/* ============================================================
   True North Illumination — Architectural Lighting
   Design tokens — light theme, blue action color
   ============================================================ */
:root{
  --bg-page:        #ffffff;
  --bg-panel:       #f5f6f8;
  --bg-panel-2:     #eceef2;
  --bg-panel-3:     #e3e6ec;
  --line-hair:      rgba(10,12,16,.09);
  --line-hair-2:    rgba(10,12,16,.16);

  --text-primary:   #12141a;
  --text-muted:     #5b5f6b;
  --text-faint:     #8b909c;

  --amber:          #e8a33d;
  --amber-soft:     #f4c874;

  --blue:           #0067ff;
  --blue-dark:      #0052cc;
  --blue-soft:      #4d94ff;

  --bar-dark:       #0b0d10;
  --nav-text:       rgba(255,255,255,.72);

  --radius-sm: 4px;
  --radius-md: 10px;

  --ff-display: 'Space Grotesk', sans-serif;
  --ff-body:    'Inter', sans-serif;
  --ff-mono:    'JetBrains Mono', monospace;

  --kelvin: 40%;
}

::selection{ background: var(--blue); color:#fff; }

html{
  scroll-behavior: smooth;
  min-height: 100%;
  box-sizing: border-box;
}
*, *::before, *::after{
  box-sizing: inherit;
}

body{
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--ff-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior:auto !important; }
}

a{ color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, .btn:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

h1,h2,h3,h4,h5{
  font-family: var(--ff-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: 0;
}

.eyebrow{
  font-family: var(--ff-mono);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: .6em;
}
.eyebrow::before{
  content:'';
  width: 22px; height: 1px;
  background: var(--blue);
  display: inline-block;
}
.eyebrow-light{ color: var(--amber-soft); }
.eyebrow-light::before{ background: var(--amber-soft); }

.text-muted-arc{ color: var(--text-muted); }
.container-arc{ 
  max-width: 1220px;
   margin-inline:auto; 
   padding-inline: 1.5rem; 
  }

section{ position: relative; }
/* .section-pad{ padding-block: clamp(4rem, 8vw, 7.5rem); } */

/* ============================================================
   Light-line signature element
   ============================================================ */
.light-line{
  --c1: hsl(calc(48 - var(--kelvin, 40) * 0.35), 85%, 55%);
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, transparent, var(--c1), transparent);
  box-shadow: 0 0 18px 2px var(--c1), 0 0 3px var(--c1);
  position: relative;
  overflow: visible;
}
.light-line.static{ --c1: var(--amber); }
.divider-channel{
  width: 100%;
  height: 1px;
  background: var(--line-hair);
  position: relative;
  margin-block: 0;
}
.divider-channel::after{
  content:'';
  position:absolute; left:50%; top:50%; translate: -50% -50%;
  width: 64px; height: 3px; border-radius: 3px;
  background: var(--amber);
  box-shadow: 0 0 14px 2px var(--amber);
}

/* ============================================================
   Fixed header: topbar + navbar
   ============================================================ */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 1030;
}
.topbar-arc{
  position: relative;
  z-index: 2;
  background: var(--bar-dark);
  overflow: hidden;
  height: 38px;
  transition: height .3s ease, padding .3s ease, opacity .3s ease;
  display:flex; align-items:center;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.topbar-arc .container-arc,
.topbar-arc .container-fluid{
  display:flex; justify-content:space-between; align-items:center; gap:1.6rem;
  width:100%;
}
.topbar-arc .topbar-left,
.topbar-arc .topbar-right{
  display:flex; align-items:center;
}
.topbar-arc .topbar-right{ margin-left:auto; }
.topbar-arc a{
  color: var(--nav-text);
  font-family: var(--ff-mono);
  font-size: .74rem;
  letter-spacing: .03em;
  display:inline-flex; align-items:center; gap:.45rem;
  transition: color .2s ease;
}
.topbar-arc a svg{
  width: 14px; height: 14px;
  fill: currentColor;
  flex-shrink: 0;
}
.topbar-arc a:hover{ color:#fff; }

.site-header.scrolled .topbar-arc{
  height: 0;
  opacity: 0;
  border-bottom-width: 0;
  border-bottom-color: transparent;
}

.navbar-arc{
  position: relative;
  z-index: 1;
  padding-block: 1.15rem;
  background: linear-gradient(180deg, rgba(11,13,16,.85), rgba(11,13,16,0));
  transition: padding .3s ease, background .3s ease, border-color .3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled .navbar-arc{
  padding-block: .65rem;
  background: rgba(11,13,16,.92);
  backdrop-filter: blur(10px);
  border-bottom-color: rgba(255,255,255,.08);
}
.brand-mark{
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: .01em;
  display:inline-flex; align-items:center; gap:.55rem;
  color:#fff;
}
.brand-mark .dot{
  width:8px; height:8px; border-radius:50%;
  background: var(--amber);
  box-shadow: 0 0 10px 2px var(--amber);
}
.nav-arc .nav-link{
  font-family: var(--ff-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--nav-text);
  padding: .5rem 1rem;
  position: relative;
  transition: color .2s ease;
}
.nav-arc .nav-link:hover, .nav-arc .nav-link.active{ color: #fff; }
.nav-arc .nav-link.active::after{
  content:''; position:absolute; left:1rem; right:1rem; bottom: .15rem; height:1px; background: var(--blue-soft);
}


element.style {
}
@media (min-width: 992px) {
    .navbar-expand-lg .navbar-nav .nav-link {
        padding-right: var(--bs-navbar-nav-link-padding-x);
        padding-left: var(--bs-navbar-nav-link-padding-x);
    }
}
.navbar-nav .nav-link.active, .navbar-nav .nav-link.show{
  color: #fff;
}

.btn-arc{
  font-family: var(--ff-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .75rem 1.4rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all .25s ease;
  display: inline-flex; align-items: center; gap: .5rem;
  white-space: nowrap;
}
.btn-arc-solid{
  background: var(--blue);
  color: #fff;
}
.btn-arc-solid:hover{ background: var(--blue-dark); color:#fff; transform: translateY(-1px); }
.btn-arc-outline{
  border-color: var(--line-hair-2);
  color: var(--text-primary);
  background: transparent;
}
.btn-arc-outline:hover{ border-color: var(--blue); color: var(--blue); }
.btn-arc-outline-light{
  border-color: rgba(255,255,255,.5);
  color:#fff;
  background: transparent;
}
.btn-arc-outline-light:hover{ border-color:#fff; background: rgba(255,255,255,.1); }

/* ============================================================
   Hero — full-bleed video background
   ============================================================ */
.hero-video{
  position: relative;
  min-height: calc(100svh - 8.5rem);
  display:flex;
  align-items:center;
  padding-top: 8.5rem;
  padding-bottom: 1.5rem;
  overflow: hidden;
  background: var(--bar-dark);
}

@media (max-width: 991px){
  .hero-video{
    min-height: calc(100svh - 7rem);
    padding-top: 7rem;
    padding-bottom: 1rem;
  }
}
.section-product-gallery{
  position: relative;
  background: #000;
}
.product-scroll-sequence{
  position: relative;
  height: 260vh;
}
.product-scroll-sticky{
  position: sticky;
  top: 0;
  width: 100vw;
  height: 100svh;
  min-height: 100svh;
  margin-left: calc(50% - 50vw);
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #000;
}
.product-frame-canvas{
  width: 100%;
  height: 100%;
  display: block;
  position: relative;
  z-index: 1;
}
.product-frame-poster{
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: transparent;
}
.product-scroll-caption{
  position: absolute;
  right: 1.25rem;
  bottom: 1.25rem;
  padding: .55rem .8rem;
  color: rgba(255,255,255,.78);
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 999px;
  background: rgba(13,14,16,.58);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
@media (prefers-reduced-motion: reduce){
  .product-scroll-sequence{ height: auto; }
  .product-scroll-sticky{ position: relative; top: auto; }
  .product-scroll-caption{ display: none; }
}
.product-slider{
  position: relative;
  min-height: 420px;
  display: block;
  overflow: hidden;
}
.product-slide{
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  transition: opacity .35s ease, visibility .35s ease, transform .35s ease;
  transform: translateY(12px);
}
.product-slide.active{
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  z-index: 1;
}
.product-slide img,
.product-slide video{
  width: 100%;
  max-height: 520px;
  border-radius: var(--radius-md);
  object-fit: cover;
  box-shadow: 0 28px 70px rgba(10,15,38,.16);
}
.product-slide video{
  max-height: 480px;
}
.slide-label{
  font-family: var(--ff-display);
  font-size: 1rem;
  letter-spacing: .03em;
  text-transform: uppercase;
  color: var(--text-primary);
}
.slider-dots{
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  justify-content: center;
}
.slider-dot{
  width: 12px;
  height: 12px;
  border-radius: 999px;
  border: 1px solid var(--line-hair);
  background: transparent;
  transition: background .2s ease, transform .2s ease;
}
.slider-dot.active{
  background: var(--blue);
  transform: scale(1.2);
}
@media (max-width: 767px){
  .product-slide img,
  .product-slide video{
    max-height: 360px;
  }
}
.hero-video-bg{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit: cover;
  z-index: 0;
}
.hero-overlay{
  position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(6,7,9,.78) 0%, rgba(6,7,9,.4) 42%, rgba(6,7,9,.55) 70%, rgba(6,7,9,.88) 100%);
  z-index: 1;
}
.hero-content{ position:relative; z-index: 2; padding-inline: clamp(1.5rem, 4vw, 3rem); min-height: 100%; }
.hero-content .kelvin-chip{ max-width: 320px; }
.display-headline{
  font-family: var(--ff-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(2.1rem, 5.2vw, 4.1rem);
  line-height: 1.06;
  color: #fff;
  letter-spacing: .005em;
}
.lede-light{
  font-size: 1.1rem;
  color: rgba(255,255,255,.82);
}
.hero-ground-line{
  position:absolute; left:8%; right:8%; bottom:13%; z-index:2;
}
.kelvin-chip{
  position:relative; z-index:2;
  max-width: 320px;
  background: rgba(10,11,13,.55);
  border: 1px solid rgba(255,255,255,.16);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
}
.kelvin-chip .row-top{
  display:flex; justify-content:space-between; align-items:baseline;
  font-family: var(--ff-mono); font-size:.66rem; letter-spacing:.08em; text-transform: uppercase;
  color: rgba(255,255,255,.65); margin-bottom:.5rem;
}
#kelvinValue{ color: #fff; font-weight: 600; }
input[type=range].kelvin-slider{
  -webkit-appearance:none; appearance:none;
  width:100%; height:3px; border-radius:3px;
  background: linear-gradient(90deg, #ffb454, #fff3d6 45%, #cfe0ff 75%, #7ea3ff);
  outline:none;
}
input[type=range].kelvin-slider::-webkit-slider-thumb{
  -webkit-appearance:none; width:16px; height:16px; border-radius:50%;
  background:#fff; border:3px solid #14110a; cursor:pointer;
  box-shadow: 0 0 0 1px rgba(255,255,255,.4);
}
input[type=range].kelvin-slider::-moz-range-thumb{
  width:16px; height:16px; border-radius:50%; background:#fff; border:3px solid #14110a; cursor:pointer;
}


/* legacy hero-stage (still used on <?= route_to('services') ?> illustrative panels) */
.hero-stage{
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-hair);
  background: linear-gradient(180deg, var(--bg-panel), var(--bg-page));
  overflow: hidden;
}
.hero-stage svg{ width:100%; height:100%; display:block; }

/* ============================================================
   Stat ticker
   ============================================================ */
.stat-strip{
  border-top: 1px solid rgba(0,103,255,.16);
  border-bottom: 1px solid rgba(0,103,255,.16);
  padding-block: 3.6rem;
  background: linear-gradient(135deg, rgba(0,103,255,.04), rgba(255,255,255,.98) 40%, rgba(0,103,255,.03));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.7);
  position: relative;
  overflow: hidden;
}
.stat-strip-bg-dots{
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(0,103,255,.08) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  opacity: 0.6;
}
.stat-strip-line{
  position: absolute;
  left: 5%;
  right: 5%;
  top: 0;
  z-index: 1;
  opacity: 0.6;
}
.stat-item{
  padding: 0.5rem;
  position: relative;
  z-index: 2;
}
.stat-card{
  text-align: center;
  padding: 1.6rem 1rem 1.2rem;
  background: rgba(255,255,255,.6);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(0,103,255,.08);
  border-radius: var(--radius-md);
  transition: all .35s cubic-bezier(.22,.68,0,1);
  position: relative;
  overflow: hidden;
}
.stat-card::before{
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-md);
  padding: 1px;
  background: linear-gradient(135deg, rgba(0,103,255,.15), transparent 50%, rgba(0,103,255,.08));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity .35s ease;
}
.stat-card:hover{
  transform: translateY(-6px);
  border-color: rgba(0,103,255,.2);
  background: rgba(255,255,255,.85);
  box-shadow: 0 18px 40px -18px rgba(0,103,255,.25), 0 0 0 1px rgba(0,103,255,.1);
}
.stat-card:hover::before{ opacity: 1; }
.stat-icon{
  width: 44px;
  height: 44px;
  margin: 0 auto 0.8rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,103,255,.07);
  border: 1px solid rgba(0,103,255,.15);
  color: var(--blue);
  transition: all .35s cubic-bezier(.22,.68,0,1);
}
.stat-card:hover .stat-icon{
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
  transform: scale(1.1) rotate(-3deg);
  box-shadow: 0 8px 24px -8px rgba(0,103,255,.35);
}
.stat-num{
  font-family: var(--ff-display);
  font-size: clamp(1.8rem, 3.4vw, 2.8rem);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.02em;
  line-height: 1.15;
  transition: color .3s ease;
}
.stat-card:hover .stat-num{ color: var(--blue); }
.stat-num .unit{ color: var(--blue); font-size: .55em; margin-left:.1em; }
.stat-label{
  font-family: var(--ff-mono);
  font-size: .65rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: .45rem;
  line-height: 1.4;
}
.stat-bar{
  width: 0;
  height: 2px;
  margin: 0.8rem auto 0;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--blue), var(--blue-soft));
  transition: width 1.2s cubic-bezier(.22,.68,0,1);
}
.stat-strip.in-view .stat-bar{
  width: 48px;
}
.stat-num.pulse-complete{
  animation: statPulse .45s ease;
}

}



  height: 500px;
  background: radial-gradient(circle, rgba(0,103,255,.12), transparent 70%);
  top: -120px;
  left: -100px;
  animation: diffGlowFloat 8s ease-in-out infinite alternate;
}
.diff-glow-2{
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(232,163,61,.1), transparent 70%);
  bottom: -80px;
  right: -60px;
  animation: diffGlowFloat 10s ease-in-out infinite alternate-reverse;
}
.diff-glow-3{
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(0,103,255,.08), transparent 70%);
  top: 40%;
  right: 10%;
  animation: diffGlowFloat 12s ease-in-out infinite alternate;
}
@keyframes diffGlowFloat{
  0%{ transform: translate(0, 0) scale(1); }
  100%{ transform: translate(30px, -20px) scale(1.15); }
}
.diff-light-line{
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue-soft), rgba(0,103,255,.3), var(--blue-soft), transparent);
  z-index: 1;
  opacity: 0.4;
}
.diff-light-line::after{
  content: '';
  position: absolute;
  left: 50%;
  top: -6px;
  transform: translateX(-50%);
  width: 80px;
  height: 12px;
  background: radial-gradient(ellipse 50% 50%, rgba(0,103,255,.2), transparent);
  filter: blur(4px);
}

/* ============================================================
   Difference section — background image + glass cards
   ============================================================ */
.section-difference{
  position: relative;
  overflow: hidden;
  padding-block: clamp(3rem, 6vw, 5rem);
}
.diff-bg-image{
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
  z-index: 0;
  transform: scale(1);
  transition: transform 8s ease-out;
  will-change: transform;
}
.section-difference.in-view .diff-bg-image{
  transform: scale(1.08);
}
.diff-overlay{
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255,255,255,.72) 20%,
    rgba(255,255,255,.40) 45%,
    rgba(245,246,248,.55) 75%,
    rgba(255,255,255,.72) 100%
  );
  z-index: 1;
}
@media (max-width: 767px){
  .section-difference{
    padding-block: 2rem;
  }
}
/* Ensure section-difference children sit above the overlay */
.section-difference .container-arc{
  position: relative;
  z-index: 4;
}
.section-difference .diff-bg-glow{
  z-index: 3;
  pointer-events: none;
}
.section-difference .diff-light-line{
  z-index: 4;
}
.text-light-arc{
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}
.card-arc-glass{
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px) saturate(1.2);
  -webkit-backdrop-filter: blur(12px) saturate(1.2);
  border: 1px solid rgba(255,255,255,.7);
  box-shadow: 0 8px 32px rgba(10,20,40,.08), 0 1px 4px rgba(10,20,40,.04);
  transition: all .35s cubic-bezier(.22,.68,0,1);
}
.card-arc-glass:hover{
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(16px) saturate(1.3);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  border-color: rgba(0,103,255,.25);
  box-shadow: 0 20px 48px -18px rgba(0,103,255,.25), 0 0 0 1px rgba(0,103,255,.1);
  transform: translateY(-4px);
}

/* ============================================================
   Reusable section background image pattern
   ============================================================ */
.sec-bg-image{
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
  transform: scale(1);
  transition: transform 8s ease-out;
  will-change: transform;
}
.sec-overlay{
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255,255,255,.90) 20%,
    rgba(255,255,255,.58) 45%,
    rgba(245,246,248,.78) 75%,
    rgba(255,255,255,.92) 100%
  );
  z-index: 1;
}
.section-services,
.section-smart-control,
.section-projects,
.section-testimonials,
.section-cta-home{
  position: relative;
  overflow: hidden;
}
.section-services .container-arc,
.section-smart-control .container-arc,
.section-projects .container-arc,
.section-testimonials .container-arc,
.section-cta-home .container-arc{
  position: relative;
  z-index: 2;
}
.section-services.in-view .sec-bg-image,
.section-smart-control.in-view .sec-bg-image,
.section-projects.in-view .sec-bg-image,
.section-testimonials.in-view .sec-bg-image,
.section-cta-home.in-view .sec-bg-image{
  transform: scale(1.06);
}

/* ============================================================
   Cards
   ============================================================ */
.card-arc{
  background: var(--bg-panel);
  border: 1px solid var(--line-hair);
  border-radius: var(--radius-md);
  padding: 2rem;
  height: 100%;
  transition: border-color .25s ease, transform .25s ease, background .25s ease, box-shadow .25s ease;
}
.card-arc:hover{
  border-color: var(--blue-soft);
  transform: translateY(-4px);
  background: #fff;
  box-shadow: 0 18px 40px -24px rgba(10,20,40,.25);
}
.card-arc .idx{
  font-family: var(--ff-mono);
  font-size: .72rem;
  color: var(--text-faint);
  letter-spacing: .1em;
}
.card-icon{
  width: 46px; height: 46px;
  border-radius: var(--radius-sm);
  display:flex; align-items:center; justify-content:center;
  background: rgba(0,103,255,.08);
  border: 1px solid rgba(0,103,255,.22);
  color: var(--blue);
  margin-bottom: 1.4rem;
}
.card-arc h3{ font-size: 1.25rem; margin-bottom:.6rem; }
.card-arc p{ color: var(--text-muted); font-size: .94rem; margin-bottom: 0;}

.link-arrow{
  font-family: var(--ff-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--blue);
  display:inline-flex; align-items:center; gap:.4rem;
  margin-top: 1.2rem;
}
.link-arrow svg{ transition: transform .2s ease; }
.card-arc:hover .link-arrow svg{ transform: translateX(4px); }

/* ============================================================
   Smart control / scene switcher
   ============================================================ */
.scene-panel{
  background: var(--bg-panel);
  border: 1px solid var(--line-hair);
  border-radius: var(--radius-md);
  padding: 2rem;
}
.scene-panel-glass{
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border: 1px solid rgba(255,255,255,.72);
  box-shadow: 0 8px 32px rgba(10,20,40,.08);
}
.scene-preview{
  aspect-ratio: 16/10;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-hair);
  position: relative;
  overflow: hidden;
  margin-bottom: 1.5rem;
  background: #050506;
  transition: background 1.2s ease;
}
.scene-preview .glow-bar{
  position:absolute; left:8%; right:8%; bottom: 20%;
  height:4px; border-radius:4px;
  transition: box-shadow 1.2s ease, background 1.2s ease;
}
.scene-btn{
  font-family: var(--ff-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .7rem .5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-hair-2);
  background: transparent;
  color: var(--text-muted);
  transition: all .2s ease;
  width: 100%;
}
.scene-btn:hover{ color: var(--text-primary); border-color: var(--blue); }
.scene-btn.active{
  color: #fff;
  background: var(--blue);
  border-color: var(--blue);
}

.phone-mock{
  width: min(240px, 60vw);
  aspect-ratio: 9/18.5;
  margin-inline:auto;
  border-radius: 34px;
  border: 8px solid #1c1d20;
  background: #08090a;
  box-shadow: 0 30px 60px -20px rgba(20,30,50,.35), 0 0 0 1px rgba(0,0,0,.04);
  position: relative;
  overflow:hidden;
}
.phone-mock .screen-top{
  padding: 1.4rem 1rem .6rem;
  font-family: var(--ff-mono);
  font-size: .6rem;
  color: rgba(255,255,255,.5);
  letter-spacing:.08em;
  text-transform:uppercase;
}
.phone-mock .screen-scene{
  margin: 0 1rem;
  border-radius: 10px;
  padding: 1rem;
  background: #17181b;
  border: 1px solid rgba(255,255,255,.08);
}
.phone-mock .screen-scene .name{ font-family: var(--ff-display); font-weight:600; font-size:.95rem; color:#fff;}
.phone-mock .screen-dot-row{ display:flex; gap:.4rem; margin-top:.8rem; }
.phone-mock .screen-dot{ width:22px; height:22px; border-radius:50%; }

/* ============================================================
   Projects gallery
   ============================================================ */
.project-card{
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line-hair);
  background: var(--bg-panel);
}
.project-card svg{ width:100%; height:100%; display:block; }
.project-card .meta{
  position:absolute; left:0; right:0; bottom:0;
  padding: 1.2rem;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.8) 55%);
  transform: translateY(8px);
  opacity: .85;
  transition: transform .3s ease, opacity .3s ease;
}
.project-card:hover .meta{ transform: translateY(0); opacity:1; }
.project-card .meta .tag{
  font-family: var(--ff-mono); font-size:.65rem; letter-spacing:.08em; text-transform:uppercase; color: var(--amber-soft);
}
.project-card .meta h4{ font-size:1.05rem; margin-top:.2rem; color:#fff; }

/* ============================================================
   Testimonial / quote band
   ============================================================ */
.quote-band{
  border-top: 1px solid var(--line-hair);
  border-bottom: 1px solid var(--line-hair);
  background: var(--bg-panel);
}
.quote-slide{ display:none; }
.quote-slide.active{ display:block; }
.quote-slide blockquote{
  font-family: var(--ff-display);
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  line-height: 1.4;
  color: var(--text-primary);
  max-width: 46rem;
}
.quote-cite{
  font-family: var(--ff-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 1.2rem;
}
.quote-dots{ display:flex; gap:.5rem; margin-top: 2rem; }
.quote-dots button{
  width: 24px; height: 3px; border-radius: 3px; border:none;
  background: var(--line-hair-2);
  transition: background .2s ease, width .2s ease;
}
.quote-dots button.active{ background: var(--blue); width: 40px; }

/* ============================================================
   CTA band
   ============================================================ */
.cta-band{
  background: linear-gradient(135deg, #eaf1ff, #ffffff 65%);
  border-radius: var(--radius-md);
  padding: clamp(2.5rem, 6vw, 4.5rem);
  border: 1px solid rgba(0,103,255,.18);
  position: relative;
  overflow:hidden;
}
.cta-band::before{
  content:'';
  position:absolute; inset:0;
  background: radial-gradient(ellipse 50% 60% at 90% 0%, rgba(0,103,255,.12), transparent 70%);
  pointer-events:none;
}

.image-card-arc{
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  min-height: 320px;
  background: #07090f;
  box-shadow: 0 22px 60px rgba(10,15,38,.12);
  transition: transform .35s ease, box-shadow .35s ease;
}
.image-card-arc:hover{
  transform: translateY(-8px);
  box-shadow: 0 28px 70px rgba(10,15,38,.18);
}
.image-card-arc img{
  width:100%;
  height:100%;
  object-fit: cover;
  display:block;
  transition: transform .5s ease;
}
.image-card-arc:hover img{
  transform: scale(1.05);
}
.image-card-overlay{
  position:absolute;
  inset:0;
  background: linear-gradient(180deg, rgba(0,0,0,.18), rgba(0,0,0,.55));
  opacity: .9;
  transition: opacity .35s ease;
}
.image-card-arc:hover .image-card-overlay{
  opacity: .65;
}
.image-card-content{
  position:absolute;
  left:1.5rem;
  bottom:1.5rem;
  right:1.5rem;
  z-index:2;
}
.image-card-content h3{
  font-size: clamp(1.25rem, 1.4vw, 1.5rem);
  line-height: 1.2;
  margin: .35rem 0 0;
  color: #fff;
}
.image-card-arc .eyebrow{
  color: rgba(255,255,255,.75);
}

/* ============================================================
   Footer
   ============================================================ */
footer.footer-arc{
  border-top: 1px solid rgba(255,255,255,.08);
  padding-block: 3.5rem 2rem;
  background: var(--bar-dark);
}
.footer-arc h6{
  font-family: var(--ff-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin-bottom: 1.1rem;
}
.footer-arc a.flink{
  display:block;
  color: var(--nav-text);
  font-size: .92rem;
  margin-bottom: .65rem;
  transition: color .2s ease;
}
.footer-arc a.flink:hover{ color: #fff; }
.footer-arc .social-row a{
  width: 36px; height:36px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
  display:inline-flex; align-items:center; justify-content:center;
  margin-right: .6rem;
  color: var(--nav-text);
  transition: all .2s ease;
}
.footer-arc .social-row a:hover{ border-color: #fff; color: #fff; }
.footer-arc p.text-muted-arc{
  color: var(--nav-text);
}
.footer-arc .brand-mark{ color: #fff; }
.footer-arc .form-arc .form-control{
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.16);
  color: #fff;
}
.footer-arc .form-arc .form-control::placeholder{ color: rgba(255,255,255,.4); }
.footer-arc .form-arc .form-control:focus{
  background: rgba(255,255,255,.12);
  border-color: var(--blue-soft);
  color: #fff;
}
.footer-arc .divider-channel{
  background: rgba(255,255,255,.08);
}
.footer-arc .text-muted-arc{
  color: var(--nav-text);
}

.form-arc .form-control, .form-arc .form-select{
  background: var(--bg-panel-2);
  border: 1px solid var(--line-hair-2);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  font-size: .92rem;
}
.form-arc .form-control:focus, .form-arc .form-select:focus{
  background: #fff;
  border-color: var(--blue);
  color: var(--text-primary);
  box-shadow: 0 0 0 .2rem rgba(0,103,255,.12);
}
.form-arc .form-control::placeholder{ color: var(--text-faint); }
.form-arc label{
  font-family: var(--ff-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: .4rem;
  display:block;
}
.form-arc .invalid-feedback{ font-size:.78rem; }
.form-arc .form-control.is-invalid, .form-arc .form-select.is-invalid{ border-color:#c9553f; }
.form-arc .form-control.is-valid, .form-arc .form-select.is-valid{ border-color: #2c9a5e; }

/* ============================================================
   Misc / utility
   ============================================================ */
.badge-arc{
  font-family: var(--ff-mono);
  font-size:.66rem; letter-spacing:.08em; text-transform:uppercase;
  border: 1px solid var(--line-hair-2);
  padding: .45rem .85rem; border-radius: 999px;
  color: var(--text-muted);
  display:inline-flex; align-items:center; justify-content:center;
  background: #fff;
  box-shadow: 0 6px 16px rgba(0,0,0,.05);
}
.badge-arc-feature{
  border-color: rgba(0,103,255,.22);
  color: var(--text-primary);
  font-weight: 600;
}
.reveal{ opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity: 1; transform: translateY(0); }

.page-hero{
  padding-top: 10.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--line-hair);
  background: radial-gradient(ellipse 60% 60% at 10% 0%, rgba(0,103,255,.07), transparent 60%);
}
.page-hero h1{ font-size: clamp(2rem, 4.4vw, 3.2rem); }

.accordion-arc .accordion-item{
  background: var(--bg-panel);
  border: 1px solid var(--line-hair);
  border-radius: var(--radius-md) !important;
  margin-bottom: 1rem;
  overflow:hidden;
}
.accordion-arc .accordion-button{
  background: var(--bg-panel);
  color: var(--text-primary);
  font-family: var(--ff-display);
  font-weight: 600;
  box-shadow: none;
}
.accordion-arc .accordion-button:not(.collapsed){
  background: rgba(0,103,255,.06);
  color: var(--blue);
  box-shadow: none;
}
.table-spec{ color: var(--text-muted); }
.table-spec th{ color: var(--text-primary); font-family: var(--ff-mono); font-size:.72rem; letter-spacing:.06em; text-transform:uppercase; font-weight:600; }
.table-spec td, .table-spec th{ border-color: var(--line-hair); vertical-align: middle; }
.table-spec .text-white{ color: var(--text-primary) !important; }

.nav-pills-arc .nav-link{
  color: var(--text-muted);
  font-family: var(--ff-mono); font-size:.78rem; letter-spacing:.06em; text-transform:uppercase;
  border-radius: var(--radius-sm);
  padding: .65rem 1.1rem;
}
.nav-pills-arc .nav-link.active{ background: var(--blue); color:#fff; }



/* ============================================================
   Hero Carousel Slider
   ============================================================ */
.hero-carousel-section {
  overflow: hidden;
  position: relative;
}

#heroCarousel .carousel-item {
  transition-duration: 0.6s;
}

.hero-slide {
  min-height: 640px;
  height: 100vh;
  max-height: 900px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  display: flex;
  align-items: center;
}

.hero-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.45) 55%, rgba(0, 0, 0, 0.65) 100%);
  z-index: 1;
}

.hero-slide-content {
  position: relative;
  z-index: 2;
  opacity: 0;
  transform: translateX(-24px);
  animation: slideContentIn 0.6s cubic-bezier(0.22, 0.68, 0, 1.2) 0.2s forwards;
}

@keyframes slideContentIn {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero-slide-subtitle {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: #ffffff !important;
  margin-bottom: 1.25rem;
}

.hero-slide-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.5px;
  text-transform: uppercase;
  color: var(--amber-soft);
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
  margin-bottom: 2rem;
}

.btn-slide-gold {
  display: inline-flex;
  align-items: center;
  padding: 0.9rem 2.25rem;
  background: var(--amber);
  color: #ffffff !important;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid var(--amber);
  transition: background 0.3s, color 0.3s;
}

.btn-slide-gold:hover {
  background: transparent;
  color: var(--amber);
}

.btn-slide-outline-gold {
  display: inline-flex;
  align-items: center;
  padding: 0.9rem 2.25rem;
  background: transparent;
  color: #ffffff !important;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid var(--amber);
  transition: background 0.3s, color 0.3s;
}

.btn-slide-outline-gold:hover {
  background: var(--amber);
  color: #0a0a0a;
}

/* Carousel Indicators */
.carousel-indicators {
  bottom: 1.75rem;
  gap: 0.35rem;
  margin-bottom: 0;
}

.carousel-indicators [data-bs-target] {
  width: 30px;
  height: 5px;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.4);
  border: none;
  opacity: 1;
  transition: all 0.35s;
}

.carousel-indicators .active {
  width: 30px;
  background: var(--amber);
}

/* Carousel Controls */
.carousel-control-prev,
.carousel-control-next {
  width: 48px;
  height: 48px;
  top: 50%;
  transform: translateY(-50%);
  bottom: auto;
  margin: 0 1.25rem;
  background: rgba(234, 211, 24, 0.12);
  border: 1.5px solid rgba(234, 211, 24, 0.35);
  border-radius: 0;
  opacity: 1;
  transition: background 0.3s, border-color 0.3s;
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
  background: rgba(234, 211, 24, 0.28);
  border-color: var(--amber);
  opacity: 1;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
  width: 16px;
  height: 16px;
}

.hero-navbar {
  position: fixed;
  top: 38px;
  left: 0;
  right: 0;
  z-index: 2000;
  background: #000000ad;
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08) !important;
  min-height: auto !important;
  padding: 0.55rem 0 !important;
  width: 100%;
}

.site-header.scrolled .hero-navbar{
  top: 0;
}

.hero-navbar .container-fluid {
  min-height: auto !important;
  align-items: center !important;
}

@media (max-width: 991.98px) {
  .topbar-arc{
    display: none;
  }

  .hero-navbar{
    top: 0;
  }

  .hero-slide {
    height: auto;
    min-height: 70vh;
  }

  .hero-slide-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .carousel-control-prev,
  .carousel-control-next {
    width: 40px;
    height: 40px;
    margin: 0 0.75rem;
  }
}

.back-to-top{
  position: fixed; right: 1.5rem; bottom: 1.5rem;
  width: 44px; height:44px; border-radius:50%;
  background: #fff;
  border: 1px solid var(--line-hair-2);
  color: var(--text-primary);
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; transform: translateY(10px);
  transition: all .3s ease;
  box-shadow: 0 10px 30px -14px rgba(10,20,40,.25);
  z-index: 999;
}
.back-to-top.show{ opacity:1; visibility:visible; transform:translateY(0); }
.back-to-top:hover{ border-color: var(--blue); color: var(--blue); }

.form-success{
  display:none;
  border: 1px solid rgba(44,154,94,.4);
  background: rgba(44,154,94,.08);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  color: #1f7d47;
  font-size: .9rem;
}

/* ============================================================
   Mobile navbar toggler (hamburger) — visible on dark navbar
   ============================================================ */
.navbar-toggler{
  border-color: rgba(255,255,255,.35);
  color: #fff;
}
.navbar-toggler:focus{
  box-shadow: 0 0 0 3px rgba(255,255,255,.25);
}
.navbar-toggler-icon{
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,.92)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

@media (max-width: 991.98px){
  .navbar-collapse{
    background: var(--bar-dark);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius-md);
    padding: 1rem 1.4rem;
    margin-top: 1rem;
  }
}