/**
 * Talonex Data Centre & AI Infrastructure Kenya
 * Master Design System & Core Stylesheet
 * Brand Palette:
 * - Navy: #071A4A (Headings, primary brand anchors)
 * - Blue: #006CB7 (Interactive elements, primary CTAs, links)
 * - Slate: #35465B (Body copy, descriptions)
 * - Mint: #60DCA3 (Accents on dark surfaces, highlights)
 * - Light Neutrals: #F8FAFC, #EEF2F6 (Clean section contrast)
 */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,600&display=swap');

:root {
  /* Brand Palette */
  --color-navy: #071A4A;
  --color-navy-deep: #040E29;
  --color-navy-surface: #0E255F;
  --color-navy-card: #122B6B;
  --color-blue: #006CB7;
  --color-blue-dark: #005691;
  --color-blue-light: #EBF5FC;
  --color-slate: #35465B;
  --color-slate-muted: #57697E;
  --color-slate-light: #7E90A3;
  --color-mint: #60DCA3;
  --color-mint-dark: #34B87C;
  --color-mint-light: #EAFBF3;

  /* Neutrals & Surfaces */
  --color-white: #FFFFFF;
  --color-surface-soft: #F8FAFC;
  --color-surface-alt: #F1F5F9;
  --color-border: #E2E8F0;
  --color-border-subtle: rgba(7, 26, 74, 0.08);

  /* Typography */
  --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;
  --space-4xl: 6rem;

  /* Shadows & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-subtle: 0 1px 3px rgba(7, 26, 74, 0.05), 0 1px 2px rgba(7, 26, 74, 0.03);
  --shadow-card: 0 4px 16px -2px rgba(7, 26, 74, 0.06), 0 2px 6px -1px rgba(7, 26, 74, 0.04);
  --shadow-hover: 0 12px 30px -4px rgba(7, 26, 74, 0.12), 0 4px 10px -2px rgba(7, 26, 74, 0.06);

  /* Container bounds */
  --container-max: 1240px;
  --header-height: 80px;

  /* Transition curves */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-normal: 220ms;
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-slate);
  background-color: var(--color-white);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

main {
  flex: 1 0 auto;
}

/* Accessibility: Skip Link & Screen Readers */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-navy);
  color: var(--color-mint);
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  z-index: 9999;
  text-decoration: none;
  transition: top var(--duration-fast) var(--ease-out);
}

.skip-link:focus {
  top: 1rem;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 3px;
}

/* Typography Scales */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  color: var(--color-navy);
  line-height: 1.2;
  font-weight: 700;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.1rem, 4vw, 3.25rem);
  letter-spacing: -0.025em;
  font-weight: 800;
}

h2 {
  font-size: clamp(1.6rem, 2.7vw, 2.25rem);
  letter-spacing: -0.02em;
  font-weight: 700;
}

h3 {
  font-size: 1.25rem;
  letter-spacing: -0.015em;
  font-weight: 600;
}

h4 {
  font-size: 1.05rem;
  font-weight: 600;
}

p {
  color: var(--color-slate);
  margin-bottom: 1.25rem;
  font-size: 1rem;
  line-height: 1.7;
}

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

.lead {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-slate);
}

a {
  color: var(--color-blue);
  text-decoration: none;
  transition: color var(--duration-fast) ease;
}

a:hover {
  color: var(--color-blue-dark);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

.tabular-nums {
  font-variant-numeric: tabular-nums;
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  max-width: 900px;
}

.section-padding {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
}

.section-padding-sm {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

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

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

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

.bg-navy h1, .bg-navy h2, .bg-navy h3 {
  color: var(--color-white);
}

.bg-navy p {
  color: #D3DFEE;
}

/* Top Bar & Navigation (3-Zone Contract) */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--duration-normal) ease;
}

.site-header.scrolled {
  box-shadow: 0 4px 16px rgba(7, 26, 74, 0.06);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: var(--header-height);
}

/* Zone 1: Brand Wordmark */
.brand-zone {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  white-space: nowrap;
}

.brand-logo-img {
  height: 56px;
  width: auto;
  max-height: 56px;
  display: block;
}

/* Zone 2: Navigation Links */
.nav-zone {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-slate);
  white-space: nowrap;
  position: relative;
  padding: 0.35rem 0;
  transition: color var(--duration-fast) ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-blue);
  transition: width var(--duration-normal) var(--ease-out);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-navy);
  font-weight: 600;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Zone 3: Primary Action */
.action-zone {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0;
  cursor: pointer;
  color: var(--color-navy);
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  transition: background-color var(--duration-fast) ease, border-color var(--duration-fast) ease, color var(--duration-fast) ease;
}

.mobile-nav-toggle:hover,
.mobile-nav-toggle:focus-visible {
  background-color: var(--color-surface-soft);
  border-color: var(--color-blue);
  color: var(--color-blue);
}

.mobile-nav-toggle .menu-icon-bars {
  display: block;
}

.mobile-nav-toggle .menu-icon-close {
  display: none;
}

.mobile-nav-toggle.open .menu-icon-bars {
  display: none;
}

.mobile-nav-toggle.open .menu-icon-close {
  display: block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background-color var(--duration-fast) ease, border-color var(--duration-fast) ease, transform var(--duration-fast) ease, color var(--duration-fast) ease;
  min-height: 44px;
}

.btn-primary {
  background-color: var(--color-blue);
  color: var(--color-white);
  border-color: var(--color-blue);
}

.btn-primary:hover {
  background-color: var(--color-blue-dark);
  border-color: var(--color-blue-dark);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

.btn-secondary:hover {
  background-color: var(--color-navy-surface);
  border-color: var(--color-navy-surface);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-navy);
  border-color: var(--color-border);
}

.btn-outline:hover {
  background-color: var(--color-surface-soft);
  border-color: var(--color-blue);
  color: var(--color-blue);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--color-white);
  color: var(--color-white);
}

.btn-mint {
  background-color: var(--color-mint);
  color: var(--color-navy);
  border-color: var(--color-mint);
}

.btn-mint:hover {
  background-color: var(--color-mint-dark);
  border-color: var(--color-mint-dark);
  color: var(--color-navy);
}

/* Button Group */
.button-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.75rem;
}

/* Editorial Kicker (NO PILLS - Clean unboxed text) */
.section-kicker {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-blue);
  margin-bottom: 0.75rem;
  display: block;
}

.section-kicker-mint {
  color: var(--color-mint);
}

/* Section Header Lockup */
.section-header {
  margin-bottom: var(--space-2xl);
}

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

.section-header.text-center {
  text-align: center;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--color-slate-muted);
  margin-top: 0.75rem;
}

.bg-navy .section-desc {
  color: #B5C9DF;
}

/* Hero Section (Home) - Full background with low opacity */
.hero-home {
  position: relative;
  background-color: var(--color-navy);
  color: var(--color-white);
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 540px;
}

.hero-bg-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.hero-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.45; /* Line 535: Adjust hero background image opacity here */
  filter: saturate(1.15) brightness(1.0);
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 26, 74, 0.65) 0%, rgba(7, 26, 74, 0.82) 100%);
  z-index: 2;
}

.hero-content-wrapper {
  position: relative;
  z-index: 3;
  width: 100%;
}

.hero-home-centered {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 940px;
  margin-left: auto;
  margin-right: auto;
}

.hero-title {
  color: var(--color-white);
  margin-bottom: 1.25rem;
  font-size: clamp(2.3rem, 4.5vw, 3.6rem);
  line-height: 1.15;
}

.hero-lead {
  font-size: 1.25rem;
  line-height: 1.7;
  color: #D3DFEE;
  margin-bottom: 2rem;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

/* Full-width Hero Glassmorphism Stat Bar (Flush Bottom, No Drop Shadow) */
.hero-glass-strip {
  width: 100%;
  position: relative;
  z-index: 3;
  background: rgba(7, 26, 74, 0.45);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  border-bottom: none;
  border-left: none;
  border-right: none;
  border-radius: 0;
  box-shadow: none; /* No drop shadow */
  padding: 1.25rem 0;
}

.hero-glass-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4rem;
}

.hero-glass-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-align: left;
}

.hero-glass-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-mint);
  flex-shrink: 0;
  transition: transform var(--duration-fast) ease, border-color var(--duration-fast) ease;
}

.hero-glass-item:hover .hero-glass-icon {
  transform: translateY(-2px);
  border-color: var(--color-mint);
}

.hero-glass-text {
  display: flex;
  flex-direction: column;
}

.hero-glass-val {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.hero-glass-lbl {
  font-size: 0.8125rem;
  font-weight: 400;
  color: #B5CCE8;
  margin-top: 0.15rem;
  line-height: 1.3;
}

/* Status / Project Notice Banner */
.project-status-callout {
  background-color: rgba(96, 220, 163, 0.1);
  border: 1px solid rgba(96, 220, 163, 0.35);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  margin-bottom: 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: #E2F8EE;
}

.project-status-callout.light-theme {
  background-color: #F0FDF4;
  border-color: #BBF7D0;
  color: #166534;
}

.project-status-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
}

/* Page Header (Subpages) */
.page-header {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: #8FA6C1;
  margin-bottom: 1rem;
}

.breadcrumbs a {
  color: #8FA6C1;
}

.breadcrumbs a:hover {
  color: var(--color-mint);
}

.breadcrumbs-separator {
  color: #576F8C;
}

.breadcrumbs-current {
  color: var(--color-mint);
  font-weight: 500;
}

.page-header-title {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.page-header-desc {
  font-size: 1.15rem;
  color: #C5D7EB;
  max-width: 780px;
}

/* Metadata Row (Unboxed Discipline) */
.meta-unboxed {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.8125rem;
  color: var(--color-slate-light);
  margin-top: 0.75rem;
}

.meta-separator {
  color: var(--color-border);
}

/* Feature & Service Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.cards-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.cards-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.card-dark {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--duration-fast) ease, border-color var(--duration-fast) ease, background-color var(--duration-fast) ease;
}

.card-dark:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(96, 220, 163, 0.4);
  transform: translateY(-2px);
}

.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform var(--duration-fast) ease, box-shadow var(--duration-fast) ease, border-color var(--duration-fast) ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: #CBD5E1;
}

/* Disabled hover effects on cards for specific sections:
 * - Built for the AI era (#ai-era)
 * - Who we serve (#who-we-serve)
 * - Responsible development (#responsible)
 */
#ai-era .card,
[aria-labelledby="ai-era-heading"] .card,
#who-we-serve .card,
[aria-labelledby="audiences-heading"] .card,
[aria-labelledby="who-we-serve-heading"] .card,
#responsible .card,
[aria-labelledby="responsible-heading"] .card {
  transition: none;
}

#ai-era .card:hover,
[aria-labelledby="ai-era-heading"] .card:hover,
#who-we-serve .card:hover,
[aria-labelledby="audiences-heading"] .card:hover,
[aria-labelledby="who-we-serve-heading"] .card:hover,
#responsible .card:hover,
[aria-labelledby="responsible-heading"] .card:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--color-border);
}

.card-navy {
  background-color: var(--color-navy-surface);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

.card-navy h3 {
  color: var(--color-white);
}

.card-navy p {
  color: #C1D5EB;
}

.card-navy:hover {
  border-color: rgba(96, 220, 163, 0.4);
}

.card-header-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-blue-light);
  color: var(--color-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.card-navy .card-header-icon {
  background-color: rgba(96, 220, 163, 0.15);
  color: var(--color-mint);
}

.card-title {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.card-text {
  flex-grow: 1;
  color: var(--color-slate);
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
}

.card-navy .card-text {
  color: #C1D5EB;
}

.card-footer-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-blue);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.card-navy .card-footer-link {
  color: var(--color-mint);
}

.card-footer-link:hover {
  color: var(--color-blue-dark);
}

.card-navy .card-footer-link:hover {
  color: #8EF0C0;
}

/* Development Structure: 3-Card Flow */
.structure-diagram-wrap {
  max-width: 1240px;
  margin: 0 auto;
}

.structure-trio-row {
  display: flex;
  align-items: stretch;
  gap: 1.25rem;
  position: relative;
}

.structure-trio-card {
  flex: 1;
  border-radius: 18px;
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}

.structure-trio-card.card-light {
  background-color: var(--color-white);
  border: 1px solid #E2E8F0;
  box-shadow: 0 2px 10px rgba(15, 30, 54, 0.04);
}

.structure-trio-card.card-dark {
  background-color: #08162B;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 4px 24px rgba(8, 22, 43, 0.28);
}

/* Badge styling */
.structure-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.structure-badge-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.structure-badge-icon.icon-mint {
  background-color: #E6FBF2;
  color: #10B981;
}

.structure-badge-icon.icon-dark {
  background-color: rgba(255, 255, 255, 0.08);
  color: #70B5F9;
}

.structure-badge-icon.icon-blue {
  background-color: #E0F2FE;
  color: #0284C7;
}

.structure-badge-tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.structure-badge-tag.tag-blue {
  color: #0284C7;
}

.structure-badge-tag.tag-light-blue {
  color: #70B5F9;
}

.structure-card-title {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.85rem;
}

.card-light .structure-card-title {
  color: var(--color-navy);
}

.card-dark .structure-card-title {
  color: #FFFFFF;
}

.structure-card-subtitle {
  color: #9FB8D4;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.structure-card-text {
  color: var(--color-slate);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 0;
}

.card-dark .structure-card-text,
.structure-trio-card.card-dark .structure-card-text,
.structure-trio-card.card-dark p {
  color: #E2E8F0 !important;
}

/* Bullets in dark card */
.structure-bullets-list {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  margin-top: 0.25rem;
}

.structure-bullet-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: #FFFFFF;
  font-size: 0.975rem;
  font-weight: 500;
}

.structure-bullet-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #10B981;
  flex-shrink: 0;
}

/* Flow Arrow Connectors */
.structure-flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 0 0.25rem;
}

.structure-arrow-h {
  display: block;
}

.structure-arrow-v {
  display: none;
}

/* Responsive Stacking */
@media (max-width: 980px) {
  .structure-trio-row {
    flex-direction: column;
    gap: 0;
  }

  .structure-flow-arrow {
    padding: 1.25rem 0;
  }

  .structure-arrow-h {
    display: none;
  }

  .structure-arrow-v {
    display: block;
  }
}

/* Architecture & Engineering Bento / Mosaic Grid */
.arch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.arch-card {
  border-radius: 20px;
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
}

.arch-card-dark {
  background-color: var(--color-navy);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 20px rgba(7, 26, 74, 0.25);
  grid-column: span 2;
}

.arch-card-light {
  background-color: var(--color-white);
  border: 1px solid #E2E8F0;
  box-shadow: 0 2px 10px rgba(15, 30, 54, 0.03);
}

.arch-card-image {
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  min-height: 290px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2.25rem 2rem;
  background-size: cover;
  background-position: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 20px rgba(7, 26, 74, 0.2);
}

.arch-card-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 26, 74, 0.95) 0%, rgba(7, 26, 74, 0.6) 50%, rgba(7, 26, 74, 0.2) 100%);
  z-index: 1;
}

.arch-card-image > * {
  position: relative;
  z-index: 2;
}

/* Campus design concept cards: static without hover effects */
.arch-card:hover,
.arch-card-image:hover {
  transform: none;
}

.arch-card-dark:hover {
  box-shadow: 0 4px 20px rgba(7, 26, 74, 0.25);
}

.arch-card-light:hover {
  box-shadow: 0 2px 10px rgba(15, 30, 54, 0.03);
}

.arch-card-image:hover {
  box-shadow: 0 4px 20px rgba(7, 26, 74, 0.2);
}

.arch-badge-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  flex-shrink: 0;
}

.arch-badge-circle.circle-dark {
  background-color: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
}

.arch-badge-circle.circle-light {
  background-color: #EFF6FF;
  color: var(--color-blue);
}

.arch-card-title {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.arch-card-dark .arch-card-title,
.arch-card-image .arch-card-title {
  color: #FFFFFF;
}

.arch-card-light .arch-card-title {
  color: var(--color-navy);
}

.arch-card-text {
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 0;
}

.arch-card-dark .arch-card-text {
  color: #C1D5EB;
  max-width: 620px;
}

.arch-card-light .arch-card-text {
  color: var(--color-slate);
}

.arch-card-image .arch-card-text {
  color: #E2E8F0;
}

/* Responsive adjustment */
@media (max-width: 960px) {
  .arch-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .arch-card-dark {
    grid-column: span 1;
  }

  .arch-card-image {
    min-height: 240px;
  }
}

/* Strategic Pillars Strip / Asymmetric Layout */
.split-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
  margin-bottom: var(--space-4xl);
}

.split-feature:last-child {
  margin-bottom: 0;
}

.split-feature.reverse {
  direction: rtl;
}

.split-feature.reverse > * {
  direction: ltr;
}

.split-media-container {
  border-radius: 0;
  overflow: hidden;
  border: none;
  box-shadow: none;
  background-color: transparent;
}

.split-media-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
  border-radius: 0;
  border: none;
  box-shadow: none;
}

/* Key Metrics & Strategic Pillars (Adjacency & Tabular) */
.metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  background-color: var(--color-navy-surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  margin-top: -2.5rem;
  position: relative;
  z-index: 10;
  box-shadow: var(--shadow-card);
}

.metric-item {
  border-left: 1px solid rgba(255, 255, 255, 0.12);
  padding-left: 1.25rem;
}

.metric-item:first-child {
  border-left: none;
  padding-left: 0;
}

.metric-label {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #9FB8D4;
  margin-bottom: 0.35rem;
}

.metric-highlight {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-mint);
  line-height: 1.2;
}

.metric-note {
  font-size: 0.8125rem;
  color: #C1D5EB;
  margin-top: 0.25rem;
}

/* Feature List (Checkmark list) */
.feature-list {
  list-style: none;
  margin: 1.25rem 0;
}

.feature-list-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  font-size: 0.95rem;
  color: var(--color-slate);
}

.bg-navy .feature-list-item {
  color: #D3DFEE;
}

.feature-icon-check {
  color: var(--color-blue);
  flex-shrink: 0;
  margin-top: 2px;
}

.bg-navy .feature-icon-check {
  color: var(--color-mint);
}

/* Service Detail Block */
.service-block {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 2rem;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 2.5rem;
  align-items: start;
}

.service-block-side {
  border-right: 1px solid var(--color-border);
  padding-right: 2rem;
}

.service-block-index {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-blue);
  margin-bottom: 0.5rem;
}

.service-status-tag {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #0369A1;
  background-color: #E0F2FE;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-top: 0.5rem;
}

.service-block-content h3 {
  font-size: 1.45rem;
  margin-bottom: 0.85rem;
}

/* Development Steps & Comparison Table */
.dev-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1.75rem 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.dev-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9375rem;
}

.dev-table:not(.comparison-table) {
  min-width: 560px;
}

.dev-table th {
  background-color: var(--color-navy);
  color: var(--color-white);
  font-weight: 700;
  padding: 1rem 1.5rem;
  letter-spacing: 0.04em;
  font-size: 0.875rem;
  text-transform: uppercase;
  border: none;
}

.dev-table th:first-child {
  width: 38%;
}

.dev-table td {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
  color: var(--color-slate);
}

.dev-table tr:last-child td {
  border-bottom: none;
}

.dev-table tr:nth-child(even) td {
  background-color: #F8FAFC;
}

.dev-table td strong {
  color: var(--color-navy);
  font-weight: 600;
  display: block;
}

/* Comparison Table specific column widths on desktop */
.comparison-table th:nth-child(2),
.comparison-table th:nth-child(3),
.comparison-table td:nth-child(2),
.comparison-table td:nth-child(3) {
  width: 31%;
}

/* Mobile & Phone Responsive Comparison Table */
@media (max-width: 680px) {
  .energy-table-wrapper {
    overflow: visible;
    border: none;
    background: transparent;
    box-shadow: none;
    margin: 1.25rem 0;
  }

  .comparison-table {
    display: block;
    width: 100%;
    min-width: 0;
    border: none;
  }

  .comparison-table thead {
    display: none;
  }

  .comparison-table tbody {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
  }

  .comparison-table tr {
    display: flex;
    flex-wrap: wrap;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px rgba(7, 26, 74, 0.06);
    overflow: hidden;
  }

  .comparison-table tr:nth-child(even) td:not(.param-cell) {
    background-color: transparent;
  }

  .comparison-table tr td.param-cell,
  .comparison-table tr:nth-child(even) td.param-cell {
    width: 100% !important;
    flex: 1 1 100% !important;
    background-color: var(--color-navy) !important;
    padding: 0.85rem 1.15rem !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12) !important;
    display: block !important;
  }

  .comparison-table td.param-cell strong,
  .comparison-table tr:nth-child(even) td.param-cell strong {
    color: var(--color-white) !important;
    font-size: 0.95rem;
    font-weight: 600;
    display: block;
  }

  .comparison-table tr td[data-label] {
    flex: 1 1 50%;
    min-width: 130px;
    padding: 0.95rem 1.15rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.925rem;
    font-weight: 600;
    color: var(--color-navy);
    border-bottom: none;
    box-sizing: border-box;
    background-color: var(--color-white);
  }

  .comparison-table tr td[data-label]:first-of-type,
  .comparison-table tr:nth-child(even) td[data-label]:first-of-type {
    border-right: 1px solid var(--color-border);
    background-color: #FAFCFE;
  }

  .comparison-table td[data-label]::before {
    content: attr(data-label);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--color-slate-muted);
  }

  .comparison-table td[data-label="Solar + grid"]::before {
    color: var(--color-blue);
  }

  /* Two-column development table responsive sizing */
  .dev-table:not(.comparison-table) {
    min-width: 100%;
  }

  .dev-table:not(.comparison-table) th,
  .dev-table:not(.comparison-table) td {
    padding: 0.85rem 0.9rem;
    font-size: 0.85rem;
  }
}

@media (max-width: 360px) {
  .comparison-table td[data-label] {
    flex: 1 1 100%;
    min-width: 100%;
    border-right: none !important;
    border-bottom: 1px solid var(--color-border);
  }

  .comparison-table td[data-label]:last-child {
    border-bottom: none;
  }
}

/* Contact Cards Layout (Side by Side & Fully Responsive) */
.contact-cards-container {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.25rem, 2.5vw, 1.75rem);
  max-width: 960px;
  margin: 0 auto;
  align-items: stretch;
}

.contact-card-white {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: clamp(1.5rem, 2.8vw, 2.25rem);
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05), 0 2px 6px -1px rgba(0, 0, 0, 0.02);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  transition: transform var(--duration-normal) ease, box-shadow var(--duration-normal) ease;
}

.contact-card-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -4px rgba(0, 0, 0, 0.08);
}

.contact-card-navy {
  background-color: var(--color-navy);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: clamp(1.5rem, 2.8vw, 2.25rem);
  box-shadow: 0 4px 20px -2px rgba(7, 26, 74, 0.25);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  transition: transform var(--duration-normal) ease, box-shadow var(--duration-normal) ease;
}

.contact-card-navy:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -4px rgba(7, 26, 74, 0.35);
}

.contact-card-white .section-kicker,
.contact-card-navy .section-kicker {
  font-size: 0.725rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.contact-card-title {
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  font-weight: 700;
  line-height: 1.3;
  margin-top: 0.15rem;
  margin-bottom: 0.35rem;
  letter-spacing: -0.01em;
}

.contact-card-white .contact-card-title {
  color: var(--color-navy);
}

.contact-card-navy .contact-card-title {
  color: var(--color-white);
}

.contact-proponent-sub {
  color: var(--color-blue);
  font-size: clamp(0.85rem, 1.2vw, 0.925rem);
  font-weight: 500;
  line-height: 1.45;
  margin-bottom: 1.25rem;
}

.contact-divider {
  border-top: 1px solid var(--color-border);
  padding-top: 1.25rem;
  margin-top: 1.25rem;
}

.contact-field-group {
  margin-bottom: 1.15rem;
}

.contact-field-group:last-child {
  margin-bottom: 0;
}

.contact-field-label {
  display: block;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--color-slate-muted);
  margin-bottom: 0.25rem;
}

.contact-field-value-link {
  color: var(--color-blue);
  font-size: clamp(0.875rem, 1.4vw, 0.975rem);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  word-break: break-all;
  overflow-wrap: break-word;
  transition: color var(--duration-fast) ease;
}

.contact-field-value-link:hover {
  color: #004494;
}

.contact-phone-links {
  font-size: clamp(0.85rem, 1.3vw, 0.925rem);
  font-weight: 600;
  color: var(--color-navy);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  align-items: center;
}

.contact-phone-links a {
  color: var(--color-navy);
  text-decoration: underline;
  text-underline-offset: 3px;
  white-space: nowrap;
  transition: color var(--duration-fast) ease;
}

.contact-phone-links a:hover {
  color: var(--color-blue);
}

.contact-phone-sep {
  color: var(--color-border);
  font-weight: 400;
  user-select: none;
}

.contact-location-desc {
  color: #D1E1F3;
  font-size: clamp(0.85rem, 1.3vw, 0.925rem);
  line-height: 1.6;
  margin-top: 0.35rem;
  margin-bottom: 0;
}

@media (max-width: 820px) {
  .contact-cards-container {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    max-width: 520px;
  }
}

@media (max-width: 480px) {
  .contact-card-white,
  .contact-card-navy {
    padding: 1.25rem 1rem;
  }

  .contact-phone-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .contact-phone-sep {
    display: none;
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.spinner-icon {
  animation: spin 0.85s linear infinite;
  flex-shrink: 0;
}

.notice-box {
  background-color: #F8FAFC;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  font-size: 0.875rem;
  color: var(--color-slate);
  margin-top: 1.75rem;
}

.notice-box strong {
  color: var(--color-navy);
}

.table-highlight-note {
  font-size: 0.8125rem;
  color: #0284C7;
  font-style: italic;
  margin-top: 1rem;
  line-height: 1.6;
  text-align: center;
}

.table-highlight-note strong {
  color: #0284C7;
  font-weight: 700;
  font-style: italic;
}



/* Site Footer */
.site-footer {
  background-color: var(--color-navy-deep);
  color: #B2C6DE;
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-2xl);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 140px 1.15fr max-content 1.25fr;
  gap: 3.5rem;
  align-items: start;
  margin-bottom: var(--space-3xl);
}

.footer-col-logo {
  display: flex;
  align-items: flex-start;
}

.footer-logo-link {
  display: inline-block;
  line-height: 0;
  transition: opacity var(--duration-fast) ease, transform var(--duration-fast) ease;
}

.footer-logo-link:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.footer-logo-img {
  width: 140px;
  height: auto;
  max-width: 100%;
  display: block;
}

.footer-col-title {
  color: var(--color-mint);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
}

.footer-links-item {
  margin-bottom: 0.65rem;
}

.footer-link {
  color: #D1E1F3;
  font-size: 0.9rem;
  transition: color var(--duration-fast) ease;
}

.footer-link:hover {
  color: var(--color-mint);
}

.footer-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: #A3BDDA;
  margin-top: 0;
  max-width: 100%;
}

.footer-disclosure {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: #8BA8C8;
  background: rgba(255, 255, 255, 0.04);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  font-size: 0.8125rem;
  color: #7A97B8;
}

.footer-bottom a {
  color: #7A97B8;
}

.footer-bottom a:hover {
  color: var(--color-mint);
}

/* Staged Approach Grid & Cards */
.stage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.stage-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}

.stage-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
  border-color: #CBD5E1;
}

.stage-number {
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--color-blue);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  display: block;
}

.stage-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.stage-desc {
  font-size: 0.875rem;
  color: var(--color-slate);
  line-height: 1.6;
}

/* Experience Highlight Card */
.experience-card {
  background: linear-gradient(135deg, #071A4A 0%, #0E255F 100%);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem 3rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}

.experience-content h3 {
  color: var(--color-white);
  font-size: 1.4rem;
  margin-bottom: 0.85rem;
}

.experience-content p {
  color: #D3DFEE;
  font-size: 1rem;
  line-height: 1.7;
}

.experience-badge-block {
  flex-shrink: 0;
  text-align: right;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
  padding-left: 2rem;
}

.experience-badge-stat {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-mint);
  line-height: 1;
}

.experience-badge-label {
  font-size: 0.8125rem;
  color: #B2C6DE;
  margin-top: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Footnote caveat styling */
.caveat-note {
  font-size: 0.8125rem;
  color: #8BA8C8;
  font-style: italic;
  margin-top: 1rem;
}

/* Responsive Media Queries System */

/* 1. Large Monitors & Ultrawide (1440px and above) */
@media (min-width: 1440px) {
  .container {
    max-width: var(--container-max);
    margin-inline: auto;
  }
}

/* 2. Small Desktops & Landscape Tablets (992px to 1200px) */
@media (max-width: 1200px) {
  .header-container {
    gap: 1.25rem;
  }

  .nav-zone {
    gap: 1.25rem;
  }

  .footer-grid {
    gap: 2.5rem;
  }
}

/* 3. Tablets Landscape & Standard iPad (1024px) */
@media (max-width: 1024px) {
  .hero-home-grid {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }

  .hero-img {
    height: 360px;
  }

  .metrics-strip {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 1.5rem;
    gap: 1.5rem;
  }

  .metric-item:nth-child(3) {
    border-left: none;
    padding-left: 0;
  }

  .split-feature {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }

  .split-feature.reverse {
    direction: ltr;
  }

  .split-media-img {
    height: 320px;
  }

  .cards-grid-3 {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .cards-grid-2 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .cards-grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .stage-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .arch-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .arch-card-dark {
    grid-column: span 2;
  }

  .experience-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 2.25rem 2rem;
    gap: 1.5rem;
  }

  .experience-badge-block {
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-left: 0;
    padding-top: 1.25rem;
    text-align: left;
    width: 100%;
  }

  .hero-glass-inner {
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem 3rem;
  }
}

/* 4. Tablets Portrait & Mobile Navigation Breakpoint (991px and below) */
@media (max-width: 991px) {
  :root {
    --header-height: 70px;
    --space-4xl: 3.75rem;
    --space-3xl: 2.75rem;
    --space-2xl: 2rem;
  }

  .brand-logo-img {
    height: 48px;
    max-height: 48px;
  }

  .mobile-nav-toggle {
    display: inline-flex;
  }

  .action-zone .btn-header-cta {
    display: none;
  }

  .nav-zone {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: stretch;
    padding: 1.25rem 1.5rem 1.75rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 16px 32px rgba(7, 26, 74, 0.12);
    gap: 0;
    z-index: 1001;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }

  .nav-zone.mobile-open {
    display: flex;
  }

  .nav-link {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 0.85rem 0.75rem;
    font-size: 1rem;
    border-bottom: 1px solid #F1F5F9;
    min-height: 44px;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link:hover,
  .nav-link.active {
    color: var(--color-blue);
    background-color: #F8FAFD;
    border-radius: var(--radius-sm);
    font-weight: 600;
  }

  .hero-glass-inner {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    justify-content: center;
  }

  .service-block {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding: 2rem;
  }

  .service-block-side {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    padding-right: 0;
    padding-bottom: 1rem;
  }

  .structure-trio-row {
    flex-direction: column;
    gap: 0;
  }

  .structure-flow-arrow {
    padding: 1rem 0;
  }

  .structure-arrow-h {
    display: none;
  }

  .structure-arrow-v {
    display: block;
  }
}

/* 5. Phones & Small Tablets (768px and below) */
@media (max-width: 768px) {
  :root {
    --space-4xl: 3.25rem;
    --space-3xl: 2.25rem;
    --space-2xl: 1.75rem;
  }

  .hero-img {
    height: clamp(240px, 50vw, 320px);
  }

  .split-media-img {
    height: clamp(220px, 50vw, 290px);
  }

  .metrics-strip {
    grid-template-columns: 1fr;
    padding: 1.5rem 1.25rem;
    gap: 1rem;
  }

  .metric-item {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
  }

  .metric-item:first-child {
    border-top: none;
    padding-top: 0;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .cards-grid-3 {
    grid-template-columns: 1fr;
  }

  .arch-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .arch-card-dark {
    grid-column: span 1;
  }

  .arch-card-image {
    min-height: 240px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }

  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
}

/* 6. Compact Mobile Screens (560px and below) */
@media (max-width: 560px) {
  .cards-grid-4 {
    grid-template-columns: 1fr;
  }

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

  .hero-glass-inner {
    grid-template-columns: 1fr;
    gap: 1.15rem;
  }

  .button-group {
    flex-direction: column;
    width: 100%;
    align-items: stretch;
    gap: 0.75rem;
  }

  .button-group .btn {
    width: 100%;
    justify-content: center;
  }

  .contact-card-white,
  .contact-card-navy {
    padding: 1.75rem 1.25rem;
  }

  .card {
    padding: 1.5rem 1.25rem;
  }

  .arch-card {
    padding: 1.75rem 1.25rem;
  }

  .experience-card {
    padding: 1.75rem 1.25rem;
  }

  .service-block {
    padding: 1.5rem 1.25rem;
  }

  .project-status-callout {
    padding: 0.75rem 1rem;
    font-size: 0.8125rem;
  }

  .footer-logo-img {
    width: 120px;
  }
}

/* 7. Ultra-Compact Mobile Phones (380px and below, e.g. 320px–360px) */
@media (max-width: 380px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .brand-logo-img {
    height: 42px;
    max-height: 42px;
  }

  .contact-card-white,
  .contact-card-navy {
    padding: 1.5rem 1rem;
  }

  .card {
    padding: 1.25rem 1rem;
  }

  .arch-card {
    padding: 1.5rem 1rem;
  }

  .hero-title {
    font-size: 1.85rem;
  }

  h1 {
    font-size: 1.85rem;
  }

  h2 {
    font-size: 1.4rem;
  }

  .metric-highlight {
    font-size: 1.4rem !important;
  }

  .experience-badge-stat {
    font-size: 1.85rem;
  }

  .hero-glass-val {
    font-size: 1.05rem;
  }
}

/* Operational Excellence Accordion & Image Split */
.op-excellence-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.op-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.op-accordion-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  box-shadow: none;
}

.op-accordion-item:hover {
  border-color: #B9D5F0;
  box-shadow: none;
}

.op-accordion-item.active {
  border-color: var(--color-border);
  box-shadow: none;
}

.op-accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.35rem;
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-navy);
  transition: background-color var(--duration-fast) ease, color var(--duration-fast) ease;
}

.op-accordion-header:hover {
  background-color: #F8FAFD;
}

.op-accordion-item.active .op-accordion-header {
  color: var(--color-blue);
}

.op-header-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-right: 0.5rem;
}

.op-icon-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  background: transparent !important;
  color: var(--color-blue);
  border-radius: 0;
  transition: color var(--duration-normal) ease;
}

.op-accordion-item.active .op-icon-wrapper {
  background: transparent !important;
  color: var(--color-blue);
}

.op-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-navy);
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.op-accordion-item.active .op-title {
  color: var(--color-blue);
}

.op-chevron {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #F1F5F9;
  color: var(--color-slate);
  flex-shrink: 0;
  transition: transform var(--duration-normal) var(--ease-out), background-color var(--duration-fast) ease, color var(--duration-fast) ease;
}

.op-accordion-header:hover .op-chevron {
  background: var(--color-blue-light);
  color: var(--color-blue);
}

.op-accordion-item.active .op-chevron {
  transform: rotate(180deg);
  background: var(--color-blue-light);
  color: var(--color-blue);
}

.op-accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--duration-normal) var(--ease-out);
}

.op-accordion-item.active .op-accordion-panel {
  grid-template-rows: 1fr;
}

.op-panel-inner {
  overflow: hidden;
}

.op-description {
  padding: 0 1.35rem 1.15rem 2.85rem;
  font-size: 0.925rem;
  line-height: 1.6;
  color: var(--color-slate);
  margin: 0;
}

@media (max-width: 991px) {
  .op-excellence-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .op-description {
    padding-left: 1.5rem;
  }
}

/* Scroll-Triggered Fade & Soft Lift Animation */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    will-change: auto !important;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Print Stylesheet */
@media print {
  .site-header, .site-footer, .button-group, .mobile-nav-toggle {
    display: none !important;
  }
  body {
    background: white;
    color: black;
  }
  a[href^="http"]::after {
    content: " (" attr(href) ")";
  }
}