/* ═══════════════════════════════════════════════════════════
   INFERCON — PROFESSIONAL COMPACT NAVBAR OVERRIDE
   Drop this AFTER main.css in your <head> to apply changes.
   ═══════════════════════════════════════════════════════════ */

/* ── Core variables ──────────────────────────────────────── */
:root {
  --nav-h: 76px;               /* navbar height */
  --nav-bg: #ffffff;
  --nav-bg-scroll: rgba(255, 255, 255, 0.97);
  --nav-border: rgba(226, 232, 240, 0.9);
  --nav-shadow: 0 1px 0 var(--nav-border), 0 4px 16px rgba(15,23,42,0.05);
  --nav-shadow-scroll: 0 1px 0 var(--nav-border), 0 8px 28px rgba(15,23,42,0.09);
  --nav-link-color: #1e293b;
  --nav-link-active: #2563eb;
  --nav-accent: #2563eb;
  --nav-logo-h: 48px;          /* logo height */
  --nav-btn-bg: #2563eb;
  --nav-btn-bg-h: #1d4ed8;
  --nav-font: "Poppins", sans-serif;
  --nav-radius: 7px;
}

/* ── Wrapper ─────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar {
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  min-height: var(--nav-h);
  height: var(--nav-h);
  background-color: var(--nav-bg) !important;
  border-bottom: 1px solid var(--nav-border) !important;
  box-shadow: var(--nav-shadow) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: navbar-enter 400ms ease-out both;
  transition: box-shadow 0.25s ease, background-color 0.25s ease;
}

.navbar.fixed-top {
  background: var(--nav-bg-scroll) !important;
  box-shadow: var(--nav-shadow-scroll) !important;
}

@keyframes navbar-enter {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Container alignment ─────────────────────────────────── */
.navbar > .container {
  height: var(--nav-h);
  display: flex;
  align-items: center;
}

/* ── Logo ────────────────────────────────────────────────── */
.navbar-brand {
  display: flex;
  align-items: center;
  padding: 0;
  margin-right: 32px;
  flex-shrink: 0;
}

.navbar-brand img,
.navbar .navbar-brand .logo-display,
.navbar .navbar-brand .logo-scrolled {
  height: var(--nav-logo-h) !important;
  width: auto !important;
  max-height: var(--nav-logo-h) !important;
  object-fit: contain;
  display: block;
}

.navbar .navbar-brand .logo-display  { display: block; }
.navbar .navbar-brand .logo-scrolled { display: none;  }
.navbar.fixed-top .navbar-brand .logo-display  { display: none;  }
.navbar.fixed-top .navbar-brand .logo-scrolled { display: block; }

/* ── Nav links ───────────────────────────────────────────── */
@media (min-width: 992px) {
  .navbar .navbar-nav {
    align-items: center;
    gap: 0;
  }

  .navbar .nav-item .nav-link {
    font-family: var(--nav-font);
    font-size: 0.88rem !important;
    font-weight: 600 !important;
    letter-spacing: 0.025em !important;
    color: var(--nav-link-color) !important;
    text-transform: none;
    padding: 0 16px !important;
    height: var(--nav-h);
    line-height: var(--nav-h);
    display: flex;
    align-items: center;
    position: relative;
    transition: color 160ms ease;
    white-space: nowrap;
    margin-right: 0 !important;
  }

  /* Animated underline accent — gradient bar that grows from centre */
  .navbar .nav-item .nav-link::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    right: 50%;
    height: 3px;
    background: linear-gradient(90deg, transparent 0%, var(--nav-accent) 30%, #60a5fa 50%, var(--nav-accent) 70%, transparent 100%);
    border-radius: 3px 3px 0 0;
    opacity: 0;
    transition: left 220ms ease, right 220ms ease, opacity 180ms ease;
  }

  /* Glowing dot at centre bottom on hover */
  .navbar .nav-item .nav-link::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%) scale(0);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--nav-accent);
    box-shadow: 0 0 8px 2px rgba(37,99,235,0.5);
    opacity: 0;
    transition: transform 200ms ease 100ms, opacity 200ms ease 100ms;
  }

  .navbar .nav-item .nav-link:hover,
  .navbar .nav-item .nav-link.active {
    color: var(--nav-link-active) !important;
  }

  .navbar .nav-item .nav-link:hover::before,
  .navbar .nav-item .nav-link.active::before {
    left: 12px;
    right: 12px;
    opacity: 1;
  }

  .navbar .nav-item .nav-link:hover::after,
  .navbar .nav-item .nav-link.active::after {
    transform: translateX(-50%) scale(1);
    opacity: 1;
  }

  /* ── Right section ── */
  .header-nav-right {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 16px;
    flex-shrink: 0;
  }

  /* Phone link */
  .nav-phone-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--nav-font);
    font-size: 0.84rem !important;
    font-weight: 700;
    color: #1a3a6e;
    text-decoration: none;
    letter-spacing: 0.02em;
    white-space: nowrap;
    padding: 6px 12px;
    border: 1px solid rgba(37, 99, 235, 0.18);
    border-radius: var(--nav-radius);
    background: rgba(37, 99, 235, 0.04);
    transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
  }
  .nav-phone-link i {
    color: var(--nav-accent);
    font-size: 0.75rem;
  }
  .nav-phone-link:hover {
    background: rgba(37, 99, 235, 0.1);
    border-color: rgba(37, 99, 235, 0.35);
    color: var(--nav-accent);
  }

  /* Brochure CTA button */
  .navbar .header-btn { padding-top: 0 !important; }

  .navbar .header-btn .theme-btn,
  .navbar.fixed-top .header-btn .theme-btn {
    background: var(--nav-btn-bg) !important;
    color: #ffffff !important;
    border: none;
    border-radius: var(--nav-radius) !important;
    padding: 9px 18px !important;
    font-family: var(--nav-font);
    font-size: 0.84rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.06em !important;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(37, 99, 235, 0.22);
    transition: background 160ms ease, transform 160ms ease, box-shadow 160ms ease;
  }

  .navbar .header-btn .theme-btn:hover {
    background: var(--nav-btn-bg-h) !important;
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.3);
  }

  .navbar .header-btn .theme-btn:active {
    transform: translateY(0);
  }

  /* Show header-btn at 992px+ even below 1199px */
  .navbar .header-btn { display: flex !important; align-items: center; }
}

/* ── Divider between nav links and right zone (subtle) ────── */
@media (min-width: 992px) {
  .header-nav-right::before {
    content: "";
    display: block;
    width: 1px;
    height: 22px;
    background: rgba(148, 163, 184, 0.35);
    margin-right: 4px;
  }
}

/* ── Mobile navbar ───────────────────────────────────────── */
@media (max-width: 991px) {
  .navbar {
    height: var(--nav-h) !important;
    min-height: var(--nav-h) !important;
    padding: 0 !important;
    position: fixed !important;
    top: 0; left: 0; right: 0;
  }

  .navbar > .container {
    height: var(--nav-h) !important;
    padding-left: 16px;
    padding-right: 16px;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    flex-wrap: nowrap !important;
  }

  .navbar-brand img,
  .navbar .navbar-brand .logo-display,
  .navbar .navbar-brand .logo-scrolled {
    height: 36px !important;
    max-height: 36px !important;
  }

  /* Hide desktop collapse */
  .navbar-collapse { display: none !important; }

  /* Toggler */
  .mobile-menu-right {
    display: flex;
    align-items: center;
  }

  button.navbar-toggler {
    font-size: 1.4rem !important;
    padding: 6px !important;
    margin: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: 6px;
    transition: background 150ms ease;
  }
  button.navbar-toggler:hover { background: rgba(15,23,42,0.06); }
  button.navbar-toggler:focus { outline: none; box-shadow: none; }

  .navbar-toggler-icon {
    width: 22px !important;
    height: 22px !important;
  }
}

@media (max-width: 575px) {
  .navbar-brand img,
  .navbar .navbar-brand .logo-display,
  .navbar .navbar-brand .logo-scrolled {
    height: 30px !important;
    max-height: 30px !important;
  }
}

/* ── Reduced-motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .navbar,
  .navbar .nav-item .nav-link,
  .navbar .nav-item .nav-link::before,
  .navbar .nav-item .nav-link::after,
  .navbar .header-btn .theme-btn {
    animation: none !important;
    transition: none !important;
  }
}