/* ============================================================
   Kanako Nakamura — Parts / Cut Model  |  Gallery edition
   ============================================================ */

:root{
  --paper:#E9F0EC;
  --paper-2:#D6E4DF;
  --ink:#143230;
  --ink-soft:#4F706B;
  --ink-faint:#88A19C;
  --line:rgba(20,50,48,.15);
  --line-soft:rgba(20,50,48,.085);
  --accent:#1F5E72;
  --serif:'Cormorant Garamond','Shippori Mincho',serif;
  --sans:'Zen Kaku Gothic New',system-ui,-apple-system,sans-serif;
  --maxw:1280px;
  --pad:clamp(20px,5vw,84px);
  --room-gap:clamp(72px,12vh,168px);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-weight:400;line-height:1.85;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* ---------- shared bits ---------- */
.eyebrow{
  font-family:var(--sans);font-size:11px;font-weight:400;
  letter-spacing:.28em;text-transform:uppercase;color:var(--ink-soft);
}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}

/* ---------- top nav ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px var(--pad);
  transition:background .4s ease,border-color .4s ease,padding .4s ease;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(233,240,236,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-soft);padding-top:14px;padding-bottom:14px;
}
.nav__brand{font-family:var(--serif);font-size:20px;font-weight:500;letter-spacing:.02em}
.nav__menu{display:flex;align-items:center;gap:clamp(14px,3vw,40px)}
.nav__menu a{
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);
  position:relative;padding-bottom:3px;transition:color .25s;
}
.nav__menu a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--accent);transition:width .3s ease;
}
.nav__menu a:hover{color:var(--ink)}
.nav__menu a:hover::after{width:100%}
.lang{
  font-size:11px;letter-spacing:.1em;color:var(--ink-soft);
  border:1px solid var(--line);border-radius:999px;padding:5px 12px;cursor:pointer;
  background:transparent;font-family:var(--sans);transition:all .25s;
}
.lang:hover{border-color:var(--ink);color:var(--ink)}
.nav__burger{display:none;background:none;border:0;cursor:pointer;color:var(--ink);font-size:22px;line-height:1}

/* ---------- hero ---------- */
.hero{padding:clamp(112px,17vh,172px) 0 clamp(26px,5vh,52px);text-align:center}
.hero__name{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(26px,3.6vw,46px);line-height:1.08;letter-spacing:.05em;
  margin:.55em 0 0;
}
.hero__figure{max-width:var(--maxw);margin:clamp(40px,7vh,72px) auto 0;padding-inline:var(--pad);width:100%}
.hero__figure img{width:100%;height:clamp(320px,58vh,600px);object-fit:cover}

/* ---------- room (project) ---------- */
.room{padding-top:var(--room-gap)}
#commission .room:first-child,#personal .room:first-child{padding-top:clamp(18px,3vh,34px)}
.room__head{margin-bottom:clamp(28px,5vh,56px);max-width:var(--maxw)}
.room__title{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(22px,3vw,34px);line-height:1.1;margin:.3em 0 0;letter-spacing:.02em;
}
.room__title .sub{display:block;font-family:var(--sans);font-size:12px;letter-spacing:.18em;color:var(--ink-soft);margin-top:.95em;font-weight:400}
.credits{
  display:flex;flex-wrap:wrap;gap:6px 40px;margin:26px 0 0;padding-top:22px;
  border-top:1px solid var(--line);
}
.credits div{display:flex;flex-direction:column;gap:3px}
.credits dt{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-faint)}
.credits dd{margin:0;font-size:14px;color:var(--ink)}
.credits a{color:var(--accent);border-bottom:1px solid var(--line);transition:border-color .25s}
.credits a:hover{border-color:var(--accent)}

/* ---------- plates & gallery ---------- */
.plate{margin:0}
.plate.lead{margin-bottom:clamp(20px,3vw,28px)}
.plate.lead img{width:100%;max-height:88vh;object-fit:cover}

.gallery{column-count:2;column-gap:clamp(14px,2.2vw,28px)}
.gallery figure{break-inside:avoid;margin:0 0 clamp(14px,2.2vw,28px)}
.gallery img{width:100%;height:auto}

figure{cursor:zoom-in;overflow:hidden}
figure img{transition:transform 1.1s cubic-bezier(.2,.7,.2,1),opacity .9s ease;background:var(--paper-2)}
figure:hover img{transform:scale(1.025)}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(26px);transition:opacity 1s ease,transform 1.1s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- profile / composite ---------- */
.profile{padding-top:var(--room-gap);display:grid;grid-template-columns:1fr;gap:clamp(32px,5vw,72px)}
@media(min-width:860px){.profile{grid-template-columns:0.92fr 1.08fr;align-items:start}}
.profile__media{display:grid;grid-template-columns:1fr 1fr;gap:clamp(12px,1.6vw,18px)}
.profile__media .span-all{grid-column:1/-1}
.spec{margin:0}
.spec__line{font-family:var(--sans);font-size:14px;color:var(--ink-soft);line-height:1.95;margin:0 0 clamp(26px,4vh,40px);max-width:40ch}
.spec dl{margin:0;border-top:1px solid var(--line)}
.spec__row{display:flex;align-items:baseline;justify-content:space-between;gap:18px;padding:15px 0;border-bottom:1px solid var(--line)}
.spec dt{margin:0;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft)}
.spec dd{margin:0;text-align:right;font-family:var(--serif);font-size:19px;letter-spacing:.02em;white-space:nowrap}
.spec dd small{font-size:13px;color:var(--ink-soft);font-family:var(--sans);margin-left:6px}

/* ---------- contact ---------- */
.contact{padding:var(--room-gap) 0 clamp(60px,10vh,120px);text-align:center}
.contact__title{font-family:var(--serif);font-weight:500;font-size:clamp(26px,3.6vw,40px);line-height:1.1;margin:.35em 0 .6em;letter-spacing:.03em}
.contact__lead{font-family:var(--sans);color:var(--ink-soft);font-size:14px;max-width:42ch;margin:0 auto clamp(26px,4vh,40px);line-height:1.9}
.contact__cta{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);border:1px solid var(--accent);border-radius:999px;padding:14px 28px;transition:all .3s}
.contact__cta:hover{background:var(--accent);color:var(--paper)}
.contact__meta{margin-top:clamp(40px,7vh,72px);font-size:13px;color:var(--ink-soft);letter-spacing:.04em;line-height:2}
.contact__meta a{color:var(--accent);border-bottom:1px solid var(--line)}
.contact__meta a:hover{border-color:var(--accent)}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);padding:30px var(--pad);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;align-items:center;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint)}

/* ---------- lightbox ---------- */
.lb{position:fixed;inset:0;z-index:100;background:rgba(10,26,25,.95);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .4s ease}
.lb.open{opacity:1;pointer-events:auto}
.lb img{max-width:92vw;max-height:88vh;object-fit:contain;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.lb__btn{position:absolute;background:none;border:0;color:rgba(255,255,255,.7);cursor:pointer;font-size:30px;line-height:1;padding:16px;transition:color .2s}
.lb__btn:hover{color:#fff}
.lb__close{top:14px;right:18px;font-size:26px}
.lb__prev{left:8px;top:50%;transform:translateY(-50%)}
.lb__next{right:8px;top:50%;transform:translateY(-50%)}
.lb__count{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.6);font-size:12px;letter-spacing:.2em}

/* ---------- mobile ---------- */
@media(max-width:720px){
  .gallery{column-count:1}
  .nav__menu .nav__links{display:none}
  .nav__burger{display:block}
  .credits{gap:14px 28px}
  .lb__prev{left:2px}.lb__next{right:2px}
}
@media(max-width:720px){
  .nav__menu.open .nav__links{
    display:flex;flex-direction:column;gap:18px;position:absolute;top:100%;right:var(--pad);
    background:var(--paper);border:1px solid var(--line);padding:22px 28px;border-radius:10px;
  }
}