/* ========================================================================== 
   주식회사 토형건설 (Tohyung Construction) Master Design System
   Brand Accent: Cobalt (#1838C8), Vivid Lime (#50E038)
   Neutrals: Deep Architectural Ink (#0B1019, #151D2A), Light Surface (#F8F9FA)
   ========================================================================== */

@font-face {
  font-family: "Pretendard Variable";
  src: url("/assets/fonts/PretendardVariable.woff2") format("woff2-variations");
  font-weight: 45 920;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Brand Core Colors */
  --brand-cobalt: #1838C8;
  --brand-cobalt-hover: #122B9C;
  --brand-cobalt-light: rgba(24, 56, 200, 0.08);
  --brand-lime: #50E038;
  --brand-lime-muted: rgba(80, 224, 56, 0.2);
  --brand-lime-glow: rgba(80, 224, 56, 0.4);

  /* Architectural Neutral Spectrum */
  --ink-900: #0B1019;
  --ink-800: #151D2A;
  --ink-700: #1E2838;
  --ink-600: #2C394E;
  --gray-900: #111827;
  --gray-800: #1F2937;
  --gray-700: #374151;
  --gray-600: #4B5563;
  --gray-500: #6B7280;
  --gray-400: #9CA3AF;
  --gray-300: #D1D5DB;
  --gray-200: #E5E7EB;
  --gray-100: #F3F4F6;
  --gray-50:  #F9FAFB;
  --white:    #FFFFFF;

  /* Typography */
  --font-stack: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  
  /* Layout Dimensions */
  --container-max: 1280px;
  --container-narrow: 960px;
  --header-height: 80px;

  /* Focus & Elevation */
  --focus-ring: 0 0 0 3px rgba(80, 224, 56, 0.7);
  --shadow-sm: 0 1px 3px rgba(11, 16, 25, 0.05);
  --shadow-md: 0 4px 12px rgba(11, 16, 25, 0.08);
  --shadow-lg: 0 12px 24px rgba(11, 16, 25, 0.12);
  --shadow-xl: 0 20px 40px rgba(11, 16, 25, 0.18);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
  overflow: hidden;
}

main {
  flex: 1 0 auto;
}

/* Accessibility Focus */
:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 2px;
}

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

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 9999;
  background: var(--ink-900);
  color: var(--brand-lime);
  padding: 0.75rem 1.5rem;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid var(--brand-lime);
  transition: top var(--transition-fast);
}

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

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

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

/* Global Section Styling */
.section {
  padding-top: 5rem;
  padding-bottom: 5rem;
  position: relative;
}

@media (min-width: 768px) {
  .section {
    padding-top: 7rem;
    padding-bottom: 7rem;
  }
}

.section-dark {
  background-color: var(--ink-900);
  color: var(--white);
}

.section-light {
  background-color: var(--gray-50);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-cobalt);
  margin-bottom: 0.75rem;
}

.section-dark .eyebrow {
  color: var(--brand-lime);
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 1.25rem;
  height: 2px;
  background-color: currentColor;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--gray-900);
}

.section-dark .section-title {
  color: var(--white);
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.75rem;
  }
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--gray-600);
  max-width: 42ch;
  line-height: 1.65;
}

.section-dark .section-subtitle {
  color: var(--gray-300);
}

/* UI Buttons & Links */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.875rem 1.75rem;
  font-size: 0.9375rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 4px;
  transition: all var(--transition-base);
  cursor: pointer;
  border: 1px solid transparent;
  min-height: 48px;
}

.button-primary {
  background-color: var(--brand-cobalt);
  color: var(--white);
}

.button-primary:hover {
  background-color: var(--brand-cobalt-hover);
  box-shadow: 0 4px 14px rgba(24, 56, 200, 0.35);
  transform: translateY(-1px);
}

.button-lime {
  background-color: var(--brand-lime);
  color: var(--ink-900);
  font-weight: 800;
}

.button-lime:hover {
  background-color: #45cd2f;
  box-shadow: 0 4px 16px rgba(80, 224, 56, 0.4);
  transform: translateY(-1px);
}

.button-outline {
  background-color: transparent;
  border-color: var(--gray-300);
  color: var(--gray-800);
}

.button-outline:hover {
  border-color: var(--brand-cobalt);
  color: var(--brand-cobalt);
  background-color: var(--brand-cobalt-light);
}

.button-outline-dark {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--white);
}

.button-outline-dark:hover {
  border-color: var(--brand-lime);
  color: var(--brand-lime);
  background-color: rgba(80, 224, 56, 0.1);
}

.button-arrow::after {
  content: "→";
  display: inline-block;
  transition: transform var(--transition-fast);
}

.button-arrow:hover::after {
  transform: translateX(4px);
}

/* Header Component Styles */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background-color: var(--white);
  border-bottom: 1px solid var(--gray-200);
  transition: background-color var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.site-header.is-solid {
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  padding: 0.25rem 0;
}

.brand-logo-img {
  height: 42px;
  width: auto;
  object-fit: contain;
  display: block;
}

.site-nav {
  display: none;
}

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

.nav-list {
  display: flex;
  list-style: none;
  gap: 2.25rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-block;
  padding: 0.5rem 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--gray-800);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--brand-cobalt);
}

.nav-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  bottom: -1rem;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--brand-cobalt);
  border-radius: 2px;
}

/* Header Submenu Dropdown */
.nav-submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: -1rem;
  min-width: 170px;
  background-color: var(--white);
  padding: 0.75rem 0;
  border-radius: 6px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  list-style: none;
  z-index: 100;
}

.nav-item:hover .nav-submenu,
.nav-item:focus-within .nav-submenu {
  display: block;
}

.nav-submenu li a {
  display: block;
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--gray-700);
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-submenu li a:hover {
  background-color: var(--brand-cobalt-light);
  color: var(--brand-cobalt);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.header-phone {
  display: none;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 800;
  color: var(--brand-cobalt);
  text-decoration: none;
  padding: 0.5rem 1rem;
  background-color: var(--brand-cobalt-light);
  border-radius: 4px;
  transition: background-color var(--transition-fast);
}

@media (min-width: 640px) {
  .header-phone {
    display: inline-flex;
  }
}

.header-phone:hover {
  background-color: rgba(24, 56, 200, 0.15);
}

/* Mobile Menu Toggle & Mobile Drawer */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

@media (min-width: 992px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--ink-900);
  transition: all var(--transition-fast);
  transform-origin: 1px;
}

/* Drawer open state */
@media (max-width: 991px) {
  .site-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--ink-900);
    padding: 6rem 2rem 2rem;
    transition: right var(--transition-smooth);
    z-index: 999;
    display: block;
    box-shadow: var(--shadow-xl);
  }

  .site-nav.is-open {
    right: 0;
  }

  .site-nav .nav-list {
    flex-direction: column;
    gap: 1.5rem;
  }

  .site-nav .nav-link {
    color: var(--white);
    font-size: 1.25rem;
  }

  .site-nav .nav-link[aria-current="page"] {
    color: var(--brand-lime);
  }

  .site-nav .nav-link[aria-current="page"]::after {
    display: none;
  }

  .site-nav .nav-submenu {
    position: static;
    display: block;
    background: transparent;
    box-shadow: none;
    border: none;
    padding-left: 1rem;
    margin-top: 0.5rem;
  }

  .site-nav .nav-submenu li a {
    color: var(--gray-300);
    padding: 0.375rem 0;
  }

  .site-nav .nav-submenu li a:hover {
    color: var(--brand-lime);
    background: transparent;
  }
}

/* Footer Component Styles */
.site-footer {
  background-color: var(--ink-900);
  color: var(--gray-300);
  padding-top: 5rem;
  padding-bottom: 3rem;
  border-top: 1px solid var(--ink-700);
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--ink-800);
}

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

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-logo {
  height: 38px;
  width: auto;
  object-fit: contain;
  align-self: flex-start;
  filter: brightness(0) invert(1);
}

.footer-tagline {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.4;
}

.footer-tagline span {
  color: var(--brand-lime);
}

.footer-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  font-size: 0.9375rem;
}

.footer-contact-list dt {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.125rem;
}

.footer-contact-list dd a {
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.footer-contact-list dd a:hover {
  color: var(--brand-lime);
}

.footer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.9375rem;
}

.footer-nav a {
  color: var(--gray-300);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--brand-lime);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 2rem;
  font-size: 0.875rem;
  color: var(--gray-400);
}

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

/* Subpage Hero Header */
.page-hero {
  background-color: var(--ink-900);
  color: var(--white);
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(135deg, rgba(24, 56, 200, 0.15) 0%, rgba(80, 224, 56, 0.05) 100%);
  pointer-events: none;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--brand-lime);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.breadcrumb a {
  color: var(--gray-300);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--white);
}

.page-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--white);
  margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
  .page-title {
    font-size: 3.25rem;
  }
}

.page-description {
  font-size: 1.125rem;
  color: var(--gray-300);
  max-width: 48ch;
  line-height: 1.6;
}

/* Subpage Secondary Nav */
.subnav {
  background-color: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: var(--header-height);
  z-index: 90;
}

.subnav-inner {
  display: flex;
  gap: 2rem;
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
}

.subnav-inner::-webkit-scrollbar {
  display: none;
}

.subnav a {
  display: inline-block;
  padding: 1rem 0;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--gray-600);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.subnav a:hover,
.subnav a.is-active {
  color: var(--brand-cobalt);
  border-bottom-color: var(--brand-cobalt);
}

/* ==========================================================================
   HOMEPAGE SPECIFIC STYLES
   ========================================================================== */

/* Hero Editorial Opening Composition */
.hero-editorial {
  padding-top: 3.5rem;
  padding-bottom: 5rem;
  background: linear-gradient(180deg, #FFFFFF 0%, #F8F9FA 100%);
  position: relative;
  overflow: hidden;
}

@media (min-width: 992px) {
  .hero-editorial {
    padding-top: 5rem;
    padding-bottom: 7rem;
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
  }
}

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

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem;
  background-color: var(--brand-cobalt-light);
  color: var(--brand-cobalt);
  font-size: 0.8125rem;
  font-weight: 800;
  border-radius: 30px;
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}

.hero-heading {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.03em;
  color: var(--ink-900);
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .hero-heading {
    font-size: 3.5rem;
  }
}

.hero-heading .highlight-cobalt {
  color: var(--brand-cobalt);
  position: relative;
  display: inline-block;
}

.hero-lead {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--gray-700);
  margin-bottom: 2rem;
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
  width: 100%;
}

.hero-proof-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-200);
  width: 100%;
}

.proof-item {
  display: flex;
  flex-direction: column;
}

.proof-number {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--brand-cobalt);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.proof-label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--gray-600);
  margin-top: 0.25rem;
}

/* Asymmetric Hero Image Mosaic */
.hero-gallery {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: repeat(12, 1fr);
  min-height: 380px;
  max-height: 520px;
  width: 100%;
}

@media (min-width: 768px) {
  .hero-gallery {
    min-height: 480px;
  }
}

.gallery-card {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background-color: var(--ink-900);
  transition: transform var(--transition-base);
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-main {
  grid-column: 1 / 10;
  grid-row: 1 / 11;
  z-index: 1;
}

.gallery-sub-1 {
  grid-column: 7 / 13;
  grid-row: 7 / 13;
  z-index: 2;
  border: 4px solid var(--white);
}

.gallery-badge {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background: rgba(11, 16, 25, 0.88);
  backdrop-filter: blur(6px);
  color: var(--white);
  padding: 0.5rem 0.875rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  border-left: 3px solid var(--brand-lime);
}

/* Section 1: Capabilities Chapters (5 Interactive Panels) */
.capabilities-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 992px) {
  .capabilities-container {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3.5rem;
    align-items: center;
  }
}

.capabilities-nav {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.capability-tab {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  background-color: var(--ink-800);
  border: 1px solid var(--ink-700);
  border-radius: 6px;
  color: var(--gray-300);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  width: 100%;
}

.capability-tab:hover {
  background-color: var(--ink-700);
  border-color: var(--gray-600);
}

.capability-tab.is-active {
  background-color: var(--ink-700);
  border-color: var(--brand-lime);
  color: var(--white);
}

.capability-tab.is-active::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--brand-lime);
  border-radius: 6px 0 0 6px;
}

.capability-tab-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 0.375rem;
}

.capability-num {
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--brand-lime);
  letter-spacing: 0.05em;
}

.capability-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
}

.capability-outcome {
  font-size: 0.875rem;
  color: var(--gray-400);
  line-height: 1.5;
  margin-top: 0.25rem;
}

.capability-tab.is-active .capability-outcome {
  color: var(--gray-200);
}

/* Capability Display Panel */
.capability-panel {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  background-color: var(--ink-800);
  box-shadow: var(--shadow-xl);
  min-height: 440px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.capability-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
  transform: scale(1.03);
}

.capability-media.is-active {
  opacity: 0.85;
  transform: scale(1);
}

.capability-overlay {
  position: relative;
  z-index: 2;
  padding: 2.5rem;
  background: linear-gradient(180deg, rgba(11, 16, 25, 0) 0%, rgba(11, 16, 25, 0.95) 80%);
  color: var(--white);
}

.capability-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--brand-cobalt);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 800;
  border-radius: 3px;
  margin-bottom: 0.75rem;
}

.capability-panel-title {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.capability-panel-desc {
  font-size: 0.9375rem;
  color: var(--gray-300);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

/* Section 2: Factual Evidence Section */
.evidence-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

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

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

.evidence-card {
  background-color: var(--white);
  padding: 2rem;
  border-radius: 6px;
  border: 1px solid var(--gray-200);
  border-top: 4px solid var(--brand-cobalt);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.evidence-stat {
  font-size: 3rem;
  font-weight: 900;
  color: var(--brand-cobalt);
  line-height: 1;
  letter-spacing: -0.03em;
}

.evidence-title {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--gray-900);
}

.evidence-desc {
  font-size: 0.875rem;
  color: var(--gray-600);
  line-height: 1.55;
}

/* Section 3: Selected Work Editorial Masonry */
.featured-masonry {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

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

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

.project-card {
  background-color: var(--white);
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gray-300);
}

.project-image {
  position: relative;
  aspect-ratio: 16 / 10;
  background-color: var(--ink-900);
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

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

.project-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--ink-800);
  color: var(--brand-lime);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.project-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-category {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--brand-cobalt);
  background-color: var(--brand-cobalt-light);
  padding: 0.25rem 0.625rem;
  border-radius: 3px;
  margin-bottom: 0.75rem;
}

.project-card h3 {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--gray-100);
  font-size: 0.8125rem;
  color: var(--gray-600);
  font-weight: 600;
}

/* Section 4: Maintenance Workflow */
.workflow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  position: relative;
}

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

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

.workflow-card {
  background-color: var(--ink-800);
  border: 1px solid var(--ink-700);
  padding: 2rem;
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
}

.workflow-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--brand-cobalt);

}

.workflow-card:hover::before {
  background-color: var(--brand-lime);
}

.workflow-step {
  font-size: 0.8125rem;
  font-weight: 900;
  color: var(--brand-lime);
  letter-spacing: 0.1em;
}

.workflow-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
}

.workflow-desc {
  font-size: 0.875rem;
  color: var(--gray-300);
  line-height: 1.6;
}

/* Section 5: Consultation CTA Band */
.contact-cta {
  background-color: var(--ink-900);
  color: var(--white);
  padding: 4rem 2.5rem;
  border-radius: 8px;
  border-left: 6px solid var(--brand-lime);
  display: flex;
  flex-direction: column;
  gap: 2rem;
  box-shadow: var(--shadow-xl);
}

@media (min-width: 992px) {
  .contact-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.contact-cta-content h2 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.contact-cta-content p {
  font-size: 1.0625rem;
  color: var(--gray-300);
}

.contact-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   SUBPAGE SPECIFIC STYLES
   ========================================================================== */

/* Business Archive & Filtering Toolbar */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.filter-button {
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 700;
  background-color: var(--gray-100);
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-button:hover {
  background-color: var(--gray-200);
  color: var(--gray-900);
}

.filter-button.is-active {
  background-color: var(--brand-cobalt);
  color: var(--white);
  border-color: var(--brand-cobalt);
}

.project-toolbar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1rem 1.25rem;
  background-color: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 6px;
}

@media (min-width: 640px) {
  .project-toolbar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.project-count {
  font-size: 0.9375rem;
  font-weight: 800;
  color: var(--gray-900);
}

.search-field {
  position: relative;
  width: 100%;
  max-width: 320px;
}

.search-field input {
  width: 100%;
  padding: 0.625rem 1rem;
  font-size: 0.9375rem;
  border: 1px solid var(--gray-300);
  border-radius: 4px;
  background-color: var(--white);
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-field input:focus {
  border-color: var(--brand-cobalt);
  box-shadow: var(--focus-ring);
}

.project-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  min-height: 400px;
}

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

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

/* Pagination Control */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  margin-top: 3.5rem;
}

.pagination button {
  min-width: 40px;
  height: 40px;
  padding: 0 0.5rem;
  font-size: 0.9375rem;
  font-weight: 700;
  background-color: var(--white);
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pagination button:hover:not(:disabled) {
  background-color: var(--gray-100);
  color: var(--brand-cobalt);
}

.pagination button.is-active {
  background-color: var(--brand-cobalt);
  color: var(--white);
  border-color: var(--brand-cobalt);
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Company CEO & Story Layout */
.ceo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 992px) {
  .ceo-grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 4rem;
  }
}

.ceo-image {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
}

.ceo-image img {
  width: 100%;
  height: auto;
  display: block;
}

.ceo-message {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  font-size: 1.0625rem;
  color: var(--gray-700);
  line-height: 1.7;
}

.ceo-message h2 {
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--gray-900);
  line-height: 1.25;
  margin-bottom: 0.5rem;
}

.ceo-sign {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--gray-200);
  font-weight: 800;
  color: var(--gray-900);
}

.ceo-sign img {
  height: 42px;
  width: auto;
}

/* Taxpayer Page Document Card */
.document-card {
  background-color: var(--white);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.document-card img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

.document-note {
  margin-top: 1.5rem;
  font-size: 0.9375rem;
  color: var(--gray-600);
  font-weight: 600;
}

/* Location Page Grid */
.location-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 992px) {
  .location-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.map-card {
  background-color: var(--ink-900);
  border-radius: 12px;
  overflow: hidden;
  min-height: 430px;
  position: relative;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-md);
}

.map-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  filter: saturate(.78) contrast(1.04);
}

.map-caption {
  position: absolute;
  right: 1.25rem;
  bottom: 1.25rem;
  left: 1.25rem;
  padding: 1rem 1.125rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: rgba(11, 16, 25, .92);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, .3);
  backdrop-filter: blur(12px);
}

.map-caption-title {
  display: flex;
  align-items: center;
  gap: .75rem;
  min-width: 0;
}

.map-caption-mark {
  flex: 0 0 auto;
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  background: var(--brand-cobalt);
  color: var(--white);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .06em;
}

.map-caption small { display: block; color: var(--brand-lime); font-size: .7rem; font-weight: 800; letter-spacing: .1em; margin-bottom: .2rem; }
.map-caption strong { display: block; font-size: .9rem; line-height: 1.35; }

.map-links {
  display: flex;
  gap: .4rem;
  flex: 0 0 auto;
}

.map-links a {
  padding: .6rem .7rem;
  background-color: rgba(255, 255, 255, .12);
  color: var(--white);
  font-weight: 800;
  font-size: .78rem;
  text-align: center;
  text-decoration: none;
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.map-links a:hover {
  background-color: var(--brand-lime);
  color: var(--ink-900);
}

@media (max-width: 680px) {
  .map-card { min-height: 500px; }
  .map-caption { align-items: flex-start; flex-direction: column; }
  .map-links { width: 100%; }
  .map-links a { flex: 1; }
}

.contact-card {
  background-color: var(--white);
  padding: 2.5rem;
  border-radius: 8px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-md);
}

.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-100);
}

.contact-list small {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--gray-500);
  letter-spacing: 0.05em;
}

.contact-list span,
.contact-list a {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--gray-900);
  text-decoration: none;
}

.contact-list a:hover {
  color: var(--brand-cobalt);
}

/* Certificate Gallery & Lightbox Modal */
.certificate-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2rem;
}

.certificate-card {
  background-color: var(--white);
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.certificate-image {
  width: 100%;
  aspect-ratio: 1 / 1.4;
  background-color: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 1rem;
  cursor: pointer;
  padding: 0;
}

.certificate-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.certificate-image:hover img {
  transform: scale(1.03);
}

.certificate-card h3 {
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}

.certificate-card p {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--brand-cobalt);
}

/* Lightbox Modal */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background-color: rgba(11, 16, 25, 0.92);
  backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox.is-open {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: var(--shadow-xl);
}

.lightbox-close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  background: transparent;
  border: none;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.5rem;
}

.lightbox-close:hover {
  color: var(--brand-lime);
}

/* Empty States */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  grid-column: 1 / -1;
  color: var(--gray-500);
  font-weight: 700;
  font-size: 1.0625rem;
  background-color: var(--gray-50);
  border-radius: 6px;
  border: 1px dashed var(--gray-300);
}

.notice-empty {
  text-align: center;
  padding: 5rem 2rem;
  background-color: var(--gray-50);
  border-radius: 8px;
  border: 1px solid var(--gray-200);
}

.notice-empty strong {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--gray-800);
  margin-bottom: 0.5rem;
}

.notice-empty p {
  color: var(--gray-600);
}

/* Reveal Scroll Animations */
.reveal {
  opacity: 1;
  transform: none;
}

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

/* --------------------------------------------------------------------------
   Editorial maintenance stories — image-led, non-card homepage architecture
   -------------------------------------------------------------------------- */
.capability-stories {
  display: grid;
  gap: 1px;
  background: var(--ink-700);
  border-top: 1px solid var(--ink-700);
  border-bottom: 1px solid var(--ink-700);
}

.capability-story {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  min-height: 520px;
  background: var(--ink-900);
}

.capability-story-reverse .capability-visual { order: 2; }
.capability-story-reverse .capability-copy { order: 1; }

.capability-visual {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  background: var(--ink-800);
}

.capability-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 58%, rgba(11, 16, 25, .82));
  pointer-events: none;
}

.capability-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 700ms cubic-bezier(.16, 1, .3, 1), filter 300ms ease;
}

.capability-visual:hover img { transform: scale(1.025); filter: saturate(1.06); }

.capability-visual > span {
  position: absolute;
  z-index: 1;
  left: 2rem;
  bottom: 1.5rem;
  color: var(--white);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .16em;
}

.capability-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: clamp(2rem, 5vw, 4.5rem);
  border-left: 1px solid var(--ink-700);
}

.capability-story-reverse .capability-copy {
  border-left: 0;
  border-right: 1px solid var(--ink-700);
}

.capability-copy > b {
  color: var(--brand-lime);
  font-size: .8rem;
  letter-spacing: .14em;
  margin-bottom: 2.5rem;
}

.capability-kicker {
  color: var(--gray-400);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .04em;
  margin-bottom: .6rem;
}

.capability-copy h3 {
  color: var(--white);
  font-size: clamp(2rem, 3.3vw, 3.35rem);
  line-height: 1.12;
  letter-spacing: -.035em;
  margin-bottom: 1.5rem;
}

.capability-copy > p:not(.capability-kicker) {
  color: var(--gray-300);
  font-size: .98rem;
  line-height: 1.75;
  max-width: 31ch;
}

.capability-copy > a {
  color: var(--brand-lime);
  text-decoration: none;
  font-size: .88rem;
  font-weight: 800;
  margin-top: 2rem;
  padding-bottom: .35rem;
  border-bottom: 1px solid rgba(80, 224, 56, .45);
}

/* Proof is a corporate data ledger, not another stack of cards. */
.evidence-grid { gap: 0; border-top: 1px solid var(--gray-300); border-bottom: 1px solid var(--gray-300); }
.evidence-card {
  background: transparent;
  padding: 2.25rem 2rem 2.5rem;
  border: 0;
  border-radius: 0;
  border-right: 1px solid var(--gray-300);
  box-shadow: none;
}
.evidence-card:last-child { border-right: 0; }
.evidence-stat { font-size: clamp(2.65rem, 4vw, 4.4rem); }
.evidence-title { margin-top: .5rem; }

/* Selected work uses changing spans and proportions like an editorial index. */
@media (min-width: 992px) {
  .featured-masonry { grid-template-columns: repeat(12, 1fr); gap: 1.25rem; align-items: start; }
  .featured-masonry .project-card { grid-column: span 4; }
  .featured-masonry .project-card:nth-child(1) { grid-column: span 7; }
  .featured-masonry .project-card:nth-child(2) { grid-column: span 5; margin-top: 5rem; }
  .featured-masonry .project-card:nth-child(3) { grid-column: span 5; }
  .featured-masonry .project-card:nth-child(4) { grid-column: span 7; margin-top: -2rem; }
  .featured-masonry .project-card:nth-child(5),
  .featured-masonry .project-card:nth-child(6) { grid-column: span 6; }
  .featured-masonry .project-card:nth-child(1) .project-image,
  .featured-masonry .project-card:nth-child(4) .project-image { aspect-ratio: 16 / 8.5; }
}

/* Process reads as one connected construction sequence instead of four tiles. */
.workflow-grid { gap: 0; border-top: 1px solid var(--ink-600); }
.workflow-card {
  background: transparent;
  border: 0;
  border-radius: 0;
  border-right: 1px solid var(--ink-600);
  padding: 2.5rem 2rem 3rem;
}
.workflow-card:last-child { border-right: 0; }
.workflow-card::before { width: 2.5rem; height: 4px; background: var(--brand-lime); }
.workflow-step { color: var(--brand-lime); }

@media (min-width: 1200px) {
  .hero-heading { font-size: 4.25rem; line-height: 1.08; }
  .hero-grid { grid-template-columns: 1fr 1.02fr; gap: 5.5rem; }
}

@media (max-width: 991px) {
  .capability-story { grid-template-columns: 1fr; min-height: 0; }
  .capability-story-reverse .capability-visual,
  .capability-story-reverse .capability-copy { order: initial; }
  .capability-visual { min-height: 420px; }
  .capability-copy,
  .capability-story-reverse .capability-copy { border: 0; border-top: 1px solid var(--ink-700); }
  .workflow-card:nth-child(2) { border-right: 0; }
}

@media (max-width: 767px) {
  .section { padding-top: 4.5rem; padding-bottom: 4.5rem; }
  .section-head { margin-bottom: 2.5rem; }
  .hero-heading { font-size: clamp(2.15rem, 10.2vw, 2.75rem); }
  .hero-proof-bar { gap: .75rem; }
  .proof-number { font-size: 1.45rem; }
  .proof-label { font-size: .72rem; }
  .capability-visual { min-height: 290px; }
  .capability-copy { padding: 2.25rem 1.5rem 3rem; }
  .capability-copy > b { margin-bottom: 1.5rem; }
  .evidence-grid { grid-template-columns: 1fr 1fr; }
  .evidence-card { padding: 1.5rem 1rem 2rem; border-right: 1px solid var(--gray-300); border-bottom: 1px solid var(--gray-300); }
  .evidence-card:nth-child(2n) { border-right: 0; }
  .evidence-card:nth-child(n+3) { border-bottom: 0; }
  .evidence-stat { font-size: 2.45rem; }
  .workflow-grid { grid-template-columns: 1fr; }
  .workflow-card, .workflow-card:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--ink-600); }
  .workflow-card:last-child { border-bottom: 0; }
  .contact-cta { padding: 2.75rem 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}