/* ============================================================
   GREY IRON ENGINEERING — Heavy Machinery & Civil Engineering System
   De-Slopped Industrial Grid, Rigid Geometry & Machinery Typography
   ============================================================ */

:root {
  /* Forged Cast Iron & Heavy Structural Steel */
  --obsidian-950: #0F1217;
  --obsidian-900: #161A21;
  --obsidian-850: #1E232B;
  --obsidian-800: #282F3A;
  --obsidian-border: rgba(255, 255, 255, 0.12);

  /* Concrete Linen & Technical Metal Chalk */
  --chalk-base: #F3F5F7;
  --chalk-surface: #FFFFFF;
  --chalk-subtle: #E8ECF0;
  --chalk-border: #D2D8E0;
  --chalk-border-strong: #A8B4C2;

  /* Industrial Machinery High-Vis Amber & Safety Yellow (Matched to Logo Boom) */
  --ochre-raw: #F59E0B;
  --ochre-bright: #FBBF24;
  --ochre-dark: #D97706;
  --ochre-soft: rgba(245, 158, 11, 0.12);
  --ochre-border: rgba(245, 158, 11, 0.40);

  /* High-Contrast Technical Typography */
  --text-main: #12151A;
  --text-muted: #4B5565;
  --text-light: #F3F5F7;
  --text-light-muted: #94A3B8;

  /* Rigid Industrial Radii (Zero Slop Bubbly Corners) */
  --radius-none: 0px;
  --radius-micro: 2px;

  /* Typography Stacks — Industrial Heavy Machinery System */
  --font-display: 'JetBrains Mono', monospace;
  --font-body: 'JetBrains Mono', monospace;
  --font-mono: 'Space Mono', monospace;

  --transition-crisp: all 0.18s cubic-bezier(0.2, 0, 0, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--chalk-base);
}

body {
  font-family: var(--font-body);
  background-color: var(--chalk-base);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-main);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.03em;
}

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

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

.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Reading Progress Indicator */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--ochre-raw);
  z-index: 9999;
  transition: width 0.06s linear;
}

/* ============================================================
   ARCHITECTURAL SITE HEADER & UTILITY STRIP
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #11151D;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  transition: var(--transition-crisp);
}

.site-header.scrolled {
  background: rgba(17, 21, 29, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(245, 158, 11, 0.3);
}

/* Top contact bar */
.topbar {
  background: #090B0E;
  color: #8B98A5;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.topbar-code {
  color: #F3F4F6;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.topbar-link {
  color: #8B98A5;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.topbar-link:hover {
  color: #FFFFFF;
}

/* Main Navigation Bar */
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 2rem;
}

.brand {
  display: flex;
  align-items: center;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  color: #9CA3AF;
  padding: 0.5rem 0;
  letter-spacing: 0.01em;
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  position: relative;
  transition: color 0.15s ease;
}

.nav-links a .nav-num {
  font-family: var(--font-mono);
  font-size: 0.70rem;
  font-weight: 400;
  color: var(--ochre-raw);
}

.nav-links a:hover,
.nav-links a.active {
  color: #FFFFFF;
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--ochre-raw);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* De-Slopped Buttons: Sharp, Technical, Authoritative */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-none);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition-crisp);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--text-main);
  color: #FFFFFF;
  border-color: var(--text-main);
}

.btn-primary:hover {
  background: var(--ochre-raw);
  border-color: var(--ochre-raw);
  color: #FFFFFF;
}

.btn-ochre {
  background: var(--ochre-raw);
  color: #FFFFFF;
  border-color: var(--ochre-raw);
}

.btn-ochre:hover {
  background: var(--ochre-dark);
  border-color: var(--ochre-dark);
  color: #FFFFFF;
}

.btn-secondary {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--text-main);
}

.btn-secondary:hover {
  background: var(--text-main);
  color: #FFFFFF;
}

.btn-secondary-light {
  background: transparent;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-secondary-light:hover {
  background: #FFFFFF;
  border-color: #FFFFFF;
  color: var(--text-main);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  width: 100%;
  height: 2px;
  background: #FFFFFF;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ============================================================
   HERO: STRUCTURAL SKYSCRAPER ATMOSPHERE
   ============================================================ */

.hero-video-section {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--obsidian-950);
  color: #FFFFFF;
  border-bottom: 2px solid var(--text-main);
}

.hero-video-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.5;
  filter: contrast(1.1) brightness(0.85);
}

.hero-video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: linear-gradient(180deg, rgba(9, 12, 18, 0.5) 0%, rgba(9, 12, 18, 0.95) 100%),
              radial-gradient(circle at 80% 20%, rgba(200, 100, 20, 0.15) 0%, transparent 60%);
}

.hero-video-content {
  position: relative;
  z-index: 3;
  padding: 5rem 0 6rem;
  max-width: 920px;
}

.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 4rem);
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
}

.hero-title .title-alt {
  color: var(--ochre-bright);
  font-size: clamp(1.15rem, 2.2vw, 1.85rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  margin-top: 0.5rem;
  display: block;
}

.hero-sub {
  font-size: clamp(1.02rem, 1.5vw, 1.18rem);
  color: #E2E8F0;
  line-height: 1.65;
  max-width: 680px;
  margin-bottom: 2.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  align-items: center;
}

/* Video Control Buttons */
.hero-video-controls {
  position: absolute;
  bottom: 2rem;
  right: 2rem;
  z-index: 10;
  display: flex;
  gap: 0.5rem;
}

.video-ctrl-btn {
  background: rgba(9, 12, 18, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-none);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-crisp);
}

.video-ctrl-btn:hover {
  background: var(--ochre-raw);
  border-color: var(--ochre-raw);
}

/* ============================================================
   ARCHITECTURAL METRIC MATRIX (DE-SLOPPED)
   ============================================================ */

.section-metrics {
  background: #FFFFFF;
  border-bottom: 1px solid var(--chalk-border);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.metric-card {
  padding: 2.8rem 2.2rem;
  border-right: 1px solid var(--chalk-border);
  position: relative;
}

.metric-card:last-child {
  border-right: none;
}

.metric-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ochre-raw);
  letter-spacing: 0.08em;
  margin-bottom: 0.8rem;
  text-transform: uppercase;
}

.metric-number {
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 0.6rem;
}

.metric-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.metric-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================================
   SECTION FRAMEWORKS
   ============================================================ */

.section {
  padding: 6.5rem 0;
  position: relative;
}

.section-dark {
  background: var(--obsidian-900);
  color: #FFFFFF;
}

.section-dark h2, 
.section-dark h3, 
.section-dark h4 {
  color: #FFFFFF;
}

.section-dark .section-subtitle {
  color: var(--text-light-muted);
}

.section-header {
  margin-bottom: 3.8rem;
}

.section-header.text-center {
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ochre-raw);
  margin-bottom: 0.8rem;
}

.section-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.12rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 680px;
}

.section-header.text-center .section-subtitle {
  margin: 0 auto;
}

/* ============================================================
   ARCHITECTURAL SECTORS: CRISP STRUCTURAL GRID
   ============================================================ */

.sectors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--chalk-border);
  border: 1px solid var(--chalk-border);
}

.sector-card {
  background: #FFFFFF;
  padding: 2.6rem 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: var(--radius-none);
  transition: var(--transition-crisp);
}

.sector-card:hover {
  background: #FAFAFA;
}

.sector-meta-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1.4rem;
  border-bottom: 1px solid var(--chalk-border);
  padding-bottom: 0.8rem;
}

.sector-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ochre-raw);
}

.sector-scale-spec {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.sector-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  line-height: 1.2;
}

.sector-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.sector-link {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.sector-link:hover {
  color: var(--ochre-raw);
}

/* ============================================================
   MAJOR PROJECTS PORTFOLIO (EDITORIAL & SCHEDULE ORIENTED)
   ============================================================ */

.projects-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 3.5rem;
}

.filter-btn {
  background: #FFFFFF;
  border: 1px solid var(--chalk-border);
  padding: 0.65rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  border-radius: var(--radius-none);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: var(--transition-crisp);
}

.filter-btn:hover {
  border-color: var(--text-main);
  color: var(--text-main);
}

.filter-btn.active {
  background: var(--text-main);
  color: #FFFFFF;
  border-color: var(--text-main);
}

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

/* Featured Projects Horizontal Scroll System */
.projects-horizontal-wrapper {
  position: relative;
  width: 100%;
}

.projects-horizontal-track {
  display: flex;
  gap: 1.75rem;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding: 0.75rem 0.5rem 2rem 0.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--ochre-raw) #E2E8F0;
}

.projects-horizontal-track::-webkit-scrollbar {
  height: 6px;
}

.projects-horizontal-track::-webkit-scrollbar-track {
  background: #F1F5F9;
  border-radius: 3px;
}

.projects-horizontal-track::-webkit-scrollbar-thumb {
  background: var(--ochre-raw);
  border-radius: 3px;
}

.projects-horizontal-track::-webkit-scrollbar-thumb:hover {
  background: var(--ochre-bright);
}

.project-card-horizontal {
  flex: 0 0 380px;
  width: 380px;
  max-width: 380px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
  border: 1px solid var(--chalk-border);
  box-shadow: 0 6px 24px rgba(15, 23, 42, 0.07);
}

.project-card-horizontal .project-body {
  padding: 1.6rem 1.8rem 1.6rem 1.8rem;
}

.project-card-horizontal .project-title {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.project-card-horizontal .project-card-footer {
  border-top: 1px solid var(--chalk-border);
}

@media (max-width: 992px) {
  .project-card-horizontal {
    flex: 0 0 360px;
    width: 360px;
    max-width: 360px;
  }
}

@media (max-width: 600px) {
  .projects-horizontal-track {
    gap: 1.35rem;
    padding-left: 0.25rem;
    padding-right: 2rem;
  }
  .project-card-horizontal {
    flex: 0 0 80vw;
    width: 80vw;
    min-width: 270px;
    max-width: 315px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.09);
  }
}

/* Horizontal Scroll Header Controls */
.horizontal-scroll-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.scroll-counter-indicator {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-right: 0.5rem;
}

.scroll-nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: #FFFFFF;
  border: 1px solid var(--chalk-border);
  color: var(--obsidian-950);
  cursor: pointer;
  transition: var(--transition-crisp);
}

.scroll-nav-btn:hover {
  background: var(--obsidian-950);
  border-color: var(--obsidian-950);
  color: #FFFFFF;
}

.scroll-nav-btn:active {
  transform: scale(0.96);
}

.project-card {
  background: #FFFFFF;
  border: 1px solid var(--chalk-border);
  border-radius: var(--radius-none);
  display: flex;
  flex-direction: column;
  transition: var(--transition-crisp);
}

.project-card:hover {
  border-color: var(--text-main);
}

.project-img-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--obsidian-950);
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.project-tag-corner {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--obsidian-950);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.project-value-corner,
.project-status-corner {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  background: var(--obsidian-950);
  color: #E2E8F0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.project-body {
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-meta-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.project-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  line-height: 1.15;
}

.project-desc {
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.6rem;
}

/* Technical Specification Table Schedule */
.spec-schedule-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.8rem;
  font-size: 0.85rem;
}

.spec-schedule-table tr {
  border-top: 1px solid var(--chalk-border);
}

.spec-schedule-table tr:last-child {
  border-bottom: 1px solid var(--chalk-border);
}

.spec-schedule-table td {
  padding: 0.55rem 0;
}

.spec-schedule-table td.spec-lbl {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  width: 42%;
}

.spec-schedule-table td.spec-val {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-main);
}

.project-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--chalk-border);
  padding-top: 1.2rem;
}

.btn-open-brief {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--ochre-raw);
  background: none;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0;
}

.btn-open-brief:hover {
  color: var(--ochre-dark);
}

/* ============================================================
   THE 4-PHASE BUILD METHODOLOGY (TECHNICAL SPEC)
   ============================================================ */

.methodology-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.method-card {
  background: var(--obsidian-900);
  padding: 2.8rem 2rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition-crisp);
}

.method-card:hover {
  background: var(--obsidian-850);
}

.method-code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ochre-bright);
  letter-spacing: 0.08em;
  margin-bottom: 1.2rem;
}

.method-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 0.8rem;
  line-height: 1.2;
}

.method-desc {
  font-size: 0.9rem;
  color: var(--text-light-muted);
  line-height: 1.65;
}

/* ============================================================
   ARCHITECTURAL CAPABILITIES & SERVICE DIRECTORY
   ============================================================ */

.capabilities-list {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.capability-card {
  background: #FFFFFF;
  border: 1px solid var(--chalk-border);
  border-radius: var(--radius-none);
  transition: var(--transition-crisp);
}

.capability-card:hover {
  border-color: var(--text-main);
}

.capability-header {
  padding: 2rem 2.4rem 1.6rem;
  border-bottom: 1px solid var(--chalk-border);
  background: #FAFAFA;
}

.capability-meta-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.8rem;
}

.capability-code {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--ochre-raw);
  letter-spacing: 0.06em;
}

.capability-benchmark {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--text-main);
  background: #FFFFFF;
  border: 1px solid var(--chalk-border-strong);
  padding: 0.25rem 0.65rem;
}

.capability-title {
  font-size: clamp(1.6rem, 2.8vw, 2.1rem);
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}

.capability-subtitle {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-muted);
}

.capability-body-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0;
}

.capability-body-grid.reversed {
  grid-template-columns: 1fr 1.1fr;
}

.capability-img-wrap {
  position: relative;
  overflow: hidden;
  background: var(--obsidian-950);
  border-right: 1px solid var(--chalk-border);
  min-height: 380px;
}

.capability-body-grid.reversed .capability-img-wrap {
  border-right: none;
  border-left: 1px solid var(--chalk-border);
}

.capability-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.capability-card:hover .capability-img {
  transform: scale(1.02);
}

.capability-img-overlay {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background: var(--obsidian-950);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.capability-content {
  padding: 2.4rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.capability-desc {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 1.8rem;
}

.capability-protocols {
  margin-bottom: 2rem;
}

.protocols-title {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-main);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--chalk-border);
}

.protocols-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.protocols-list li {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.protocol-bullet {
  font-family: var(--font-mono);
  color: var(--ochre-raw);
  font-size: 0.65rem;
  flex-shrink: 0;
}

.capability-action {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--chalk-border);
}

/* ============================================================
   EXECUTIVE LEADERSHIP & GOVERNANCE
   ============================================================ */

.section-leadership {
  background: #FFFFFF;
  border-top: 1px solid var(--chalk-border);
  border-bottom: 1px solid var(--chalk-border);
}

.leadership-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 4.5rem;
  align-items: center;
}

.leadership-photo-wrap {
  position: relative;
  border: 1px solid var(--chalk-border);
  background: var(--obsidian-950);
}

.leadership-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}

.leadership-stat-corner {
  position: absolute;
  bottom: 0;
  right: 0;
  background: var(--text-main);
  color: #FFFFFF;
  padding: 1.2rem 1.6rem;
  border-top: 2px solid var(--ochre-raw);
  border-left: 2px solid var(--ochre-raw);
  font-family: var(--font-display);
}

.leadership-stat-corner strong {
  display: block;
  font-size: 2rem;
  line-height: 1;
}

.leadership-stat-corner span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-light-muted);
}

.leadership-name {
  font-size: 2.6rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.leadership-title {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--ochre-raw);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 1.6rem;
}

.leadership-quote {
  font-size: 1.15rem;
  font-style: normal;
  color: var(--text-main);
  line-height: 1.65;
  border-left: 3px solid var(--text-main);
  padding-left: 1.4rem;
  margin-bottom: 1.6rem;
  font-weight: 500;
}

.leadership-bio {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 2.2rem;
}

.leadership-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  border-top: 1px solid var(--chalk-border);
  padding-top: 1.6rem;
}

.l-metric strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-main);
}

.l-metric span {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ============================================================
   DUAL EXECUTIVE LEADERSHIP ROSTER
   ============================================================ */
.leadership-roster-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: stretch;
}

@media (max-width: 960px) {
  .leadership-roster-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.leader-card {
  background: var(--chalk-base, #FFFFFF);
  border: 1px solid var(--chalk-border, #E5E7EB);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.leader-card:hover {
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.leader-card .leadership-photo-wrap {
  width: 100%;
  aspect-ratio: 16 / 13;
  overflow: hidden;
  position: relative;
  border: none;
  border-bottom: 1px solid var(--chalk-border, #E5E7EB);
  background: var(--obsidian-950, #0E121B);
}

.leader-card .leadership-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.leader-card-body {
  padding: 2rem 2.2rem 2.2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.leader-role-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.45rem;
  display: block;
}

.leader-card-name {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.35rem;
  color: var(--text-main);
}

.leader-card-title {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--ochre-raw);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 1.2rem;
}

.leader-card-bio {
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  flex: 1;
}

.leader-card-highlights {
  display: grid;
  gap: 0.75rem;
  border-top: 1px solid var(--chalk-border, #E5E7EB);
  padding-top: 1.25rem;
  margin-top: auto;
}

.leader-spec-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.84rem;
  gap: 1rem;
  border-bottom: 1px solid rgba(229, 231, 235, 0.5);
  padding-bottom: 0.5rem;
}

.leader-spec-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.leader-spec-item .spec-k {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.leader-spec-item .spec-v {
  font-weight: 600;
  color: var(--text-main);
  text-align: right;
  font-size: 0.85rem;
}

/* ============================================================
   ACCREDITATIONS & SAFETY MATRIX
   ============================================================ */

.accreditations-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.12);
  margin-bottom: 3.5rem;
  text-align: left;
}

.accredit-card {
  background: var(--obsidian-900);
  padding: 2.2rem 1.8rem;
  display: flex;
  flex-direction: column;
}

.accredit-badge {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--ochre-bright);
  letter-spacing: 0.06em;
  margin-bottom: 0.8rem;
}

.accredit-card strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 0.5rem;
}

.accredit-card p {
  font-size: 0.86rem;
  color: var(--text-light-muted);
  line-height: 1.55;
}

/* ============================================================
   RFP INTAKE DESK BANNER
   ============================================================ */

.section-rfp-banner {
  background: var(--obsidian-950);
  color: #FFFFFF;
  border-top: 2px solid var(--ochre-raw);
}

.rfp-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4.5rem;
  align-items: center;
}

.rfp-content h2 {
  font-size: clamp(2.2rem, 3.8vw, 3rem);
  color: #FFFFFF;
  line-height: 1.15;
  margin-bottom: 1.2rem;
}

.rfp-content p {
  color: var(--text-light-muted);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.rfp-specs-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-bottom: 2.2rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #CBD5E1;
}

.rfp-specs-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.rfp-specs-list li::before {
  content: '✓';
  color: var(--ochre-bright);
  font-weight: 700;
}

.rfp-card-form {
  background: var(--obsidian-900);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 2.8rem 2.2rem;
}

.rfp-card-form h3 {
  color: #FFFFFF;
  font-size: 1.4rem;
  margin-bottom: 0.4rem;
}

.rfp-card-form p {
  color: var(--text-light-muted);
  font-size: 0.88rem;
  margin-bottom: 1.8rem;
}

.form-group {
  margin-bottom: 1.3rem;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #CBD5E1;
  margin-bottom: 0.45rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: #090C12;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.85rem 1rem;
  color: #FFFFFF;
  border-radius: var(--radius-none);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-crisp);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--ochre-bright);
}

.form-select option {
  background: #0E121B;
  color: #FFFFFF;
}

/* Light form on contact page */
.form-light .form-label {
  color: var(--text-main);
}

.form-light .form-input,
.form-light .form-select,
.form-light .form-textarea {
  background: #FFFFFF;
  border: 1px solid var(--chalk-border-strong);
  color: var(--text-main);
}

.form-light .form-input:focus,
.form-light .form-select:focus,
.form-light .form-textarea:focus {
  border-color: var(--text-main);
}

/* Site footer */

.site-footer {
  background: var(--obsidian-950);
  color: var(--text-light-muted);
  border-top: 2px solid var(--text-main);
}

.footer-main {
  padding: 4rem 0 3.25rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 0.7fr 1fr;
  gap: 5rem;
}

.footer-brand-col {
  max-width: 28rem;
}

.footer-desc {
  max-width: 25rem;
  font-size: 0.92rem;
  color: #8E98AB;
  line-height: 1.6;
  margin: 1.25rem 0 0;
}

.footer-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: #8E98AB;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

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

.footer-links li {
  margin-bottom: 0.55rem;
}

.footer-links a {
  font-size: 0.94rem;
  color: #E2E6EC;
}

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

.footer-contact-items {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.f-contact-item strong {
  display: block;
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
  letter-spacing: 0.05em;
}

.f-contact-item p {
  color: #E2E6EC;
  font-size: 0.9rem;
  line-height: 1.45;
}

.f-contact-item a:hover {
  color: #FFFFFF;
}



.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.1rem 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #8E98AB;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-legal {
  display: flex;
  align-items: center;
}

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

/* ============================================================
   MODAL QUICK-VIEW BRIEF
   ============================================================ */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(9, 12, 18, 0.88);
  backdrop-filter: blur(4px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: #FFFFFF;
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  border-radius: var(--radius-none);
  border: 2px solid var(--text-main);
  overflow-y: auto;
  position: relative;
}

.modal-close-btn {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  background: var(--obsidian-950);
  color: #FFFFFF;
  border: none;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
}

.modal-close-btn:hover {
  background: var(--ochre-raw);
}

.modal-hero-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.modal-content-inner {
  padding: 2.5rem;
}

/* ============================================================
   INNER PAGE HERO
   ============================================================ */

.page-hero {
  background: var(--obsidian-900);
  color: #FFFFFF;
  padding: 5.5rem 0 4.5rem;
  border-bottom: 2px solid var(--text-main);
  position: relative;
}

.page-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-light-muted);
  margin-bottom: 1.2rem;
}

.page-breadcrumbs a:hover {
  color: #FFFFFF;
}

.page-hero h1 {
  font-size: clamp(2.6rem, 4.8vw, 3.8rem);
  color: #FFFFFF;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.page-hero-lead {
  font-size: 1.15rem;
  color: #CBD5E1;
  max-width: 760px;
  line-height: 1.65;
}

/* ============================================================
   RESPONSIVE LAYOUT BREAKPOINTS
   ============================================================ */

/* ============================================================
   CONTACT LAYOUT & RESPONSIVE FORMS
   ============================================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1.05fr 1.35fr;
  gap: 4rem;
  align-items: flex-start;
}

.contact-form-card {
  background: #FFFFFF;
  border: 1px solid var(--chalk-border);
  border-top: 3px solid var(--ochre-raw);
  padding: 3rem 2.5rem;
}

.form-row-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-bottom: 1.2rem;
}

.nav-mobile-action {
  display: none;
}

/* ============================================================
   ACTIVE JOB SITES & FIELD OPERATIONS (HUMANS IN ACTION & VIDEO FEED)
   ============================================================ */

.section-field-ops {
  background: #FFFFFF;
  color: var(--text-main);
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--chalk-border);
  border-bottom: 1px solid var(--chalk-border);
  padding: 5.5rem 0;
}

.field-ops-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.field-live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(200, 100, 20, 0.08);
  border: 1px solid var(--ochre-border);
  padding: 0.45rem 0.9rem;
  color: var(--ochre-raw);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.field-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #E07A22;
  box-shadow: 0 0 10px #E07A22;
  animation: fieldPulse 2s infinite ease-in-out;
}

@keyframes fieldPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Wide Live Video Showcase Card */
.field-video-showcase {
  position: relative;
  background: var(--obsidian-900);
  border: 1px solid var(--chalk-border);
  overflow: hidden;
  margin-bottom: 2.5rem;
  min-height: 460px;
  display: flex;
  align-items: flex-end;
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.1);
}

.field-video-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.75;
  filter: contrast(1.05) brightness(0.9);
}

.field-video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: linear-gradient(180deg, rgba(9, 12, 18, 0.25) 0%, rgba(9, 12, 18, 0.85) 75%, rgba(9, 12, 18, 0.98) 100%);
}

.field-video-content {
  position: relative;
  z-index: 3;
  padding: 3rem;
  max-width: 820px;
}

.field-video-tag {
  display: inline-flex;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ochre-raw);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.field-video-content .field-video-tag {
  color: var(--ochre-bright);
}

.field-video-title {
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
  text-transform: uppercase;
}

.field-video-desc {
  font-size: 1rem;
  color: #CBD5E1;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.field-video-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 1.8rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.field-spec-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.field-spec-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ochre-bright);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
}

.field-spec-val {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
}

/* Human Field Crafts Photo Grid */
.field-photos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.field-photo-card {
  background: #FFFFFF;
  border: 1px solid var(--chalk-border);
  display: flex;
  flex-direction: column;
  transition: var(--transition-crisp);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}

.field-photo-card:hover {
  border-color: var(--ochre-raw);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.field-photo-img-wrap {
  position: relative;
  overflow: hidden;
  height: 240px;
  background: var(--chalk-subtle);
}

.field-photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.field-photo-card:hover .field-photo-img {
  transform: scale(1.04);
}

.field-photo-tag {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  background: rgba(9, 12, 18, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--ochre-bright);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.55rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.field-photo-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.field-photo-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
  margin-bottom: 0.6rem;
}

.field-photo-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.2rem;
  flex-grow: 1;
}

.field-photo-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.85rem;
  border-top: 1px solid var(--chalk-border);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ochre-raw);
  font-weight: 700;
}

/* Direct Craft & Safety Stats Strip */
.field-metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--chalk-border);
  background: var(--chalk-base);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}

.field-metric-item {
  padding: 2.2rem 1.8rem;
  border-right: 1px solid var(--chalk-border);
  text-align: left;
}

.field-metric-item:last-child {
  border-right: none;
}

.field-metric-val {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--ochre-raw);
  line-height: 1;
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
}

.field-metric-lbl {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.field-metric-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* ============================================================
   RESPONSIVE LAYOUT BREAKPOINTS
   ============================================================ */

@media (max-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .metric-card:nth-child(2) {
    border-right: none;
  }
  .metric-card:nth-child(1),
  .metric-card:nth-child(2) {
    border-bottom: 1px solid var(--chalk-border);
  }
  .sectors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .methodology-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .leadership-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .rfp-grid {
    grid-template-columns: 1fr;
  }
  .accreditations-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .capability-body-grid,
  .capability-body-grid.reversed {
    grid-template-columns: 1fr;
  }
  .capability-img-wrap,
  .capability-body-grid.reversed .capability-img-wrap {
    min-height: 280px;
    border-left: none;
    border-right: none;
    border-bottom: 1px solid var(--chalk-border);
  }

  /* Field Operations Grid at 1024px */
  .field-photos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .field-metrics-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .field-metric-item:nth-child(2) {
    border-right: none;
  }
  .field-metric-item:nth-child(1),
  .field-metric-item:nth-child(2) {
    border-bottom: 1px solid var(--chalk-border);
  }
}

@media (max-width: 768px) {
  /* Global Container & Spacing */
  .container {
    padding: 0 1.25rem;
  }
  .section {
    padding: 3.8rem 0;
  }
  .section-header {
    margin-bottom: 2.2rem;
  }
  .section-title {
    font-size: clamp(1.75rem, 5.5vw, 2.3rem);
    letter-spacing: -0.03em;
  }

  /* Header & Mobile Drawer Navigation */
  .topbar {
    display: none;
  }
  .nav-inner {
    position: relative;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .brand {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    margin: 0 auto;
    z-index: 2;
  }
  .brand-logo {
    height: 44px;
    width: auto;
    max-width: calc(100vw - 110px);
    object-fit: contain;
    filter: drop-shadow(0 1px 2px rgba(15, 23, 42, 0.08));
  }
  .nav-actions {
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    margin-left: 0;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-cta-btn {
    display: none;
  }
  .nav-mobile-action {
    display: block;
    width: 100%;
    margin-top: 0.8rem;
    padding-top: 1rem;
    border-top: 1px solid var(--chalk-border);
  }
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: #11151D;
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem 1.25rem 2rem;
    gap: 0.25rem;
    border-bottom: 2px solid var(--ochre-raw);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.24s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
    z-index: 999;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a {
    width: 100%;
    padding: 0.75rem 0.5rem;
    font-size: 1.05rem;
    color: #CBD5E1;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }
  .nav-links a.active {
    background: rgba(245, 158, 11, 0.12);
    color: #FFFFFF;
    font-weight: 700;
  }

  /* Hero Banner */
  .hero {
    min-height: auto;
    padding: 4.8rem 0 3.5rem;
  }
  .hero-title .hero-title-br {
    display: none;
  }
  .hero-title .title-alt {
    display: none;
  }
  .hero-tag {
    font-size: 0.72rem;
    margin-bottom: 1.2rem;
  }
  .hero-title {
    font-size: clamp(2rem, 7.2vw, 3rem);
    line-height: 1.1;
    margin-bottom: 1.2rem;
  }
  .hero-sub {
    font-size: 1.02rem;
    line-height: 1.6;
    margin-bottom: 2rem;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 0.85rem;
  }
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .hero-video-controls {
    bottom: 0.85rem;
    right: 0.85rem;
  }

  /* Inner Page Hero */
  .page-hero {
    padding: 3.8rem 0 2.8rem;
  }
  .page-hero h1 {
    font-size: clamp(1.85rem, 5.5vw, 2.5rem);
  }
  .page-hero-lead {
    font-size: 1rem;
    line-height: 1.65;
  }

  /* Metric Matrix Grid */
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  .metric-card {
    border-right: none;
    border-bottom: 1px solid var(--chalk-border);
    padding: 1.8rem 1.25rem;
  }

  /* Sector Cards */
  .sectors-grid {
    grid-template-columns: 1fr;
  }
  .sector-card {
    padding: 1.6rem 1.25rem;
  }

  /* Field Operations on Mobile */
  .field-video-showcase {
    min-height: 380px;
  }
  .field-video-content {
    padding: 2rem 1.25rem;
  }
  .field-video-specs {
    gap: 1.2rem;
  }
  .field-photos-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .field-photo-img-wrap {
    height: 220px;
  }
  .field-photo-body {
    padding: 1.25rem;
  }
  .field-metrics-strip {
    grid-template-columns: 1fr;
  }
  .field-metric-item {
    border-right: none;
    border-bottom: 1px solid var(--chalk-border);
    padding: 1.5rem 1.25rem;
  }
  .field-metric-item:last-child {
    border-bottom: none;
  }

  /* Projects Filter Bar (Touch-Friendly Horizontal Scroll) */
  .projects-filter-bar {
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.6rem;
    gap: 0.35rem;
    margin-bottom: 2rem;
    scrollbar-width: thin;
  }
  .filter-btn {
    white-space: nowrap;
    flex-shrink: 0;
    padding: 0.55rem 0.85rem;
    font-size: 0.72rem;
  }

  /* Project Cards on Mobile */
  .project-body {
    padding: 1.6rem 1.25rem;
  }
  .project-title {
    font-size: 1.35rem;
  }
  .spec-schedule-table td.spec-lbl {
    width: 44%;
    font-size: 0.68rem;
  }
  .spec-schedule-table td.spec-val {
    font-size: 0.82rem;
  }
  .project-card-footer {
    flex-direction: column;
    align-items: stretch;
    gap: 0.85rem;
  }
  .project-card-footer .btn {
    width: 100%;
    justify-content: center;
  }

  /* Modal Sheet on Mobile */
  .modal-backdrop {
    padding: 0.5rem;
    align-items: flex-end;
  }
  .modal-card {
    max-height: 90vh;
    border-width: 2px;
  }
  .modal-content-inner {
    padding: 1.5rem 1.15rem;
  }
  .modal-close-btn {
    top: 0.65rem;
    right: 0.65rem;
    width: 38px;
    height: 38px;
  }
  .modal-hero-img {
    aspect-ratio: 16 / 10;
  }

  /* Forms & Inputs (16px Font Prevents iOS Auto-Zoom) */
  .form-row-2col {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
  }
  .form-input, .form-select, .form-textarea {
    font-size: 16px;
    padding: 0.85rem 0.95rem;
  }
  .contact-form-card {
    padding: 2rem 1.25rem;
  }

  /* Methodology & Accreditations */
  .methodology-grid {
    grid-template-columns: 1fr;
  }
  .methodology-card {
    padding: 1.6rem 1.25rem;
  }
  .accreditations-grid {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer-main {
    padding: 3.5rem 0 2.5rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.2rem;
  }
  .footer-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
    font-size: 0.8rem;
    line-height: 1.5;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  .section {
    padding: 3.2rem 0;
  }
  .hero-title {
    font-size: clamp(1.85rem, 8vw, 2.4rem);
  }
  .nav-inner {
    height: 68px;
  }
  .nav-links {
    top: 68px;
    max-height: calc(100vh - 68px);
  }
  .nav-actions {
    right: 1rem;
  }
  .brand-logo {
    height: 38px;
    max-width: calc(100vw - 90px);
  }
  .modal-backdrop {
    padding: 0;
  }
  .modal-card {
    max-height: 94vh;
    border-left: none;
    border-right: none;
}

/* ============================================================
   TECHNICAL SPECIFICATION BRIEF MODAL & SPEC SCHEDULE
   ============================================================ */
.project-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(9, 11, 14, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.project-modal-backdrop.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.project-modal-content {
  position: relative;
  background: #FFFFFF;
  border: 2px solid var(--text-main);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  max-width: 820px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  transform: translateY(20px) scale(0.98);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-modal-backdrop.open .project-modal-content {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 10;
  background: #11151D;
  color: #FFFFFF;
  border: none;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.modal-close-btn:hover {
  background: var(--ochre-raw);
  color: #11151D;
}

.modal-body-scroll {
  padding: 2.2rem;
  overflow-y: auto;
  max-height: 90vh;
}

.spec-schedule-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-schedule-table tr {
  border-bottom: 1px solid var(--chalk-border);
}

.spec-schedule-table .spec-lbl {
  padding: 0.65rem 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  width: 42%;
}

.spec-schedule-table .spec-val {
  padding: 0.65rem 0;
  font-weight: 600;
  color: var(--text-main);
  text-align: right;
  font-size: 0.88rem;
}

.btn-open-brief:hover {
  background: var(--text-main) !important;
  color: #FFFFFF !important;
}