/* ==========================================================================
   KOIZUMI.SYNCE.COM.VN – STATIC SUBDOMAIN
   ========================================================================== */

:root{
  color-scheme:light;
}

html{
  scroll-behavior:smooth;
  scroll-padding-top:88px;
}

body{
  margin:0;
  background:#fff;
  color:#10203b;
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

body,
button,
input,
textarea{
  font-family:inherit;
}

a{
  color:inherit;
}

.koizumi-site-shell{
  width:min(1180px,calc(100% - 40px));
  margin-inline:auto;
}

.koizumi-site-header{
  position:sticky;
  top:0;
  z-index:999;
  border-bottom:1px solid rgba(0,0,95,.10);
  background:rgba(255,255,255,.94);
  box-shadow:0 8px 25px rgba(0,0,95,.06);
  backdrop-filter:blur(15px);
}

.koizumi-site-header__inner{
  min-height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}

.koizumi-site-brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
}

.koizumi-site-brand__mark{
  display:grid;
  place-items:center;
  width:43px;
  height:43px;
  border-radius:12px;
  color:#fff;
  background:linear-gradient(135deg,#00005f,#0000ff);
  box-shadow:0 10px 22px rgba(0,0,255,.20);
  font-size:23px;
  font-weight:900;
}

.koizumi-site-brand strong,
.koizumi-site-brand small{
  display:block;
}

.koizumi-site-brand strong{
  color:#10203b;
  font-size:18px;
  line-height:1.1;
  letter-spacing:-.02em;
}

.koizumi-site-brand small{
  margin-top:4px;
  color:#65728a;
  font-size:9px;
  font-weight:800;
  letter-spacing:.12em;
}

.koizumi-site-nav{
  display:flex;
  align-items:center;
  gap:24px;
}

.koizumi-site-nav a{
  color:#33415a;
  text-decoration:none;
  font-size:13px;
  font-weight:800;
}

.koizumi-site-nav a:hover{
  color:#0000ff;
}

.koizumi-site-nav__cta{
  min-height:42px;
  display:inline-flex;
  align-items:center;
  padding:0 16px;
  border-radius:9px;
  color:#fff!important;
  background:#ff0000;
  box-shadow:0 10px 22px rgba(255,0,0,.18);
}

.koizumi-site-nav__cta:hover{
  background:#d70000;
}

.koizumi-site-footer{
  color:#dbe7f7;
  background:#05052f;
}

.koizumi-site-footer__grid{
  display:grid;
  grid-template-columns:1.2fr 1fr .7fr;
  gap:55px;
  padding:58px 0;
}

.koizumi-site-brand--footer strong{
  color:#fff;
}

.koizumi-site-brand--footer small{
  color:#aebed3;
}

.koizumi-site-footer p{
  max-width:520px;
  margin:15px 0 0;
  color:#afbed2;
  font-size:13px;
  line-height:1.7;
}

.koizumi-site-footer h2{
  margin:0 0 15px;
  color:#fff;
  font-size:16px;
}

.koizumi-site-footer__grid>div:last-child{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:9px;
}

.koizumi-site-footer a{
  color:#dbe7f7;
  text-decoration:none;
  font-size:13px;
}

.koizumi-site-footer a:hover{
  color:#fff;
}

.koizumi-site-footer__bottom{
  padding:17px 0;
  border-top:1px solid rgba(255,255,255,.10);
  color:#93a5bd;
  font-size:11px;
}

@media(max-width:900px){
  .koizumi-site-header__inner{
    min-height:70px;
  }

  .koizumi-site-nav a:not(.koizumi-site-nav__cta){
    display:none;
  }

  .koizumi-site-footer__grid{
    grid-template-columns:1fr 1fr;
  }

  .koizumi-site-footer__grid>div:last-child{
    grid-column:1/-1;
  }
}

@media(max-width:620px){
  html{
    scroll-padding-top:72px;
  }

  .koizumi-site-shell{
    width:min(100% - 26px,1180px);
  }

  .koizumi-site-brand small{
    display:none;
  }

  .koizumi-site-brand strong{
    font-size:15px;
  }

  .koizumi-site-brand__mark{
    width:39px;
    height:39px;
    font-size:20px;
  }

  .koizumi-site-nav__cta{
    min-height:39px;
    padding:0 12px;
    font-size:12px!important;
  }

  .koizumi-site-footer__grid{
    grid-template-columns:1fr;
    gap:32px;
    padding:43px 0;
  }

  .koizumi-site-footer__grid>div:last-child{
    grid-column:auto;
  }
}


/* ==========================================================================
   SYNCE TOOL – LANDING PAGE KOIZUMI TOOL
   CSS gọn, responsive, kế thừa font website
   ========================================================================== */

.synce-koizumi{
  --kz-blue:#0000ff;
  --kz-blue-dark:#00005f;
  --kz-synce:#0000ff;
  --kz-red:#ff0000;
  --kz-ink:#10203b;
  --kz-muted:#65728a;
  --kz-line:#dce4ef;
  --kz-soft:#f4f7fb;
  color:var(--kz-ink);
  line-height:1.65;
  overflow:hidden;
}

.synce-koizumi,
.synce-koizumi *,
.synce-koizumi *::before,
.synce-koizumi *::after{
  box-sizing:border-box;
  font-family:inherit!important;
}

.synce-koizumi img{display:block;max-width:100%;height:auto}
.synce-koizumi a{text-decoration:none}
.synce-koizumi h1,
.synce-koizumi h2,
.synce-koizumi h3,
.synce-koizumi p{margin-top:0}
.synce-koizumi h1,
.synce-koizumi h2,
.synce-koizumi h3{color:var(--kz-ink);line-height:1.17}

.synce-koizumi-container{
  width:min(1160px,calc(100% - 40px));
  margin-inline:auto;
}

.synce-koizumi-section{padding:82px 0}
.synce-koizumi-section--soft{background:var(--kz-soft)}

.synce-koizumi-kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#dce8ff;
  font-size:12px;
  font-weight:850;
  letter-spacing:.14em;
}

.synce-koizumi-kicker::before{
  content:"";
  width:32px;
  height:3px;
  border-radius:999px;
  background:var(--kz-red);
}

.synce-koizumi-kicker--dark{color:var(--kz-synce)}

.synce-koizumi-heading{
  max-width:820px;
  margin:0 auto 40px;
  text-align:center;
}

.synce-koizumi-heading h2{
  margin:14px 0 12px;
  font-size:clamp(31px,4vw,47px);
  letter-spacing:-.04em;
}

.synce-koizumi-heading p{
  margin:0;
  color:var(--kz-muted);
  font-size:16px;
}

.synce-koizumi-heading--light h2{color:#fff}
.synce-koizumi-heading--light p{color:rgba(255,255,255,.82)}

.synce-koizumi-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:50px;
  padding:0 22px;
  border-radius:10px;
  font-size:14px;
  font-weight:850;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}

.synce-koizumi-btn:hover{transform:translateY(-2px)}
.synce-koizumi-btn--red{color:#fff;background:var(--kz-red);box-shadow:0 12px 28px rgba(255,0,0,.22)}
.synce-koizumi-btn--red:hover{color:#fff;background:#d70000}
.synce-koizumi-btn--blue{color:#fff;background:var(--kz-synce)}
.synce-koizumi-btn--blue:hover{color:#fff;background:#0000c8}
.synce-koizumi-btn--outline{color:#fff;border:1px solid rgba(255,255,255,.48);background:rgba(255,255,255,.08)}
.synce-koizumi-btn--outline:hover{color:var(--kz-synce);background:#fff}

/* HERO */
.synce-koizumi-hero{
  position:relative;
  color:#fff;
  background:
    radial-gradient(circle at 90% 10%,rgba(60,90,255,.30),transparent 32%),
    linear-gradient(135deg,#05052f 0%,#0000a8 55%,#0000ff 100%);
}

.synce-koizumi-hero__grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
  min-height:610px;
  padding:68px 0;
}

.synce-koizumi-breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:23px;
  color:rgba(255,255,255,.70);
  font-size:13px;
}

.synce-koizumi-breadcrumb a{color:rgba(255,255,255,.78)}
.synce-koizumi-breadcrumb strong{color:#fff}

.synce-koizumi-hero h1{
  margin:17px 0 20px;
  color:#fff;
  font-size:clamp(43px,5.3vw,69px);
  letter-spacing:-.052em;
}

.synce-koizumi-hero__copy>p{
  max-width:690px;
  margin-bottom:29px;
  color:#e1ecff;
  font-size:17px;
}

.synce-koizumi-actions{display:flex;flex-wrap:wrap;gap:11px}

.synce-koizumi-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:27px;
}

.synce-koizumi-tags span{
  padding:6px 10px;
  border:1px solid rgba(255,255,255,.25);
  border-radius:999px;
  color:#fff;
  background:rgba(255,255,255,.08);
  font-size:11px;
  font-weight:750;
}

.synce-koizumi-hero__image{
  margin:0;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.28);
  border-radius:21px;
  background:#fff;
  box-shadow:0 28px 60px rgba(0,0,70,.36);
}

.synce-koizumi-hero__image img{
  width:100%;
  height:auto;
}

/* PROOF */
.synce-koizumi-proof{
  position:relative;
  z-index:3;
  margin-top:-36px;
}

.synce-koizumi-proof__grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  overflow:hidden;
  border:1px solid var(--kz-line);
  border-radius:18px;
  background:#fff;
  box-shadow:0 20px 50px rgba(0,45,100,.11);
}

.synce-koizumi-proof article{
  min-height:120px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:23px 25px;
  border-right:1px solid var(--kz-line);
}

.synce-koizumi-proof article:last-child{border-right:0}
.synce-koizumi-proof b{color:var(--kz-blue);font-size:27px;line-height:1.1}
.synce-koizumi-proof span{margin-top:7px;color:var(--kz-muted);font-size:13px;font-weight:700}

/* PRODUCT CARDS */
.synce-koizumi-product-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}

.synce-koizumi-product-card{
  min-width:0;
  display:grid;
  grid-template-columns:42% 58%;
  overflow:hidden;
  border:1px solid var(--kz-line);
  border-radius:18px;
  background:#fff;
  box-shadow:0 10px 30px rgba(15,40,80,.06);
  transition:transform .23s ease,box-shadow .23s ease,border-color .23s ease;
}

.synce-koizumi-product-card:hover{
  transform:translateY(-5px);
  border-color:rgba(0,0,255,.35);
  box-shadow:0 20px 45px rgba(0,0,120,.12);
}

.synce-koizumi-product-card__image{
  position:relative;
  min-height:310px;
  overflow:hidden;
  background:#fff;
}

.synce-koizumi-product-card__image img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}

.synce-koizumi-product-card:hover .synce-koizumi-product-card__image img{transform:scale(1.045)}

.synce-koizumi-product-card__body{
  display:flex;
  flex-direction:column;
  padding:25px;
}

.synce-koizumi-product-card__body>span{
  display:grid;
  place-items:center;
  width:42px;
  height:30px;
  margin-bottom:17px;
  border-radius:7px;
  color:#fff;
  background:var(--kz-red);
  font-size:12px;
  font-weight:850;
}

.synce-koizumi-product-card h3{margin:0 0 9px;font-size:23px}
.synce-koizumi-product-card p{margin:0 0 15px;color:var(--kz-muted);font-size:14px}
.synce-koizumi-product-card small{margin-top:auto;color:var(--kz-blue);font-size:12px;font-weight:800}

/* APPLICATIONS */
.synce-koizumi-applications{
  color:#fff;
  background:
    radial-gradient(circle at 88% 12%,rgba(70,100,255,.38),transparent 34%),
    linear-gradient(135deg,#05052f 0%,#00009a 55%,#0000ff 100%);
}

.synce-koizumi-application-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:17px;
}

.synce-koizumi-application-grid article{
  min-height:225px;
  padding:24px;
  border:1px solid rgba(255,255,255,.24);
  border-radius:16px;
  background:rgba(255,255,255,.09);
}

.synce-koizumi-application-grid b{
  display:grid;
  place-items:center;
  width:42px;
  height:31px;
  margin-bottom:21px;
  border-radius:8px;
  color:#fff;
  background:var(--kz-red);
  font-size:12px;
}

.synce-koizumi-application-grid h3{margin:0 0 9px;color:#fff;font-size:19px}
.synce-koizumi-application-grid p{margin:0;color:rgba(255,255,255,.80);font-size:13.5px}

/* PROCESS */
.synce-koizumi-custom{background:#fff}

.synce-koizumi-process-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}

.synce-koizumi-process-grid article{
  position:relative;
  min-height:225px;
  padding:24px;
  border:1px solid var(--kz-line);
  border-radius:16px;
  background:#fff;
  box-shadow:0 9px 26px rgba(20,40,80,.055);
}

.synce-koizumi-process-grid b{
  display:grid;
  place-items:center;
  width:45px;
  height:45px;
  margin-bottom:22px;
  border-radius:12px;
  color:#fff;
  background:var(--kz-blue);
}

.synce-koizumi-process-grid h3{margin:0 0 8px;font-size:19px}
.synce-koizumi-process-grid p{margin:0;color:var(--kz-muted);font-size:13.5px}

/* PARTNER CTA */
.synce-koizumi-partner{
  padding:70px 0;
  background:var(--kz-soft);
}

.synce-koizumi-partner__box{
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;
  gap:35px;
  padding:38px;
  border:1px solid rgba(0,0,255,.20);
  border-radius:20px;
  background:#fff;
  box-shadow:0 18px 45px rgba(0,0,120,.08);
}

.synce-koizumi-partner h2{
  margin:13px 0 10px;
  font-size:clamp(30px,4vw,43px);
  letter-spacing:-.04em;
}

.synce-koizumi-partner p{max-width:760px;margin:0;color:var(--kz-muted)}
.synce-koizumi-partner__actions{display:flex;flex-wrap:wrap;gap:10px}

/* RESPONSIVE */
@media(max-width:980px){
  .synce-koizumi-hero__grid{grid-template-columns:1fr}
  .synce-koizumi-proof__grid{grid-template-columns:repeat(2,1fr)}
  .synce-koizumi-proof article:nth-child(2){border-right:0}
  .synce-koizumi-proof article:nth-child(-n+2){border-bottom:1px solid var(--kz-line)}
  .synce-koizumi-product-grid{grid-template-columns:1fr}
  .synce-koizumi-application-grid,
  .synce-koizumi-process-grid{grid-template-columns:repeat(2,1fr)}
  .synce-koizumi-partner__box{grid-template-columns:1fr}
}

@media(max-width:650px){
  .synce-koizumi-container{width:min(100% - 26px,1160px)}
  .synce-koizumi-section{padding:66px 0}
  .synce-koizumi-hero__grid{min-height:0;padding:56px 0 80px}
  .synce-koizumi-hero h1{font-size:38px}
  .synce-koizumi-actions{display:grid}
  .synce-koizumi-btn{width:100%}
  .synce-koizumi-proof__grid{grid-template-columns:1fr}
  .synce-koizumi-proof article{border-right:0;border-bottom:1px solid var(--kz-line)}
  .synce-koizumi-proof article:last-child{border-bottom:0}
  .synce-koizumi-product-card{grid-template-columns:1fr}
  .synce-koizumi-product-card__image{min-height:250px}
  .synce-koizumi-application-grid,
  .synce-koizumi-process-grid{grid-template-columns:1fr}
  .synce-koizumi-partner__box{padding:27px 22px}
  .synce-koizumi-partner__actions{display:grid}
}


/* ==========================================================================
   SYNCE COLOR OVERRIDE
   Xanh chủ đạo #0000ff | Đỏ nhấn #ff0000
   ========================================================================== */

:root{
  --synce-blue:#0000ff;
  --synce-red:#ff0000;
  --synce-navy:#00005f;
}

.koizumi-site-brand__mark{
  background:linear-gradient(135deg,#00005f,#0000ff)!important;
}

.koizumi-site-nav a:hover{
  color:#0000ff!important;
}

.synce-koizumi{
  --kz-blue:#0000ff!important;
  --kz-blue-dark:#00005f!important;
  --kz-synce:#0000ff!important;
  --kz-red:#ff0000!important;
}

.synce-koizumi-hero{
  background:
    radial-gradient(circle at 90% 10%,rgba(85,105,255,.34),transparent 32%),
    linear-gradient(135deg,#05052f 0%,#0000a8 55%,#0000ff 100%)!important;
}

.synce-koizumi-applications{
  background:
    radial-gradient(circle at 88% 12%,rgba(85,105,255,.40),transparent 34%),
    linear-gradient(135deg,#05052f 0%,#00009a 55%,#0000ff 100%)!important;
}

.synce-koizumi-proof b,
.synce-koizumi-product-card small,
.synce-koizumi-kicker--dark{
  color:#0000ff!important;
}

.synce-koizumi-product-card:hover{
  border-color:rgba(0,0,255,.35)!important;
  box-shadow:0 20px 45px rgba(0,0,120,.12)!important;
}

.synce-koizumi-process-grid b,
.synce-koizumi-btn--blue{
  background:#0000ff!important;
}

.synce-koizumi-btn--blue:hover{
  background:#0000c8!important;
}

.koizumi-site-footer{
  background:#05052f!important;
}