@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;600;700;800&family=Sarabun:wght@300;400;500;600&display=swap');
:root{--navy:#0d1f3c;--navy-mid:#162d52;--navy-light:#1e3d6e;--gold:#c9930a;--gold-light:#f0b429;--gold-pale:#fef7e6;--white:#fff;--off:#f9f8f5;--text:#1a1a2e;--text-mid:#4a5568;--text-light:#718096;--border:#e2e8f0;--green:#2d7d5a;--shadow:0 4px 24px rgba(13,31,60,.10);--r:14px;--r-lg:22px}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Sarabun',sans-serif;background:var(--off);color:var(--text);line-height:1.7}
img{max-width:100%;display:block}
a{color:var(--navy);text-decoration:none}

/* HEADER */
header{background:var(--navy);position:sticky;top:0;z-index:200;box-shadow:0 2px 20px rgba(0,0,0,.35)}
.hd-inner{max-width:1240px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:60px;gap:16px}
.logo-wrap{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.logo-img{width:36px;height:36px;border-radius:7px;object-fit:cover}
.logo-text{color:#fff;line-height:1.2}
.logo-text strong{font-family:'Kanit',sans-serif;font-size:15px;font-weight:700;display:block}
.logo-text span{font-size:11px;color:#a0b4c8}
.hd-nav{display:flex;gap:4px;align-items:center}
.hd-nav a{color:#c0d0e0;font-size:13px;font-weight:500;padding:6px 10px;border-radius:7px;transition:all .2s}
.hd-nav a:hover{background:var(--navy-light);color:var(--gold-light)}
.hd-cta{background:linear-gradient(135deg,var(--gold),var(--gold-light));color:var(--navy)!important;font-weight:700!important;border-radius:8px!important;padding:7px 14px!important}

/* BREADCRUMB */
.breadcrumb{background:#fff;border-bottom:1px solid var(--border);padding:10px 0}
.bc-inner{max-width:1240px;margin:0 auto;padding:0 20px}
.bc-inner ol{display:flex;flex-wrap:wrap;gap:4px;list-style:none;font-size:13px;color:var(--text-light)}
.bc-inner ol li a{color:var(--navy);transition:color .2s}
.bc-inner ol li a:hover{color:var(--gold)}
.bc-inner ol li:not(:last-child)::after{content:' ›';margin-left:4px}

/* PAGE HERO */
.pg-hero{background:linear-gradient(135deg,var(--navy),var(--navy-mid),#1a3a5c);padding:60px 20px;text-align:center;color:#fff}
.pg-hero-icon{font-size:60px;margin-bottom:16px;line-height:1}
.pg-hero h1{font-family:'Kanit',sans-serif;font-size:clamp(24px,4vw,42px);font-weight:800;color:#fff;margin-bottom:12px}
.pg-hero p{color:#b0c8e0;font-size:clamp(14px,2vw,17px);max-width:600px;margin:0 auto 28px}
.pg-hero-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* LAYOUT */
.section{padding:56px 0}
.bg-white{background:#fff}
.container{max-width:1240px;margin:0 auto;padding:0 20px}
.sec-hd{text-align:center;margin-bottom:44px}
.sec-tag{display:inline-block;background:var(--gold-pale);color:var(--gold);font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;padding:4px 14px;border-radius:50px;margin-bottom:10px}
.sec-hd h2{font-family:'Kanit',sans-serif;font-size:clamp(20px,3vw,32px);font-weight:700;color:var(--navy);margin-bottom:8px}
.sec-hd p{color:var(--text-light);max-width:560px;margin:0 auto;font-size:15px}

/* GALLERY */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.gal-item{border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);background:#eee}
.gal-item img{width:100%;height:190px;object-fit:cover;transition:transform .35s}
.gal-item:hover img{transform:scale(1.05)}
.gal-item figcaption{font-size:12px;color:var(--text-light);padding:8px 10px;text-align:center;background:#fff}

/* CHOOSE TIPS */
.choose-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.choose-item{display:flex;gap:16px;background:#fff;border-radius:var(--r);padding:20px;box-shadow:var(--shadow);border:1px solid var(--border)}
.choose-num{font-family:'Kanit',sans-serif;font-size:28px;font-weight:800;color:var(--gold);opacity:.4;flex-shrink:0;line-height:1;min-width:36px}
.choose-body h4{font-family:'Kanit',sans-serif;font-size:15px;font-weight:600;color:var(--navy);margin-bottom:5px}
.choose-body p{font-size:13.5px;color:var(--text-mid);margin:0}

/* PROBLEMS */
.prob-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.prob-item{display:flex;gap:14px;background:var(--off);border-radius:var(--r);padding:18px;border-left:4px solid #e74c3c}
.prob-icon{font-size:22px;flex-shrink:0}
.prob-body h4{font-family:'Kanit',sans-serif;font-size:14.5px;font-weight:600;color:var(--navy);margin-bottom:5px}
.prob-body p{font-size:13.5px;color:var(--text-mid);margin:0}

/* FAQ */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:var(--r);margin-bottom:10px;border:1px solid var(--border);overflow:hidden}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:18px 20px;font-family:'Kanit',sans-serif;font-size:15px;font-weight:600;color:var(--navy);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;transition:background .2s}
.faq-q:hover{background:var(--gold-pale)}
.faq-item.open .faq-q{background:var(--navy);color:#fff}
.faq-arrow{transition:transform .3s;font-size:12px;flex-shrink:0}
.faq-item.open .faq-arrow{transform:rotate(180deg)}
.faq-a{display:none;padding:0 20px 18px;color:var(--text-mid);font-size:14.5px;line-height:1.7}
.faq-item.open .faq-a{display:block}

/* CTA SECTION */
.cta-section{background:linear-gradient(135deg,var(--navy),var(--navy-mid))}
.cta-box{text-align:center;padding:20px 0}
.cta-box h2{font-family:'Kanit',sans-serif;font-size:clamp(20px,3vw,30px);color:#fff;margin-bottom:10px}
.cta-box p{color:#b0c8e0;margin-bottom:28px;font-size:15px}
.cta-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* BUTTONS */
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-light));color:var(--navy);font-weight:700;font-family:'Kanit',sans-serif;padding:12px 26px;border-radius:50px;font-size:15px;transition:all .25s;display:inline-flex;align-items:center;gap:8px;box-shadow:0 4px 16px rgba(201,147,10,.4)}
.btn-gold:hover{transform:translateY(-2px);color:var(--navy)}
.btn-line{background:#06C755;color:#fff;font-weight:700;font-family:'Kanit',sans-serif;padding:12px 26px;border-radius:50px;font-size:15px;display:inline-flex;align-items:center;gap:8px;transition:all .25s}
.btn-line:hover{background:#04a844;color:#fff;transform:translateY(-2px)}
.btn-fb{background:#1877F2;color:#fff;font-weight:700;font-family:'Kanit',sans-serif;padding:12px 26px;border-radius:50px;font-size:15px;display:inline-flex;align-items:center;gap:8px;transition:all .25s}
.btn-fb:hover{background:#1460c0;color:#fff;transform:translateY(-2px)}

/* RELATED LINKS */
.rel-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.rel-link{padding:9px 18px;border-radius:30px;font-size:13.5px;font-weight:600;background:var(--gold-pale);border:1px solid rgba(201,147,10,.3);color:var(--navy);transition:all .2s}
.rel-link:hover{background:var(--navy);color:var(--gold-light)}

/* FOOTER */
.footer{background:linear-gradient(160deg,#07111f 0%,var(--navy) 100%);color:rgba(255,255,255,.75);padding:56px 0 16px;margin-bottom:72px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
.foot-brand{font-family:'Kanit',sans-serif;font-size:20px;font-weight:800;color:var(--gold-light);margin-bottom:10px}
.footer-grid>div p{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:14px}
.footer-grid h4{font-family:'Kanit',sans-serif;color:var(--gold);font-size:13.5px;margin-bottom:12px;border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:7px}
.footer-grid a{display:block;color:rgba(255,255,255,.65);font-size:13px;margin-bottom:7px;transition:color .2s}
.footer-grid a:hover{color:var(--gold-light)}
.foot-contacts{display:flex;flex-direction:column;gap:6px}
.foot-contacts a{color:var(--gold-light)!important;font-size:13.5px!important}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:16px;text-align:center;font-size:12px;color:rgba(255,255,255,.4)}

/* STICKY CTA */
.sticky-cta{position:fixed;bottom:0;left:0;right:0;display:flex;z-index:999;box-shadow:0 -3px 16px rgba(0,0,0,.25)}
.scta-phone,.scta-line,.scta-fb{flex:1;padding:13px 8px;text-align:center;font-weight:700;font-family:'Kanit',sans-serif;font-size:14px;transition:opacity .2s}
.scta-phone:hover,.scta-line:hover,.scta-fb:hover{opacity:.88}
.scta-phone{background:var(--gold);color:var(--navy)}
.scta-line{background:#06C755;color:#fff}
.scta-fb{background:#1877F2;color:#fff}

/* RESPONSIVE */
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:24px}}
@media(max-width:640px){
  .hd-nav a:not(.hd-cta){display:none}
  .footer-grid{grid-template-columns:1fr;gap:20px}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .choose-list,.prob-list{grid-template-columns:1fr}
}