/* ==========================================================================
   THE MUGHAL MIRROR DIAMOND NECKLACE — Design System
   Museum-grade editorial luxury theme
   ========================================================================== */

:root{
  --charcoal:        #0d0f0e;
  --charcoal-soft:    #14181a;
  --charcoal-raise:   #1a1f1f;
  --ivory:            #f4ecdf;
  --ivory-dim:        #cbc1ab;
  --emerald:          #0f5b45;
  --emerald-bright:   #1f8f6b;
  --emerald-glow:     #2fbf8f;
  --wine:             #5c1a2b;
  --wine-bright:      #8c2c44;
  --gold:             #c9a24b;
  --gold-bright:      #e8c874;
  --gold-dim:         #8a7038;
  --mirror-silver:    #d8dee0;
  --line:             rgba(201,162,75,0.25);
  --line-soft:        rgba(244,236,223,0.1);
  --shadow-deep:      0 30px 80px rgba(0,0,0,0.55);
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 26px;
  --serif: "Playfair Display", "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body{
  margin:0;
  font-family: var(--sans);
  background: var(--charcoal);
  color: var(--ivory);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img{ max-width:100%; display:block; }

h1,h2,h3,h4{
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.15;
  color: var(--ivory);
  margin: 0 0 .5em;
  letter-spacing: 0.01em;
}
h1{ font-size: clamp(2.4rem, 5.5vw, 4.6rem); font-weight: 700;}
h2{ font-size: clamp(1.8rem, 3.4vw, 2.8rem); }
h3{ font-size: clamp(1.3rem, 2.2vw, 1.7rem); }
p{ margin: 0 0 1em; color: var(--ivory-dim); }
a{ color: var(--gold-bright); text-decoration: none; }
a:hover{ color: var(--gold); }

.eyebrow{
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  color: var(--gold-bright);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: .6em;
  margin-bottom: 1em;
}
.eyebrow::before{
  content:"";
  width: 22px; height:1px;
  background: var(--gold);
  display:inline-block;
}

.container{
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow{ max-width: 820px; margin:0 auto; padding: 0 24px; }

section{ position: relative; }

/* Focus visibility for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, summary:focus-visible{
  outline: 2px solid var(--gold-bright);
  outline-offset: 3px;
}

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.6em;
  padding: 0.95em 1.9em;
  border-radius: 2px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .35s var(--ease);
  text-align: center;
}
.btn-primary{
  background: linear-gradient(135deg, var(--gold-bright), var(--gold) 55%, var(--gold-dim));
  color: #1a1305;
  box-shadow: 0 8px 30px rgba(201,162,75,0.25);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 14px 40px rgba(201,162,75,0.4); color:#1a1305; }
.btn-outline{
  border-color: var(--line);
  color: var(--ivory);
  background: rgba(244,236,223,0.03);
}
.btn-outline:hover{ border-color: var(--gold-bright); color: var(--gold-bright); background: rgba(201,162,75,0.08); }
.btn-block{ width:100%; }

/* ---------------- Header / Nav ---------------- */
.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 1000;
  padding: 18px 0;
  transition: background .4s var(--ease), padding .4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled{
  background: rgba(13,15,14,0.88);
  backdrop-filter: blur(14px);
  padding: 12px 0;
  border-bottom-color: var(--line-soft);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap: 24px;
}
.brand{
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--ivory);
  letter-spacing: 0.02em;
  display:flex; align-items:center; gap:.6em;
}
.brand .brand-mark{
  width: 30px; height:30px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  display:inline-flex; align-items:center; justify-content:center;
  color: var(--gold-bright);
  font-size: 0.85rem;
  transform: rotate(45deg);
}
.brand .brand-mark span{ transform: rotate(-45deg); }
.brand small{ display:block; font-family: var(--sans); font-size: 0.58rem; letter-spacing: 0.18em; color: var(--ivory-dim); text-transform: uppercase; font-weight:500; }

.nav-links{
  display:flex; align-items:center; gap: 30px;
  list-style:none; margin:0; padding:0;
}
.nav-links a{
  color: var(--ivory-dim);
  font-size: 0.86rem;
  letter-spacing: 0.03em;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}
.nav-links a::after{
  content:"";
  position:absolute; left:0; bottom:-2px;
  width:0; height:1px; background: var(--gold-bright);
  transition: width .3s var(--ease);
}
.nav-links a:hover, .nav-links a[aria-current="page"]{ color: var(--ivory); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after{ width:100%; }

.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-toggle{
  display:none;
  background:none; border:1px solid var(--line); color: var(--ivory);
  width: 42px; height:42px; border-radius: 4px; cursor:pointer;
  align-items:center; justify-content:center;
}
.nav-toggle span{ width:18px; height:1px; background: var(--ivory); position:relative; display:block; }
.nav-toggle span::before,.nav-toggle span::after{ content:""; position:absolute; left:0; width:18px; height:1px; background: var(--ivory);}
.nav-toggle span::before{ top:-6px; } .nav-toggle span::after{ top:6px; }

@media (max-width: 900px){
  .nav-links{
    position: fixed; inset: 0 0 0 auto;
    width: min(320px, 82vw); height: 100vh;
    background: var(--charcoal-soft);
    flex-direction: column; align-items: flex-start;
    padding: 100px 32px 32px;
    gap: 26px;
    transform: translateX(100%);
    transition: transform .4s var(--ease);
    border-left: 1px solid var(--line);
    z-index: 999;
  }
  .nav-links.is-open{ transform: translateX(0); }
  .nav-toggle{ display:flex; }
  .nav-cta .btn-outline{ display:none; }
}

/* ---------------- Hero ---------------- */
.hero{
  min-height: 100vh;
  display:flex; align-items:center;
  position: relative;
  overflow:hidden;
  padding: 160px 0 90px;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(31,143,107,0.18), transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 90%, rgba(92,26,43,0.25), transparent 60%),
    linear-gradient(180deg, #0a0c0b, var(--charcoal) 60%);
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  z-index: 1;
  background:
    radial-gradient(ellipse 90% 70% at 50% 0%, rgba(10,12,11,0.35), transparent 60%),
    linear-gradient(180deg, rgba(8,10,9,0.55) 0%, rgba(8,10,9,0.35) 45%, rgba(8,10,9,0.82) 100%);
}
.hero-facets{
  position:absolute; inset:0; pointer-events:none; z-index:1;
  background-image:
    linear-gradient(115deg, transparent 40%, rgba(201,162,75,0.05) 41%, transparent 42%),
    linear-gradient(65deg, transparent 60%, rgba(216,222,224,0.05) 61%, transparent 62%);
  background-size: 340px 340px, 420px 420px;
  animation: glint 14s linear infinite;
}
@keyframes glint{ 0%{ background-position: 0 0, 0 0; } 100%{ background-position: 400px 200px, -300px 300px; } }

/* ---------------- Hero Carousel ---------------- */
.hero-parallax{
  position: absolute; inset: -10% 0 0 0; height: 110%; z-index: 0;
  will-change: transform;
}
.hero-carousel{
  position: relative; width: 100%; height: 100%; z-index: 0;
  overflow: hidden;
}
.hero-track{
  display: flex;
  width: 100%; height: 100%;
  /* No CSS transition here: the slide-to-slide glide is driven frame-by-frame
     in JS (requestAnimationFrame) so it can never be zeroed out by a global
     transition-duration override and is guaranteed to render every step. */
  will-change: transform;
}
.hero-slide{
  position: relative;
  flex: 0 0 100%;
  width: 100%; height: 100%;
  overflow: hidden;
  opacity: 0.35;
  transition: opacity 1.8s cubic-bezier(.76,0,.24,1);
}
.hero-slide.is-active{ opacity: 1; }
.hero-slide img{
  width: 100%; height: 100%; object-fit: cover;
  object-position: center 35%;
  filter: saturate(0.85) contrast(1.05);
  transform: scale(1.08);
  transition: transform 9s linear;
}
.hero-slide.is-active img{ transform: scale(1.18); }
@media (prefers-reduced-motion: reduce){
  .hero-track{ transition: none; }
  .hero-slide{ transition: none; }
  .hero-slide img{ transition: none; transform: scale(1.08) !important; }
}

.hero-arrow{
  position: absolute; top: 50%; transform: translateY(-50%);
  z-index: 3;
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(13,15,14,0.4); border: 1px solid var(--line);
  color: var(--ivory); font-size: 1.4rem;
  display:flex; align-items:center; justify-content:center;
  cursor: pointer; backdrop-filter: blur(6px);
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.hero-arrow:hover{ border-color: var(--gold-bright); color: var(--gold-bright); background: rgba(13,15,14,0.65); }
.hero-arrow.prev{ left: 20px; }
.hero-arrow.next{ right: 20px; }
@media (max-width: 700px){ .hero-arrow{ width:38px; height:38px; font-size:1.1rem; } .hero-arrow.prev{ left:10px; } .hero-arrow.next{ right:10px; } }

.hero-dots{
  position: absolute; bottom: 92px; left: 0; right: 0;
  z-index: 3;
  display:flex; align-items:center; justify-content:center; gap: 10px;
}
.hero-dot{
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(244,236,223,0.3); border: 1px solid rgba(244,236,223,0.4);
  cursor: pointer; padding:0; transition: all .3s var(--ease);
}
.hero-dot.is-active{ background: var(--gold-bright); border-color: var(--gold-bright); width: 22px; border-radius: 5px; }
.hero-dot:hover{ border-color: var(--gold-bright); }
@media (max-width: 700px){ .hero-dots{ bottom: 64px; } }

.hero-content{ position:relative; z-index:2; max-width: 880px; }
.hero-scroll-cue, .hero-arrow, .hero-dots{ z-index:3; }
.hero-content .eyebrow{ animation: reveal 1s var(--ease) both; }
.hero-content h1{ animation: reveal 1.1s var(--ease) .1s both; text-shadow: 0 4px 40px rgba(0,0,0,0.5);}
.hero-content .hero-sub{ animation: reveal 1.1s var(--ease) .25s both; font-size: 1.15rem; color: var(--ivory-dim); max-width: 620px; }
.hero-ctas{ display:flex; gap: 18px; flex-wrap: wrap; margin-top: 2em; animation: reveal 1.1s var(--ease) .4s both; }

@keyframes reveal{ from{ opacity:0; transform: translateY(24px); } to{ opacity:1; transform: translateY(0); } }

.hero-scroll-cue{
  position:absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:8px;
  color: var(--ivory-dim); font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  z-index:2;
}
.hero-scroll-cue .line{ width:1px; height:34px; background: linear-gradient(var(--gold-bright), transparent); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse{ 0%,100%{ opacity:.3; } 50%{ opacity:1; } }

/* ---------------- Reveal on scroll ---------------- */
.reveal{ opacity:0; transform: translateY(36px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-visible{ opacity:1; transform: translateY(0); }
.reveal-delay-1.is-visible{ transition-delay: .12s; }
.reveal-delay-2.is-visible{ transition-delay: .24s; }
.reveal-delay-3.is-visible{ transition-delay: .36s; }

/* ---------------- Section shells ---------------- */
.section{ padding: 110px 0; }
.section-tight{ padding: 70px 0; }
.section-header{ max-width: 720px; margin-bottom: 3.5em; }
.section-header.center{ margin-left:auto; margin-right:auto; text-align:center; }

.section-alt{ background: var(--charcoal-soft); }
.section-border-top{ border-top: 1px solid var(--line-soft); }

.divider-motif{
  width: 100%; height: 42px;
  display:flex; align-items:center; justify-content:center;
  gap: 14px;
  opacity: .55;
}
.divider-motif span{ width:6px; height:6px; border: 1px solid var(--gold); transform: rotate(45deg); }
.divider-motif::before, .divider-motif::after{ content:""; height:1px; flex:1; max-width: 140px; background: linear-gradient(90deg, transparent, var(--gold), transparent); }

/* ---------------- Cards ---------------- */
.card{
  background: linear-gradient(160deg, var(--charcoal-raise), var(--charcoal-soft));
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  padding: 2.2em;
  transition: border-color .4s var(--ease), transform .4s var(--ease), box-shadow .4s var(--ease);
}
.card:hover{ border-color: var(--line); transform: translateY(-6px); box-shadow: var(--shadow-deep); }
.card .card-num{ font-family: var(--serif); font-size: 2rem; color: var(--gold-bright); opacity:.7; }

.grid{ display:grid; gap: 28px; }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-4{ grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px){ .grid-3, .grid-4{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px){ .grid-2, .grid-3, .grid-4{ grid-template-columns: 1fr; } }

/* ---------------- Five Mirrors section ---------------- */
.mirrors-row{
  display:grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
@media (max-width: 900px){ .mirrors-row{ grid-template-columns: repeat(3,1fr); } }
@media (max-width: 560px){ .mirrors-row{ grid-template-columns: repeat(2,1fr); } }
.mirror-facet{
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(216,222,224,0.08), rgba(216,222,224,0.02));
  overflow:hidden;
  display:flex; align-items:flex-end; padding: 16px;
}
.mirror-facet::before{
  content:"";
  position:absolute; top:-40%; left:-20%;
  width: 60%; height: 220%;
  background: linear-gradient(115deg, transparent, rgba(255,255,255,0.18), transparent);
  transform: rotate(20deg);
  animation: sweep 5s ease-in-out infinite;
  animation-delay: calc(var(--i) * 0.6s);
}
@keyframes sweep{ 0%,100%{ transform: translateX(-60%) rotate(20deg); } 50%{ transform: translateX(220%) rotate(20deg); } }
.mirror-facet span{ font-size: 0.78rem; color: var(--ivory-dim); font-weight:600; letter-spacing: .04em; }

/* ---------------- Visual story split ---------------- */
.split{ display:grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items:center; }
@media (max-width: 860px){ .split{ grid-template-columns: 1fr; gap: 34px; } }
.split.reverse .split-media{ order:2; }
.split-media{ position: relative; border-radius: var(--radius-lg); overflow:hidden; border: 1px solid var(--line); box-shadow: var(--shadow-deep); }
.split-media img{ transition: transform 1.4s var(--ease); }
.split-media:hover img{ transform: scale(1.06); }
.split-media .media-frame{
  position:absolute; inset:0;
  border: 1px solid rgba(244,236,223,0.15);
  border-radius: var(--radius-lg);
  pointer-events:none;
}

/* ---------------- Full width visual story ---------------- */
.story-band{
  position: relative;
  padding: 130px 0;
  background: linear-gradient(180deg, var(--charcoal), #0a1210 50%, var(--charcoal));
  overflow:hidden;
}
.story-band::before{
  content:"";
  position:absolute; inset:0;
  background-image: url('images/necklace-twin-mirrors.jpg');
  background-size: cover; background-position: center;
  opacity: 0.22;
}
.story-band .container{ position:relative; z-index:2; }

/* ---------------- Stat / valuation strip ---------------- */
.stat-strip{
  display:grid; grid-template-columns: repeat(4,1fr);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
@media (max-width: 760px){ .stat-strip{ grid-template-columns: repeat(2,1fr); } }
.stat{
  padding: 40px 20px;
  text-align:center;
  border-right: 1px solid var(--line-soft);
}
.stat:last-child{ border-right:none; }
.stat .stat-value{ font-family: var(--serif); font-size: 2.1rem; color: var(--gold-bright); }
.stat .stat-label{ font-size: 0.75rem; letter-spacing:.08em; text-transform:uppercase; color: var(--ivory-dim); margin-top:.4em; }

/* ---------------- Valuation callout ---------------- */
.valuation-panel{
  border: 1px solid var(--gold-dim);
  background: linear-gradient(155deg, rgba(201,162,75,0.08), rgba(92,26,43,0.08));
  border-radius: var(--radius-lg);
  padding: 3em;
}
.valuation-panel .valuation-figure{ font-family: var(--serif); font-size: clamp(2.2rem,5vw,3.4rem); color: var(--gold-bright); margin: .3em 0; }
.valuation-note{
  font-size: 0.85rem;
  color: var(--ivory-dim);
  border-left: 2px solid var(--gold);
  padding-left: 1em;
  margin-top: 1.4em;
}

/* ---------------- Footer ---------------- */
.site-footer{
  background: #08090a;
  border-top: 1px solid var(--line-soft);
  padding: 70px 0 30px;
}
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
@media (max-width: 760px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px){ .footer-grid{ grid-template-columns: 1fr; } }
.footer-grid h4{ font-size: 0.85rem; letter-spacing:.1em; text-transform:uppercase; color: var(--ivory); font-family: var(--sans); }
.footer-grid ul{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:10px; }
.footer-grid ul a{ color: var(--ivory-dim); font-size: 0.9rem; }
.footer-bottom{
  margin-top: 60px; padding-top: 24px; border-top: 1px solid var(--line-soft);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap: 10px;
  font-size: 0.78rem; color: var(--ivory-dim);
}

/* ---------------- Gallery / Lightbox ---------------- */
.gallery-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
@media (max-width:760px){ .gallery-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width:480px){ .gallery-grid{ grid-template-columns: 1fr; } }
.gallery-item{
  position: relative; border-radius: var(--radius-md); overflow:hidden; cursor: zoom-in;
  border: 1px solid var(--line-soft);
  aspect-ratio: 4/5;
}
.gallery-item img{ width:100%; height:100%; object-fit: cover; transition: transform .6s var(--ease); }
.gallery-item:hover img{ transform: scale(1.08); }
.gallery-item .gallery-caption{
  position:absolute; left:0; right:0; bottom:0;
  padding: 14px 16px;
  background: linear-gradient(to top, rgba(0,0,0,0.75), transparent);
  font-size: 0.78rem; color: var(--ivory);
  opacity:0; transform: translateY(8px);
  transition: all .35s var(--ease);
}
.gallery-item:hover .gallery-caption{ opacity:1; transform: translateY(0); }

.lightbox{
  position: fixed; inset:0; background: rgba(5,6,6,0.94);
  display:none; align-items:center; justify-content:center;
  z-index: 2000; padding: 40px;
}
.lightbox.is-open{ display:flex; }
.lightbox img{ max-width: 90vw; max-height: 82vh; border-radius: 8px; box-shadow: var(--shadow-deep); }
.lightbox figcaption{ text-align:center; color: var(--ivory-dim); margin-top: 16px; font-size: 0.9rem; }
.lightbox-close, .lightbox-nav{
  position: absolute; background: rgba(244,236,223,0.08); border: 1px solid var(--line);
  color: var(--ivory); width: 46px; height: 46px; border-radius: 50%;
  display:flex; align-items:center; justify-content:center; cursor:pointer; font-size: 1.2rem;
}
.lightbox-close{ top: 26px; right: 26px; }
.lightbox-nav.prev{ left: 26px; top: 50%; transform: translateY(-50%); }
.lightbox-nav.next{ right: 26px; top: 50%; transform: translateY(-50%); }
.lightbox-close:hover, .lightbox-nav:hover{ border-color: var(--gold-bright); color: var(--gold-bright); }

/* ---------------- Key Characteristics panel ---------------- */
.characteristics{
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--charcoal-raise);
  padding: 2.4em;
}
.characteristics dl{ display:grid; grid-template-columns: repeat(2,1fr); gap: 22px 30px; margin:0; }
@media (max-width: 560px){ .characteristics dl{ grid-template-columns: 1fr; } }
.characteristics dt{ font-size: 0.72rem; text-transform:uppercase; letter-spacing:.1em; color: var(--gold-bright); margin-bottom: 4px; }
.characteristics dd{ margin:0; font-family: var(--serif); font-size: 1.05rem; color: var(--ivory); }

/* ---------------- Timeline ---------------- */
.timeline{ position: relative; margin-left: 12px; padding-left: 40px; border-left: 1px solid var(--line); }
.timeline-item{ position: relative; padding-bottom: 3em; }
.timeline-item:last-child{ padding-bottom: 0; }
.timeline-item::before{
  content:""; position:absolute; left:-46px; top:2px;
  width: 12px; height:12px; border-radius:50%;
  background: var(--charcoal); border: 2px solid var(--gold-bright);
}
.timeline-item .timeline-date{ font-size: 0.78rem; letter-spacing:.1em; text-transform:uppercase; color: var(--gold-bright); margin-bottom: .4em; display:block; }
.timeline-tag{
  display:inline-block; font-size: 0.65rem; text-transform: uppercase; letter-spacing: .08em;
  padding: 3px 10px; border: 1px solid var(--line); border-radius: 20px; color: var(--ivory-dim);
  margin-left: 10px;
}

/* ---------------- Docs layout ---------------- */
.docs-shell{ display:grid; grid-template-columns: 270px 1fr; gap: 50px; align-items:start; }
@media (max-width: 900px){ .docs-shell{ grid-template-columns: 1fr; } }
.docs-sidebar{
  position: sticky; top: 110px;
  border-right: 1px solid var(--line-soft);
  padding-right: 24px;
}
@media (max-width: 900px){ .docs-sidebar{ position: static; border-right:none; padding-right:0; } }
.docs-sidebar h4{ font-size: 0.72rem; text-transform:uppercase; letter-spacing:.12em; color: var(--gold-bright); margin: 1.6em 0 .8em; }
.docs-sidebar h4:first-child{ margin-top:0; }
.docs-sidebar ul{ list-style:none; margin:0 0 .5em; padding:0; display:flex; flex-direction:column; gap: 8px; }
.docs-sidebar a{ color: var(--ivory-dim); font-size: 0.88rem; }
.docs-sidebar a[aria-current="page"], .docs-sidebar a:hover{ color: var(--gold-bright); }
.docs-mobile-toggle{
  display:none; width:100%; text-align:left; margin-bottom: 20px;
  background: var(--charcoal-raise); border:1px solid var(--line); color: var(--ivory);
  padding: 14px 18px; border-radius: 8px; font-family: var(--sans); font-weight:600; cursor:pointer;
}
@media (max-width: 900px){
  .docs-mobile-toggle{ display:flex; align-items:center; justify-content:space-between; }
  .docs-sidebar.collapsed{ display:none; }
}

.breadcrumbs{ font-size: 0.8rem; color: var(--ivory-dim); margin-bottom: 1.6em; }
.breadcrumbs a{ color: var(--ivory-dim); } .breadcrumbs a:hover{ color: var(--gold-bright); }
.breadcrumbs .sep{ margin: 0 8px; opacity: .5; }

.doc-search{
  display:flex; align-items:center; gap: 10px;
  background: var(--charcoal-raise); border: 1px solid var(--line);
  border-radius: 10px; padding: 12px 16px; margin-bottom: 20px;
}
.doc-search input{
  flex:1; background:none; border:none; color: var(--ivory); font-family: var(--sans); font-size: 0.95rem;
}
.doc-search input:focus{ outline:none; }
.doc-search svg{ color: var(--ivory-dim); flex-shrink:0; }

.doc-cats{ display:grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
@media (max-width: 900px){ .doc-cats{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .doc-cats{ grid-template-columns: 1fr; } }

.doc-meta-row{ display:flex; gap: 18px; flex-wrap:wrap; font-size: 0.78rem; color: var(--ivory-dim); margin-bottom: 2em; border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); padding: 14px 0; }
.doc-meta-row strong{ color: var(--ivory); }

.doc-toc{
  background: var(--charcoal-raise); border: 1px solid var(--line-soft);
  border-radius: 10px; padding: 20px 24px; margin-bottom: 2.4em;
}
.doc-toc h4{ font-size: 0.75rem; text-transform:uppercase; letter-spacing:.1em; color: var(--gold-bright); margin: 0 0 .8em; }
.doc-toc ol{ margin:0; padding-left: 1.2em; color: var(--ivory-dim); font-size: 0.92rem; display:flex; flex-direction:column; gap: 6px; }
.doc-toc a{ color: var(--ivory-dim); } .doc-toc a:hover{ color: var(--gold-bright); }

.article-body h2{ margin-top: 1.8em; scroll-margin-top: 120px; }
.article-body h3{ scroll-margin-top: 120px; }
.article-body blockquote{
  border-left: 2px solid var(--gold);
  margin: 1.6em 0; padding: .2em 0 .2em 1.4em;
  font-family: var(--serif); font-style: italic; color: var(--ivory); font-size: 1.1rem;
}
.article-body ul, .article-body ol{ color: var(--ivory-dim); }

.source-list{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap: 10px; }
.source-list li{
  display:flex; align-items:center; justify-content:space-between; gap: 12px;
  border: 1px solid var(--line-soft); border-radius: 8px; padding: 12px 16px;
  background: var(--charcoal-raise);
}
.pill{
  font-size: 0.68rem; text-transform:uppercase; letter-spacing:.06em;
  padding: 3px 9px; border-radius: 20px; border: 1px solid var(--gold-dim); color: var(--gold-bright);
}
.pill.unavailable{ border-color: var(--line); color: var(--ivory-dim); }

.related-articles{ display:grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: .8em; }
@media (max-width: 760px){ .related-articles{ grid-template-columns: 1fr; } }
.related-articles a{
  display:block; border: 1px solid var(--line-soft); border-radius: 10px; padding: 16px;
  color: var(--ivory); font-size: 0.9rem; font-weight: 600; background: var(--charcoal-raise);
  transition: border-color .3s var(--ease);
}
.related-articles a:hover{ border-color: var(--gold-bright); color: var(--gold-bright); }
.related-articles span{ display:block; font-weight:400; color: var(--ivory-dim); font-size:0.8rem; margin-top:4px; }

/* ---------------- FAQ Accordion ---------------- */
.faq-search{ margin-bottom: 30px; }
.faq-item{
  border-bottom: 1px solid var(--line-soft);
}
.faq-item summary{
  list-style:none; cursor:pointer; padding: 22px 0;
  display:flex; align-items:center; justify-content:space-between; gap: 20px;
  font-family: var(--serif); font-size: 1.08rem; color: var(--ivory);
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary .faq-icon{
  flex-shrink:0; width: 28px; height:28px; border-radius:50%; border: 1px solid var(--gold-dim);
  display:flex; align-items:center; justify-content:center; color: var(--gold-bright);
  transition: transform .3s var(--ease);
  font-size: 1rem;
}
.faq-item[open] summary .faq-icon{ transform: rotate(45deg); }
.faq-answer{ padding: 0 0 26px; color: var(--ivory-dim); max-width: 760px; }
.faq-answer a{ color: var(--gold-bright); }
.faq-item[hidden]{ display:none; }

/* ---------------- Forms ---------------- */
.form-panel{
  background: var(--charcoal-raise); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 3em;
}
.form-row{ margin-bottom: 22px; }
.form-row label{ display:block; font-size: 0.78rem; text-transform:uppercase; letter-spacing:.08em; color: var(--gold-bright); margin-bottom: 8px; }
.form-row input, .form-row select, .form-row textarea{
  width:100%; background: var(--charcoal); border: 1px solid var(--line);
  color: var(--ivory); padding: 13px 16px; border-radius: 8px; font-family: var(--sans); font-size: 0.95rem;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{ outline:none; border-color: var(--gold-bright); }
.form-grid-2{ display:grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 620px){ .form-grid-2{ grid-template-columns: 1fr; } }
.form-consent{ display:flex; align-items:flex-start; gap: 12px; font-size: 0.85rem; color: var(--ivory-dim); }
.form-consent input{ margin-top: 4px; width:auto; }
.form-note{
  border-left: 2px solid var(--wine-bright); padding-left: 1em; font-size: 0.88rem; color: var(--ivory-dim);
  margin-bottom: 2em;
}
.form-success{
  display:none; text-align:center; padding: 3em 1em;
}
.form-success.is-visible{ display:block; }
.form-success .icon-check{
  width:64px; height:64px; border-radius:50%; border: 1px solid var(--gold-bright); color: var(--gold-bright);
  display:flex; align-items:center; justify-content:center; margin: 0 auto 1em; font-size: 1.6rem;
}

/* ---------------- Page hero (sub pages) ---------------- */
.page-hero{
  padding: 170px 0 80px;
  background: linear-gradient(180deg, #0a1210, var(--charcoal));
  border-bottom: 1px solid var(--line-soft);
  position: relative;
  overflow: hidden;
}
.page-hero .container{ position:relative; z-index:2; }
.page-hero-media{
  position:absolute; top:0; right:-10%; width:60%; height:100%;
  background-size: cover; background-position: center;
  opacity: 0.18;
  mask-image: linear-gradient(90deg, transparent, black 40%);
}

/* Utility */
.text-center{ text-align:center; }
.mt-0{ margin-top:0; } .mb-0{ margin-bottom:0; }
.max-w{ max-width: 680px; }
.tag-row{ display:flex; gap: 10px; flex-wrap:wrap; margin-bottom: 1.4em; }
.tag{ font-size: 0.68rem; text-transform:uppercase; letter-spacing:.08em; border: 1px solid var(--line); padding: 5px 12px; border-radius: 20px; color: var(--ivory-dim); }
.skip-link{
  position:absolute; left:-999px; top:0; background: var(--gold-bright); color:#111; padding: 10px 16px; z-index: 3000;
}
.skip-link:focus{ left: 10px; top: 10px; }