:root{
  --navy:#07182f;--blue:#155eef;--blue2:#0b4dcc;--red:#e3342f;--ink:#10213b;
  --muted:#5f6f86;--line:#dfe6ef;--soft:#f5f8fc;--white:#fff;--radius:22px;
  --shadow:0 18px 50px rgba(7,24,47,.10);--max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"IBM Plex Sans Thai",sans-serif;color:var(--ink);background:#fff;line-height:1.75}
img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}
.container{width:min(calc(100% - 40px),var(--max));margin-inline:auto}.skip-link{position:fixed;left:12px;top:-100px;background:var(--navy);color:#fff;padding:8px 14px;z-index:1000}.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(223,230,239,.8);transition:.25s}
.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:inline-flex;align-items:center;min-width:150px}.brand img{width:180px;height:56px;object-fit:contain}.brand-fallback{font-size:1.45rem;font-weight:700;color:var(--navy)}.brand-fallback span{color:var(--red)}
.primary-nav{display:flex;align-items:center;gap:4px}.nav-link{padding:9px 10px;border-radius:10px;font-size:.93rem;font-weight:500}.nav-link:hover,.nav-link.is-active{background:var(--soft);color:var(--blue)}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px}.menu-toggle span{display:block;width:22px;height:2px;background:var(--navy);margin:4px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:12px 20px;font-weight:600;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 24px rgba(21,94,239,.22)}.btn-primary:hover{background:var(--blue2)}.btn-outline{border-color:var(--line);background:#fff}.btn-small{padding:9px 15px;font-size:.9rem}
.scroll-progress{position:fixed;top:75px;left:0;height:3px;width:0;background:var(--red);z-index:101}
.hero{padding:90px 0 70px;background:radial-gradient(circle at 85% 20%,rgba(21,94,239,.12),transparent 35%),linear-gradient(180deg,#fff,#f7faff)}.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:65px}.eyebrow{font-size:.84rem;text-transform:uppercase;letter-spacing:.12em;color:var(--blue);font-weight:700}.hero h1{font-size:clamp(2.3rem,5vw,4.45rem);line-height:1.13;letter-spacing:-.035em;margin:12px 0 22px}.hero h1 em{font-style:normal;color:var(--blue)}.hero p.lead{font-size:1.18rem;color:var(--muted);max-width:680px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-visual{aspect-ratio:16/10;border-radius:28px;background:linear-gradient(145deg,#091d3a,#102d59);position:relative;overflow:hidden;box-shadow:var(--shadow);border:1px solid #173c70}.hero-visual:before{content:"";position:absolute;inset:10% 8%;border:1px solid rgba(255,255,255,.16);border-radius:18px}.mock-label{position:absolute;inset:0;display:grid;place-items:center;color:#fff;text-align:center;letter-spacing:.08em}.mock-label strong{display:block;font-size:1.1rem}.mock-label span{opacity:.65;font-size:.78rem}.grid-pattern{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:42px 42px}
.section{padding:88px 0}.section-soft{background:var(--soft)}.section-head{max-width:760px;margin-bottom:38px}.section-head h2{font-size:clamp(1.8rem,3vw,2.8rem);line-height:1.2;margin:8px 0 14px}.section-head p{color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff;transition:.25s}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c8d5e8}.card h3{margin:12px 0 8px;font-size:1.2rem}.card p{color:var(--muted);margin:0 0 16px}.icon-box{width:46px;height:46px;border-radius:13px;background:#edf4ff;color:var(--blue);display:grid;place-items:center;font-weight:700}
.trust-grid,.split{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.check-list{list-style:none;padding:0;margin:22px 0}.check-list li{position:relative;padding-left:30px;margin:12px 0}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:700}
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}.stat{padding:25px;background:#fff}.stat strong{font-size:1.35rem;display:block}.stat span{color:var(--muted);font-size:.9rem}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{padding:24px;border-top:2px solid var(--blue);background:#fff;border-radius:0 0 16px 16px}.step b{font-size:.82rem;color:var(--blue)}
.faq-list{display:grid;gap:10px}.faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}.faq-q{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;border:0;background:transparent;padding:18px 20px;font-weight:600;cursor:pointer}.faq-a{max-height:0;overflow:hidden;padding:0 20px;color:var(--muted);transition:max-height .3s,padding .3s}.faq-item.is-open .faq-a{max-height:500px;padding:0 20px 18px}.faq-q span:last-child{font-size:1.3rem;color:var(--blue)}
.cta{padding:65px 0;background:var(--navy);color:#fff}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta p{color:#c4d0e2;margin:5px 0 0}.cta .btn-outline{color:#fff;border-color:rgba(255,255,255,.25);background:transparent}
.page-hero{padding:72px 0 45px;background:linear-gradient(180deg,#f7faff,#fff)}.page-hero h1{font-size:clamp(2.1rem,4vw,3.6rem);line-height:1.2;margin:10px 0}.page-hero p{max-width:760px;color:var(--muted);font-size:1.08rem}.breadcrumb{padding-top:20px;font-size:.86rem;color:var(--muted)}.breadcrumb a:hover{color:var(--blue)}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.service-card{display:flex;flex-direction:column;min-height:270px}.service-card .btn{margin-top:auto;align-self:flex-start}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.feature{padding:25px;border:1px solid var(--line);border-radius:18px}.feature h3{margin-top:0}.feature p{color:var(--muted)}
.placeholder{aspect-ratio:3/2;background:linear-gradient(135deg,#edf3fb,#f9fbfe);border:1px dashed #aebed3;border-radius:18px;display:grid;place-items:center;color:#71839a;text-align:center}.placeholder span{display:block;font-weight:700;letter-spacing:.08em}.placeholder small{display:block;margin-top:3px}
.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.project{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff}.project .placeholder{border:0;border-radius:0}.project-body{padding:20px}.project-body h3{margin:0 0 5px}.project-body p{color:var(--muted);margin:0 0 15px}.tag{display:inline-block;padding:4px 9px;border-radius:999px;background:#eef4fc;color:#45617f;font-size:.78rem}
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:25px}.contact-card{border:1px solid var(--line);border-radius:22px;padding:28px}.contact-line{display:flex;gap:15px;padding:16px 0;border-bottom:1px solid var(--line)}.contact-line:last-child{border-bottom:0}.contact-line b{display:block}.contact-line span{color:var(--muted)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.field{display:grid;gap:6px}.field.full{grid-column:1/-1}.field label{font-weight:600}.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 14px;outline:none}.field input:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(21,94,239,.1)}.field textarea{min-height:150px;resize:vertical}.form-note{font-size:.82rem;color:var(--muted);margin-top:12px}
.site-footer{background:#061426;color:#d7e0ec;padding:65px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand{margin-bottom:12px}.footer-grid p{color:#aebdd0}.footer-grid h2{font-size:1rem;color:#fff}.footer-grid ul{list-style:none;padding:0;margin:0}.footer-grid li{margin:7px 0;color:#aebdd0}.footer-grid a:hover{color:#fff}.footer-bottom{margin-top:50px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:15px;color:#91a2b8;font-size:.82rem}
.back-top{position:fixed;right:20px;bottom:20px;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;opacity:0;pointer-events:none;transition:.2s;box-shadow:0 8px 22px rgba(21,94,239,.25)}.back-top.is-visible{opacity:1;pointer-events:auto}
.reveal{opacity:0;transform:translateY(14px);transition:.55s ease}.reveal.is-visible{opacity:1;transform:none}
.article h2{font-size:1.8rem;margin-top:45px}.article h3{font-size:1.25rem;margin-top:28px}.article p,.article li{color:#46566d}.article ul,.article ol{padding-left:22px}
.notice{padding:18px 20px;border-left:4px solid var(--blue);background:#f4f8ff;border-radius:0 12px 12px 0;margin:25px 0}
@media (max-width:1050px){.primary-nav{gap:0}.nav-link{padding:8px 7px;font-size:.86rem}.hero-grid{gap:35px}.cards,.service-grid,.portfolio-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:2fr 1fr 1fr}}
@media (max-width:800px){.menu-toggle{display:block}.primary-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px 18px;display:none;flex-direction:column;align-items:stretch}.primary-nav.is-open{display:flex}.nav-link,.nav-cta{width:100%;text-align:left}.nav-cta{text-align:center;margin-top:6px}.hero-grid,.trust-grid,.split,.contact-grid{grid-template-columns:1fr}.hero{padding-top:60px}.hero-visual{order:-1}.process{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:576px){.container{width:min(calc(100% - 28px),var(--max))}.header-inner{min-height:68px}.brand img{width:145px;height:48px}.scroll-progress{top:67px}.cards,.service-grid,.portfolio-grid,.feature-grid,.process,.form-grid{grid-template-columns:1fr}.hero{padding:45px 0 55px}.hero h1{font-size:2.3rem}.section{padding:60px 0}.cta-inner{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.page-hero{padding:48px 0 30px}.stat-strip{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.card,.btn{transition:none}}