/* ============================================================
   EKSIAM DESIGN SYSTEM v2 — Boutique Oxblood (editorial)
   5 มิ.ย. 2026 | บริษัท เอกสยาม แท็กซ์ แอนด์ ลีกัล คอนซัลแทนซี่ จำกัด
   แนวทาง: หรูแบบบูทีค editorial — แดงเลือดหมู + เบจ + ทอง
   ตัวอักษรใหญ่ พื้นที่ว่างเยอะ สุขุม | responsive ทุกจอ
   ============================================================ */

:root{
  /* สี — Oxblood (แดงเลือดหมู) */
  --oxblood:#6c2d35; --oxblood-deep:#592430; --wine:#874a50;
  /* สี — Beige/Cream (เบจ/ครีม พื้นหลัง) */
  --beige:#f3ede2; --beige-soft:#ece3d4; --paper:#faf6ee; --line:#e0d5c2;
  /* สี — Taupe + Gold */
  --taupe:#b9a890; --gold:#b08d57; --gold-deep:#946f3b; --gold-soft:#cdb079;
  /* สี — Ink (ตัวอักษร โทนน้ำตาลอุ่น) */
  --ink:#33222a; --ink-soft:#5a474e; --ink-mute:#8c7b7f;
  --on-dark:#ece2d8; --on-dark-mute:#cbbcb1; --on-dark-strong:#f3ece1;

  /* ฟอนต์ — Latin serif + Thai serif headline + Thai sans body */
  --display:'Cormorant Garamond','Noto Serif Thai',Georgia,serif;
  --display-th:'Noto Serif Thai','Cormorant Garamond',serif;
  --body:'IBM Plex Sans Thai',system-ui,-apple-system,sans-serif;

  --maxw:1160px; --maxw-text:680px;
  --gutter:clamp(1.4rem,6vw,5rem);
  --focus:0 0 0 3px rgba(176,141,87,.5);

  /* type scale — editorial (ใหญ่ มั่นใจ) */
  --fs-hero:clamp(1.9rem,3.6vw,3.2rem);
  --fs-h2:clamp(1.5rem,2.6vw,2.2rem);
  --fs-h3:clamp(1.2rem,1.6vw,1.4rem);
  --fs-body:clamp(1.02rem,.4vw + .92rem,1.12rem);
  --fs-lede:clamp(1.1rem,.5vw + 1rem,1.3rem);
  --fs-eyebrow:.8rem;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--body);font-size:var(--fs-body);font-weight:300;
  line-height:1.85;color:var(--ink-soft);background:var(--beige);
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{max-width:100%;height:auto;display:block}

h1,h2,h3,h4{font-family:var(--display);color:var(--oxblood);font-weight:500;
  line-height:1.32;letter-spacing:0;margin:0 0 .5em}
h1{font-size:var(--fs-hero);font-weight:500;line-height:1.28;text-wrap:balance}
h2{font-size:var(--fs-h2)}
h3{font-size:var(--fs-h3);font-weight:500}
.h-th{font-family:var(--display-th)} /* บังคับ Thai serif เมื่อต้องการ */
p{margin:0 0 1.2em;max-width:var(--maxw-text)}
em,.it{font-style:italic;color:var(--gold-deep)}
a{color:var(--oxblood);text-underline-offset:4px;text-decoration-color:var(--taupe)}
a:hover{color:var(--gold-deep)}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:2px}
strong{color:var(--ink);font-weight:500}
::selection{background:var(--gold-soft);color:var(--oxblood-deep)}

/* layout */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.block{padding-block:clamp(3.2rem,6.5vw,5.8rem)}
.block-sm{padding-block:clamp(2.5rem,6vw,4.5rem)}
.sec-beige{background:var(--beige)}
.sec-soft{background:var(--beige-soft)}
.sec-paper{background:var(--paper)}
.sec-oxblood{background:var(--oxblood);color:var(--on-dark)}
.sec-oxblood h1,.sec-oxblood h2,.sec-oxblood h3{color:var(--on-dark-strong)}
.sec-oxblood p{color:var(--on-dark)}
.sec-oxblood em{color:var(--gold-soft)}
.lede{font-family:var(--body);font-size:var(--fs-lede);font-weight:400;
  line-height:1.7;color:var(--ink);max-width:42ch}

/* eyebrow + thin rule (editorial) */
.eyebrow{font-family:var(--display);font-style:italic;font-size:var(--fs-eyebrow);
  letter-spacing:.22em;text-transform:uppercase;color:var(--gold-deep);
  display:inline-flex;align-items:center;gap:1rem;margin-bottom:1.8rem}
.eyebrow::before{content:'';width:42px;height:1px;background:var(--gold)}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(245,239,229,.9);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;
  max-width:var(--maxw);margin-inline:auto;padding:1.1rem var(--gutter)}
.brand{display:flex;align-items:center;gap:.75rem;text-decoration:none}
.brand svg{width:30px;height:30px;flex:0 0 30px}
.brand .wm{font-family:var(--display);font-size:1.35rem;font-weight:600;
  letter-spacing:.16em;color:var(--oxblood)}
.nav-links{display:flex;gap:2.2rem;align-items:center;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--ink);text-decoration:none;font-size:.92rem;letter-spacing:.02em}
.nav-links a:hover{color:var(--gold-deep)}
.nav-cta{font-family:var(--display)!important;font-style:italic;color:var(--oxblood)!important;
  border-bottom:1px solid var(--gold)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:2px;
  padding:.5rem .65rem;cursor:pointer;color:var(--oxblood);font-size:1rem}

/* buttons (restrained, editorial) */
.btn{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--body);font-weight:400;
  font-size:.95rem;letter-spacing:.03em;padding:1rem 2.2rem;text-decoration:none;
  border:1px solid transparent;border-radius:2px;cursor:pointer;transition:all .25s;min-height:46px}
.btn-primary{background:var(--oxblood);color:var(--beige);border-color:var(--oxblood)}
.btn-primary:hover{background:var(--oxblood-deep);color:#fff}
.btn-ghost{background:transparent;color:var(--oxblood);border-color:var(--taupe)}
.btn-ghost:hover{border-color:var(--oxblood);color:var(--oxblood)}
.btn-gold{background:var(--gold);color:#fff;border-color:var(--gold)}
.btn-gold:hover{background:var(--gold-deep)}
.btn-line{background:#06c755;color:#fff;border-color:#06c755}
.btn-line:hover{background:#05ad4b;color:#fff}
.txtlink{font-family:var(--display);font-style:italic;font-size:1.05rem;text-decoration:none;
  color:var(--oxblood);border-bottom:1px solid var(--gold);padding-bottom:3px}
.txtlink:hover{color:var(--gold-deep)}

/* hero */
.hero{display:grid;grid-template-columns:1.45fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.hero-aside{background:var(--paper);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:3px;padding:clamp(1.7rem,3vw,2.4rem)}
.hero-statement{font-family:var(--display);font-style:italic;font-size:1.3rem;
  line-height:1.6;color:var(--oxblood)}

/* meta strip (no 'free', no reviews) */
.meta-row{display:flex;flex-wrap:wrap;justify-content:center;gap:clamp(1.5rem,5vw,4rem);
  padding-block:1.5rem;border-block:1px solid var(--line)}
.meta-row .m{display:flex;flex-direction:column;gap:.15rem}
.meta-row .m b{font-family:var(--display);font-size:2rem;font-weight:500;color:var(--oxblood);line-height:1}
.meta-row .m span{font-size:.82rem;letter-spacing:.05em;color:var(--ink-mute)}

/* practice index (editorial list, not boxy) */
.idx{border-top:1px solid var(--line)}
.idx a{display:grid;grid-template-columns:auto 1fr auto;gap:1.5rem;align-items:baseline;
  padding:clamp(1.4rem,3vw,2.2rem) 0;border-bottom:1px solid var(--line);
  text-decoration:none;color:var(--ink);transition:padding .25s,color .25s}
.idx a:hover{padding-left:1rem;color:var(--oxblood)}
.idx .n{font-family:var(--display);font-style:italic;font-size:1.1rem;color:var(--gold)}
.idx .t{font-family:var(--display);font-size:clamp(1.25rem,2vw,1.7rem);font-weight:500;color:var(--oxblood);line-height:1.35}
.idx .d{font-size:.95rem;color:var(--ink-mute);max-width:40ch}
.idx .ar{font-family:var(--display);font-style:italic;color:var(--gold-deep);justify-self:end}

/* audience two columns */
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,6vw,5rem)}
.two .col h3{padding-bottom:1rem;border-bottom:1px solid var(--line);margin-bottom:1.2rem}
.two ul{list-style:none;margin:0;padding:0}
.two li{padding:.55rem 0;border-bottom:1px solid var(--line);font-size:1rem;color:var(--ink-soft)}

/* insights (magazine list) */
.insight{display:grid;grid-template-columns:1fr;gap:0}
.insight a{display:block;padding:1.6rem 0;border-bottom:1px solid var(--line);text-decoration:none}
.insight .cat{font-family:var(--display);font-style:italic;color:var(--gold-deep);font-size:.9rem}
.insight .ttl{font-family:var(--display);font-size:1.5rem;font-weight:500;color:var(--oxblood);margin:.2rem 0}

/* big pull quote */
.pull{font-family:var(--display);font-size:clamp(1.5rem,2.8vw,2.1rem);font-style:italic;
  line-height:1.55;color:var(--on-dark-strong);max-width:26ch}

/* contact form */
.field{margin-bottom:1rem}
.field label{display:block;font-size:.82rem;letter-spacing:.05em;margin-bottom:.35rem;color:var(--on-dark)}
.field input,.field textarea{width:100%;padding:.85rem 1rem;border:1px solid rgba(236,224,212,.3);
  border-radius:2px;font:inherit;background:rgba(251,248,241,.96);color:var(--ink)}
.field input:focus,.field textarea:focus{outline:none;box-shadow:var(--focus)}

/* footer */
.site-footer{background:var(--oxblood-deep);color:var(--on-dark-mute);padding-block:clamp(3rem,6vw,5rem)}
.site-footer h4{font-family:var(--body);color:var(--gold-soft);font-size:.85rem;font-weight:500;
  text-transform:uppercase;letter-spacing:.12em;margin-bottom:1rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:2.5rem;
  max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.site-footer a{color:var(--on-dark-mute);text-decoration:none;display:block;padding:.28rem 0}
.site-footer a:hover{color:var(--gold-soft)}
.footer-net{border-top:1px solid rgba(205,176,121,.22);margin-top:2.5rem;padding-top:1.5rem;
  max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter);
  display:flex;flex-wrap:wrap;gap:1.5rem;font-size:.85rem}
.footer-dis{max-width:var(--maxw);margin:1.4rem auto 0;padding-inline:var(--gutter);
  font-size:.78rem;opacity:.55;line-height:1.7}

/* motion */
@media (prefers-reduced-motion:no-preference){
  .fade{opacity:0;transform:translateY(18px);transition:opacity 1s ease,transform 1s ease}
  .fade.in{opacity:1;transform:none}
}

/* sticky mobile contact */
.mbar{display:none}
@media (max-width:680px){
  .hero{grid-template-columns:1fr;gap:2.5rem;align-items:start}
  .hero-aside{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:1.5rem}
  .two{grid-template-columns:1fr;gap:2.5rem}
  .footer-grid{grid-template-columns:1fr}
  .nav-links{position:fixed;inset:0 0 0 auto;width:min(80vw,320px);flex-direction:column;
    align-items:flex-start;gap:.2rem;background:var(--beige);padding:5rem 1.8rem 2rem;
    box-shadow:-10px 0 40px rgba(72,17,25,.18);transform:translateX(100%);transition:transform .3s}
  .nav-links.open{transform:none}
  .nav-links a{font-size:1.1rem;padding:.7rem 0;width:100%;border-bottom:1px solid var(--line)}
  .nav-toggle{display:inline-flex}
  .idx a{grid-template-columns:auto 1fr;gap:1rem}.idx .ar{display:none}
  .mbar{display:grid;grid-template-columns:1fr 1fr;position:fixed;inset:auto 0 0 0;z-index:60;
    box-shadow:0 -4px 18px rgba(72,17,25,.2)}
  .mbar a{display:flex;align-items:center;justify-content:center;gap:.4rem;padding:1rem;
    color:#fff;text-decoration:none;font-size:.95rem;min-height:50px}
  body{padding-bottom:50px}
}
@media (min-width:1500px){:root{--maxw:1240px}}


/* ---------- v2.1: STYLED BOXES + MINIMAL ORNAMENTS ---------- */
/* กล่องสไตล์ พร้อมเส้นมุมทอง (corner brackets) */
.box{background:var(--paper);border:1px solid var(--line);border-radius:3px;
  padding:clamp(1.8rem,3.2vw,2.8rem);position:relative;transition:box-shadow .3s,transform .3s}
.box:hover{box-shadow:0 18px 40px rgba(108,45,53,.08);transform:translateY(-3px)}
.box::before,.box::after{content:'';position:absolute;width:14px;height:14px;opacity:.8}
.box::before{top:12px;right:12px;border-top:1px solid var(--gold);border-right:1px solid var(--gold)}
.box::after{bottom:12px;left:12px;border-bottom:1px solid var(--gold);border-left:1px solid var(--gold)}

/* ลายโลโก้ 4 ช่องจางๆ ประดับพื้นที่ว่าง (watermark) */
.wm-bg{position:absolute;pointer-events:none;opacity:.03;z-index:0}
.sec-oxblood .wm-bg{opacity:.08}
.block,.hero{position:relative}
.container{position:relative;z-index:1}

/* เส้นคั่นเล็กกลางหน้า (square separator) */
.sep{display:flex;align-items:center;justify-content:center;gap:1rem;padding-block:clamp(2rem,5vw,3.5rem)}
.sep::before,.sep::after{content:'';height:1px;width:min(28vw,160px);background:var(--line)}
.sep i{width:7px;height:7px;border:1px solid var(--gold);transform:rotate(45deg);display:block}

/* จุดหัวข้อย่อยสี่เหลี่ยมเล็ก (square marker) */
.sq-mark{display:inline-block;width:6px;height:6px;background:var(--gold);
  transform:rotate(45deg);margin-right:.6rem;vertical-align:middle}


/* ---------- v2.2: REFINEMENTS (ขัดเกลา) ---------- */
/* พื้นหลังอุ่นขึ้นเล็กน้อย (subtle warm wash) */
body{background-image:linear-gradient(180deg,#f6f0e6 0%,var(--beige) 38%)}

/* แถบบนสุดบางๆ */
.utilbar{background:var(--beige-soft);border-bottom:1px solid var(--line);font-size:.8rem;color:var(--ink-mute)}
.utilbar .in{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  max-width:var(--maxw);margin-inline:auto;padding:.5rem var(--gutter);letter-spacing:.03em}
.utilbar a{color:var(--ink-mute);text-decoration:none}
.utilbar a:hover{color:var(--oxblood)}
@media(max-width:560px){.utilbar{display:none}}

/* เลขหมวดในป้ายหัวข้อ */
.eyebrow .no{font-family:var(--display);font-style:normal;color:var(--oxblood);
  font-size:1rem;font-weight:600;letter-spacing:.05em}

/* ดัชนี: เส้นทองนำตอน hover + พื้นจางๆ */
.idx a::before{content:'';position:absolute;left:calc(var(--gutter)*-1);top:0;bottom:0;width:0;
  background:var(--gold);transition:width .25s}
.idx a:hover::before{width:3px}
.idx a:hover{background:linear-gradient(90deg,rgba(176,141,87,.06),transparent 60%)}

/* แถบตัวเลข: เส้นคั่นแนวตั้ง */
@media(min-width:561px){
  .meta-row .m + .m{border-left:1px solid var(--line);padding-left:clamp(1.5rem,5vw,4rem)}
}

/* ปุ่ม: ลูกศรขยับ */
.btn-primary .ar,.btn-gold .ar{transition:transform .25s;display:inline-block}
.btn-primary:hover .ar,.btn-gold:hover .ar{transform:translateX(4px)}


/* ---------- v2.3: BALANCE (จัดสมดุล/กึ่งกลาง) ---------- */
.intro{text-align:center;max-width:60ch;margin-inline:auto;margin-bottom:clamp(2.2rem,4.5vw,3.4rem)}
.intro .eyebrow{justify-content:center;margin-bottom:1.1rem}
.intro .eyebrow::after{content:'';width:42px;height:1px;background:var(--gold)}
.intro h2{margin:0 auto;max-width:20ch}
/* contact สมดุลความสูงสองคอลัมน์ */
#contact .two{align-items:stretch}
#contact form{align-self:center;width:100%}