:root{
  --blue:#1769e0;--blue2:#2788f5;--green:#20b979;--navy:#061a3a;
  --text:#0b1220;--muted:#64748b;--line:#e5edf7;--soft:#f6faff;
  --shadow:0 18px 55px rgba(40,86,150,.14);--container:1180px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);line-height:1.6;background:#fff}
a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(calc(100% - 36px),var(--container));margin:auto}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between}.brand img{width:128px;height:auto}
nav{display:flex;align-items:center;gap:25px;font-size:.92rem;font-weight:700}nav a{color:#111827;position:relative}
nav a:hover,nav a.active{color:var(--blue)}nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:-26px;height:3px;background:var(--blue);border-radius:3px}
.phone-pill{padding:11px 18px;border-radius:999px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff!important}
.menu{display:none;border:0;background:none;font-size:1.5rem}
.hero{padding:60px 0 72px;background:linear-gradient(115deg,#fff 0%,#f4f9ff 60%,#eaf5ff 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:.88fr 1.12fr;align-items:center;gap:48px}
.badge{display:inline-flex;padding:7px 14px;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--green));color:#fff;font-size:.75rem;font-weight:800;letter-spacing:.05em}
.hero h1{font-size:clamp(2.9rem,5vw,5rem);line-height:1.08;letter-spacing:-.04em;margin:18px 0 22px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--blue2),var(--green));-webkit-background-clip:text;color:transparent}
.hero p{font-size:1.06rem;color:#334155;max-width:650px}.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 22px;border-radius:999px;font-weight:800;transition:.2s}.btn:hover{transform:translateY(-2px)}
.btn.primary{background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;box-shadow:0 12px 28px rgba(23,105,224,.25)}
.btn.outline{border:1px solid var(--blue);color:var(--blue);background:#fff}
.hero-image-wrap{position:relative}.hero-image-wrap img{width:100%;border-radius:22px;box-shadow:var(--shadow)}
.feature-strip{margin-top:-34px;position:relative;z-index:3}.feature-strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}
.feature-strip article{display:flex;gap:14px;padding:23px 22px;border-right:1px solid var(--line)}.feature-strip article:last-child{border:0}
.feature-strip article>span{width:46px;height:46px;flex:0 0 46px;border-radius:14px;display:grid;place-items:center;background:#edf6ff;color:var(--blue);font-size:1.3rem}
.feature-strip h3{margin:0 0 4px;font-size:1rem;color:#0b4fae}.feature-strip p{margin:0;color:var(--muted);font-size:.88rem}
.section{padding:92px 0}.soft{background:var(--soft)}
.heading{text-align:center;max-width:780px;margin:0 auto 44px}.eyebrow{display:inline-block;color:var(--green);font-size:.8rem;font-weight:800;letter-spacing:.1em}
.heading h2,.fit-grid h2{font-size:clamp(2.2rem,4vw,3.5rem);line-height:1.1;letter-spacing:-.035em;margin:12px 0 16px}
.heading p,.fit-grid p{color:var(--muted)}
.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.solution-card{border-radius:20px;overflow:hidden;min-height:350px;display:flex;flex-direction:column;justify-content:space-between;border:1px solid var(--line)}
.solution-copy{padding:26px}.solution-copy>span{font-size:.73rem;font-weight:800;letter-spacing:.1em}.solution-copy h3{font-size:1.45rem;margin:7px 0}.solution-copy p{margin:0 0 16px}.solution-copy a{font-weight:800}
.solution-card img{width:100%;height:170px;object-fit:cover}
.blue-card{background:linear-gradient(135deg,#0b55c8,#287fe7);color:#fff}.blue-card a{color:#fff}
.light-card{background:#effaff}.light-card a,.pale-card a{color:var(--blue)}.pale-card{background:#f3f8ff}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.product-grid article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:0 12px 35px rgba(40,86,150,.08)}
.product-icon{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,#e6f2ff,#ebfff7);color:var(--blue);font-size:1.5rem}
.product-grid h3{margin:17px 0 8px}.product-grid p{margin:0;color:var(--muted)}
.steps{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr auto 1fr;gap:12px;align-items:center}.steps article{text-align:center}.steps article>span{width:38px;height:38px;margin:auto;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:800}
.steps h3{margin:14px 0 6px}.steps p{margin:0;color:var(--muted);font-size:.9rem}.steps i{font-style:normal;color:var(--blue);font-size:1.4rem}
.cta-band{background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;padding:22px 0}
.cta-band-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:30px;align-items:center}.cta-band-grid>div{display:flex;align-items:center;gap:14px}.cta-band-grid span{font-size:1.35rem}
footer{background:linear-gradient(135deg,#061734,#082659);color:#fff;padding:68px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .7fr 1fr;gap:46px}
.footer-about img{width:130px;background:#fff;border-radius:10px;padding:5px}.footer-grid>div{display:flex;flex-direction:column;align-items:flex-start;gap:8px}.footer-grid p,.footer-grid a,.footer-grid span{color:#b6c8e1}
.copyright{margin-top:46px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);color:#8da5c6;font-size:.85rem;text-align:center}
.cloud-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:16px;align-items:center}.cloud-flow article{text-align:center}.cloud-flow>i{font-style:normal;color:var(--blue);font-size:1.5rem}
.flow-icon{width:78px;height:78px;margin:auto;border-radius:24px;display:grid;place-items:center;background:linear-gradient(135deg,#e7f3ff,#e9fff7);color:var(--blue);font-size:2rem;box-shadow:0 10px 26px rgba(40,86,150,.12)}
.cloud-flow h3{margin:15px 0 5px}.cloud-flow p{margin:0;color:var(--muted)}
.fit-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}.fit-box{padding:34px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:var(--shadow)}
.fit-box b{font-size:1.3rem}.fit-box li{margin:12px 0;color:var(--muted)}
@media(max-width:980px){.hero-grid,.fit-grid{grid-template-columns:1fr}.feature-strip-grid,.product-grid{grid-template-columns:repeat(2,1fr)}.solution-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.steps i{transform:rotate(90deg);text-align:center}.cloud-flow{grid-template-columns:1fr}.cloud-flow>i{transform:rotate(90deg);text-align:center}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.container{width:min(calc(100% - 28px),var(--container))}.menu{display:block}nav{display:none;position:absolute;top:70px;left:14px;right:14px;padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}nav.open{display:flex}nav a{padding:10px 12px}nav a.active:after{display:none}.phone-pill{text-align:center}.hero{padding:46px 0 72px}.hero h1{font-size:clamp(2.5rem,12vw,4rem)}.feature-strip{margin-top:-24px}.feature-strip-grid,.product-grid{grid-template-columns:1fr}.feature-strip article{border-right:0;border-bottom:1px solid var(--line)}.cta-band-grid,.footer-grid{grid-template-columns:1fr}.section{padding:72px 0}}


/* ===== V4 homepage architecture ===== */
.home-hero{background:
  radial-gradient(circle at 78% 20%,rgba(31,125,255,.17),transparent 32%),
  radial-gradient(circle at 14% 82%,rgba(32,185,121,.10),transparent 28%),
  linear-gradient(180deg,#fff,#f7fbff)}
.home-hero .hero-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}
.home-hero .hero-image-wrap img{height:470px;object-fit:cover;object-position:center;border-radius:26px}
.hero-mini{display:flex;flex-wrap:wrap;gap:14px 18px;margin-top:25px;color:#486176;font-size:.88rem}
.quick-categories{margin-top:-30px;position:relative;z-index:3}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}
.quick-grid article{display:flex;gap:14px;padding:24px 22px;border-right:1px solid var(--line)}
.quick-grid article:last-child{border-right:0}
.quick-grid article>span{width:48px;height:48px;flex:0 0 48px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(135deg,#e7f3ff,#e9fff7);color:var(--blue);font-size:1.45rem}
.quick-grid h3{margin:0 0 3px;font-size:1rem;color:#103c7a}
.quick-grid p{margin:0;color:var(--muted);font-size:.87rem}
.catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.catalog-card{padding:28px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 12px 35px rgba(40,86,150,.07);transition:.22s}
.catalog-card:hover{transform:translateY(-5px);box-shadow:0 20px 45px rgba(40,86,150,.13)}
.catalog-card.featured{background:linear-gradient(135deg,#0d64d9,#1c91f2);color:#fff}
.catalog-card.featured p{color:rgba(255,255,255,.82)}
.catalog-card.featured .catalog-icon{background:rgba(255,255,255,.16);color:#fff}
.catalog-card.featured a{display:inline-block;margin-top:8px;color:#fff;font-weight:800}
.catalog-icon{width:58px;height:58px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,#e7f3ff,#e9fff7);color:var(--blue);font-size:1.55rem}
.catalog-card h3{margin:17px 0 8px}.catalog-card p{margin:0;color:var(--muted)}
.solution-grid-new{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.solution-large{position:relative;min-height:410px;border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
.solution-large img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.solution-large:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,20,48,.08) 10%,rgba(4,20,48,.88) 100%)}
.solution-overlay{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:28px;color:#fff}
.solution-overlay>span{font-size:.74rem;font-weight:800;letter-spacing:.09em;color:#8bd5ff}
.solution-overlay h3{font-size:1.45rem;line-height:1.18;margin:7px 0 9px}
.solution-overlay p{margin:0 0 16px;color:rgba(255,255,255,.82)}
.solution-overlay a{font-weight:800;color:#fff}
.reason-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.reason-grid article{padding:28px;border:1px solid var(--line);border-radius:22px;background:#fff}
.reason-grid article>span{width:54px;height:54px;border-radius:17px;display:grid;place-items:center;background:linear-gradient(135deg,#e7f3ff,#e9fff7);color:var(--blue);font-size:1.45rem}
.reason-grid h3{margin:17px 0 8px}.reason-grid p{margin:0;color:var(--muted)}
.contact-showcase{padding:30px 0 80px}
.contact-box{padding:52px 56px;border-radius:30px;color:#fff;background:
  radial-gradient(circle at 88% 12%,rgba(255,255,255,.18),transparent 24%),
  linear-gradient(135deg,#0a58c8,#2386ef);display:flex;align-items:center;justify-content:space-between;gap:40px}
.contact-box h2{font-size:clamp(2.2rem,4vw,3.6rem);line-height:1.08;letter-spacing:-.035em;margin:12px 0}
.contact-box p{color:rgba(255,255,255,.82);max-width:720px}
.contact-actions{display:flex;flex-direction:column;align-items:flex-start;gap:13px;min-width:320px}
.contact-actions>span{color:rgba(255,255,255,.9)}
.btn.white{background:#fff;color:#0d64d9}
@media(max-width:980px){
  .quick-grid,.catalog-grid,.reason-grid{grid-template-columns:repeat(2,1fr)}
  .solution-grid-new{grid-template-columns:1fr}
  .home-hero .hero-grid{grid-template-columns:1fr}
  .home-hero .hero-image-wrap img{height:auto}
  .contact-box{flex-direction:column;align-items:flex-start}
}
@media(max-width:760px){
  .quick-grid,.catalog-grid,.reason-grid{grid-template-columns:1fr}
  .quick-grid article{border-right:0;border-bottom:1px solid var(--line)}
  .contact-box{padding:38px 25px}
  .contact-actions{min-width:0}
}

/* V5 visual overhaul */
.home-hero .hero-grid{grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr)}.home-hero .hero-image-wrap img{height:470px;object-fit:cover;object-position:center;border-radius:28px}.visual-products{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.visual-products article{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 14px 40px rgba(40,86,150,.09);transition:.22s}.visual-products article:hover{transform:translateY(-5px);box-shadow:0 22px 55px rgba(40,86,150,.15)}.visual-products img{width:100%;height:280px;object-fit:cover}.visual-products article>div{padding:25px}.visual-products span{font-size:.74rem;font-weight:800;letter-spacing:.1em;color:var(--green)}.visual-products h3{font-size:1.45rem;margin:7px 0 8px}.visual-products p{margin:0;color:var(--muted)}.solution-split{display:grid;grid-template-columns:1fr 1fr;gap:24px}.solution-panel{background:#fff;border:1px solid var(--line);border-radius:26px;overflow:hidden;box-shadow:var(--shadow)}.solution-panel.accent{background:linear-gradient(135deg,#eff7ff,#effdf8)}.solution-panel img{width:100%;height:290px;object-fit:cover}.solution-copy{padding:30px}.solution-copy>span{font-size:.74rem;font-weight:800;letter-spacing:.1em;color:var(--green)}.solution-copy h3{font-size:1.65rem;line-height:1.18;margin:8px 0 10px}.solution-copy p{color:var(--muted);margin:0 0 16px}.solution-copy a{font-weight:800;color:var(--blue)}@media(max-width:980px){.visual-products,.solution-split{grid-template-columns:1fr}.home-hero .hero-grid{grid-template-columns:1fr}.home-hero .hero-image-wrap img{height:auto}}@media(max-width:760px){.visual-products img,.solution-panel img{height:auto}}

/* SPOS V5 - FIX HÌNH KHÔNG BỊ CẮT */
.visual-products img,
.solution-panel img {
    width: 100%;
    height: auto !important;
    aspect-ratio: 900 / 560;
    object-fit: contain !important;
    object-position: center !important;
    background: #eef6ff;
    display: block;
}

/* Giữ card đều và sạch trên mobile */
@media (max-width: 760px) {
    .visual-products img,
    .solution-panel img {
        height: auto !important;
        aspect-ratio: 900 / 560;
    }
}