:root{
  --denim:#3F6E8C;   /* น้ำเงินเดนิม (เสื้อ) */
  --sage:#7EA18A;    /* เขียวใบไม้ */
  --sand:#E6D8C3;    /* เบจผนัง */
  --ink:#1F2A37;     /* ข้อความเข้ม */
  --bg:#F6F8F9;      /* พื้นออฟไวท์ */
  --radius:18px; --shadow:0 12px 28px rgba(0,0,0,.08); --max:980px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Sarabun,system-ui,sans-serif;line-height:1.65}
a{color:var(--denim);text-decoration:none}
a:hover{text-decoration:underline}

/* Header / Nav */
.nav{position:sticky;top:0;z-index:10;backdrop-filter:saturate(160%) blur(8px);
     background:rgba(246,248,249,.7);border-bottom:1px solid #e5e7eb}
.nav .wrap{max-width:var(--max);margin:auto;display:flex;gap:10px;align-items:center;justify-content:space-between;padding:10px 16px}
.brand{font-weight:800;color:var(--denim)}
.menu a{padding:8px 10px;border-radius:10px}
.menu a.active,.menu a:hover{background:var(--sand)}

/* Hero */
.hero{background:linear-gradient(135deg,var(--sand),#fff);border-bottom:1px solid #e5e7eb}
.hero .wrap{max-width:var(--max);margin:auto;padding:30px 16px;display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.avatar{width:140px;height:140px;border-radius:50%;object-fit:cover;border:5px solid #fff;box-shadow:var(--shadow)}
.title{margin:0;font-size:2rem;color:var(--denim)}
.role{margin:.2rem 0;font-weight:700;color:var(--sage)}
.bio{color:#475569}

/* Sections */
.section{max-width:var(--max);margin:auto;padding:26px 16px}
.h2{margin:0 0 12px;color:var(--denim);font-size:1.45rem}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{background:#f0f5f3;border:1px solid #d9e6de;color:var(--sage);padding:.45rem .8rem;border-radius:999px;font-weight:700}

.list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.cover{width:100%;height:180px;object-fit:cover;border-radius:14px;border:4px solid #fff;box-shadow:0 6px 16px rgba(0,0,0,.06);background:#eef2f4}

.cta{display:inline-block;padding:.6rem 1rem;border-radius:12px;background:var(--denim);color:#fff;font-weight:800}
.cta.outline{background:#fff;border:1px solid var(--denim);color:var(--denim)}
.cta:hover{filter:brightness(.95);text-decoration:none}

.footer{margin-top:28px;background:linear-gradient(90deg,var(--denim),var(--sage));color:#fff;text-align:center;padding:26px 12px}

/* nice anchor offset */
:target{scroll-margin-top:80px}

#msg input,
#msg textarea {
  width: 100%;
  padding: .7rem;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  margin: .4rem 0;
  font-size: 1rem;
  font-family: inherit;
  resize: none; /* ป้องกันการยืดหด textarea */
  box-sizing: border-box;
}
#msg {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
#msg button {
  align-self: flex-start;
}