/* ==========================================================
   CAST Premium DFT-DTF — ระบบดีไซน์
   โทน: ครีมอบอุ่น + กรมท่าน่าเชื่อถือ + ทอง
   อ้างอิงมาตรฐาน design-1d1d
   ========================================================== */

:root {
  /* --- สี --- */
  --navy-900:#0B1F38; --navy-800:#10294A; --navy-700:#173458; --navy-600:#1E4372;
  --gold:#A97C36; --gold-600:#B08542; --gold-400:#C9A063; --gold-100:#F0E3CD;
  --cream:#FBF8F3; --cream-2:#F5EEE3; --cream-3:#EFE6D7;
  --ink:#16202E; --body:#3D4A5C; --muted:#6B7788;
  --line:#E6DCCB; --line-soft:#F0E9DE;
  --white:#FFFFFF;
  /* สีจากโลโก้จริง (C ฟ้า / A บานเย็น / S เหลือง / T ขาว) */
  --cy:#29ABE2; --mg:#EC008C; --yl:#FFD400;
  /* ตัวอักษร CAST — สี process CMYK แท้ ตามภาพอ้างอิงที่ลูกค้าส่งมา */
  --cast-c:#00AEEF; --cast-a:#EC008C; --cast-s:#FFF200; --cast-t:#231F20;
  --ok:#1F7A4D; --err:#B3261E; --warn:#B26A00; --warn-bg:#FFF3E0;

  --wrap:1200px;
  --r-sm:8px; --r:14px; --r-lg:20px;
  --sh-1:0 1px 2px rgba(11,31,56,.05), 0 2px 8px rgba(11,31,56,.05);
  --sh-2:0 4px 12px rgba(11,31,56,.09), 0 12px 28px rgba(11,31,56,.07);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;background:var(--cream);color:var(--body);
  font-family:'IBM Plex Sans Thai','IBM Plex Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-size:17px;line-height:1.75;font-weight:400;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg,video{display:block;max-width:100%}
[hidden]{display:none!important}
img{height:auto}
a{color:var(--navy-600);text-decoration:none}
a:hover{color:var(--gold)}

h1,h2,h3,h4{color:var(--navy-800);font-weight:700;line-height:1.4;margin:0 0 .5em;letter-spacing:-.01em;
  text-wrap:balance;word-break:normal;overflow-wrap:normal;line-break:normal}
h1{font-size:clamp(30px,6.4vw,56px);line-height:1.4}
h2{font-size:clamp(25px,4.4vw,40px)}
h3{font-size:clamp(19px,2.4vw,23px)}
h4{font-size:17px;line-height:1.5}
p{margin:0 0 1.1em;word-break:normal;overflow-wrap:normal;line-break:normal}
.head p,.hero__sub,.page-head p{text-wrap:pretty}
p:last-child{margin-bottom:0}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:22px}
@media (min-width:480px){.wrap{padding-inline:26px}}
@media (min-width:768px){.wrap{padding-inline:32px}}
@media (min-width:1024px){.wrap{padding-inline:40px}}
.section{padding:64px 0}
@media (min-width:768px){.section{padding:92px 0}}
.section--cream2{background:var(--cream-2)}
.section--navy{background:var(--navy-900);color:#C9D4E2}
.section--navy h2,.section--navy h3{color:#fff}

/* ---------- หัวข้อกลาง: เส้นทองขนาบ มีเพชรเล็กคั่น ตามแบบ ---------- */
.head{text-align:center;max-width:820px;margin:0 auto 40px}
.head__title{display:flex;align-items:center;justify-content:center;gap:14px;margin:0 0 .4em;flex-wrap:nowrap}
.head__title span{flex:0 1 auto;min-width:0}
.rule{flex:1 1 auto;max-width:130px;height:8px;position:relative;display:block}
.rule::before{content:'';position:absolute;top:50%;height:1px;background:var(--gold-400);
  inset-inline-start:0;inset-inline-end:13px;transform:translateY(-50%)}
.rule::after{content:'';position:absolute;top:50%;inset-inline-end:0;width:7px;height:7px;
  background:var(--gold-600);transform:translateY(-50%) rotate(45deg)}
.rule--l::before{inset-inline-start:0;inset-inline-end:13px}
.rule--r::before{inset-inline-start:13px;inset-inline-end:0}
.rule--r::after{inset-inline-start:0;inset-inline-end:auto}
.head p{color:var(--body);font-size:clamp(15px,1.6vw,17px);margin:0;line-height:1.65}
.section--navy .head p{color:#93A6BC}
@media (max-width:560px){
  .head__title{gap:10px}
  .head__title::before,.head__title::after{max-width:26px}
}

/* ---------- ปุ่ม ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:52px;padding:0 26px;border:1px solid transparent;border-radius:var(--r-sm);
  font-family:inherit;font-size:17px;font-weight:600;line-height:1.4;
  cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),
    border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn svg{width:19px;height:19px;flex:none}
.btn--gold{background:var(--gold-600);color:#fff;box-shadow:var(--sh-1)}
.btn--gold:hover{background:var(--gold);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--navy{background:var(--navy-800);color:#fff}
.btn--navy:hover{background:var(--navy-700);color:#fff;transform:translateY(-2px)}
.btn--line{background:#06C755;color:#fff}
.btn--line:hover{background:#05b34c;color:#fff;transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--navy-800);border-color:var(--line)}
.btn--ghost:hover{background:var(--white);border-color:var(--gold-400);color:var(--navy-800)}
.btn--onDark{background:rgba(255,255,255,.09);color:#fff;border-color:rgba(255,255,255,.26)}
.btn--onDark:hover{background:rgba(255,255,255,.16);color:#fff}
.btn--block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,
select:focus-visible,textarea:focus-visible{outline:3px solid var(--gold-400);outline-offset:2px}

/* ==========================================================
   หัวเว็บ
   ========================================================== */
.site-head{position:sticky;top:0;z-index:60;background:rgba(251,248,243,.94);
  backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid var(--line)}
.site-head__in{display:flex;align-items:center;gap:12px;min-height:72px}
.brand{display:flex;align-items:center;flex:none;min-height:46px;
  background:var(--navy-900);border-radius:10px;padding:9px 15px}
.brand img{width:clamp(116px,13vw,158px);height:auto}
.nav{display:none;margin-inline-start:auto;align-items:center;gap:4px}
@media (min-width:1200px){.nav{display:flex}}
.nav a{
  padding:10px 11px;border-radius:8px;font-size:15.5px;font-weight:600;color:var(--navy-800);
  white-space:nowrap;transition:background .18s var(--ease),color .18s var(--ease);
}
.nav a:hover{background:var(--cream-3);color:var(--navy-800)}
.nav a[aria-current="page"]{color:var(--gold);background:transparent}
.head-cta{display:none;margin-inline-start:10px;white-space:nowrap;padding:0 20px}
@media (min-width:1200px){.head-cta{display:inline-flex}}

.burger{
  margin-inline-start:auto;display:grid;place-items:center;width:46px;height:46px;
  border:1px solid var(--line);border-radius:10px;background:var(--white);cursor:pointer;color:var(--navy-800);
}
@media (min-width:1200px){.burger{display:none}}
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(320px,86vw);z-index:70;background:var(--white);
  border-inline-start:1px solid var(--line);padding:20px;overflow-y:auto;
  transform:translateX(100%);transition:transform .3s var(--ease);
}
.drawer[data-open="true"]{transform:translateX(0)}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer__close{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line);
  border-radius:10px;background:var(--white);cursor:pointer;color:var(--navy-800)}
.drawer nav{display:flex;flex-direction:column;gap:2px;margin-bottom:20px}
.drawer nav a{padding:14px 12px;border-radius:9px;font-size:17px;font-weight:600;color:var(--navy-800)}
.drawer nav a:hover,.drawer nav a[aria-current="page"]{background:var(--cream-2);color:var(--gold)}
.drawer .btn{margin-bottom:10px}
.scrim{position:fixed;inset:0;z-index:65;background:rgba(11,31,56,.45);opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease)}
.scrim[data-open="true"]{opacity:1;pointer-events:auto}

/* ==========================================================
   แบนเนอร์หน้าแรก — ใช้ภาพที่ลูกค้าออกแบบมาเต็มใบ ไม่มีข้อความทับ
   ========================================================== */
.hero{position:relative;background:var(--white);overflow:hidden}
.hero__slide{display:none}
.hero__slide[data-active="true"]{display:block;animation:heroFade .45s var(--ease) both}
@keyframes heroFade{from{opacity:.35}to{opacity:1}}
@media (prefers-reduced-motion:reduce){.hero__slide[data-active="true"]{animation:none}}
.hero__link{display:block;line-height:0}
.hero__link img{width:100%;height:auto;display:block}
.hero__link .img-empty{line-height:1.5}

.hero__nav{position:absolute;inset-inline:0;bottom:14px;display:flex;justify-content:center;gap:9px;z-index:4}
.hero__dot{width:32px;height:5px;border:0;border-radius:99px;background:rgba(255,255,255,.55);cursor:pointer;padding:0;
  box-shadow:0 1px 3px rgba(11,31,56,.25);transition:background .25s var(--ease)}
.hero__dot[aria-selected="true"]{background:var(--gold-600)}
.hero__arrows{display:none}
@media (min-width:900px){
  .hero__arrows{display:flex;position:absolute;inset-block:0;inset-inline:0;align-items:center;
    justify-content:space-between;pointer-events:none;padding-inline:16px;z-index:4}
  .hero__arrow{pointer-events:auto;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);
    background:rgba(255,255,255,.94);color:var(--navy-800);display:grid;place-items:center;cursor:pointer}
  .hero__arrow:hover{border-color:var(--gold-400)}
}

/* ==========================================================
   แถบจุดเด่น
   ========================================================== */
.features{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.features > *{flex:0 1 calc((100% - 10px) / 2)}
@media (min-width:480px){.features{gap:14px}.features > *{flex-basis:calc((100% - 2 * 14px) / 3)}}
@media (min-width:768px){.features{gap:18px}.features > *{flex-basis:calc((100% - 3 * 18px) / 4)}}
@media (min-width:1024px){.features{gap:20px}.features > *{flex-basis:calc((100% - 4 * 20px) / 5)}}
.feature{text-align:center;padding:22px 12px}
.feature__ico{display:grid;place-items:center;margin:0 auto 12px;color:var(--navy-700)}
.feature h3{font-size:clamp(15.5px,1.6vw,17.5px);margin-bottom:.3em;color:var(--navy-800)}
.feature p{font-size:14px;color:var(--muted);line-height:1.6;margin:0}

/* ==========================================================
   การ์ดบริการ — ไอคอนบนกลาง ข้อความจัดกลาง ตามแบบ
   ========================================================== */
/* ใช้ flex แทน grid เพื่อให้แถวสุดท้ายที่ไม่เต็มถูกจัดกึ่งกลาง
   ไม่เหลือช่องว่างข้างเดียว ไม่ว่าลูกค้าจะเพิ่มรายการกี่ใบก็ตาม */
.cards{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.cards > *{flex:0 1 calc((100% - 12px) / 2)}
@media (min-width:700px){.cards{gap:18px}.cards > *{flex-basis:calc((100% - 2 * 18px) / 3)}}
@media (min-width:1000px){.cards{gap:20px}.cards > *{flex-basis:calc((100% - 3 * 20px) / 4)}}
.card{
  display:flex;flex-direction:column;align-items:center;text-align:center;
  background:var(--white);border:1px solid var(--gold-100);border-radius:var(--r);
  padding:26px 16px 24px;color:inherit;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
a.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--gold-400);color:inherit}
.card__ico{display:grid;place-items:center;margin-bottom:14px;color:var(--navy-700)}
.card h3{font-size:clamp(15.5px,1.6vw,17.5px);margin-bottom:.45em;color:var(--navy-800)}
.card p{font-size:14px;color:var(--muted);line-height:1.6;margin:0}

/* ==========================================================
   ผลงาน — masonry สัดส่วนจริง ไม่มีกรอบ ไม่มีเงา
   ========================================================== */
.gallery{columns:2;column-gap:10px}
@media (min-width:480px){.gallery{columns:3;column-gap:12px}}
@media (min-width:1024px){.gallery{columns:4;column-gap:18px}}
.gallery__item{break-inside:avoid;margin:0 0 10px;position:relative}
@media (min-width:480px){.gallery__item{margin:0 0 12px}}
@media (min-width:1024px){.gallery__item{margin:0 0 18px}}
.gallery__item img{
  width:100%;height:auto;border-radius:var(--r-sm);
  transition:opacity .25s var(--ease),transform .25s var(--ease);
}
.gallery__item:hover img{opacity:.94;transform:translateY(-2px)}
.gallery__cap{
  display:block;margin-top:7px;font-size:14px;color:var(--muted);line-height:1.5;
}
.gallery__cat{color:var(--gold-600);font-weight:600}

/* กรองผลงาน */
.filters{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:30px}
.filter{
  min-height:44px;padding:0 17px;border:1px solid var(--line);border-radius:999px;background:var(--white);
  font-family:inherit;font-size:15px;font-weight:600;color:var(--navy-800);cursor:pointer;
  transition:all .18s var(--ease);
}
.filter:hover{border-color:var(--gold-400)}
.filter[aria-pressed="true"]{background:var(--navy-800);border-color:var(--navy-800);color:#fff}

/* ==========================================================
   FAQ
   ========================================================== */
.faq{max-width:820px;margin:0 auto;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:flex-start;gap:14px;padding:21px 4px;cursor:pointer;list-style:none;
  font-size:17.5px;font-weight:600;color:var(--navy-800);line-height:1.5;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:'';flex:none;width:11px;height:11px;margin-inline-start:auto;margin-top:7px;
  border-inline-end:2px solid var(--gold-600);border-block-end:2px solid var(--gold-600);
  transform:rotate(45deg);transition:transform .22s var(--ease);
}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq__q{flex:none;width:27px;height:27px;border-radius:50%;background:var(--cream-3);color:var(--gold-600);
  display:grid;place-items:center;font-size:14px;font-weight:700;margin-top:1px}
.faq__a{padding:0 4px 22px 45px;color:var(--body);font-size:16.5px}
.faq__a p{margin-bottom:.8em}

/* ==========================================================
   ติดต่อ / ฟอร์ม
   ========================================================== */
.contact-grid{display:grid;gap:34px}
@media (min-width:900px){.contact-grid{grid-template-columns:1fr .92fr;gap:52px;align-items:start}}
.form-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 20px}
@media (min-width:600px){.form-card{padding:34px 32px}}
.field{margin-bottom:19px}
.field label{display:block;font-size:15.5px;font-weight:600;color:var(--navy-800);margin-bottom:7px}
.field .req{color:var(--err);margin-inline-start:3px}
.field input,.field select,.field textarea{
  width:100%;min-height:52px;padding:13px 15px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--cream);font-family:inherit;font-size:16.5px;line-height:1.6;color:var(--ink);
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.field textarea{min-height:118px;resize:vertical}
.field select{appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%236B7788' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 15px center;padding-inline-end:44px}
.field input:focus,.field select:focus,.field textarea:focus{background:var(--white);border-color:var(--gold-400)}
.field__hint{display:block;margin-top:6px;font-size:14px;color:var(--muted);line-height:1.55}
.field__err{display:none;margin-top:7px;font-size:14px;font-weight:600;color:var(--err);line-height:1.5}
.field[data-invalid="true"] input,.field[data-invalid="true"] select,.field[data-invalid="true"] textarea{
  border-color:var(--err);background:#FDF4F3}
.field[data-invalid="true"] .field__err{display:block}
.form-note{font-size:14px;color:var(--muted);margin-top:15px;line-height:1.6}
.alert{padding:15px 17px;border-radius:var(--r-sm);font-size:16px;font-weight:600;margin-bottom:22px;line-height:1.6}
.alert--ok{background:#EAF6EF;color:var(--ok);border:1px solid #BFE3CE}
.alert--err{background:#FDF0EF;color:var(--err);border:1px solid #F3CFCC}

.info-list{list-style:none;margin:0 0 26px;padding:0;display:grid;gap:3px}
.info-list li{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line-soft)}
.info-list li:last-child{border-bottom:0}
.info-list svg{width:21px;height:21px;flex:none;color:var(--gold-600);margin-top:3px}
.info-list dt{font-size:14px;font-weight:600;color:var(--muted);margin-bottom:2px}
.info-list dd{margin:0;font-size:16.5px;font-weight:600;color:var(--navy-800);line-height:1.6}
.info-list a{color:var(--navy-800);display:inline-flex;align-items:center;min-height:44px}
.info-list a:hover{color:var(--gold)}

.map-embed{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--cream-3)}
.map-embed iframe{display:block;width:100%;height:340px;border:0}

/* ==========================================================
   ท้ายเว็บ
   ========================================================== */
.site-foot{background:var(--navy-900);color:#8FA1B8;font-size:15.5px;padding:52px 0 0}
.site-foot__grid{display:grid;gap:32px;padding-block-end:38px}
@media (min-width:700px){.site-foot__grid{grid-template-columns:1.4fr 1fr 1.2fr;gap:44px}}
.site-foot h4{color:#fff;font-size:15px;letter-spacing:.09em;text-transform:uppercase;margin-bottom:16px}
.site-foot a{color:#8FA1B8}
.site-foot a:hover{color:var(--gold-400)}
.site-foot__logo{width:172px;margin-bottom:16px}
.site-foot ul{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.site-foot ul li{display:flex}
.site-foot ul a,.site-foot ul li{min-height:44px;display:inline-flex;align-items:center}
.site-foot__soc{display:flex;gap:10px;margin-top:18px}
.site-foot__soc a{
  display:grid;place-items:center;width:44px;height:44px;border-radius:10px;
  border:1px solid rgba(255,255,255,.16);color:#C9D4E2;transition:all .2s var(--ease);
}
.site-foot__soc a:hover{background:rgba(255,255,255,.09);border-color:var(--gold-400);color:#fff}
.site-foot__soc svg{width:19px;height:19px}
.site-foot__bar{
  border-top:1px solid rgba(255,255,255,.11);padding-block:20px 26px;font-size:14px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
}
@media (max-width:767px){.site-foot{padding-bottom:76px}}

/* ==========================================================
   ปุ่มลอยบนมือถือ — ไลน์กับโทรเท่านั้น สูงไม่เกิน 60px
   ========================================================== */
.dock{
  position:fixed;inset-inline:0;bottom:0;z-index:55;display:grid;grid-template-columns:1fr 1fr;
  height:58px;border-top:1px solid rgba(255,255,255,.14);
  box-shadow:0 -3px 14px rgba(11,31,56,.13);
}
@media (min-width:1200px){.dock{display:none}}
.dock a{
  display:flex;align-items:center;justify-content:center;gap:9px;
  font-size:16.5px;font-weight:600;color:#fff;
}
.dock a:first-child{background:#06C755}
.dock a:last-child{background:var(--navy-800)}
.dock svg{width:21px;height:21px}
body:has(.dock){padding-bottom:0}

/* ==========================================================
   หน้าย่อย
   ========================================================== */
.page-head{background:var(--cream-2);border-bottom:1px solid var(--line);padding:40px 0 44px;text-align:center}
@media (min-width:768px){.page-head{padding:58px 0 62px}}
.page-head h1{margin-bottom:.3em}
.page-head p{max-width:660px;margin:0 auto;color:var(--muted);font-size:17.5px}
.crumbs{font-size:14.5px;color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--muted);display:inline-block;padding-block:10px}
.crumbs a:hover{color:var(--gold)}
.crumbs span{margin-inline:7px;opacity:.55}

.prose{max-width:760px}
.prose p{font-size:17.5px;line-height:1.8}
.prose h2{margin-top:1.6em}
.prose ul{padding-inline-start:0;list-style:none;margin:0 0 1.3em;display:grid;gap:11px}
.prose ul li{display:flex;gap:11px;align-items:flex-start;font-size:17px;line-height:1.7}
.prose ul li svg{width:21px;height:21px;flex:none;color:var(--gold-600);margin-top:4px}

.detail-grid{display:grid;gap:34px}
@media (min-width:900px){.detail-grid{grid-template-columns:1.05fr .95fr;gap:52px;align-items:start}}
.detail-media{border-radius:var(--r-lg);overflow:hidden;background:var(--cream-3)}
@media (min-width:560px) and (max-width:899px){.detail-media{max-width:554px;margin-inline:auto}}
.detail-media img{width:100%;height:auto}
.side-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:24px 22px;
  position:sticky;top:92px}
.side-card h3{font-size:19px}
.price-note{display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border-radius:999px;
  background:var(--gold-100);color:#7A5A22;font-size:15px;font-weight:600;margin-bottom:16px}
.price-note svg{width:17px;height:17px}

.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media (min-width:768px){.stats{grid-template-columns:repeat(4,1fr);gap:20px}}
.stat{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:24px 18px;text-align:center}
.stat__n{font-size:clamp(28px,4.4vw,38px);font-weight:700;color:var(--gold-600);line-height:1.2;margin-bottom:5px}
.stat__l{font-size:14.5px;color:var(--muted);line-height:1.55}

.steps{display:grid;gap:16px;counter-reset:s}
@media (min-width:768px){.steps{grid-template-columns:repeat(4,1fr);gap:20px}}
.step{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:24px 20px;position:relative}
.step::before{
  counter-increment:s;content:counter(s);
  display:grid;place-items:center;width:38px;height:38px;border-radius:50%;margin-bottom:14px;
  background:var(--navy-800);color:#fff;font-size:16px;font-weight:700;
}
.step h3{font-size:17.5px;margin-bottom:.35em}
.step p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.62}

/* ==========================================================
   อนิเมชัน — ปรากฏตอนเลื่อนถึง เล่นครั้งเดียว
   ========================================================== */
.reveal{opacity:0;transform:translateY(20px)}
.reveal[data-shown="true"]{opacity:1;transform:none;transition:opacity .5s var(--ease),transform .5s var(--ease)}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1!important;transform:none!important;transition:none!important}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

.nb{white-space:nowrap}
.skip{position:absolute;inset-inline-start:-9999px;top:0;z-index:100;background:var(--navy-800);color:#fff;
  padding:13px 20px;border-radius:0 0 var(--r-sm) 0;font-weight:600}
.skip:focus{inset-inline-start:0;color:#fff}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;line-height:1.6;font-size:16px}

/* ==========================================================
   กรอบรูปว่าง — จุดที่ลูกค้ายังไม่ได้ใส่รูป ไปเติมเองได้ในหลังบ้าน
   ========================================================== */
.img-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  width:100%;background:var(--cream-2);border:1px dashed var(--line);border-radius:var(--r);
  color:var(--muted);font-size:14px;font-weight:600;text-align:center;padding:18px;line-height:1.5;
}
.img-empty svg{color:var(--gold-400);flex:none}

/* ==========================================================
   ฟิล์ม DTF สกรีนลงอะไรได้บ้าง — การ์ดรูปตามแบบที่ลูกค้าออกแบบไว้
   ========================================================== */
.screenables{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.screenables > *{flex:0 1 calc((100% - 14px) / 2)}
@media (min-width:600px){.screenables{gap:18px}.screenables > *{flex-basis:calc((100% - 2 * 18px) / 3)}}
@media (min-width:1024px){.screenables{gap:20px}.screenables > *{flex-basis:calc((100% - 4 * 20px) / 5)}}
.screenable{margin:0;background:var(--white);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.screenable:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--gold-400)}
.screenable__media{aspect-ratio:1/1;background:var(--cream-2)}
.screenable__media img{width:100%;height:100%;object-fit:cover}
.screenable__media .img-empty{height:100%;border:0;border-radius:0}
.screenable figcaption{padding:14px 12px;text-align:center;font-size:15.5px;font-weight:600;color:var(--navy-800)}

/* ==========================================================
   รายการวัสดุ 2 คอลัมน์ ตามแบบใน mockup
   ========================================================== */

.section__more{text-align:center;margin:36px 0 0}

/* ==========================================================
   กล่องวัสดุ — กรอบทองใบเดียว หัวข้ออยู่ในกล่อง 2 คอลัมน์ ตามแบบ
   ========================================================== */
.mat-box{
  max-width:960px;margin:34px auto 0;background:var(--white);
  border:1px solid var(--gold-100);border-radius:var(--r-lg);padding:26px 22px 24px;
}
@media (min-width:768px){.mat-box{padding:32px 40px 30px}}
.mat-box h2{text-align:center;font-size:clamp(19px,2.3vw,25px);margin-bottom:.7em}
.mat-list{list-style:none;margin:0;padding:0;display:grid;gap:9px}
@media (min-width:700px){.mat-list{grid-template-columns:repeat(2,1fr);gap:9px 40px}}
.mat-list li{position:relative;padding-inline-start:20px;font-size:15.5px;line-height:1.7;color:var(--body)}
.mat-list li::before{
  content:'';position:absolute;inset-inline-start:2px;top:.68em;width:7px;height:7px;
  border-radius:50%;background:var(--gold-400);
}

/* ==========================================================
   แถวผลงาน — เลื่อนซ้ายขวา มีจุดบอกตำแหน่ง ตามแบบ
   ========================================================== */
.rail{position:relative;margin-top:6px}
/* แถวการ์ดอยู่ในกรอบเนื้อหาเดียวกับส่วนอื่น จะได้ไม่มีการ์ดโผล่ค้างข้างเดียวจนดูเอียง */
.rail__track{
  display:grid;grid-auto-flow:column;grid-auto-columns:100%;gap:12px;
  overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;
  padding-block:4px 6px;scroll-padding-inline:0;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.rail__track::-webkit-scrollbar{display:none}
@media (min-width:560px){.rail__track{grid-auto-columns:calc((100% - 12px) / 2);gap:12px}}
@media (min-width:768px){.rail__track{grid-auto-columns:calc((100% - 2 * 14px) / 3);gap:14px}}
@media (min-width:1024px){.rail__track{grid-auto-columns:calc((100% - 4 * 16px) / 5);gap:16px}}
@media (prefers-reduced-motion:reduce){.rail__track{scroll-behavior:auto}}
.rail__item{margin:0;scroll-snap-align:start;background:var(--cream-2);border-radius:var(--r-sm);
  overflow:hidden;display:flex;flex-direction:column}
.rail__item img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.rail__item figcaption{
  flex:1;display:grid;place-items:center;min-height:56px;
  padding:11px 12px;text-align:center;font-size:14px;font-weight:600;color:var(--navy-800);
  background:var(--white);border-top:1px solid var(--gold-100);line-height:1.45;
}
.rail__item figcaption span{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail__arrow{
  display:none;position:absolute;top:38%;z-index:3;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:rgba(255,255,255,.96);color:var(--navy-800);
  place-items:center;cursor:pointer;box-shadow:var(--sh-2);
}
@media (min-width:1024px){.rail__arrow{display:grid}}
.rail__arrow:hover{border-color:var(--gold-400)}
.rail__arrow[disabled]{opacity:0;pointer-events:none}
.rail__arrow--prev{inset-inline-start:-22px}
.rail__arrow--next{inset-inline-end:-22px}
.rail__dots{display:flex;justify-content:center;gap:8px;margin-top:18px}
.rail__dots button{
  width:9px;height:9px;padding:0;border:0;border-radius:50%;background:var(--cream-3);cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.rail__dots button[aria-selected="true"]{background:var(--gold-600);transform:scale(1.25)}

/* ==========================================================
   ท้ายเว็บ — ซ้ายช่องทางติดต่อ ขวากล่องครีมชวนทักแชท ตามแบบ
   ========================================================== */
.foot-cta{background:var(--cream-2);border-block-start:1px solid var(--line-soft)}
.foot-cta__grid{display:grid}
@media (min-width:900px){.foot-cta__grid{grid-template-columns:minmax(0,42fr) minmax(0,58fr)}}
.foot-cta__contact{background:var(--white)}
.foot-cta__inner{width:100%;padding:34px 22px 38px}
@media (min-width:480px){.foot-cta__inner{padding-inline:26px}}
@media (min-width:768px){.foot-cta__inner{padding-inline:32px}}
@media (min-width:900px){
  .foot-cta__inner{padding:52px 34px 56px 0;
    padding-inline-start:max(32px,calc((100vw - var(--wrap)) / 2 + 40px))}
}
@media (min-width:1024px){
  .foot-cta__inner{padding-inline-start:max(40px,calc((100vw - var(--wrap)) / 2 + 40px))}
}
.foot-cta__contact h2{font-size:clamp(19px,2.2vw,24px);margin-bottom:.85em}
.foot-cta__contact ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.foot-cta__contact li{display:flex;align-items:center;gap:12px;min-height:44px;font-size:15.5px;color:var(--body)}
.foot-cta__contact a{color:var(--body);display:inline-flex;align-items:center;min-height:44px}
.foot-cta__contact a:hover{color:var(--gold)}
.foot-ico{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;flex:none;
  background:var(--cream-3);color:var(--navy-700)}
.foot-ico svg{width:15px;height:15px}
.foot-ico--line{background:#06C755;color:#fff}
.foot-ico--fb{background:#1877F2;color:#fff}

.foot-cta__box{position:relative;display:grid;align-items:center;overflow:hidden}
@media (min-width:700px){.foot-cta__box{grid-template-columns:minmax(0,1fr) minmax(0,44%)}}
.foot-cta__text{padding:34px 22px 38px}
@media (min-width:480px){.foot-cta__text{padding-inline:26px}}
@media (min-width:900px){.foot-cta__text{padding:52px 30px 56px 40px}}
.foot-cta__text h2{font-size:clamp(20px,2.5vw,27px);line-height:1.4;margin-bottom:.5em}
.foot-cta__text p{color:var(--muted);font-size:15.5px;margin-bottom:22px}
.foot-cta__text .btn{border-radius:999px;padding-inline:30px}
.foot-cta__media{align-self:stretch;min-height:180px;background:var(--cream-3)}
.foot-cta__media img{width:100%;height:100%;object-fit:cover;display:block}
.foot-cta__media .img-empty{height:100%;border-radius:0;border:0;border-inline-start:1px dashed var(--line)}

.site-foot{background:var(--navy-900);color:#8FA1B8;font-size:14.5px;padding:0}
.site-foot__bar{
  display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;align-items:center;
  padding-block:18px 20px;border:0;
}
.site-foot__nav{display:flex;flex-wrap:wrap;gap:0 16px;align-items:center}
.site-foot a{color:#8FA1B8;display:inline-flex;align-items:center;min-height:44px}
.site-foot a:hover{color:var(--gold-400)}
@media (max-width:1199px){.site-foot__bar{padding-block-end:76px}}

/* กรอบรูปว่าง แบบมีขนาดแนะนำ */
.img-empty small{display:block;font-size:14px;font-weight:600;color:var(--gold-600);line-height:1.5;
  letter-spacing:.02em;margin-top:2px}
.img-empty--foot{min-height:200px}

/* ==========================================================
   ภาพทีมงานและโรงงาน (หน้าเกี่ยวกับเรา)
   ========================================================== */
.team{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.team > *{flex:0 1 100%}
@media (min-width:700px){.team{gap:18px}.team > *{flex-basis:calc((100% - 18px) / 2)}}
.team__item{margin:0;background:var(--white);border:1px solid var(--gold-100);
  border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.team__item img{width:100%;height:auto;display:block}
.team__item figcaption{padding:13px 15px;font-size:15px;font-weight:600;color:var(--navy-800);
  text-align:center;line-height:1.5;border-top:1px solid var(--gold-100)}