/* =====================================================
   NAVBAR — Premium Fintech Glass UI
   ===================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
  --nav-height: 68px;
  --nav-px: 40px;
  --nav-bg-glass: rgba(255, 255, 255, 0.6);
  --nav-bg-fallback: #f8fafc;
  --nav-border: 1px solid rgba(0, 0, 0, 0.05);
  --nav-shadow: 0 2px 12px rgba(0, 0, 0, 0.08), 0 8px 32px rgba(0, 0, 0, 0.05);
  --nav-blur: blur(12px);

  --brand-color: #0d1b2a;
  --brand-highlight: #2e7d32;

  --link-color: #374151;
  --link-hover-color: #111827;
  --link-active-color: #2e7d32;
  --link-font-size: 0.9rem;
  --link-font-weight: 500;
  --link-letter-spacing: 0.01em;

  --dropdown-bg: #ffffff;
  --dropdown-border: 1px solid rgba(0, 0, 0, 0.06);
  --dropdown-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
  --dropdown-radius: 14px;
  --dropdown-item-hover-bg: linear-gradient(90deg, #f0fdf4 0%, #dcfce7 100%);

  --badge-bg: #2e7d32;
  --badge-color: #ffffff;

  --cta-bg: #2e7d32;
  --cta-hover-bg: #1b5e20;
  --cta-color: #ffffff;
  --cta-radius: 8px;

  --transition-speed: 0.3s;
  --transition-ease: cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ---------- Header / Sticky wrapper ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
}

/* ---------- Navbar base (fallback first) ---------- */
.navbar {
  width: 100%;
  height: var(--nav-height);
  background-color: var(--nav-bg-fallback);
  border-bottom: var(--nav-border);
  box-shadow: var(--nav-shadow);
}

/* Glass effect — progressive enhancement */
@supports (backdrop-filter: blur(1px)) {
  .navbar {
    background: var(--nav-bg-glass);
    -webkit-backdrop-filter: var(--nav-blur);
    backdrop-filter: var(--nav-blur);
  }
}

/* ---------- Inner container ---------- */
.navbar__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--nav-px);
  gap: 24px;
}

/* =====================================================
   BRAND / LOGO
   ===================================================== */
.navbar__brand {
  flex-shrink: 0;
}

.navbar__logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--brand-color);
}

.navbar__logo-icon {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.navbar__logo-icon svg {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 4px rgba(46, 125, 50, 0.3));
  transition: filter 0.2s ease, transform 0.2s ease;
}

.navbar__logo:hover .navbar__logo-icon svg {
  filter: drop-shadow(0 3px 8px rgba(46, 125, 50, 0.45));
  transform: scale(1.08);
}

.navbar__logo-text {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--brand-color);
  line-height: 1;
  white-space: nowrap;
}

.navbar__logo-highlight {
  color: var(--brand-highlight);
}

/* =====================================================
   MENU — horizontal list
   ===================================================== */
.navbar__menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.navbar__item {
  position: relative;
}

/* ---------- Base link ---------- */
.navbar__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  font-size: var(--link-font-size);
  font-weight: var(--link-font-weight);
  letter-spacing: var(--link-letter-spacing);
  color: var(--link-color);
  text-decoration: none;
  border-radius: 6px;
  position: relative;
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
  transition: color var(--transition-speed) var(--transition-ease);
  white-space: nowrap;
}

/* Animated underline (left → right) */
.navbar__link::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--link-active-color);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--transition-speed) var(--transition-ease);
}

.navbar__link:hover {
  color: var(--link-hover-color);
}

.navbar__link:hover::after {
  transform: scaleX(1);
}

/* ---------- Active link ---------- */
.navbar__link--active {
  color: var(--link-active-color);
  font-weight: 600;
}

.navbar__link--active::after {
  transform: scaleX(1);
}

/* ---------- Highlighted link (AI Advisor) ---------- */
.navbar__link--highlight {
  color: var(--link-active-color);
}

.navbar__link--highlight:hover {
  color: var(--brand-color);
}

/* ---------- AI Badge ---------- */
.navbar__link-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 2px 5px;
  border-radius: 4px;
  background: var(--badge-bg);
  color: var(--badge-color);
  line-height: 1;
  text-transform: uppercase;
  margin-right: 2px;
}

/* ---------- Dropdown arrow ---------- */
.navbar__dropdown-arrow {
  font-size: 0.75rem;
  line-height: 1;
  transition: transform var(--transition-speed) var(--transition-ease);
  display: inline-block;
  margin-left: 2px;
}

/* =====================================================
   DROPDOWN
   ===================================================== */
.navbar__dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  min-width: 210px;
  list-style: none;
  background: var(--dropdown-bg);
  border: var(--dropdown-border);
  border-radius: var(--dropdown-radius);
  box-shadow: var(--dropdown-shadow);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity var(--transition-speed) var(--transition-ease),
    transform var(--transition-speed) var(--transition-ease),
    visibility var(--transition-speed) var(--transition-ease);
  z-index: 999;
}

/* Tiny arrow pointer on top of dropdown */
.navbar__dropdown::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 6px solid rgba(0, 0, 0, 0.05);
}

.navbar__dropdown::after {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 6px solid var(--dropdown-bg);
}

/* ---------- Show dropdown on hover (CSS-only) ---------- */
.navbar__item--dropdown:hover > .navbar__dropdown,
.navbar__item--dropdown:focus-within > .navbar__dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* Rotate arrow on dropdown open */
.navbar__item--dropdown:hover > .navbar__link--dropdown-trigger .navbar__dropdown-arrow,
.navbar__item--dropdown:focus-within > .navbar__link--dropdown-trigger .navbar__dropdown-arrow {
  transform: rotate(180deg);
}

/* ---------- Dropdown items ---------- */
.navbar__dropdown-item {
  border-radius: 8px;
  overflow: hidden;
}

.navbar__dropdown-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--link-color);
  text-decoration: none;
  border-radius: 8px;
  background: transparent;
  transition:
    background var(--transition-speed) var(--transition-ease),
    color var(--transition-speed) var(--transition-ease),
    padding-left var(--transition-speed) var(--transition-ease);
}

.navbar__dropdown-link:hover {
  background: var(--dropdown-item-hover-bg);
  color: var(--link-active-color);
  padding-left: 18px;
}

.navbar__dropdown-icon {
  font-size: 1rem;
  line-height: 1;
  flex-shrink: 0;
  opacity: 0.8;
}

/* =====================================================
   NAVBAR ACTIONS (Phone + CTA)
   ===================================================== */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

/* Phone link */
.navbar__phone {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--link-color);
  text-decoration: none;
  transition: color var(--transition-speed) var(--transition-ease);
  white-space: nowrap;
}

.navbar__phone:hover {
  color: var(--link-active-color);
}

.navbar__phone-icon {
  font-size: 0.95rem;
}

/* CTA button */
.navbar__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 20px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--cta-color);
  background: var(--cta-bg);
  border: none;
  border-radius: var(--cta-radius);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 2px 10px rgba(46, 125, 50, 0.3);
  transition:
    background var(--transition-speed) var(--transition-ease),
    box-shadow var(--transition-speed) var(--transition-ease),
    transform 0.15s var(--transition-ease);
}

.navbar__cta:hover {
  background: var(--cta-hover-bg);
  box-shadow: 0 4px 18px rgba(46, 125, 50, 0.45);
  transform: translateY(-1px);
}

.navbar__cta:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(46, 125, 50, 0.3);
}

/* =====================================================
   MOBILE TOGGLE (hidden on desktop)
   ===================================================== */
.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: none;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 8px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition-speed) var(--transition-ease);
}

.navbar__toggle:hover {
  background: rgba(0, 0, 0, 0.04);
}

.navbar__toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--brand-color);
  border-radius: 2px;
  transition: transform var(--transition-speed) var(--transition-ease),
    opacity var(--transition-speed) var(--transition-ease);
}

/* =====================================================
   RESPONSIVE
   ===================================================== */

/* Medium screens — tighten spacing */
@media (max-width: 1024px) {
  :root {
    --nav-px: 24px;
  }

  .navbar__menu {
    gap: 0;
  }

  .navbar__link {
    padding: 8px 10px;
  }

  .navbar__phone {
    display: none;
  }
}

/* Small screens — collapse menu */
@media (max-width: 768px) {
  :root {
    --nav-px: 16px;
  }

  .navbar__menu {
    display: none;
  }

  .navbar__actions {
    gap: 10px;
  }

  .navbar__toggle {
    display: flex;
  }
}

/* Extra small */
@media (max-width: 400px) {
  .navbar__cta {
    padding: 8px 14px;
    font-size: 0.8rem;
  }
}