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

:root {
  --accent: #009EEE;
  --accent-dark: #0088cc;
  --text: #111827;
  --muted: #6b7280;
  --bg-alt: #f9fafb;
  --border: #e5e7eb;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  line-height: 1.6;
  font-size: 1rem;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ── Nav ── */

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  display: block;
  height: 32px;
  width: auto;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}

nav ul a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
}

nav ul a:hover {
  color: var(--text);
  text-decoration: none;
}

/* ── Sections ── */

section {
  padding: 5rem 2rem;
  max-width: 860px;
  margin: 0 auto;
}

section.alt {
  max-width: 100%;
  background: var(--bg-alt);
  padding: 5rem 2rem;
}

section.alt > .inner {
  max-width: 860px;
  margin: 0 auto;
}

/* ── Hero ── */

#hero {
  padding-top: 7rem;
  padding-bottom: 7rem;
}

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

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

.lead {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 1.75rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.15s;
}

.btn:hover {
  background: var(--accent-dark);
  text-decoration: none;
}

/* ── Services ── */

h2 {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-sub {
  color: var(--muted);
  margin-bottom: 3rem;
  max-width: 520px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.75rem;
}

.service-icon {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ── About ── */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 620px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

.about-aside {
  background: var(--bg-alt);
  border-radius: 8px;
  padding: 1.5rem;
  font-size: 0.9rem;
}

.about-aside strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.about-aside span {
  color: var(--muted);
  font-size: 0.85rem;
}

.about-body p {
  margin-bottom: 1.1rem;
  color: #374151;
  line-height: 1.75;
}

/* ── Contact ── */

#contact {
  text-align: center;
}

#contact h2 {
  margin-bottom: 0.75rem;
}

#contact .section-sub {
  margin: 0 auto 2.5rem;
}

.contact-email {
  display: inline-block;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--accent);
  border: 1.5px solid var(--accent);
  border-radius: 6px;
  padding: 0.75rem 1.75rem;
  transition: background 0.15s, color 0.15s;
}

.contact-email:hover {
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}

/* ── Footer ── */

footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 2rem;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ── Mobile ── */

@media (max-width: 600px) {
  nav {
    padding: 0.75rem 1.25rem;
    flex-direction: column;
    align-items: flex-start;
    height: auto;
    gap: 0.75rem;
  }

  nav ul {
    gap: 1.25rem;
  }

  section {
    padding: 3rem 1.25rem;
  }

  section.alt {
    padding: 3rem 1.25rem;
  }

  #hero {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }

  .lead {
    font-size: 1.05rem;
  }

  .btn {
    display: block;
    text-align: center;
  }

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

  .contact-email {
    display: block;
    word-break: break-all;
    text-align: center;
  }
}