:root{
  --navy:#0a2351;
  --blue:#1d4ed8;
  --blue-2:#2563eb;
  --sky:#e8f1ff;
  --ink:#10203f;
  --muted:#52607a;
  --line:#d9e3f5;
  --white:#fff;
  --radius:16px;
  --shadow:0 10px 30px rgba(10,35,81,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans Thai','Prompt',system-ui,-apple-system,'Segoe UI',sans-serif;color:var(--ink);line-height:1.75;background:#fff;font-size:17px}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(1140px,100% - 40px);margin-inline:auto}
.img-wrap{background:linear-gradient(135deg,#1e3a8a,#2563eb);overflow:hidden}
.img-wrap img{width:100%;height:100%;object-fit:cover}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--navy);font-weight:700;line-height:1.2}
.brand:hover{text-decoration:none}
.brand-mark{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--navy),var(--blue-2));color:#fff;display:grid;place-items:center;font-weight:800;font-size:13px;letter-spacing:.5px}
.brand small{display:block;font-weight:500;color:var(--muted);font-size:12px}
.menu{display:flex;gap:6px;list-style:none;align-items:center}
.menu a{display:block;padding:8px 16px;border-radius:999px;color:var(--ink);font-weight:500;font-size:16px}
.menu a:hover{background:var(--sky);text-decoration:none}
.menu a.active{background:var(--blue);color:#fff}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:44px;height:44px;cursor:pointer}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{display:block;width:20px;height:2px;background:var(--navy);position:relative;content:""}
.nav-toggle span::before{position:absolute;top:-6px}
.nav-toggle span::after{position:absolute;top:6px}

/* Hero */
.hero{position:relative;color:#fff;background:var(--navy);overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.38}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,35,81,.96) 25%,rgba(29,78,216,.55))}
.hero .container{position:relative;z-index:2;padding:110px 0 120px;max-width:1140px}
.eyebrow{display:inline-block;font-size:14px;letter-spacing:.08em;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);padding:6px 16px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:clamp(32px,5.2vw,56px);line-height:1.2;max-width:760px;margin-bottom:20px}
.hero p{max-width:620px;font-size:19px;color:#dbe7ff;margin-bottom:34px}
.btns{display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-block;padding:13px 28px;border-radius:999px;font-weight:600;border:2px solid transparent;transition:.2s;font-size:16px}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:#fff;color:var(--navy)}
.btn-ghost{border-color:rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--navy)}

.page-hero{background:linear-gradient(120deg,var(--navy),var(--blue));color:#fff;padding:70px 0 64px}
.page-hero h1{font-size:clamp(28px,4vw,42px);line-height:1.3;margin-bottom:8px}
.page-hero p{color:#cfe0ff;max-width:640px}
.crumbs{font-size:14px;color:#b7cdf7;margin-bottom:12px}
.crumbs a{color:#fff}

/* Sections */
section{padding:84px 0}
.alt{background:var(--sky)}
.sec-head{max-width:680px;margin-bottom:46px}
.sec-head.center{text-align:center;margin-inline:auto}
.kicker{color:var(--blue);font-weight:700;font-size:14px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px}
h2{font-size:clamp(26px,3.4vw,38px);line-height:1.3;color:var(--navy);margin-bottom:14px}
h3{color:var(--navy);line-height:1.4}
.lead{color:var(--muted);font-size:18px}

.grid{display:grid;gap:26px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g5{grid-template-columns:repeat(5,1fr)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .photo{border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:4/3}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card .img-wrap{aspect-ratio:16/10}
.card-body{padding:22px 24px 26px}
.card-body h3{font-size:20px;margin-bottom:8px}
.card-body p{color:var(--muted);font-size:16px}

.service-text{padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.ico{width:52px;height:52px;border-radius:14px;background:var(--sky);color:var(--blue);display:grid;place-items:center;margin-bottom:16px}
.ico svg{width:26px;height:26px}

.checks{list-style:none;margin-top:20px;display:grid;gap:10px}
.checks li{padding-left:34px;position:relative}
.checks li::before{content:"";position:absolute;left:0;top:6px;width:22px;height:22px;border-radius:50%;background:var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/13px no-repeat}

.steps{counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;position:relative}
.step::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;margin-bottom:14px}
.step h3{font-size:18px;margin-bottom:6px}
.step p{color:var(--muted);font-size:15.5px}

.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:14px}
.gallery .img-wrap{border-radius:14px}
.gallery .wide{grid-column:span 2}
.gallery .tall{grid-row:span 2}

.cta{background:linear-gradient(120deg,var(--navy),var(--blue));color:#fff;text-align:center}
.cta h2{color:#fff}
.cta p{color:#d3e2ff;max-width:600px;margin:0 auto 28px}

/* Contact */
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;gap:18px;align-items:flex-start}
.contact-card h3{font-size:18px;margin-bottom:4px}
.contact-card p,.contact-card a{color:var(--muted);font-size:16px;word-break:break-word}
.contact-card a{color:var(--blue);font-weight:600}
.map{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.map iframe{display:block;width:100%;height:420px;border:0}

/* Prose */
.prose{max-width:820px}
.prose h2{font-size:24px;margin:38px 0 10px}
.prose p,.prose li{color:#33415c}
.prose ul{margin:10px 0 10px 24px}
.prose li{margin-bottom:6px}
.updated{color:var(--muted);font-size:15px}

/* Footer */
.site-footer{background:#07173a;color:#b9c8e8;padding:60px 0 0;font-size:15.5px}
.foot{display:grid;grid-template-columns:1.6fr 1fr 1.3fr;gap:40px;padding-bottom:40px}
.site-footer h4{color:#fff;margin-bottom:14px;font-size:17px}
.site-footer a{color:#b9c8e8}
.site-footer ul{list-style:none;display:grid;gap:8px}
.copy{border-top:1px solid rgba(255,255,255,.12);text-align:center;padding:20px 0;font-size:14.5px}

@media(max-width:900px){
  .g3,.g4,.g5{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:30px}
  .foot{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
  body{font-size:16.5px}
  section{padding:60px 0}
  .nav-toggle{display:grid;place-items:center}
  .menu{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 20px 18px;border-bottom:1px solid var(--line);box-shadow:0 14px 24px rgba(10,35,81,.1)}
  .menu.open{display:flex}
  .menu a{padding:12px 16px;border-radius:12px}
  .g2,.g3,.g4,.g5,.foot{grid-template-columns:1fr}
  .hero .container{padding:80px 0 90px}
  .gallery{grid-auto-rows:160px}
}