:root {
  --bg: #f7f7f8;
  --surface: #ffffff;
  --text: #101214;
  --muted: #5f6b7a;
  --primary: #1b3a57;
  --primary-dark: #12283d;
  --accent: #dfe7f2;
  --border: #e5e8ec;
  --shadow: 0 12px 40px rgba(16, 18, 20, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --max-width: 1180px;
  --transition: 220ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

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

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

.container {
  width: min(100% - 2.5rem, var(--max-width));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--primary);
  color: white;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 999;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

header {
  position: sticky;
  top: 0;
  background: rgba(247, 247, 248, 0.9);
  backdrop-filter: blur(10px);
  z-index: 100;
  border-bottom: 1px solid var(--border);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.brand {
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--text);
  transition: color var(--transition);
}

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

.nav-cta {
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-weight: 500;
  transition: transform var(--transition), background var(--transition);
}

.nav-cta:hover,
.nav-cta:focus {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 0;
  min-width: 260px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  padding: 0.5rem;
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}

.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu,
.dropdown.open .dropdown-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.dropdown-menu a {
  display: block;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text);
}

.dropdown-menu a:hover,
.dropdown-menu a:focus {
  background: var(--accent);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 0;
  border-radius: 999px;
  transition: transform var(--transition), opacity var(--transition);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem 0 1.5rem;
}

.mobile-menu ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mobile-menu .dropdown-menu {
  position: static;
  opacity: 1;
  pointer-events: auto;
  transform: none;
  box-shadow: none;
  border: none;
  padding-left: 0.75rem;
}

.hero {
  padding: 4.5rem 0 3rem;
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.1;
  color: var(--primary);
}

.hero p {
  font-size: 1.05rem;
  color: var(--muted);
  margin-top: 1rem;
}

.hero .highlight {
  background: var(--surface);
  border-left: 4px solid var(--primary);
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  margin-top: 1.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  font-weight: 500;
  box-shadow: var(--shadow);
  transition: transform var(--transition), background var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.4rem;
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 999px;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}

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

.section {
  padding: 3.5rem 0;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.section-subtitle {
  color: var(--muted);
  max-width: 720px;
}

.card-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.75rem;
  border: 1px solid var(--border);
  box-shadow: 0 8px 28px rgba(16, 18, 20, 0.06);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.card h3 {
  margin-bottom: 0.75rem;
  color: var(--primary);
}

.card p {
  color: var(--muted);
}

.steps {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.step {
  display: flex;
  gap: 1rem;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--border);
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--primary);
  display: grid;
  place-items: center;
  font-weight: 600;
}

.cta-section {
  background: var(--surface);
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cta-box {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
  background: var(--accent);
  padding: 2rem;
  border-radius: var(--radius);
}

.cta-box p {
  color: var(--muted);
}

footer {
  padding: 3rem 0;
  background: #f0f2f5;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  gap: 2rem;
}

.footer-grid h4 {
  color: var(--primary);
  margin-bottom: 0.6rem;
}

.footer-grid p,
.footer-grid a {
  color: var(--muted);
  font-size: 0.95rem;
}

.form {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.form label {
  font-size: 0.9rem;
  color: var(--muted);
}

.form input,
.form textarea,
.form select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-family: inherit;
  font-size: 0.95rem;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 500;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

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

@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }

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

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

  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .cta-box {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .card-grid.three {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 960px) {
  .nav-links {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
    flex-direction: column;
  }

  .mobile-menu {
    display: none;
  }

  .mobile-menu.open {
    display: flex;
  }
}

@media (max-width: 600px) {
  .hero {
    padding-top: 3rem;
  }

  .cta-box {
    padding: 1.5rem;
  }
}
a.nav-cta {
  color: #ffffff !important;
}