/* ==========================================
   GREEN NITROGEN CAREER - REDESIGNED
   Modern | Minimalist | Corporate | Premium
   ========================================== */

:root {
  /* Primary Colors - Deep Green & Charcoal */
  --gn-primary: #d32f2f;
  --gn-primary-dark: #d32f2f;
  --gn-primary-light: #d32f2f;

  /* Neutral Colors */
  --gn-dark: #212529;
  --gn-charcoal: #343a40;
  --gn-gray: #6c757d;
  --gn-light-gray: #adb5bd;
  --gn-bg-light: #f8f9fa;
  --gn-white: #ffffff;

  /* Accent - Muted Gold */
  --gn-accent: #b8860b;
  --gn-accent-light: #d4af37;

  /* Transitions - Slow and Elegant */
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s ease-out;

  /* Shadows - Subtle */
  --shadow-subtle: 0 2px 12px rgba(0, 0, 0, 0.04);
  --shadow-medium: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-elevated: 0 8px 32px rgba(0, 0, 0, 0.12);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --spacing-xxl: 8rem;
}

/* ========== GLOBAL RESET ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family:
    'Inter',
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    'Helvetica Neue',
    sans-serif;
  color: var(--gn-dark);
  background-color: var(--gn-white);
  line-height: 1.7;
  font-weight: 400;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  scroll-behavior: smooth;
}

/* Typography Scale */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--gn-dark);
}

h1 {
  font-size: 3.5rem;
}
h2 {
  font-size: 2.75rem;
}
h3 {
  font-size: 2rem;
}
h4 {
  font-size: 1.5rem;
}
h5 {
  font-size: 1.25rem;
}

p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--gn-gray);
}

/* ========== BUTTONS ========== */
.btn-gn-primary {
  background: var(--gn-primary);
  border: none;
  color: var(--gn-white);
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 4px;
  transition: var(--transition-medium);
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
}

.btn-gn-primary:hover {
  background: var(--gn-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  color: var(--gn-white);
}

.btn-gn-secondary {
  background: transparent;
  border: 2px solid var(--gn-primary);
  color: var(--gn-primary);
  font-weight: 600;
  padding: 12px 30px;
  border-radius: 4px;
  transition: var(--transition-medium);
  font-size: 0.9375rem;
}

.btn-gn-secondary:hover {
  background: var(--gn-primary);
  color: var(--gn-white);
}

.btn-gn-accent {
  background: var(--gn-accent);
  border: none;
  color: var(--gn-white);
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 4px;
  transition: var(--transition-medium);
  font-size: 0.9375rem;
}

.btn-gn-accent:hover {
  background: var(--gn-accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  color: var(--gn-white);
}

/* ========== NAVBAR ========== */
.navbar-gn {
  background: var(--gn-white);
  box-shadow: var(--shadow-subtle);
  padding: 1.25rem 0;
  transition: var(--transition-fast);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  transition: var(--transition-fast);
}

.navbar-logo {
  transition: var(--transition-fast);
}

.navbar-nav .nav-link {
  color: var(--gn-dark);
  font-weight: 500;
  font-size: 0.9375rem;
  margin: 0 1.25rem;
  padding: 0.5rem 0;
  position: relative;
  transition: var(--transition-fast);
  letter-spacing: 0.01em;
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gn-primary);
  transition: var(--transition-medium);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  width: 100%;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--gn-primary);
}

.btn-apply-now {
  padding: 10px 24px;
  font-size: 0.9375rem;
  border-radius: 4px;
}

.navbar-toggler {
  border: none;
  padding: 8px;
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* ========== HERO SECTION ========== */
.hero-section {
  position: relative;
  overflow: hidden;
  background: var(--gn-primary-dark);
}

.hero-slide {
  height: 700px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--gn-white);
  max-width: 900px;
  padding: 0 var(--spacing-md);
}

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 3rem;
  font-weight: 400;
  opacity: 0.9;
  line-height: 1.6;
  letter-spacing: 0.01em;
}

.btn-hero {
  background: var(--gn-white);
  color: var(--gn-primary);
  font-weight: 600;
  font-size: 1rem;
  padding: 16px 48px;
  border-radius: 4px;
  border: none;
  transition: var(--transition-medium);
  letter-spacing: 0.02em;
}

.btn-hero:hover {
  background: var(--gn-accent);
  color: var(--gn-white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-elevated);
}

.carousel-indicators button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin: 0 6px;
  border: none;
  background: rgba(255, 255, 255, 0.4);
  transition: var(--transition-fast);
}

.carousel-indicators button.active {
  background: var(--gn-white);
  width: 32px;
  border-radius: 5px;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}

/* ========== STATS SECTION ========== */
.stats-section {
  background: var(--gn-primary);
  padding: var(--spacing-lg) 0;
  margin-top: -60px;
  position: relative;
  z-index: 10;
}

.stat-card {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: var(--spacing-md) var(--spacing-md);
  border-radius: 4px;
  text-align: center;
  color: var(--gn-white);
  transition: var(--transition-slow);
}

.stat-card:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-4px);
}

.stat-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  opacity: 0.85;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.9375rem;
  font-weight: 500;
  opacity: 0.9;
  margin: 0;
  letter-spacing: 0.01em;
}

/* ========== SECTIONS ========== */
.section {
  padding: var(--spacing-xl) 0;
}

.section-header {
  margin-bottom: var(--spacing-lg);
}

.section-title {
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--gn-dark);
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gn-gray);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ========== WHY SECTION ========== */
.why-section {
  background: var(--gn-white);
}

.value-card {
  background: var(--gn-bg-light);
  padding: var(--spacing-md) var(--spacing-md);
  border-radius: 4px;
  transition: var(--transition-slow);
  height: 100%;
  border: 1px solid transparent;
}

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-elevated);
  border-color: var(--gn-primary);
  background: var(--gn-white);
}

.value-icon {
  font-size: 3rem;
  color: var(--gn-primary);
  margin-bottom: 1.25rem;
}

.value-card h4 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--gn-dark);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.value-card p {
  color: var(--gn-gray);
  line-height: 1.7;
  margin: 0;
  font-size: 1rem;
}

/* ========== JOIN SECTION ========== */
.join-section {
  background: var(--gn-bg-light);
  padding: var(--spacing-xl) 0;
}

.join-content {
  padding-right: var(--spacing-md);
}

.join-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gn-dark);
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.join-description {
  font-size: 1.125rem;
  color: var(--gn-gray);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.join-benefits {
  margin-bottom: 2rem;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 1rem;
  font-size: 1rem;
  color: var(--gn-dark);
}

.benefit-item i {
  color: var(--gn-primary);
  font-size: 1.25rem;
  margin-right: 1rem;
  margin-top: 0.125rem;
  flex-shrink: 0;
}

.join-image {
  padding-left: var(--spacing-md);
}

.join-image img {
  max-width: 100%;
  height: auto;
  opacity: 0.9;
}

/* ========== CTA SECTION ========== */
.cta-section {
  padding: var(--spacing-xl) 0;
  background: var(--gn-primary-dark);
}

.cta-box {
  background: var(--gn-primary);
  padding: var(--spacing-lg);
  border-radius: 4px;
}

.cta-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--gn-white);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.cta-text {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
  line-height: 1.7;
}

.btn-cta {
  background: var(--gn-accent);
  color: var(--gn-white);
  font-weight: 600;
  font-size: 1rem;
  padding: 16px 48px;
  border-radius: 4px;
  border: none;
  transition: var(--transition-medium);
  letter-spacing: 0.02em;
}

.btn-cta:hover {
  background: var(--gn-accent-light);
  color: var(--gn-white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-elevated);
}

/* ========== PAGE HEADER ========== */
.page-header {
  background: var(--gn-primary);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.page-title {
  font-size: 3rem;
  font-weight: 700;
  color: var(--gn-white);
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}

.page-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
  line-height: 1.6;
}

/* ========== FILTER BAR ========== */
.filter-bar {
  background: var(--gn-white);
  padding: var(--spacing-md);
  border-radius: 4px;
  box-shadow: var(--shadow-subtle);
  margin-bottom: var(--spacing-md);
  border: 1px solid #e9ecef;
}

.filter-label {
  font-weight: 600;
  color: var(--gn-dark);
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  display: block;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.form-control,
.form-select {
  border: 1px solid #dee2e6;
  border-radius: 4px;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  transition: var(--transition-fast);
  background: var(--gn-white);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--gn-primary);
  box-shadow: 0 0 0 0.2rem rgba(27, 67, 50, 0.1);
  outline: none;
}

.input-group-text {
  background: var(--gn-white);
  border: 1px solid #dee2e6;
  border-right: none;
  border-radius: 4px 0 0 4px;
  color: var(--gn-gray);
}

.input-group .form-control {
  border-left: none;
  border-radius: 0 4px 4px 0;
}

/* ========== RESULTS INFO ========== */
.results-info p {
  color: var(--gn-gray);
  font-size: 0.9375rem;
}

/* ========== JOB CARDS ========== */
.job-card {
  background: var(--gn-white);
  padding: var(--spacing-md);
  border-radius: 4px;
  box-shadow: var(--shadow-subtle);
  margin-bottom: 1.5rem;
  border: 1px solid #e9ecef;
  transition: var(--transition-slow);
}

.job-card:hover {
  box-shadow: var(--shadow-elevated);
  border-color: var(--gn-primary);
  transform: translateY(-4px);
}

.job-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.job-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}

.job-title a {
  color: var(--gn-dark);
  text-decoration: none;
  transition: var(--transition-fast);
}

.job-title a:hover {
  color: var(--gn-primary);
}

.badge-job-type {
  padding: 0.5rem 1rem;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-fulltime {
  background: var(--gn-primary);
  color: var(--gn-white);
}

.badge-parttime {
  background: #2c5f8d;
  color: var(--gn-white);
}

.badge-contract {
  background: #b8860b;
  color: var(--gn-white);
}

.badge-internship {
  background: #6c757d;
  color: var(--gn-white);
}

.job-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.job-meta-item {
  display: flex;
  align-items: center;
  font-size: 0.9375rem;
  color: var(--gn-gray);
}

.job-meta-item i {
  font-size: 1.125rem;
  margin-right: 0.5rem;
  color: var(--gn-primary);
}

.btn-apply {
  padding: 12px 32px;
  font-weight: 600;
}

/* ========== EMPTY STATE ========== */
.empty-state {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
}

.empty-state i {
  font-size: 4rem;
  color: var(--gn-light-gray);
  opacity: 0.5;
  margin-bottom: 1.5rem;
}

.empty-state h4 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--gn-dark);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.empty-state p {
  color: var(--gn-gray);
  font-size: 1.0625rem;
}

/* ========== FOOTER ========== */
.footer-gn {
  background: var(--gn-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-xl) 0 0;
}

.footer-logo {
  transition: var(--transition-fast);
}

.footer-logo:hover {
  opacity: 0.8;
}

.footer-tagline {
  font-size: 1rem;
  opacity: 0.85;
  margin-bottom: 1rem;
  line-height: 1.7;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gn-white);
  font-size: 1.125rem;
  transition: var(--transition-medium);
}

.social-link:hover {
  background: var(--gn-accent);
  color: var(--gn-white);
  transform: translateY(-3px);
}

.footer-heading {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--gn-white);
  margin-bottom: 1.5rem;
  letter-spacing: 0.01em;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition-fast);
  font-size: 0.9375rem;
}

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

.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.footer-contact i {
  font-size: 1.125rem;
  color: var(--gn-accent);
  margin-right: 0.875rem;
  width: 20px;
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-contact a:hover {
  color: var(--gn-accent);
}

.footer-bottom {
  margin-top: var(--spacing-lg);
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.875rem;
}

/* ========== BACK TO TOP ========== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--gn-primary);
  color: var(--gn-white);
  border: none;
  border-radius: 4px;
  font-size: 1.25rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-medium);
  box-shadow: var(--shadow-medium);
  z-index: 999;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--gn-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevated);
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.fade-in-up {
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 991px) {
  :root {
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
  }

  h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: 2rem;
  }

  .hero-title {
    font-size: 2.75rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .section-title {
    font-size: 2.25rem;
  }

  .cta-title,
  .join-title {
    font-size: 2rem;
  }

  .join-content,
  .join-image {
    padding-right: 0;
    padding-left: 0;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 3rem;
  }

  .hero-slide {
    height: 560px;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .section {
    padding: var(--spacing-lg) 0;
  }

  .stat-number {
    font-size: 2.5rem;
  }

  .job-meta {
    gap: 1rem;
  }

  .btn-apply {
    width: 100%;
  }

  .cta-box {
    padding: var(--spacing-md);
  }

  .navbar-nav .nav-link {
    margin: 0.5rem 0;
  }

  .btn-apply-now {
    width: 100%;
    margin-top: 1rem;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 1.875rem;
  }

  .section-title {
    font-size: 1.875rem;
  }

  .stat-card {
    margin-bottom: 1rem;
  }
}

/* ========== UTILITY CLASSES ========== */
.text-accent {
  color: var(--gn-accent);
}

.bg-primary-dark {
  background: var(--gn-primary-dark);
}

.bg-primary {
  background: var(--gn-primary);
}

.border-accent {
  border-color: var(--gn-accent);
}

/* Section Dividers */
.section-divider {
  height: 1px;
  background: #e9ecef;
  margin: var(--spacing-xl) 0;
}

.section-divider-dark {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: var(--spacing-xl) 0;
}