:root {
  --primary: #1a2a4a;
  --primary-light: #2c3e6b;
  --accent: #e8871a;
  --accent-hover: #d47a0e;
  --bg: #f4f5f7;
  --text-dark: #1a1a2e;
  --text-light: #6b7280;
  --border: #d1d5db;
  --white: #ffffff;
  --shadow: 0 2px 8px rgba(26, 42, 74, 0.08);
  --radius: 8px;
  --max-width: 1100px;
  --nav-height: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--text-dark);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* === NAVBAR === */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--primary);
  color: var(--white);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

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

.navbar-logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.navbar-logo span {
  color: var(--accent);
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.navbar-links a {
  font-size: 0.925rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: color 0.2s;
  padding: 4px 0;
}

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--white);
}

.navbar-links a.active {
  border-bottom: 2px solid var(--accent);
  padding-bottom: 0;
}

.navbar-cta {
  background: var(--accent);
  color: var(--white);
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.875rem;
  transition: background 0.2s;
}

.navbar-cta:hover {
  background: var(--accent-hover);
  color: var(--white);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

/* === HERO === */
.hero {
  background: var(--primary);
  color: var(--white);
  padding: 80px 0 72px;
  text-align: center;
}

.page-hero {
  background: var(--primary);
  color: var(--white);
  padding: 80px 0 72px;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  line-height: 1.15;
}

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

.hero p {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.hero .btn-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  white-space: nowrap;
}

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

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

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

/* === SECTION COMMON === */
.section {
  padding: 64px 0;
}

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

.section-hero {
  background: var(--primary);
  color: var(--white);
  text-align: center;
  padding: 48px 0;
}

.section-hero h2 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.section-hero p {
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
  color: var(--primary);
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 40px;
  font-size: 1rem;
}

/* === VALUE PROPS === */
.value-props {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  padding: 40px 0;
}

.value-prop {
  text-align: center;
  padding: 24px 16px;
}

.value-prop .icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.value-prop h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--primary);
}

.value-prop p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.5;
}

/* === SERVICES GRID === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s, transform 0.2s;
}

.service-card:hover {
  box-shadow: 0 4px 16px rgba(26, 42, 74, 0.12);
  transform: translateY(-2px);
}

.service-card .icon {
  font-size: 1.75rem;
  margin-bottom: 12px;
  display: block;
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--primary);
}

.service-card p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* === ABOUT STRIP === */
.about-strip {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.about-strip .about-text {
  flex: 1 1 300px;
}

.about-strip .about-text h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.about-strip .about-text p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.7;
}

.about-strip .about-visual {
  flex: 0 0 200px;
  text-align: center;
}

.about-strip .about-visual .icon {
  font-size: 4rem;
}

/* === CREDENTIALS === */
.credentials {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
  padding: 32px 0;
}

.credential {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-light);
}

.credential .icon {
  font-size: 1.25rem;
}

.credential strong {
  color: var(--text-dark);
  font-weight: 600;
}

/* === CTA STRIP === */
.cta-strip {
  background: var(--primary);
  color: var(--white);
  text-align: center;
  padding: 48px 0;
}

.cta-strip h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.cta-strip p {
  color: rgba(255,255,255,0.75);
  margin-bottom: 24px;
}

.cta-strip .btn {
  margin: 0 auto;
}

/* === FOOTER === */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,0.8);
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 32px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
  font-weight: 600;
}

.footer-col p,
.footer-col a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  display: block;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 16px;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

/* === MOBILE === */
@media (max-width: 768px) {
  .navbar-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--primary);
    padding: 16px 24px;
    gap: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  }

  .navbar-links.open {
    display: flex;
  }

  .navbar-cta {
    order: -1;
    margin-right: 8px;
  }

  .hamburger {
    display: block;
  }

  .hero {
    padding: 56px 0 48px;
  }

  .page-hero {
    padding: 56px 0 48px;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .page-hero h1 {
    font-size: 1.75rem;
  }

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

  .section {
    padding: 48px 0;
  }

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

  .about-strip {
    flex-direction: column;
    text-align: center;
  }

  .about-strip .about-visual {
    flex: 0 0 auto;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .footer-col:last-child {
    grid-column: 1 / -1;
  }
}

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

  .footer-col:last-child {
    grid-column: auto;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .value-props {
    grid-template-columns: 1fr;
  }
}