/* ============================================
   NOVA Environmental Consulting — Stylesheet
   ============================================ */

/* --- CSS Variables --- */
:root {
  --primary: #0B3D2E;
  --primary-light: #14573F;
  --secondary: #1B6B4A;
  --accent: #C8A44E;
  --accent-light: #D4B76A;
  --bg-light: #F7F9F7;
  --bg-white: #FFFFFF;
  --bg-dark: #0A1F17;
  --text-dark: #1A1A1A;
  --text-body: #4A4A4A;
  --text-muted: #7A7A7A;
  --text-light: #E8E8E8;
  --border: #E0E5E0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  color: var(--text-body);
  background: var(--bg-white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

ul, ol {
  list-style: none;
}

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

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

h1, h2, h3, h4, h5, h6 {
  color: var(--text-dark);
  line-height: 1.3;
  font-weight: 700;
}

/* --- Utility --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--accent);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
  color: var(--text-dark);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.8;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--secondary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(27, 107, 74, 0.35);
}

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

.btn-outline:hover {
  background: var(--secondary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--accent);
  color: var(--primary);
}

.btn-accent:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(200, 164, 78, 0.35);
}

.btn-white {
  background: #fff;
  color: var(--primary);
}

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

.btn svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition);
}

.btn:hover svg {
  transform: translateX(4px);
}

.text-accent {
  color: var(--accent);
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Header / Navbar --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all var(--transition);
  padding: 20px 0;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  padding: 12px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  z-index: 1001;
}

.header.scrolled .logo {
  color: var(--primary);
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--primary);
}

.logo span {
  font-weight: 400;
  font-size: 0.7rem;
  display: block;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: 0.8;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

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

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

.header.scrolled .nav-links a {
  color: var(--text-body);
}

.header.scrolled .nav-links a:hover,
.header.scrolled .nav-links a.active {
  color: var(--primary);
}

.nav-cta {
  padding: 10px 24px !important;
  background: var(--accent) !important;
  color: var(--primary) !important;
  border-radius: 50px !important;
  font-weight: 600 !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: var(--accent-light) !important;
  transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  padding: 4px;
  z-index: 1001;
}

.hamburger span {
  width: 28px;
  height: 2px;
  background: #fff;
  transition: all var(--transition);
  border-radius: 2px;
}

.header.scrolled .hamburger span {
  background: var(--text-dark);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* --- Page Header (non-home pages) --- */
.page-header .logo {
  color: var(--primary);
}

.page-header .nav-links a {
  color: var(--text-body);
}

.page-header .nav-links a:hover,
.page-header .nav-links a.active {
  color: var(--primary);
}

.page-header .hamburger span {
  background: var(--text-dark);
}

.page-header {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  padding: 12px 0;
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(165deg, var(--bg-dark) 0%, var(--primary) 50%, var(--secondary) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(27, 107, 74, 0.3) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(200, 164, 78, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 80%, rgba(11, 61, 46, 0.4) 0%, transparent 50%);
}

.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image:
    linear-gradient(30deg, #fff 12%, transparent 12.5%, transparent 87%, #fff 87.5%, #fff),
    linear-gradient(150deg, #fff 12%, transparent 12.5%, transparent 87%, #fff 87.5%, #fff),
    linear-gradient(30deg, #fff 12%, transparent 12.5%, transparent 87%, #fff 87.5%, #fff),
    linear-gradient(150deg, #fff 12%, transparent 12.5%, transparent 87%, #fff 87.5%, #fff),
    linear-gradient(60deg, rgba(255,255,255,.5) 25%, transparent 25.5%, transparent 75%, rgba(255,255,255,.5) 75%, rgba(255,255,255,.5)),
    linear-gradient(60deg, rgba(255,255,255,.5) 25%, transparent 25.5%, transparent 75%, rgba(255,255,255,.5) 75%, rgba(255,255,255,.5));
  background-size: 80px 140px;
  background-position: 0 0, 0 0, 40px 70px, 40px 70px, 0 0, 40px 70px;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding-top: 100px;
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}

.hero-badge svg {
  width: 16px;
  height: 16px;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: #fff;
  margin-bottom: 24px;
  line-height: 1.15;
  font-weight: 800;
}

.hero h1 .highlight {
  color: var(--accent);
  position: relative;
}

.hero p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 40px;
  line-height: 1.8;
  max-width: 500px;
}

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

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stat h3 {
  font-size: 2.2rem;
  color: var(--accent);
  font-weight: 800;
}

.hero-stat p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 480px;
}

.hero-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}

.hero-card-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card-icon svg {
  width: 28px;
  height: 28px;
  color: var(--primary);
}

.hero-card-header h3 {
  color: #fff;
  font-size: 1.2rem;
}

.hero-card-header p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0;
}

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

.hero-card-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all var(--transition);
}

.hero-card-item:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(200, 164, 78, 0.3);
}

.hero-card-item-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: rgba(200, 164, 78, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card-item-icon svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
}

.hero-card-item h4 {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
}

.hero-card-item p {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0;
}

/* Floating elements */
.float-element {
  position: absolute;
  border-radius: 50%;
  opacity: 0.1;
  animation: floatAnim 6s ease-in-out infinite;
}

.float-element:nth-child(1) {
  width: 300px;
  height: 300px;
  background: var(--accent);
  top: 10%;
  right: -5%;
  animation-delay: 0s;
}

.float-element:nth-child(2) {
  width: 200px;
  height: 200px;
  background: var(--secondary);
  bottom: 10%;
  left: -3%;
  animation-delay: 2s;
}

.float-element:nth-child(3) {
  width: 150px;
  height: 150px;
  background: var(--accent);
  bottom: 30%;
  right: 10%;
  animation-delay: 4s;
}

@keyframes floatAnim {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  padding: 160px 0 80px;
  background: linear-gradient(165deg, var(--bg-dark) 0%, var(--primary) 60%, var(--secondary) 100%);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(200, 164, 78, 0.1) 0%, transparent 60%);
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  color: #fff;
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.5);
}

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

.breadcrumb svg {
  width: 14px;
  height: 14px;
}

/* --- About Preview (Home) --- */
.about-preview {
  background: var(--bg-light);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.about-image-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
  padding: 40px;
}

.about-image-overlay svg {
  width: 64px;
  height: 64px;
  margin-bottom: 20px;
  opacity: 0.8;
}

.about-image-overlay h3 {
  color: #fff;
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.about-image-overlay p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

.about-content .section-subtitle {
  margin-bottom: 32px;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

.about-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.about-feature-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: rgba(27, 107, 74, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-feature-icon svg {
  width: 22px;
  height: 22px;
  color: var(--secondary);
}

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

.about-feature p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* --- Services Section --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 60px;
}

.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--secondary), var(--accent));
  transform: scaleX(0);
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

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

.service-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(27, 107, 74, 0.1), rgba(27, 107, 74, 0.05));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--secondary), var(--primary));
}

.service-icon svg {
  width: 28px;
  height: 28px;
  color: var(--secondary);
  transition: color var(--transition);
}

.service-card:hover .service-icon svg {
  color: #fff;
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--secondary);
}

.service-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition);
}

.service-link:hover svg {
  transform: translateX(4px);
}

/* Service Detail Cards */
.service-detail {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 32px;
}

.service-detail-header {
  padding: 32px 36px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  display: flex;
  align-items: center;
  gap: 20px;
}

.service-detail-header .service-icon {
  background: rgba(255, 255, 255, 0.15);
  margin-bottom: 0;
}

.service-detail-header .service-icon svg {
  color: var(--accent);
}

.service-detail-header h3 {
  color: #fff;
  font-size: 1.3rem;
}

.service-detail-header p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.service-detail-body {
  padding: 36px;
}

.service-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.service-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-body);
  padding: 8px 0;
}

.service-list li svg {
  width: 18px;
  height: 18px;
  min-width: 18px;
  color: var(--secondary);
  margin-top: 2px;
}

/* --- Stats Section --- */
.stats-section {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  padding: 80px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-item h3 {
  font-size: 3rem;
  color: var(--accent);
  font-weight: 800;
  margin-bottom: 8px;
}

.stat-item p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  font-weight: 500;
}

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--bg-dark), var(--primary));
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(200, 164, 78, 0.05);
  top: -200px;
  right: -100px;
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: #fff;
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 1.1rem;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- Blog Section --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 60px;
}

.blog-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}

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

.blog-card-image {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  position: relative;
  overflow: hidden;
}

.blog-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.3));
}

.blog-card-category {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  padding: 6px 14px;
  background: var(--accent);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.blog-card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.blog-card-meta svg {
  width: 14px;
  height: 14px;
}

.blog-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  line-height: 1.5;
}

.blog-card h3 a:hover {
  color: var(--secondary);
}

.blog-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* --- Research Section --- */
.research-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-top: 60px;
}

.research-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px;
  transition: all var(--transition);
  display: flex;
  gap: 24px;
}

.research-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--secondary);
}

.research-card-icon {
  width: 60px;
  height: 60px;
  min-width: 60px;
  background: linear-gradient(135deg, rgba(27, 107, 74, 0.1), rgba(200, 164, 78, 0.1));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.research-card-icon svg {
  width: 26px;
  height: 26px;
  color: var(--secondary);
}

.research-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.research-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.research-card-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 600;
}

.research-card-date svg {
  width: 14px;
  height: 14px;
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  margin-top: 60px;
}

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

.contact-info-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.contact-info-icon {
  width: 56px;
  height: 56px;
  min-width: 56px;
  background: linear-gradient(135deg, rgba(27, 107, 74, 0.1), rgba(27, 107, 74, 0.05));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-info-icon svg {
  width: 24px;
  height: 24px;
  color: var(--secondary);
}

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

.contact-info-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.contact-info-card a {
  color: var(--secondary);
  font-weight: 500;
}

.contact-info-card a:hover {
  color: var(--primary);
}

.contact-form {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 40px;
}

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

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-size: 0.95rem;
  color: var(--text-dark);
  background: var(--bg-light);
  transition: all var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--secondary);
  background: var(--bg-white);
  box-shadow: 0 0 0 3px rgba(27, 107, 74, 0.1);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* --- Career Section --- */
.career-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 60px;
}

.career-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  transition: all var(--transition);
}

.career-card:hover {
  border-color: var(--secondary);
  box-shadow: var(--shadow-md);
}

.career-card-info h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.career-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.career-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  background: var(--bg-light);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.career-tag svg {
  width: 12px;
  height: 12px;
}

/* --- Footer --- */
.footer {
  background: var(--bg-dark);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
  margin-top: 20px;
  margin-bottom: 24px;
  max-width: 300px;
  line-height: 1.8;
}

.footer-brand .logo {
  color: #fff;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--accent);
}

.footer-social a svg {
  width: 18px;
  height: 18px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-social a:hover svg {
  color: var(--primary);
}

.footer-column h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 24px;
  font-weight: 600;
}

.footer-column a {
  display: block;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
  padding: 6px 0;
  transition: all var(--transition);
}

.footer-column a:hover {
  color: var(--accent);
  padding-left: 6px;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.85rem;
}

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

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.85rem;
}

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

/* --- Scroll to top --- */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--secondary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 999;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--primary);
  transform: translateY(-4px);
}

.scroll-top svg {
  width: 20px;
  height: 20px;
}

/* --- Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- About Page Specifics --- */
.about-mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 60px;
}

.mission-card {
  text-align: center;
  padding: 48px 32px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

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

.mission-card-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, rgba(27, 107, 74, 0.1), rgba(200, 164, 78, 0.1));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mission-card-icon svg {
  width: 32px;
  height: 32px;
  color: var(--secondary);
}

.mission-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.mission-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero p {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

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

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

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

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

@media (max-width: 768px) {
  .section {
    padding: 70px 0;
  }

  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    background: var(--bg-white);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    padding: 40px;
    transition: right var(--transition);
    box-shadow: var(--shadow-xl);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    color: var(--text-dark) !important;
    font-size: 1.1rem;
  }

  .nav-links a:hover {
    color: var(--secondary) !important;
  }

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

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

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

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

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

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

  .career-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .service-list {
    grid-template-columns: 1fr;
  }

  .about-mission-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

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

/* Mobile nav overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}