*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Prompt','Sarabun',sans-serif;color:#1a1a1a;background:#fafafa;line-height:1.7}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* Header */
.header{background:#0a0a0a;color:#fff;position:sticky;top:0;z-index:100;box-shadow:0 2px 10px rgba(0,0,0,.3)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;max-width:1200px;margin:0 auto}
.logo{font-size:1.5rem;font-weight:700;letter-spacing:2px;color:#e30613}
.logo span{color:#fff}
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{font-weight:500;transition:color .2s;font-size:.95rem}
.nav-links a:hover,.nav-links a.active{color:#e30613}
.menu-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* Hero */
.hero{position:relative;height:80vh;min-height:500px;background:linear-gradient(rgba(0,0,0,.55),rgba(0,0,0,.75)),url('https://images.unsplash.com/photo-1568772585407-9361f9bf3a87?w=1600') center/cover;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff}
.hero-content h1{font-size:3.5rem;font-weight:800;margin-bottom:20px;text-shadow:2px 2px 8px rgba(0,0,0,.5)}
.hero-content p{font-size:1.3rem;margin-bottom:30px;max-width:700px;margin-left:auto;margin-right:auto}
.btn{display:inline-block;padding:14px 36px;background:#e30613;color:#fff;font-weight:600;border-radius:4px;transition:all .3s;border:2px solid #e30613;cursor:pointer}
.btn:hover{background:transparent;color:#fff}
.btn-outline{background:transparent}
.btn-outline:hover{background:#e30613}

/* Sections */
section{padding:80px 0}
.section-title{text-align:center;margin-bottom:50px}
.section-title h2{font-size:2.5rem;font-weight:700;margin-bottom:15px;color:#0a0a0a}
.section-title .divider{width:70px;height:4px;background:#e30613;margin:0 auto 15px}
.section-title p{color:#666;font-size:1.1rem;max-width:700px;margin:0 auto}

/* Grid */
.grid{display:grid;gap:30px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* Card */
.card{background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 5px 20px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-8px);box-shadow:0 15px 35px rgba(0,0,0,.15)}
.card img{width:100%;height:240px;object-fit:cover}
.card-body{padding:24px}
.card-body h3{font-size:1.3rem;margin-bottom:10px;color:#0a0a0a}
.card-body p{color:#666;margin-bottom:15px}
.card-tag{display:inline-block;padding:4px 12px;background:#e30613;color:#fff;font-size:.8rem;border-radius:20px;margin-bottom:12px}

/* Text blocks */
.text-block{max-width:900px;margin:0 auto}
.text-block h3{font-size:1.8rem;margin:35px 0 15px;color:#0a0a0a;border-left:5px solid #e30613;padding-left:15px}
.text-block p{margin-bottom:18px;color:#333;font-size:1.05rem;text-align:justify}
.text-block ul{margin:15px 0 20px 25px;color:#333}
.text-block li{margin-bottom:8px}

/* About / Alt sections */
.bg-alt{background:#fff}
.bg-dark{background:#0a0a0a;color:#fff}
.bg-dark .section-title h2{color:#fff}

/* Features */
.feature{text-align:center;padding:30px 20px}
.feature-icon{width:70px;height:70px;background:#e30613;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.8rem;margin:0 auto 20px}
.feature h4{font-size:1.2rem;margin-bottom:10px}
.feature p{color:#666;font-size:.95rem}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.gallery img{height:200px;object-fit:cover;border-radius:6px;transition:transform .3s}
.gallery img:hover{transform:scale(1.05)}

/* CTA */
.cta{background:linear-gradient(rgba(227,6,19,.9),rgba(227,6,19,.9)),url('https://images.unsplash.com/photo-1558981806-ec527fa84c39?w=1600') center/cover;color:#fff;text-align:center;padding:80px 20px}
.cta h2{font-size:2.5rem;margin-bottom:15px}
.cta p{font-size:1.2rem;margin-bottom:30px}
.cta .btn{background:#fff;color:#e30613;border-color:#fff}
.cta .btn:hover{background:transparent;color:#fff}

/* Footer */
.footer{background:#0a0a0a;color:#ccc;padding:60px 20px 20px}
.footer-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px}
.footer h4{color:#fff;margin-bottom:18px;font-size:1.1rem}
.footer a{color:#ccc;display:block;padding:5px 0;transition:color .2s}
.footer a:hover{color:#e30613}
.footer p{color:#999;font-size:.95rem;margin-bottom:8px}
.footer-bottom{border-top:1px solid #333;margin-top:40px;padding-top:20px;text-align:center;color:#777;max-width:1200px;margin-left:auto;margin-right:auto}

/* Contact */
.contact-info{background:#fff;padding:35px;border-radius:8px;box-shadow:0 5px 20px rgba(0,0,0,.08)}
.contact-info h3{color:#e30613;margin-bottom:20px}
.contact-info p{margin-bottom:12px;display:flex;gap:10px;align-items:flex-start}
.contact-info strong{color:#0a0a0a;min-width:100px}
.map-wrap{border-radius:8px;overflow:hidden;box-shadow:0 5px 20px rgba(0,0,0,.08);height:100%;min-height:400px}
.map-wrap iframe{width:100%;height:100%;border:0}

/* Form */
.form-group{margin-bottom:18px}
.form-group label{display:block;margin-bottom:6px;font-weight:500}
.form-group input,.form-group textarea{width:100%;padding:12px;border:1px solid #ddd;border-radius:4px;font-family:inherit;font-size:1rem}
.form-group textarea{min-height:120px;resize:vertical}

/* Page banner */
.page-banner{background:linear-gradient(rgba(0,0,0,.6),rgba(0,0,0,.7)),url('https://images.unsplash.com/photo-1449426468159-d96dbf08f19f?w=1600') center/cover;color:#fff;padding:100px 20px;text-align:center}
.page-banner h1{font-size:3rem;margin-bottom:10px}
.page-banner p{font-size:1.1rem;opacity:.9}

/* Responsive */
@media (max-width:900px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-content h1{font-size:2.2rem}
  .hero-content p{font-size:1rem}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#0a0a0a;flex-direction:column;padding:20px;gap:15px}
  .nav-links.open{display:flex}
  .menu-toggle{display:block}
  .grid-2{grid-template-columns:1fr}
  section{padding:50px 0}
}