/* ซี.เค ทรัค — style */
:root{
  --bg:#ffffff;
  --bg-soft:#f5f7fa;
  --ink:#14202e;
  --ink-2:#4a5868;
  --line:#e3e8ee;
  --brand:#0b5d7a;
  --brand-dark:#073f54;
  --accent:#f2a516;
  --radius:14px;
  --max:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Sarabun',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;font-size:17px}
h1,h2,h3,h4{font-family:'Prompt',sans-serif;line-height:1.3;color:var(--ink)}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-family:'Prompt',sans-serif;font-weight:700;font-size:1.3rem;color:var(--ink)}
.logo-mark{width:40px;height:40px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:.95rem;letter-spacing:.5px}
.logo small{display:block;font-size:.72rem;font-weight:400;color:var(--ink-2);margin-top:-4px}
.menu{display:flex;gap:6px;list-style:none}
.menu a{display:block;padding:8px 14px;border-radius:8px;color:var(--ink-2);font-family:'Prompt',sans-serif;font-size:.97rem}
.menu a:hover{background:var(--bg-soft);color:var(--ink)}
.menu a.active{color:var(--brand);background:#e8f2f6;font-weight:500}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;width:44px;height:44px;cursor:pointer;font-size:1.3rem;color:var(--ink)}

/* hero */
.hero{position:relative;min-height:600px;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,30,44,.85) 0%,rgba(7,30,44,.55) 55%,rgba(7,30,44,.2) 100%)}
.hero .container{position:relative}
.hero-content{max-width:640px;padding:80px 0}
.eyebrow{display:inline-block;font-family:'Prompt',sans-serif;font-size:.85rem;letter-spacing:1px;padding:6px 14px;border-radius:999px;background:rgba(242,165,22,.18);color:#ffd27a;border:1px solid rgba(242,165,22,.4);margin-bottom:18px}
.hero h1{color:#fff;font-size:clamp(2rem,4.6vw,3.2rem);margin-bottom:18px}
.hero p{font-size:1.12rem;color:rgba(255,255,255,.9);margin-bottom:30px}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:10px;font-family:'Prompt',sans-serif;font-weight:500;transition:.2s}
.btn-primary{background:var(--accent);color:#1a1205}
.btn-primary:hover{background:#ffb92e}
.btn-ghost{border:1px solid rgba(255,255,255,.6);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-dark)}

/* page hero (inner pages) */
.page-hero{position:relative;padding:110px 0 80px;color:#fff;overflow:hidden}
.page-hero .hero-bg::after{background:linear-gradient(0deg,rgba(7,30,44,.82),rgba(7,30,44,.6))}
.page-hero .container{position:relative}
.page-hero h1{color:#fff;font-size:clamp(1.9rem,4vw,2.8rem);margin-bottom:10px}
.page-hero p{color:rgba(255,255,255,.88);max-width:640px}
.crumb{font-size:.9rem;color:rgba(255,255,255,.75);margin-bottom:12px}
.crumb a{color:#ffd27a}

/* sections */
section{padding:90px 0}
.soft{background:var(--bg-soft)}
.section-head{max-width:720px;margin:0 auto 50px;text-align:center}
.section-head .tag{font-family:'Prompt',sans-serif;color:var(--brand);font-weight:500;font-size:.92rem;letter-spacing:1px}
.section-head h2{font-size:clamp(1.6rem,3vw,2.3rem);margin:8px 0 14px}
.section-head p{color:var(--ink-2)}

/* stats strip */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-top:-60px;position:relative;z-index:5;box-shadow:0 18px 40px rgba(20,32,46,.08)}
.stat{padding:28px 20px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat b{display:block;font-family:'Prompt',sans-serif;font-size:1.8rem;color:var(--brand)}
.stat span{color:var(--ink-2);font-size:.95rem}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split.reverse .split-img{order:2}
.split-img{border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;box-shadow:0 18px 40px rgba(20,32,46,.12)}
.split-img img{width:100%;height:100%;object-fit:cover}
.split h2{font-size:clamp(1.6rem,3vw,2.2rem);margin:8px 0 16px}
.split p{color:var(--ink-2);margin-bottom:14px}
.checks{list-style:none;margin-top:18px}
.checks li{position:relative;padding-left:32px;margin-bottom:10px}
.checks li::before{content:"✓";position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:50%;background:#e8f2f6;color:var(--brand);font-size:.8rem;display:grid;place-items:center;font-weight:700}

/* service cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(20,32,46,.1)}
.card-img{aspect-ratio:16/10;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.card:hover .card-img img{transform:scale(1.05)}
.card-body{padding:24px}
.card-body .num{font-family:'Prompt',sans-serif;color:var(--accent);font-weight:600;font-size:.9rem}
.card-body h3{font-size:1.25rem;margin:6px 0 10px}
.card-body p{color:var(--ink-2);font-size:.98rem}

/* process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px;position:relative}
.step::before{counter-increment:s;content:"0" counter(s);font-family:'Prompt',sans-serif;font-size:2.2rem;font-weight:700;color:#d8e6ec;display:block;margin-bottom:8px}
.step h3{font-size:1.1rem;margin-bottom:8px}
.step p{color:var(--ink-2);font-size:.95rem}

/* features grid */
.features{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.feature{display:flex;gap:18px;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.feature .ico{flex:0 0 52px;height:52px;border-radius:12px;background:#e8f2f6;color:var(--brand);display:grid;place-items:center;font-size:1.5rem}
.feature h3{font-size:1.1rem;margin-bottom:6px}
.feature p{color:var(--ink-2);font-size:.96rem}

/* gallery */
.gallery{display:grid;grid-template-columns:2fr 1fr 1fr;grid-template-rows:240px 240px;gap:14px}
.gallery div{border-radius:var(--radius);overflow:hidden}
.gallery div:first-child{grid-row:span 2}
.gallery img{width:100%;height:100%;object-fit:cover}

/* cta */
.cta{position:relative;border-radius:20px;overflow:hidden;padding:64px 50px;color:#fff;text-align:center}
.cta .hero-bg::after{background:rgba(7,63,84,.86)}
.cta>*{position:relative}
.cta h2{color:#fff;font-size:clamp(1.5rem,3vw,2.2rem);margin-bottom:12px}
.cta p{color:rgba(255,255,255,.88);margin-bottom:26px}
.cta .btns{justify-content:center}

/* timeline / values */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.value{padding:30px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);border-top:4px solid var(--brand)}
.value h3{margin-bottom:8px;font-size:1.2rem}
.value p{color:var(--ink-2)}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.contact-card{display:flex;gap:18px;padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.contact-card .ico{flex:0 0 52px;height:52px;border-radius:12px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:1.4rem}
.contact-card h3{font-size:1.1rem;margin-bottom:4px}
.contact-card p,.contact-card a{color:var(--ink-2)}
.contact-card a:hover{color:var(--brand)}
.map{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);margin-top:40px}
.map iframe{width:100%;height:420px;border:0;display:block}

/* prose (privacy) */
.prose{max-width:820px;margin:0 auto}
.prose h2{font-size:1.4rem;margin:38px 0 12px;padding-top:6px}
.prose h2:first-child{margin-top:0}
.prose p{color:var(--ink-2);margin-bottom:14px}
.prose ul{margin:0 0 16px 22px;color:var(--ink-2)}
.prose li{margin-bottom:6px}
.prose .note{background:var(--bg-soft);border-left:4px solid var(--brand);padding:18px 22px;border-radius:8px;margin-bottom:30px}

/* footer */
.site-footer{background:#0d1a26;color:#c3ccd6;padding:70px 0 0;font-size:.96rem}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.3fr;gap:44px;padding-bottom:50px}
.site-footer h4{color:#fff;font-size:1.05rem;margin-bottom:16px}
.site-footer .logo{color:#fff;margin-bottom:14px}
.site-footer .logo small{color:#8d9aa8}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:8px}
.site-footer a{color:#c3ccd6}
.site-footer a:hover{color:var(--accent)}
.copy{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;text-align:center;font-size:.9rem;color:#8d9aa8}

/* responsive */
@media (max-width:960px){
  .cards,.values{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:34px}
  .split.reverse .split-img{order:0}
  .foot-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
@media (max-width:760px){
  body{font-size:16px}
  section{padding:64px 0}
  .menu-btn{display:block}
  .menu{display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:10px 16px 16px}
  .menu.open{display:flex}
  .cards,.values,.features,.contact-grid,.steps{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr;grid-template-rows:200px 160px 160px}
  .gallery div:first-child{grid-column:span 2;grid-row:auto}
  .foot-grid{grid-template-columns:1fr}
  .hero{min-height:520px}
  .cta{padding:44px 22px}
  .container{padding:0 16px}
}