:root {
  --primary: #1f4fd8;
  --accent: #b91c1c; /* hero title red */
  --text: #0f172a;
  --muted: #475569;
  --bg: #ffffff;
  --light: #f8fafc;
  --border: #e2e8f0;
  --max-width: 1120px;
}

/* RESET */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* TYPOGRAPHY */
h1, h2, h3 {
  font-family: Georgia, "Times New Roman", serif;
}

h2 {
  font-size: 1.9rem;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

p {
  margin-top: 0;
}

/* HEADER / NAV */
header {
  border-bottom: 1px solid var(--border);
  background: #ffffff;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav strong {
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

.nav a {
  margin-left: 2rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
}

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

.nav-cta {
  color: var(--primary);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.75rem;
  cursor: pointer;
}

/* LAYOUT */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 6rem 1.25rem;
}

.section {
  margin-bottom: 5rem;
}

/* HERO */
.hero {
  background: linear-gradient(180deg, var(--light), #ffffff);
}

.hero h1 {
  font-size: clamp(2.5rem, 4vw, 3.25rem);
  line-height: 1.15;
  max-width: 820px;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--accent);
}

.hero p {
  font-size: 1.15rem;
  max-width: 720px;
  color: var(--muted);
}

/* BUTTONS */
.buttons {
  margin-top: 2.75rem;
}

.button {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  margin-right: 1rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.15s ease-in-out;
}

.primary {
  background: var(--primary);
  color: #ffffff;
}

.primary:hover {
  transform: translateY(-1px);
  opacity: 0.95;
}

.secondary {
  border: 1px solid var(--border);
  color: var(--text);
  background: #ffffff;
}

.secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* GRID / CARDS */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
}

.card {
  padding: 2.75rem 2.25rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #ffffff;
}

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

/* TESTIMONIALS */
.testimonial-name {
  font-weight: 600;
  margin-top: 1rem;
}

.testimonial-role {
  font-size: 0.9rem;
  color: var(--muted);
}

/* CTA ROW */
.cta-row {
  background: #0b1120;
  color: #e5e7eb;
}

.cta-row-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.cta-row-inner p {
  color: #cbd5f5;
}

.cta-row .button {
  margin-right: 0;
}

/* FORM */
.form-field {
  margin-bottom: 1rem;
}

.form-field label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 500;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
}

/* FOOTER */
footer {
  background: var(--light);
  border-top: 1px solid var(--border);
}

footer .container {
  padding: 3rem 1.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}

/* MOBILE */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem 1.25rem;
    gap: 1.25rem;
    display: none;
  }

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

  .nav a {
    margin-left: 0;
  }

  .container {
    padding: 4rem 1.25rem;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .button {
    width: 100%;
    text-align: center;
  }

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

  .cta-row-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}