/* ==========================================================================
   CatalystNex Limited - Design System & Modern Stylesheet
   Architecture: Professional Services | Variant C: Approachable Expert
   Locality: Leeds, West Yorkshire, United Kingdom (GB)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens & Root Variables (Strictly from design_brief.json)
   -------------------------------------------------------------------------- */
:root {
  /* Brand Palette */
  --color-bg: #f9f8f5;            /* Yorkshire mill sandstone warm neutral */
  --color-surface: #ffffff;       /* Pure white surface */
  --color-text: #14181f;          /* Boardroom slate ink */
  --color-muted: #4a5568;         /* West Yorkshire engineering slate */
  --color-primary: #990000;       /* Heritage crimson brand red */
  --color-primary-hover: #800000;
  --color-primary-text: #ffffff;
  --color-accent: #964700;        /* Industrial power amber / copper busbar (WCAG AA compliant >= 6.2:1) */
  --color-accent-hover: #783800;
  --color-accent-text: #ffffff;
  --color-accent-light: #f7a24a;  /* High-contrast amber for dark backgrounds (>= 7.9:1) */
  --color-dark: #10151e;          /* Structural dark charcoal */
  --color-dark-surface: #18202d;
  --color-dark-border: #232d3f;
  --color-dark-text: #f8fafc;
  --color-hero-bg: #570407;       /* Deep garnet / oxblood */
  --color-hero-text: #ffffff;
  --color-border: #e2e0d8;
  --color-border-light: #ece9e1;

  /* Typography */
  --font-display: 'Bricolage Grotesque', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Figtree', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Fluid Typography Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.8438rem, 0.8rem + 0.25vw, 0.9375rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --text-md: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);
  --text-lg: clamp(1.25rem, 1.15rem + 0.5vw, 1.4375rem);
  --text-xl: clamp(1.4375rem, 1.3rem + 0.75vw, 1.75rem);
  --text-2xl: clamp(1.75rem, 1.55rem + 1vw, 2.25rem);
  --text-3xl: clamp(2.125rem, 1.85rem + 1.4vw, 2.75rem);
  --text-4xl: clamp(2.5rem, 2.1rem + 2vw, 3.5rem);

  /* Spacing */
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 80px;
  --space-5xl: 104px;

  /* Layout */
  --container-max: 1240px;
  --container-narrow: 900px;
  --container-padding: clamp(16px, 4vw, 32px);
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 260ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(16, 21, 30, 0.05);
  --shadow-md: 0 4px 12px rgba(16, 21, 30, 0.08);
  --shadow-lg: 0 12px 30px rgba(16, 21, 30, 0.12);
  --shadow-xl: 0 20px 40px rgba(16, 21, 30, 0.18);
  --shadow-glow: 0 0 20px rgba(194, 110, 26, 0.25);
}

/* --------------------------------------------------------------------------
   2. Reset & Document Foundation
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: clip; /* Fix potential horizontal bleed without disabling sticky */
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  color: inherit;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

p {
  line-height: 1.65;
  margin-bottom: 1em;
}

p:last-child {
  margin-bottom: 0;
}

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

img, svg, picture, video {
  display: block;
  max-width: 100%;
  height: auto;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

address {
  font-style: normal;
}

/* Focus Visibility */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* Accessible hidden utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* --------------------------------------------------------------------------
   3. Layout Containers & Grid System
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section {
  padding-block: clamp(48px, 6vw, 96px);
  position: relative;
}

.section-sm {
  padding-block: clamp(32px, 4vw, 56px);
}

.section-lg {
  padding-block: clamp(64px, 8vw, 120px);
}

/* Section Header standard */
.section-header {
  text-align: center;
  max-width: 780px;
  margin-inline: auto;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.section-header.text-start {
  text-align: start;
  margin-inline: 0;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.section-eyebrow.eyebrow-accent {
  background-color: rgba(150, 71, 0, 0.08);
  color: var(--color-accent);
}

.section-eyebrow.eyebrow-primary {
  background-color: rgba(153, 0, 0, 0.1);
  color: var(--color-primary);
}

.section-eyebrow.eyebrow-light {
  background-color: rgba(255, 255, 255, 0.14);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.section-title {
  font-size: var(--text-3xl);
  margin-bottom: 16px;
  color: var(--color-text);
}

.section-title.light-text {
  color: #ffffff;
}

.section-description {
  font-size: var(--text-md);
  color: var(--color-muted);
  line-height: 1.6;
}

.section-description.light-text {
  color: rgba(248, 250, 252, 0.85);
}

/* Alternate Section Background Bands (Ensures never > 2 light sections) */
.bg-canvas {
  background-color: var(--color-bg);
}

.bg-surface {
  background-color: var(--color-surface);
}

.bg-dark {
  background-color: var(--color-dark);
  color: var(--color-dark-text);
}

.bg-hero {
  background-color: var(--color-hero-bg);
  color: var(--color-hero-text);
}

.bg-primary {
  background-color: var(--color-primary);
  color: var(--color-primary-text);
}

/* --------------------------------------------------------------------------
   4. Buttons & Interactive Controls
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 12px 24px;
  min-height: 48px;
  min-width: 48px;
  border-radius: var(--radius-sm);
  text-align: center;
  white-space: nowrap;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.btn:hover svg {
  transform: translateX(3px);
}

/* Primary Button (Crimson) */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-primary-text);
  border: 1px solid var(--color-primary);
  box-shadow: 0 2px 6px rgba(153, 0, 0, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(153, 0, 0, 0.35);
  transform: translateY(-1px);
}

/* Secondary Button (Outlined / Light) */
.btn-secondary {
  background-color: transparent;
  color: inherit;
  border: 1px solid currentColor;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

/* Amber Accent Button */
.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-accent-text);
  border: 1px solid var(--color-accent);
  box-shadow: 0 2px 6px rgba(150, 71, 0, 0.25);
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: 0 4px 12px rgba(150, 71, 0, 0.35);
  transform: translateY(-1px);
}

/* White Surface Button (for dark bands) */
.btn-white {
  background-color: #ffffff;
  color: var(--color-dark);
  border: 1px solid #ffffff;
  font-weight: 700;
}

.btn-white:hover {
  background-color: #f1f5f9;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

/* --------------------------------------------------------------------------
   5. Top Bar Component (Optional Top Strip)
   -------------------------------------------------------------------------- */
.top-bar {
  background-color: #0b0e14;
  color: rgba(248, 250, 252, 0.8);
  font-size: var(--text-xs);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  height: 38px;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1001;
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-bar-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(248, 250, 252, 0.85);
  transition: color var(--transition-fast);
}

.top-bar-link:hover {
  color: #ffffff;
}

.top-bar-link svg {
  width: 14px;
  height: 14px;
  color: var(--color-accent-light);
}

/* Mobile top bar constraints (strictly <= 36px, nowrap, max 2-3 links with short labels) */
@media (max-width: 767px) {
  .top-bar {
    height: 34px;
  }
  .top-bar-inner {
    flex-wrap: nowrap;
    justify-content: center;
    gap: 14px;
  }
  .top-bar-left {
    display: none; /* Hide Leeds address and long sentences */
  }
  .top-bar-right {
    gap: 14px;
    width: 100%;
    justify-content: space-around;
  }
  .top-bar-text-full {
    display: none;
  }
  .top-bar-text-short {
    display: inline;
  }
}

@media (min-width: 768px) {
  .top-bar-text-short {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   6. Header & Navigation (Sticky, WCAG compliant, Mobile Drawer)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  transition: background-color var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: nowrap;
  height: 70px;
}

/* Logo Link */
.brand-logo-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 0 1 auto;
  text-decoration: none;
}

.brand-logo-img {
  height: clamp(34px, 4.5vw, 42px);
  width: auto;
  max-width: min(60vw, 210px);
  object-fit: contain;
}

/* Desktop Navigation */
.desktop-nav {
  display: none;
}

@media (min-width: 992px) {
  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 28px;
  }

  .nav-menu {
    display: flex;
    align-items: center;
    gap: 24px;
  }

  .nav-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: rgba(248, 250, 252, 0.85);
    padding: 8px 4px;
    position: relative;
    transition: color var(--transition-fast);
  }

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

  .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    inset-inline: 0;
    height: 2px;
    background-color: var(--color-accent);
    border-radius: var(--radius-full);
  }

  .header-cta-group {
    display: flex;
    align-items: center;
    gap: 14px;
  }
}

/* Mobile Header Controls (< 992px) */
.mobile-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-inline-start: auto;
}

@media (min-width: 992px) {
  .mobile-header-actions {
    display: none;
  }
}

.mobile-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  min-width: 48px;
  min-height: 48px;
  border-radius: var(--radius-sm);
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: all var(--transition-fast);
}

.mobile-action-btn:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.mobile-action-btn svg {
  width: 22px;
  height: 22px;
}

/* Hamburger Menu Button (Strictly >= 48px touch target) */
.menu-toggle-btn {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  min-width: 48px;
  min-height: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 12px;
  background-color: var(--color-primary);
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.menu-toggle-btn:hover {
  background-color: var(--color-primary-hover);
}

.menu-toggle-bar {
  width: 22px;
  height: 2px;
  background-color: #ffffff;
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* Animated Hamburger to X */
.menu-toggle-btn[aria-expanded="true"] .menu-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle-btn[aria-expanded="true"] .menu-toggle-bar:nth-child(2) {
  opacity: 0;
}
.menu-toggle-btn[aria-expanded="true"] .menu-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer (Below header, accessible slide-down) */
.mobile-nav-drawer {
  position: fixed;
  top: 70px; /* Aligned with header height */
  inset-inline: 0;
  bottom: 0;
  background-color: #0d121b;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-xl) var(--container-padding);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  z-index: 999;
}

.mobile-nav-drawer.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: #f8fafc;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-inline-start: 3px solid transparent;
  transition: all var(--transition-fast);
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  background-color: rgba(255, 255, 255, 0.08);
  border-inline-start-color: var(--color-accent);
  color: #ffffff;
}

.mobile-drawer-cta {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-drawer-meta {
  margin-top: var(--space-lg);
  font-size: var(--text-xs);
  color: rgba(248, 250, 252, 0.6);
  line-height: 1.5;
}

@media (max-width: 767px) {
  .header-inner {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: nowrap;
  }
  .brand-logo-link {
    min-width: 0;
    flex: 0 1 auto;
  }
  .brand-logo-img {
    height: clamp(32px, 9vw, 44px);
    width: auto;
    max-width: min(60vw, 200px);
    object-fit: contain;
  }
  .menu-toggle-btn {
    flex: 0 0 48px;
    width: 48px;
    height: 48px;
    margin-inline-start: auto;
  }
  .mobile-nav-drawer {
    top: 60px;
  }
}

/* --------------------------------------------------------------------------
   7. Hero Section (Colourful garnet-to-crimson gradient, split layout)
   -------------------------------------------------------------------------- */
.hero-section {
  background: linear-gradient(145deg, #570407 0%, #800002 60%, #990000 100%);
  color: var(--color-hero-text);
  padding-top: clamp(48px, 6vw, 84px);
  padding-bottom: clamp(56px, 8vw, 104px);
  position: relative;
  overflow: hidden;
}

/* Subtle architectural line texture overlay */
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.6;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(194, 110, 26, 0.2);
  border: 1px solid rgba(194, 110, 26, 0.4);
  color: #fcd39a;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-accent-light);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-accent-light);
}

.hero-title {
  font-size: var(--text-4xl);
  font-weight: 800;
  line-height: 1.1;
  color: #ffffff;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  max-width: 640px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 36px;
  width: 100%;
}

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

@media (min-width: 480px) {
  .hero-actions .btn {
    width: auto;
  }
}

/* Proof Strip inside Hero */
.hero-proof-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  background-color: rgba(16, 21, 30, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
}

.proof-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.proof-divider {
  width: 4px;
  height: 4px;
  background-color: var(--color-accent-light);
  border-radius: 50%;
  opacity: 0.8;
}

/* Hero Right: Framed Architectural Photo */
.hero-visual {
  position: relative;
}

.hero-image-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background-color: var(--color-dark);
}

.hero-image {
  width: 100%;
  height: 100%;
  max-height: 480px;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  display: block;
  transition: transform var(--transition-slow);
}

.hero-image-card:hover .hero-image {
  transform: scale(1.02);
}

.hero-card-caption {
  position: absolute;
  bottom: 0;
  inset-inline: 0;
  padding: 16px 20px;
  background: linear-gradient(to top, rgba(16, 21, 30, 0.95), rgba(16, 21, 30, 0.4) 70%, transparent);
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.hero-card-caption-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
}

.hero-card-caption-subtitle {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.75);
}

.hero-card-badge {
  background-color: var(--color-primary);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   8. Full-Width Metrics Proof Band (Colour Band 1: Dark Slate)
   -------------------------------------------------------------------------- */
.metrics-band {
  background-color: var(--color-dark);
  color: var(--color-dark-text);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-block: clamp(36px, 5vw, 56px);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@media (min-width: 768px) {
  .metrics-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.metric-item {
  display: flex;
  flex-direction: column;
  padding: 16px;
  border-inline-start: 3px solid var(--color-accent);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.metric-value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1;
  color: #ffffff;
  margin-bottom: 6px;
}

.metric-label {
  font-size: var(--text-sm);
  color: rgba(248, 250, 252, 0.8);
  font-weight: 500;
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   9. Sectors Grid Section
   -------------------------------------------------------------------------- */
.sectors-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 540px) {
  .sectors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .sectors-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.sector-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.sector-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(194, 110, 26, 0.4);
}

.sector-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background-color: rgba(153, 0, 0, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  padding: 10px;
}

.sector-icon-wrap img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.sector-card-title {
  font-size: var(--text-md);
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.sector-card-desc {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.55;
  margin-bottom: 14px;
  flex-grow: 1;
}

.sector-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.sector-tag {
  font-size: 11px;
  font-weight: 600;
  background-color: var(--color-bg);
  color: var(--color-muted);
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-border);
}

/* --------------------------------------------------------------------------
   10. Practice Areas / Services as Outcomes
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(153, 0, 0, 0.3);
}

.service-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(153, 0, 0, 0.08), rgba(194, 110, 26, 0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  padding: 12px;
}

.service-icon-box img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.service-card-title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text);
}

.service-outcome-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.service-outcome-badge svg {
  width: 14px;
  height: 14px;
}

.service-card-desc {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-features-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
}

.service-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: var(--text-xs);
  color: var(--color-text);
  line-height: 1.4;
}

.service-feature-item svg {
  width: 14px;
  height: 14px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  margin-top: auto;
  transition: gap var(--transition-fast);
}

.service-card-link:hover {
  gap: 10px;
  color: var(--color-primary-hover);
}

/* --------------------------------------------------------------------------
   11. Signature Component: 90-Day Operator-Consultant Activation Roadmap
   -------------------------------------------------------------------------- */
.roadmap-component {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(24px, 4vw, 48px);
  box-shadow: var(--shadow-md);
}

.roadmap-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 36px;
}

.roadmap-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  background-color: var(--color-bg);
  color: var(--color-muted);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.roadmap-tab-btn:hover {
  background-color: #f1ede3;
  color: var(--color-text);
}

.roadmap-tab-btn.active {
  background-color: var(--color-dark);
  color: #ffffff;
  border-color: var(--color-dark);
  box-shadow: 0 4px 12px rgba(16, 21, 30, 0.2);
}

.roadmap-tab-btn.active svg {
  color: var(--color-accent-light);
}

/* Roadmap Grid */
.roadmap-timeline-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  position: relative;
}

@media (min-width: 992px) {
  .roadmap-timeline-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.roadmap-stage-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.roadmap-stage-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.stage-number-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary);
  color: #ffffff;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 800;
  margin-bottom: 14px;
}

.stage-duration {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.stage-title {
  font-size: var(--text-md);
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text);
}

.stage-desc {
  font-size: var(--text-xs);
  color: var(--color-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}

.stage-deliverables {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--color-border);
}

.stage-deliverables-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text);
  margin-bottom: 8px;
}

.deliverable-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.deliverable-item {
  font-size: var(--text-xs);
  color: var(--color-muted);
  display: flex;
  align-items: flex-start;
  gap: 6px;
  line-height: 1.35;
}

.deliverable-item::before {
  content: '▪';
  color: var(--color-accent);
  font-size: 14px;
  line-height: 1;
}

/* Roadmap Dynamic Tracks (JS-driven visibility) */
.roadmap-track-content {
  display: none;
}

.roadmap-track-content.is-active {
  display: contents;
}

/* --------------------------------------------------------------------------
   12. Empirical Case Studies (Full-Width Brand Band 2: Deep Dark / Oxblood)
   -------------------------------------------------------------------------- */
.case-studies-section {
  background-color: var(--color-dark);
  color: var(--color-dark-text);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.case-study-showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

@media (min-width: 992px) {
  .case-study-showcase {
    grid-template-columns: repeat(2, 1fr);
  }
}

.case-study-card {
  background-color: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.case-study-card:hover {
  transform: translateY(-4px);
  border-color: rgba(194, 110, 26, 0.5);
}

.case-study-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: #000000;
}

.case-study-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.case-study-card:hover .case-study-img {
  transform: scale(1.03);
}

.case-study-tag {
  position: absolute;
  top: 16px;
  inset-inline-start: 16px;
  background-color: rgba(16, 21, 30, 0.85);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
}

.case-study-body {
  padding: clamp(20px, 4vw, 32px);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.case-study-client {
  font-size: var(--text-xs);
  color: var(--color-accent-light);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.case-study-title {
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1.25;
  color: #ffffff;
  margin-bottom: 14px;
}

.case-study-summary {
  font-size: var(--text-sm);
  color: rgba(248, 250, 252, 0.8);
  line-height: 1.6;
  margin-bottom: 20px;
}

.case-study-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 16px;
  background-color: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  border-inline-start: 3px solid var(--color-primary);
}

.metric-stat-box-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: #ffffff;
}

.metric-stat-box-desc {
  font-size: 11px;
  color: rgba(248, 250, 252, 0.7);
  line-height: 1.3;
}

.case-study-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --------------------------------------------------------------------------
   13. Why CatalystNex Differentiators
   -------------------------------------------------------------------------- */
.why-us-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

@media (min-width: 992px) {
  .why-us-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.why-us-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.why-us-card {
  display: flex;
  gap: 16px;
  padding: 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.why-us-card:hover {
  transform: translateX(4px);
  border-color: var(--color-primary);
}

.why-us-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: rgba(153, 0, 0, 0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.why-us-icon svg {
  width: 22px;
  height: 22px;
}

.why-us-text h3 {
  font-size: var(--text-md);
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-text);
}

.why-us-text p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.5;
}

.why-us-visual {
  position: relative;
}

.why-us-image-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.why-us-image-frame img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.why-us-accent-box {
  position: absolute;
  bottom: -20px;
  inset-inline-start: -20px;
  background-color: var(--color-dark);
  color: #ffffff;
  padding: 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  max-width: 280px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: none;
}

@media (min-width: 768px) {
  .why-us-accent-box {
    display: block;
  }
}

.why-us-accent-box-val {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-accent-light);
  line-height: 1;
  margin-bottom: 4px;
}

.why-us-accent-box-text {
  font-size: var(--text-xs);
  color: rgba(248, 250, 252, 0.8);
}

/* --------------------------------------------------------------------------
   14. Frequently Asked Questions (AEO/GEO Optimized Accordion)
   -------------------------------------------------------------------------- */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 860px;
  margin-inline: auto;
}

.faq-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: rgba(153, 0, 0, 0.3);
}

.faq-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  text-align: start;
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--color-text);
  cursor: pointer;
  background: none;
  border: none;
}

.faq-icon-chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform var(--transition-normal);
}

.faq-item.is-open .faq-icon-chevron {
  transform: rotate(180deg);
}

.faq-content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-normal);
}

.faq-item.is-open .faq-content {
  grid-template-rows: 1fr;
}

.faq-content-inner {
  overflow: hidden;
  padding-inline: 24px;
  padding-bottom: 22px;
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   15. Closing CTA Band (Full-Width Brand Band: Primary Crimson)
   -------------------------------------------------------------------------- */
.cta-band {
  background: linear-gradient(135deg, #800002 0%, #990000 50%, #b30000 100%);
  color: #ffffff;
  padding-block: clamp(48px, 6vw, 88px);
  position: relative;
  overflow: hidden;
}

.cta-band::after {
  content: '';
  position: absolute;
  top: -50%;
  inset-inline-end: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 800px;
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  margin-bottom: 16px;
  color: #ffffff;
}

.cta-desc {
  font-size: var(--text-md);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  margin-bottom: 32px;
}

.cta-actions-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 28px;
  width: 100%;
}

.cta-actions-group .btn {
  width: 100%;
}

@media (min-width: 480px) {
  .cta-actions-group .btn {
    width: auto;
  }
}

.cta-meta-contacts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.85);
}

.cta-meta-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #ffffff;
  font-weight: 600;
}

.cta-meta-link:hover {
  text-decoration: underline;
}

.cta-meta-link svg {
  width: 14px;
  height: 14px;
}

/* --------------------------------------------------------------------------
   16. Comprehensive Multi-Column Footer (Dark Structural Charcoal)
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-dark);
  color: var(--color-dark-text);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: clamp(48px, 6vw, 80px);
  padding-bottom: 32px;
  font-size: var(--text-sm);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: clamp(36px, 5vw, 60px);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  }
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
}

.footer-logo-img {
  height: 38px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  margin-bottom: 18px;
}

.footer-tagline {
  font-size: var(--text-sm);
  color: rgba(248, 250, 252, 0.7);
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer-credentials {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: var(--text-xs);
  color: rgba(248, 250, 252, 0.8);
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.footer-link-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  color: rgba(248, 250, 252, 0.75);
  font-size: var(--text-sm);
  transition: color var(--transition-fast), padding var(--transition-fast);
}

.footer-link:hover {
  color: #ffffff;
  padding-inline-start: 4px;
}

.footer-contact-block {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: rgba(248, 250, 252, 0.8);
  font-size: var(--text-xs);
  line-height: 1.5;
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent-light);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-hours-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xs);
  font-size: 11px;
  color: rgba(248, 250, 252, 0.85);
  margin-top: 4px;
}

.hours-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #22c55e;
}

/* Footer Bottom Bar */
.footer-bottom-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-size: var(--text-xs);
  color: rgba(248, 250, 252, 0.6);
}

@media (min-width: 768px) {
  .footer-bottom-bar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-legal-links a {
  color: rgba(248, 250, 252, 0.6);
}

.footer-legal-links a:hover {
  color: #ffffff;
}

.footer-credits-note {
  font-size: 11px;
  color: rgba(248, 250, 252, 0.5);
}

/* --------------------------------------------------------------------------
   17. Back to Top Button (>= 48px, accessible)
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 24px;
  inset-inline-end: 24px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--color-dark);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal), background-color var(--transition-fast);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* --------------------------------------------------------------------------
   18. Subpages Specific Styles (About, Services, Case Studies, Contact)
   -------------------------------------------------------------------------- */
/* Page Hero Banner */
.page-hero {
  background: linear-gradient(145deg, #570407 0%, #800002 60%, #990000 100%);
  color: #ffffff;
  padding-block: clamp(48px, 6vw, 80px);
  position: relative;
}

.page-hero-title {
  font-size: var(--text-4xl);
  font-weight: 800;
  margin-bottom: 16px;
  color: #ffffff;
}

.page-hero-subtitle {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.9);
  max-width: 720px;
  line-height: 1.6;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 16px;
}

.breadcrumb-nav a {
  color: #ffffff;
}

.breadcrumb-nav a:hover {
  text-decoration: underline;
}

/* Principles / Values Grid (About Page) */
.principles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .principles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .principles-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.principle-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal);
}

.principle-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.principle-num {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.principle-title {
  font-size: var(--text-md);
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text);
}

.principle-desc {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.6;
}

/* Contact Page Form & Info */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 992px) {
  .contact-layout {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.contact-card-form {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 40px);
  box-shadow: var(--shadow-md);
}

.contact-form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 600px) {
  .contact-form-grid {
    grid-template-columns: 1fr 1fr;
  }
  .form-col-span-2 {
    grid-column: span 2;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(153, 0, 0, 0.12);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.contact-info-card-title {
  font-size: var(--text-md);
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact-info-card-title svg {
  color: var(--color-primary);
}

.map-container {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  aspect-ratio: 16 / 10;
  background-color: var(--color-dark);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Service Detail Block */
.service-detail-section {
  padding-block: clamp(40px, 5vw, 70px);
  border-bottom: 1px solid var(--color-border-light);
}

.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

@media (min-width: 992px) {
  .service-detail-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.service-detail-grid.reverse-order > :first-child {
  order: 2;
}

@media (max-width: 991px) {
  .service-detail-grid.reverse-order > :first-child {
    order: 1;
  }
}

.tech-spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-block: 20px;
  font-size: var(--text-sm);
}

.tech-spec-table th, .tech-spec-table td {
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  text-align: start;
}

.tech-spec-table th {
  background-color: var(--color-bg);
  font-weight: 700;
  color: var(--color-text);
}

.tech-spec-table td {
  background-color: var(--color-surface);
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   19. Accessible Reveal Motion & Reduced Motion Preferences
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .reveal-on-scroll.is-revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

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