/* ==========================================================================
   I&K Contractors | Building Envelope Specialists - Main Stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Font Families */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Colors (Slate Archetype) */
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --slate-950: #020617;
  --blue-600: #2563eb;
  
  --max-width: 1440px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* ==========================================================================
   Base Styles & Reset
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--slate-50);
  color: var(--slate-900);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

main {
  flex-grow: 1;
}

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

button {
  background: none;
  border: none;
  font: inherit;
  cursor: pointer;
  outline: none;
}

input, textarea, select {
  font-family: var(--font-sans);
  font-size: inherit;
}

/* Typography Helper Classes */
.font-display { font-family: var(--font-display); }
.font-mono { font-family: var(--font-mono); }
.uppercase { text-transform: uppercase; }
.tracking-wide { tracking: 0.05em; }
.tracking-wider { letter-spacing: 0.1em; }
.tracking-widest { letter-spacing: 0.2em; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

/* Grid/Flex Layout Utilities */
.grid { display: grid; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.hidden { display: none !important; }
.inline-block { display: inline-block; }

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn var(--transition-normal) forwards;
}

/* Common Layout Container */
.container-large {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

@media (min-width: 768px) {
  .container-large {
    padding-left: 48px;
    padding-right: 48px;
  }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--slate-900);
  color: #ffffff;
  border-color: var(--slate-900);
}

.btn-primary:hover {
  background-color: #000000;
  border-color: #000000;
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--slate-800);
  border-color: var(--slate-300);
  font-weight: 600;
}

.btn-secondary:hover {
  border-color: var(--slate-800);
  color: var(--slate-950);
}

.btn-dark {
  background-color: var(--slate-950);
  color: #ffffff;
  border-color: var(--slate-800);
}

.btn-dark:hover {
  background-color: var(--slate-900);
}

.btn-light {
  background-color: var(--slate-100);
  color: var(--slate-800);
}

.btn-light:hover {
  background-color: var(--slate-200);
}

.btn-text-link {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--slate-900);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast);
}

.btn-text-link:hover {
  color: #000000;
}

.btn-text-link .icon {
  transition: transform var(--transition-fast);
}

.btn-text-link:hover .icon {
  transform: translateX(4px);
}

.full-width {
  width: 100% !important;
}

/* Icon Sizing Helper */
.icon {
  width: 16px;
  height: 16px;
}
.icon-sm {
  width: 14px;
  height: 14px;
}
.icon-md {
  width: 20px;
  height: 20px;
}
.icon-lg {
  width: 24px;
  height: 24px;
}
.icon-xl {
  width: 32px;
  height: 32px;
}

/* ==========================================================================
   Header Navigation
   ========================================================================== */
.main-header {
  position: sticky;
  top: 0;
  z-index: 40;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-b: 1px solid var(--slate-200);
  color: var(--slate-900);
}

.top-banner {
  background-color: var(--slate-50);
  border-bottom: 1px solid var(--slate-200);
  padding: 10px 24px;
  font-size: 11px;
  color: var(--slate-500);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-phone-link {
  color: inherit;
  text-decoration: none;
}

.top-phone-link:hover,
.top-phone-link:focus-visible {
  color: var(--slate-900);
}

@media (min-width: 768px) {
  .top-banner {
    padding-left: 48px;
    padding-right: 48px;
  }
}

.top-banner-left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.info-item .icon {
  color: var(--slate-600);
}

.top-banner-right {
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  font-weight: 500;
}

.nav-menu {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (min-width: 768px) {
  .nav-menu {
    padding-left: 48px;
    padding-right: 48px;
  }
}

.logo-btn {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.logo-main {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--slate-900);
  display: flex;
  align-items: center;
  gap: 4px;
}

@media (min-width: 768px) {
  .logo-main {
    font-size: 20px;
  }
}

.logo-main .logo-sub {
  color: var(--slate-500);
  font-weight: 400;
  letter-spacing: 0.05em;
}

.logo-desc {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--slate-500);
  margin-top: 2px;
  transition: color var(--transition-fast);
}

.logo-btn:hover .logo-desc {
  color: var(--slate-900);
}

.desktop-nav {
  display: none;
  align-items: center;
  gap: 32px;
}

@media (min-width: 1024px) {
  .desktop-nav {
    display: flex;
  }
}

.nav-tab {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--slate-500);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
  font-weight: 500;
}

.nav-tab:hover {
  color: var(--slate-900);
  border-color: var(--slate-300);
}

.nav-tab.active {
  color: var(--slate-900);
  border-color: var(--slate-900);
  font-weight: 700;
}

.header-cta {
  display: none;
}

@media (min-width: 1024px) {
  .header-cta {
    display: block;
  }
}

.mobile-toggle-btn {
  display: block;
  padding: 8px;
  color: var(--slate-700);
  transition: color var(--transition-fast);
}

.mobile-toggle-btn:hover {
  color: var(--slate-950);
}

@media (min-width: 1024px) {
  .mobile-toggle-btn {
    display: none;
  }
}

/* Mobile Drawer */
.mobile-drawer {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background-color: #ffffff;
  border-bottom: 1px solid var(--slate-200);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

@media (min-width: 1024px) {
  .mobile-drawer {
    display: none !important;
  }
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-nav-tab {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--slate-500);
  text-align: left;
  padding: 10px 0;
  transition: color var(--transition-fast);
}

.mobile-nav-tab.active {
  color: var(--slate-900);
  font-weight: 700;
  padding-left: 10px;
  border-left: 2px solid var(--slate-900);
}

.mobile-drawer-cta {
  padding-top: 16px;
  border-top: 1px solid var(--slate-100);
}

/* Responsive Helper Hidden Styles */
@media (max-width: 767px) {
  .show-md {
    display: none !important;
  }
}

/* ==========================================================================
   Page Views (Common Layouts)
   ========================================================================== */
.page-view {
  animation: fadeIn var(--transition-normal) forwards;
}

/* General Section Headers */
.section-header-band {
  background-color: var(--slate-50);
  border-bottom: 1px solid var(--slate-200);
  padding: 64px 0;
}

@media (min-width: 768px) {
  .section-header-band {
    padding: 80px 0;
  }
}

.section-header-band .subtitle {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate-500);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
  display: block;
  margin-bottom: 8px;
}

.section-header-band h1 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--slate-900);
  line-height: 1.2;
}

@media (min-width: 768px) {
  .section-header-band h1 {
    font-size: 40px;
  }
}

.section-header-band p {
  color: var(--slate-600);
  font-size: 13px;
  max-width: 640px;
  line-height: 1.6;
  margin-top: 16px;
}

@media (min-width: 768px) {
  .section-header-band p {
    font-size: 14px;
  }
}

/* ==========================================================================
   VIEW: HOME
   ========================================================================== */
/* Hero Unit */
.hero-wrapper {
  position: relative;
  background-color: var(--slate-50);
  border-bottom: 1px solid var(--slate-200);
  min-height: 600px;
  display: flex;
  align-items: center;
  padding: 80px 0;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .hero-wrapper {
    padding-top: 48px;
    padding-bottom: 112px;
  }
}

.hero-background-image {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-background-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  filter: grayscale(80%);
  user-select: none;
}

.hero-gradient-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--slate-50) 20%, rgba(248, 250, 252, 0.9) 60%, transparent 100%);
}

.hero-grid-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  pointer-events: none;
  background-image: radial-gradient(circle, #000 1px, transparent 1px);
  background-size: 24px 24px;
}

.hero-layout {
  position: relative;
  z-index: 10;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-layout {
    grid-template-columns: repeat(12, 1fr);
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

@media (min-width: 1024px) {
  .hero-content {
    grid-column: span 8;
  }
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate-500);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 600;
}

.hero-heading {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--slate-900);
  line-height: 1.15;
}

@media (min-width: 768px) {
  .hero-heading {
    font-size: 44px;
  }
}

@media (min-width: 1024px) {
  .hero-heading {
    font-size: 52px;
  }
}

.hero-paragraph {
  color: var(--slate-600);
  font-size: 14px;
  line-height: 1.7;
  max-width: 640px;
}

@media (min-width: 768px) {
  .hero-paragraph {
    font-size: 16px;
  }
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 480px) {
  .hero-buttons {
    flex-direction: row;
  }
}

/* Hero Widget Panel */
.hero-widget {
  background-color: #ffffff;
  border: 1px solid var(--slate-200);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--shadow-sm);
}

@media (min-width: 1024px) {
  .hero-widget {
    grid-column: span 4;
  }
}

.widget-header {
  border-bottom: 1px solid var(--slate-100);
  padding-bottom: 12px;
}

.widget-header span {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.widget-header h4 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--slate-900);
  margin-top: 4px;
}

.widget-table {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate-600);
}

.widget-row {
  display: flex;
  justify-content: space-between;
}

.widget-row .value {
  color: var(--slate-900);
  font-weight: 700;
}

.widget-footer {
  border-top: 1px solid var(--slate-100);
  padding-top: 12px;
  display: flex;
  gap: 8px;
  font-size: 10px;
  color: var(--slate-500);
  line-height: 1.5;
}

.widget-footer .icon {
  color: var(--slate-600);
  flex-shrink: 0;
}

/* Trust Metric Band */
.trust-metrics-band {
  background-color: #ffffff;
  border-bottom: 1px solid var(--slate-200);
  padding: 32px 0;
}

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

@media (min-width: 768px) {
  .trust-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .trust-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
  }
}

.trust-item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

@media (min-width: 768px) {
  .trust-item {
    text-align: left;
    padding-left: 16px;
    border-left: 1px solid var(--slate-200);
  }
  .trust-item:first-child {
    border-left: none;
    padding-left: 0;
  }
}

.trust-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--slate-500);
  letter-spacing: 0.2em;
  margin-bottom: 4px;
}

.trust-value {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--slate-900);
  line-height: 1.2;
}

@media (min-width: 768px) {
  .trust-value {
    font-size: 15px;
  }
}

.trust-sub {
  font-size: 10px;
  color: var(--slate-500);
  margin-top: 2px;
}

/* Capability Grid Section */
.capabilities-block {
  padding: 80px 0;
  background-color: #ffffff;
  border-bottom: 1px solid var(--slate-200);
}

.section-title-strip {
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-bottom: 1px solid var(--slate-200);
  padding-bottom: 24px;
  margin-bottom: 48px;
}

@media (min-width: 768px) {
  .section-title-strip {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }
}

.section-title-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.section-title-left span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate-500);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
}

.section-title-left h2 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  color: var(--slate-900);
  letter-spacing: -0.02em;
}

.capabilities-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

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

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

.service-card {
  border: 1px solid var(--slate-200);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
  background-color: #ffffff;
}

.service-card:hover {
  border-color: var(--slate-900);
}

.service-card-icon {
  background-color: var(--slate-50);
  width: 56px;
  height: 56px;
  border: 1px solid var(--slate-200);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--blue-600);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.service-card:hover .service-card-icon {
  background-color: var(--slate-100);
  border-color: var(--slate-300);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 12px;
  transition: color var(--transition-fast);
}

.service-card p {
  color: var(--slate-600);
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 24px;
}

.card-divider {
  height: 1px;
  background-color: var(--slate-100);
  margin-bottom: 16px;
}

.service-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--slate-500);
}

.service-card-footer .spec-btn {
  color: var(--slate-900);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: transform var(--transition-fast);
}

.service-card:hover .spec-btn {
  transform: translateX(4px);
}

/* Case Studies Preview Grid */
.case-studies-block {
  padding: 80px 0;
  background-color: var(--slate-50);
  border-bottom: 1px solid var(--slate-200);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

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

.project-card {
  background-color: #ffffff;
  border: 1px solid var(--slate-200);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.project-card-image {
  position: relative;
  height: 256px;
  overflow: hidden;
  background-color: var(--slate-100);
  border-bottom: 1px solid var(--slate-200);
}

@media (min-width: 768px) {
  .project-card-image {
    height: 288px;
  }
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
  filter: grayscale(100%);
  transition: transform 0.5s ease, filter 0.5s ease;
}

.project-card:hover .project-card-image img {
  transform: scale(1.02);
  filter: grayscale(0%);
}

.project-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background-color: var(--slate-900);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 12px;
}

.project-date {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background-color: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--slate-200);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--slate-500);
  padding: 6px 12px;
}

.project-card-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex-grow: 1;
  justify-content: space-between;
}

@media (min-width: 768px) {
  .project-card-info {
    padding: 32px;
  }
}

.project-title-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
}

.project-title-header h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--slate-900);
}

@media (min-width: 768px) {
  .project-title-header h3 {
    font-size: 20px;
  }
}

.project-title-header .location {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--slate-500);
  text-align: right;
  flex-shrink: 0;
  margin-top: 4px;
}

.project-card-desc {
  color: var(--slate-600);
  font-size: 13px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-scope-container {
  border-top: 1px solid var(--slate-100);
  padding-top: 16px;
}

.project-scope-title {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  color: var(--slate-400);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.project-scope-table {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 12px;
}

.project-scope-row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--slate-100);
  padding-bottom: 6px;
}

.project-scope-row .system {
  color: var(--slate-600);
}

.project-scope-row .size {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--slate-900);
}

/* Commercial Demands Column Block */
.commercial-demands-block {
  padding: 80px 0;
  background-color: #ffffff;
  border-bottom: 1px solid var(--slate-200);
}

.commercial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 1024px) {
  .commercial-grid {
    grid-template-columns: repeat(12, 1fr);
  }
}

.commercial-left {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

@media (min-width: 1024px) {
  .commercial-left {
    grid-column: span 5;
  }
}

.commercial-left .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate-500);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
}

.commercial-left h2 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  color: var(--slate-900);
  line-height: 1.25;
}

@media (min-width: 768px) {
  .commercial-left h2 {
    font-size: 30px;
  }
}

.commercial-left p {
  color: var(--slate-600);
  font-size: 14px;
  line-height: 1.6;
}

.commercial-quote {
  border-left: 4px solid var(--slate-900);
  background-color: var(--slate-50);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate-700);
  line-height: 1.5;
}

.commercial-quote .quote-author {
  display: block;
  font-size: 10px;
  color: var(--slate-500);
  font-weight: 700;
  margin-top: 8px;
}

.commercial-right {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 480px) {
  .commercial-right {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .commercial-right {
    grid-column: span 7;
  }
}

.demand-card {
  border: 1px solid var(--slate-200);
  padding: 24px;
  background-color: rgba(248, 250, 252, 0.5);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.demand-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--slate-900);
}

.demand-card-header h3 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
}

.demand-card-header .icon {
  flex-shrink: 0;
}

.demand-card p {
  color: var(--slate-600);
  font-size: 12px;
  line-height: 1.6;
}

@media (min-width: 768px) {
  .demand-card p {
    font-size: 13px;
  }
}

/* Safety Action Strip */
.safety-strip {
  padding: 64px 0;
  background-color: var(--slate-900);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.safety-strip-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  pointer-events: none;
}

.safety-strip-pattern svg {
  width: 100%;
  height: 100%;
}

.safety-strip-layout {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

@media (min-width: 1024px) {
  .safety-strip-layout {
    grid-template-columns: repeat(12, 1fr);
  }
}

.safety-strip-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 1024px) {
  .safety-strip-content {
    grid-column: span 7;
  }
}

.safety-badges-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-outline {
  background-color: var(--slate-800);
  color: var(--slate-300);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.1em;
  padding: 4px 10px;
}

.safety-strip-tagline {
  color: var(--slate-400);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
}

.safety-strip-layout h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #ffffff;
}

@media (min-width: 768px) {
  .safety-strip-layout h2 {
    font-size: 30px;
  }
}

.safety-strip-content p {
  color: var(--slate-300);
  font-size: 13px;
  line-height: 1.6;
  max-width: 640px;
}

@media (min-width: 768px) {
  .safety-strip-content p {
    font-size: 14px;
  }
}

.safety-pills-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 8px;
}

.safety-pill {
  background-color: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--slate-700);
  color: var(--slate-300);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 6px 12px;
}

.safety-strip-widget {
  background-color: var(--slate-950);
  border: 1px solid var(--slate-800);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

@media (min-width: 1024px) {
  .safety-strip-widget {
    grid-column: span 5;
  }
}

.safety-widget-info {
  display: flex;
  gap: 12px;
  align-items: start;
}

.safety-widget-info .icon {
  color: var(--slate-400);
  flex-shrink: 0;
  margin-top: 2px;
}

.safety-widget-text h3 {
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
}

.safety-widget-text p {
  font-size: 12px;
  color: var(--slate-400);
  line-height: 1.5;
  margin-top: 4px;
}

/* Center Closing CTA Band */
.bottom-cta-band {
  padding: 96px 0;
  background-color: #ffffff;
  border-bottom: 1px solid var(--slate-200);
  text-align: center;
  position: relative;
}

.bottom-cta-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.02;
  pointer-events: none;
  background-image: radial-gradient(circle, #000 1px, transparent 1px);
  background-size: 16px 16px;
}

.bottom-cta-content {
  position: relative;
  z-index: 10;
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
}

.bottom-cta-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate-500);
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-weight: 600;
}

.bottom-cta-content h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--slate-900);
  letter-spacing: -0.02em;
}

.cta-note {
  max-width: 520px;
  margin-top: -8px;
  color: var(--slate-500);
  font-size: 11px;
  line-height: 1.5;
}

@media (min-width: 768px) {
  .bottom-cta-content h2 {
    font-size: 36px;
  }
}

.bottom-cta-content p {
  color: var(--slate-600);
  font-size: 13px;
  line-height: 1.6;
}

@media (min-width: 768px) {
  .bottom-cta-content p {
    font-size: 14px;
  }
}

.bottom-cta-content .btn {
  margin-top: 12px;
}

/* ==========================================================================
   VIEW: ABOUT
   ========================================================================== */
/* ==========================================================================
   VIEW: ABOUT
   ========================================================================== */

.about-block {
  padding: 72px 0;
  background-color: #ffffff;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: start;
}

/* Left column */
.about-left {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about-left .tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate-500);
}

.about-left h2 {
  margin: 0;
  max-width: 720px;
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--slate-900);
}

.about-left p {
  margin: 0;
  max-width: 760px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate-600);
}

/* Right column */
.about-right {
  padding: 32px;
  background-color: #ffffff;
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-sm);
}

.about-right h3 {
  margin: 0 0 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--slate-200);

  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--slate-900);
}

/* Timeline */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 32px;

  margin-left: 6px;
  padding-left: 32px;
  border-left: 1px solid var(--slate-300);
}

.timeline-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.timeline-dot {
  position: absolute;
  top: 5px;
  left: -37px;

  width: 10px;
  height: 10px;
  background-color: var(--slate-900);
  border: 2px solid #ffffff;
  box-shadow: 0 0 0 1px var(--slate-900);
  border-radius: 50%;
}

.timeline-year {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate-500);
}

.timeline-item h4 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--slate-900);
}

.timeline-item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate-500);
}

/* Tablet and desktop */
@media (min-width: 768px) {
  .about-block {
    padding: 80px 0;
  }

  .about-left h2 {
    font-size: 36px;
  }

  .about-left p {
    font-size: 16px;
  }

  .about-right {
    padding: 36px;
  }
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 64px;
  }

  .about-left {
    grid-column: span 7;
  }

  .about-right {
    grid-column: span 5;
  }
}

/* Mobile */
@media (max-width: 767px) {
  .about-block {
    padding: 56px 0;
  }

  .about-grid {
    gap: 40px;
  }

  .about-left {
    gap: 20px;
  }

  .about-left h2 {
    font-size: 27px;
  }

  .about-left p {
    font-size: 14px;
    line-height: 1.7;
  }

  .about-right {
    padding: 24px 20px;
  }

  .about-right h3 {
    margin-bottom: 24px;
    font-size: 17px;
  }

  .timeline {
    gap: 28px;
    padding-left: 26px;
  }

  .timeline-dot {
    left: -31px;
  }

  .timeline-item h4 {
    font-size: 14px;
  }

  .timeline-item p {
    font-size: 12px;
  }
}

/* ==========================================================================
   VIEW: SERVICES (Tab System)
   ========================================================================== */
.services-block {
  padding: 64px 0;
}

.services-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 1024px) {
  .services-layout {
    grid-template-columns: repeat(12, 1fr);
  }
}

.services-tabs-left {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

@media (min-width: 1024px) {
  .services-tabs-left {
    grid-column: span 4;
  }
}

.service-select-tab {
  text-align: left;
  padding: 16px;
  border: 1px solid var(--slate-200);
  background-color: #ffffff;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.service-select-tab:hover {
  background-color: var(--slate-50);
}

.service-select-tab span {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--slate-400);
  letter-spacing: 0.15em;
}

.service-select-tab h5 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--slate-900);
}

@media (min-width: 768px) {
  .service-select-tab h5 {
    font-size: 14px;
  }
}

.service-select-tab.active-tab {
  border-color: var(--slate-900);
  background-color: var(--slate-50);
}

.services-spec-panel-right {
  background-color: #ffffff;
  border: 1px solid var(--slate-200);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
  .services-spec-panel-right {
    padding: 32px;
  }
}

@media (min-width: 1024px) {
  .services-spec-panel-right {
    grid-column: span 8;
  }
}

.spec-header {
  margin-bottom: 24px;
}

.spec-header span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate-400);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 4px;
}

.spec-header h2 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--slate-900);
}

@media (min-width: 768px) {
  .spec-header h2 {
    font-size: 24px;
  }
}

.spec-desc {
  color: var(--slate-600);
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 24px;
}

@media (min-width: 768px) {
  .spec-desc {
    font-size: 14px;
  }
}

.spec-features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

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

.feature-list-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.feature-list-title {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--slate-400);
  letter-spacing: 0.15em;
}

.feature-ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feature-li {
  display: flex;
  align-items: start;
  gap: 8px;
  font-size: 12px;
  color: var(--slate-600);
  line-height: 1.5;
}

.feature-li .icon {
  color: var(--slate-800);
  flex-shrink: 0;
  margin-top: 2px;
}

.spec-standards-block {
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.spec-standards-title {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--slate-400);
  letter-spacing: 0.15em;
}

.standards-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.standard-tag {
  background-color: var(--slate-50);
  border: 1px solid var(--slate-200);
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--slate-700);
}

/* ==========================================================================
   VIEW: PROJECTS (Portfolio Grid & Deep Dive)
   ========================================================================== */
.projects-block {
  padding: 48px 0;
}

.projects-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  border-bottom: 1px solid var(--slate-200);
  padding-bottom: 24px;
  margin-bottom: 48px;
}

.project-filter-btn {
  padding: 6px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: #ffffff;
  color: var(--slate-600);
  border: 1px solid var(--slate-200);
  transition: all var(--transition-fast);
}

.project-filter-btn:hover {
  border-color: var(--slate-800);
  color: var(--slate-900);
}

.project-filter-btn.active {
  background-color: var(--slate-900);
  color: #ffffff;
  border-color: var(--slate-900);
}

.projects-layout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 1024px) {
  .projects-layout-grid {
    grid-template-columns: repeat(12, 1fr);
  }
}

.projects-cards-list-left {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-content: start;
}

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

@media (min-width: 1024px) {
  .projects-cards-list-left {
    grid-column: span 7;
  }
}

.project-list-card {
  background-color: #ffffff;
  border: 1px solid var(--slate-200);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.project-list-card:hover {
  border-color: var(--slate-900);
}

.project-list-card.active-card {
  border-color: var(--slate-900);
  box-shadow: 0 0 0 1px var(--slate-900);
}

.project-list-card-image {
  position: relative;
  height: 160px;
  background-color: var(--slate-100);
  border: 1px solid var(--slate-200);
  overflow: hidden;
  filter: grayscale(100%);
  transition: filter var(--transition-normal);
}

.project-list-card:hover .project-list-card-image {
  filter: grayscale(0%);
}

.project-list-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-list-card:hover .project-list-card-image img {
  transform: scale(1.05);
}

.project-list-card-image .badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background-color: var(--slate-900);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 2px 10px;
}

.project-list-card-title-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.project-list-card-title-row .title-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
}

.project-list-card-title-row h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--slate-900);
  line-height: 1.2;
}

.project-list-card-title-row .year {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--slate-400);
  font-weight: 700;
}

.project-list-card-title-row .loc {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--slate-400);
}

.project-list-card p {
  color: var(--slate-500);
  font-size: 12px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-list-card-footer {
  border-top: 1px solid var(--slate-100);
  padding-top: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  color: var(--slate-400);
}

.project-list-card-footer .trigger-btn {
  color: var(--slate-900);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: transform var(--transition-fast);
}

.project-list-card:hover .trigger-btn {
  transform: translateX(4px);
}

/* Projects Case Deep Dive Column Right */
.projects-detail-panel-right {
  background-color: #ffffff;
  border: 1px solid var(--slate-200);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  align-self: start;
}

@media (min-width: 768px) {
  .projects-detail-panel-right {
    padding: 32px;
  }
}

@media (min-width: 1024px) {
  .projects-detail-panel-right {
    grid-column: span 5;
  }
}

.detail-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.detail-header .sector-tag {
  background-color: var(--slate-100);
  color: var(--slate-700);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  padding: 2px 8px;
  text-transform: uppercase;
  display: inline-block;
  align-self: start;
}

.detail-header h2 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--slate-900);
  line-height: 1.25;
}

@media (min-width: 768px) {
  .detail-header h2 {
    font-size: 24px;
  }
}

.detail-header .meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.detail-description {
  color: var(--slate-600);
  font-size: 12px;
  line-height: 1.6;
}

@media (min-width: 768px) {
  .detail-description {
    font-size: 13px;
  }
}

.detail-scope-block {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.detail-scope-title {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--slate-400);
  letter-spacing: 0.15em;
}

.detail-scope-table {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.detail-scope-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  border-bottom: 1px solid var(--slate-100);
  padding-bottom: 8px;
}

.detail-scope-row .system {
  color: var(--slate-700);
  font-weight: 500;
}

.detail-scope-row .size {
  font-family: var(--font-mono);
  font-weight: 700;
  background-color: var(--slate-50);
  border: 1px solid var(--slate-200);
  color: var(--slate-900);
  padding: 2px 8px;
  font-size: 10px;
}

.detail-bullets-block {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.detail-bullets-title {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--slate-400);
  letter-spacing: 0.15em;
}

.detail-bullets-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 12px;
  color: var(--slate-600);
  line-height: 1.5;
}

.detail-bullets-list li {
  display: flex;
  align-items: start;
  gap: 10px;
}

.detail-bullets-list li .bullet {
  color: var(--blue-600);
  font-weight: 700;
  flex-shrink: 0;
}

.detail-audit-box {
  background-color: var(--slate-50);
  padding: 16px;
  border: 1px solid var(--slate-200);
  display: flex;
  gap: 10px;
  font-size: 12px;
  color: var(--slate-500);
  line-height: 1.5;
}

.detail-audit-box .icon {
  color: var(--slate-400);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================================================
   VIEW: SAFETY (Accreditation List & FAQs)
   ========================================================================== */
.safety-block {
  padding: 64px 0;
}

.safety-grid-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

@media (min-width: 1024px) {
  .safety-grid-layout {
    grid-template-columns: repeat(12, 1fr);
  }
}

.safety-credentials-left {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

@media (min-width: 1024px) {
  .safety-credentials-left {
    grid-column: span 7;
  }
}

.safety-credentials-left .subtitle {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 700;
}

.safety-credentials-left h2 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--slate-900);
}

@media (min-width: 768px) {
  .safety-credentials-left h2 {
    font-size: 24px;
  }
}

.credentials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding-top: 8px;
}

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

.credential-box {
  background-color: #ffffff;
  border: 1px solid var(--slate-200);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow-sm);
}

.credential-box-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.credential-box-header h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--slate-900);
}

.credential-box-header .tag {
  background-color: var(--slate-100);
  color: var(--slate-700);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  white-space: nowrap;
}

.credential-box p {
  color: var(--slate-500);
  font-size: 12px;
  line-height: 1.5;
}

/* FAQ Accordion Side Block */
.safety-faq-right {
  background-color: #ffffff;
  border: 1px solid var(--slate-200);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-self: start;
}

@media (min-width: 1024px) {
  .safety-faq-right {
    grid-column: span 5;
  }
}

.safety-faq-right .title-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 700;
}

.safety-faq-right h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--slate-100);
  padding-bottom: 12px;
}

.faq-accordion-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  border: 1px solid var(--slate-200);
  background-color: rgba(248, 250, 252, 0.5);
  transition: background-color var(--transition-fast);
}

.faq-item:hover {
  background-color: #ffffff;
}

.faq-trigger {
  width: 100%;
  text-align: left;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-trigger span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12px;
  line-height: 1.4;
  color: var(--slate-900);
}

@media (min-width: 768px) {
  .faq-trigger span {
    font-size: 13px;
  }
}

.faq-trigger .icon {
  color: var(--slate-500);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-content {
  border-top: 1px solid var(--slate-100);
  padding: 16px;
  font-size: 12px;
  color: var(--slate-600);
  line-height: 1.6;
  background-color: #ffffff;
}

@media (min-width: 768px) {
  .faq-content {
    font-size: 13px;
  }
}

.faq-item.bg-white {
  background-color: #ffffff;
}

.rotate-180 {
  transform: rotate(180deg);
}

/* ==========================================================================
   VIEW: CONTACT
   ========================================================================== */
.contact-block {
  padding: 64px 0;
}

.contact-layout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

@media (min-width: 1024px) {
  .contact-layout-grid {
    grid-template-columns: repeat(12, 1fr);
  }
}

.contact-info-left {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

@media (min-width: 1024px) {
  .contact-info-left {
    grid-column: span 5;
  }
}

.contact-details-box {
  background-color: #ffffff;
  border: 1px solid var(--slate-200);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

@media (min-width: 768px) {
  .contact-details-box {
    padding: 32px;
  }
}

.contact-details-box .title-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--slate-400);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 700;
  display: block;
}

.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item-li {
  display: flex;
  gap: 16px;
  align-items: start;
}

.contact-item-li .icon {
  color: var(--slate-900);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-item-text {
  font-size: 12px;
  color: var(--slate-700);
  line-height: 1.5;
}

@media (min-width: 768px) {
  .contact-item-text {
    font-size: 13px;
  }
}

.contact-item-text .tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--slate-400);
  display: block;
  margin-bottom: 2px;
}

.contact-item-text h5 {
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--slate-900);
}

.contact-item-text p {
  color: var(--slate-600);
  margin-top: 4px;
}

.contact-item-text .mono-number {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--slate-900);
  text-decoration: none;
}

.contact-item-text h5 a {
  text-decoration: none;
  color: inherit;
}

/* Styled UK Range Radar Widget */
.radar-widget {
  background-color: var(--slate-900);
  color: #ffffff;
  border: 1px solid var(--slate-900);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.radar-widget .tag {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--slate-400);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.radar-widget h4 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
}

.radar-display {
  height: 176px;
  background-color: var(--slate-950);
  border: 1px solid var(--slate-800);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.radar-display-background {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.radar-display-background svg {
  width: 100%;
  height: 100%;
}

.radar-display-content {
  position: relative;
  z-index: 10;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.radar-display-content .badge {
  background-color: #ffffff;
  color: var(--slate-900);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 800;
  padding: 2px 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.radar-display-content p {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--slate-400);
}

.radar-widget p.desc {
  font-size: 10px;
  color: var(--slate-400);
  line-height: 1.5;
}

/* Contact Page Right Side Tender drafts + Form */
.contact-form-column-right {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

@media (min-width: 1024px) {
  .contact-form-column-right {
    grid-column: span 7;
  }
}

.drafts-helper-box {
  background-color: var(--slate-900);
  color: #ffffff;
  border: 1px solid var(--slate-900);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.drafts-helper-header {
  display: flex;
  align-items: center;
  gap: 8px;
}

.drafts-helper-header span {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.drafts-helper-box p {
  font-size: 11px;
  color: var(--slate-400);
  line-height: 1.5;
}

.drafts-buttons-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 4px;
}

.tpl-btn {
  background-color: var(--slate-800);
  border: 1px solid var(--slate-700);
  color: var(--slate-100);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 6px 12px;
  transition: all var(--transition-fast);
}

.tpl-btn:hover {
  background-color: #334155;
  border-color: var(--slate-600);
}

.tpl-btn.active-tpl {
  background-color: var(--slate-900);
  border-color: var(--slate-500);
  color: #ffffff;
  font-weight: 700;
}

.form-wrapper {
  background-color: #ffffff;
  border: 1px solid var(--slate-200);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  position: relative;
}

@media (min-width: 768px) {
  .form-wrapper {
    padding: 32px;
  }
}

.form-layout {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-row-2col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--slate-500);
  text-transform: uppercase;
  font-weight: 700;
}

.form-group input, .form-group textarea {
  width: 100%;
  border: 1px solid var(--slate-300);
  padding: 10px 14px;
  font-size: 14px;
  color: var(--slate-900);
  background-color: #ffffff;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--slate-900);
  box-shadow: 0 0 0 1px var(--slate-900);
}

.success-state-overlay {
  padding: 32px 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}

.success-state-icon {
  width: 48px;
  height: 48px;
  background-color: var(--slate-50);
  border: 1px solid var(--slate-200);
  color: var(--slate-900);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.success-state-overlay h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--slate-900);
}

.success-state-overlay p.desc {
  font-size: 12px;
  color: var(--slate-500);
  max-width: 448px;
  line-height: 1.6;
}

.success-state-overlay p.ref {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--slate-900);
}

.success-state-overlay p.ref span {
  color: var(--blue-600);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer-wrapper {
  background-color: #ffffff;
  border-top: 1px solid var(--slate-200);
  padding: 64px 0;
  color: var(--slate-800);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.footer-contact-col address {
  font-style: normal;
}

.footer-contact-link {
  color: var(--slate-500);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color var(--transition-fast);
}

.footer-contact-link:hover,
.footer-contact-link:focus-visible {
  color: var(--slate-900);
}

.footer-bottom-bar .standards a {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--slate-500);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-bottom-bar .standards a:hover,
.footer-bottom-bar .standards a:focus-visible {
  color: var(--slate-900);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(12, 1fr);
  }
}

.footer-logo-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 768px) {
  .footer-logo-col {
    grid-column: span 5;
  }
}

.footer-logo-title {
  display: flex;
  flex-direction: column;
}

.footer-logo-title .title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--slate-900);
  letter-spacing: -0.01em;
}

.footer-logo-title .sub {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--slate-500);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-top: 2px;
}

.footer-logo-col p {
  color: var(--slate-500);
  font-size: 12px;
  line-height: 1.6;
  max-width: 320px;
}

.footer-logo-col .reg-info {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--slate-400);
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 768px) {
  .footer-links-col {
    grid-column: span 3;
  }
}

.footer-links-col h4 {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--slate-900);
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate-500);
  text-align: left;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--slate-900);
}

.footer-contact-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 768px) {
  .footer-contact-col {
    grid-column: span 4;
  }
}

.footer-contact-col h4 {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--slate-900);
}

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 12px;
  color: var(--slate-500);
  line-height: 1.5;
}

.footer-contact-list li {
  display: flex;
  gap: 10px;
  align-items: start;
}

.footer-contact-list li .icon {
  color: var(--slate-700);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact-list li .mono {
  font-family: var(--font-mono);
}

.footer-bottom-bar {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--slate-100);
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate-400);
}

@media (min-width: 640px) {
  .footer-bottom-bar {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-bottom-bar .standards {
  display: flex;
  gap: 24px;
}

.footer-bottom-bar .standards .hilite {
  color: var(--slate-500);
}

/* ==========================================================================
   Overlay Modal: Tender Estimator
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  overflow-y: auto;
  background-color: rgba(2, 6, 23, 0.8);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-container {
  position: relative;
  background-color: #ffffff;
  width: 100%;
  max-width: 672px;
  border: 1px solid var(--slate-300);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}

.modal-header {
  background-color: var(--slate-950);
  color: #ffffff;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--slate-800);
}

.modal-header-left {
  display: flex;
  flex-direction: column;
}

.modal-header-left .top-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 4px;
}

.modal-header h2 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-header .close-btn {
  color: var(--slate-400);
  transition: color var(--transition-fast);
  padding: 6px;
}

.modal-header .close-btn:hover {
  color: #ffffff;
}

.modal-wizard-form {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.modal-wizard-sub-header {
  background-color: var(--slate-50);
  border-bottom: 1px solid var(--slate-200);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-wizard-sub-header .step-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate-500);
}

.step-indicators-bar {
  display: flex;
  gap: 6px;
}

.step-indicator-dot {
  height: 6px;
  width: 24px;
  transition: background-color var(--transition-normal);
  background-color: var(--slate-200);
}

.step-indicator-dot.active {
  background-color: var(--slate-900);
}

.modal-wizard-content-scroller {
  padding: 24px;
  flex-grow: 1;
  overflow-y: auto;
  max-height: 60vh;
}

@media (min-width: 768px) {
  .modal-wizard-content-scroller {
    padding: 32px;
  }
}

.modal-wizard-section {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.modal-wizard-section .tag {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 700;
}

.modal-wizard-section h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--slate-900);
}

.wizard-options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.wizard-opt-btn {
  padding: 12px;
  border: 1px solid var(--slate-300);
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: #ffffff;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.wizard-opt-btn:hover {
  border-color: var(--slate-800);
}

.wizard-opt-btn.active {
  background-color: #ffffff;
  font-weight: 700;
  border-color: var(--slate-900);
  box-shadow: 0 0 0 1px var(--slate-900);
}

.wizard-options-grid-full {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 480px) {
  .wizard-options-grid-full {
    grid-template-columns: repeat(2, 1fr);
  }
}

.wizard-opt-btn-full {
  padding: 12px;
  border: 1px solid var(--slate-300);
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  background-color: #ffffff;
  transition: border-color var(--transition-fast);
}

.wizard-opt-btn-full:hover {
  border-color: var(--slate-800);
}

.wizard-opt-btn-full.active {
  background-color: #ffffff;
  font-weight: 700;
  border-color: var(--slate-900);
  box-shadow: 0 0 0 1px var(--slate-900);
}

/* Page 2 Slider and Metrics */
.slider-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.slider-group-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.slider-group-header h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
}

.slider-group-header .badge {
  font-family: var(--font-mono);
  font-weight: 700;
  background-color: var(--slate-900);
  color: #ffffff;
  padding: 4px 12px;
  font-size: 14px;
}

.slider-input {
  width: 100%;
  height: 8px;
  background-color: var(--slate-200);
  border-radius: 4px;
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
}

.slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--slate-900);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.slider-input::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

.slider-footer {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--slate-400);
}

/* Estimates Widget */
.estimates-result-box {
  background-color: var(--slate-50);
  border: 1px solid var(--slate-200);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.estimates-result-box .tag {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 700;
  display: block;
}

.estimates-metrics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 480px) {
  .estimates-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.est-metric-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.est-metric-item .label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--slate-400);
}

.est-metric-item .val-large {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--slate-900);
}

@media (min-width: 768px) {
  .est-metric-item .val-large {
    font-size: 20px;
  }
}

.est-metric-item .val-normal {
  font-weight: 700;
  font-size: 14px;
  color: var(--slate-700);
}

.estimates-disclaimer {
  font-size: 10px;
  color: var(--slate-400);
  line-height: 1.5;
  border-top: 1px solid var(--slate-200);
  padding-top: 12px;
}

/* Page 4 form customizer */
.modal-wizard-form-group-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 480px) {
  .modal-wizard-form-group-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.checkbox-group {
  display: flex;
  align-items: start;
  gap: 10px;
}

.checkbox-group input[type="checkbox"] {
  width: 16px;
  height: 16px;
  border: 1px solid var(--slate-300);
  accent-color: var(--slate-900);
  margin-top: 2px;
  flex-shrink: 0;
}

.checkbox-group label {
  font-size: 11px;
  color: var(--slate-500);
  line-height: 1.5;
}

/* Modal Wizard Action Footer */
.modal-footer {
  background-color: var(--slate-50);
  border-top: 1px solid var(--slate-200);
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-footer .prev-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--slate-600);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition-fast);
}

.modal-footer .prev-btn:hover {
  color: var(--slate-900);
}

/* Success View */
.modal-success-screen {
  padding: 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
}

.modal-success-icon {
  width: 64px;
  height: 64px;
  background-color: var(--slate-100);
  border: 1px solid var(--slate-200);
  color: var(--slate-900);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-success-screen h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--slate-900);
}

.modal-success-screen p.desc {
  font-size: 12px;
  color: var(--slate-500);
  max-width: 448px;
  line-height: 1.6;
}

.modal-success-screen .ref-card {
  background-color: var(--slate-50);
  border: 1px solid var(--slate-200);
  padding: 16px;
  display: inline-block;
}

.modal-success-screen .ref-card span.label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--slate-400);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 4px;
}

.modal-success-screen .ref-card span.code {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--slate-900);
  font-size: 16px;
}

.modal-success-screen .contact-footer {
  font-size: 12px;
  color: var(--slate-400);
}

.modal-success-screen .footer-divider {
  border-top: 1px solid var(--slate-100);
  width: 100%;
  padding-top: 16px;
}

/* Spin animation for loading states */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-spin {
  animation: spin 1s linear infinite;
}