/* ============ Creative Photography — CMU ============ */
:root{
  --red:#ED1C24;
  --red-deep:#C70F16;
  --black:#0B0B0C;
  --ink:#141416;
  --panel:#161618;
  --panel-2:#1D1D20;
  --cream:#F1EFEC;
  --cream-2:#E7E4DF;
  --line-d:rgba(255,255,255,.12);
  --line-l:rgba(0,0,0,.12);
  --muted-d:#8A8A8E;
  --muted-l:#6E6B66;
  --f-disp:"Archivo",sans-serif;
  --f-thai:"IBM Plex Sans Thai",sans-serif;
  --f-thai-d:"IBM Plex Sans Thai",sans-serif;
  --f-mono:"JetBrains Mono",monospace;
  --maxw:1320px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--black);
  color:#fff;
  font-family:var(--f-thai);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 48px}
.eyebrow{
  font-family:var(--f-mono);
  font-size:12px;letter-spacing:.32em;text-transform:uppercase;
  color:var(--red);font-weight:500;
  display:inline-flex;align-items:center;gap:12px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--red)}

.section-pad{padding:120px 0}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:34px;
  font-family:var(--f-thai);font-weight:600;font-size:15px;
  padding:16px 24px;transition:.25s ease;
  white-space:nowrap;
}
.btn .arw{transition:transform .25s ease}
.btn:hover .arw{transform:translateX(6px)}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-deep)}
.btn-ghost{border:1px solid rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.btn-line-dark{border:1px solid var(--line-l);color:var(--ink)}
.btn-line-dark:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000}

/* ===== Nav ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:26px 48px;
  transition:background .3s ease,padding .3s ease,border-color .3s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{background:rgba(11,11,12,.92);backdrop-filter:blur(10px);padding:16px 48px;border-color:var(--line-d)}
.logo{line-height:.92;letter-spacing:.02em}
.logo b{display:block;font-family:var(--f-disp);font-weight:800;font-size:19px}
.logo .l1{color:var(--red)}
.logo .l2{color:#fff}
.logo small{display:block;font-family:var(--f-mono);font-size:8px;letter-spacing:.34em;color:var(--muted-d);margin-top:4px}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{font-family:var(--f-disp);font-size:12.5px;font-weight:600;letter-spacing:.08em;color:rgba(255,255,255,.82);transition:color .2s;position:relative;padding:4px 0;white-space:nowrap}
.nav-links a:hover{color:#fff}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--red);transition:width .25s}
.nav-links a:hover::after{width:100%}
.nav-right{display:flex;align-items:center;gap:22px}
.lang{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;display:flex;gap:8px;align-items:center}
.lang button{color:var(--muted-d);transition:color .2s;font-family:inherit;font-size:inherit}
.lang button.on{color:#fff}
.lang .sep{color:var(--red)}
.burger{display:none;flex-direction:column;gap:5px;width:26px;position:relative;z-index:95;cursor:pointer;background:none;border:0;padding:0}
.burger span{height:1.6px;background:#fff;width:100%;transition:transform .35s,opacity .25s,width .3s;transform-origin:center}
.burger:hover span:nth-child(2){width:60%}
.logo,.nav-right{position:relative;z-index:95}

/* ===== Hero ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;background:#000}
.hero-img{position:absolute;inset:0;z-index:0}
.hero-img img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.05)}
.hero-img::after{content:"";position:absolute;inset:0;background:
  linear-gradient(100deg,rgba(0,0,0,.92) 0%,rgba(0,0,0,.55) 38%,rgba(0,0,0,.15) 60%,rgba(0,0,0,.45) 100%),
  linear-gradient(to top,rgba(0,0,0,.85),transparent 30%)}
.hero-A{position:absolute;right:-2%;top:0;bottom:0;width:46%;z-index:1;pointer-events:none}
.hero-A svg{width:100%;height:100%}
.hero-inner{position:relative;z-index:3;width:100%;max-width:var(--maxw);margin:0 auto;padding:0 48px}
.hero h1{
  font-family:var(--f-disp);font-weight:800;
  font-size:clamp(48px,7.4vw,108px);line-height:.92;letter-spacing:.01em;
  text-transform:uppercase;color:#fff;
}
.hero h1 .red{color:var(--red)}
.hero .uni{
  font-family:var(--f-disp);font-weight:600;letter-spacing:.34em;
  font-size:clamp(14px,1.5vw,21px);color:rgba(255,255,255,.7);
  margin-top:22px;text-transform:uppercase;
}
.hero .tag{
  font-family:var(--f-thai);font-weight:300;font-size:20px;line-height:1.5;
  color:rgba(255,255,255,.82);margin-top:26px;
}
.hero-cta{display:flex;gap:18px;margin-top:40px;flex-wrap:wrap}
.vert-text{
  position:absolute;left:30px;top:50%;transform:translateY(-50%) rotate(180deg);
  writing-mode:vertical-rl;font-family:var(--f-mono);font-size:11px;letter-spacing:.45em;
  color:var(--muted-d);text-transform:uppercase;z-index:3;
}
.hero-slider{
  position:absolute;right:48px;top:50%;transform:translateY(-50%);z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:16px;
  font-family:var(--f-mono);font-size:12px;color:rgba(255,255,255,.85);
}
.hero-slider .bar{width:1px;height:120px;background:rgba(255,255,255,.25);position:relative}
.hero-slider .bar::before{content:"";position:absolute;top:0;left:0;width:100%;height:34%;background:var(--red)}
.hero-slider .dim{color:var(--muted-d)}
.scroll-ind{
  position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:12px;
  font-family:var(--f-mono);font-size:10px;letter-spacing:.34em;color:rgba(255,255,255,.7);
}
.scroll-ind .circle{width:38px;height:38px;border:1px solid rgba(255,255,255,.4);border-radius:50%;display:grid;place-items:center;animation:bob 1.8s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(6px)}}

/* ===== About ===== */
.about{background:var(--cream);color:var(--ink)}
.about-grid{display:grid;grid-template-columns:1.05fr 1.15fr .9fr;gap:46px;align-items:start}
.about h2{font-family:var(--f-thai-d);font-weight:600;font-size:30px;line-height:1.25;margin:22px 0 24px;color:var(--ink)}
.about p{font-size:15.5px;line-height:1.95;color:var(--muted-l)}
.about .read{margin-top:34px}
.about-mid{position:relative}
.about-mid .redblock{position:absolute;left:-26px;bottom:-26px;width:120px;height:190px;background:var(--red);z-index:0}
.about-mid img{position:relative;z-index:1;width:100%;height:430px;object-fit:cover;filter:grayscale(1) contrast(1.05)}
.about-right{display:flex;flex-direction:column;gap:8px}
.about-right .studio{width:100%;height:120px;object-fit:cover;filter:grayscale(1);margin-bottom:14px;order:2;margin-top:10px}
.stats{display:flex;flex-direction:column;gap:22px}
.stat .n{font-family:var(--f-disp);font-weight:800;font-size:46px;color:var(--red);line-height:1}
.stat .t{font-size:14px;color:var(--muted-l);line-height:1.45;margin-top:6px}
.stat{border-bottom:1px solid var(--line-l);padding-bottom:20px}
.stat:last-child{border-bottom:none}

/* ===== Why ===== */
.why{background:var(--ink)}
.why-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:44px}
.why-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.why-card{background:var(--panel);border:1px solid var(--line-d);overflow:hidden;display:flex;flex-direction:column;transition:.3s;position:relative}
.why-card:hover{transform:translateY(-6px);border-color:rgba(237,28,36,.5)}
.why-card .ph{height:120px;position:relative;overflow:hidden}
.why-card .ph img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) brightness(.7);transition:.4s}
.why-card:hover .ph img{transform:scale(1.06);filter:grayscale(1) brightness(.85)}
.why-card .ico{position:absolute;inset:0;display:grid;place-items:center}
.why-card .ico span{width:46px;height:46px;border:1px solid rgba(255,255,255,.5);border-radius:50%;display:grid;place-items:center;background:rgba(0,0,0,.3)}
.why-card .body{padding:20px 18px 18px;flex:1;display:flex;flex-direction:column}
.why-card .num{font-family:var(--f-mono);color:var(--red);font-size:13px;font-weight:700}
.why-card h3{font-family:var(--f-disp);font-weight:700;font-size:16px;letter-spacing:.02em;margin:9px 0 8px;text-transform:uppercase}
.why-card .sub{font-size:12.5px;color:var(--muted-d);line-height:1.5;flex:1}
.why-card .arw-b{margin-top:18px;color:rgba(255,255,255,.55);transition:.25s}
.why-card:hover .arw-b{color:var(--red);transform:translateX(5px)}

/* ===== Admission ===== */
.adm{background:var(--cream);color:var(--ink)}
.adm h2{font-family:var(--f-disp);font-weight:800;font-size:44px;margin:18px 0 14px;letter-spacing:.01em}
.adm-intro{font-size:15px;color:var(--muted-l);margin-bottom:50px;font-family:var(--f-thai)}
.adm-grid{display:grid;grid-template-columns:1.55fr 1fr .55fr;gap:40px;align-items:stretch}
.timeline{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.timeline::before{content:"";position:absolute;top:26px;left:9%;right:9%;border-top:1.5px dashed rgba(0,0,0,.25);z-index:0}
.tl-step{position:relative;z-index:1}
.tl-step .dot{width:54px;height:54px;border-radius:50%;border:1.5px solid rgba(0,0,0,.3);background:var(--cream);display:grid;place-items:center;margin-bottom:20px;transition:.25s}
.tl-step:hover .dot{border-color:var(--red);background:var(--red);color:#fff}
.tl-step .rnd{font-family:var(--f-mono);font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--red);text-transform:uppercase}
.tl-step .rname{font-family:var(--f-disp);font-weight:800;font-size:20px;letter-spacing:.02em;margin:6px 0 9px;color:var(--ink)}
.tl-step .rsub{font-size:12.5px;line-height:1.6;color:var(--muted-l);margin-bottom:12px}
.tl-step .date{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.04em;color:var(--ink);font-weight:500;display:inline-flex;align-items:center;gap:8px}
.tl-step .date::before{content:"";width:8px;height:8px;background:var(--red);border-radius:50%;flex:none}
.adm-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.adm-card{padding:30px 24px;display:flex;flex-direction:column;justify-content:space-between;min-height:200px;transition:.25s}
.adm-card .ic{margin-bottom:auto}
.adm-card h4{font-family:var(--f-disp);font-weight:700;font-size:17px;text-transform:uppercase;margin-top:24px;line-height:1.25}
.adm-card .lab{font-family:var(--f-mono);font-size:11px;letter-spacing:.16em;margin-top:8px;display:flex;align-items:center;gap:10px}
.adm-card.red{background:var(--red);color:#fff}
.adm-card.red:hover{background:var(--red-deep)}
.adm-card.dark{background:var(--ink);color:#fff}
.adm-card.dark:hover{background:#000}
.adm-photo img{width:100%;height:100%;min-height:228px;object-fit:cover;filter:grayscale(1) contrast(1.05)}

/* ===== Student Works ===== */
.sw{background:var(--black)}
.sw-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:26px}
.sw h2{font-family:var(--f-thai-d);font-weight:600;font-size:30px;margin-top:18px}
.sw-filters{display:flex;gap:26px;align-items:center;margin-bottom:34px;border-bottom:1px solid var(--line-d);padding-bottom:18px;justify-content:space-between}
.sw-tabs{display:flex;gap:26px;flex-wrap:wrap}
.sw-tabs button{font-family:var(--f-disp);font-size:12.5px;font-weight:600;letter-spacing:.1em;color:var(--muted-d);text-transform:uppercase;transition:.2s;position:relative;padding-bottom:4px}
.sw-tabs button.on,.sw-tabs button:hover{color:var(--red)}
.sw-tabs button.on::after{content:"";position:absolute;left:0;bottom:-19px;height:2px;width:100%;background:var(--red)}
.sw-view{font-family:var(--f-mono);font-size:11px;letter-spacing:.18em;color:#fff;display:flex;align-items:center;gap:10px;white-space:nowrap}
.sw-rail{position:relative}
.sw-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.work{cursor:pointer}
.work .img{height:240px;overflow:hidden;position:relative}
.work .img img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.05);transition:.5s}
.work:hover .img img{transform:scale(1.06);filter:grayscale(.2) contrast(1.05)}
.work .img::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.55),transparent 45%)}
.work h4{font-family:var(--f-thai-d);font-weight:500;font-size:14.5px;margin:14px 0 5px}
.work h4.en{font-family:var(--f-disp);font-weight:700;text-transform:uppercase;letter-spacing:.02em}
.work .name{font-size:12.5px;color:var(--muted-d)}
.work .yr{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.14em;color:var(--red);margin-top:4px}
.sw-view:hover{color:var(--red)}
.sw-view{transition:color .2s}

/* ===== News cards ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ncard{background:var(--panel);border:1px solid var(--line-d);overflow:hidden;display:flex;flex-direction:column;transition:.3s;cursor:pointer;text-decoration:none;color:inherit}
.ncard:hover{transform:translateY(-6px);border-color:rgba(237,28,36,.5)}
.ncard .nimg{height:208px;overflow:hidden;position:relative}
.ncard .nimg img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.05);transition:.5s}
.ncard:hover .nimg img{transform:scale(1.06);filter:grayscale(.25) contrast(1.05)}
.ncard .ncat{position:absolute;top:14px;left:14px;background:var(--red);color:#fff;font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;padding:6px 12px;text-transform:uppercase}
.ncard .nbody{padding:24px 24px 26px;flex:1;display:flex;flex-direction:column}
.ncard .ndate{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;color:var(--muted-d);display:flex;align-items:center;gap:8px;margin-bottom:13px}
.ncard h3{font-family:var(--f-thai);font-weight:600;font-size:18px;line-height:1.42;color:#fff;margin-bottom:11px;text-wrap:pretty}
.ncard p{font-size:13px;line-height:1.75;color:var(--muted-d);flex:1;text-wrap:pretty}
.ncard .nmore{margin-top:20px;font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;color:var(--red);display:flex;align-items:center;gap:8px;transition:gap .25s}
.ncard:hover .nmore{gap:14px}

/* ===== Exhibition ===== */
.exh{background:var(--cream);color:var(--ink);position:relative;overflow:hidden}
.exh-A{position:absolute;right:-4%;bottom:-10%;width:30%;opacity:.9;z-index:0;pointer-events:none}
.exh-grid{display:grid;grid-template-columns:.95fr 1.25fr .9fr;gap:44px;align-items:center;position:relative;z-index:1}
.exh h2{font-family:var(--f-disp);font-weight:800;font-size:46px;line-height:1;margin:20px 0 24px;letter-spacing:.01em}
.exh p{font-size:15px;line-height:1.9;color:var(--muted-l);margin-bottom:34px}
.laptop{position:relative}
.laptop .screen{background:#111;border-radius:14px 14px 0 0;padding:12px 12px 0;border:2px solid #2a2a2a}
.laptop .screen img{width:100%;height:262px;object-fit:cover;border-radius:4px}
.laptop .base{height:14px;background:linear-gradient(#cfcdca,#a9a6a2);border-radius:0 0 12px 12px;position:relative}
.laptop .base::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:90px;height:6px;background:#8e8b87;border-radius:0 0 8px 8px}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:30px 26px}
.feat-item{display:flex;gap:14px;align-items:flex-start}
.feat-item .fi{width:38px;height:38px;flex:none;display:grid;place-items:center;color:var(--red)}
.feat-item h5{font-family:var(--f-disp);font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.04em}
.feat-item p{font-size:12.5px;color:var(--muted-l);margin:6px 0 0;line-height:1.5}

/* ===== Footer ===== */
.footer{background:var(--black);padding:80px 0 36px;border-top:1px solid var(--line-d)}
.foot-grid{display:grid;grid-template-columns:1.4fr .9fr .9fr .9fr 1fr;gap:36px}
.foot-logo b{display:block;font-family:var(--f-disp);font-weight:800;font-size:22px;line-height:.95}
.foot-logo .l1{color:var(--red)}
.foot-logo small{display:block;font-family:var(--f-mono);font-size:8px;letter-spacing:.3em;color:var(--muted-d);margin-top:5px}
.foot-dept{font-family:var(--f-thai);font-size:13px;color:rgba(255,255,255,.78);margin-top:22px;line-height:1.7}
.foot-contact{font-size:12.5px;color:var(--muted-d);margin-top:16px;line-height:1.85;font-family:var(--f-thai)}
.foot-col h6{font-family:var(--f-disp);font-size:12px;letter-spacing:.18em;color:#fff;text-transform:uppercase;margin-bottom:20px}
.foot-col a{display:block;font-size:13px;color:var(--muted-d);margin-bottom:13px;transition:.2s}
.foot-col a:hover{color:var(--red);transform:translateX(3px)}
.social{display:flex;gap:10px;margin-top:4px}
.social a{width:38px;height:38px;border:1px solid var(--line-d);border-radius:50%;display:grid;place-items:center;color:rgba(255,255,255,.7);transition:.25s}
.social a:hover{background:var(--red);border-color:var(--red);color:#fff}
.foot-bottom{margin-top:60px;padding-top:24px;border-top:1px solid var(--line-d);display:flex;align-items:center;justify-content:space-between;gap:16px;font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;color:var(--muted-d);flex-wrap:wrap}
.foot-admin{display:inline-flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;color:var(--muted-d);background:none;border:none;cursor:pointer;transition:color .2s;text-transform:uppercase}
.foot-admin svg{width:14px;height:14px}
.foot-admin:hover{color:var(--red)}

/* ===== reveal ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media(max-width:1080px){
  /* ---- mobile nav: burger + fullscreen drawer ---- */
  .burger{display:flex}
  /* ตอนเมนูเปิด: ห้าม nav มี backdrop-filter/transform เพราะจะทำให้ fixed
     drawer อ้างอิง nav แทน viewport (drawer จะไม่เต็มจอ) */
  .nav.menu-open,.nav.menu-open.scrolled{
    background:transparent!important;border-color:transparent!important;
    backdrop-filter:none!important;-webkit-backdrop-filter:none!important;
  }
  .nav-links{
    display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:6px;
    position:fixed;inset:0;z-index:90;
    background:rgba(11,11,12,.97);backdrop-filter:blur(20px) saturate(1.3);-webkit-backdrop-filter:blur(20px) saturate(1.3);
    padding:120px 40px 48px;
    transform:translateX(100%);transition:transform .5s cubic-bezier(.76,0,.24,1);
    pointer-events:none;overflow-y:auto;
  }
  .nav.menu-open .nav-links{transform:none;pointer-events:auto}
  .nav-links a{
    font-family:var(--f-disp);font-size:28px;font-weight:700;letter-spacing:.02em;
    color:#fff;padding:14px 0;white-space:normal;
    opacity:0;transform:translateX(26px);
    transition:opacity .45s ease,transform .45s ease,color .2s;
  }
  .nav-links a::after{bottom:8px;height:2px}
  .nav.menu-open .nav-links a{opacity:1;transform:none}
  .nav.menu-open .nav-links a:nth-child(1){transition-delay:.14s}
  .nav.menu-open .nav-links a:nth-child(2){transition-delay:.20s}
  .nav.menu-open .nav-links a:nth-child(3){transition-delay:.26s}
  .nav.menu-open .nav-links a:nth-child(4){transition-delay:.32s}
  .nav.menu-open .nav-links a:nth-child(5){transition-delay:.38s}
  .nav.menu-open .nav-links a:nth-child(6){transition-delay:.44s}
  .nav.menu-open .nav-links a:nth-child(7){transition-delay:.50s}
  .nav.menu-open .nav-links a:nth-child(8){transition-delay:.56s}
  .nav.menu-open .nav-links a:nth-child(9){transition-delay:.62s}
  /* burger → X */
  .nav.menu-open .burger span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
  .nav.menu-open .burger span:nth-child(2){opacity:0}
  .nav.menu-open .burger span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}
  body.nav-locked{overflow:hidden}

  .about-grid{grid-template-columns:1fr;gap:40px}
  .why-grid{grid-template-columns:repeat(3,1fr)}
  .adm-grid{grid-template-columns:1fr}
  .adm-photo{display:none}
  .sw-grid{grid-template-columns:repeat(3,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .exh-grid{grid-template-columns:1fr;gap:34px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero-slider{display:none}
}
@media(max-width:640px){
  .wrap{padding:0 22px}
  .nav,.nav.scrolled{padding:16px 22px}
  .section-pad{padding:74px 0}
  .why-grid,.sw-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr}
  .feat{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-cta{flex-direction:column;align-items:flex-start}
  .vert-text{display:none}
  .adm-cards{grid-template-columns:1fr}
}