/* ===== OMA Inkjet — inkjet.omio.top ===== */
:root{
  --navy:#0a2540;
  --navy-2:#0e3358;
  --accent:#f5a623;
  --accent-dark:#d98c0a;
  --text:#33415c;
  --text-light:#64748b;
  --bg:#ffffff;
  --bg-soft:#f5f8fc;
  --border:#e2e8f0;
  --radius:14px;
  --shadow:0 10px 30px rgba(10,37,64,.08);
  --shadow-hover:0 16px 40px rgba(10,37,64,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Noto Sans Thai','Leelawadee UI','Segoe UI',Tahoma,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .25s}
ul{list-style:none}
.container{width:min(1180px,92%);margin:0 auto}
.line-th{font-size:1.05em}

/* ===== Header ===== */
.topbar{background:var(--navy);color:#cbd5e1;font-size:.85rem;padding:.45rem 0}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
.topbar a{color:#e2e8f0}
.topbar a:hover{color:var(--accent)}
header.site{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 2px 14px rgba(10,37,64,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo img{height:40px;width:auto}
.nav ul{display:flex;gap:.4rem;align-items:center}
.nav ul a{display:block;padding:.55rem 1rem;font-weight:600;font-size:.98rem;color:var(--navy);border-radius:8px}
.nav ul a:hover{color:var(--accent-dark)}
.nav ul a.active{background:var(--navy);color:#fff}
.nav-cta{background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff !important;padding:.6rem 1.3rem !important;border-radius:30px !important;box-shadow:0 6px 16px rgba(245,166,35,.35)}
.nav-cta:hover{transform:translateY(-1px)}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:26px;height:3px;background:var(--navy);margin:5px 0;border-radius:2px;transition:.3s}

/* ===== Hero ===== */
.hero{position:relative;min-height:560px;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero .bg{position:absolute;inset:0;background:url('/img/banner.jpg') center/cover no-repeat}
.hero .veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,37,64,.88) 0%,rgba(10,37,64,.62) 45%,rgba(10,37,64,.25) 100%)}
.hero .inner{position:relative;z-index:2;max-width:720px;padding:5.5rem 0}
.hero h1{font-size:clamp(1.9rem,4vw,3rem);line-height:1.35;font-weight:800;margin-bottom:1.2rem}
.hero p{font-size:clamp(1rem,1.6vw,1.15rem);color:#dbe4f0;margin-bottom:2rem}
.hero .highlight{color:var(--accent)}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 2rem;border-radius:40px;font-weight:700;font-size:1rem;transition:.25s;cursor:pointer;border:0}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;box-shadow:0 8px 20px rgba(245,166,35,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(245,166,35,.45)}
.btn-ghost{border:2px solid rgba(255,255,255,.7);color:#fff;background:transparent}
.btn-ghost:hover{background:#fff;color:var(--navy)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-2);transform:translateY(-2px)}

/* ===== Section ===== */
section{padding:4.5rem 0}
.section-soft{background:var(--bg-soft)}
.section-head{text-align:center;max-width:760px;margin:0 auto 3rem}
.section-head .kicker{display:inline-block;color:var(--accent-dark);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:.85rem;margin-bottom:.6rem}
.section-head h2{font-size:clamp(1.6rem,3vw,2.2rem);color:var(--navy);line-height:1.4;margin-bottom:.8rem}
.section-head p{color:var(--text-light)}

/* ===== Stats ===== */
.stats{background:var(--navy);color:#fff;padding:3rem 0}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;text-align:center}
.stat b{display:block;font-size:clamp(1.6rem,3vw,2.4rem);color:var(--accent);font-weight:800}
.stat span{font-size:.95rem;color:#cbd5e1}

/* ===== Cards / Grids ===== */
.grid{display:grid;gap:1.6rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-5{grid-template-columns:repeat(5,1fr)}
.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.card .thumb{aspect-ratio:4/3;overflow:hidden;background:#eef2f7}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .thumb img{transform:scale(1.06)}
.card .body{padding:1.4rem 1.5rem;flex:1;display:flex;flex-direction:column;gap:.5rem}
.card h3{color:var(--navy);font-size:1.15rem;line-height:1.5}
.card p{font-size:.94rem;color:var(--text-light);flex:1}
.card .more{color:var(--accent-dark);font-weight:700;font-size:.92rem;margin-top:.4rem}
.card .more:hover{color:var(--navy)}

.icon-card{text-align:center;padding:2.2rem 1.6rem;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);border-top:4px solid var(--accent);transition:.3s}
.icon-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.icon-card .ic{width:64px;height:64px;margin:0 auto 1rem;border-radius:50%;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;font-size:1.9rem;color:var(--accent-dark)}
.icon-card h3{color:var(--navy);font-size:1.1rem;margin-bottom:.5rem}
.icon-card p{font-size:.92rem;color:var(--text-light)}

/* ===== Split / About ===== */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:3.2rem;align-items:center}
.split img{border-radius:var(--radius);box-shadow:var(--shadow)}
.split h2{color:var(--navy);font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.45;margin-bottom:1rem}
.split p{margin-bottom:1rem;color:var(--text)}
.checklist li{position:relative;padding-left:1.9rem;margin-bottom:.55rem;color:var(--text)}
.checklist li::before{content:"✓";position:absolute;left:0;top:0;color:var(--accent-dark);font-weight:800}

/* ===== Cases ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.case{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3}
.case img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.case:hover img{transform:scale(1.07)}
.case figcaption{position:absolute;left:0;right:0;bottom:0;padding:1.2rem;background:linear-gradient(transparent,rgba(10,37,64,.92));color:#fff;font-weight:600;font-size:.98rem;line-height:1.5}

/* ===== Page banner (sub pages) ===== */
.page-banner{position:relative;padding:4.6rem 0;color:#fff;background:var(--navy) url('/img/banner.jpg') center/cover no-repeat}
.page-banner::before{content:"";position:absolute;inset:0;background:rgba(10,37,64,.82)}
.page-banner .container{position:relative;z-index:2}
.page-banner h1{font-size:clamp(1.7rem,3vw,2.4rem);margin-bottom:.5rem}
.page-banner p{color:#c9d6e6}
.breadcrumb{font-size:.9rem;color:#9fb2cc;margin-top:.6rem}
.breadcrumb a{color:var(--accent)}

/* ===== CTA strip ===== */
.cta-strip{background:linear-gradient(120deg,var(--navy) 0%,var(--navy-2) 60%,#123c66 100%);color:#fff;padding:3.4rem 0}
.cta-strip .inner{display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap}
.cta-strip h2{font-size:clamp(1.4rem,2.6vw,1.9rem);margin-bottom:.5rem}
.cta-strip p{color:#c9d6e6}
.cta-strip .btn-primary{font-size:1.05rem;padding:1rem 2.4rem}

/* ===== FAQ ===== */
.faq-item{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:1rem;overflow:hidden}
.faq-item summary{cursor:pointer;list-style:none;padding:1.2rem 1.5rem;font-weight:700;color:var(--navy);display:flex;justify-content:space-between;align-items:center;gap:1rem;font-size:1.02rem}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.5rem;color:var(--accent-dark);font-weight:700;transition:.3s;flex-shrink:0}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 1.5rem 1.3rem;color:var(--text-light);font-size:.97rem}

/* ===== Product detail ===== */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}
.pd .img-wrap{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#fff;position:sticky;top:100px}
.pd h1{color:var(--navy);font-size:clamp(1.6rem,3vw,2.1rem);line-height:1.4;margin:.3rem 0 1rem}
.pd .lead{font-size:1.05rem;color:var(--text);margin-bottom:1.4rem}
.pd .tagline{display:inline-block;background:#fff4dd;color:var(--accent-dark);font-weight:700;padding:.35rem 1rem;border-radius:30px;font-size:.9rem;margin-bottom:1rem}
.spec-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin:1.6rem 0}
.spec-table th,.spec-table td{padding:.85rem 1.2rem;text-align:left;font-size:.95rem;border-bottom:1px solid var(--border)}
.spec-table th{background:var(--bg-soft);color:var(--navy);width:34%;font-weight:700}
.spec-table tr:last-child td{border-bottom:0}
.pd-actions{display:flex;gap:1rem;flex-wrap:wrap;margin-top:1.6rem}
.pd-section{margin-top:2.5rem}
.pd-section h2{color:var(--navy);font-size:1.4rem;margin-bottom:1rem;padding-left:1rem;border-left:4px solid var(--accent)}
.pd-section p{margin-bottom:1rem}
.pd-section ul{margin-top:.6rem}
.feature-list li{position:relative;padding-left:2rem;margin-bottom:.7rem;color:var(--text)}
.feature-list li::before{content:"◆";position:absolute;left:0;color:var(--accent-dark);font-size:.85rem;top:.25rem}

/* ===== Contact ===== */
.contact-wrap{display:grid;grid-template-columns:1fr 1.35fr;gap:3rem;align-items:start}
.contact-info .block{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:1.6rem 1.8rem;margin-bottom:1.3rem}
.contact-info h3{color:var(--navy);font-size:1.08rem;margin-bottom:.5rem;display:flex;align-items:center;gap:.6rem}
.contact-info h3 .ic{color:var(--accent-dark)}
.contact-info p,.contact-info address{font-style:normal;color:var(--text-light);font-size:.95rem}
.contact-form{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:2.2rem}
.contact-form h2{color:var(--navy);font-size:1.35rem;margin-bottom:1.4rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.form-group{margin-bottom:1.2rem}
.form-group label{display:block;font-weight:600;color:var(--navy);font-size:.94rem;margin-bottom:.4rem}
.form-group label .req{color:#e11d48}
.form-group input,.form-group textarea,.form-group select{
  width:100%;padding:.8rem 1rem;border:1.5px solid var(--border);border-radius:10px;font-size:.98rem;
  font-family:inherit;color:var(--text);background:var(--bg-soft);transition:.25s;resize:vertical}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:0;border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(245,166,35,.15)}
.form-status{display:none;padding:1.2rem 1.4rem;border-radius:12px;margin-top:1.2rem;font-weight:600}
.form-status.success{display:block;background:#e7f8ef;color:#0f7b3f;border:1.5px solid #a7e3c2}
.form-status.error{display:block;background:#fdecec;color:#b91c1c;border:1.5px solid #f5b5b5}
.form-note{font-size:.85rem;color:var(--text-light);margin-top:.8rem}

/* ===== Footer ===== */
footer.site{background:#071a30;color:#94a9c4;padding:3.6rem 0 0;font-size:.94rem}
footer.site .grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:2.4rem;padding-bottom:2.6rem}
footer.site h4{color:#fff;font-size:1.05rem;margin-bottom:1rem}
footer.site a:hover{color:var(--accent)}
footer.site li{margin-bottom:.55rem}
footer.site address{font-style:normal}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:1.2rem 0;text-align:center;color:#6b82a0;font-size:.86rem}

/* ===== Certificates ===== */
.cert{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:1.4rem;text-align:center;transition:.3s}
.cert:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.cert img{border-radius:8px;aspect-ratio:500/707;object-fit:cover;width:100%}
.cert h3{color:var(--navy);font-size:1.05rem;margin-top:1rem}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-5{grid-template-columns:repeat(3,1fr)}
  .stats .grid{grid-template-columns:repeat(3,1fr)}
  footer.site .grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .burger{display:block}
  .nav ul{position:fixed;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:1rem 4%;gap:.2rem;box-shadow:0 14px 30px rgba(10,37,64,.14);transform:translateY(-130%);transition:.35s;z-index:99}
  .nav ul.open{transform:translateY(0)}
  .nav ul a{padding:.9rem 1rem}
  .split,.pd,.contact-wrap{grid-template-columns:1fr}
  .pd .img-wrap{position:static}
  .grid-3,.case-grid,.grid-2{grid-template-columns:1fr 1fr}
  .cta-strip .inner{flex-direction:column;text-align:center}
}
@media (max-width:560px){
  section{padding:3rem 0}
  .grid-3,.case-grid,.grid-2,.grid-4,.grid-5,.form-row{grid-template-columns:1fr}
  .stats .grid{grid-template-columns:repeat(2,1fr)}
  .hero{min-height:480px}
  .contact-form{padding:1.5rem}
  footer.site .grid{grid-template-columns:1fr}
}