:root{--bg:#0a0e14;--bg2:#0f141c;--panel:#141a24;--line:#1f2735;--text:#eef2f7;--muted:#9aa6b8;--brand:#00d4ff;--brand2:#4f8cff;--accent:#ffd166}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'IBM Plex Sans Thai','Sukhumvit Set',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,14,20,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:.5px;color:#fff}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--brand);box-shadow:0 0 16px var(--brand)}
.nav-links{display:flex;gap:6px;list-style:none;align-items:center;flex-wrap:wrap}
.nav-links a{color:var(--muted);font-weight:500;padding:8px 14px;border-radius:8px;font-size:15px;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:#fff;background:var(--panel)}
.nav-cta{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#001220 !important;font-weight:700}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:#fff;padding:8px 12px;border-radius:8px;cursor:pointer}
@media(max-width:900px){
 .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:var(--bg2);flex-direction:column;padding:16px;border-bottom:1px solid var(--line)}
 .nav-links.open{display:flex}
 .nav-links a{width:100%}
 .menu-btn{display:block}
}

/* Hero */
.hero{position:relative;min-height:560px;display:flex;align-items:center;overflow:hidden;background:radial-gradient(1000px 500px at 70% 30%,rgba(0,212,255,.15),transparent),linear-gradient(180deg,#070a10,#0a0e14)}
.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center;padding:80px 0}
.hero h1{font-size:clamp(32px,5vw,56px);line-height:1.15;font-weight:800;letter-spacing:-.5px;margin-bottom:20px}
.hero h1 .grad{background:linear-gradient(135deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:var(--muted);font-size:18px;margin-bottom:28px;max-width:560px}
.hero-img{border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:0 30px 80px rgba(0,212,255,.15)}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;padding:50px 0}}

.btn{display:inline-block;padding:14px 26px;border-radius:10px;font-weight:700;font-size:15px;transition:.2s;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#001220}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,212,255,.4)}
.btn-ghost{background:transparent;color:#fff;border:1px solid var(--line);margin-left:10px}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}

/* Sections */
section{padding:80px 0}
.eyebrow{color:var(--brand);font-weight:700;text-transform:uppercase;letter-spacing:2px;font-size:13px;margin-bottom:12px}
.section-title{font-size:clamp(28px,4vw,40px);font-weight:800;line-height:1.2;margin-bottom:16px}
.section-sub{color:var(--muted);max-width:680px;margin-bottom:48px}
.section-head{text-align:center;margin-bottom:48px}
.section-head .section-sub{margin-left:auto;margin-right:auto}

/* Grid cards */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){.grid-3,.grid-2{grid-template-columns:1fr}}

.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.25s}
.card:hover{transform:translateY(-4px);border-color:rgba(0,212,255,.4);box-shadow:0 20px 40px rgba(0,0,0,.4)}
.card-img{aspect-ratio:4/3;overflow:hidden;background:#0a0e14}
.card-img img{width:100%;height:100%;object-fit:cover}
.card-body{padding:22px}
.card h3{font-size:19px;margin-bottom:8px;color:#fff}
.card p{color:var(--muted);font-size:15px}
.tag{display:inline-block;background:rgba(0,212,255,.12);color:var(--brand);padding:4px 10px;border-radius:20px;font-size:12px;font-weight:600;margin-bottom:10px}
.price{color:var(--accent);font-weight:800;font-size:18px;margin-top:10px}

/* Feature row */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature{padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:14px}
.feature .ic{width:42px;height:42px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:flex;align-items:center;justify-content:center;color:#001220;font-weight:800;margin-bottom:14px}
.feature h4{font-size:16px;margin-bottom:6px;color:#fff}
.feature p{color:var(--muted);font-size:14px}
@media(max-width:900px){.features{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.features{grid-template-columns:1fr}}

/* Page header */
.page-header{padding:80px 0 40px;background:radial-gradient(800px 400px at 50% 0,rgba(0,212,255,.12),transparent);text-align:center;border-bottom:1px solid var(--line)}
.page-header h1{font-size:clamp(32px,5vw,48px);font-weight:800;margin-bottom:12px}
.page-header p{color:var(--muted);max-width:640px;margin:0 auto}

/* Article / legal content */
.prose{max-width:820px;margin:0 auto;color:#cdd6e3}
.prose h2{color:#fff;font-size:24px;margin:36px 0 12px;font-weight:700}
.prose h3{color:#fff;font-size:18px;margin:24px 0 8px;font-weight:700}
.prose p{margin-bottom:14px}
.prose ul,.prose ol{margin:0 0 16px 22px}
.prose li{margin-bottom:6px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}}
.contact-info{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:32px}
.contact-info .row{display:flex;gap:14px;margin-bottom:18px;align-items:flex-start}
.contact-info .ic{flex-shrink:0;width:40px;height:40px;border-radius:10px;background:rgba(0,212,255,.12);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800}
.contact-info .label{font-size:13px;color:var(--muted)}
.contact-info .val{color:#fff;font-weight:600}
.form{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:32px}
.form label{display:block;font-size:14px;color:var(--muted);margin-bottom:6px;margin-top:14px}
.form input,.form textarea{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:10px;color:#fff;padding:12px 14px;font:inherit}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--brand)}
.form textarea{min-height:120px;resize:vertical}
.form button{margin-top:20px;width:100%}

/* CTA */
.cta-band{background:linear-gradient(135deg,rgba(0,212,255,.12),rgba(79,140,255,.12));border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:60px 0;text-align:center}
.cta-band h2{font-size:30px;margin-bottom:12px}
.cta-band p{color:var(--muted);margin-bottom:24px}

/* Footer */
footer{background:#06090e;border-top:1px solid var(--line);padding:60px 0 24px;color:var(--muted);font-size:14px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:40px}
@media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}
footer h5{color:#fff;font-size:14px;margin-bottom:14px;text-transform:uppercase;letter-spacing:1px}
footer ul{list-style:none}
footer ul li{margin-bottom:8px}
footer a{color:var(--muted)}
footer a:hover{color:var(--brand)}
.copyright{border-top:1px solid var(--line);padding-top:20px;text-align:center;font-size:13px}