;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.burger span{width:20px;height:2px;background:var(--navy);transition:.2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-top:1px solid var(--border);box-shadow:var(--shadow);max-height:calc(100vh - var(--header-h));overflow-y:auto;padding:8px 16px 18px}
.nav.is-open{display:block}
.menu>li>a{display:flex;align-items:center;justify-content:space-between;gap:4px;padding:12px 4px;color:var(--navy);font-weight:700;border-bottom:1px solid var(--border)}
.menu>li>a.is-active,.menu .current-menu-item>a{color:var(--red)}
.sub{padding:4px 0 8px 12px}
.sub a{display:flex;justify-content:space-between;padding:8px 4px;color:var(--text);font-size:.95rem}
.sub a small{color:var(--muted);font-weight:700}
.nav__mobile-cta{display:grid;gap:10px;margin-top:16px}

/* ---------- Khối chung ---------- */
.section{padding:var(--space) 0}
.section--bg{background:var(--bg)}
.head{text-align:center;max-width:760px;margin:0 auto 34px}
.head h2{font-size:var(--fs-h2);margin:12px 0 10px}
.head p{color:var(--muted)}
.center{text-align:center;margin-top:30px}
.note{font-size:.88rem;color:var(--muted);margin-top:14px;text-align:center}
.grid-2,.grid-3,.grid-4,.grid-products{display:grid;gap:20px}

/* ---------- Hero (chữ là chính) ---------- */
.hero{background:radial-gradient(circle at 85% 15%,rgba(42,166,232,.45),transparent 45%),var(--grad-deep);color:#fff;padding:36px 0 44px;overflow:hidden}
.hero__in{display:grid;gap:28px;align-items:center}
.hero__media{order:-1;position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:0 18px 40px rgba(0,0,0,.35)}
.hero__media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero__media figcaption{position:absolute;left:12px;bottom:12px;background:rgba(21,25,31,.85);color:#fff;font-size:.85rem;padding:6px 14px;border-radius:999px}
.hero__media figcaption b{color:var(--lime)}
.hero h1{color:#fff;font-size:var(--fs-h1);margin:18px 0 18px;font-weight:900;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:#FF4B57}
.hero__list{display:grid;gap:9px;margin-bottom:20px}
.hero__list li{display:flex;gap:10px;color:#DCECFF;line-height:1.5}
.hero__list svg{color:var(--green);margin-top:3px;stroke-width:3}
.hero__stat{border-left:4px solid var(--lime);padding:6px 0 6px 14px;color:#DCECFF;margin-bottom:26px}
.hero__stat b{color:#fff;font-size:1.6rem;font-weight:900;margin-right:4px}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 6 lý do (đánh số 01–06) ---------- */
.reasons{display:grid;gap:32px;align-items:center}
.reasons__text h2{font-size:var(--fs-h2);margin:12px 0 22px}
.reasons__list{display:grid;gap:16px}
.reasons__list li{display:flex;gap:16px;align-items:flex-start}
.reasons__n{flex:none;font-size:1.6rem;font-weight:900;color:var(--red);line-height:1;min-width:46px;padding-top:2px;font-variant-numeric:tabular-nums}
.reasons__list h3{font-size:1.06rem;margin-bottom:2px}
.reasons__list p{color:var(--muted);font-size:.95rem;line-height:1.6}
.reasons__media{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.reasons__media img{border-radius:var(--radius);width:100%;aspect-ratio:3/4;object-fit:cover;box-shadow:var(--shadow-sm)}
.reasons__media img:last-child{margin-top:36px}
.reasons__list--grid{display:grid;gap:18px}
.reasons__list--grid li{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}

/* ---------- Chọn máy theo sản phẩm ---------- */
.needs{display:grid;gap:16px}
.need{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:.2s}
.need:hover{border-color:var(--blue);transform:translateY(-3px);box-shadow:var(--shadow)}
.need__ic{width:50px;height:50px;border-radius:12px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;margin-bottom:12px}
.need__ic svg{width:28px;height:28px}
.need h3{font-size:1.08rem}
.need__ex{color:var(--muted);font-size:.9rem;margin:2px 0 12px}
.need__rec{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-bottom:10px}
.need__rec span{font-size:.82rem;color:var(--muted);font-weight:700}
.need__rec a{background:var(--red-soft);color:var(--red);font-weight:700;font-size:.85rem;padding:3px 10px;border-radius:999px}
.need__rec a small{opacity:.75}
.need__rec a:hover{background:var(--red);color:#fff}
.need__why{font-size:.88rem;color:var(--text);margin-top:auto;padding-top:10px;border-top:1px dashed var(--border);line-height:1.55}
.hint{margin-top:24px;background:#fff;border:1px solid var(--border);border-left:4px solid var(--lime);border-radius:var(--radius);padding:18px 20px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.hint p{display:flex;gap:10px;align-items:flex-start;color:var(--navy);font-weight:500}
.hint svg{color:var(--orange);margin-top:4px}

/* ---------- Thẻ dòng máy (thông số + 2 nút) ---------- */
.pcard{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border);display:flex;flex-direction:column;transition:.2s}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.pcard__img{display:block;aspect-ratio:4/3;overflow:hidden;background:#e8eef5}
.pcard__img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.pcard:hover .pcard__img img{transform:scale(1.05)}
.pcard__body{padding:18px;display:flex;flex-direction:column;flex:1}
.pcard__top{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.pcard__code{background:var(--navy);color:#fff;font-weight:700;font-size:.78rem;padding:3px 10px;border-radius:999px;letter-spacing:.04em}
.pcard__tag{background:var(--green-soft);color:var(--green-dark);font-weight:700;font-size:.78rem;padding:3px 10px;border-radius:999px}
.pcard h3{font-size:var(--fs-h3)}
.pcard h3 a{color:var(--navy)}
.pcard h3 a:hover{color:var(--blue)}
.pcard__fit{font-size:.9rem;color:var(--muted);margin:4px 0 12px;line-height:1.55}
.pcard__specs{border-top:1px solid var(--border);margin-bottom:16px;flex:1}
.pcard__specs li{display:flex;justify-content:space-between;gap:10px;padding:7px 0;border-bottom:1px solid var(--border);font-size:.86rem;line-height:1.4}
.pcard__specs span{color:var(--muted);flex:none}
.pcard__specs b{color:var(--text);text-align:right;font-weight:500}
.pcard__btns{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.pcard--cta{background:var(--grad-brand);color:#fff;justify-content:center;padding:28px;border:0}
.pcard--cta h3{color:#fff;font-size:1.35rem;margin-bottom:10px}
.pcard--cta p{color:#DCECFF;margin-bottom:20px}

/* ---------- Bảng ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--border);background:#fff;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:760px;font-size:.94rem}
th,td{padding:13px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--border)}
thead th{background:var(--navy);color:#fff;font-weight:700;font-size:.85rem;text-transform:uppercase;letter-spacing:.03em}
tbody tr:nth-child(even){background:#F8FBFE}
tbody tr:hover{background:var(--blue-soft)}
td:first-child a{font-weight:700;color:var(--navy)}
td:first-child small{display:block;color:var(--blue);font-weight:700}
td.no{color:var(--muted)}
.legal table{min-width:0}
.legal th{width:34%;color:var(--navy);background:#F8FBFE}

/* ---------- Về VINASẤY ---------- */
.why{display:grid;gap:32px;align-items:center}
.why__media{display:grid;grid-template-columns:1.2fr 1fr;grid-template-rows:1fr 1fr;gap:12px;height:340px}
.why__media img{border-radius:var(--radius);width:100%;height:100%;object-fit:cover}
.why__media img:first-child{grid-row:span 2}
.why h2{font-size:var(--fs-h2);margin:12px 0 14px}
.why__lead{color:var(--muted);margin-bottom:16px;text-align:justify}
.why__quote{border-left:4px solid var(--lime);background:var(--bg);padding:12px 18px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-style:italic;color:var(--navy);margin-bottom:22px}
.stats{margin-top:44px;display:grid;grid-template-columns:repeat(2,1fr);background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.stat{padding:22px 12px;text-align:center;border-bottom:1px solid var(--border)}
.stat:nth-child(odd){border-right:1px solid var(--border)}
.stat:nth-child(n+3){border-bottom:0}
.stat b{display:block;font-size:1.9rem;font-weight:900;color:var(--red);line-height:1.1}
.stat span{color:var(--muted);font-size:.9rem}

/* ---------- Dịch vụ ---------- */
.scard{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border)}
.scard img{aspect-ratio:16/10;object-fit:cover;width:100%}
.scard__body{padding:18px 20px 22px}
.scard h3{font-size:var(--fs-h3);margin-bottom:6px}
.scard p{font-size:.93rem;color:var(--muted)}
.banner{margin-top:24px;background:linear-gradient(110deg,#FFF6E6,#FDECEE);border:1px solid #F8D9B5;border-radius:var(--radius);padding:20px 24px;display:flex;align-items:center;gap:16px 20px;flex-wrap:wrap}
.banner__ic{width:50px;height:50px;border-radius:50%;background:var(--orange);color:#fff;display:grid;place-items:center;flex:none}
.banner b{color:var(--navy);font-size:1.08rem}
.banner p{color:var(--muted);font-size:.95rem}

/* ---------- Quy trình ---------- */
.steps{display:grid;grid-template-columns:1fr 1fr;gap:26px 14px;position:relative}
.step{text-align:center}
.step__n{width:54px;height:54px;margin:0 auto 10px;border-radius:50%;background:#fff;border:2px solid var(--blue);color:var(--blue);font-weight:900;font-size:1.25rem;display:grid;place-items:center;position:relative;z-index:1}
.step:nth-child(4) .step__n,.step:last-child .step__n{background:var(--red);border-color:var(--red);color:#fff}
.step__label{display:block;font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue)}
.step h3{font-size:1rem;margin:2px 0 6px}
.step p{font-size:.86rem;color:var(--muted);line-height:1.5}
.steps-note{text-align:center;margin-top:28px}

/* ---------- Hỏi đáp ---------- */
.faq{max-width:900px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:12px;box-shadow:var(--shadow-sm)}
.faq summary{list-style:none;cursor:pointer;padding:16px 54px 16px 20px;position:relative}
.faq summary h3{font-size:1rem;color:var(--navy);line-height:1.45}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:50%;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-size:1.2rem;line-height:1}
.faq details[open] summary::after{content:"−";background:var(--red);color:#fff}
.faq details[open]{border-color:var(--blue)}
.faq .ans{padding:0 20px 18px;color:var(--muted);text-align:justify}

/* ---------- Báo giá ---------- */
.quote{background:radial-gradient(circle at 10% 10%,rgba(42,166,232,.35),transparent 40%),var(--grad-deep);color:#fff}
.quote__in{display:grid;gap:32px;align-items:center}
.quote h2{color:#fff;font-size:var(--fs-h2);margin:14px 0}
.quote__lead{color:#DCECFF;margin-bottom:24px}
.benefits{display:grid;gap:12px;margin-bottom:24px}
.benefits li{display:flex;gap:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);padding:14px}
.benefits .ic{width:38px;height:38px;border-radius:50%;background:rgba(13,177,75,.2);color:#3BE07B;display:grid;place-items:center;flex:none}
.benefits b{display:block;line-height:1.35}
.benefits span{font-size:.86rem;color:#B9D6F2;line-height:1.45;display:block}
.quote__call{display:flex;gap:12px;flex-wrap:wrap}
.form{background:#fff;color:var(--text);border-radius:var(--radius-lg);padding:22px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.form h3{font-size:1.3rem;margin-bottom:4px}
.form>p{color:var(--muted);font-size:.92rem;margin-bottom:16px}
.row{display:grid;gap:0 12px}
.field{margin-bottom:12px}
.field label{display:block;font-size:.85rem;font-weight:700;color:var(--navy);margin-bottom:4px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--border);border-radius:var(--radius-btn);padding:.7rem .85rem;font-size:1rem;color:var(--text);background:#F8FBFE;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(0,137,208,.15)}
.field textarea{min-height:84px;resize:vertical}
.form .btn{width:100%;margin-top:6px}
.form__note{font-size:.8rem;color:var(--muted);margin-top:10px;text-align:center}
.form__msg{border-radius:var(--radius-btn);padding:12px 14px;margin-bottom:14px;font-size:.93rem}
.form__msg--ok{background:var(--green-soft);color:#0A6B30}
.form__msg--err{background:var(--red-soft);color:var(--red-dark)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- Tin tức ---------- */
.ncard{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border);display:flex;flex-direction:column}
.ncard__img{display:block;aspect-ratio:16/10;overflow:hidden}
.ncard__img img{width:100%;height:100%;object-fit:cover}
.ncard__body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.ncard .tag{font-size:.76rem;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.05em}
.ncard h3{font-size:1.08rem;margin:6px 0 8px}
.ncard h3 a{color:var(--navy)}
.ncard p{font-size:.92rem;color:var(--muted);flex:1}
.ncard time{font-size:.82rem;color:var(--muted);margin-top:10px}

/* ---------- Trang con ---------- */
.crumb ol{display:flex;flex-wrap:wrap;gap:4px;font-size:.86rem;color:#B9D6F2;margin-bottom:14px}
.crumb li+li::before{content:"›";margin-right:4px;opacity:.7}
.crumb a{color:#DCECFF}
.crumb a:hover{color:#fff}
.phero{background:radial-gradient(circle at 85% 15%,rgba(42,166,232,.4),transparent 45%),var(--grad-deep);color:#DCECFF;padding:24px 0 40px}
.phero h1{color:#fff;font-size:var(--fs-h1);font-weight:900;margin-bottom:14px}
.phero h1 em{font-style:normal;color:#FF4B57}
.phero--simple{padding-bottom:34px}
.phero__lead{max-width:760px;font-size:1.05rem}
.phero__in{display:grid;gap:28px;align-items:start}
.phero__text p{margin-bottom:12px;text-align:justify}
.phero__specs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0 24px}
.phero__specs li{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-sm);padding:10px 12px;line-height:1.4}
.phero__specs span{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:#9FC3E6}
.phero__specs b{color:#fff;font-weight:500;font-size:.95rem}
.phero .btn--outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.75)}
.phero .btn--outline:hover{background:#fff;color:var(--navy)}
.phero .meta{color:#B9D6F2}
.phero .meta a{color:#fff}
.gallery__main{border-radius:var(--radius);overflow:hidden;box-shadow:0 18px 40px rgba(0,0,0,.35);background:#0b2a4a}
.gallery__main img{width:100%;aspect-ratio:4/3;object-fit:cover}
.gallery__thumbs{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:10px}
.gallery__thumbs button{border:2px solid transparent;border-radius:8px;overflow:hidden;padding:0;cursor:pointer;background:none;opacity:.7;transition:.15s}
.gallery__thumbs button.is-active,.gallery__thumbs button:hover{border-color:var(--lime);opacity:1}
.gallery__thumbs img{aspect-ratio:4/3;object-fit:cover;width:100%}
.detail{display:grid;gap:28px}
.detail h2{font-size:var(--fs-h2);margin:12px 0 18px}
.ticks{display:grid;gap:12px}
.ticks li{display:flex;gap:12px;text-align:justify}
.ticks svg{color:var(--green);margin-top:4px}
.detail__side{display:grid;gap:14px;align-content:start}
.fitbox{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-sm)}
.fitbox h3{font-size:1rem;margin-bottom:4px}
.fitbox p{color:var(--muted);font-size:.94rem}
.fitbox--yes{border-left:4px solid var(--green)}
.fitbox--no{border-left:4px solid var(--muted)}
.fitbox--note{border-left:4px solid var(--orange)}
.models td:last-child a{font-weight:700;color:var(--red)}
.prose{max-width:860px}
.prose>*+*{margin-top:1em}
.prose p,.prose li{text-align:justify}
.prose h2{font-size:1.5rem;margin-top:1.6em}
.prose h3{font-size:1.2rem;margin-top:1.3em}
.prose ul{list-style:disc;padding-left:1.4em}
.prose ol{list-style:decimal;padding-left:1.4em}
.prose img{border-radius:var(--radius-sm)}
.prose__thumb{margin-bottom:1.4em}
.mv{display:grid;gap:16px;margin-bottom:var(--space)}
.mv__box{background:#fff;border-radius:var(--radius);padding:24px;border:1px solid var(--border);box-shadow:var(--shadow-sm)}
.mv__box p{margin-top:10px;color:var(--navy);font-size:1.05rem;text-align:justify}
.values{display:grid;gap:16px}
.value{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}
.value h3{margin:8px 0 4px;font-size:1.1rem}
.value p{color:var(--muted);font-size:.93rem}
.timeline{max-width:820px;margin:0 auto;border-left:3px solid var(--blue-soft);padding-left:22px}
.timeline li{position:relative;padding-bottom:22px}
.timeline li::before{content:"";position:absolute;left:-31px;top:6px;width:15px;height:15px;border-radius:50%;background:var(--red);border:3px solid #fff;box-shadow:0 0 0 2px var(--red)}
.timeline b{color:var(--navy);font-size:1.1rem}
.timeline p{color:var(--muted)}
.founders{display:grid;gap:16px}
.founder{display:flex;gap:16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}
.founder__av{width:58px;height:58px;border-radius:50%;background:var(--grad-brand);color:#fff;font-weight:900;font-size:1.4rem;display:grid;place-items:center;flex:none}
.founder__role{color:var(--blue);font-weight:700;font-size:.9rem}
.founder p{color:var(--muted);font-size:.94rem}
.contact{display:grid;gap:24px}
.contact__box{background:var(--bg);border-radius:var(--radius);padding:24px;border:1px solid var(--border)}
.contact__box h2{font-size:1.3rem;margin-bottom:12px}
.contact__box li{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--border)}
.contact__box li:last-child{border:0}
.contact__box svg{color:var(--red);margin-top:4px}
.contact__btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.contact__legal{font-size:.85rem;color:var(--muted);margin-top:14px}
.map{border-radius:var(--radius);overflow:hidden;min-height:340px;border:1px solid var(--border)}
.map iframe{width:100%;height:100%;min-height:340px;border:0;display:block}
.with-side{display:grid;gap:32px}
.side__sticky{position:sticky;top:calc(var(--header-h) + 16px);display:grid;gap:16px}
.side__cta{background:var(--grad-deep);color:#DCECFF;border-radius:var(--radius);padding:22px;display:grid;gap:10px}
.side__cta b{color:#fff;font-size:1.15rem}
.side__cta p{font-size:.92rem;margin-bottom:4px}
.side__box{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px}
.side__box h3{font-size:1rem;margin-bottom:8px}
.side__box li a{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px dashed var(--border);color:var(--text);font-size:.93rem}
.side__box small{color:var(--muted);font-weight:700}
.nav-links{display:flex;gap:8px;justify-content:center;margin-top:30px}
.page-numbers{min-width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--border);border-radius:8px;color:var(--navy);font-weight:700}
.page-numbers.current{background:var(--red);border-color:var(--red);color:#fff}
.empty{background:var(--bg);border-radius:var(--radius);padding:24px}
.center-box{text-align:center;max-width:620px}
.center-box h1{margin-bottom:10px}
.center-box p{color:var(--muted);margin-bottom:20px}
.big404{font-size:5rem;font-weight:900;color:var(--red);line-height:1}

/* ---------- Chân trang ---------- */
.footcta{background:var(--red)}
.footcta__in{display:flex;align-items:center;gap:16px 20px;padding:22px 16px;color:#fff;flex-wrap:wrap}
.footcta b{font-size:1.2rem}
.footcta p{color:#FFD9DC}
.footcta .btns{display:flex;gap:12px;flex-wrap:wrap}
.footer{background:var(--navy-deep);color:#B9D6F2;font-size:.93rem;padding:48px 0 0}
.footer__grid{display:grid;gap:32px}
.footer h4{color:#fff;font-size:1rem;text-transform:uppercase;letter-spacing:.04em;margin-bottom:14px;padding-bottom:8px;border-bottom:2px solid var(--blue);display:inline-block}
.footer li{padding:4px 0}
.footer a{color:#B9D6F2}
.footer a:hover{color:#fff}
.footer__logo{height:50px;width:auto;margin-bottom:14px}
.footer__slogan{color:#fff;font-weight:700;letter-spacing:.03em;margin-bottom:10px}
.footer__ct li{display:flex;gap:10px}
.footer__ct svg{color:var(--blue-2);margin-top:5px}
.social{display:flex;gap:10px;margin-top:16px}
.social a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);display:grid;place-items:center;color:#fff;font-size:.72rem;font-weight:700}
.social a:hover{background:var(--blue)}
.copy{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding:18px 16px;font-size:.85rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---------- Nút nổi / thanh đáy mobile ---------- */
.float{display:none}
.mbar{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:60;box-shadow:0 -4px 16px rgba(0,0,0,.15)}
.mbar a{display:flex;align-items:center;justify-content:center;gap:8px;padding:15px 0;color:#fff;font-weight:700;font-size:1rem}
.mbar .m1{background:var(--red)}
.mbar .m2{background:var(--zalo)}

/* ================= ≥ 620px ================= */
@media (min-width:620px){
  .row{grid-template-columns:1fr 1fr}
  .grid-2,.grid-products,.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}
  .needs{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(4,1fr)}
  .benefits{grid-template-columns:1fr 1fr}
  .reasons__list--grid,.values,.founders,.mv{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
  .form{padding:30px}
  .phero__specs{grid-template-columns:repeat(4,1fr)}
  .why__media{height:420px}
}

/* ================= ≥ 1024px (desktop) ================= */
@media (min-width:1024px){
  :root{--header-h:80px}
  body{padding-bottom:0}
  .topbar{display:block}
  .site-header{top:-38px}
  .brand img{height:48px}
  .burger,.nav__mobile-cta{display:none}
  .nav{display:block;position:static;border:0;box-shadow:none;padding:0;max-height:none;overflow:visible;margin-left:auto;background:none}
  .menu{display:flex;gap:2px}
  .menu>li{position:relative}
  .menu>li>a{padding:0 14px;line-height:var(--header-h);border:0;font-size:.95rem;border-bottom:3px solid transparent}
  .menu>li>a:hover,.menu>li>a.is-active,.menu .current-menu-item>a{color:var(--red);border-bottom-color:var(--red)}
  .sub{position:absolute;top:100%;left:0;min-width:300px;background:#fff;border-radius:0 0 var(--radius-sm) var(--radius-sm);box-shadow:var(--shadow);padding:8px 0;opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s}
  .menu>li:hover .sub,.menu>li:focus-within .sub{opacity:1;visibility:visible;transform:none}
  .sub a{padding:9px 18px}
  .sub a:hover{background:var(--bg);color:var(--blue)}
  .mainbar__cta{display:inline-flex;margin-left:8px}
  .hero{padding:64px 0 72px}
  .hero__in{grid-template-columns:1.15fr 1fr;gap:56px}
  .hero__media{order:0}
  .reasons{grid-template-columns:1.2fr 1fr;gap:56px}
  .reasons__list{grid-template-columns:1fr 1fr;gap:22px 28px}
  .reasons__list--grid{grid-template-columns:repeat(3,1fr)}
  .needs{grid-template-columns:repeat(4,1fr)}
  .grid-products{grid-template-columns:repeat(4,1fr)}
  .grid-products--3{grid-template-columns:repeat(3,1fr)}
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(4,1fr)}
  .why{grid-template-columns:1fr 1.1fr;gap:56px}
  .stats{grid-template-columns:repeat(4,1fr)}
  .stat,.stat:nth-child(odd),.stat:nth-child(n+3){border-bottom:0;border-right:1px solid var(--border)}
  .stat:last-child{border-right:0}
  .steps{grid-template-columns:repeat(7,1fr)}
  .steps::before{content:"";position:absolute;top:27px;left:7%;right:7%;height:2px;background:repeating-linear-gradient(90deg,var(--blue) 0 8px,transparent 8px 14px)}
  .quote__in{grid-template-columns:1fr 520px;gap:48px}
  .banner .btn{margin-left:auto}
  .footcta .btns{margin-left:auto}
  .footer__grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px}
  .phero{padding:28px 0 56px}
  .phero__in{grid-template-columns:1.05fr 1fr;gap:48px}
  .detail{grid-template-columns:1.5fr 1fr;gap:40px}
  .contact{grid-template-columns:1fr 1.3fr}
  .with-side{grid-template-columns:1fr 320px;gap:40px}
  .values{grid-template-columns:repeat(5,1fr)}
  .mbar{display:none}
  .float{position:fixed;right:20px;bottom:24px;display:flex;flex-direction:column;gap:12px;z-index:60}
  .float a{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 8px 20px rgba(0,0,0,.25);font-weight:900;font-size:.78rem}
  .float .f-call{background:var(--red);animation:vns-pulse 2s infinite}
  .float .f-call svg{width:24px;height:24px}
  .float .f-zalo{background:var(--zalo)}
}
@media (min-width:1024px) and (max-width:1199px){
  .topbar__promises li:nth-child(3){display:none}
  .menu>li>a{padding:0 10px;font-size:.9rem}
}
@keyframes vns-pulse{0%{box-shadow:0 0 0 0 rgba(216,0,16,.5)}70%{box-shadow:0 0 0 14px rgba(216,0,16,0)}100%{box-shadow:0 0 0 0 rgba(216,0,16,0)}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* =====================================================================
   MÀU THEO LOGO (12/11/2026): đỏ chủ đạo, 4 màu ô logo làm điểm nhấn
   ===================================================================== */
/* Thanh trên đỏ + dải 4 màu logo dưới menu */
.topbar{background:var(--red);color:#fff}
.topbar a,.topbar span,.topbar li{color:#fff}
.topbar svg{color:#fff}
.topbar__phone b{color:#fff}
.mainbar::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:4px;background:var(--logo-stripe)}
.menu>li>a{color:var(--navy)}

/* Hero, đầu trang con: nền sáng, ánh 4 màu logo */
.hero,.phero{background:
  radial-gradient(circle at 0% 0%,rgba(214,223,32,.22),transparent 38%),
  radial-gradient(circle at 100% 0%,rgba(0,137,208,.14),transparent 40%),
  radial-gradient(circle at 100% 100%,rgba(13,177,75,.12),transparent 40%),
  radial-gradient(circle at 0% 100%,rgba(216,0,16,.08),transparent 40%),
  var(--bg);color:var(--text)}
.hero h1,.phero h1{color:var(--navy)}
.hero h1 em,.phero h1 em{color:var(--red)}
.hero .pill--light{background:var(--red-soft);color:var(--red);border:0}
.hero__list li{color:var(--text)}
.hero__stat{color:var(--muted);border-left-color:var(--red)}
.hero__stat b{color:var(--red)}
.hero .btn--ghost,.phero .btn--outline{border-color:var(--navy);color:var(--navy);background:#fff}
.hero .btn--ghost:hover,.phero .btn--outline:hover{background:var(--navy);color:#fff}
.hero__media,.gallery__main{box-shadow:0 18px 40px rgba(31,42,55,.18)}
.hero__media figcaption b{color:var(--lime)}
.phero,.phero__lead,.phero .meta{color:var(--muted)}
.phero .meta a{color:var(--blue)}
.crumb ol{color:var(--muted)}
.crumb a{color:var(--blue)}
.crumb a:hover{color:var(--red)}
.phero__specs li{background:#fff;border-color:var(--border);box-shadow:var(--shadow-sm)}
.phero__specs span{color:var(--muted)}
.phero__specs b{color:var(--navy);font-weight:700}
.gallery__thumbs button.is-active,.gallery__thumbs button:hover{border-color:var(--red)}

/* Số thứ tự = ô vuông xoay như ô logo, xoay vòng 4 màu */
.reasons__n{width:44px;height:44px;min-width:44px;padding:0;display:grid;place-items:center;font-size:1rem;color:#fff;background:var(--red);border-radius:6px;transform:rotate(45deg);margin:4px 6px 0 4px}
.reasons__n>*{transform:rotate(-45deg)}
.reasons__list li:nth-child(4n+2) .reasons__n,.values .value:nth-child(4n+2) .reasons__n{background:var(--lime);color:var(--navy)}
.reasons__list li:nth-child(4n+3) .reasons__n,.values .value:nth-child(4n+3) .reasons__n{background:var(--green)}
.reasons__list li:nth-child(4n) .reasons__n,.values .value:nth-child(4n) .reasons__n{background:var(--blue)}
.need:nth-child(4n+1) .need__ic{background:var(--red-soft);color:var(--red)}
.need:nth-child(4n+2) .need__ic{background:var(--lime-soft);color:#7C8300}
.need:nth-child(4n+3) .need__ic{background:var(--green-soft);color:var(--green-dark)}
.need:nth-child(4n) .need__ic{background:var(--blue-soft);color:var(--blue)}
.need:hover{border-color:var(--red)}
.hint{border-left-color:var(--red)}
.why__quote{border-left-color:var(--red)}
.scard{border-top:4px solid var(--red)}
.scard:nth-child(2){border-top-color:var(--lime)}
.scard:nth-child(3){border-top-color:var(--green)}
.scard:nth-child(4){border-top-color:var(--blue)}
.stat:nth-child(2) b{color:var(--blue)}
.stat:nth-child(3) b{color:var(--green-dark)}
.timeline{border-left-color:var(--lime)}
.footer h4{border-bottom-color:var(--red)}
.footer__grid>div:nth-child(2) h4{border-bottom-color:var(--lime)}
.footer__grid>div:nth-child(3) h4{border-bottom-color:var(--green)}
.footer__grid>div:nth-child(4) h4{border-bottom-color:var(--blue)}
.footer__ct svg{color:var(--lime)}

/* Khối báo giá nền đỏ, form trắng */
.quote{background:radial-gradient(circle at 90% 10%,rgba(255,255,255,.12),transparent 40%),var(--grad-red)}
.quote .pill{background:rgba(255,255,255,.18);color:#fff}
.quote__lead{color:#FFE3E5}
.benefits li{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.22)}
.benefits .ic{background:#fff;color:var(--red)}
.benefits span{color:#FFDCDF}
.quote__call .btn--red{background:#fff;color:var(--red);box-shadow:none}
.quote__call .btn--red:hover{background:var(--navy-deep);color:#fff}

/* Dải CTA chân trang xanh logo (tránh 2 khối đỏ liền nhau), dải 4 màu trên chân trang */
.footcta{background:var(--blue);position:relative}
.footcta::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--logo-stripe)}
.footcta p{color:#E2F3FC}
.footcta .btn--white{color:var(--blue)}
.footer{color:#B8C0CC}
.footer a,.copy{color:#B8C0CC}

/* =====================================================================
   HERO VISUAL (12/11/2026): ảnh máy nền trắng trong khung trắng,
   khối 4 ô màu logo phía sau, huy hiệu nổi, 3 ảnh dòng máy khác
   ===================================================================== */
.hero__visual{position:relative;order:-1;padding:18px 8px 0}
.hero__tiles{position:absolute;z-index:0;top:-6px;right:-4px;width:170px;height:170px;display:grid;grid-template-columns:1fr 1fr;gap:8px;transform:rotate(45deg);opacity:.95}
.hero__tiles i{border-radius:10px}
.hero__tiles i:nth-child(1){background:var(--lime)}
.hero__tiles i:nth-child(2){background:var(--green)}
.hero__tiles i:nth-child(3){background:var(--red)}
.hero__tiles i:nth-child(4){background:var(--blue)}
.hero__stage{position:relative;z-index:1;background:#fff;border-radius:24px;padding:18px 18px 46px;box-shadow:0 24px 60px rgba(31,42,55,.16),0 2px 0 rgba(31,42,55,.04)}
.hero__stage img{width:100%;height:auto;margin:0 auto;max-width:520px}
.hero__stage figcaption{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);white-space:nowrap;background:var(--bg);color:var(--muted);font-size:.85rem;padding:5px 14px;border-radius:999px}
.hero__stage figcaption b{color:var(--red)}
.hero__badge{position:absolute;z-index:2;display:flex;align-items:center;gap:10px;background:#fff;border-radius:14px;padding:10px 14px;box-shadow:0 12px 30px rgba(31,42,55,.16);font-size:.8rem;line-height:1.3;color:var(--muted)}
.hero__badge b{display:block;color:var(--navy);font-size:.9rem}
.hero__badge>svg{width:34px;height:34px;padding:7px;border-radius:10px;flex:none}
.hero__badge--a{top:34px;left:0}
.hero__badge--a>svg{background:var(--green-soft);color:var(--green-dark)}
.hero__badge--b{display:none}
.hero__badge--b>svg{background:var(--red-soft);color:var(--red)}
.hero__thumbs{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:-26px 6px 0}
.hero__thumbs a{display:block;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 10px 24px rgba(31,42,55,.14);transition:.2s}
.hero__thumbs a:hover{transform:translateY(-3px)}
.hero__thumbs img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero__thumbs span{display:block;padding:6px 8px;font-size:.74rem;font-weight:700;color:var(--navy);line-height:1.3;text-align:center}
.hero__thumbs li:nth-child(1) a{border-bottom:3px solid var(--blue)}
.hero__thumbs li:nth-child(2) a{border-bottom:3px solid var(--lime)}
.hero__thumbs li:nth-child(3) a{border-bottom:3px solid var(--green)}
@media (min-width:620px){
  .hero__badge--b{display:flex;right:0;top:46%}
  .hero__tiles{width:220px;height:220px}
}
@media (min-width:1024px){
  .hero__visual{order:0;padding:24px 20px 0 28px}
  .hero__tiles{width:260px;height:260px;top:-40px;right:-30px}
  .hero__stage{padding:26px 26px 54px}
  .hero__badge--a{left:-6px;top:56px}
  .hero__badge--b{right:-14px;top:50%}
  .hero__thumbs{margin:-34px 22px 0;gap:14px}
  .hero__thumbs span{font-size:.8rem}
}
/* chỉnh vị trí khối 4 ô + khoảng đáy khung */
.hero__stage{padding-bottom:34px}
.hero__tiles{top:-14px;right:14px}
@media (min-width:1024px){
  .hero__tiles{width:200px;height:200px;top:-28px;right:30px}
  .hero__stage{padding-bottom:42px}
}
/* khối 4 ô: mobile ló sau góc phải trên; desktop nằm trọn ở góc dưới trái khung */
.hero__tiles{width:130px;height:130px;top:20px;right:4px}
@media (min-width:620px){.hero__tiles{width:160px;height:160px;top:26px;right:6px}}
@media (min-width:1024px){
  .hero__tiles{width:170px;height:170px;top:auto;right:auto;left:-52px;bottom:70px}
}
.hero__text{position:relative;z-index:3}
@media (min-width:1024px){.hero__tiles{width:136px;height:136px;left:-24px;bottom:28px}}

/* Chữ hero bản A (12/11/2026): tiêu đề ngắn, 1 câu mô tả, 3 ý dạng nhãn, dải số liệu */
.hero h1{margin:16px 0 14px}
.hero__lead{font-size:1.08rem;color:var(--muted);max-width:560px;margin-bottom:18px}
.hero__chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.hero__chips li{display:flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--border);border-radius:999px;padding:6px 14px 6px 10px;font-weight:700;font-size:.9rem;color:var(--navy);box-shadow:var(--shadow-sm)}
.hero__chips svg{color:var(--green);stroke-width:3}
.hero__nums{display:flex;flex-wrap:wrap;gap:0;margin-top:28px;padding-top:20px;border-top:1px solid var(--border);max-width:560px}
.hero__nums li{flex:1;min-width:110px;padding-right:14px}
.hero__nums li+li{padding-left:16px;border-left:1px solid var(--border)}
.hero__nums b{display:block;font-size:1.6rem;font-weight:900;color:var(--red);line-height:1.1}
.hero__nums li:nth-child(2) b{color:var(--blue)}
.hero__nums li:nth-child(3) b{color:var(--green-dark)}
.hero__nums span{font-size:.85rem;color:var(--muted)}
@media (min-width:1024px){.hero h1{font-size:clamp(2.4rem,1.6rem + 1.6vw,3.2rem)}}
@media (min-width:1024px){.hero h1 em{display:block}}
/* Ảnh hero có nền thật: phủ kín khung, không viền trắng */
.hero__stage--photo{padding:0;overflow:hidden;border:6px solid #fff}
.hero__stage--photo img{max-width:none;width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px}
.hero__stage--photo + .hero__badge--a{top:30px}
.hero__stage--photo ~ .hero__thumbs{margin-top:14px}
@media (min-width:1024px){.hero__stage--photo ~ .hero__thumbs{margin:16px 0 0}}

/* =====================================================================
   TRANG GIỚI THIỆU (12/11/2026)
   ===================================================================== */
.about-hero{padding-bottom:48px}
.about-hero__in{display:grid;gap:36px;align-items:center}
.about-hero h1{font-size:var(--fs-h1);margin:14px 0 14px}
.about-hero h1 em{display:inline}
.about-hero__lead{font-size:1.06rem;color:var(--muted);max-width:580px;margin-bottom:22px;text-align:justify}
.about-hero .hero__nums{margin-top:26px}
.about-hero__media{position:relative;padding:10px 0 40px}
.about-hero__main{position:relative;z-index:1;border-radius:22px;overflow:hidden;border:6px solid #fff;box-shadow:0 24px 60px rgba(31,42,55,.16)}
.about-hero__main img{width:100%;aspect-ratio:4/3;object-fit:cover}
.about-hero__sub{position:absolute;z-index:2;width:38%;border-radius:14px;overflow:hidden;border:4px solid #fff;box-shadow:0 14px 30px rgba(31,42,55,.18)}
.about-hero__sub img{width:100%;aspect-ratio:4/3;object-fit:cover}
.about-hero__sub--a{left:-8px;bottom:0}
.about-hero__sub--b{right:-8px;bottom:0}
.about-hero__badge{top:24px;left:8px}
.about-hero__badge>svg{background:var(--red-soft);color:var(--red)}
.about-hero .hero__tiles{top:-6px;right:-4px}

.story{display:grid;gap:32px;align-items:center}
.story__text h2{font-size:var(--fs-h2);margin:12px 0 14px}
.story__text p{color:var(--muted);margin-bottom:12px;text-align:justify}
.story__text .why__quote{margin:18px 0}
.story__ticks{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.story__ticks li{display:flex;gap:8px;align-items:center;font-weight:700;color:var(--navy);font-size:.95rem}
.story__ticks svg{color:var(--green)}
.story__media{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:12px;height:420px}
.story__media img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.story__media img:first-child{grid-row:span 2}

.mv{margin-bottom:0}
.mv__box{display:flex;gap:18px;align-items:flex-start;border-top:5px solid var(--red);padding:28px}
.mv__box--blue{border-top-color:var(--blue)}
.mv__box h2{font-size:1.35rem;margin-bottom:6px}
.mv__box p{margin-top:0;color:var(--text);font-size:1rem}
.mv__ic{width:56px;height:56px;border-radius:14px;display:grid;place-items:center;flex:none;background:var(--red-soft);color:var(--red)}
.mv__box--blue .mv__ic{background:var(--blue-soft);color:var(--blue)}
.mv__ic svg{width:30px;height:30px}

.photos{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.photo{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);background:#e8eef5}
.photo img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:.4s}
.photo:hover img{transform:scale(1.05)}
.photo figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 10px;color:#fff;font-weight:700;font-size:.9rem;background:linear-gradient(transparent,rgba(21,25,31,.78))}

.value{text-align:center;border-top:4px solid var(--red)}
.value:nth-child(4n+2){border-top-color:var(--lime)}
.value:nth-child(4n+3){border-top-color:var(--green)}
.value:nth-child(4n){border-top-color:var(--blue)}
.value .reasons__n{margin:6px auto 10px}

.journey{display:grid;gap:18px;position:relative}
.journey li{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 20px 20px 22px;box-shadow:var(--shadow-sm);border-left:5px solid var(--red)}
.journey li:nth-child(2){border-left-color:var(--lime)}
.journey li:nth-child(3){border-left-color:var(--green)}
.journey li:nth-child(4){border-left-color:var(--blue)}
.journey__dot{display:none}
.journey b{display:block;font-size:1.3rem;font-weight:900;color:var(--red);margin-bottom:4px}
.journey li:nth-child(3) b{color:var(--green-dark)}
.journey li:nth-child(2) b{color:#7C8300}
.journey p{color:var(--muted);font-size:.95rem}

.founder{border-top:4px solid var(--red)}
.founder:nth-child(2){border-top-color:var(--blue)}

.company{display:grid;gap:28px;align-items:start}
.company h2{font-size:var(--fs-h2);margin:12px 0 16px}
.company__list{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.company__list div{display:grid;grid-template-columns:140px 1fr;gap:12px;padding:12px 18px;border-bottom:1px solid var(--border)}
.company__list div:last-child{border-bottom:0}
.company__list dt{color:var(--muted);font-size:.9rem}
.company__list dd{color:var(--navy);font-weight:500}
.company__card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);border-top:5px solid transparent;border-image:var(--logo-stripe) 1;display:grid;gap:14px;justify-items:start}
.company__logo{height:52px;width:auto}
.company__slogan{font-weight:900;color:var(--red);letter-spacing:.02em}
.company__card ul{display:grid;gap:8px}
.company__card li{display:flex;gap:10px;align-items:center;color:var(--text)}
.company__card svg{color:var(--red)}

@media (min-width:620px){
  .photos{grid-template-columns:repeat(3,1fr)}
  .journey{grid-template-columns:1fr 1fr}
  .story__media{height:480px}
}
@media (min-width:1024px){
  .about-hero__in{grid-template-columns:1fr 1.05fr;gap:56px}
  .about-hero h1{font-size:clamp(2.2rem,1.4rem + 1.5vw,3rem)}
  .story{grid-template-columns:1fr 1.05fr;gap:56px}
  .story__media{height:520px}
  .photos{grid-template-columns:repeat(4,1fr);gap:14px}
  .journey{grid-template-columns:repeat(4,1fr)}
  .journey::before{content:"";position:absolute;left:4%;right:4%;top:-14px;height:4px;border-radius:4px;background:var(--logo-stripe)}
  .company{grid-template-columns:1.4fr 1fr;gap:40px}
}
.about-hero .hero__tiles{left:auto;bottom:auto;top:-14px;right:-14px}
@media (min-width:1024px){
  .journey{grid-template-columns:repeat(3,1fr)}
  .about-hero .hero__tiles{width:150px;height:150px;top:-26px;right:-18px}
}

/* =====================================================================
   TIN TỨC – CẨM NANG (12/11/2026)
   ===================================================================== */
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.blog-hero__in{display:grid;gap:20px;align-items:end}
.blog-hero h1{margin:12px 0 10px}
.blog-search{display:flex;gap:8px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:6px;box-shadow:var(--shadow-sm);max-width:520px;width:100%}
.blog-search input{flex:1;min-width:0;border:0;padding:.6rem .8rem;font-size:1rem;background:transparent;color:var(--text)}
.blog-search input:focus{outline:0}
.blog-search .btn{padding:.6rem 1.2rem}
.blog-cats{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.blog-cats a{display:inline-flex;gap:6px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:999px;padding:7px 16px;font-weight:700;font-size:.9rem;color:var(--navy);transition:.15s}
.blog-cats a small{color:var(--muted);font-weight:500}
.blog-cats a:hover{border-color:var(--red);color:var(--red)}
.blog-cats a.is-active{background:var(--red);border-color:var(--red);color:#fff}
.blog-cats a.is-active small{color:#FFD9DC}

.feat{display:grid;background:#fff;border:1px solid var(--border);border-radius:22px;overflow:hidden;box-shadow:var(--shadow);margin-bottom:40px}
.feat__img{position:relative;display:block;overflow:hidden;background:#e8eef5}
.feat__img img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;transition:.4s}
.feat:hover .feat__img img{transform:scale(1.04)}
.feat__new{position:absolute;top:16px;left:16px;background:var(--red);color:#fff;font-weight:700;font-size:.8rem;padding:4px 12px;border-radius:999px}
.feat__body{padding:24px;display:flex;flex-direction:column;justify-content:center;gap:12px}
.feat .tag,.ncard .tag{display:inline-block;align-self:flex-start;background:var(--blue-soft);color:var(--blue);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:3px 10px;border-radius:999px}
.feat h2{font-size:clamp(1.35rem,1.1rem + 1vw,1.9rem)}
.feat h2 a{color:var(--navy)}
.feat h2 a:hover{color:var(--red)}
.feat__body>p{color:var(--muted)}
.feat .meta,.post-hero .meta{display:flex;align-items:center;gap:6px;font-size:.88rem;color:var(--muted)}
.feat .btn{align-self:flex-start}

.ncard{transition:.2s}
.ncard:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.ncard__img img{transition:.4s}
.ncard:hover .ncard__img img{transform:scale(1.05)}
.ncard h3 a:hover{color:var(--red)}
.ncard .tag{margin-bottom:2px}
.grid-2 .ncard:nth-child(4n+1){border-top:4px solid var(--red)}
.grid-2 .ncard:nth-child(4n+2){border-top:4px solid var(--blue)}
.grid-2 .ncard:nth-child(4n+3){border-top:4px solid var(--green)}
.grid-2 .ncard:nth-child(4n){border-top:4px solid var(--lime)}
.empty h2{font-size:1.2rem;margin-bottom:6px}

.post-hero{padding-bottom:36px}
.post-hero h1{max-width:900px;margin:12px 0 12px;font-size:clamp(1.7rem,1.2rem + 1.8vw,2.6rem)}
.post-hero .pill:hover{background:var(--red);color:#fff}
.post-section{padding-top:36px}
.post__thumb{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);margin-bottom:24px}
.post__thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.post__lead{font-size:1.15rem;color:var(--navy);font-weight:500;border-left:4px solid var(--red);padding:4px 0 4px 16px;margin-bottom:24px;text-align:justify}
.post .prose{max-width:none;font-size:1.03rem}
.prose h2{padding-left:14px;border-left:4px solid var(--blue)}
.prose table{min-width:0;margin:1.2em 0;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;display:block;overflow-x:auto}
.prose th,.prose td{text-align:left}
.prose li{margin:.3em 0}
.prose li::marker{color:var(--red)}
.prose strong{color:var(--navy)}
.post-cta{margin-top:36px;background:var(--grad-red);color:#fff;border-radius:var(--radius-lg);padding:24px;display:grid;gap:16px;align-items:center}
.post-cta b{font-size:1.2rem}
.post-cta p{color:#FFE3E5;margin-top:4px}
.post-cta__btns{display:flex;flex-wrap:wrap;gap:10px}
.post-cta .btn--red{background:#fff;color:var(--red);box-shadow:none}
.post-author{margin-top:24px;display:flex;gap:16px;align-items:center;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px}
.post-author__logo{height:36px;width:auto;flex:none}
.post-author p{color:var(--muted);font-size:.93rem}

@media (min-width:1024px){
  .blog-hero__in{grid-template-columns:1fr 460px;gap:40px}
  .feat{grid-template-columns:1.2fr 1fr}
  .feat__body{padding:40px}
  .post-cta{grid-template-columns:1fr auto;padding:28px 32px}
}
@media (max-width:619px){.post-author{flex-direction:column;align-items:flex-start}}
.prose table{display:table;width:100%;font-size:.92rem}
/* 4 ô ảnh nhỏ dưới ảnh hero */
.hero__thumbs{grid-template-columns:repeat(4,1fr);gap:8px}
.hero__thumbs span{font-size:.68rem;padding:5px 4px}
.hero__thumbs li:nth-child(1) a{border-bottom-color:var(--red)}
.hero__thumbs li:nth-child(2) a{border-bottom-color:var(--blue)}
.hero__thumbs li:nth-child(3) a{border-bottom-color:var(--lime)}
.hero__thumbs li:nth-child(4) a{border-bottom:3px solid var(--green)}
@media (min-width:620px){.hero__thumbs span{font-size:.76rem}}
@media (min-width:1024px){.hero__thumbs{gap:12px}.hero__thumbs span{font-size:.78rem}}
.hero__thumbs li{display:flex}
.hero__thumbs a{display:flex;flex-direction:column;width:100%}
.hero__thumbs span{flex:1;display:flex;align-items:center;justify-content:center;white-space:nowrap}
.gallery__thumbs{grid-template-columns:repeat(4,1fr)}@media (min-width:620px){.gallery__thumbs{grid-template-columns:repeat(8,1fr)}}
.gallery__thumbs{grid-template-columns:repeat(5,1fr)}@media (min-width:620px){.gallery__thumbs{grid-template-columns:repeat(var(--n,8),1fr);gap:6px}}
/* Khung 4 ảnh đều (2×2) — khối Câu chuyện trang Giới thiệu */
.story__media--4{height:auto;grid-template-rows:auto}
.story__media--4 img{aspect-ratio:4/3;height:auto}
.story__media--4 img:first-child{grid-row:auto}

/* =====================================================================
   GIỚI THIỆU DẠNG LANDING PAGE (12/11/2026)
   ===================================================================== */
.lp-hero{padding-bottom:48px}
.lp-hero__in{display:grid;gap:32px;align-items:center}
.lp-hero h1{font-size:var(--fs-h1);margin:14px 0}
.lp-hero__lead{font-size:1.06rem;color:var(--muted);max-width:600px;margin-bottom:20px;text-align:justify}
.lp-hero__side{position:relative}
.lp-hero__img{border-radius:22px;overflow:hidden;border:6px solid #fff;box-shadow:0 24px 60px rgba(31,42,55,.16)}
.lp-hero__img img{width:100%;aspect-ratio:16/10;object-fit:cover}
.lp-form{position:relative;z-index:2;background:#fff;border-radius:18px;padding:20px;margin:-60px 14px 0;box-shadow:0 24px 50px rgba(31,42,55,.2);border-top:5px solid transparent;border-image:var(--logo-stripe) 1;display:grid;gap:10px}
.lp-form__title{font-size:1.15rem;color:var(--navy)}
.lp-form__sub{font-size:.88rem;color:var(--muted);margin-top:-6px}
.lp-form__row{display:grid;gap:10px}
.lp-form input{width:100%;border:1px solid var(--border);border-radius:var(--radius-btn);padding:.7rem .85rem;font-size:1rem;background:#F8FBFE;color:var(--text)}
.lp-form input:focus{outline:0;border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(0,137,208,.15)}
.lp-form .btn{width:100%}
.lp-form__note{display:flex;align-items:center;justify-content:center;gap:6px;font-size:.88rem;color:var(--muted)}
.lp-form__note a{font-weight:700}
.lp-form__note svg{color:var(--red)}

.pains{display:grid;gap:16px}
.pain{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;border-top:4px solid var(--red)}
.pain:nth-child(2){border-top-color:var(--lime)}
.pain:nth-child(3){border-top-color:var(--green)}
.pain:nth-child(4){border-top-color:var(--blue)}
.pain__ic{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:var(--red-soft);color:var(--red);margin-bottom:12px}
.pain__ic svg{width:26px;height:26px}
.pain h3{font-size:1.1rem;margin-bottom:6px}
.pain__q{color:var(--muted);font-size:.93rem;flex:1}
.pain__a{display:flex;gap:8px;margin-top:14px;padding-top:12px;border-top:1px dashed var(--border);font-size:.92rem;color:var(--navy);font-weight:500;line-height:1.5}
.pain__a svg{color:var(--green);flex:none;margin-top:3px}

.reasons__list--grid{margin-bottom:8px}

.lp-band{background:var(--grad-red);color:#fff;padding:30px 0;position:relative}
.lp-band::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--logo-stripe)}
.lp-band__in{display:flex;flex-wrap:wrap;align-items:center;gap:16px 22px}
.lp-band__ic{width:56px;height:56px;border-radius:50%;background:#fff;color:var(--red);display:grid;place-items:center;flex:none}
.lp-band__ic svg{width:28px;height:28px}
.lp-band b{font-size:1.2rem;display:block}
.lp-band p{color:#FFE3E5}
.lp-band__btns{display:flex;flex-wrap:wrap;gap:10px}
.lp-band .btn--white{color:var(--red)}

.lp-mv{margin:28px 0}
.lp-mv h3{font-size:1.25rem;margin-bottom:6px}

@media (min-width:620px){
  .lp-form__row{grid-template-columns:1fr 1fr}
  .pains{grid-template-columns:1fr 1fr}
}
@media (min-width:1024px){
  .lp-hero__in{grid-template-columns:1fr 1fr;gap:56px}
  .lp-hero h1{font-size:clamp(2.2rem,1.4rem + 1.5vw,3rem)}
  .lp-form{margin:-90px 28px 0}
  .pains{grid-template-columns:repeat(4,1fr)}
  .lp-band__btns{margin-left:auto}
}

/* Thẻ "Chọn đúng máy theo sản phẩm" có ảnh thật (12/11/2026) */
.need{padding:0;overflow:hidden}
.need__img{position:relative;aspect-ratio:16/10;overflow:hidden;background:#e8eef5}
.need__img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.need:hover .need__img img{transform:scale(1.06)}
.need__ic{position:relative;z-index:1;width:46px;height:46px;border-radius:12px;margin:-23px 0 10px 18px;border:3px solid #fff;box-shadow:0 6px 14px rgba(31,42,55,.14)}
.need__ic svg{width:24px;height:24px}
.need h3,.need__ex,.need__rec,.need__why{margin-left:18px;margin-right:18px}
.need__why{margin-bottom:18px}