/* ==========================================================================
   WallFlex AAC Wall Panels — Premium Industrial Landing
   ========================================================================== */

:root {
  --bg: #F7F3FA;
  --bg-secondary: #FFFFFF;
  --accent: #5A2D82;
  --accent-deep: #35184F;
  --accent-highlight: #8C5FB3;
  --cyan: #D9B8FF;
  --text: #0F172A;
  --text-muted: #64748B;
  --border: rgba(15, 23, 42, 0.08);
  --dark: #0B0F1A;
  --dark-surface: #111827;
  --dark-elevated: #1A2234;
  --glass: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.12);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-soft: 0 4px 24px rgba(15, 23, 42, 0.06);
  --shadow-elevated: 0 20px 60px rgba(15, 23, 42, 0.12);
  --radius: 12px;
  --radius-lg: 20px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition), opacity var(--transition);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  padding: 1rem 0;
  transition: background var(--transition), backdrop-filter var(--transition), padding var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(11, 15, 26, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 0.65rem 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid var(--glass-border);
}

.site-header .navbar {
  padding: 0;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  width: auto;
  height: 46px;
  object-fit: contain;
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--accent), var(--accent-highlight));
  border-radius: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.85rem;
  color: #fff;
  letter-spacing: -0.02em;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

.brand-text small {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.2);
  padding: 0.4rem 0.55rem;
}

.navbar-toggler-icon {
  filter: invert(1);
}

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.5rem 0.65rem;
  letter-spacing: 0.02em;
  position: relative;
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-highlight), var(--cyan));
  transition: width var(--transition), left var(--transition);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: #fff;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  width: 60%;
  left: 20%;
}

.btn-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-highlight));
  color: #fff;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.6rem 1.4rem;
  border-radius: 8px;
  border: none;
  letter-spacing: 0.02em;
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-cta:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(90, 45, 130, 0.45);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(155deg, #120A1B 0%, #261039 44%, #5A2D82 100%);
  overflow: hidden;
  padding-top: 80px;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 75%);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.hero-glow--1 {
  width: 500px;
  height: 500px;
  top: -10%;
  right: 10%;
  background: rgba(217, 184, 255, 0.22);
}

.hero-glow--2 {
  width: 400px;
  height: 400px;
  bottom: 10%;
  left: -5%;
  background: rgba(90, 45, 130, 0.26);
}

.hero-silhouette {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: url("https://images.unsplash.com/photo-1541888946425-d81bb19240f5?w=1600&q=60") center bottom / cover no-repeat;
  opacity: 0.08;
  mask-image: linear-gradient(to top, black, transparent);
  pointer-events: none;
}

.hero-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #F4E9FF;
  border: 1px solid rgba(244, 233, 255, 0.28);
  padding: 0.45rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
  background: rgba(255, 255, 255, 0.08);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.05;
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.text-gradient {
  background: linear-gradient(135deg, #FFFFFF, #E7CCFF 48%, #C59DEB);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, var(--cyan), #67E8F9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtext {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.65);
  max-width: 520px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.btn-primary-custom {
  background: linear-gradient(135deg, var(--accent), var(--accent-highlight));
  color: #fff;
  font-weight: 600;
  padding: 0.85rem 1.75rem;
  border-radius: 8px;
  border: none;
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-primary-custom:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(90, 45, 130, 0.5);
}

.btn-outline-custom {
  color: #fff;
  font-weight: 600;
  padding: 0.85rem 1.75rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(8px);
  transition: background var(--transition), border-color var(--transition);
}

.btn-outline-custom:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.4);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.03em;
}

/* Product Visualization */
.product-viz {
  position: relative;
  min-height: 480px;
}

.product-viz--variant {
  min-height: 540px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.showcase-shell {
  position: relative;
  width: min(92%, 500px);
  min-height: 500px;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 34px 90px rgba(13, 7, 20, 0.46);
  isolation: isolate;
}

.showcase-shell::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18, 10, 27, 0.02) 0%, rgba(18, 10, 27, 0.84) 100%);
  z-index: 1;
}

.showcase-image {
  width: 100%;
  height: 100%;
  min-height: 500px;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.05);
}

.showcase-overlay-card {
  position: absolute;
  right: 1.25rem;
  bottom: 0;
  z-index: 2;
  width: min(44%, 210px);
  padding: 0.45rem;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.38);
  box-shadow: 0 22px 54px rgba(13, 7, 20, 0.38);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transform: rotate(-2deg);
}

.showcase-overlay-card::before {
  content: '';
  position: absolute;
  inset: -16px;
  z-index: -1;
  border-radius: 30px;
  background: radial-gradient(circle, rgba(217, 184, 255, 0.42), transparent 68%);
}

.showcase-overlay-image {
  width: 100%;
  aspect-ratio: 4 / 12;
  object-fit: cover;
  border-radius: 18px;
  filter: saturate(1.05) contrast(1.04);
}

.showcase-overlay-card span {
  display: block;
  padding: 0.55rem 0.25rem 0.15rem;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-align: center;
  text-transform: uppercase;
}

.showcase-ribbon {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 2;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.showcase-panel {
  position: absolute;
  left: 1.25rem;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 2;
}

.showcase-label {
  display: block;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.showcase-panel strong {
  display: block;
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 0.35rem;
}

.showcase-panel p {
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.86rem;
  margin-bottom: 0.9rem;
}

.showcase-progress {
  height: 6px;
  background: rgba(255, 255, 255, 0.13);
  border-radius: 999px;
  overflow: hidden;
}

.showcase-progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #FFFFFF, #D9B8FF);
}

.showcase-spec-card {
  position: absolute;
  z-index: 3;
  min-width: 160px;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: 0 20px 50px rgba(13, 7, 20, 0.22);
}

.showcase-spec-card span {
  display: block;
  color: var(--text-muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.showcase-spec-card strong {
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 1rem;
}

.showcase-spec-card--top {
  top: 9%;
  left: 0;
}

.showcase-spec-card--middle {
  bottom: 0%;
  right: 11rem;
}

.showcase-spec-card--bottom {
  bottom: 8%;
  left: 2%;
}

.product-viz-bg {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.product-viz-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.product-viz-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 15, 26, 0.7), rgba(90, 45, 130, 0.2));
}

.panel-render {
  position: relative;
  z-index: 2;
  margin: 2rem 2rem 2rem 3rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5), 0 0 60px rgba(90, 45, 130, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.panel-render img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  filter: contrast(1.05) saturate(0.9);
}

.panel-glow {
  position: absolute;
  inset: -20%;
  background: radial-gradient(ellipse at center, rgba(140, 95, 179, 0.3), transparent 70%);
  pointer-events: none;
  z-index: 1;
}

.dimension-line {
  position: absolute;
  background: var(--cyan);
  z-index: 3;
}

.dimension-line--h {
  bottom: 15%;
  left: -8%;
  right: -8%;
  height: 1px;
}

.dimension-line--h::before,
.dimension-line--h::after {
  content: '';
  position: absolute;
  top: -4px;
  width: 1px;
  height: 9px;
  background: var(--cyan);
}

.dimension-line--h::before { left: 0; }
.dimension-line--h::after { right: 0; }

.dimension-line--h span {
  position: absolute;
  top: -22px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.dimension-line--v {
  top: 10%;
  bottom: 10%;
  right: -5%;
  width: 1px;
}

.dimension-line--v::before,
.dimension-line--v::after {
  content: '';
  position: absolute;
  left: -4px;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

.dimension-line--v::before { top: 0; }
.dimension-line--v::after { bottom: 0; }

.dimension-line--v span {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.glass-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 0.75rem 1rem;
}

.spec-float {
  position: absolute;
  z-index: 4;
  animation: float 6s ease-in-out infinite;
}

.spec-float--1 { top: 8%; left: 0; animation-delay: 0s; }
.spec-float--2 { top: 45%; right: -5%; animation-delay: 1.5s; }
.spec-float--3 { bottom: 12%; left: 5%; animation-delay: 3s; }

.spec-float-label {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0.15rem;
}

.spec-float strong {
  font-family: var(--font-display);
  font-size: 1rem;
  color: #fff;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* --------------------------------------------------------------------------
   Sections — Shared
   -------------------------------------------------------------------------- */
.section {
  padding: 6rem 0;
  position: relative;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-eyebrow--light {
  color: var(--cyan);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 1rem;
  line-height: 1.15;
}

.section-title--light {
  color: #fff;
}

.section-desc {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 3rem;
  font-size: 1.05rem;
}

.section-desc--light {
  color: rgba(255, 255, 255, 0.6);
}

.section-header {
  margin-bottom: 1rem;
}

/* --------------------------------------------------------------------------
   Features
   -------------------------------------------------------------------------- */
.section-features {
  background: var(--bg);
}

.feature-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  height: 100%;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, transparent, transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-elevated);
  border-color: rgba(90, 45, 130, 0.2);
}

.feature-card:hover::before {
  background: linear-gradient(135deg, var(--accent-highlight), var(--cyan));
  opacity: 1;
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(90, 45, 130, 0.1), rgba(217, 184, 255, 0.16));
  border-radius: 10px;
  margin-bottom: 1.25rem;
  color: var(--accent);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Comparison Table
   -------------------------------------------------------------------------- */
.section-comparison {
  background: linear-gradient(180deg, #130A1F 0%, #241238 100%);
  padding: 6rem 0;
}

.comparison-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
}

.comparison-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: var(--dark-surface);
}

.comparison-table th,
.comparison-table td {
  padding: 1.1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
  vertical-align: middle;
}

.comparison-table thead th {
  background: rgba(0, 0, 0, 0.3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  padding: 1.25rem;
}

.comparison-table tbody tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.comparison-table tbody td:first-child {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  min-width: 180px;
}

.highlight-col {
  background: rgba(90, 45, 130, 0.14) !important;
  color: #fff !important;
  position: relative;
  border-left: 2px solid var(--accent-highlight);
  border-right: 2px solid var(--accent-highlight);
}

.comparison-table thead .highlight-col {
  background: linear-gradient(180deg, rgba(90, 45, 130, 0.45), rgba(90, 45, 130, 0.18)) !important;
  color: #fff !important;
  font-size: 0.95rem;
}

.metric-bar {
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  margin-bottom: 0.35rem;
  overflow: hidden;
}

.metric-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-highlight));
  border-radius: 2px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.metric-fill--low { background: linear-gradient(90deg, #64748B, #94A3B8); }
.metric-fill--mid { background: linear-gradient(90deg, #475569, #64748B); }
.metric-fill--high { background: linear-gradient(90deg, #DC2626, #F87171); }

.highlight-col .metric-fill {
  background: linear-gradient(90deg, var(--accent-highlight), var(--cyan));
}

.metric-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: rgba(217, 184, 255, 0.2);
  color: var(--cyan);
  border-radius: 50%;
  font-size: 0.7rem;
  margin-left: 0.5rem;
  vertical-align: middle;
}

.badge-excellent {
  display: inline-block;
  background: rgba(217, 184, 255, 0.16);
  color: var(--cyan);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.85rem;
}

.badge-mid {
  display: inline-block;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.85rem;
}

.badge-low {
  display: inline-block;
  background: rgba(220, 38, 38, 0.15);
  color: #F87171;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.85rem;
}

/* --------------------------------------------------------------------------
   Benefits + Dashboard
   -------------------------------------------------------------------------- */
.section-benefits {
  background: var(--bg-secondary);
}

.benefits-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2.5rem;
}

.benefits-list li {
  position: relative;
  padding: 0.6rem 0 0.6rem 1.75rem;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
}

.benefits-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  border-radius: 2px;
}

.stat-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.stat-card {
  flex: 1;
  min-width: 140px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.stat-card-value {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-card-unit {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
}

.stat-card-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.stat-card--accent {
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
  border: none;
}

.stat-card--accent .stat-card-value,
.stat-card--accent .stat-card-label {
  color: #fff;
}

.dashboard-panel {
  background: var(--dark);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-elevated);
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  font-size: 0.95rem;
}

.dashboard-badge {
  font-size: 0.7rem;
  padding: 0.25rem 0.6rem;
  background: rgba(217, 184, 255, 0.16);
  color: var(--cyan);
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.chart-container {
  position: relative;
  height: 220px;
  margin-bottom: 1rem;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
}

.legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.35rem;
  vertical-align: middle;
}

.legend-dot--wallflex { background: var(--accent-highlight); }
.legend-dot--brick { background: #64748B; }
.legend-dot--drywall { background: #94A3B8; }

.dashboard-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.dashboard-metric {
  text-align: center;
}

.dm-label {
  display: block;
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.45);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.dm-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
}

/* --------------------------------------------------------------------------
   Applications
   -------------------------------------------------------------------------- */
.section-applications {
  background: var(--bg);
}

.app-card {
  display: block;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/5;
  border: 1px solid var(--border);
}

.app-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.app-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(11, 15, 26, 0.95) 100%);
  transition: background var(--transition);
}

.app-card:hover img {
  transform: scale(1.08);
}

.app-card:hover .app-card-overlay {
  background: linear-gradient(180deg, rgba(90, 45, 130, 0.22) 0%, rgba(11, 15, 26, 0.95) 100%);
}

.app-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  z-index: 2;
}

.app-card-content h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
  transform: translateY(0);
  transition: transform var(--transition);
}

.app-card:hover .app-card-content h3 {
  transform: translateY(-4px);
}

.app-card-content::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-highlight), var(--cyan));
  margin-bottom: 0.75rem;
  transition: width var(--transition);
}

.app-card:hover .app-card-content::before {
  width: 48px;
}

/* --------------------------------------------------------------------------
   Specifications
   -------------------------------------------------------------------------- */
.section-specs {
  background: linear-gradient(165deg, #120A1B 0%, #29133D 100%);
  padding: 6rem 0;
}

.dimension-illustration {
  margin-top: 2rem;
}

.dim-panel {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  position: relative;
}

.dim-panel-inner {
  position: relative;
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  aspect-ratio: 2/3;
  background: linear-gradient(145deg, #2A3040, #1A2030);
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.3);
}

.dim-mesh {
  position: absolute;
  inset: 12%;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 8px, rgba(217, 184, 255, 0.16) 8px, rgba(217, 184, 255, 0.16) 9px),
    repeating-linear-gradient(90deg, transparent, transparent 8px, rgba(217, 184, 255, 0.16) 8px, rgba(217, 184, 255, 0.16) 9px);
  border: 1px dashed rgba(217, 184, 255, 0.42);
}

.dim-label {
  position: absolute;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  white-space: nowrap;
}

.dim-label strong {
  display: block;
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.95rem;
}

.dim-label--t { top: -2rem; left: 50%; transform: translateX(-50%); text-align: center; }
.dim-label--w { top: 50%; left: -5.5rem; transform: translateY(-50%) rotate(-90deg); }
.dim-label--l { bottom: -2rem; left: 50%; transform: translateX(-50%); text-align: center; }

.dim-note {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.45);
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.glass-card-dark {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: border-color var(--transition), background var(--transition);
}

.glass-card-dark:hover {
  border-color: rgba(140, 95, 179, 0.4);
  background: rgba(90, 45, 130, 0.12);
}

.spec-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 0.35rem;
}

.spec-item strong {
  font-family: var(--font-display);
  font-size: 1rem;
  color: #fff;
}

.btn-datasheet {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: transparent;
  color: var(--cyan);
  border: 1px solid rgba(217, 184, 255, 0.42);
  padding: 0.85rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background var(--transition), color var(--transition);
}

.btn-datasheet:hover {
  background: rgba(217, 184, 255, 0.12);
  color: #fff;
}

/* --------------------------------------------------------------------------
   Installation Timeline
   -------------------------------------------------------------------------- */
.section-installation {
  background: var(--bg);
  overflow: hidden;
}

.installation-bg {
  position: absolute;
  inset: 0;
  background: url("https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=1600&q=60") center / cover no-repeat;
  opacity: 0.04;
  pointer-events: none;
}

.timeline {
  position: relative;
  padding: 2rem 0;
}

.timeline-track {
  position: absolute;
  top: 50%;
  left: 5%;
  right: 5%;
  height: 2px;
  background: var(--border);
  transform: translateY(-50%);
  display: none;
}

.timeline-track::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--cyan));
  transition: width 2s ease;
}

.timeline.animated .timeline-track::after {
  width: 100%;
}

.timeline-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
}

.timeline-step {
  text-align: center;
  position: relative;
}

.timeline-num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.timeline-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--border);
  box-shadow: var(--shadow-soft);
  transition: border-color var(--transition), transform var(--transition);
}

.timeline-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.timeline-step:hover .timeline-icon {
  border-color: var(--accent-highlight);
  transform: scale(1.05);
}

.timeline-step h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.timeline-step p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   Sustainability
   -------------------------------------------------------------------------- */
.section-sustainability {
  background: linear-gradient(180deg, var(--bg) 0%, #EFE6F6 100%);
}

.eco-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.eco-list li {
  padding: 0.5rem 0 0.5rem 1.5rem;
  position: relative;
  color: var(--text);
  font-weight: 500;
}

.eco-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.eco-metrics {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.eco-circle {
  position: relative;
  width: 140px;
  height: 140px;
}

.eco-circle svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.eco-ring-bg {
  fill: none;
  stroke: rgba(15, 23, 42, 0.08);
  stroke-width: 8;
}

.eco-ring-fill {
  fill: none;
  stroke: url(#ecoGradient);
  stroke: var(--accent-highlight);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 327;
  stroke-dashoffset: 327;
  transition: stroke-dashoffset 1.5s ease;
}

.eco-ring-fill--cyan { stroke: var(--cyan); }
.eco-ring-fill--green { stroke: #10B981; }

.eco-circle.animated .eco-ring-fill {
  stroke-dashoffset: var(--offset);
}

.eco-circle-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.eco-circle-text strong {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--text);
  line-height: 1;
}

.eco-circle-text span {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  max-width: 90px;
}

/* --------------------------------------------------------------------------
   CTA / Contact
   -------------------------------------------------------------------------- */
.section-cta {
  padding: 4rem 0 6rem;
}

.cta-banner {
  background: linear-gradient(135deg, #120A1B 0%, #2D1643 50%, var(--accent) 100%);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 30px 80px rgba(90, 45, 130, 0.22);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(217, 184, 255, 0.22), transparent 70%);
  pointer-events: none;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.cta-subtext {
  color: rgba(255, 255, 255, 0.65);
  font-size: 1.05rem;
  margin-bottom: 1rem;
}

.cta-tagline {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--cyan);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.glass-form {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 2rem;
}

.glass-form label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0.4rem;
}

.glass-form input,
.glass-form textarea {
  width: 100%;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.glass-form input::placeholder,
.glass-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.glass-form input:focus,
.glass-form textarea:focus {
  outline: none;
  border-color: var(--accent-highlight);
  box-shadow: 0 0 0 3px rgba(140, 95, 179, 0.24);
}

.btn-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--accent), var(--accent-highlight));
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 1rem;
  border: none;
  border-radius: 8px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(90, 45, 130, 0.5);
  color: #fff;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.65);
  padding: 4rem 0 0;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-brand .brand-logo {
  height: 52px;
}

.footer-tagline {
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 320px;
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.6);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.footer-social a:hover {
  background: rgba(90, 45, 130, 0.35);
  border-color: var(--accent-highlight);
  color: #fff;
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

.site-footer h5 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.footer-links,
.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--cyan);
}

.footer-contact li {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  line-height: 1.6;
}

.footer-contact svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--accent-highlight);
}

.footer-contact a:hover {
  color: var(--cyan);
}

.footer-cert {
  font-size: 0.85rem;
  line-height: 1.7;
}

.footer-bottom {
  margin-top: 3rem;
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
}

/* --------------------------------------------------------------------------
   Scroll Animations
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (min-width: 992px) {
  .timeline-track {
    display: block;
  }
}

@media (max-width: 991px) {
  .timeline-steps {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .timeline-track {
    display: none;
  }

  .product-viz {
    margin-top: 3rem;
    min-height: 400px;
  }

  .product-viz--variant {
    min-height: 500px;
  }

  .showcase-spec-card--middle {
    right: 0;
  }

  .spec-float--2 {
    right: 0;
  }

  .hero-stats {
    gap: 1.5rem;
  }

  .dashboard-metrics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .section {
    padding: 4rem 0;
  }

  .cta-banner {
    padding: 2rem;
  }

  .spec-grid {
    grid-template-columns: 1fr;
  }

  .eco-metrics {
    gap: 1.5rem;
  }

  .navbar-collapse {
    background: rgba(11, 15, 26, 0.95);
    backdrop-filter: blur(16px);
    padding: 1rem;
    border-radius: var(--radius);
    margin-top: 1rem;
    border: 1px solid var(--glass-border);
  }

  .btn-cta {
    width: 100%;
    text-align: center;
    margin-top: 0.5rem;
  }

  .dim-label--w {
    left: -4rem;
  }

  .showcase-shell {
    width: 100%;
    min-height: 420px;
  }

  .showcase-image {
    min-height: 420px;
  }

  .showcase-overlay-card {
    width: min(48%, 190px);
    right: 1rem;
    bottom: 1rem;
  }

  .product-viz--variant {
    display: block;
  }

  .showcase-spec-card {
    position: relative;
    inset: auto;
    display: block;
    width: 100%;
    margin: 0.75rem 0 0;
  }
}

@media (max-width: 575px) {
  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }

  .stat-cards {
    flex-direction: column;
  }

  .showcase-overlay-card {
    width: 56%;
    transform: none;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}
