/* ============================================
   G ENGINEERING INC. — DESIGN SYSTEM
   Civil Engineering & Infrastructure
   ============================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800;900&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Primary — Engineering Blue */
  --blue-900: #0a2540;
  --blue-800: #0d3158;
  --blue-700: #0f3d6e;
  --blue-600: #1456a0;
  --blue-500: #1a6dd4;
  --blue-400: #3b8ae8;
  --blue-300: #6aacf3;
  --blue-200: #a3cdf8;
  --blue-100: #dbeafd;
  --blue-50:  #eef5fe;

  /* Steel Gray */
  --gray-900: #1a1d23;
  --gray-800: #2b2f38;
  --gray-700: #3d424e;
  --gray-600: #545b6b;
  --gray-500: #6e7789;
  --gray-400: #8d95a5;
  --gray-300: #b0b7c5;
  --gray-200: #d3d8e1;
  --gray-100: #ebeef3;
  --gray-50:  #f5f7fa;

  /* Water Blue Accents */
  --water-500: #0ea5e9;
  --water-400: #38bdf8;
  --water-300: #7dd3fc;
  --water-200: #bae6fd;
  --water-100: #e0f2fe;

  /* Semantic */
  --white: #ffffff;
  --black: #0a0a0a;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 50%, var(--blue-600) 100%);
  --gradient-dark: linear-gradient(180deg, var(--gray-900) 0%, var(--blue-900) 100%);
  --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
  --gradient-blue: linear-gradient(135deg, var(--blue-600) 0%, var(--water-500) 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(10,37,64,0.85) 0%, rgba(10,37,64,0.6) 50%, rgba(10,37,64,0.9) 100%);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.18);
  --shadow-blue: 0 8px 30px rgba(20,86,160,0.25);
  --shadow-card: 0 2px 12px rgba(0,0,0,0.06);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1280px;
  --container-padding: 0 24px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Header */
  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-700);
  background: var(--white);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  outline: none;
  font-family: var(--font-body);
}

input, textarea, select {
  font-family: var(--font-body);
  font-size: 1rem;
}

/* ---------- Layout ---------- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

.section {
  padding: var(--section-padding);
}

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

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

.section-blue {
  background: var(--gradient-hero);
  color: var(--white);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
}

.section-dark h1, .section-dark h2, .section-dark h3,
.section-dark h4, .section-dark h5, .section-dark h6,
.section-blue h1, .section-blue h2, .section-blue h3,
.section-blue h4, .section-blue h5, .section-blue h6 {
  color: var(--white);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); font-weight: 600; }
h4 { font-size: clamp(1.1rem, 2vw, 1.25rem); font-weight: 600; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--blue-500);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--gradient-blue);
  border-radius: 2px;
}

.section-dark .section-label,
.section-blue .section-label {
  color: var(--water-300);
}

.section-dark .section-label::before,
.section-blue .section-label::before {
  background: var(--water-400);
}

.section-title {
  margin-bottom: 20px;
}

.section-description {
  font-size: 1.125rem;
  color: var(--gray-500);
  max-width: 680px;
  line-height: 1.8;
}

.section-dark .section-description,
.section-blue .section-description {
  color: var(--blue-200);
}

.section-header {
  margin-bottom: 60px;
}

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

.section-header.center .section-description {
  margin-left: auto;
  margin-right: auto;
}

.section-header.center .section-label {
  justify-content: center;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: var(--gradient-blue);
  color: var(--white);
  box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(20,86,160,0.35);
}

.btn-secondary {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--blue-600);
  border: 2px solid var(--blue-600);
}

.btn-outline:hover {
  background: var(--blue-600);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--white);
  color: var(--blue-700);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1.05rem;
}

.btn-icon {
  font-size: 1.2rem;
}

.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- Header & Navigation ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: all var(--transition-base);
}

.header.transparent {
  background: transparent;
  height: 100px;
}

.header.transparent .logo-img {
  filter: drop-shadow(0 2px 8px rgba(255, 255, 255, 0.3));
  transition: filter var(--transition-base), height var(--transition-base);
}

.header.transparent.scrolled {
  height: var(--header-height);
}

.header.transparent.scrolled .logo-img {
  height: 70px !important;
  filter: drop-shadow(0 1px 4px rgba(255, 255, 255, 0.15));
}

.header.scrolled {
  background: rgba(10, 37, 64, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 101;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-blue);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.logo-icon::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
  animation: logo-shine 4s ease-in-out infinite;
}

@keyframes logo-shine {
  0%, 100% { transform: translateX(-100%); }
  50% { transform: translateX(100%); }
}

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

.logo-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -0.3px;
}

.logo-tagline {
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--water-300);
  opacity: 0.9;
}

/* Nav */
.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav a:hover,
.nav a.active {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--water-400);
  border-radius: 2px;
}

.nav-cta {
  margin-left: 12px;
}

.nav-cta .btn {
  padding: 10px 24px;
  font-size: 0.85rem;
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 8px;
  z-index: 101;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10,37,64,0.98);
  z-index: 100;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-overlay.active {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
}

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

.mobile-nav a {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  padding: 8px 20px;
  transition: color var(--transition-fast);
}

.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--white);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

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

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-overlay);
  z-index: 1;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 780px;
  padding-top: var(--header-height);
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--water-300);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
  animation: fadeInUp 0.8s ease;
}

.hero-label .dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
  color: var(--white);
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.15s both;
}

.hero h1 .highlight {
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--blue-200);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 620px;
  animation: fadeInUp 0.8s ease 0.3s both;
}

.hero .btn-group {
  animation: fadeInUp 0.8s ease 0.45s both;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
  animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat-value {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.hero-stat-value .accent {
  color: var(--water-400);
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--blue-300);
  margin-top: 6px;
  font-weight: 500;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: fadeInUp 0.8s ease 0.8s both;
}

.scroll-indicator span {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.4);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--water-400), transparent);
  animation: scroll-pulse 2s ease infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.7); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ---------- Page Header ---------- */
.page-header {
  position: relative;
  padding: 160px 0 80px;
  background: var(--gradient-hero);
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.page-header-content {
  position: relative;
  z-index: 1;
}

.page-header h1 {
  color: var(--white);
  margin-bottom: 16px;
}

.page-header-description {
  font-size: 1.15rem;
  color: var(--blue-200);
  max-width: 600px;
  line-height: 1.8;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 0.85rem;
  color: var(--blue-300);
}

.breadcrumb a {
  color: var(--water-300);
}

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

.breadcrumb .separator {
  color: var(--blue-400);
}

/* ---------- Cards ---------- */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-100);
}

.card-icon {
  width: 56px;
  height: 56px;
  background: var(--blue-50);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--blue-600);
  margin-bottom: 20px;
  transition: all var(--transition-base);
}

.card:hover .card-icon {
  background: var(--gradient-blue);
  color: var(--white);
  transform: scale(1.05);
}

.card h3 {
  margin-bottom: 12px;
}

.card p {
  color: var(--gray-500);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* Dark card variant */
.card-dark {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
}

.card-dark:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
}

.card-dark h3 { color: var(--white); }
.card-dark p { color: var(--blue-200); }

.card-dark .card-icon {
  background: rgba(255,255,255,0.08);
  color: var(--water-400);
}

.card-dark:hover .card-icon {
  background: var(--gradient-blue);
  color: var(--white);
}

/* ---------- Service Cards Grid ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.service-card {
  display: flex;
  gap: 20px;
  padding: 28px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-200);
}

.service-card .service-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--blue-50);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--blue-600);
  transition: all var(--transition-base);
}

.service-card:hover .service-icon {
  background: var(--gradient-blue);
  color: var(--white);
}

.service-card h4 {
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.service-card p {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ---------- Visual Service Card ---------- */
.service-card-visual {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  height: 100%;
}

.service-card-visual:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--blue-200);
}

.service-card-visual .card-image {
  height: 220px;
  position: relative;
  overflow: hidden;
}

.service-card-visual .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card-visual:hover .card-image img {
  transform: scale(1.1);
}

.service-card-visual .card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 60%, rgba(10, 37, 64, 0.6) 100%);
  z-index: 1;
}

.service-card-visual .card-icon-tag {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--blue-600);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  z-index: 2;
  backdrop-filter: blur(4px);
  transition: all var(--transition-base);
}

.service-card-visual:hover .card-icon-tag {
  background: var(--gradient-blue);
  color: var(--white);
}

.service-card-visual .card-content {
  padding: 30px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.service-card-visual h4 {
  margin-bottom: 12px;
  font-size: 1.15rem;
  color: var(--gray-900);
}

.service-card-visual p {
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 0;
}

.nigp-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--blue-600);
  background: var(--blue-50);
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

/* ---------- Feature Grid ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.feature-item {
  display: flex;
  gap: 16px;
  padding: 24px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.feature-item:hover {
  background: var(--gray-50);
}

.section-dark .feature-item:hover {
  background: rgba(255, 255, 255, 0.08);
}

.feature-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--blue-50);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--blue-600);
}

.feature-item h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.feature-item p {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ---------- Project Cards ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 28px;
}

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-base);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.project-card-image {
  position: relative;
  height: 260px;
  overflow: hidden;
}

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

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

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(10,37,64,0.7) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 24px;
}

.project-card-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.project-card-body {
  padding: 28px;
}

.project-card-body h3 {
  margin-bottom: 10px;
}

.project-card-body p {
  color: var(--gray-500);
  font-size: 0.92rem;
  line-height: 1.7;
}

.project-card-meta {
  display: flex;
  gap: 20px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-100);
}

.project-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--gray-500);
}

.project-meta-item i {
  color: var(--blue-500);
}

/* ---------- Stats Section ---------- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
  padding: 32px 20px;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-value .accent {
  color: var(--water-400);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--blue-200);
  font-weight: 500;
}

/* ---------- CTA Section ---------- */
.cta-section {
  position: relative;
  padding: 80px 0;
  overflow: hidden;
}

.cta-inner {
  position: relative;
  background: var(--gradient-hero);
  border-radius: var(--radius-xl);
  padding: 80px 60px;
  overflow: hidden;
  text-align: center;
}

.cta-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
}

.cta-inner > * {
  position: relative;
  z-index: 1;
}

.cta-inner h2 {
  color: var(--white);
  margin-bottom: 16px;
}

.cta-inner p {
  color: var(--blue-200);
  font-size: 1.125rem;
  max-width: 580px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

/* ---------- Contact Form ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  font-family: var(--font-heading);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 14px 18px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--gray-800);
  transition: all var(--transition-fast);
  font-size: 0.95rem;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--blue-400);
  box-shadow: 0 0 0 4px var(--blue-100);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236e7789' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* Contact Info */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-info-card {
  display: flex;
  gap: 16px;
  padding: 24px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-100);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--gradient-blue);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--white);
}

.contact-info-card h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.contact-info-card p {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* Map */
.map-container {
  width: 100%;
  height: 350px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  margin-top: 20px;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ---------- Values Grid ---------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.value-card {
  padding: 32px 28px;
  background: var(--white);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-200);
}

.value-card .value-icon {
  width: 60px;
  height: 60px;
  background: var(--blue-50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--blue-600);
  margin: 0 auto 18px;
  transition: all var(--transition-base);
}

.value-card:hover .value-icon {
  background: var(--gradient-blue);
  color: var(--white);
  transform: scale(1.08);
}

.value-card h4 {
  margin-bottom: 8px;
}

.value-card p {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ---------- Expertise Items ---------- */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.expertise-card {
  padding: 36px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.expertise-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-blue);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.expertise-card:hover::before {
  transform: scaleX(1);
}

.expertise-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.expertise-card .expertise-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--blue-100);
  line-height: 1;
  margin-bottom: 16px;
}

.expertise-card h3 {
  margin-bottom: 10px;
}

.expertise-card p {
  font-size: 0.92rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ---------- Image + Content Layout ---------- */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.split-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: relative;
}

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

.split-image-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  padding: 12px 20px;
  background: rgba(10,37,64,0.9);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid rgba(255,255,255,0.1);
}

.split-content h2 {
  margin-bottom: 20px;
}

.split-content p {
  margin-bottom: 20px;
  color: var(--gray-600);
  line-height: 1.8;
}

.split-content ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.split-content ul li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--gray-700);
}

.split-content ul li .check-icon {
  width: 24px;
  height: 24px;
  min-width: 24px;
  background: var(--blue-50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-600);
  font-size: 0.7rem;
  font-weight: 700;
}

/* ---------- Certifications ---------- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.cert-card {
  padding: 40px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-card);
  text-align: center;
  transition: all var(--transition-base);
}

.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.cert-badge {
  width: 80px;
  height: 80px;
  background: var(--gradient-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white);
  margin: 0 auto 24px;
  position: relative;
}

.cert-badge::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px dashed var(--blue-200);
}

.cert-card h3 {
  margin-bottom: 10px;
}

.cert-card p {
  font-size: 0.92rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ---------- Service Area ---------- */
.area-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.area-card {
  padding: 32px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
}

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

.area-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.area-card p {
  font-size: 0.92rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ---------- Leadership & Corporate ---------- */
.leadership-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.leadership-card {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-card);
  text-align: center;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.leadership-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--blue-200);
}

.leadership-image {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 24px;
  border: 4px solid var(--blue-50);
  box-shadow: var(--shadow-sm);
}

.leadership-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.leadership-content h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--blue-900);
  margin-bottom: 4px;
}

.leadership-title {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--blue-500);
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.leadership-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-link {
  color: var(--gray-600);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.contact-link i {
  color: var(--blue-600);
  font-size: 0.85rem;
}

.contact-link:hover {
  color: var(--blue-600);
}

.office-card {
  background: var(--blue-900);
  color: var(--white);
}

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

.office-icon-box {
  width: 70px;
  height: 70px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--water-300);
  margin-bottom: 24px;
}

.office-address {
  font-size: 1.1rem;
  line-height: 1.6;
  opacity: 0.85;
}

.office-card .contact-link {
  color: var(--white);
  opacity: 0.8;
}

.office-card .contact-link:hover {
  opacity: 1;
}

.contact-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.6;
  margin-bottom: 4px;
}

@media (max-width: 992px) {
  .leadership-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .office-card {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .leadership-grid {
    grid-template-columns: 1fr;
  }
  .office-card {
    grid-column: span 1;
  }
}

/* Collaboration list */
.collab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.collab-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-100);
  font-weight: 500;
  color: var(--gray-700);
  transition: all var(--transition-fast);
}

.collab-item:hover {
  border-color: var(--blue-200);
  background: var(--blue-50);
}

.collab-item i {
  font-size: 1.2rem;
  color: var(--blue-500);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand {
  max-width: 320px;
}

.footer-brand .logo {
  margin-bottom: 20px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--gray-500);
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--gray-500);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-links a:hover {
  color: var(--water-400);
  transform: translateX(4px);
}

.footer-cert {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 10px;
}

.footer-cert i {
  color: var(--success);
}

.footer-cert span {
  font-size: 0.82rem;
  color: var(--gray-400);
  font-weight: 500;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 0.82rem;
  color: var(--gray-600);
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-on-scroll {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered animations */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .split-section {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  :root {
    --section-padding: 70px 0;
    --header-height: 68px;
  }

  .nav {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

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

  .hero-stats .hero-stat {
    flex-direction: row;
    align-items: center;
    gap: 16px;
  }

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

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

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

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

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

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

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

  .btn-group {
    flex-direction: column;
    align-items: stretch;
  }

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

  .cta-inner {
    padding: 50px 30px;
  }

  .page-header {
    padding: 130px 0 50px;
  }

  .section-header {
    margin-bottom: 40px;
  }
}

@media (max-width: 480px) {
  .values-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-stat-value {
    font-size: 2rem;
  }
}

/* ---------- Utility Classes ---------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-40 { margin-bottom: 40px; }
.mb-60 { margin-bottom: 60px; }
.mt-40 { margin-top: 40px; }
.mt-60 { margin-top: 60px; }

/* ---------- Utility Classes ---------- */
.bg-light { background-color: var(--gray-50); }
.border-top { border-top: 1px solid var(--gray-100); }
.border-bottom { border-bottom: 1px solid var(--gray-100); }

.nigp-code {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--water-500);
  background: var(--blue-50);
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid var(--water-200);
  margin-right: 8px;
  vertical-align: middle;
  position: relative;
  top: -2px;
}