:root {
  --nav-accent: #5b7fe8;
  --nav-accent-dk: #4a6dd4;
  --nav-tint: #eef1f8;
  --nav-ink: #1a1d23;
  --nav-ink-soft: #4a5568;
  --nav-ink-faint: #8492a6;
  --nav-rule: #dde1ea;
  --nav-rule-strong: #c7cddb;
  --nav-surface: #ffffff;
  --nav-surface-2: #f7f8fa;
}

/* ============ NAV BAR — same four links, same order, every page ============ */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--nav-surface);
  border-bottom: 1px solid var(--nav-rule);
  font-family: "Inter", sans-serif;
}

.site-nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 22px;
}

.site-nav-brand {
  font-size: 13px;
  font-weight: 700;
  color: var(--nav-ink);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.site-nav-brand-short {
  display: none;
}

.site-nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.site-nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--nav-ink-faint);
  text-decoration: none;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}

.site-nav-link:hover {
  color: var(--nav-ink);
}

.site-nav-link.is-current {
  color: var(--nav-accent);
  font-weight: 700;
  border-bottom-color: var(--nav-accent);
}

.site-nav-link-icon {
  display: none;
}

.site-nav-link-label--short {
  display: none;
}

.site-nav-contact {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--nav-ink-faint);
  background: transparent;
  border: 1px solid var(--nav-rule);
  padding: 7px 13px;
  border-radius: 7px;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  flex-shrink: 0;
}

.site-nav-contact:hover {
  color: var(--nav-ink);
  border-color: var(--nav-rule-strong);
}

.site-nav-contact:focus-visible,
.site-nav-link:focus-visible,
.site-nav-brand:focus-visible {
  outline: 2px solid var(--nav-accent);
  outline-offset: 2px;
}

/* ============ MOBILE — always-visible compact bar, no hamburger ============ */

@media (max-width: 700px) {
  .site-nav-inner {
    padding: 8px 10px;
    gap: 4px;
  }

  .site-nav-brand-full {
    display: none;
  }

  .site-nav-brand-short {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: var(--nav-accent);
    color: #fff;
    font-size: 10px;
    font-weight: 800;
  }

  .site-nav-links {
    margin-left: auto;
    gap: 4px;
  }

  .site-nav-link {
    flex-direction: column;
    justify-content: center;
    gap: 2px;
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 9px;
    border-bottom: none;
    font-size: 6.8px;
    font-weight: 700;
  }

  .site-nav-link.is-current {
    background: var(--nav-tint);
    border-bottom: none;
  }

  .site-nav-link-icon {
    display: block;
    font-size: 14px;
    line-height: 1;
  }

  .site-nav-link-label--full {
    display: none;
  }

  .site-nav-link-label--short {
    display: block;
  }

  .site-nav-contact {
    width: 44px;
    height: 44px;
    padding: 0;
    justify-content: center;
    border-radius: 9px;
  }

  .site-nav-contact-label {
    display: none;
  }
}

/* ============ CONTACT MODAL — shared across every page ============ */

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
}

.modal-content {
  background: var(--nav-surface);
  width: 90%;
  max-width: 500px;
  margin: 5% auto;
  padding: 32px;
  border-radius: 16px;
  font-family: "Inter", sans-serif;
}

.modal-content h2 {
  color: var(--nav-ink);
}

.close {
  float: right;
  font-size: 28px;
  cursor: pointer;
  color: var(--nav-ink-soft);
}

.close:hover {
  color: var(--nav-ink);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 14px;
  color: var(--nav-ink-soft);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 2px solid var(--nav-rule);
  border-radius: 10px;
  font-family: inherit;
  font-size: 15px;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--nav-accent);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.btn-primary,
.btn-secondary {
  padding: 12px 18px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
}

.btn-primary {
  background: var(--nav-accent);
  color: #fff;
  transition: background 0.2s ease;
}

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

.btn-secondary {
  background: #ececec;
  color: var(--nav-ink);
}

.btn-secondary:hover {
  background: #ddd;
}

@media (max-width: 700px) {
  .modal-content {
    width: 95%;
    margin: 10px auto;
    padding: 20px;
    max-height: 90vh;
    overflow-y: auto;
  }
}