:root {
  --navy: #0A1E2F;
  --blue: #1C5F92;
  --blue-d: #0D3552;
  --blue-m: #1A5480;
  --blue-l: #EAF4FB;
  --red: #F90203;
  --white: #FFFFFF;
  --off-w: #F7FAFD;
  --text: #1E3A4F;
  --text-m: #3A5A72;
  --text-l: #6B8A9E;
  --border: #C8DBE8;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--off-w);
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

ul {
  list-style: none;
}

.container,
.section-inner,
.hero-wrap {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  background: rgba(10, 30, 47, 0.9);
  border-top: 4px solid var(--red);
  transition: background-color 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
  backdrop-filter: blur(12px);
}

.site-header.scrolled {
  background: rgba(9, 26, 43, 0.98);
  box-shadow: 0 14px 40px rgba(10, 30, 47, 0.22);
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 22px;
  color: var(--white);
  letter-spacing: 0.02em;
  text-decoration: none;
}

.logo img {
  display: block;
  max-height: 44px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 14px;
  color: var(--white);
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--blue);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 22px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--white);
  border-radius: 2px;
}

.hero-section {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 80px 0;
  background-color: var(--navy);
  background-image:
    linear-gradient(rgba(2, 12, 24, 0.45), rgba(2, 12, 24, 0.45)),
    linear-gradient(135deg, rgba(255,255,255,0.05) 25%, transparent 25%, transparent 50%, rgba(255,255,255,0.05) 50%, rgba(255,255,255,0.05) 75%, transparent 75%, transparent);
  background-size: 20px 20px;
}

.hero-content {
  text-align: center;
  max-width: 820px;
}

.hero-content h1 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 52px;
  line-height: 1.05;
  color: var(--white);
  text-shadow: 0 18px 40px rgba(0, 0, 0, 0.3);
  margin-bottom: 24px;
}

.hero-copy {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.88);
  max-width: 760px;
  margin: 0 auto 32px;
  text-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap: 16px;
}

.hero-stat {
  background: var(--blue-d);
  border: 1px solid var(--blue);
  border-radius: 8px;
  padding: 20px;
}

.hero-stat-value {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 36px;
  color: var(--white);
  margin-bottom: 8px;
}

.hero-stat-label {
  display: block;
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 12px;
  color: #8FA8BB;
}

section {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

section.visible {
  opacity: 1;
  transform: translateY(0);
}

.section-inner {
  padding: 80px 0;
}

.section-inner h2,
.section-inner .aurianoa-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 36px;
  line-height: 1.1;
  margin-bottom: 16px;
}

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

.section-subtitle,
.aurianoa-copy,
.master-data-copy,
.challenge-card p,
.section-copy p,
.feature-card p,
.service-card p,
.academy-card p,
.middle-east-grid p,
.contact-details p {
  color: var(--text-m);
}

.section-subtitle {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 16px;
  font-style: italic;
  margin-bottom: 20px;
}

.services-section .section-subtitle,
.aurianoa-section .section-subtitle,
.master-data-section .section-subtitle,
.middle-east-section .section-subtitle,
.challenge-section .section-subtitle {
  color: rgba(255, 255, 255, 0.78);
}

.about-section,
.aurianoa-section,
.academy-section,
.contact-section {
  background: var(--off-w);
}

.services-section,
.challenge-section,
.master-data-section,
.middle-east-section {
  background: var(--navy);
}

.about-section h2,
.services-section h2,
.academy-section h2,
.contact-section h2,
.master-data-section h2,
.middle-east-section h2 {
  color: var(--text);
}

.aurianoa-section h2,
.challenge-section h2,
.services-section h2,
.master-data-section h2,
.middle-east-section h2 {
  color: var(--white);
}

.section-copy {
  max-width: 720px;
  margin-bottom: 32px;
}

.section-lead {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 18px;
  margin-bottom: 20px;
  color: var(--text);
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.badge {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  color: var(--text);
}

.service-grid,
.challenge-grid,
.feature-grid,
.master-data-grid,
.academy-grid,
.middle-east-grid {
  display: grid;
  gap: 24px;
}

.service-grid,
.challenge-grid,
.feature-grid,
.master-data-grid,
.academy-grid,
.middle-east-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.service-card,
.feature-card,
.master-data-card,
.academy-card {
  border-radius: 8px;
  padding: 28px;
  box-shadow: 0 2px 12px rgba(10, 30, 47, 0.08);
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
}

.service-card--blue {
  border-left: 5px solid var(--blue);
}

.service-card--midblue {
  border-left: 5px solid var(--blue-m);
}

.service-card--red {
  border-left: 5px solid var(--red);
}

.service-card--green {
  border-left: 5px solid #1A6E3A;
}

.service-card h3,
.feature-card h3,
.master-data-card h3,
.academy-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 22px;
  margin-bottom: 16px;
  color: var(--text);
}

.feature-card,
.master-data-card,
.academy-card {
  background: var(--blue-d);
  border: 1px solid var(--blue);
}

.feature-card h3,
.master-data-card h3,
.academy-card h3 {
  color: var(--white);
}

.feature-card p,
.master-data-card p,
.academy-card li {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 15px;
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
}

.academy-card ul {
  padding-left: 18px;
  margin-bottom: 22px;
}

.academy-card li {
  margin-bottom: 12px;
}

.aurianoa-title {
  font-size: 52px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.aurianoa-copy,
.master-data-copy {
  max-width: 760px;
  margin-bottom: 32px;
  color: rgba(255,255,255,0.84);
}

.section-cta {
  margin-top: 24px;
}

.master-data-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.master-data-card {
  background: var(--blue-d);
}

.master-data-card h3,
.master-data-card p {
  color: var(--white);
}

.challenge-card {
  background: var(--blue-d);
  border-left: 5px solid var(--red);
  border-radius: 8px;
  padding: 26px;
}

.challenge-stat {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 40px;
  color: var(--white);
  margin-bottom: 10px;
}

.challenge-label {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 11px;
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 16px;
}

.challenge-card p:last-child,
.challenge-card p:nth-child(3) {
  color: #8FA8BB;
  font-size: 14px;
  line-height: 1.75;
}

.middle-east-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.middle-east-block h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--white);
}

.middle-east-block p,
.middle-east-block li {
  color: rgba(255,255,255,0.83);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  line-height: 1.75;
}

.contact-details {
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
  color: var(--text);
}

.contact-details a {
  color: var(--blue);
}

.contact-form {
  max-width: 720px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

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

.form-group label {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 13px;
  color: var(--text);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--white);
  color: var(--text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(28,95,146,0.12);
}

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

.form-message {
  margin-bottom: 24px;
  padding: 18px 20px;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
}

.form-message--success {
  background: rgba(28,95,146,0.1);
  border: 1px solid rgba(28,95,146,0.2);
  color: var(--text);
}

.form-message--error {
  background: rgba(249,2,3,0.1);
  border: 1px solid rgba(249,2,3,0.3);
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 4px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.5px;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary:hover {
  background: var(--blue-d);
}

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

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

.btn-accent {
  background: var(--red);
  color: var(--white);
  border: 2px solid transparent;
}

.btn-accent:hover {
  background: #C40000;
}

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

.btn-outline:hover {
  background: var(--blue);
  color: var(--white);
}

.btn-submit {
  width: 100%;
}

.site-footer {
  padding: 32px 0;
  background: var(--blue-d);
}

.footer-inner {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding: 0 24px;
}

.site-footer p {
  color: var(--white);
  font-size: 14px;
  text-align: center;
}

@media (max-width: 1024px) {
  .hero-content h1 {
    font-size: 46px;
  }

  .section-inner {
    padding: 64px 0;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 30, 47, 0.98);
    flex-direction: column;
    gap: 0;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.3s ease;
    border-top: 1px solid rgba(249,2,3,0.2);
  }

  .nav-links.open {
    max-height: 320px;
    padding: 16px 24px 24px;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 12px 0;
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .main-nav {
    position: relative;
  }

  .hero-content h1 {
    font-size: 36px;
  }

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

  .service-grid,
  .feature-grid,
  .master-data-grid,
  .academy-grid,
  .middle-east-grid,
  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 28px;
  }

  .section-inner {
    padding: 48px 0;
  }

  .hero-actions {
    gap: 12px;
  }
}