/* ===== HEADER / NAVIGATION STYLES ===== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700;900&family=Crimson+Text:ital,wght@0,400;0,600;1,400;1,600&family=Raleway:wght@300;400;500;600;700&display=swap');

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

:root {
  --navy:        #060E21;
  --navy-mid:    #162651;
  --orange:      #E16919;
  --gold:        #F39A17;
  --bronze:      #9F581E;
  --white:       #F2F3F4;
  --white-dim:   rgba(242, 243, 244, 0.65);
  --purple:      #54295A;
  --nav-height:  80px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Raleway', sans-serif;
  background-color: var(--navy);
  color: var(--white);
  overflow-x: hidden;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3rem;
  background: rgba(6, 14, 33, 0.15);
  backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  transition: background 0.4s ease, backdrop-filter 0.4s ease, border-color 0.4s ease;
}

.navbar.scrolled {
  background: rgba(6, 14, 33, 0.95);
  backdrop-filter: blur(18px);
  border-bottom-color: rgba(243, 154, 23, 0.2);
}

.nav-logos {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.nav-logo {
  display: block;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-logo:hover { transform: scale(1.05); opacity: 0.9; }

.nav-logo.logo-invent img {
  height: 52px;
  width: auto;
  filter: drop-shadow(0 0 10px rgba(225, 105, 25, 0.4));
}

.nav-logo.logo-aurodhan img {
  height: 44px;
  width: auto;
  filter: brightness(0) invert(1) drop-shadow(0 0 6px rgba(243, 154, 23, 0.3));
  opacity: 0.9;
}

.nav-divider {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, rgba(243, 154, 23, 0.5), transparent);
}

.nav-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
}

.nav-title {
  font-family: 'Cinzel', serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
}

.nav-subtitle {
  font-size: 0.68rem;
  color: var(--white-dim);
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white-dim);
  text-decoration: none;
  position: relative;
  transition: color 0.3s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width 0.3s ease;
}

.nav-links a:hover { color: var(--gold); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  font-size: 0.75rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.15em !important;
  color: #fff !important;
  background: linear-gradient(90deg, var(--orange), var(--gold));
  padding: 0.5rem 1.4rem;
  border-radius: 3px;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(225, 105, 25, 0.4);
  color: #fff !important;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--gold);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) { .nav-center { display: none; } }

@media (max-width: 768px) {
  .navbar { padding: 0 1.5rem; }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    background: rgba(6, 14, 33, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(243, 154, 23, 0.2);
    transform: translateY(-110%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    opacity: 0;
  }
  .nav-links.open { transform: translateY(0); pointer-events: auto; opacity: 1; }
  .nav-links li { width: 100%; border-bottom: 1px solid rgba(243,154,23,0.08); }
  .nav-links a { display: block; padding: 1rem 2rem; font-size: 0.85rem; }
  .nav-links a::after { display: none; }
  .nav-cta { margin: 0.5rem 2rem; display: inline-block; padding: 0.75rem 1.5rem !important; }
  .nav-toggle { display: flex; }
  .nav-logo.logo-invent img { height: 40px; }
  .nav-logo.logo-aurodhan img { height: 34px; }
}