/* ===== Matsumoto Academy — stylesheet กลางของหน้ารายละเอียดคอร์ส =====
   ใช้ token ชุดเดียวกับ index.html เพื่อให้หน้าตาต่อเนื่องกัน */
:root{
  --burgundy:#6E2A33; --burgundy-deep:#46161c; --cream:#FBF6EC; --paper:#FCFAF3;
  --gold:#C49A52; --gold-soft:#E0C893; --ink:#221d19; --ink-soft:#7a6e60;
  --line:#E7DAC2; --dark:#1c1512; --dark2:#241a16;
  --serif:'Noto Serif Thai',serif; --sans:'Noto Sans Thai','Segoe UI',sans-serif;
  --display:'Cormorant Garamond',serif;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--sans);background:var(--cream);color:var(--ink);line-height:1.75;overflow-x:hidden;}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px;}
.narrow{max-width:860px;}
.eyebrow{font-size:.78rem;letter-spacing:4px;text-transform:uppercase;color:var(--gold);font-weight:600;margin-bottom:14px;}
h2.title{font-family:var(--serif);font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:700;color:var(--burgundy);line-height:1.2;}
h3.sub{font-family:var(--serif);font-size:1.25rem;color:var(--burgundy);font-weight:600;}
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:1rem;padding:14px 30px;border-radius:2px;cursor:pointer;transition:.25s;border:1px solid transparent;}
.btn-gold{background:var(--gold);color:#2a1d10;}
.btn-gold:hover{background:var(--gold-soft);transform:translateY(-2px);box-shadow:0 10px 26px rgba(196,154,82,.35);}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-outline:hover{background:rgba(255,255,255,.14);border-color:#fff;}
.btn-burg{background:var(--burgundy);color:#fff;}
.btn-burg:hover{background:var(--burgundy-deep);transform:translateY(-2px);box-shadow:0 10px 26px rgba(110,42,51,.3);}
.shimmer{position:relative;overflow:hidden;}
.shimmer::after{content:'';position:absolute;top:-50%;left:-130%;width:60%;height:200%;background:linear-gradient(105deg,transparent 35%,rgba(255,255,255,.55) 50%,transparent 65%);pointer-events:none;}
.shimmer:hover::after{animation:shine .55s ease forwards;}
@keyframes shine{to{left:130%;}}

/* ===== TOPBAR + NAV ===== */
.topbar{position:fixed;top:0;left:0;right:0;height:40px;z-index:120;display:flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(90deg,#143049,#1a3a52 45%,#24506f);color:#fff;font-size:.86rem;box-shadow:0 2px 12px rgba(0,0,0,.22);}
.topbar b{color:#ffd9a8;}
.topbar .tb-go{background:#e98a2b;color:#fff;padding:3px 12px;border-radius:20px;font-size:.78rem;font-weight:700;transition:.2s;}
.topbar:hover .tb-go{background:#ff9d44;transform:translateX(2px);}
@media(max-width:560px){.topbar{font-size:.76rem;gap:5px;}.topbar .tb-hide{display:none;}}
nav{position:fixed;top:40px;left:0;right:0;z-index:100;padding:14px 0;transition:.35s;background:rgba(252,250,243,.96);box-shadow:0 1px 18px rgba(80,40,30,.1);backdrop-filter:blur(8px);}
nav .bar{display:flex;align-items:center;justify-content:space-between;}
nav .logo{font-family:var(--serif);font-size:1.3rem;font-weight:700;color:var(--burgundy);display:flex;align-items:center;gap:9px;}
nav .logo .k{color:var(--gold);}
nav .links{display:flex;align-items:center;gap:26px;}
nav .links a{font-size:.92rem;font-weight:500;color:var(--ink);transition:.2s;}
nav .links a:hover{color:var(--burgundy);}
nav .navcta{background:var(--burgundy);color:#fff!important;padding:9px 20px;border-radius:2px;font-weight:600;}
nav .navcta:hover{background:var(--burgundy-deep);}
.burger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:6px;}
.burger span{width:24px;height:2px;background:var(--burgundy);display:block;}
@media(max-width:900px){
  .burger{display:flex;}
  nav .links{position:absolute;top:100%;left:0;right:0;background:var(--paper);flex-direction:column;gap:0;padding:0;max-height:0;overflow:hidden;transition:.3s;box-shadow:0 14px 24px rgba(80,40,30,.12);}
  nav .links.open{max-height:420px;padding:10px 0 18px;}
  nav .links a{padding:12px 28px;width:100%;}
  nav .navcta{margin:8px 28px;text-align:center;justify-content:center;}
}

/* ===== HERO ของหน้าคอร์ส ===== */
.chero{position:relative;min-height:clamp(420px,64vh,620px);display:flex;align-items:flex-end;color:#fff;margin-top:40px;overflow:hidden;}
.chero .bg{position:absolute;inset:0;}
.chero .bg img{width:100%;height:100%;object-fit:cover;}
.chero .bg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,10,8,.55) 0%,rgba(20,10,8,.25) 35%,rgba(20,10,8,.88) 100%);}
.chero .inner{position:relative;z-index:2;width:100%;padding:120px 0 52px;}
.crumb{font-size:.85rem;color:rgba(255,255,255,.72);margin-bottom:18px;}
.crumb a:hover{color:var(--gold-soft);}
.chero .no{font-family:var(--display);font-size:3.4rem;line-height:1;color:var(--gold);opacity:.85;}
.chero h1{font-family:var(--serif);font-size:clamp(2rem,5vw,3.3rem);font-weight:700;line-height:1.14;margin:6px 0 12px;text-shadow:0 3px 22px rgba(0,0,0,.4);}
.chero .tag{font-size:1.06rem;color:rgba(255,255,255,.9);max-width:62ch;}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.pill{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);backdrop-filter:blur(5px);padding:7px 16px;border-radius:30px;font-size:.88rem;font-weight:500;}
.pill.gold{background:var(--gold);color:#2a1d10;border-color:var(--gold);font-weight:700;}
.chero .cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}

/* ===== แถบข้อเท็จจริง ===== */
.facts{background:var(--burgundy);color:#fff;}
.facts .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.16);}
.facts .f{background:var(--burgundy);padding:22px 20px;text-align:center;}
.facts .f .l{font-size:.76rem;letter-spacing:2.5px;text-transform:uppercase;color:var(--gold-soft);margin-bottom:6px;}
.facts .f .v{font-family:var(--serif);font-size:1.25rem;font-weight:600;line-height:1.35;}
@media(max-width:760px){.facts .grid{grid-template-columns:repeat(2,1fr);}}

/* ===== บล็อกเนื้อหา ===== */
.csec{padding:78px 0;}
.csec.alt{background:var(--paper);}
.csec .head{margin-bottom:38px;}
.lead{font-size:1.1rem;color:var(--ink-soft);}
.lead.big{font-size:1.18rem;color:var(--ink);line-height:1.85;}
.lead + .lead{margin-top:16px;}

/* กล่องเน้น */
.box{border-left:3px solid var(--gold);background:var(--paper);padding:20px 24px;border-radius:0 6px 6px 0;margin-top:24px;}
.box.warn{border-left-color:#c2703c;background:#fdf4ec;}
.box .bt{font-weight:700;color:var(--burgundy);margin-bottom:5px;}
.csec.alt .box{background:#fff;}

/* เหมาะกับใคร */
.who{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;}
.who .w{background:#fff;border:1px solid var(--line);border-radius:8px;padding:24px;transition:.25s;}
.who .w:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(110,42,51,.09);}
.who .w .ic{font-size:1.7rem;margin-bottom:10px;}
.who .w h4{font-family:var(--serif);color:var(--burgundy);font-size:1.06rem;margin-bottom:6px;}
.who .w p{font-size:.94rem;color:var(--ink-soft);}

/* หลักสูตรรายวัน */
.day{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;margin-bottom:20px;}
.day .dh{display:flex;align-items:center;gap:16px;padding:20px 26px;background:linear-gradient(90deg,var(--burgundy),#8a3742);color:#fff;}
.day .dh .dn{font-family:var(--display);font-size:2rem;line-height:1;color:var(--gold-soft);min-width:52px;}
.day .dh .dt{font-family:var(--serif);font-size:1.18rem;font-weight:600;}
.day .dh .ds{font-size:.87rem;color:rgba(255,255,255,.8);margin-top:2px;}
.day .db{padding:24px 26px;}
.mlist{list-style:none;}
.mlist li{position:relative;padding:11px 0 11px 34px;border-bottom:1px dashed var(--line);}
.mlist li:last-child{border-bottom:0;}
.mlist li::before{content:'';position:absolute;left:8px;top:20px;width:8px;height:8px;border-radius:50%;background:var(--gold);}
.mlist li b{color:var(--burgundy);}
.mlist li .d{display:block;font-size:.92rem;color:var(--ink-soft);margin-top:2px;}

/* กล่องวิทยาศาสตร์/สเปคจริง */
.spec{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin-top:26px;}
.spec .s{background:var(--dark);color:#f2e9dc;border-radius:8px;padding:20px;}
.spec .s .k{font-size:.76rem;letter-spacing:2px;text-transform:uppercase;color:var(--gold);margin-bottom:7px;}
.spec .s .v{font-family:var(--serif);font-size:1.12rem;font-weight:600;line-height:1.45;}
.spec .s .n{font-size:.86rem;color:#b9a894;margin-top:6px;}

/* แกลเลอรี */
.gal{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:12px;}
.gal a{display:block;border-radius:8px;overflow:hidden;aspect-ratio:1/1;background:var(--line);cursor:zoom-in;}
.gal img{width:100%;height:100%;object-fit:cover;transition:.45s;}
.gal a:hover img{transform:scale(1.07);}
.galnote{font-size:.9rem;color:var(--ink-soft);margin-top:16px;font-style:italic;}
/* lightbox */
.lb{position:fixed;inset:0;background:rgba(15,8,6,.93);z-index:200;display:none;align-items:center;justify-content:center;padding:24px;cursor:zoom-out;}
.lb.on{display:flex;}
.lb img{max-width:100%;max-height:90vh;object-fit:contain;border-radius:6px;}
.lb .x{position:absolute;top:18px;right:26px;color:#fff;font-size:2rem;cursor:pointer;line-height:1;}

/* รอบที่เปิด */
.rnds{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px;}
.rndgrp{font-family:var(--serif);font-size:1.05rem;font-weight:700;color:var(--burgundy);margin:26px 0 12px;padding-bottom:6px;border-bottom:1px solid var(--line);}
.rndgrp:first-of-type{margin-top:0;}
.rnd{background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:6px;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:14px;transition:.22s;}
.rnd:hover{box-shadow:0 10px 24px rgba(110,42,51,.1);transform:translateY(-2px);}
.rnd .dt{font-family:var(--serif);font-weight:600;color:var(--burgundy);font-size:1.05rem;}
.rnd .sub{font-size:.85rem;color:var(--ink-soft);}
.rnd .st{font-size:.85rem;font-weight:700;padding:5px 13px;border-radius:20px;white-space:nowrap;}
.st.ok{background:#e6f4ea;color:#1e7d34;}
.st.low{background:#9c4632;color:#fff;}
.st.full{background:#f6e9e9;color:#a13b3b;}
.rnd.isfull{opacity:.6;border-left-color:#c9b8b8;}

/* รวมในราคา */
.incl{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:14px;}
.incl .i{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px 20px;}
.incl .i .c{color:var(--gold);font-size:1.15rem;line-height:1.4;}
.incl .i b{display:block;color:var(--burgundy);font-size:.98rem;}
.incl .i span{font-size:.9rem;color:var(--ink-soft);}

/* FAQ */
.acc .q{border-bottom:1px solid var(--line);}
.acc .qh{width:100%;text-align:left;background:none;border:0;font-family:var(--sans);font-size:1.02rem;font-weight:600;color:var(--burgundy);padding:19px 40px 19px 0;cursor:pointer;position:relative;}
.acc .qh::after{content:'+';position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--gold);font-weight:400;}
.acc .q.open .qh::after{content:'−';}
.acc .qb{max-height:0;overflow:hidden;transition:.3s;color:var(--ink-soft);}
.acc .q.open .qb{max-height:460px;padding-bottom:19px;}

/* CTA band */
.ctab{position:relative;padding:86px 0;text-align:center;color:#fff;overflow:hidden;}
.ctab .bg{position:absolute;inset:0;}
.ctab .bg img{width:100%;height:100%;object-fit:cover;}
.ctab .bg::after{content:'';position:absolute;inset:0;background:rgba(28,15,12,.76);}
.ctab .inner{position:relative;z-index:2;}
.ctab .k{font-family:var(--serif);font-size:2rem;color:var(--gold);}
.ctab h2{font-family:var(--serif);font-size:clamp(1.6rem,3.4vw,2.4rem);margin:10px 0 12px;}
.ctab p{color:rgba(255,255,255,.85);margin-bottom:26px;}

/* คอร์สอื่น */
.other{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:14px;}
.other a{background:#fff;border:1px solid var(--line);border-radius:8px;padding:20px;transition:.25s;}
.other a:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(110,42,51,.1);border-color:var(--gold);}
.other a .n{font-family:var(--display);color:var(--gold);font-size:1.5rem;line-height:1;}
.other a h4{font-family:var(--serif);color:var(--burgundy);margin:4px 0 5px;font-size:1.04rem;}
.other a .p{font-size:.9rem;color:var(--ink-soft);}

/* FOOTER */
footer{background:var(--dark);color:#c9bdae;padding:60px 0 26px;}
footer .grid{display:grid;grid-template-columns:1.1fr 2fr;gap:40px;}
footer .logo{font-family:var(--serif);font-size:1.3rem;color:#fff;display:flex;align-items:center;gap:9px;margin-bottom:10px;}
footer .logo .k{color:var(--gold);}
footer p{font-size:.93rem;}
footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:26px;}
footer h4{color:var(--gold);font-size:.8rem;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px;}
footer .cols a,footer .cols div{display:block;font-size:.92rem;margin-bottom:7px;transition:.2s;}
footer .cols a:hover{color:var(--gold-soft);}
footer .copy{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:22px;font-size:.84rem;color:#8d8175;text-align:center;}
@media(max-width:760px){footer .grid{grid-template-columns:1fr;}}

/* ===== มือถือ ===== */
@media(max-width:620px){
  .wrap{padding:0 20px;}
  /* กัน hero กินทั้งจอจนคนไม่รู้ว่ามีเนื้อหาข้างล่าง */
  .chero{min-height:auto;}
  .chero .inner{padding:96px 0 34px;}
  .chero .no{font-size:2.4rem;}
  .chero .tag{font-size:.98rem;}
  .pills{gap:7px;margin-top:16px;}
  .pill{font-size:.8rem;padding:5px 12px;}
  .chero .cta{margin-top:20px;}
  .chero .cta .btn{flex:1;justify-content:center;padding:13px 18px;font-size:.94rem;}
  .csec{padding:52px 0;}
  .csec .head{margin-bottom:26px;}
  /* แกลเลอรีโชว์ 2 คอลัมน์บนมือถือ เห็นผลงานได้มากกว่า */
  .gal{grid-template-columns:repeat(2,1fr);gap:8px;}
  .day .dh{padding:16px 18px;gap:12px;}
  .day .dh .dn{font-size:1.6rem;min-width:38px;}
  .day .db{padding:18px 18px;}
  .mlist li{padding-left:26px;}
  .rnd{flex-direction:column;align-items:flex-start;gap:9px;}
  .lead.big{font-size:1.06rem;}
}

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