:root {
  --navy: #0a1628;
  --blue-dark: #0f2847;
  --blue-mid: #1a4480;
  --blue-accent: #2563eb;
  --white: #ffffff;
  --gray-100: #f8fafc;
  --gray-200: #e2e8f0;
  --gray-600: #475569;
  --gray-800: #1e293b;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  font-size: 17px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Montserrat", "Segoe UI", sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--navy);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: min(100% - 48px, var(--max-width));
  margin: 0 auto;
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo img {
  height: 36px;
  width: auto;
}

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

.nav-links a {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #2054a6;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  color: #1a4480;
  border-bottom-color: #2054a6;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding: 120px 24px 80px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 22, 40, 0.92) 0%,
    rgba(15, 40, 71, 0.85) 50%,
    rgba(10, 22, 40, 0.88) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
}

.hero h1 {
  font-size: clamp(42px, 6vw, 72px);
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}

.hero h1 span {
  color: var(--blue-accent);
}

.hero-subtitle {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 680px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--blue-accent);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 16px 32px;
  border-radius: 0;
  transition: background 0.2s ease;
}

.hero-cta:hover {
  background: #1d4ed8;
}

.hero-stat {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hero-stat strong {
  font-size: clamp(48px, 8vw, 80px);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}

.hero-stat span {
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}

/* ===== TESTIMONIAL BANNER ===== */
.testimonial-banner {
  background: var(--navy);
  padding: 60px 24px;
  text-align: center;
}

.testimonial-banner blockquote {
  max-width: 900px;
  margin: 0 auto 20px;
  font-size: 18px;
  font-style: italic;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.9;
}

.testimonial-banner cite {
  font-size: 14px;
  font-style: normal;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.06em;
}

/* ===== SECTIONS ===== */
.section {
  padding: 100px 24px;
}

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

.section.dark h2,
.section.dark h3,
.section.dark p {
  color: var(--white);
}

.section.alt {
  background: var(--gray-100);
}

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

.section-header h2 {
  font-size: clamp(28px, 4vw, 42px);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 18px;
  color: var(--gray-600);
  max-width: 700px;
  margin: 0 auto;
}

.section.dark .section-header p {
  color: rgba(255, 255, 255, 0.7);
}

/* ===== GRID LAYOUTS ===== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 48px;
  align-items: center;
}

/* ===== CARDS ===== */
.card {
  background: var(--white);
  padding: 40px 32px;
  border: 1px solid var(--gray-200);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.card:hover {
  box-shadow: 0 20px 60px rgba(10, 22, 40, 0.1);
  transform: translateY(-4px);
}

.card h4 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--blue-mid);
  margin-bottom: 16px;
}

.card p {
  color: var(--gray-600);
  margin: 0;
}

/* ===== FOCUS BLOCKS ===== */
.focus-blocks {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.focus-block {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 20px 32px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  transition: background 0.2s ease;
}

.focus-block:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* ===== SPLIT CONTENT ===== */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.split-text h2 {
  font-size: clamp(26px, 3.5vw, 38px);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 24px;
}

.split-text p {
  color: var(--gray-600);
  margin-bottom: 20px;
}

.split-image {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
}

.split-image img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 12px;
}

/* ===== LIST ===== */
.list {
  list-style: none;
  display: grid;
  gap: 16px;
}

.list li {
  padding-left: 24px;
  position: relative;
  color: var(--gray-600);
}

.list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background: var(--blue-accent);
}

/* ===== STATS ROW ===== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  text-align: center;
  padding: 60px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 60px;
}

.stats-row .stat strong {
  display: block;
  font-size: 42px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.stats-row .stat span {
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== QUOTE ===== */
.quote-box {
  background: var(--gray-100);
  padding: 40px;
  border-left: 4px solid var(--blue-accent);
}

.quote-box p {
  font-size: 18px;
  font-style: italic;
  color: var(--gray-800);
  margin-bottom: 16px;
}

.quote-box cite {
  font-size: 14px;
  font-style: normal;
  color: var(--gray-600);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--navy);
  padding: 60px 24px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
}

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

.footer-logo img {
  height: 28px;
  opacity: 0.8;
}

.footer-links {
  display: flex;
  gap: 32px;
}

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

.footer-copy {
  width: 100%;
  text-align: center;
  padding-top: 40px;
  margin-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
}

/* ===== PAGE HEADER (inner pages) ===== */
.page-header {
  position: relative;
  padding: 180px 24px 100px;
  background-size: cover;
  background-position: center;
  text-align: center;
}

.page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 22, 40, 0.9),
    rgba(15, 40, 71, 0.85)
  );
}

.page-header-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.page-header h1 {
  font-size: clamp(32px, 5vw, 52px);
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.page-header p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== CONTACT BOX ===== */
.contact-box {
  background: var(--navy);
  padding: 48px;
  text-align: center;
}

.contact-box h3 {
  font-size: 24px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--white);
  margin-bottom: 16px;
}

.contact-box p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 24px;
}

.contact-box a.hero-cta {
  display: inline-flex;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

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

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 140px 24px 80px;
  }

  .page-header {
    padding: 140px 24px 60px;
  }
}