/* ---------- NAV ---------- */
.nav{
  position:fixed;
  top:0;left:0;right:0;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:26px 8vw;
  mix-blend-mode:difference;
  color:#fff;
}
.nav__logo{
  display:flex;
  align-items:baseline;
  gap:10px;
  font-weight:700;
  font-size:17px;
  letter-spacing:0.02em;
}
.nav__logo small{
  font-family:'Inter', sans-serif;
  font-weight:400;
  font-size:11px;
  opacity:0.6;
}
.nav__links{display:flex;gap:34px;font-size:14px;font-weight:500;flex-wrap:wrap;align-items:center;}
.nav__links a{opacity:0.85;transition:opacity .25s ease;}
.nav__links a:hover{opacity:1;}

/* ---------- LIGHTBOX ---------- */
.lightbox{
  position:fixed; inset:0; z-index:300;
  background:rgba(4,10,24,0.92);
  display:flex; align-items:center; justify-content:center;
  padding:60px 24px;
  opacity:0; pointer-events:none;
  transition:opacity .25s ease;
}
.lightbox.is-open{ opacity:1; pointer-events:auto; }
.lightbox__body{
  display:flex; gap:22px;
  width:100%; max-width:1300px; height:100%;
  align-items:stretch;
}
.lightbox__main{
  flex:1; min-width:0;
  display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  gap:18px;
}
.lightbox__img{
  max-width:100%;
  max-height:76vh;
  border-radius:16px;
  box-shadow:0 40px 100px -30px rgba(0,0,0,0.7);
  object-fit:contain;
}
.lightbox__caption{
  max-width:720px;
  width:100%;
  text-align:left;
}
.lightbox__prompt{
  display:none;
  font-size:13.5px;
  line-height:1.65;
  color:rgba(255,255,255,0.82);
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.14);
  border-radius:14px;
  padding:14px 16px;
  margin-bottom:8px;
}
.lightbox__model{
  display:none;
  font-size:12.5px;
  color:rgba(255,255,255,0.55);
  letter-spacing:0.03em;
}
.lightbox__strip{
  display:none;
  flex:none;
  width:96px;
  flex-direction:column;
  gap:10px;
  overflow-y:auto;
  padding:4px 2px;
}
.lightbox__thumb{
  display:block;
  width:100%;
  aspect-ratio:1/1;
  border-radius:12px;
  overflow:hidden;
  border:2px solid transparent;
  opacity:0.55;
  transition:opacity .2s ease, border-color .2s ease;
  flex:none;
}
.lightbox__thumb img{ width:100%; height:100%; object-fit:cover; display:block; }
.lightbox__thumb:hover{ opacity:0.85; }
.lightbox__thumb.is-active{ opacity:1; border-color:var(--sky); }

.lightbox__close{
  position:absolute; top:24px; right:32px;
  width:44px; height:44px; border-radius:50%;
  background:rgba(255,255,255,0.1); color:#fff;
  font-size:26px; line-height:1;
  display:flex; align-items:center; justify-content:center;
  border:1px solid rgba(255,255,255,0.2);
  transition:background .2s ease;
  z-index:2;
}
.lightbox__close:hover{ background:rgba(255,255,255,0.22); }

/* ---------- HERO BANNER (rubric / subrubric / record) ---------- */
.hero-banner{
  position:relative;
  min-height:420px;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  background:
    radial-gradient(circle at 15% 15%, rgba(255,255,255,0.10), transparent 45%),
    linear-gradient(160deg, var(--deep) 0%, var(--deep-2) 45%, var(--azure) 100%);
}
.hero-banner__bg{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
  z-index:0;
  display:none;
}
.hero-banner__scrim{
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(6,12,28,0.15) 0%, rgba(6,12,28,0.72) 100%);
  z-index:1;
}
.hero-banner__content{
  position:relative; z-index:2;
  padding:0 8vw 52px;
  max-width:900px;
  color:#fff;
}
.hero-banner__crumbs{
  font-size:13px;
  color:rgba(255,255,255,0.6);
  margin-bottom:14px;
}
.hero-banner__crumbs a{ color:rgba(255,255,255,0.85); }
.hero-banner__crumbs a:hover{ text-decoration:underline; }
.hero-banner__title{
  font-weight:900;
  font-size:clamp(32px, 5.5vw, 60px);
  line-height:1.02;
}
.hero-banner__sub{
  margin-top:14px;
  color:rgba(255,255,255,0.82);
  font-size:15px;
  max-width:520px;
  line-height:1.6;
}
.hero-banner__model{
  display:none;
  margin-top:12px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:0.02em;
  color:rgba(255,255,255,0.72);
}
.hero-banner__prompt{
  display:none;
  margin-top:12px;
  font-size:12px;
  letter-spacing:0.01em;
  color:rgba(255,255,255,0.6);
  max-width:520px;
  line-height:1.6;
}
.hero-banner__prompt-label{
  font-weight:700;
  color:rgba(255,255,255,0.85);
  margin-right:6px;
}
.hero-banner__expand{
  position:absolute; right:26px; bottom:26px; z-index:3;
  width:42px; height:42px; border-radius:12px;
  background:rgba(6,12,28,0.55);
  border:1px solid rgba(255,255,255,0.25);
  color:#fff;
  display:none;
  align-items:center; justify-content:center;
  backdrop-filter:blur(6px);
  transition:background .2s ease, transform .2s ease;
}
.hero-banner__expand:hover{ background:rgba(6,12,28,0.8); transform:translateY(-2px); }
.hero-banner__expand svg{ width:18px; height:18px; }
.hero-banner.has-image .hero-banner__bg,
.hero-banner.has-image .hero-banner__expand{ display:flex; }
.hero-banner.has-image .hero-banner__bg{ display:block; }

/* ---------- RECORD GALLERY ---------- */
.record-gallery-head{ max-width:1240px; margin:0 auto 36px; }

/* ---------- HERO ---------- */
.hero{
  position:relative;
  min-height:680px;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  background:
    radial-gradient(circle at 15% 15%, rgba(255,255,255,0.10), transparent 45%),
    linear-gradient(160deg, var(--deep) 0%, var(--deep-2) 45%, var(--azure) 100%);
}
.hero--tall{ height:100vh; }
.hero--short{ min-height:340px; padding-top:140px; align-items:flex-start; }

.hero__dots{
  position:absolute;
  top:0; right:0;
  width:46%;
  height:100%;
  color:rgba(255,255,255,0.16);
  -webkit-mask-image:linear-gradient(to left, black 10%, transparent 75%);
          mask-image:linear-gradient(to left, black 10%, transparent 75%);
}

.hero__orb{
  position:absolute;
  width:460px;height:460px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,255,255,0.35), rgba(120,170,255,0) 70%);
  filter:blur(60px);
  top:-120px; right:6%;
  animation:drift 24s ease-in-out infinite;
}
@keyframes drift{
  0%,100%{ transform:translate(0,0) scale(1); }
  50%{ transform:translate(-20px,25px) scale(1.05); }
}

.hero__inner{
  position:relative;
  z-index:2;
  padding:0 8vw 100px;
  max-width:900px;
}
.hero--short .hero__inner{ padding-bottom:60px; }

.hero__eyebrow{
  color:rgba(255,255,255,0.7);
  font-size:13px;
  font-weight:600;
  letter-spacing:0.18em;
  text-transform:uppercase;
  margin-bottom:22px;
}

.hero__title{
  color:#fff;
  font-weight:900;
  font-size:clamp(56px, 10vw, 132px);
  line-height:0.92;
}
.hero--short .hero__title{ font-size:clamp(36px, 6vw, 64px); }

.hero__byline{
  margin-top:22px;
  font-family:'Inter', sans-serif;
  font-size:13px;
  color:rgba(255,255,255,0.55);
  letter-spacing:0.04em;
}

.hero__sub{
  margin-top:24px;
  color:rgba(255,255,255,0.85);
  font-size:clamp(16px,1.6vw,18px);
  max-width:480px;
  line-height:1.65;
  font-weight:400;
}

.hero__crumbs{
  position:relative;
  z-index:2;
  margin-top:18px;
  font-size:13px;
  color:rgba(255,255,255,0.6);
}
.hero__crumbs a{ color:rgba(255,255,255,0.85); }
.hero__crumbs a:hover{ text-decoration:underline; }

.hero__scroll{
  position:absolute;
  bottom:40px;
  left:8vw;
  z-index:2;
  display:flex;
  align-items:center;
  gap:14px;
  color:rgba(255,255,255,0.65);
  font-size:12px;
  letter-spacing:0.1em;
  text-transform:uppercase;
}
.hero__scroll-line{
  width:46px;height:1px;
  background:rgba(255,255,255,0.6);
  position:relative;
  overflow:hidden;
}
.hero__scroll-line::after{
  content:'';
  position:absolute;
  left:-100%;top:0;
  width:100%;height:100%;
  background:#fff;
  animation:scrollX 2.4s ease-in-out infinite;
}
@keyframes scrollX{
  0%{ left:-100%; }
  50%{ left:0; }
  100%{ left:100%; }
}

/* ---------- SECTION SHELL ---------- */
section{
  padding:150px 8vw;
  position:relative;
}
.section--ice{ background:var(--ice); }
.section--tight{ padding-top:90px; padding-bottom:90px; }

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:600;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--azure);
  margin-bottom:22px;
}
.eyebrow::before{
  content:'';
  width:28px;height:1px;
  background:var(--azure);
}

.section-title{
  font-size:clamp(30px,4vw,46px);
  font-weight:700;
  color:var(--text);
  max-width:640px;
  line-height:1.18;
}

.section-lead{
  margin-top:22px;
  max-width:520px;
  color:var(--text-soft);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
}

.section-head{
  max-width:1240px;
  margin:0 auto 76px;
}

/* ---------- RUBRICS (categories) ---------- */
.rubrics{
  max-width:1240px;
  margin:0 auto;
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:24px;
  overflow:hidden;
}
.rubric{
  background:var(--white);
  padding:44px 38px;
  position:relative;
  transition:background .3s ease;
  display:block;
  overflow:hidden;
  min-height:260px;
}
.rubric:hover{ background:var(--ice); }
.rubric__bg{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
  z-index:0;
  display:none;
}
.rubric.has-image{ color:#fff; }
.rubric.has-image .rubric__bg{ display:block; }
.rubric.has-image::before{
  content:'';
  position:absolute; inset:0;
  background:linear-gradient(190deg, rgba(6,12,28,0.15) 0%, rgba(6,12,28,0.78) 100%);
  z-index:1;
}
.rubric.has-image:hover{ background:var(--white); }
.rubric__num, .rubric__title, .rubric__desc, .rubric__count, .rubric__prompt, .rubric__expand{
  position:relative; z-index:2;
}
.rubric__num{
  font-family:'Zen Kaku Gothic New', sans-serif;
  font-size:13px;
  font-weight:700;
  color:var(--sky);
  letter-spacing:0.08em;
  margin-bottom:28px;
  display:block;
}
.rubric.has-image .rubric__num{ color:rgba(255,255,255,0.85); }
.rubric__title{
  font-size:21px;
  font-weight:700;
  margin-bottom:12px;
}
.rubric__desc{
  color:var(--text-soft);
  font-size:14.5px;
  line-height:1.65;
}
.rubric.has-image .rubric__desc{ color:rgba(255,255,255,0.8); }
.rubric__count{
  margin-top:16px;
  font-size:12.5px;
  color:var(--azure);
  font-weight:600;
}
.rubric.has-image .rubric__count{ color:#fff; }
.rubric__prompt{
  display:block;
  margin-top:10px;
  font-size:11.5px;
  line-height:1.5;
  color:rgba(255,255,255,0.62);
  max-width:340px;
}
.rubric__expand{
  position:absolute; right:16px; bottom:16px; z-index:3;
  width:36px; height:36px; border-radius:10px;
  background:rgba(6,12,28,0.55);
  border:1px solid rgba(255,255,255,0.25);
  color:#fff;
  display:none;
  align-items:center; justify-content:center;
  backdrop-filter:blur(6px);
  transition:background .2s ease, transform .2s ease;
}
.rubric.has-image .rubric__expand{ display:flex; }
.rubric__expand:hover{ background:rgba(6,12,28,0.8); transform:translateY(-2px); }
.rubric__expand svg{ width:16px; height:16px; }

/* ---------- ABOUT / SPECIFICS ---------- */
.specs{
  max-width:1240px;
  margin:0 auto;
  display:grid;
  grid-template-columns:0.85fr 1.15fr;
  gap:80px;
}
.specs__list{
  display:flex;
  flex-direction:column;
}
.spec{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:28px;
  padding:34px 0;
  border-top:1px solid var(--line);
}
.specs__list .spec:last-child{ border-bottom:1px solid var(--line); }
.spec__mark{
  width:34px;height:34px;
  border-radius:50%;
  background:var(--azure);
  color:#fff;
  font-size:13px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:'Zen Kaku Gothic New', sans-serif;
}
.spec__title{ font-size:18px; font-weight:700; margin-bottom:8px; }
.spec__text{ color:var(--text-soft); font-size:15px; line-height:1.7; max-width:440px; }

.specs__panel{
  border-radius:28px;
  background:linear-gradient(150deg, var(--deep) 0%, var(--sky) 140%);
  position:relative;
  overflow:hidden;
  min-height:420px;
}
.specs__panel .dots{
  position:absolute;
  inset:0;
  color:rgba(255,255,255,0.18);
  -webkit-mask-image:radial-gradient(circle at 70% 30%, black, transparent 65%);
          mask-image:radial-gradient(circle at 70% 30%, black, transparent 65%);
}
.specs__panel-tag{
  position:absolute;
  left:32px; bottom:32px;
  color:#fff;
  font-size:13px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  opacity:0.75;
}

/* ---------- GALLERY ---------- */
.gallery-toolbar{
  max-width:1240px;
  margin:0 auto 40px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.gallery-chip{
  font-size:13px;
  font-weight:500;
  padding:9px 16px;
  border-radius:100px;
  border:1px solid var(--line);
  color:var(--text-soft);
  background:var(--white);
}
.gallery-chip.is-active{ background:var(--azure); color:#fff; border-color:var(--azure); }

.gallery{
  max-width:1240px;
  margin:0 auto;
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
}
.gallery-card{
  display:block;
  border-radius:20px;
  overflow:hidden;
  background:var(--ice);
  border:1px solid var(--line);
  transition:transform .25s ease, box-shadow .25s ease;
}
.gallery-card:hover{ transform:translateY(-4px); box-shadow:0 20px 40px -20px rgba(10,42,102,0.25); }
.gallery-card__img{
  aspect-ratio:1/1;
  background:linear-gradient(135deg, var(--ice-2), var(--sky) 130%);
  position:relative;
  overflow:hidden;
}
.gallery-card__img img{ width:100%; height:100%; object-fit:cover; display:block; cursor:zoom-in; }
.gallery-card__body{ padding:18px 20px 22px; }
.gallery-card__title{ font-size:15px; font-weight:700; margin-bottom:4px; }
.gallery-card__meta{ font-size:12px; color:var(--text-soft); }
.gallery-empty{
  max-width:1240px; margin:0 auto;
  padding:60px 0; text-align:center; color:var(--text-soft);
}

/* ---------- RECORD DETAIL ---------- */
.record-detail{
  max-width:1080px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:56px;
}
.record-detail--info-only{
  grid-template-columns:1fr;
  max-width:1240px;
}
.record-detail--info-only .record-detail__tag{ margin-bottom:0; }
.record-detail__img{
  border-radius:24px;
  overflow:hidden;
  background:linear-gradient(135deg, var(--ice-2), var(--sky) 130%);
}
.record-detail__img img{ width:100%; display:block; }
.record-detail__title{ font-size:clamp(26px,3vw,36px); font-weight:700; margin-bottom:18px; }
.record-detail__tag{
  display:inline-block;
  font-size:12.5px;
  font-weight:600;
  color:var(--azure);
  background:var(--ice-2);
  padding:5px 12px;
  border-radius:100px;
  margin-bottom:20px;
}
.record-detail__field{ margin-bottom:22px; }
.record-detail__label{
  font-size:11.5px; font-weight:700; letter-spacing:0.08em; text-transform:uppercase;
  color:var(--text-soft); margin-bottom:8px;
}
.record-detail__prompt{
  font-size:14.5px; line-height:1.7; color:var(--text);
  background:var(--ice); border:1px solid var(--line); border-radius:14px; padding:16px 18px;
}
.record-detail__model{ font-size:14.5px; color:var(--text); }

/* ---------- FOOTER / CONTACT ---------- */
.contact{
  max-width:1240px;
  margin:0 auto;
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  flex-wrap:wrap;
  gap:40px;
  padding-bottom:70px;
  border-bottom:1px solid var(--line);
}
.contact__title{
  font-size:clamp(28px,4vw,44px);
  font-weight:700;
  max-width:520px;
}
.contact__btn{
  display:inline-flex;
  align-items:center;
  gap:12px;
  background:var(--azure);
  color:#fff;
  font-weight:600;
  padding:17px 32px;
  border-radius:100px;
  font-size:15px;
  white-space:nowrap;
  transition:transform .25s ease, box-shadow .25s ease;
}
.contact__btn:hover{
  transform:translateY(-3px);
  box-shadow:0 20px 40px -16px rgba(47,111,237,0.45);
}

.footer-bottom{
  max-width:1240px;
  margin:0 auto;
  padding-top:36px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
  color:var(--text-soft);
  font-size:13px;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:900px){
  .nav__links{display:none;}
  section{padding:100px 7vw;}
  .rubrics{ grid-template-columns:1fr; }
  .specs{ grid-template-columns:1fr; gap:48px; }
  .specs__panel{ order:-1; min-height:260px; }
  .hero__inner{ padding-bottom:80px; }
  .gallery{ grid-template-columns:repeat(2, 1fr); }
  .record-detail{ grid-template-columns:1fr; gap:32px; }
  .lightbox__body{ flex-direction:column; }
  .lightbox__strip{ width:100%; flex-direction:row; }
  .lightbox__thumb{ width:76px; height:76px; flex:none; aspect-ratio:auto; }
}
@media (max-width:560px){
  .gallery{ grid-template-columns:1fr; }
  .hero-banner{ min-height:340px; }
  .hero-banner__content{ padding-bottom:36px; }
}

@media (prefers-reduced-motion: reduce){
  .hero__orb, .hero__scroll-line::after{ animation:none; }
  html{scroll-behavior:auto;}
}