:root{--bg-page:#f2f4ee;--bg-surface:#fbfcf8;--bg-surface-elevated:#e8eee3;--border-subtle:#dbe3d7;--border-strong:#c4d0c2;--text-primary:#18251d;--text-secondary:#4b5b51;--text-muted:#748178;--forest-deep:#10291b;--primary-forest:#173b2a;--primary-forest-hover:#245239;--moss-green:#60795f;--accent-gold:#c58b2a;--accent-gold-soft:#f3ead5;--river-teal:#2a666b;--terrain-line:#33523c24;--grid-line:#24544112;--font-body:"Noto Sans Thai", -apple-system, BlinkMacSystemFont, sans-serif;--font-heading:"Outfit", "Chakra Petch", "Noto Sans Thai", sans-serif;--font-mono:"Chakra Petch", monospace}*,:before,:after{box-sizing:border-box}html,body{font-family:var(--font-body);color:var(--text-primary);background-color:var(--bg-page);-webkit-font-smoothing:antialiased;margin:0;padding:0;line-height:1.7}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--primary-forest);margin-top:0;line-height:1.3}a{color:var(--primary-forest);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{color:var(--accent-gold)}.container{width:100%;max-width:1140px;margin-inline:auto;padding-inline:1.25rem}.site-header{border-bottom:1px solid var(--border-subtle);z-index:50;backdrop-filter:blur(12px);background:#fbfcf8f5;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;height:68px;display:flex}.brand{align-items:center;text-decoration:none;display:inline-flex}.brand-text{flex-direction:column;display:flex}.brand-title{font-family:var(--font-heading);letter-spacing:.025em;color:var(--primary-forest);font-size:1.05rem;font-weight:800;line-height:1.1}.brand-sub{letter-spacing:.12em;color:var(--text-muted);font-size:.68rem;font-weight:600}.desktop-nav{align-items:center;gap:1.5rem;display:flex}.nav-link{color:var(--text-secondary);padding-block:.35rem;font-size:.95rem;font-weight:500;text-decoration:none;transition:color .15s}.nav-link:hover,.nav-link.active{color:var(--primary-forest);box-shadow:0 2px 0 0 var(--accent-gold);font-weight:600}.mobile-menu-toggle{display:none;position:relative}.mobile-menu-toggle summary{cursor:pointer;border:1px solid var(--border-subtle);background:var(--bg-page);border-radius:8px;align-items:center;gap:.35rem;padding:.4rem .75rem;font-size:.88rem;font-weight:600;list-style:none;display:inline-flex}.mobile-menu-toggle summary::-webkit-details-marker{display:none}.mobile-menu-panel{border:1px solid var(--border-subtle);background:#fff;border-radius:12px;flex-direction:column;width:240px;padding:.75rem;display:flex;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 10px 25px #00000014}.mobile-nav-link{color:var(--text-primary);border-radius:6px;padding:.6rem .75rem;font-weight:500;text-decoration:none;display:block}.mobile-nav-link:hover,.mobile-nav-link.active{background:var(--bg-page);color:var(--primary-forest);font-weight:600}.mobile-divider{background:var(--border-subtle);height:1px;margin:.4rem 0}.mobile-nav-sub{color:var(--text-muted);padding:.45rem .75rem;font-size:.85rem;text-decoration:none;display:block}@media (width<=860px){.desktop-nav{display:none}.mobile-menu-toggle{display:block}}.site-footer{background-color:var(--forest-deep);color:#e5ede3;background-image:radial-gradient(circle at 18% 20%,#60795f1a,#0000 28%),repeating-radial-gradient(at 86% 18%,#0000 0 26px,#c4d0c20b 27px 28px,#0000 29px 44px);border-top:1px solid #274432;margin-top:4rem;padding-top:3.5rem;padding-bottom:2rem}.site-footer a{color:#d1ded0;text-decoration:none}.site-footer a:hover{color:#ffd073;text-decoration:underline}.footer-inner{grid-template-columns:1.4fr 2fr;gap:3rem;margin-bottom:3rem;display:grid}@media (width<=860px){.footer-inner{grid-template-columns:1fr;gap:2rem}}.footer-brand{font-family:var(--font-heading);letter-spacing:.02em;color:#fff;align-items:center;gap:.6rem;margin-bottom:1rem;font-size:1.25rem;display:inline-flex}.footer-tagline{color:#c4d3c2;margin:0 0 .8rem;font-size:.92rem;line-height:1.6}.footer-note{color:#92a390;margin:0;font-size:.82rem}.footer-links-grid{grid-template-columns:repeat(3,1fr);gap:1.5rem;display:grid}@media (width<=600px){.footer-links-grid{grid-template-columns:1fr;gap:1.5rem}}.footer-group h3{color:#fff;border-bottom:1px solid #ffffff1f;margin-bottom:.85rem;padding-bottom:.4rem;font-size:.95rem}.footer-group ul{flex-direction:column;gap:.5rem;margin:0;padding:0;list-style:none;display:flex}.footer-group li a{font-size:.88rem}.footer-bottom{color:#8c9d8a;border-top:1px solid #ffffff14;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding-top:1.5rem;font-size:.82rem;display:flex}.footer-bottom p{margin:0}.footer-credit{text-align:right}.footer-credit a{color:#c2d8c0;font-weight:600}@media (width<=640px){.footer-bottom{align-items:flex-start}.footer-credit{text-align:left}}