:root{
  --bg:#030f2a;          /* น้ำเงินเข้มลึก */
  --bg-alt:#071a3f;      /* น้ำเงินเข้มโทนอ่อน */
  --primary:#1a73e8;     /* น้ำเงินเทคโนโลยี */
  --primary-2:#60a5fa;   /* ไฟไฮไลต์ */
  --text:#eaf2ff;        /* ตัวอักษรอ่อน */
  --muted:#a6b6d9;       /* ข้อความรอง */
  --card:#0b214f;        /* การ์ด */
  --accent:linear-gradient(135deg, rgba(26,115,232,.18), rgba(96,165,250,.14));
  --radius:16px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:radial-gradient(1200px 600px at 20% -10%, rgba(96,165,250,.15), transparent), radial-gradient(1000px 500px at 100% 10%, rgba(26,115,232,.12), transparent), var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Noto Sans Thai",sans-serif;line-height:1.65}
img{max-width:100%;height:auto;border-radius:12px}
a{color:var(--primary-2);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:0 20px}

/* Header */
.header{position:static;background:rgba(3,15,42,.7);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid rgba(255,255,255,.06)}
.header .bar{display:flex;align-items:center;gap:20px;min-height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.5px}
.logo .mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(145deg,#1a73e8,#60a5fa);box-shadow:inset 0 0 20px rgba(255,255,255,.25)}
.logo .brand{font-size:18px;color:#fff}
.nav{display:flex;gap:18px}
.nav a{padding:10px 12px;border-radius:10px}
.nav a.active,.nav a:hover{background:rgba(255,255,255,.06)}
.nav .cta{background:linear-gradient(135deg,#1a73e8,#60a5fa);color:#02122d; font-weight:700}

/* Desktop/Mobile toggles */
.desktop-only{display:flex}
.mobile-only{display:none}
@media (max-width: 860px){
  .desktop-only{display:none}
  .mobile-only{display:inline-flex}
}
.mobile-top-stack{display:none}
@media (max-width:768px){
  .mobile-top-stack{display:block;margin:0;padding:0}
  .mobile-top-stack a{display:block;line-height:0}
  .mobile-top-stack img{width:100%;height:auto;display:block}
}
/* Quick menu popup (mobile) */
.quick-menu{position:fixed;right:16px;bottom:16px;z-index:60;padding:10px 14px;border-radius:999px;background:#0b214f;border:1px solid rgba(255,255,255,.12);box-shadow:var(--shadow);color:#fff}
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);opacity:0;pointer-events:none;transition:.25s;z-index:70}
.overlay.show{opacity:1;pointer-events:auto}
.quick-panel{position:fixed;left:0;right:0;top:-100%;z-index:80;background:linear-gradient(180deg,#061838, #0b214f);border-bottom:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow);transition:transform .35s ease;transform:translateY(-100%)}
.quick-panel.open{transform:translateY(0);top:0}
.quick-panel .panel-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid rgba(255,255,255,.08)}
.quick-panel .panel-body{display:grid;gap:10px;padding:14px 18px}
.btn-close{background:transparent;color:#fff;border:0;font-size:22px;cursor:pointer}
.no-scroll{overflow:hidden}

/* Hero */
.hero{padding:40px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.hero-wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:26px;align-items:center}
.hero-copy h1{font-size:36px;line-height:1.2;margin:0 0 10px}
.hero-actions{display:flex;gap:12px;margin:14px 0 8px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:12px;background:linear-gradient(135deg,#1a73e8,#60a5fa);color:#04122f;border:0;font-weight:700;box-shadow:var(--shadow)}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.22);color:#eaf2ff}
.hero-bullets{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);padding:0;margin:12px 0 0}
.hero-bullets li{list-style:none;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.06)}
.hero-media img{box-shadow:var(--shadow)}
@media (max-width: 860px){.hero-wrap{grid-template-columns:1fr}.hero-copy h1{font-size:28px}}

/* Facts */
.facts{padding:18px 0}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.fact{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:14px;border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow);background-image:var(--accent)}
.fact .num{font-size:24px;font-weight:800}
.fact .lbl{color:var(--muted)}
@media (max-width: 860px){.grid-4{grid-template-columns:repeat(2,1fr)}}

/* Sections */
.section{padding:56px 0}
.section.alt{background:linear-gradient(180deg, rgba(255,255,255,.03), transparent)}
.lead{color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card h3{margin-top:0}
@media (max-width: 860px){.cards{grid-template-columns:1fr}}

.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.chip{padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.06);color:var(--muted)}

/* Timeline */
.timeline{display:grid;gap:16px;margin:0;padding:0}
.timeline li{list-style:none;padding:12px 14px;border-left:3px solid var(--primary);background:rgba(255,255,255,.04);border-radius:8px}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery img{aspect-ratio:4/3;object-fit:cover}
@media (max-width: 860px){.gallery{grid-template-columns:1fr 1fr}}

/* Team */
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.team article{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);padding:16px}
@media (max-width: 860px){.team{grid-template-columns:1fr 1fr}}

/* Blog */
.blog .card .readmore{display:inline-block;margin-top:8px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
.form{display:grid;gap:10px;background:var(--card);padding:16px;border-radius:var(--radius);border:1px solid rgba(255,255,255,.06)}
.form input,.form textarea{width:100%;padding:10px;border-radius:10px;border:1px solid rgba(255,255,255,.16);background:#061838;color:#fff}
.form .chk{font-size:14px;color:var(--muted)}
.contact .btn{width:100%}
@media (max-width: 860px){.contact-grid{grid-template-columns:1fr}}

/* Footer */
.footer{padding:24px 0 0;border-top:1px solid rgba(255,255,255,.06)}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:18px;padding-bottom:12px}
.legal{text-align:center;color:var(--muted);border-top:1px solid rgba(255,255,255,.06);padding:12px}
.logo.small .mark{width:22px;height:22px}
@media (max-width: 860px){.footer-grid{grid-template-columns:1fr}}

/* Page generic */
.page .doc{max-width:900px}
.hero.small{padding:28px 0}

/* Utility */
.note{color:var(--muted);font-size:14px}