/* ==================================================================
   Giftbox Premium — stylesheet
   ทิศทางงานออกแบบ: "โรงพิมพ์" — กระดาษไม่เคลือบ หมึกเขียวเข้ม
   ฟอยล์ทองเหลือง และหมุดตรวจแนวพิมพ์ (registration mark)
   ================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Trirong:wght@400;500;600;700&family=IBM+Plex+Sans+Thai:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --ink:      #0E1C1A;
  --press:    #0E4F4A;
  --press-lt: #1A6D66;
  --foil:     #B8873B;
  --paper:    #EFE9DC;
  --kraft:    #E3DACA;
  --card:     #FBF8F1;
  --muted:    #667470;
  --line:     #CFC6B4;
  --ok:       #2E7D63;
  --warn:     #A8452F;

  --display: 'Trirong', Georgia, serif;
  --body:    'IBM Plex Sans Thai', system-ui, -apple-system, sans-serif;
  --mono:    'IBM Plex Mono', ui-monospace, monospace;

  --wrap: 1180px;
  --r: 3px;
  --shadow: 0 1px 2px rgba(14,28,26,.06), 0 8px 24px -12px rgba(14,28,26,.18);
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; transition-duration:.001ms !important; }
}

body{
  margin:0;
  font-family:var(--body);
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ color:var(--press); text-decoration:none; }
a:hover{ color:var(--press-lt); }

:focus-visible{ outline:2px solid var(--foil); outline-offset:3px; }

.wrap{ width:100%; max-width:var(--wrap); margin:0 auto; padding:0 20px; }

/* ---------------- typography ---------------- */
h1,h2,h3,h4{ font-family:var(--display); font-weight:600; line-height:1.25; margin:0 0 .5em; letter-spacing:-.01em; }
h1{ font-size:clamp(2rem, 6vw, 3.4rem); }
h2{ font-size:clamp(1.5rem, 4vw, 2.3rem); }
h3{ font-size:1.15rem; }
p{ margin:0 0 1em; }

.eyebrow{
  font-family:var(--mono);
  font-size:.7rem; font-weight:500;
  letter-spacing:.18em; text-transform:uppercase;
  color:var(--foil); margin:0 0 .8rem;
  display:flex; align-items:center; gap:.6rem;
}
.eyebrow::before{ content:'◈'; font-size:.8em; opacity:.8; }

.sub-en{
  font-family:var(--mono); font-size:.72rem; letter-spacing:.06em;
  color:var(--muted); text-transform:uppercase; display:block; margin-top:-.2em;
}

.lede{ font-size:1.05rem; color:#39463F; max-width:56ch; }

/* ---------------- foil rule (signature divider) ---------------- */
.rule{
  display:flex; align-items:center; gap:14px;
  margin:0; padding:0; border:0;
}
.rule::before,.rule::after{
  content:''; flex:1; height:1px;
  background:linear-gradient(90deg, transparent, var(--foil), transparent);
  opacity:.55;
}
.rule span{
  font-family:var(--mono); font-size:.66rem; letter-spacing:.2em;
  text-transform:uppercase; color:var(--foil); white-space:nowrap;
}

/* ---------------- header ---------------- */
.topbar{
  background:var(--ink); color:#CFD9D5;
  font-family:var(--mono); font-size:.7rem; letter-spacing:.06em;
}
.topbar .wrap{ display:flex; gap:16px; justify-content:space-between; align-items:center; min-height:34px; flex-wrap:wrap; }
.topbar a{ color:#9FE3D6; }

header.site{
  position:sticky; top:0; z-index:40;
  background:rgba(239,233,220,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
header.site .wrap{ display:flex; align-items:center; gap:16px; min-height:66px; }

.brand{ display:flex; align-items:center; gap:10px; margin-right:auto; }
.brand-mark{
  width:34px; height:34px; flex:none; border-radius:2px;
  background:var(--press); color:var(--paper);
  font-family:var(--display); font-weight:700; font-size:1.05rem;
  display:grid; place-items:center;
  box-shadow:inset 0 0 0 1px rgba(184,135,59,.55);
}
.brand-name{ font-family:var(--display); font-weight:600; font-size:1.15rem; color:var(--ink); line-height:1.1; }
.brand-name small{ display:block; font-family:var(--mono); font-size:.6rem; letter-spacing:.18em; color:var(--muted); text-transform:uppercase; }

nav.main{ display:none; gap:24px; align-items:center; }
nav.main a{ color:var(--ink); font-size:.92rem; font-weight:500; padding:6px 0; border-bottom:2px solid transparent; }
nav.main a:hover,nav.main a[aria-current="page"]{ border-bottom-color:var(--foil); color:var(--press); }

.head-tools{ display:flex; align-items:center; gap:8px; }

.lang-toggle{ display:flex; border:1px solid var(--line); border-radius:var(--r); overflow:hidden; }
.lang-toggle button{
  font-family:var(--mono); font-size:.68rem; letter-spacing:.1em;
  padding:6px 9px; border:0; background:transparent; color:var(--muted); cursor:pointer;
}
.lang-toggle button[aria-pressed="true"]{ background:var(--press); color:var(--paper); }

.cart-btn{
  position:relative; display:inline-flex; align-items:center; gap:7px;
  background:var(--ink); color:var(--paper); border:0; cursor:pointer;
  font-family:var(--body); font-size:.85rem; font-weight:500;
  padding:9px 14px; border-radius:var(--r);
}
.cart-btn .count{
  background:var(--foil); color:var(--ink); font-family:var(--mono); font-size:.68rem; font-weight:600;
  min-width:19px; height:19px; border-radius:10px; display:grid; place-items:center; padding:0 5px;
}
.menu-btn{ background:none; border:1px solid var(--line); border-radius:var(--r); padding:8px 10px; cursor:pointer; font-size:1rem; }

@media(min-width:960px){
  nav.main{ display:flex; }
  .menu-btn{ display:none; }
}

.mobile-nav{ display:none; border-top:1px solid var(--line); background:var(--card); }
.mobile-nav.open{ display:block; }
.mobile-nav a{ display:block; padding:13px 20px; border-bottom:1px solid var(--line); color:var(--ink); font-weight:500; }

/* ---------------- buttons ---------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--body); font-size:.95rem; font-weight:600;
  padding:13px 24px; border-radius:var(--r); border:1px solid transparent;
  cursor:pointer; transition:transform .15s ease, background .15s ease; text-align:center;
}
.btn:active{ transform:translateY(1px); }
.btn-primary{ background:var(--press); color:var(--card); }
.btn-primary:hover{ background:var(--press-lt); color:var(--card); }
.btn-ghost{ background:transparent; color:var(--ink); border-color:var(--ink); }
.btn-ghost:hover{ background:var(--ink); color:var(--paper); }
.btn-line{ background:#06C755; color:#fff; }
.btn-line:hover{ background:#05b04c; color:#fff; }
.btn-sm{ padding:9px 15px; font-size:.85rem; }
.btn-block{ width:100%; }

/* ---------------- hero ---------------- */
.hero{
  position:relative; overflow:hidden;
  background:
    radial-gradient(1100px 480px at 78% -10%, rgba(26,109,102,.14), transparent 65%),
    var(--paper);
  border-bottom:1px solid var(--line);
}
.hero::after{
  /* หมุดตรวจแนวพิมพ์ — ลายเซ็นของงานออกแบบชุดนี้ */
  content:''; position:absolute; inset:18px; pointer-events:none;
  border:1px solid rgba(184,135,59,.22);
  border-radius:2px;
}
.hero .wrap{ position:relative; z-index:1; padding-top:52px; padding-bottom:52px; display:grid; gap:40px; }
@media(min-width:900px){
  .hero .wrap{ grid-template-columns:1.05fr .95fr; align-items:center; padding-top:78px; padding-bottom:78px; gap:56px; }
}
.hero h1{ margin-bottom:.35em; }
.hero h1 em{ font-style:normal; color:var(--press); }
.hero-actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:26px; }

.hero-facts{
  display:grid; grid-template-columns:repeat(3,1fr); gap:2px;
  margin-top:34px; background:var(--line); border:1px solid var(--line);
}
.hero-facts div{ background:var(--paper); padding:14px 12px; }
.hero-facts b{ display:block; font-family:var(--mono); font-size:1.15rem; color:var(--press); font-weight:600; }
.hero-facts span{ font-size:.76rem; color:var(--muted); line-height:1.4; display:block; }

/* ---------------- deboss preview (signature) ---------------- */
.deboss{
  background:var(--card); border:1px solid var(--line);
  box-shadow:var(--shadow); padding:22px;
}
.deboss-label{
  font-family:var(--mono); font-size:.66rem; letter-spacing:.16em;
  text-transform:uppercase; color:var(--muted); margin-bottom:14px;
  display:flex; justify-content:space-between; gap:10px;
}
.lid{
  position:relative; aspect-ratio:4/3; border-radius:2px;
  background:linear-gradient(155deg,#0F5651,#0B3C38 60%,#092E2B);
  display:grid; place-items:center; overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
}
.lid::before{
  content:''; position:absolute; inset:14px;
  border:1px solid rgba(184,135,59,.4); border-radius:2px;
}
.lid-mark{
  font-family:var(--display); font-weight:700;
  font-size:clamp(1.3rem,5.5vw,2.1rem); letter-spacing:.02em;
  text-align:center; padding:0 28px; max-width:100%;
  word-break:break-word; line-height:1.25;
}
.lid[data-finish="deboss"] .lid-mark{
  color:#0A312E;
  text-shadow:0 1px 0 rgba(255,255,255,.16), 0 -1px 1px rgba(0,0,0,.5);
}
.lid[data-finish="foil"] .lid-mark{
  color:#E7C377;
  background:linear-gradient(100deg,#8A6224,#F0D493 42%,#B8873B 62%,#F5E3B6);
  -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
  filter:drop-shadow(0 1px 0 rgba(0,0,0,.45));
}
.lid[data-finish="screen"] .lid-mark{ color:#F6F2E7; }

.deboss-controls{ display:grid; gap:10px; margin-top:16px; }
.deboss-controls input[type="text"]{
  font-family:var(--body); font-size:.95rem; padding:11px 13px;
  border:1px solid var(--line); border-radius:var(--r); background:var(--paper); color:var(--ink); width:100%;
}
.finish-row{ display:flex; gap:6px; }
.finish-row button{
  flex:1; font-family:var(--mono); font-size:.68rem; letter-spacing:.08em; text-transform:uppercase;
  padding:9px 6px; border:1px solid var(--line); background:var(--paper); color:var(--muted);
  cursor:pointer; border-radius:var(--r);
}
.finish-row button[aria-pressed="true"]{ background:var(--ink); color:var(--paper); border-color:var(--ink); }

/* ---------------- sections ---------------- */
section{ padding:56px 0; }
section.tint{ background:var(--kraft); border-block:1px solid var(--line); }
.sec-head{ margin-bottom:34px; max-width:62ch; }

/* ---------------- category strip ---------------- */
.cats{ display:grid; gap:14px; grid-template-columns:1fr 1fr; }
@media(min-width:860px){ .cats{ grid-template-columns:repeat(4,1fr); } }
.cat{
  background:var(--card); border:1px solid var(--line); padding:20px 18px;
  display:flex; flex-direction:column; gap:6px; min-height:132px;
  transition:transform .15s ease, box-shadow .15s ease;
}
.cat:hover{ transform:translateY(-2px); box-shadow:var(--shadow); }
.cat b{ font-family:var(--display); font-size:1.1rem; color:var(--ink); }
.cat .price-range{ font-family:var(--mono); font-size:.8rem; color:var(--press); margin-top:auto; }
.cat .cat-en{ font-family:var(--mono); font-size:.64rem; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); }

/* ---------------- product grid ---------------- */
.grid{ display:grid; gap:18px; grid-template-columns:1fr; }
@media(min-width:600px){ .grid{ grid-template-columns:repeat(2,1fr); } }
@media(min-width:980px){ .grid{ grid-template-columns:repeat(3,1fr); } }

.card{
  background:var(--card); border:1px solid var(--line);
  display:flex; flex-direction:column; overflow:hidden;
  transition:transform .16s ease, box-shadow .16s ease;
}
.card:hover{ transform:translateY(-3px); box-shadow:var(--shadow); }

.card-media{ position:relative; aspect-ratio:1/1; background:var(--kraft); overflow:hidden; }
.card-media img{ width:100%; height:100%; object-fit:cover; }
.card-media .ph{
  position:absolute; inset:0; display:grid; place-items:center; gap:6px;
  font-family:var(--mono); font-size:.68rem; letter-spacing:.14em; color:var(--muted);
  background:repeating-linear-gradient(45deg,var(--kraft),var(--kraft) 9px,#DAD0BD 9px,#DAD0BD 18px);
  text-align:center; padding:16px;
}
.sku{
  position:absolute; top:10px; left:10px; z-index:2;
  font-family:var(--mono); font-size:.64rem; letter-spacing:.1em; font-weight:600;
  background:var(--ink); color:var(--paper); padding:3px 7px; border-radius:2px;
}
.flag{
  position:absolute; top:10px; right:10px; z-index:2;
  font-family:var(--mono); font-size:.6rem; letter-spacing:.08em; text-transform:uppercase;
  background:var(--foil); color:#20180A; padding:3px 7px; border-radius:2px; font-weight:600;
}
.card-body{ padding:16px 16px 18px; display:flex; flex-direction:column; gap:8px; flex:1; }
.card-body h3{ margin:0; font-size:1.05rem; }
.card-body .desc{ font-size:.86rem; color:var(--muted); margin:0; }
.spec-list{ list-style:none; margin:4px 0 0; padding:0; border-top:1px dashed var(--line); }
.spec-list li{
  display:flex; justify-content:space-between; gap:10px;
  font-size:.78rem; padding:5px 0; border-bottom:1px dashed var(--line);
}
.spec-list .k{ color:var(--muted); }
.spec-list .v{ font-family:var(--mono); font-size:.74rem; color:var(--ink); text-align:right; }

.price-row{ display:flex; align-items:baseline; gap:8px; margin-top:auto; padding-top:10px; }
.price{ font-family:var(--mono); font-size:1.28rem; font-weight:600; color:var(--press); }
.price-note{ font-size:.72rem; color:var(--muted); }
.card-actions{ display:flex; gap:8px; }
.card-actions .btn{ flex:1; }

.badge-src{
  font-family:var(--mono); font-size:.64rem; letter-spacing:.06em;
  color:var(--ok); border:1px solid rgba(46,125,99,.35); background:rgba(46,125,99,.07);
  padding:2px 7px; border-radius:2px; align-self:flex-start;
}

/* ---------------- filter bar ---------------- */
.filters{ display:flex; gap:8px; flex-wrap:wrap; margin-bottom:26px; }
.filters button{
  font-family:var(--mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase;
  padding:9px 14px; border:1px solid var(--line); background:var(--card); color:var(--muted);
  cursor:pointer; border-radius:var(--r);
}
.filters button[aria-pressed="true"]{ background:var(--ink); color:var(--paper); border-color:var(--ink); }

/* ---------------- steps ---------------- */
.steps{ display:grid; gap:2px; background:var(--line); border:1px solid var(--line); }
@media(min-width:760px){ .steps{ grid-template-columns:repeat(3,1fr); } }
.step{ background:var(--card); padding:24px 20px; display:flex; flex-direction:column; gap:8px; }
.step .n{
  font-family:var(--mono); font-size:.72rem; font-weight:600; letter-spacing:.14em;
  color:var(--foil); border-bottom:1px solid rgba(184,135,59,.35); padding-bottom:8px; margin-bottom:4px;
}
.step h3{ margin:0; font-size:1.05rem; }
.step p{ margin:0; font-size:.87rem; color:var(--muted); }

/* ---------------- forms ---------------- */
.form-card{ background:var(--card); border:1px solid var(--line); padding:26px 22px; box-shadow:var(--shadow); }
.field{ margin-bottom:16px; }
.field label{ display:block; font-size:.84rem; font-weight:600; margin-bottom:6px; }
.field label .req{ color:var(--warn); }
.field .hint{ font-size:.75rem; color:var(--muted); margin-top:5px; }
.field input,.field select,.field textarea{
  width:100%; font-family:var(--body); font-size:.95rem; color:var(--ink);
  padding:11px 13px; border:1px solid var(--line); border-radius:var(--r); background:var(--paper);
}
.field textarea{ min-height:96px; resize:vertical; }
.field-row{ display:grid; gap:16px; }
@media(min-width:640px){ .field-row{ grid-template-columns:1fr 1fr; } }

.drop{
  border:1.5px dashed var(--line); border-radius:var(--r); background:var(--paper);
  padding:28px 18px; text-align:center; cursor:pointer; transition:border-color .15s ease, background .15s ease;
}
.drop:hover,.drop.over{ border-color:var(--press); background:rgba(26,109,102,.05); }
.drop .big{ font-family:var(--display); font-size:1.05rem; color:var(--ink); }
.drop .small{ font-size:.78rem; color:var(--muted); }
.file-list{ list-style:none; margin:12px 0 0; padding:0; }
.file-list li{
  display:flex; justify-content:space-between; gap:10px; align-items:center;
  font-family:var(--mono); font-size:.76rem; padding:8px 10px; background:var(--paper);
  border:1px solid var(--line); margin-bottom:6px;
}
.file-list button{ border:0; background:none; color:var(--warn); cursor:pointer; font-size:.9rem; }

.notice{ padding:12px 14px; border-left:3px solid var(--foil); background:rgba(184,135,59,.09); font-size:.86rem; }
.notice.ok{ border-color:var(--ok); background:rgba(46,125,99,.09); }

/* ---------------- cart ---------------- */
.cart-layout{ display:grid; gap:24px; }
@media(min-width:940px){ .cart-layout{ grid-template-columns:1.5fr 1fr; align-items:start; } }

.cart-line{
  display:grid; grid-template-columns:72px 1fr auto; gap:14px; align-items:center;
  padding:14px 0; border-bottom:1px solid var(--line);
}
.cart-line .thumb{ width:72px; aspect-ratio:1/1; background:var(--kraft); border:1px solid var(--line); object-fit:cover; }
.cart-line .nm{ font-weight:600; font-size:.95rem; }
.cart-line .meta{ font-family:var(--mono); font-size:.72rem; color:var(--muted); }
.qty{ display:inline-flex; border:1px solid var(--line); border-radius:var(--r); overflow:hidden; }
.qty button{ background:var(--paper); border:0; width:30px; height:32px; cursor:pointer; font-size:1rem; color:var(--ink); }
.qty input{ width:52px; border:0; text-align:center; font-family:var(--mono); font-size:.85rem; background:var(--card); color:var(--ink); }
.line-total{ font-family:var(--mono); font-weight:600; text-align:right; min-width:92px; }
.rm{ border:0; background:none; color:var(--warn); cursor:pointer; font-size:.78rem; }

.summary{ background:var(--card); border:1px solid var(--line); padding:22px; position:sticky; top:86px; }
.sum-row{ display:flex; justify-content:space-between; gap:12px; font-size:.9rem; padding:7px 0; }
.sum-row.total{
  font-family:var(--mono); font-size:1.15rem; font-weight:600; color:var(--press);
  border-top:1px solid var(--line); margin-top:8px; padding-top:12px;
}
.sum-row .k{ color:var(--muted); }

.qr-box{ text-align:center; padding:18px; background:var(--paper); border:1px solid var(--line); }
.qr-box img{ margin:0 auto; width:220px; height:220px; background:#fff; padding:8px; border:1px solid var(--line); }
.qr-box .amt{ font-family:var(--mono); font-size:1.4rem; font-weight:600; color:var(--press); margin-top:12px; }

.empty{ text-align:center; padding:56px 20px; color:var(--muted); }
.empty .big{ font-family:var(--display); font-size:1.4rem; color:var(--ink); margin-bottom:8px; }

/* ---------------- LINE float ---------------- */
.line-float{
  position:fixed; right:16px; bottom:16px; z-index:50;
  display:inline-flex; align-items:center; gap:9px;
  background:#06C755; color:#fff; font-weight:600; font-size:.9rem;
  padding:13px 18px; border-radius:40px;
  box-shadow:0 6px 22px -6px rgba(6,199,85,.6);
}
.line-float:hover{ color:#fff; background:#05b04c; }
.line-float svg{ width:20px; height:20px; fill:currentColor; }

/* ---------------- footer ---------------- */
footer.site{ background:var(--ink); color:#B9C7C3; padding:48px 0 28px; margin-top:0; }
footer.site h4{ font-family:var(--display); color:var(--paper); font-size:1rem; margin:0 0 12px; }
footer.site a{ color:#9FE3D6; }
.foot-grid{ display:grid; gap:28px; }
@media(min-width:760px){ .foot-grid{ grid-template-columns:1.4fr 1fr 1fr 1fr; } }
.foot-list{ list-style:none; margin:0; padding:0; font-size:.88rem; }
.foot-list li{ margin-bottom:7px; }
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12); margin-top:34px; padding-top:18px;
  font-family:var(--mono); font-size:.7rem; letter-spacing:.05em; color:#7E8F8B;
  display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap;
}

/* ---------------- toast ---------------- */
.toast{
  position:fixed; left:50%; bottom:26px; transform:translate(-50%,20px);
  background:var(--ink); color:var(--paper); padding:12px 20px; border-radius:var(--r);
  font-size:.88rem; opacity:0; pointer-events:none; transition:opacity .2s ease, transform .2s ease; z-index:60;
  box-shadow:var(--shadow); border-left:3px solid var(--foil);
}
.toast.show{ opacity:1; transform:translate(-50%,0); }

/* ---------------- reveal on scroll ---------------- */
.reveal{ opacity:0; transform:translateY(14px); transition:opacity .5s ease, transform .5s ease; }
.reveal.in{ opacity:1; transform:none; }

/* ---------------- lang visibility ---------------- */
html[data-lang="en"] .only-th{ display:none; }
html[data-lang="th"] .only-en{ display:none; }