/* Kinzer Partners — Shared Stylesheet
   Covers: reset, design tokens, nav, footer, buttons, focus.
   Page-specific styles remain inline per-page. */

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

/* ── Design Tokens ── */
:root {
  --blue:       #1da1d9;
  --blue-dark:  #1585b5;
  --blue-line:  rgba(29,161,217,0.25);
  --navy:       #ffffff;
  --navy-mid:   #f0f4f8;
  --text:       #1a2638;
  --light-line: rgba(0,0,0,0.1);
}


/* ── Base ── */
html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  min-height: 100vh;
  background: var(--navy);
  color: var(--text);
  font-family: 'Barlow', sans-serif;
  font-weight: 300;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

/* ── Nav ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 5%;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--light-line);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] nav {
  background: rgba(26,31,46,0.95);
}

.nav-logo img {
  height: 38px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 1.75rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #1a2638;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.25s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--blue); }

[data-theme="dark"] .nav-links a {
  color: #e8ecf1;
}

.nav-contact {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue);
  text-decoration: none;
  font-weight: 500;
  border: 1px solid var(--blue);
  padding: 0.55rem 1.4rem;
  border-radius: 2px;
  transition: background 0.25s, color 0.25s;
}

.nav-contact:hover,
.nav-contact.active { background: var(--blue); color: #fff; }


/* ── Dropdowns ── */
.nav-links li { position: relative; }

.has-dropdown > a::after {
  content: '';
  display: inline-block;
  width: 0; height: 0;
  border-left: 3px solid transparent;
  border-right: 3px solid transparent;
  border-top: 4px solid currentColor;
  margin-left: 0.4rem;
  vertical-align: middle;
  opacity: 0.45;
  transition: opacity 0.2s, transform 0.2s;
}
.has-dropdown:hover > a::after { opacity: 1; transform: rotate(-180deg); }

.nav-dropdown {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  background: #fff;
  border: 1px solid var(--light-line);
  border-top: 2px solid var(--blue);
  min-width: 220px;
  box-shadow: 0 10px 32px rgba(0,0,0,0.10);
  z-index: 200;
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s, background-color 0.3s ease, border-color 0.3s ease;
  /* transparent top padding bridges any sub-pixel gap */
  padding-top: 2px;
}

[data-theme="dark"] .nav-dropdown {
  background: #2a3142;
  box-shadow: 0 10px 32px rgba(0,0,0,0.4);
}

.has-dropdown:hover .nav-dropdown,
.has-dropdown:focus-within .nav-dropdown {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown a {
  display: block;
  padding: 0.7rem 1.25rem;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #1a2638;
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid var(--light-line);
  transition: background 0.15s, color 0.15s, border-color 0.3s ease;
  white-space: nowrap;
}
.nav-dropdown a:last-child { border-bottom: none; }
.nav-dropdown a:hover { background: var(--navy-mid); color: var(--blue); }

[data-theme="dark"] .nav-dropdown a {
  color: #e8ecf1;
  border-bottom-color: var(--light-line);
}

/* ── Mobile sub-links ── */
.nav-mobile-menu .mobile-sub-link {
  font-size: 0.7rem;
  padding: 0.55rem 0 0.55rem 1.25rem;
  min-height: 38px;
  color: rgba(26,38,56,0.55);
  letter-spacing: 0.12em;
}

/* ── Hamburger ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--blue);
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile Menu ── */
.nav-mobile-menu {
  display: none;
  position: fixed;
  top: 70px; left: 0; right: 0;
  background: rgba(255,255,255,0.98);
  border-bottom: 1px solid var(--light-line);
  flex-direction: column;
  padding: 1.5rem 5%;
  gap: 1.25rem;
  z-index: 99;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] .nav-mobile-menu {
  background: rgba(26,31,46,0.98);
}

.nav-mobile-menu.is-open { display: flex; }

.nav-mobile-menu a {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #1a2638;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.25s;
}

.nav-mobile-menu .mobile-contact { color: var(--blue); font-weight: 500; }

[data-theme="dark"] .nav-mobile-menu a {
  color: #e8ecf1;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  font-family: 'Barlow', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  text-decoration: none;
  padding: 1rem 2.5rem;
  border-radius: 2px;
  transition: background 0.25s, transform 0.2s;
}

.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--blue);
  font-family: 'Barlow', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--blue);
  padding: 1rem 2rem;
  border-radius: 2px;
  transition: background 0.25s, color 0.25s;
}

.btn-outline:hover { background: var(--blue); color: #fff; }

/* ── Footer ── */
footer {
  background: #ffffff;
  border-top: 1px solid rgba(0,0,0,0.08);
  padding: 1.25rem 5%;
  margin-top: auto;
}

.footer-inner {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer img { height: 28px; width: auto; opacity: 0.75; filter: none; }

.footer-links { display: flex; gap: 2rem; list-style: none; }

.footer-links a {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(26,38,56,0.55);
  text-decoration: none;
  transition: color 0.25s;
}

.footer-links a:hover { color: var(--blue); }

.footer-copy { font-size: 0.65rem; color: rgba(26,38,56,0.45); letter-spacing: 0.05em; }

footer .nav-contact {
  padding: 0.65rem 1.75rem;
  font-size: 0.68rem;
  font-weight: 600;
}


/* ── Accessibility ── */
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

/* ── Responsive: Nav + Footer ── */
@media (max-width: 1180px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  /* Contact button stays visible, to the left of the hamburger */
  nav .nav-contact {
    margin-left: auto;
    margin-right: 0.75rem;
    padding: 0.45rem 1.1rem;
    font-size: 0.63rem;
  }
  .footer-inner { flex-direction: column; gap: 1.5rem; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 768px) {
  /* Hamburger — larger touch target */
  .hamburger { padding: 10px; gap: 6px; }
  /* Mobile menu — larger tap targets */
  .nav-mobile-menu { gap: 0; padding: 0.5rem 5%; }
  .nav-mobile-menu a { padding: 0.85rem 0; display: block; min-height: 44px; display: flex; align-items: center; }
  /* Footer */
  footer { padding: 1.25rem 5%; }
  .footer-links { gap: 1.25rem; }
}

@media (max-width: 375px) {
  nav { padding: 0.85rem 4%; }
  .nav-logo img { height: 30px; }
  .footer-links a { font-size: 0.68rem; }
}

@media (max-width: 480px) {
  /* Nav */
  nav { padding: 1rem 5%; }
  .nav-logo img { height: 32px; }
  /* Mobile menu font */
  .nav-mobile-menu a { font-size: 0.75rem; }
  /* Footer stack tighter */
  footer { padding: 1.25rem 5%; }
  .footer-links { gap: 0.85rem; flex-direction: column; align-items: center; }
  .footer-links a { font-size: 0.72rem; padding: 0.3rem 0; }
  .footer-copy { font-size: 0.7rem; }
  /* Footer contact button touch target */
  footer .nav-contact { min-height: 44px; display: inline-flex; align-items: center; }
  /* Buttons — enforce touch targets */
  .btn-primary, .btn-outline { padding: 0.9rem 2rem; min-height: 44px; }
  .btn-ghost, .btn-ghost-hero { min-height: 44px; }
}