:root{--ink:#19334b;--muted:#607487;--green:#176b5b;--green2:#258776;--gold:#f3c969;--cream:#fffaf0;--paper:#fff;--line:#e1ebe7;--rose:#f6e6e5;--blue:#e8f4f8;--shadow:0 16px 42px rgba(29,65,76,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"Leelawadee UI","Tahoma",system-ui,sans-serif;background:#f5f8f5;line-height:1.65}a{color:inherit}img{max-width:100%;display:block}.container{width:min(1160px,calc(100% - 36px));margin:auto}.topbar{background:#123f3a;color:#fff;font-size:.9rem}.topbar .container{display:flex;justify-content:space-between;gap:14px;padding:8px 0;flex-wrap:wrap}.navwrap{background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.nav{display:flex;align-items:center;justify-content:space-between;gap:22px;min-height:76px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:800}.brandmark{width:43px;height:43px;display:grid;place-items:center;border-radius:15px;background:var(--green);color:#fff;font-size:1.4rem;box-shadow:0 6px 14px #176b5b30}.brand small{display:block;font-size:.76rem;color:var(--muted);font-weight:500}.navlinks{display:flex;gap:22px;align-items:center}.navlinks a{text-decoration:none;font-weight:700;font-size:.94rem}.navlinks a:hover,.navlinks a.active{color:var(--green2)}.menu-toggle{display:none;border:1px solid var(--line);background:white;border-radius:12px;padding:9px 12px;font-size:1.2rem}.hero{padding:54px 0 40px;background:radial-gradient(ellipse at 90% 20%,#f4e9c7 0,transparent 30%),linear-gradient(120deg,#eaf5f0,#fffaf0 60%,#eaf4f7);overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;align-items:center;gap:44px}.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid #d8e9df;border-radius:999px;padding:7px 13px;color:var(--green);font-weight:800;font-size:.88rem}.hero h1{font-size:clamp(2.2rem,5vw,4.2rem);line-height:1.16;letter-spacing:-.04em;margin:18px 0 15px}.hero h1 span{color:var(--green)}.hero p{font-size:1.08rem;color:#4f6575;max-width:630px;margin:0 0 24px}.buttons{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:13px;padding:12px 18px;text-decoration:none;font-weight:800;border:1px solid transparent;transition:.2s}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--green);color:white;box-shadow:0 8px 20px #176b5b2b}.btn-light{background:#fff;border-color:#d8e5df}.portrait-frame{max-width:400px;margin:auto;position:relative}.portrait-frame:before{content:"";position:absolute;inset:18px -12px -12px 18px;border-radius:34px;background:var(--gold);transform:rotate(3deg)}.portrait{position:relative;width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center 25%;border-radius:30px;border:8px solid white;box-shadow:var(--shadow)}.floating-note{position:absolute;bottom:24px;left:-25px;background:white;border-radius:17px;padding:13px 17px;box-shadow:var(--shadow);font-weight:800}.floating-note small{display:block;color:var(--muted);font-weight:500}.section{padding:58px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:25px}.section-head h2{font-size:clamp(1.7rem,3vw,2.45rem);line-height:1.2;margin:8px 0}.section-head p{margin:0;color:var(--muted);max-width:620px}.kicker{color:var(--green2);font-weight:900;font-size:.9rem;letter-spacing:.04em}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.card{background:white;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 8px 25px #234b4510;transition:.2s}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.card-image{background:#eef5f1;aspect-ratio:4/3;overflow:hidden}.card-image img{width:100%;height:100%;object-fit:cover;object-position:top center;transition:transform .35s}.card:hover .card-image img{transform:scale(1.025)}.card-body{padding:20px}.tag{display:inline-block;padding:4px 10px;border-radius:999px;background:#e7f4ef;color:var(--green);font-size:.78rem;font-weight:800}.card h3{margin:10px 0 7px;font-size:1.22rem;line-height:1.35}.card p{margin:0 0 16px;color:var(--muted);font-size:.94rem}.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--green);font-weight:900;text-decoration:none}.text-link:hover{text-decoration:underline}.feature-band{background:#164d45;color:#fff;border-radius:28px;padding:30px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}.feature-band h2{font-size:1.8rem;margin:0 0 5px}.feature-band p{margin:0;color:#d6e9e3}.feature-band .btn{background:var(--gold);color:#3f3416}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:28px 0}.statbox{background:white;border:1px solid var(--line);border-radius:17px;padding:18px;text-align:center}.statbox strong{font-size:1.7rem;color:var(--green);display:block}.statbox span{color:var(--muted);font-size:.9rem}.page-hero{padding:42px 0;background:linear-gradient(120deg,#eaf5f0,#fffaf0)}.page-hero h1{margin:8px 0;font-size:clamp(2rem,4vw,3rem)}.page-hero p{margin:0;color:var(--muted)}.crumb{font-size:.9rem;color:var(--muted);margin-bottom:8px}.worksheet-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.worksheet-card .card-image{aspect-ratio:3/4}.worksheet-card .card-image img{object-fit:contain;background:#f7faf8}.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}.preview{background:#fff;border:1px solid var(--line);padding:12px;border-radius:20px;box-shadow:var(--shadow)}.preview img{width:100%;height:auto;border-radius:10px}.sidebox{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;position:sticky;top:100px}.sidebox h3{margin-top:0}.sidebox .btn{width:100%;margin:5px 0}.callout{background:#fff7df;border:1px solid #f2df9e;border-radius:16px;padding:15px;margin:16px 0}.game-preview{background:linear-gradient(135deg,#f1edff,#e8f8f0);border:1px solid #e0d9ff;border-radius:24px;padding:26px;display:grid;grid-template-columns:1fr .8fr;gap:20px;align-items:center}.game-emoji{font-size:6rem;text-align:center}.game-preview h2{margin:0 0 8px}.game-embed{width:100%;height:900px;border:1px solid var(--line);border-radius:20px;background:white}.footer{background:#123f3a;color:#e5f3ee;margin-top:45px;padding:32px 0}.footer-grid{display:flex;justify-content:space-between;gap:22px;flex-wrap:wrap}.footer p{margin:4px 0;color:#bfd7cf}.footer a{color:#fff}.footer small{color:#bfd7cf}.empty-note{background:#fff;border:1px dashed #b7cfc5;padding:20px;border-radius:18px;color:var(--muted)}
@media(max-width:850px){.hero-grid{grid-template-columns:1fr .75fr;gap:25px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.detail-layout{grid-template-columns:1fr}.sidebox{position:static}.game-preview{grid-template-columns:1fr}.game-emoji{font-size:4rem}}
@media(max-width:640px){.container{width:min(100% - 26px,1160px)}.topbar .container{font-size:.78rem}.nav{min-height:66px}.menu-toggle{display:block}.navlinks{display:none;position:absolute;top:66px;left:0;right:0;background:white;padding:15px 20px 20px;border-bottom:1px solid var(--line);box-shadow:0 15px 20px #123f3a10;flex-direction:column;align-items:stretch;gap:0}.navlinks.open{display:flex}.navlinks a{padding:12px 5px;border-bottom:1px solid #edf2ef}.hero{padding:36px 0 32px}.hero-grid{grid-template-columns:1fr}.hero-copy{order:1}.portrait-frame{order:0;max-width:270px;margin:0 auto 6px}.floating-note{left:-10px;bottom:15px}.hero h1{font-size:2.5rem}.hero p{font-size:1rem}.section{padding:42px 0}.section-head{display:block}.cards,.worksheet-grid{grid-template-columns:1fr}.feature-band{grid-template-columns:1fr;padding:24px}.feature-band h2{font-size:1.5rem}.stats{gap:8px}.statbox{padding:12px 6px}.statbox strong{font-size:1.35rem}.game-embed{height:1050px}.page-hero{padding:30px 0}.game-preview{padding:20px}}