/* ============================================================
   Megutokoubou — Comandante Universal Canister
   Bilingual JP / EN premium minimal theme
   ============================================================ */

:root{
  --bg:        #0e0e0e;
  --bg-alt:    #151515;
  --surface:   #1a1a1a;
  --ink:       #ececec;
  --ink-dim:   #a6a6a6;
  --ink-soft:  #757575;
  --line:      #2a2a2a;
  --accent:    #c9a57a;      /* warm brass / coffee */
  --accent-2:  #e8c9a0;
  --max:       1200px;
  --pad:       clamp(20px, 5vw, 48px);
  --serif:     "Cormorant Garamond", "Noto Serif JP", serif;
  --sans:      "Inter", "Noto Sans JP", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --jp:        "Noto Sans JP", "Inter", sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-weight:300;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
button{font:inherit;cursor:pointer}

/* ---------- Language visibility ---------- */
body[data-lang="ja"] [data-lang-en],
body[data-lang="en"] [data-lang-ja]{display:none !important;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px var(--pad);
  background:rgba(14,14,14,.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background .3s ease;
}
.site-header.is-solid{background:rgba(14,14,14,.92)}
.brand{display:flex;flex-direction:column;gap:2px;line-height:1.1}
.brand-en{font-family:var(--serif);font-size:22px;letter-spacing:.16em;color:var(--ink);}
.brand-jp{font-family:var(--jp);font-size:11px;letter-spacing:.3em;color:var(--ink-dim);}

.nav{display:flex;align-items:center;gap:28px}
.nav a{font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-dim);padding:6px 0;}
.nav a:hover{color:var(--ink)}

.lang-toggle{
  display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;
}
.lang-toggle button{
  background:transparent;border:none;color:var(--ink-dim);
  padding:6px 14px;font-size:12px;letter-spacing:.18em;
}
.lang-toggle button[aria-pressed="true"]{background:var(--accent);color:#0e0e0e;font-weight:600}

.menu-toggle{display:none;background:none;border:none;color:var(--ink);padding:8px}
.menu-toggle svg{width:26px;height:26px}

@media (max-width: 880px){
  .nav .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;gap:0;padding:12px 0;
    background:rgba(14,14,14,.98);
    border-bottom:1px solid var(--line);
    display:none;
  }
  .nav.is-open .nav-links{display:flex}
  .nav-links a{padding:14px var(--pad);border-top:1px solid var(--line);}
  .menu-toggle{display:inline-flex}
}
.nav-links{display:flex;align-items:center;gap:28px}
@media (max-width: 880px){
  .nav{gap:10px}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:100svh;
  display:flex;align-items:center;justify-content:flex-start;
  padding:120px var(--pad) 80px;
  overflow:hidden;
  color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url("../images/hero.jpg") center/cover no-repeat;
  transform:scale(1.04);
  z-index:0;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(180deg, rgba(0,0,0,.2) 0%, rgba(0,0,0,.55) 60%, rgba(14,14,14,.9) 100%),
    linear-gradient(90deg, rgba(0,0,0,.55) 0%, rgba(0,0,0,0) 70%);
}
.hero-inner{position:relative;z-index:2;max-width:680px}
.eyebrow{
  display:inline-block;font-size:11px;letter-spacing:.42em;text-transform:uppercase;
  color:var(--accent);margin-bottom:22px;
}
.hero h1{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(38px, 6vw, 72px);line-height:1.08;margin:0 0 20px;letter-spacing:.01em;
}
.hero h1 .jp{font-family:var(--jp);font-weight:400;display:block;font-size:.55em;letter-spacing:.12em;color:var(--ink-dim);margin-top:14px;}
.hero p.lede{
  font-size:17px;line-height:1.8;color:var(--ink-dim);margin:0 0 34px;max-width:560px;
}
.hero p.lede.jp{font-family:var(--jp);font-size:15px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:2px;
  font-size:13px;letter-spacing:.22em;text-transform:uppercase;
  border:1px solid transparent;transition:all .25s ease;
}
.btn-primary{background:var(--accent);color:#111}
.btn-primary:hover{background:var(--accent-2);color:#111}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{border-color:#fff;color:#fff}

/* ---------- Section base ---------- */
section{padding:clamp(80px, 12vw, 140px) var(--pad)}
.container{max-width:var(--max);margin:0 auto}
.section-head{text-align:center;margin-bottom:64px}
.section-head .eyebrow{margin-bottom:14px}
.section-head h2{
  font-family:var(--serif);font-weight:500;font-size:clamp(30px, 4.2vw, 50px);
  line-height:1.15;margin:0 0 14px;
}
.section-head h2 .jp{display:block;font-family:var(--jp);font-size:.42em;color:var(--ink-dim);letter-spacing:.18em;margin-top:10px}
.section-head p{max-width:640px;margin:0 auto;color:var(--ink-dim);font-size:15px}
.section-head p.jp{font-family:var(--jp)}

/* ---------- Intro strip ---------- */
.intro{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.intro-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.intro-grid .cell{text-align:center;padding:10px}
.intro-grid .num{
  font-family:var(--serif);color:var(--accent);font-size:36px;line-height:1;margin-bottom:16px;display:block;
}
.intro-grid h3{font-size:14px;letter-spacing:.2em;text-transform:uppercase;margin:0 0 10px;color:var(--ink)}
.intro-grid h3 .jp{display:block;font-family:var(--jp);font-size:12px;color:var(--ink-dim);letter-spacing:.1em;margin-top:6px;text-transform:none}
.intro-grid p{font-size:14px;color:var(--ink-dim);margin:0}
.intro-grid p.jp{font-family:var(--jp)}
@media (max-width:760px){.intro-grid{grid-template-columns:1fr;gap:48px}}

/* ---------- Product section ---------- */
.product{background:var(--bg-alt)}
.product-grid{
  display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(40px, 6vw, 80px);align-items:center;
}
.product-grid .img-wrap{aspect-ratio: 4 / 3;overflow:hidden;border:1px solid var(--line);}
.product-grid img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.product-grid .img-wrap:hover img{transform:scale(1.03)}
.product-grid h3{
  font-family:var(--serif);font-weight:500;font-size:clamp(28px, 3.6vw, 40px);
  margin:0 0 14px;line-height:1.2;
}
.product-grid h3 .jp{display:block;font-family:var(--jp);font-size:.42em;color:var(--ink-dim);letter-spacing:.1em;margin-top:8px}
.product-grid .price{
  display:flex;align-items:baseline;gap:14px;margin:22px 0 22px;padding-top:22px;border-top:1px solid var(--line);
}
.product-grid .price .main{font-family:var(--serif);font-size:38px;color:var(--accent);line-height:1}
.product-grid .price .sub{color:var(--ink-dim);font-size:14px}
.product-grid ul.specs{list-style:none;padding:0;margin:0 0 26px;}
.product-grid ul.specs li{
  padding:12px 0;border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;gap:20px;font-size:14px;color:var(--ink-dim);
}
.product-grid ul.specs li strong{color:var(--ink);font-weight:500;letter-spacing:.04em}
.product-grid ul.specs .jp{font-family:var(--jp);font-size:12px;color:var(--ink-soft);margin-left:8px}
.product-grid .desc{color:var(--ink-dim);font-size:15px;margin-bottom:26px}
.product-grid .desc.jp{font-family:var(--jp);font-size:14px}

.product.alt .product-grid{grid-template-columns:.9fr 1.1fr}
.product.alt .product-grid .img-wrap{order:2}
.product.alt .product-grid .text{order:1}
@media (max-width:860px){
  .product-grid, .product.alt .product-grid{grid-template-columns:1fr;gap:36px}
  .product.alt .product-grid .img-wrap{order:0}
}

/* ---------- Story / About ---------- */
.story{background:var(--bg);position:relative}
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px, 6vw, 80px);align-items:center}
.story-grid .img-wrap{aspect-ratio:4/5;overflow:hidden;border:1px solid var(--line)}
.story-grid img{width:100%;height:100%;object-fit:cover}
.story h2{font-family:var(--serif);font-weight:500;font-size:clamp(30px,4.2vw,46px);line-height:1.2;margin:0 0 20px}
.story h2 .jp{display:block;font-family:var(--jp);font-size:.42em;color:var(--ink-dim);letter-spacing:.12em;margin-top:10px}
.story p{color:var(--ink-dim);font-size:15px;line-height:1.9;margin:0 0 18px}
.story p.jp{font-family:var(--jp);font-size:14px}
.story .signature{font-family:var(--serif);color:var(--accent);font-size:22px;margin-top:24px}
@media (max-width:860px){.story-grid{grid-template-columns:1fr}}

/* ---------- Gallery ---------- */
.gallery{background:var(--bg-alt)}
.gallery-grid{
  display:grid;grid-template-columns:repeat(4, 1fr);gap:10px;
}
.gallery-grid a{display:block;aspect-ratio:1/1;overflow:hidden}
.gallery-grid img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease, opacity .4s ease;opacity:.9}
.gallery-grid a:hover img{transform:scale(1.06);opacity:1}
@media (max-width:860px){.gallery-grid{grid-template-columns:repeat(2,1fr)}}

/* ---------- Contact ---------- */
.contact{background:var(--bg);border-top:1px solid var(--line)}
.contact-wrap{max-width:720px;margin:0 auto}
.contact form{display:grid;gap:18px;margin-top:40px}
.contact label{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-dim);display:block;margin-bottom:6px}
.contact label .jp{font-family:var(--jp);font-size:11px;letter-spacing:.06em;color:var(--ink-soft);margin-left:6px;text-transform:none}
.contact input, .contact textarea, .contact select{
  width:100%;background:var(--surface);border:1px solid var(--line);color:var(--ink);
  padding:14px 16px;border-radius:2px;font-family:inherit;font-size:15px;transition:border-color .2s ease;
}
.contact input:focus, .contact textarea:focus, .contact select:focus{outline:none;border-color:var(--accent)}
.contact textarea{min-height:160px;resize:vertical}
.contact .row-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:640px){.contact .row-2{grid-template-columns:1fr}}
.contact button[type=submit]{margin-top:10px;justify-self:start}
.contact .note{color:#4caf7a;font-size:14px;margin-top:20px}
.contact .note.err{color:#e57373}

/* ---------- Footer ---------- */
.site-footer{
  padding:60px var(--pad) 40px;background:#080808;border-top:1px solid var(--line);color:var(--ink-dim);
}
.footer-grid{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;align-items:start}
.footer-grid h4{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink);margin:0 0 14px}
.footer-grid p, .footer-grid li{font-size:13px;margin:0 0 8px}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid .jp{font-family:var(--jp)}
.footer-bottom{
  max-width:var(--max);margin:40px auto 0;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--ink-soft);flex-wrap:wrap;
}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr}}

/* ---------- Utilities ---------- */
.jp{font-family:var(--jp)}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease, transform .8s ease}
.reveal.is-visible{opacity:1;transform:translateY(0)}