:root {
  --bg: #f4f6f8;
  --bg-accent: #e8ecf1;
  --surface: #ffffff;
  --text: #1a2332;
  --text-muted: #5a6578;
  --accent: #1e3a5f;
  --accent-light: #2d5080;
  --border: rgba(26, 35, 50, 0.08);
  --shadow: 0 24px 48px rgba(26, 35, 50, 0.07);
  --radius: 16px;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}

.container {
  width: min(1100px, calc(100% - 3rem));
  margin-inline: auto;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(244, 246, 248, 0.85);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-mark {
  display: block;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.95rem;
}

.nav a {
  color: var(--text-muted);
  transition: color 0.15s ease;
}

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

.nav-cta {
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff !important;
}

.nav-cta:hover {
  background: var(--accent-light);
}

.hero {
  padding: 6rem 0 5rem;
  background:
    radial-gradient(circle at 80% 20%, rgba(30, 58, 95, 0.09), transparent 45%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-accent) 100%);
}

.hero-inner {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-light);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 400;
}

h1 em {
  font-style: italic;
  color: var(--accent);
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
}

h3 {
  font-size: 1.2rem;
}

.hero-lead {
  margin: 1.5rem 0 0;
  max-width: 560px;
  color: var(--text-muted);
  font-size: 1.15rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

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

.btn-secondary {
  background: var(--surface);
  border: 1px solid var(--border);
}

.section-heading {
  margin-bottom: 2.5rem;
}

.section-lead {
  margin: 1rem 0 0;
  max-width: 620px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.services {
  padding: 5rem 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.card {
  padding: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card p {
  margin: 0.75rem 0 0;
  color: var(--text-muted);
}

.about {
  padding: 5rem 0;
  background: var(--surface);
  border-block: 1px solid var(--border);
}

.about-inner {
  max-width: 680px;
}

.about-inner p {
  margin: 0 0 1rem;
  color: var(--text-muted);
}

.contact {
  padding: 5rem 0 6rem;
}

.contact-inner {
  padding: 3rem;
  text-align: center;
  background: var(--accent);
  color: #fff;
  border-radius: calc(var(--radius) + 4px);
}

.contact-inner h2 {
  color: #fff;
}

.contact-inner p {
  margin: 1rem auto 1.75rem;
  max-width: 540px;
  color: rgba(255, 255, 255, 0.82);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
}

.contact .btn-on-dark {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: #fff;
}

.contact .btn-on-dark:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}

.contact .btn-primary {
  background: #fff;
  color: var(--accent);
}

.contact .btn-primary:hover {
  background: var(--bg);
}

.site-footer {
  padding: 1.5rem 0 2rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .nav a:not(.nav-cta) {
    display: none;
  }

  .hero {
    padding-top: 4rem;
  }

  .contact-inner {
    padding: 2rem 1.5rem;
  }
}