/* ===== ครุจิต — base.css ===== */
/* CSS ที่ใช้ร่วมกันทุกหน้า: ตัวแปรสี, reset, ปุ่ม, header/nav, reveal animation */
/* ย้ายมาจากส่วนที่ซ้ำกันในทุกไฟล์ .html เดิม เพื่อแก้ครั้งเดียวมีผลทุกหน้า */

:root{
  --ink:#1A2B45;
  --ink-soft:#5B6472;
  --paper:#FBF7EF;
  --paper-deep:#F0E9D8;
  --gold:#B6883A;
  --gold-soft:#ECDFC2;
  --lacquer:#7C2E28;
  --lacquer-soft:#F4E2DE;
  --moss:#3E5B45;
  --moss-soft:#E2E9DF;
  --line: rgba(26,43,69,0.13);
  --radius: 16px;
  --shadow: 0 22px 48px -26px rgba(26,43,69,0.45);
  --serif: "Noto Serif Thai","Noto Serif",serif;
  --body: "Sarabun",system-ui,-apple-system,sans-serif;
  --utility: "Mitr",system-ui,sans-serif;
  --maxw: 1180px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:16.5px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);margin:0;font-weight:600;letter-spacing:.2px;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img,svg{display:block;max-width:100%;}
ul{margin:0;padding:0;list-style:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}

.eyebrow{
  font-family:var(--utility);
  font-size:13px;
  letter-spacing:.14em;
  color:var(--lacquer);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);display:inline-block;}

.btn{
  font-family:var(--utility);
  font-size:14.5px;
  font-weight:600;
  letter-spacing:.02em;
  padding:14px 26px;
  border-radius:999px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
  cursor:pointer;
  border:1.5px solid transparent;
}
.btn-primary{background:var(--lacquer);color:#fff;box-shadow:0 14px 28px -14px rgba(124,46,40,.55);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(124,46,40,.6);}
.btn-ghost{border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.btn-light{border-color:rgba(251,247,239,.55);color:var(--paper);}
.btn-light:hover{background:var(--paper);color:var(--ink);}

/* skip link */
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:999;}
.skip:focus{left:8px;top:8px;}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;}

/* NAV */
header.site{
  position:sticky;top:0;z-index:100;
  background:rgba(251,247,239,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease, box-shadow .3s ease;
}
header.site.scrolled{border-color:var(--line);box-shadow:0 8px 24px -20px rgba(26,43,69,.4);}
nav.bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 28px;max-width:var(--maxw);margin:0 auto;gap:16px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand svg{width:40px;height:40px;flex-shrink:0;}
.brand .brand-logo{width:44px;height:44px;flex-shrink:0;border-radius:50%;object-fit:cover;}
.brand .name{font-family:var(--serif);font-weight:700;font-size:21px;color:var(--ink);}
.brand .tag{display:block;font-family:var(--utility);font-size:10.5px;letter-spacing:.12em;color:var(--ink-soft);font-weight:500;}
.navlinks{display:flex;align-items:center;gap:18px;font-family:var(--utility);font-size:13.5px;font-weight:500;flex-wrap:wrap;}
.navlinks a{position:relative;padding:4px 0;color:var(--ink);white-space:nowrap;}
.navlinks a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--gold);transition:width .25s ease;}
.navlinks a:hover::after{width:100%;}
.navlinks a.active{color:var(--lacquer);}
.navlinks a.nav-search{display:inline-flex;align-items:center;color:var(--ink-soft);padding:4px;}
.navlinks a.nav-search:hover{color:var(--lacquer);}
.navlinks a.nav-search::after{display:none;}
.navcta{display:flex;align-items:center;gap:18px;}
.menubtn{display:none;background:none;border:none;cursor:pointer;padding:6px;}
.menubtn span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.25s;}

/* SECTION generic */
.section-deep{background:var(--paper-deep);}

/* reveal animation */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease;}
.reveal.is-visible{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

@media (max-width:980px){
  .navlinks{display:none;}
  .menubtn{display:block;}
}