:root{
  --la-black: #0d0c0b;
  --la-charcoal: #161412;
  --la-charcoal-2: #1f1b18;
  --la-espresso: #2a211b;
  --la-walnut: #3b2b1f;
  --la-umber: #6f4f37;
  --la-stone: #a88f73;
  --la-brass: #c8a84b;
  --la-muted-gold: #b19149;
  --la-cream: #faf6f0;
  --la-parchment: #f0eae0;
  --text-dark: #201814;
  --text-soft: rgba(32,24,20,.72);
  --text-light: rgba(250,246,240,.88);
  --text-light-soft: rgba(250,246,240,.72);
  --heading-font: "Cormorant Garamond", Georgia, serif;
  --body-font: "DM Sans", Arial, sans-serif;
}

*,
*::before,
*::after{
  box-sizing: border-box;
}

html{
  scroll-behavior: smooth;
}

body{
  margin: 0;
  background: var(--la-cream);
  color: var(--text-dark);
  font-family: var(--body-font);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a{
  color: inherit;
  text-decoration: none;
}

.lautary-nav{
  position: fixed;
  top: 14px;
  left: 0;
  right: 0;
  z-index: 90;
  padding: 0 clamp(12px, 2.8vw, 30px);
  pointer-events: none;
}

.lautary-nav .container-fluid{
  max-width: 1240px;
  min-height: 62px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(250,246,240,.12);
  background: rgba(13,12,11,.56);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 18px 48px rgba(0,0,0,.24);
  pointer-events: auto;
}

.lautary-brand{
  margin-left: 18px;
  color: var(--la-cream);
  font-family: var(--heading-font);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.lautary-brand:hover,
.lautary-brand:focus{
  color: #ffffff;
}

.lautary-toggler{
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(250,246,240,.18);
  border-radius: 50%;
  background: rgba(250,246,240,.05);
  box-shadow: none;
}

.toggler-line{
  display: block;
  width: 17px;
  height: 1px;
  margin: 0 auto 4px;
  background: rgba(250,246,240,.88);
}
.toggler-line:last-child{
  margin-bottom: 0;
}

.lautary-nav-links{
  align-items: center;
  gap: 4px;
}

.lautary-nav .nav-link{
  border-radius: 999px;
  padding: 9px 14px;
  color: rgba(250,246,240,.76);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.lautary-nav .nav-link:hover,
.lautary-nav .nav-link.active{
  color: #13100d;
  background: linear-gradient(180deg, #d9bb60, #c8a84b);
}

.audio-hero{
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: var(--la-black);
}

.hero-bg,
.experience-bg{
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.hero-bg{
  animation: softDrift 24s ease-in-out infinite;
}

@keyframes softDrift{
  0%, 100%{ background-position: center 48%; }
  50%{ background-position: center 52%; }
}

.hero-overlay,
.experience-overlay{
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(200,168,75,.12), transparent 30%),
    linear-gradient(90deg, rgba(13,12,11,.82), rgba(13,12,11,.46) 54%, rgba(13,12,11,.66)),
    linear-gradient(180deg, rgba(13,12,11,.22), rgba(13,12,11,.76));
}

.hero-content,
.experience-content{
  position: relative;
  z-index: 2;
}

.hero-content{
  max-width: 840px;
  padding-top: 94px;
  color: var(--text-light);
}

.eyebrow{
  margin: 0 0 12px;
  color: rgba(250,246,240,.84);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.eyebrow.dark{
  color: rgba(32,24,20,.64);
}

h1,
h2,
h3{
  font-family: var(--heading-font);
  letter-spacing: -.02em;
}

h1{
  margin: 0 0 14px;
  font-size: clamp(44px, 5.4vw, 76px);
  font-weight: 600;
  line-height: .96;
}

h2{
  margin: 0 0 14px;
  font-size: clamp(34px, 4.2vw, 56px);
  font-weight: 600;
  line-height: 1.02;
}

h3{
  font-weight: 600;
}

.hero-lead{
  max-width: 720px;
  color: var(--text-light-soft);
  font-size: clamp(16px, 1.45vw, 21px);
  line-height: 1.62;
}

.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn-rt,
.btn-glass{
  border-radius: 999px;
  padding: 12px 18px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.btn-rt{
  border: 0;
  background: linear-gradient(180deg, #d9bb60, #c8a84b);
  color: #17120d;
  box-shadow: 0 14px 34px rgba(200,168,75,.22);
}

.btn-glass{
  border: 1px solid rgba(250,246,240,.22);
  background: rgba(250,246,240,.08);
  color: rgba(250,246,240,.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.audio-intro,
.bridge-section,
.compare-section{
  padding: clamp(72px, 9vw, 118px) 0;
  background:
    radial-gradient(circle at 14% 12%, rgba(200,168,75,.10), transparent 28%),
    linear-gradient(180deg, #fbf8f4, #eee5da);
}

.intro-copy{
  margin: 0;
  color: var(--text-soft);
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.7;
}

.principles{
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.principles article{
  border: 1px solid rgba(111,79,55,.12);
  border-radius: 26px;
  padding: 24px;
  background: rgba(255,255,255,.62);
  box-shadow: 0 18px 46px rgba(13,12,11,.08);
}

.principles span{
  color: var(--la-muted-gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
}

.principles h3{
  margin: 10px 0 8px;
  font-size: 30px;
}

.principles p,
.section-head p,
.bridge-body p,
.bridge-body li{
  color: var(--text-soft);
}

.section-head{
  max-width: 780px;
  margin: 0 auto 38px;
}

.bridge-grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.bridge-card{
  border: 1px solid rgba(111,79,55,.12);
  border-radius: 30px;
  background: rgba(255,255,255,.66);
  box-shadow: 0 20px 52px rgba(13,12,11,.10);
  overflow: hidden;
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.bridge-card:hover,
.bridge-card.active{
  transform: translateY(-3px);
  border-color: rgba(200,168,75,.52);
  box-shadow: 0 28px 68px rgba(13,12,11,.16);
}

.bridge-device{
  min-height: 180px;
  display: grid;
  place-items: center;
  padding: 28px;
  background:
    radial-gradient(circle at 50% 40%, rgba(200,168,75,.16), transparent 36%),
    linear-gradient(135deg, #211b17, #0d0c0b);
}

.device-line{
  position: relative;
  display: block;
  width: min(260px, 92%);
  height: 78px;
  border-radius: 22px;
  background: linear-gradient(180deg, #1f1b18, #0e0d0c);
  box-shadow: 0 22px 54px rgba(0,0,0,.35);
}

.device-line::after{
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 28%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--la-brass), transparent);
}

.device-name{
  position: absolute;
  color: rgba(250,246,240,.84);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.bridge-body{
  padding: 24px;
}

.bridge-body h3{
  margin: 0 0 10px;
  font-size: 34px;
}

.bridge-body ul{
  margin: 18px 0 0;
  padding-left: 18px;
}

.topology-section{
  position: relative;
  overflow: hidden;
  padding: clamp(80px, 10vw, 130px) 0;
  background: linear-gradient(135deg, #15120f, #2a211b);
  color: var(--text-light);
}

.topology-section p{
  color: var(--text-light-soft);
  font-size: 17px;
  line-height: 1.7;
}

.topology-map{
  position: relative;
  min-height: 520px;
  border: 1px solid rgba(250,246,240,.12);
  border-radius: 34px;
  background:
    radial-gradient(circle at 50% 50%, rgba(200,168,75,.16), transparent 36%),
    rgba(250,246,240,.04);
  box-shadow: 0 30px 80px rgba(0,0,0,.28);
  overflow: hidden;
}

.map-core,
.map-node,
.map-room{
  position: absolute;
  border: 1px solid rgba(250,246,240,.14);
  background: rgba(13,12,11,.54);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 18px 42px rgba(0,0,0,.22);
}

.map-core{
  left: 50%;
  top: 50%;
  width: 210px;
  height: 210px;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  text-align: center;
  border-radius: 50%;
}

.map-core strong{
  display: block;
  color: #fff;
  font-family: var(--heading-font);
  font-size: 30px;
  line-height: 1;
}

.map-core small,
.map-node small{
  display: block;
  color: rgba(250,246,240,.58);
}

.map-kicker{
  color: rgba(200,168,75,.92);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.map-node{
  width: 170px;
  border-radius: 22px;
  padding: 16px;
  color: #fff;
}

.map-node span{
  display: block;
  font-weight: 700;
}

.node-line{ left: 8%; top: 16%; }
.node-amp{ right: 8%; top: 16%; }
.node-theater{ left: 50%; bottom: 8%; transform: translateX(-50%); }

.map-room{
  border-radius: 999px;
  padding: 9px 12px;
  color: rgba(250,246,240,.76);
  font-size: 12px;
  font-weight: 700;
}

.r1{ left: 9%; bottom: 24%; }
.r2{ right: 10%; bottom: 25%; }
.r3{ left: 50%; top: 12%; transform: translateX(-50%); }

.map-link{
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200,168,75,.66), transparent);
  transform-origin: center;
}

.l1{ width: 260px; left: 22%; top: 39%; transform: rotate(24deg); }
.l2{ width: 260px; right: 22%; top: 39%; transform: rotate(-24deg); }
.l3{ width: 260px; left: 50%; bottom: 30%; transform: translateX(-50%) rotate(90deg); }

.experience-section{
  position: relative;
  min-height: 82svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--la-black);
  padding: clamp(86px, 11vw, 126px) 0;
}

.experience-card{
  border: 1px solid rgba(250,246,240,.16);
  border-radius: 28px;
  padding: 24px;
  background: rgba(13,12,11,.42);
  color: var(--text-light);
  box-shadow: 0 24px 68px rgba(0,0,0,.28);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.experience-card span{
  color: rgba(200,168,75,.92);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.experience-card h3{
  margin: 10px 0 8px;
  font-size: 38px;
}

.table-wrap{
  overflow-x: auto;
  border: 1px solid rgba(111,79,55,.12);
  border-radius: 26px;
  background: rgba(255,255,255,.64);
  box-shadow: 0 20px 52px rgba(13,12,11,.10);
}

.bridge-table{
  width: 100%;
  border-collapse: collapse;
  min-width: 780px;
}

.bridge-table th,
.bridge-table td{
  padding: 18px 20px;
  border-bottom: 1px solid rgba(111,79,55,.12);
  vertical-align: top;
}

.bridge-table th{
  color: rgba(32,24,20,.62);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.bridge-table td:first-child{
  font-weight: 700;
}

@media (max-width: 991.98px){
  .principles,
  .bridge-grid{
    grid-template-columns: 1fr;
  }

  .topology-map{
    min-height: 620px;
  }

  .map-core{
    top: 42%;
  }

  .node-line{ left: 6%; top: 10%; }
  .node-amp{ right: 6%; top: 10%; }
  .node-theater{ bottom: 10%; }

  .l1,
  .l2,
  .l3{
    display: none;
  }
}

@media (max-width: 767.98px){
  .lautary-nav{
    top: 10px;
    padding-inline: 12px;
  }

  .lautary-nav .container-fluid{
    border-radius: 28px;
  }

  .lautary-brand{
    margin-left: 8px;
    font-size: 19px;
  }

  #lautaryAudioNav{
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(250,246,240,.10);
  }

  .lautary-nav-links{
    align-items: stretch;
  }

  .audio-hero{
    min-height: 92svh;
  }

  .hero-content{
    padding-top: 116px;
  }

  .hero-actions{
    flex-direction: column;
    align-items: flex-start;
  }

  .topology-map{
    min-height: 720px;
  }

  .map-core{
    width: 180px;
    height: 180px;
  }

  .map-node{
    width: 150px;
  }

  .node-line{ left: 6%; top: 8%; }
  .node-amp{ right: 6%; top: 22%; }
  .node-theater{ bottom: 8%; }
}

@media (prefers-reduced-motion: reduce){
  html{
    scroll-behavior: auto;
  }

  .hero-bg{
    animation: none !important;
  }
}


/* v1.1 bridge product images */
.bridge-device{
  min-height: 210px;
  display: grid;
  place-items: center;
  padding: 0;
  background:
    radial-gradient(circle at 50% 44%, rgba(200,168,75,.18), transparent 38%),
    linear-gradient(135deg, #211b17, #0d0c0b);
}

.bridge-device img{
  width: 100%;
  height: 100%;
  min-height: 210px;
  object-fit: cover;
  object-position: center;
  display: block;
}

.device-line,
.device-name{
  display: none;
}

/* v1.1 tidier topology section with marble background */
.topology-section{
  background:
    linear-gradient(135deg, rgba(13,12,11,.86), rgba(42,33,27,.76)),
    url("../img/marble-brown.jpg");
  background-size: cover;
  background-position: center;
  color: var(--text-light);
}

.topology-section::before{
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 28% 18%, rgba(200,168,75,.14), transparent 32%),
    radial-gradient(circle at 80% 70%, rgba(111,79,55,.20), transparent 38%);
  pointer-events: none;
}

.topology-section .container{
  position: relative;
  z-index: 2;
}

.topology-map{
  min-height: 500px;
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(250,246,240,.08), rgba(250,246,240,.035));
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.map-core{
  width: 220px;
  height: 220px;
  border-color: rgba(200,168,75,.28);
  background:
    radial-gradient(circle at 50% 38%, rgba(200,168,75,.20), transparent 48%),
    rgba(13,12,11,.62);
}

.map-node{
  border-color: rgba(200,168,75,.18);
  background: rgba(13,12,11,.56);
}

.map-room{
  border-color: rgba(200,168,75,.14);
  background: rgba(13,12,11,.42);
}

.map-link{
  height: 2px;
  opacity: .82;
}

@media (max-width: 991.98px){
  .bridge-device,
  .bridge-device img{
    min-height: 240px;
  }
}

@media (max-width: 575.98px){
  .bridge-device,
  .bridge-device img{
    min-height: 190px;
  }
}

/* v2 cinematic snap experience */
body{
  background: var(--la-black);
}

#snapRoot{
  height: 100svh;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  scroll-snap-type: y mandatory;
  scroll-padding-top: 0;
}

.scene{
  position: relative;
  min-height: 100svh;
  height: 100svh;
  padding: clamp(88px, 8vw, 112px) 0 58px;
  display: grid;
  align-items: center;
  scroll-snap-align: start;
  isolation: isolate;
  overflow: hidden;
}

.audio-hero,
.experience-section{
  min-height: 100svh;
}

.audio-intro,
.bridge-section,
.compare-section{
  padding: clamp(88px, 8vw, 112px) 0 58px;
}

.topology-section{
  padding: clamp(88px, 8vw, 112px) 0 58px;
}

.rt-progress{
  position: fixed;
  right: clamp(16px, 2.6vw, 34px);
  top: 50%;
  z-index: 80;
  transform: translateY(-50%);
  flex-direction: column;
  gap: 12px;
}

.rt-progress .dot{
  width: 10px;
  height: 10px;
  padding: 0;
  border: 1px solid rgba(250,246,240,.40);
  border-radius: 50%;
  background: rgba(250,246,240,.22);
  box-shadow: 0 0 0 0 rgba(200,168,75,.0);
  transition: background .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.rt-progress .dot.active{
  border-color: rgba(200,168,75,.92);
  background: var(--la-brass);
  box-shadow: 0 0 0 7px rgba(200,168,75,.14);
  transform: scale(1.08);
}

.scroll-arrow{
  position: fixed;
  right: 14px;
  z-index: 85;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(250,246,240,.16);
  border-radius: 50%;
  background: rgba(13,12,11,.50);
  color: rgba(250,246,240,.90);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: grid;
  place-items: center;
}

.scroll-arrow.up{
  bottom: 66px;
}

.scroll-arrow.down{
  bottom: 16px;
}

.scroll-arrow:disabled{
  opacity: .35;
}

.aspect-icon{
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  border: 1px solid rgba(200,168,75,.26);
  border-radius: 16px;
  background:
    radial-gradient(circle at 50% 30%, rgba(200,168,75,.18), transparent 58%),
    rgba(13,12,11,.05);
  color: var(--la-muted-gold);
  font-size: 20px;
}

.bridge-body h3{
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(27px, 2.6vw, 34px);
}

.bridge-body h3 i{
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border-radius: 14px;
  background: rgba(200,168,75,.12);
  color: var(--la-muted-gold);
  font-size: 18px;
}

.bridge-section .section-head{
  margin-bottom: 22px;
}

.bridge-grid{
  gap: 14px;
}

.bridge-device,
.bridge-device img{
  min-height: 156px;
}

.bridge-body{
  padding: 18px;
}

.bridge-body p{
  margin-bottom: 10px;
}

.bridge-body ul{
  margin-top: 10px;
}

.bridge-body li{
  font-size: 14px;
  line-height: 1.45;
}

.principles{
  margin-top: 34px;
}

.principles article{
  border-radius: 22px;
}

.compare-section .section-head{
  margin-bottom: 22px;
}

@media (max-width: 1199.98px){
  .bridge-body li{
    font-size: 13px;
  }
}

@media (max-width: 991.98px){
  .scene{
    height: auto;
    min-height: 100svh;
    overflow: visible;
  }

  .bridge-device,
  .bridge-device img{
    min-height: 220px;
  }
}

@media (max-width: 767.98px){
  #snapRoot{
    scroll-snap-type: y proximity;
  }

  .scene{
    padding: 112px 0 86px;
  }

  .audio-hero{
    min-height: 100svh;
  }

  .hero-actions .btn{
    width: min(100%, 310px);
  }

  .bridge-body h3{
    font-size: 29px;
  }

  .table-wrap{
    border-radius: 20px;
  }
}

@media (prefers-reduced-motion: reduce){
  #snapRoot{
    scroll-behavior: auto;
    scroll-snap-type: none;
  }
}

/* v2.1 listening scene contrast pass */
.experience-section .experience-overlay{
  background:
    radial-gradient(circle at 22% 18%, rgba(200,168,75,.18), transparent 30%),
    linear-gradient(90deg, rgba(13,12,11,.78), rgba(13,12,11,.50) 52%, rgba(13,12,11,.82)),
    linear-gradient(180deg, rgba(13,12,11,.20), rgba(13,12,11,.72));
}

.experience-section .experience-content .row > .col-lg-7{
  max-width: 720px;
  border: 1px solid rgba(250,246,240,.14);
  border-radius: 30px;
  padding: clamp(22px, 3.2vw, 36px);
  background:
    radial-gradient(circle at 16% 8%, rgba(200,168,75,.16), transparent 34%),
    rgba(13,12,11,.56);
  box-shadow: 0 28px 78px rgba(0,0,0,.34);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.experience-section .experience-content h2{
  color: #fff;
  text-shadow: 0 14px 34px rgba(0,0,0,.42);
}

.experience-section .experience-content .col-lg-7 > p:not(.eyebrow){
  color: rgba(250,246,240,.82);
  text-shadow: 0 10px 26px rgba(0,0,0,.34);
}

.experience-section .experience-card{
  border-color: rgba(200,168,75,.22);
  background:
    linear-gradient(180deg, rgba(250,246,240,.94), rgba(240,234,224,.88));
  color: var(--text-dark);
  box-shadow: 0 22px 56px rgba(0,0,0,.30);
}

.experience-section .experience-card h3{
  color: var(--text-dark);
}

.experience-section .experience-card p{
  color: rgba(32,24,20,.68);
}

@media (max-width: 767.98px){
  .experience-section .experience-content .row > .col-lg-7{
    border-radius: 24px;
    padding: 22px;
  }
}

.context-link{
  color: var(--la-brass);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: rgba(200,168,75,.45);
  text-underline-offset: 3px;
}

.context-link:hover{
  color: #d9bb60;
  text-decoration-color: rgba(217,187,96,.78);
}