:root {
  --color-primary: #0369A1;
  --color-secondary: #0EA5E9;
  --color-accent: #22C55E;
  --color-neutral-dark: #0C4A6E;
  --color-neutral-light: #F0F9FF;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Source Sans 3', sans-serif;
  --sidebar-w: 240px;
  --max-content: 880px;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  color: var(--color-neutral-dark);
  background: #ffffff;
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-neutral-dark);
  line-height: 1.2;
  font-weight: 700;
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.15rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }

/* === Layout — hero-sidebar-nav === */
.layout { display: block; }

.sidebar {
  display: none;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: #ffffff;
  border-bottom: 1px solid rgba(12, 74, 110, 0.1);
}

.logo img { height: 72px; width: auto; display: block; }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid rgba(12, 74, 110, 0.15);
  border-radius: 8px;
  padding: 0.4rem;
  color: var(--color-neutral-dark);
  cursor: pointer;
}

main {
  padding: 1.5rem 1.25rem 3rem;
}

main > section {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 2.5rem 0;
}

/* === Hero === */
.hero {
  text-align: left;
}
.eyebrow {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 1rem;
}
.lede {
  font-size: 1.15rem;
  color: rgba(12, 74, 110, 0.85);
  max-width: 60ch;
  margin-bottom: 1.5rem;
}
.hero__img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 12px;
  margin-top: 2rem;
}

/* === Buttons === */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.85rem 1.5rem;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-neutral-dark); text-decoration: none; }
.btn--accent { background: var(--color-accent); color: #fff; }
.btn--accent:hover { background: #1ea855; text-decoration: none; }

/* === Prose sections === */
.prose { max-width: 720px; margin-left: auto; margin-right: auto; }
.prose p { font-size: 1.05rem; }
.section-sub {
  color: rgba(12, 74, 110, 0.75);
  font-size: 1.08rem;
  margin-bottom: 1.5rem;
}
.prose--with-img { max-width: var(--max-content); }
.prose--with-img .prose__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 12px;
  margin-top: 1.5rem;
}

/* === Grid sections / cards === */
.grid-section h2, .grid-section > .section-sub { text-align: left; }
.cards {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
  margin-top: 1.5rem;
}
.card {
  background: var(--color-neutral-light);
  border: 1px solid rgba(12, 74, 110, 0.08);
  border-radius: 12px;
  padding: 1.5rem;
  color: var(--color-neutral-dark);
  display: block;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.card__icon {
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}
.card h3 { margin-bottom: 0.5rem; color: var(--color-neutral-dark); }
.card p { margin-bottom: 0; }
.card-link { text-decoration: none; }
.card-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -20px rgba(3, 105, 161, 0.35);
  border-color: rgba(3, 105, 161, 0.3);
  text-decoration: none;
}

/* === Testimonial === */
.testimonial-section { text-align: center; }
.testimonial {
  max-width: 720px;
  margin: 1rem auto 0;
  padding: 2rem;
  background: var(--color-neutral-light);
  border-left: 4px solid var(--color-secondary);
  border-radius: 8px;
  font-style: italic;
  text-align: left;
}
.testimonial p { font-size: 1.1rem; margin-bottom: 1rem; }
.testimonial cite { font-style: normal; font-weight: 600; color: var(--color-primary); }

/* === CTA band === */
.cta-band {
  background: var(--color-primary);
  color: #fff;
  text-align: center;
  padding: 3rem 1.5rem;
  border-radius: 12px;
  max-width: var(--max-content);
  margin: 2.5rem auto;
}
.cta-band h2, .cta-band p { color: #fff; }
.cta-band--soft { background: var(--color-neutral-light); color: var(--color-neutral-dark); }
.cta-band--soft h2, .cta-band--soft p { color: var(--color-neutral-dark); }
.contact-line { max-width: 55ch; margin: 0 auto 1.25rem; }

/* === FAQ === */
.faq { margin-top: 1.5rem; }
.faq details {
  background: var(--color-neutral-light);
  border: 1px solid rgba(12, 74, 110, 0.08);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
}
.faq summary {
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-neutral-dark);
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq details[open] summary { margin-bottom: 0.75rem; color: var(--color-primary); }

/* === Contact form === */
.contact-form-section { max-width: 640px; margin: 0 auto; }
.contact-form {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}
.field { display: flex; flex-direction: column; gap: 0.35rem; }
.field label { font-weight: 600; font-family: var(--font-heading); font-size: 0.95rem; }
.field input, .field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid rgba(12, 74, 110, 0.2);
  border-radius: 8px;
  background: #fff;
  color: var(--color-neutral-dark);
}
.field input:focus, .field textarea:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 1px;
  border-color: var(--color-secondary);
}
.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: rgba(12, 74, 110, 0.85);
  flex-wrap: wrap;
}
.form-consent input { margin-top: 0.2rem; }

/* === Footer === */
.site-footer {
  background: var(--color-neutral-dark);
  color: var(--color-neutral-light);
  padding: 3rem 1.25rem 1.5rem;
  margin-top: 3rem;
}
.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
  max-width: 1080px;
  margin: 0 auto;
}
.site-footer a { color: var(--color-neutral-light); }
.site-footer nav { display: flex; flex-direction: column; gap: 0.4rem; }
.footer-brand { font-family: var(--font-heading); font-weight: 700; font-size: 1.1rem; margin-bottom: 0.4rem; }
.legal-links { margin-top: 0.5rem; font-size: 0.9rem; }
.copyright {
  text-align: center;
  font-size: 0.85rem;
  color: rgba(240, 249, 255, 0.7);
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(240, 249, 255, 0.12);
}

/* === Cookie banner === */
.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  display: none;
  z-index: 9999;
  background: var(--color-neutral-dark);
  color: var(--color-neutral-light);
  padding: 1.25rem;
  border-radius: 12px;
  box-shadow: 0 20px 50px -15px rgba(0,0,0,0.35);
  max-width: 640px;
}
.cookie-banner.is-visible { display: block; }
.cookie-banner p { margin: 0 0 0.9rem; font-size: 0.95rem; }
.cookie-banner__actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.cookie-banner button {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.55rem 1rem;
  border-radius: 6px;
  border: 1px solid rgba(240,249,255,0.3);
  background: transparent;
  color: var(--color-neutral-light);
  cursor: pointer;
}
.cookie-banner [data-cookie-accept] {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.cookie-banner__prefs {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(240,249,255,0.15);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.cookie-banner__prefs label { display: flex; gap: 0.5rem; align-items: center; font-size: 0.9rem; }
.cookie-banner__prefs [data-cookie-save] {
  align-self: flex-start;
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  margin-top: 0.3rem;
}

/* === Mobile nav open state === */
.sidebar.is-open {
  display: flex;
  position: fixed;
  inset: 0;
  z-index: 100;
  background: #fff;
  flex-direction: column;
  padding: 1.5rem;
}
.sidebar.is-open .nav-toggle {
  position: absolute;
  top: 1rem;
  right: 1rem;
}
.sidebar.is-open .sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}
.sidebar.is-open .sidebar__nav a {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-neutral-dark);
  padding: 0.5rem 0;
}

/* === Desktop (≥ 900px) === */
@media (min-width: 900px) {
  .topbar { display: none; }
  .layout {
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr;
    min-height: 100vh;
  }
  .sidebar {
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 1.75rem 1.5rem;
    background: var(--color-neutral-light);
    border-right: 1px solid rgba(12, 74, 110, 0.1);
  }
  .sidebar .nav-toggle { display: none; }
  .sidebar__nav {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-top: 2rem;
    flex: 1;
  }
  .sidebar__nav a {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-neutral-dark);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.98rem;
  }
  .sidebar__nav a:hover { background: rgba(3, 105, 161, 0.08); text-decoration: none; }
  .sidebar__nav a.is-current { background: var(--color-primary); color: #fff; }
  .sidebar__foot { font-size: 0.8rem; color: rgba(12, 74, 110, 0.6); margin: 0; }

  .logo img { height: 96px; width: auto; }

  main { padding: 3rem 3rem 4rem; }
  main > section { padding: 3rem 0; }

  .cards { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .cards--3 { grid-template-columns: repeat(3, 1fr); }

  .prose--with-img {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 3rem;
    align-items: center;
  }
  .prose--with-img .prose__img { margin-top: 0; }

  .footer-grid { grid-template-columns: 1.2fr 1fr 1.4fr; }
  .site-footer { padding: 4rem 3rem 2rem; }
}

@media (min-width: 1200px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  main > section.grid-section .cards--3 { grid-template-columns: repeat(3, 1fr); }
}