/* ============================================================
   GridStackHub — Unified Navigation & Footer
   nav-unified.css
   ============================================================ */

/* ---- Reset nav-related conflicts ---- */
.site-header { all: unset; display: block; }
.site-footer { all: unset; display: block; }

/* ---- Design tokens ---- */
:root {
  --nav-height: 64px;
  --nav-bg: #ffffff;
  --nav-border: #e2e8f0;
  --nav-text: #0f172a;
  --nav-text-muted: #64748b;
  --nav-accent: #10b981;
  --nav-accent-hover: #059669;
  --nav-blue: #3b82f6;
  --nav-dropdown-bg: #ffffff;
  --nav-dropdown-shadow: 0 4px 24px rgba(0,0,0,0.10), 0 1px 4px rgba(0,0,0,0.06);
  --nav-dropdown-border: #e2e8f0;
  --nav-radius: 10px;
  --nav-max-width: 1280px;
  --footer-bg: #f8fafc;
  --footer-border: #e2e8f0;
  --footer-text: #64748b;
  --footer-heading: #0f172a;
}

/* ============================================================
   HEADER / NAV
   ============================================================ */

.site-header {
  position: sticky !important;
  top: 0 !important;
  z-index: 9999 !important;
  width: 100% !important;
  background: var(--nav-bg) !important;
  border-bottom: 1px solid var(--nav-border) !important;
  box-shadow: none !important;
  transition: box-shadow 0.2s ease !important;
}

.site-header.scrolled {
  box-shadow: 0 2px 16px rgba(0,0,0,0.08) !important;
}

.site-nav {
  width: 100%;
}

.nav-container {
  max-width: var(--nav-max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  gap: 0;
}

/* ---- Logo ---- */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--nav-text);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  margin-right: 32px;
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
}

.nav-logo:hover { opacity: 0.85; }

.nav-logo-mark {
  display: block;
  flex-shrink: 0;
}

.nav-logo-text {
  white-space: nowrap;
}

.nav-logo-tld {
  color: var(--nav-text-muted);
  font-weight: 400;
}

/* ---- Desktop Nav Items ---- */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav-dropdown-wrap {
  position: relative;
}

.nav-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--nav-text);
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
  white-space: nowrap;
}

.nav-dropdown-btn:hover,
.nav-dropdown-btn[aria-expanded="true"] {
  background: #f1f5f9;
  color: var(--nav-text);
}

.nav-chevron {
  transition: transform 0.18s ease;
  flex-shrink: 0;
  color: var(--nav-text-muted);
}

.nav-dropdown-btn[aria-expanded="true"] .nav-chevron {
  transform: rotate(180deg);
}

/* ---- Dropdown Menus ---- */
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 240px;
  background: var(--nav-dropdown-bg);
  border: 1px solid var(--nav-dropdown-border);
  border-radius: var(--nav-radius);
  box-shadow: var(--nav-dropdown-shadow);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
  z-index: 10000;
}

.nav-dropdown-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-wide {
  min-width: 280px;
}

.nav-dropdown-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 12px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--nav-text);
  transition: background 0.12s;
}

.nav-dropdown-item:hover {
  background: #f8fafc;
}

.nav-dropdown-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--nav-text);
  line-height: 1.3;
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
}

.nav-dropdown-desc {
  font-size: 0.75rem;
  color: var(--nav-text-muted);
  line-height: 1.4;
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
}

.nav-pro-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: #f0fdf4;
  color: var(--nav-accent);
  border: 1px solid #bbf7d0;
  padding: 1px 5px;
  border-radius: 4px;
  vertical-align: middle;
  margin-left: 4px;
}

.nav-dropdown-divider {
  height: 1px;
  background: var(--nav-dropdown-border);
  margin: 4px 0;
}

.nav-pricing-item .nav-dropdown-label {
  color: var(--nav-text-muted);
}

/* ---- Sign in link ---- */
.nav-signin {
  display: inline-block;
  padding: 6px 12px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--nav-blue);
  text-decoration: none;
  border-radius: 6px;
  transition: background 0.15s;
  white-space: nowrap;
  margin-left: 4px;
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
}

.nav-signin:hover { background: #eff6ff; }

/* ---- CTA button ---- */
.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--nav-accent);
  color: #ffffff !important;
  text-decoration: none !important;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 8px;
  white-space: nowrap;
  transition: background 0.15s, transform 0.1s;
  margin-left: 12px;
  flex-shrink: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
}

.nav-cta-btn:hover {
  background: var(--nav-accent-hover);
  transform: translateY(-1px);
}

/* ---- Hamburger ---- */
.nav-hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--nav-border);
  border-radius: 8px;
  cursor: pointer;
  color: var(--nav-text);
  margin-left: 12px;
  flex-shrink: 0;
}

.nav-hamburger:hover { background: #f1f5f9; }

/* ============================================================
   MOBILE MENU
   ============================================================ */

.nav-mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #ffffff;
  z-index: 9998;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  overflow-y: auto;
  padding-top: var(--nav-height);
}

.nav-mobile-menu.open {
  transform: translateX(0);
}

.nav-mobile-inner {
  padding: 20px 24px 40px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.nav-mobile-section {
  border-bottom: 1px solid var(--nav-border);
  padding: 16px 0;
}

.nav-mobile-heading {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--nav-text-muted);
  margin-bottom: 8px;
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
}

.nav-mobile-item {
  display: block;
  padding: 10px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--nav-text);
  text-decoration: none;
  border-radius: 6px;
  transition: color 0.12s;
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
}

.nav-mobile-item:hover { color: var(--nav-accent); }

.nav-mobile-cta {
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.nav-cta-full {
  width: 100%;
  text-align: center;
  justify-content: center;
  padding: 14px 20px;
  font-size: 1rem;
  margin-left: 0 !important;
}

.nav-mobile-signin {
  display: block;
  text-align: center;
  padding: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--nav-blue);
  text-decoration: none;
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
}

/* ============================================================
   RESPONSIVE: Mobile
   ============================================================ */

@media (max-width: 767px) {
  .nav-desktop { display: none !important; }
  .nav-signin { display: none !important; }
  .nav-cta-btn:not(.nav-cta-full) { display: none !important; }
  .nav-hamburger { display: flex !important; }
  .nav-container { gap: 0; }
  .nav-logo { margin-right: auto; }
}

@media (min-width: 768px) {
  .nav-hamburger { display: none !important; }
  .nav-mobile-menu { display: none !important; }
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  background: var(--footer-bg) !important;
  border-top: 1px solid var(--footer-border) !important;
  margin-top: auto;
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
}

.footer-container {
  max-width: var(--nav-max-width);
  margin: 0 auto;
  padding: 56px 24px 32px;
}

.footer-top {
  display: grid;
  grid-template-columns: 280px repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--footer-heading);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}

.footer-logo:hover { opacity: 0.8; }

.footer-logo-tld {
  color: var(--footer-text);
  font-weight: 400;
}

.footer-brand-desc {
  font-size: 0.8rem;
  color: var(--footer-text);
  line-height: 1.6;
  margin: 0;
}

.footer-network-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  background: #ffffff;
  border: 1px solid var(--footer-border);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--footer-heading);
  text-decoration: none;
  width: fit-content;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.footer-network-badge:hover {
  border-color: #cbd5e1;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.footer-col-heading {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--footer-heading);
  margin: 0 0 12px 0;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links li { margin: 0; }

.footer-links a {
  font-size: 0.8rem;
  color: var(--footer-text);
  text-decoration: none;
  line-height: 1.5;
  transition: color 0.12s;
}

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

/* ---- Footer newsletter ---- */
.footer-newsletter-desc {
  font-size: 0.78rem;
  color: var(--footer-text);
  margin: 0 0 10px 0;
  line-height: 1.5;
}

.footer-newsletter-form {
  display: flex;
  gap: 6px;
}

.footer-newsletter-input {
  flex: 1;
  padding: 7px 10px;
  border: 1px solid var(--footer-border);
  border-radius: 6px;
  font-size: 0.78rem;
  background: #fff;
  color: var(--footer-heading);
  outline: none;
  min-width: 0;
  font-family: inherit;
}

.footer-newsletter-input:focus {
  border-color: var(--nav-accent);
  box-shadow: 0 0 0 3px rgba(16,185,129,0.1);
}

.footer-newsletter-btn {
  padding: 7px 14px;
  background: var(--nav-accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
  font-family: inherit;
}

.footer-newsletter-btn:hover { background: var(--nav-accent-hover); }

/* ---- Footer bottom ---- */
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--footer-border);
  padding-top: 24px;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--footer-text);
}

.footer-bottom-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-cc,
.footer-bottom-right a {
  font-size: 0.78rem;
  color: var(--footer-text);
  text-decoration: none;
}

.footer-cc a,
.footer-bottom-right a:hover { color: var(--footer-heading); }

/* ---- Footer responsive ---- */
@media (max-width: 1100px) {
  .footer-top {
    grid-template-columns: 220px repeat(4, 1fr);
    gap: 28px;
  }
}

@media (max-width: 900px) {
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-brand {
    grid-column: 1;
  }
  .footer-container {
    padding: 40px 20px 24px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

/* ---- Dark page overrides: footer stays light ---- */
.site-footer * { box-sizing: border-box; }
.site-header * { box-sizing: border-box; }