/* ===== ห้างหุ้นส่วนจำกัด เอ ไอ อาร์ ===== */
:root{
  --ink:#0d1512;
  --ink-2:#16211c;
  --paper:#faf7f0;
  --paper-2:#ffffff;
  --line:#e4ded0;
  --txt:#1a221e;
  --txt-2:#5d6b63;
  --green:#167a4d;
  --green-2:#2aa96b;
  --green-dk:#0f5537;
  --yellow:#f2c230;
  --orange:#ee7b2b;
  --orange-dk:#d1631a;
  --grad:linear-gradient(100deg,var(--green-2) 0%,var(--yellow) 52%,var(--orange) 100%);
  --r:16px;
  --r-lg:26px;
  --sh:0 1px 2px rgba(13,21,18,.05),0 8px 24px -12px rgba(13,21,18,.18);
  --sh-lg:0 30px 70px -30px rgba(13,21,18,.4);
  --max:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:78px;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--txt);
  font-family:'Anuphan',-apple-system,'Noto Sans Thai','Helvetica Neue',sans-serif;
  font-size:17px;line-height:1.72;font-weight:400;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,video{max-width:100%;display:block}
h1,h2,h3{margin:0;line-height:1.24;font-weight:600;letter-spacing:-.01em}
p{margin:0}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:22px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:200;background:#fff;padding:10px 16px;border-radius:10px}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:6px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:999px;font-weight:600;font-size:16px;
  transition:transform .2s cubic-bezier(.2,.8,.3,1),box-shadow .2s,background .2s,color .2s;
  white-space:nowrap;
}
.btn svg{width:19px;height:19px;flex:none}
.btn:hover{transform:translateY(-2px)}
.btn-lg{padding:15px 30px;font-size:17px}
.btn-call{background:var(--orange);color:#fff;box-shadow:0 10px 26px -12px rgba(238,123,43,.9)}
.btn-call:hover{background:var(--orange-dk);box-shadow:0 16px 34px -14px rgba(238,123,43,.95)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.32);backdrop-filter:blur(8px)}
.btn-ghost:hover{background:rgba(255,255,255,.2)}
.btn-outline{background:transparent;color:var(--green-dk);border:1.5px solid rgba(22,122,77,.32)}
.btn-outline:hover{background:var(--green);color:#fff;border-color:var(--green)}

/* ---------- header ---------- */
.hdr{position:fixed;inset:0 0 auto 0;z-index:90;transition:background .3s,box-shadow .3s,backdrop-filter .3s}
.hdr::after{content:'';position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--grad);opacity:0;transition:opacity .3s}
.hdr.solid{background:rgba(250,247,240,.92);backdrop-filter:blur(14px) saturate(1.5);box-shadow:0 1px 0 rgba(13,21,18,.06)}
.hdr.solid::after{opacity:1}
.hdr-in{display:flex;align-items:center;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:11px;margin-right:auto;color:#fff;transition:color .3s}
.hdr.solid .brand{color:var(--ink)}
.brand-mark{
  width:40px;height:40px;flex:none;border-radius:12px;background:var(--grad);color:#fff;
  display:grid;place-items:center;box-shadow:0 6px 18px -8px rgba(22,122,77,.8);
}
.brand-mark svg{width:26px;height:26px}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-txt b{font-size:19px;font-weight:700;letter-spacing:.01em}
.brand-txt i{font-style:normal;font-size:11.5px;opacity:.62;font-weight:400}
.nav{display:flex;gap:4px}
.nav a{
  padding:9px 15px;border-radius:999px;font-size:16px;font-weight:500;color:rgba(255,255,255,.85);
  transition:background .2s,color .2s;
}
.nav a:hover{background:rgba(255,255,255,.14);color:#fff}
.hdr.solid .nav a{color:var(--txt-2)}
.hdr.solid .nav a:hover{background:rgba(22,122,77,.09);color:var(--green-dk)}
.hdr-call{padding:10px 18px;font-size:15px}
.burger{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;gap:5px;align-items:center;border-radius:12px}
.burger span{display:block;width:21px;height:2px;background:#fff;border-radius:2px;transition:transform .25s,opacity .2s,background .3s}
.hdr.solid .burger span{background:var(--ink)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:min(100svh,880px);display:flex;align-items:center;overflow:hidden;background:var(--ink)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
.hero-veil{
  position:absolute;inset:0;
  background:
    radial-gradient(120% 90% at 12% 15%,rgba(13,21,18,.45),transparent 62%),
    linear-gradient(180deg,rgba(13,21,18,.86) 0%,rgba(13,21,18,.6) 34%,rgba(13,21,18,.82) 78%,var(--paper) 100%);
}
.hero-in{position:relative;z-index:2;color:#fff;padding-block:130px 96px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:14.5px;font-weight:500;letter-spacing:.03em;
  color:rgba(255,255,255,.82);background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);
  padding:7px 16px 7px 13px;border-radius:999px;backdrop-filter:blur(8px);margin-bottom:26px;
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--yellow);box-shadow:0 0 0 4px rgba(242,194,48,.22)}
.hero h1{font-size:clamp(2.5rem,7.6vw,5.1rem);font-weight:700;letter-spacing:-.028em;line-height:1.06}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:inline-block}
.lede{margin-top:24px;font-size:clamp(1rem,2vw,1.2rem);color:rgba(255,255,255,.8);max-width:58ch;font-weight:300;line-height:1.75}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin-top:38px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px 46px;margin-top:56px;padding-top:30px;border-top:1px solid rgba(255,255,255,.16)}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats b{font-size:1.75rem;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.hero-stats span{font-size:14px;color:rgba(255,255,255,.6)}
.scroll-hint{position:absolute;left:50%;bottom:26px;translate:-50% 0;z-index:3;width:26px;height:42px;border:1.5px solid rgba(255,255,255,.3);border-radius:999px;display:grid;place-items:start center;padding-top:8px}
.scroll-hint span{width:4px;height:8px;border-radius:2px;background:var(--yellow);animation:sc 1.8s ease-in-out infinite}
@keyframes sc{0%,100%{transform:translateY(0);opacity:1}50%{transform:translateY(13px);opacity:.25}}

/* ---------- sections ---------- */
.sec{padding-block:clamp(72px,9vw,124px);position:relative}
.sec-light{background:var(--paper)}
.sec-paper{background:linear-gradient(180deg,#f4efe3,#faf7f0)}
.sec-dark{background:var(--ink);color:#fff}
.sec-head{max-width:660px;margin-bottom:clamp(38px,5vw,62px)}
.kicker{
  display:inline-flex;align-items:center;gap:9px;font-size:13.5px;font-weight:600;letter-spacing:.09em;
  text-transform:uppercase;color:var(--green);margin-bottom:14px;
}
.kicker::before{content:'';width:26px;height:3px;border-radius:2px;background:var(--grad)}
.sec-head h2{font-size:clamp(1.85rem,4.3vw,3rem);font-weight:700;letter-spacing:-.022em}
.sec-head .sub{margin-top:16px;color:var(--txt-2);font-size:17px;font-weight:300;line-height:1.75}
.sec-head-dark .kicker{color:var(--yellow)}
.sec-head-dark .sub{color:rgba(255,255,255,.63)}

/* ---------- services ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh);
  transition:transform .35s cubic-bezier(.2,.8,.3,1),box-shadow .35s,border-color .35s;
}
.svc:hover{transform:translateY(-6px);box-shadow:0 26px 50px -26px rgba(13,21,18,.35);border-color:rgba(22,122,77,.28)}
.svc-media{aspect-ratio:16/11;overflow:hidden;background:#eee9dd;position:relative}
.svc-media::after{content:'';position:absolute;inset:auto 0 0 0;height:44%;background:linear-gradient(transparent,rgba(13,21,18,.16))}
.svc-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.8,.3,1)}
.svc:hover .svc-media img{transform:scale(1.06)}
.svc-body{padding:24px 24px 28px;position:relative;flex:1}
.svc-no{
  position:absolute;top:-24px;right:22px;width:48px;height:48px;border-radius:14px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:15px;letter-spacing:.02em;box-shadow:0 10px 22px -10px rgba(13,21,18,.55);
}
.svc h3{font-size:1.2rem;font-weight:600;margin-bottom:9px;padding-right:44px}
.svc p{color:var(--txt-2);font-size:15.5px;font-weight:300;line-height:1.7}
.svc p b{font-weight:600;color:var(--green-dk)}
.svc-wide{grid-column:span 3;flex-direction:row;align-items:stretch}
.svc-wide .svc-media{aspect-ratio:4/3;flex:0 0 46%}
.svc-wide .svc-body{padding:38px 40px;display:flex;flex-direction:column;justify-content:center}
.svc-wide .svc-no{top:38px;right:40px}
.svc-wide h3{font-size:1.55rem}
.svc-wide p{font-size:16.5px;max-width:52ch}

/* ---------- filters + gallery ---------- */
.filters{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:30px}
.chip{
  padding:9px 19px;border-radius:999px;border:1.5px solid var(--line);background:var(--paper-2);
  font-size:15px;font-weight:500;color:var(--txt-2);transition:all .22s;
}
.chip:hover{border-color:rgba(22,122,77,.45);color:var(--green-dk)}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:#fff}

.gal{columns:4;column-gap:16px}
.gitem{
  break-inside:avoid;margin-bottom:16px;position:relative;border-radius:var(--r);overflow:hidden;
  cursor:zoom-in;background:#eee9dd;display:block;width:100%;padding:0;
  box-shadow:0 1px 2px rgba(13,21,18,.06);
  opacity:0;transform:translateY(14px);transition:opacity .5s,transform .5s cubic-bezier(.2,.8,.3,1),box-shadow .3s;
}
.gitem.in{opacity:1;transform:none}
.gitem img{width:100%;height:auto;transition:transform .6s cubic-bezier(.2,.8,.3,1)}
.gitem:hover{box-shadow:0 22px 44px -22px rgba(13,21,18,.5)}
.gitem:hover img{transform:scale(1.045)}
.gcap{
  position:absolute;inset:auto 0 0 0;padding:34px 14px 13px;text-align:left;
  background:linear-gradient(transparent,rgba(13,21,18,.86));
  color:#fff;font-size:14px;font-weight:500;line-height:1.4;
  opacity:0;transform:translateY(8px);transition:opacity .3s,transform .3s;
}
.gitem:hover .gcap,.gitem:focus-visible .gcap{opacity:1;transform:none}
.gcap small{display:block;font-weight:400;font-size:12px;opacity:.7;margin-top:2px}
.more-wrap{display:flex;justify-content:center;margin-top:34px}

/* ---------- videos ---------- */
.vid-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.vid{margin:0;border-radius:var(--r-lg);overflow:hidden;background:var(--ink-2);border:1px solid rgba(255,255,255,.09);grid-column:span 2;display:flex;flex-direction:column}
.vid-lg{grid-column:span 3}
.vid video{width:100%;aspect-ratio:16/9;object-fit:cover;background:#000}
.vid figcaption{padding:16px 20px 20px;margin-top:auto;display:flex;flex-direction:column;gap:3px}
.vid figcaption b{font-size:16.5px;font-weight:600}
.vid figcaption span{font-size:14px;color:rgba(255,255,255,.55);font-weight:300}
.vid:nth-child(2){grid-column:span 3}

/* ---------- why ---------- */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.why{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px 32px;box-shadow:var(--sh);transition:transform .3s,box-shadow .3s}
.why:hover{transform:translateY(-5px);box-shadow:0 24px 46px -24px rgba(13,21,18,.32)}
.why-ic{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;margin-bottom:18px}
.why-ic svg{width:26px;height:26px}
.ic-g{background:rgba(22,122,77,.11);color:var(--green)}
.ic-y{background:rgba(242,194,48,.16);color:#b98d05}
.ic-o{background:rgba(238,123,43,.13);color:var(--orange-dk)}
.why h3{font-size:1.13rem;margin-bottom:8px}
.why p{font-size:15.5px;color:var(--txt-2);font-weight:300;line-height:1.7}

/* ---------- contact ---------- */
.sec-cta{background:var(--ink);color:#fff;overflow:hidden}
.sec-cta::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(70% 100% at 88% 8%,rgba(238,123,43,.2),transparent 60%),radial-gradient(60% 90% at 6% 96%,rgba(22,122,77,.28),transparent 62%);
}
.cta-in{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.cta-left .kicker{color:var(--yellow)}
.cta-left h2{font-size:clamp(1.8rem,4vw,2.75rem);font-weight:700;letter-spacing:-.022em}
.cta-left .sub{margin-top:16px;color:rgba(255,255,255,.66);font-weight:300}
.cta-right{display:flex;flex-direction:column;gap:14px}
.ctc{
  display:flex;align-items:center;gap:17px;padding:20px 24px;border-radius:20px;
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.14);
  transition:transform .25s cubic-bezier(.2,.8,.3,1),background .25s,border-color .25s;
}
.ctc:hover{transform:translateX(6px);background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.28)}
.ctc-ic{width:52px;height:52px;flex:none;border-radius:16px;display:grid;place-items:center;color:#fff}
.ctc-ic svg{width:25px;height:25px}
.ctc-call .ctc-ic{background:var(--orange);box-shadow:0 12px 26px -12px rgba(238,123,43,.9)}
.ctc-fb .ctc-ic{background:var(--green);box-shadow:0 12px 26px -12px rgba(22,122,77,.9)}
.ctc-tx{display:flex;flex-direction:column;line-height:1.35;margin-right:auto}
.ctc-tx i{font-style:normal;font-size:13px;color:rgba(255,255,255,.5);letter-spacing:.04em}
.ctc-tx b{font-size:1.28rem;font-weight:700;letter-spacing:.005em}
.ctc-fb .ctc-tx b{font-size:1.05rem;font-weight:600}
.ctc-go{font-size:22px;color:rgba(255,255,255,.35);transition:color .25s,transform .25s}
.ctc:hover .ctc-go{color:var(--yellow);transform:translateX(4px)}

/* ---------- footer ---------- */
.ftr{background:#0a100d;color:rgba(255,255,255,.7);padding-block:44px 0;font-size:15px}
.ftr-in{display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;padding-bottom:30px}
.ftr-brand{display:flex;align-items:center;gap:13px}
.ftr-brand b{display:block;color:#fff;font-size:16.5px;font-weight:600}
.ftr-brand span{font-size:13.5px;color:rgba(255,255,255,.45);font-weight:300}
.ftr-links{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:15px}
.ftr-links a{color:rgba(255,255,255,.62);transition:color .2s}
.ftr-links a:hover{color:var(--yellow)}
.ftr-btm{border-top:1px solid rgba(255,255,255,.09);padding-block:18px 22px;font-size:13px;color:rgba(255,255,255,.35)}

/* ---------- fab ---------- */
.fab{
  position:fixed;right:16px;bottom:16px;z-index:80;display:none;align-items:center;gap:9px;
  padding:13px 20px;border-radius:999px;background:var(--orange);color:#fff;font-weight:600;font-size:16px;
  box-shadow:0 14px 30px -12px rgba(238,123,43,.95);
}
.fab svg{width:20px;height:20px}

/* ---------- lightbox ---------- */
.lb{position:fixed;inset:0;z-index:120;background:rgba(8,13,11,.94);backdrop-filter:blur(6px);display:grid;place-items:center;padding:22px;opacity:0;transition:opacity .25s}
.lb.on{opacity:1}
.lb-fig{margin:0;max-width:100%;max-height:100%;display:flex;flex-direction:column;align-items:center;gap:14px}
.lb-fig img{max-width:min(1200px,92vw);max-height:80svh;width:auto;border-radius:12px;box-shadow:var(--sh-lg)}
.lb-fig figcaption{color:rgba(255,255,255,.78);font-size:15px;text-align:center;max-width:60ch}
.lb-x{position:absolute;top:14px;right:18px;width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;font-size:30px;line-height:1;display:grid;place-items:center;transition:background .2s}
.lb-x:hover{background:rgba(255,255,255,.22)}
.lb-nav{position:absolute;top:50%;translate:0 -50%;width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;font-size:32px;line-height:1;display:grid;place-items:center;transition:background .2s}
.lb-nav:hover{background:rgba(255,255,255,.22)}
.lb-prev{left:16px}.lb-next{right:16px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.8,.3,1),transform .7s cubic-bezier(.2,.8,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1040px){
  .gal{columns:3}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .svc-wide{grid-column:span 2}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .vid-grid{grid-template-columns:repeat(4,1fr)}
  .vid,.vid-lg,.vid:nth-child(2){grid-column:span 2}
}
@media (max-width:820px){
  html{scroll-padding-top:70px}
  .nav{
    position:fixed;inset:64px 12px auto 12px;flex-direction:column;gap:2px;
    background:rgba(250,247,240,.97);backdrop-filter:blur(18px);border:1px solid var(--line);
    border-radius:20px;padding:12px;box-shadow:var(--sh-lg);
    opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .28s cubic-bezier(.2,.8,.3,1);
  }
  .nav.open{opacity:1;visibility:visible;transform:none}
  .nav a,.hdr.solid .nav a{color:var(--txt);padding:13px 16px;border-radius:13px;font-size:17px}
  .burger{display:flex}
  .hdr-call span{display:none}
  .hdr-call{padding:11px;border-radius:50%}
  .hdr-call svg{width:20px;height:20px}
  .hero-in{padding-block:112px 84px}
  .cta-in{grid-template-columns:1fr;gap:34px}
  .svc-wide{flex-direction:column}
  .svc-wide .svc-media{flex:none;aspect-ratio:16/9;width:100%}
  .svc-wide .svc-body{padding:26px 24px 30px}
  .svc-wide .svc-no{top:-24px;right:22px}
  .svc-wide h3{font-size:1.3rem}
  .svc-wide p{font-size:15.5px}
  .fab{display:flex}
  .ftr{padding-bottom:74px}
  .lb-nav{width:44px;height:44px;font-size:26px}
  .lb-prev{left:8px}.lb-next{right:8px}
}
@media (max-width:620px){
  body{font-size:16px}
  .wrap{padding-inline:18px}
  .gal{columns:2;column-gap:12px}
  .gitem{margin-bottom:12px;border-radius:13px}
  .gcap{opacity:1;transform:none;font-size:12.5px;padding:26px 10px 10px}
  .gcap small{display:none}
  .svc-grid{grid-template-columns:1fr}
  .svc-wide{grid-column:span 1}
  .why-grid{grid-template-columns:1fr}
  .vid-grid{grid-template-columns:1fr}
  .vid,.vid-lg,.vid:nth-child(2){grid-column:span 1}
  .hero-stats{gap:16px 30px}
  .hero-stats b{font-size:1.4rem}
  .btn-lg{padding:14px 24px;font-size:16px}
  .hero-cta .btn{flex:1 1 100%}
  .ctc{padding:17px 18px;gap:14px}
  .ctc-ic{width:46px;height:46px;border-radius:14px}
  .ctc-tx b{font-size:1.15rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal,.gitem{opacity:1;transform:none}
}