/* Sports Science - Static Responsive Site (Newspaper-style Light Theme) */
:root{
  --bg:#f5f7fd; --card:#ffffff; --muted:#7a86a0;
  --text:#1a2440; --navy:#141b34; --light:#ffffff; --soft:#eef2fa;
  --primary:#3b6ef6; --primary2:#2f5ce0; --accent:#f5a623;
  --radius:16px; --max:1140px;
  --shadow:0 10px 34px rgba(20,27,52,.08); --shadow-sm:0 4px 16px rgba(20,27,52,.06);
  --border:#e6eaf5;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Leelawadee,Tahoma,"Segoe UI",system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg);line-height:1.7}
img{max-width:100%;display:block}
a{color:inherit}
.container{width:min(var(--max),92%);margin:0 auto}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px 12px;z-index:99;border-radius:8px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);color:var(--text);border-bottom:1px solid var(--border)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:.7rem 0;gap:1rem}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;font-weight:800;font-size:1.05rem;color:var(--navy)}
.brand-mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--primary),#5b8bff);display:grid;place-items:center;font-size:1.2rem;color:#fff}
.brand small{display:block;font-weight:400;font-size:.72rem;color:var(--muted);line-height:1.2}
.nav{display:flex;gap:.25rem;align-items:center}
.nav a{text-decoration:none;padding:.55rem .85rem;border-radius:999px;color:#4a5878;font-size:.95rem}
.nav a:hover{background:var(--soft);color:var(--primary)}
.nav a.active{background:var(--primary);color:#fff}
.nav-toggle{display:none;background:#fff;border:1px solid var(--border);border-radius:10px;width:44px;height:44px;font-size:1.3rem;cursor:pointer;color:var(--navy)}

/* Hero */
.hero{background:radial-gradient(700px 380px at 8% 0%,#e4ecff 0%,transparent 60%),radial-gradient(600px 320px at 95% 15%,#eaf1ff 0%,transparent 55%),#fff;color:var(--navy);padding:3.4rem 0 2.6rem;border-bottom:1px solid var(--border)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:2rem;align-items:center}
.eyebrow{display:inline-block;background:var(--soft);color:var(--primary);padding:.32rem .85rem;border-radius:999px;font-size:.82rem;font-weight:700}
.hero h1{font-size:clamp(1.8rem,4vw,2.9rem);line-height:1.2;margin:.9rem 0;color:var(--navy)}
.hero p.lead{color:var(--muted);font-size:1.08rem}
.btn-row{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.2rem}
.btn{display:inline-block;text-decoration:none;border-radius:999px;padding:.78rem 1.4rem;font-weight:700;border:1px solid transparent;cursor:pointer;transition:all .18s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary2);transform:translateY(-1px)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--primary)}
.btn-ghost:hover{background:var(--soft)}
.hero-card{background:#fff;color:var(--text);border-radius:var(--radius);padding:1.4rem;box-shadow:var(--shadow);border:1px solid var(--border)}
.hero-card h3{margin:.2rem 0 .6rem;color:var(--navy)}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:.7rem;margin-top:1rem}
.stat{background:var(--soft);border-radius:12px;padding:.8rem;text-align:center}
.stat b{display:block;font-size:1.25rem;color:var(--primary)}
.stat span{font-size:.82rem;color:var(--muted)}

/* Stars + rating */
.stars{color:var(--accent);letter-spacing:2px;font-size:1rem}
.rating-note{font-size:.85rem;color:var(--muted)}

/* Sections */
.section{padding:2.8rem 0}
.section h2{font-size:clamp(1.3rem,3vw,1.95rem);margin:0 0 .4rem;color:var(--navy)}
.section .sub{color:var(--muted);margin:0 0 1.4rem}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.card{background:var(--card);border-radius:var(--radius);padding:1.3rem;box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:all .18s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.card .icon{font-size:1.7rem}
.card h3{margin:.5rem 0;color:var(--navy)}
.card p,.card li{font-size:.95rem;color:#4a5878}
.tag{display:inline-block;font-size:.75rem;background:var(--soft);color:var(--primary);border-radius:999px;padding:.2rem .7rem;margin:.15rem .15rem 0 0}
.list-check{padding-left:1.1rem;margin:.6rem 0}
.page-hero{background:linear-gradient(120deg,#eaf1ff,#f6f9ff);color:var(--navy);padding:2.2rem 0;border-bottom:1px solid var(--border)}
.page-hero p{color:var(--muted);margin:.3rem 0 0}
.breadcrumb{font-size:.85rem;color:var(--muted)}
.breadcrumb a{color:var(--primary)}

/* Logo strip */
.logo-strip{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:1.2rem 0}
.logo-strip .lbl{text-align:center;color:var(--muted);font-size:.82rem;margin-bottom:.9rem}
.logo-row{display:flex;flex-wrap:wrap;gap:1.2rem;justify-content:center;align-items:center}
.logo-row span{font-weight:800;color:#9aa6bf;font-size:1.05rem;letter-spacing:.5px}

/* CTA banner */
.cta-banner{background:linear-gradient(120deg,var(--primary),#5b8bff);border-radius:22px;padding:1.8rem;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:1.2rem;flex-wrap:wrap;box-shadow:var(--shadow)}
.cta-banner h3{margin:0 0 .3rem;font-size:1.4rem}
.cta-banner p{margin:0;opacity:.92}
.btn-white{background:#fff;color:var(--primary)}

/* Testimonials */
.avatar{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#5b8bff);color:#fff;display:grid;place-items:center;font-weight:800;font-size:1.1rem;margin-right:.7rem;flex-shrink:0}
.t-row{display:flex;align-items:center;margin-bottom:.4rem}
.t-row .who b{display:block}
.t-row .who span{font-size:.82rem;color:var(--muted)}

/* Articles */
.filter-row{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}
.chip{border:1px solid var(--border);background:#fff;border-radius:999px;padding:.5rem 1rem;cursor:pointer;font-size:.9rem;color:#4a5878}
.chip:hover{border-color:var(--primary);color:var(--primary)}
.chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.article-card img,.thumb{border-radius:10px;background:linear-gradient(135deg,#e4ecff,#eaf1ff);aspect-ratio:16/9;display:grid;place-items:center;font-size:2.2rem}

/* Form / contact */
.form-card{background:#fff;border-radius:var(--radius);padding:1.4rem;box-shadow:var(--shadow-sm);border:1px solid var(--border)}
label{display:block;font-weight:600;margin:.8rem 0 .3rem;color:var(--navy)}
input,select,textarea{width:100%;padding:.7rem .8rem;border-radius:10px;border:1px solid var(--border);font:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);border-color:var(--primary)}
.form-note{font-size:.85rem;color:var(--muted)}
.success{display:none;background:var(--soft);border:1px solid #c6d6ff;color:var(--primary);border-radius:10px;padding:.7rem .9rem;margin-top:.8rem}
.contact-info{display:grid;gap:.8rem}

/* Footer */
footer{background:var(--navy);color:#c3cdE2;padding:2.4rem 0 1.2rem;margin-top:2rem}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:1.2rem}
footer a{color:#c3cde2;text-decoration:none;font-size:.93rem}
footer a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:1.2rem;padding-top:.9rem;font-size:.85rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem}

/* Responsive */
@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav{position:fixed;inset:64px 12px auto 12px;background:#fff;border:1px solid var(--border);border-radius:14px;padding:.6rem;display:none;flex-direction:column;box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav a{padding:.8rem .9rem}
  .nav-toggle{display:block}
  .cta-banner{flex-direction:column;text-align:center}
}
@media(max-width:560px){
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr 1fr}
  .section{padding:2rem 0}
  .foot-grid{grid-template-columns:1fr}
  .btn{width:100%;text-align:center}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}