:root{
      --teal:#06363f;
      --blue:#3e6688;
      --cyan:#11aae1;
      --ink:#0a1025;
      --muted:#5f6870;
      --light:#e4e4e4;
      --white:#fff;
      --max:1120px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans Thai",system-ui,-apple-system,Segoe UI,sans-serif;color:#111;background:#fff;line-height:1.75}
    img{max-width:100%;display:block}
    a{text-decoration:none;color:inherit}
    button,input,textarea{font:inherit}
    section{scroll-margin-top:92px}

    .container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}

    /* header */
    .site-header{height:96px;position:sticky;top:0;z-index:50;background:var(--teal);box-shadow:0 1px 0 rgba(255,255,255,.08)}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative}
    .brand-bg{position:absolute;inset:0 auto 0 0;width:31vw;min-width:340px;max-width:560px;background:#fff;clip-path:polygon(0 0,100% 0,85% 100%,0 100%);z-index:-1}
    .brand{display:flex;align-items:center;height:100%;padding-left:44px;min-width:250px}
    .brand img{width:190px;height:auto;mix-blend-mode:multiply}
    .nav{display:flex;align-items:center;gap:40px;margin-left:auto;margin-right:38px;font-size:15px;font-weight:600;color:#fff}
    .nav a{opacity:.94;transition:.2s ease}
    .nav a:hover,.nav a.active{opacity:1;color:#d2f6ff}
    .nav .signup-pill{background:#fff;color:#20242a;padding:11px 28px;border-radius:999px;min-width:150px;text-align:center}
    .menu-toggle{display:none;background:transparent;border:0;color:#fff;font-size:30px;cursor:pointer;padding:8px}

    /* hero */
    .hero{min-height:790px;background:url('../images/hero.jpg') center center/cover no-repeat;display:grid;place-items:center;position:relative;isolation:isolate}
    .hero::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.04);z-index:-1}
    .hero-card{width:min(890px,calc(100% - 40px));background:rgba(255,255,255,.83);backdrop-filter:blur(2px);padding:48px 50px 36px;text-align:center;box-shadow:0 10px 35px rgba(0,0,0,.08)}
    .hero-card h1{margin:0 0 24px;font-size:58px;line-height:1.1;color:var(--ink);font-weight:800;letter-spacing:-1px}
    .hero-card p{font-size:19px;line-height:1.8;margin:0 auto 34px;max-width:830px;font-weight:500}
    .primary-btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;background:var(--cyan);color:#fff;padding:12px 42px;min-width:188px;font-weight:700;cursor:pointer;transition:.2s ease}
    .primary-btn:hover{transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 9px 25px rgba(17,170,225,.3)}

    /* activities */
    .activities{padding:90px 0 92px;background:#fff}
    .section-title{text-align:center;font-size:44px;line-height:1.25;margin:0 0 54px;font-weight:800}
    .activity-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;max-width:1050px;margin:auto}
    .activity-card{border-radius:0 0 16px 16px;overflow:hidden;background:#e3e3e3;transition:.25s ease}
    .activity-card:hover{transform:translateY(-5px);box-shadow:0 14px 34px rgba(0,0,0,.12)}
    .activity-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
    .activity-copy{padding:32px 28px 38px;text-align:center;min-height:310px}
    .activity-copy h3{font-size:23px;margin:0 0 12px;font-weight:500}
    .activity-copy p{color:#60666b;margin:0;font-size:16px;line-height:2.05}

    /* about */
    .about{background:var(--blue);color:#fff;padding:86px 0 92px}
    .about-top{display:grid;grid-template-columns:1.3fr .9fr;gap:72px;align-items:start}
    .about h2{font-size:44px;line-height:1.2;margin:8px 0 44px;font-weight:800}
    .about p{font-size:16px;line-height:2.1;margin:0 0 48px;font-weight:600}
    .about-portrait{width:100%;max-width:450px;justify-self:end}
    .about-wide{width:min(806px,100%);margin:8px auto 42px}
    .about-text-wide{max-width:1120px;margin-inline:auto}
    .about-text-wide p{margin-bottom:38px}

    /* demo */
    .demo{padding:84px 0 92px;background:#fff;text-align:center}
    .demo .section-title{margin-bottom:18px}
    .demo-sub{margin:0 0 38px;font-weight:600}
    .game-frame{width:min(890px,100%);aspect-ratio:16/8.6;border:1px solid #bbb;margin:auto;background:#f7f7f7;display:grid;place-items:center;overflow:hidden}
    .game-placeholder{padding:36px;color:#333}
    .game-placeholder strong{display:block;font-size:36px;font-family:Georgia,serif;margin-bottom:8px}
    .game-placeholder small{display:block;color:#666;margin-top:18px}

    /* gallery */
    .gallery{padding:95px 0 115px;background:#fff}
    .gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;max-width:1060px;margin:auto}
    .gallery-item{overflow:hidden;background:#eee;cursor:zoom-in}
    .gallery-item img{width:100%;aspect-ratio:1.42/1;object-fit:cover;transition:.3s ease}
    .gallery-item:hover img{transform:scale(1.035)}

    /* signup / footer */
    .signup{background:#052f3a;color:#fff;padding:60px 0 50px}
    .signup-title{text-align:center;font-size:42px;margin:0 0 48px;font-weight:800}
    .signup-form{width:min(550px,100%);margin:auto}
    .field{margin-bottom:30px}
    .field label{display:block;font-weight:700;margin-bottom:7px}
    .field input,.field textarea{width:100%;border:0;border-bottom:1px solid rgba(255,255,255,.75);background:transparent;color:#fff;padding:9px 2px;outline:none}
    .field textarea{height:70px;resize:vertical}
    .field input:focus,.field textarea:focus{border-color:var(--cyan)}
    .form-actions{text-align:center;margin-top:34px}
    .outline-btn{border:3px solid var(--cyan);background:transparent;color:#fff;border-radius:999px;padding:9px 40px;min-width:185px;cursor:pointer;font-weight:700}
    .outline-btn:hover{background:var(--cyan)}
    .footer-divider{border:0;border-top:1px solid rgba(255,255,255,.55);max-width:1140px;margin:90px auto 55px}
    .footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:64px;align-items:start;max-width:900px;margin:auto}
    .line-btn{display:inline-flex;align-items:center;gap:12px;background:#08c600;color:white;font-size:21px;font-weight:800;padding:13px 32px;border-radius:4px}
    .line-circle{display:inline-grid;place-items:center;background:white;color:#08c600;border-radius:999px;width:42px;height:42px;font-size:13px;font-weight:900}
    .footer-grid h4{margin:0 0 20px;font-size:18px}
    .footer-grid p{margin:0;color:#9fb2b8;line-height:2}
    .copyright{text-align:center;color:#81969d;font-size:13px;margin-top:54px}

    /* lightbox */
    .lightbox{position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:80;display:none;align-items:center;justify-content:center;padding:30px}
    .lightbox.open{display:flex}
    .lightbox img{max-width:min(1100px,95vw);max-height:88vh;box-shadow:0 20px 70px rgba(0,0,0,.4)}
    .lightbox-close{position:absolute;top:18px;right:26px;color:#fff;font-size:42px;background:transparent;border:0;cursor:pointer}

    @media (max-width: 1100px){
      .brand-bg{width:38vw;min-width:300px}
      .brand{padding-left:20px;min-width:220px}
      .nav{gap:22px;margin-right:15px;font-size:14px}
      .about-top{gap:40px}
    }
    @media (max-width: 880px){
      .site-header{height:78px}
      .brand-bg{width:270px;min-width:0}
      .brand img{width:150px}
      .menu-toggle{display:block;margin-right:16px}
      .nav{position:absolute;top:78px;left:0;right:0;margin:0;background:var(--teal);display:none;flex-direction:column;gap:0;padding:12px 22px 22px;box-shadow:0 18px 30px rgba(0,0,0,.15)}
      .nav.open{display:flex}
      .nav a{width:100%;padding:14px 8px;text-align:center;border-bottom:1px solid rgba(255,255,255,.08)}
      .nav .signup-pill{margin-top:10px;width:auto}
      .hero{min-height:650px;background-position:center top}
      .hero-card{padding:38px 24px}
      .hero-card h1{font-size:42px}
      .hero-card p{font-size:17px}
      .section-title,.about h2,.signup-title{font-size:36px}
      .activity-grid{grid-template-columns:1fr;max-width:600px}
      .activity-copy{min-height:auto}
      .about-top{grid-template-columns:1fr}
      .about-portrait{justify-self:center;max-width:520px}
      .gallery-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr;text-align:center;max-width:520px}
    }
    @media (max-width: 560px){
      .container{width:min(100% - 28px,var(--max))}
      .brand-bg{width:225px}
      .brand{padding-left:12px}
      .brand img{width:135px}
      .hero{min-height:590px}
      .hero-card{width:calc(100% - 24px);padding:34px 18px}
      .hero-card h1{font-size:34px}
      .hero-card p{font-size:15px;line-height:1.8}
      .activities,.demo,.gallery{padding-block:64px}
      .section-title,.about h2,.signup-title{font-size:30px}
      .gallery-grid{grid-template-columns:1fr;gap:18px}
      .about{padding-block:64px}
      .about p{font-size:15px;line-height:1.9;margin-bottom:32px}
      .signup{padding-top:45px}
      .footer-divider{margin:65px auto 42px}
      .game-placeholder strong{font-size:28px}
    }

/* WordPress integration */
.admin-bar .site-header{top:32px}
.sot-form-message{width:min(550px,100%);margin:0 auto 28px;padding:12px 16px;border-radius:8px;text-align:center;font-weight:700}
.sot-form-message.success{background:#e8fff0;color:#126c30}
.sot-form-message.error{background:#ffecec;color:#8c2424}
.site-main-default{width:min(1120px,calc(100% - 40px));margin:60px auto}
.site-main-default h1{line-height:1.25}
.site-main-default img{height:auto}
.custom-logo-link{display:flex;align-items:center;height:100%}
.custom-logo-link img{width:190px;height:auto;max-height:72px;object-fit:contain}
.elementor-page-content{min-height:50vh}
@media (max-width:782px){.admin-bar .site-header{top:46px}}
@media (max-width:880px){.custom-logo-link img{width:150px;max-height:58px}}
@media (max-width:560px){.custom-logo-link img{width:135px}}
.nav .menu-list{display:contents;list-style:none;margin:0;padding:0}
.nav .menu-list>li{display:contents}
.gallery-item{border:0;padding:0}
.game-frame iframe{width:100%;height:100%;border:0}