/* ==========================================================================
   NAVBAR SECTION — B.E.M. ARCHITECTURE
   Inspired by luxury hospitality aesthetics (Fasano & Aman Design Language)
   ========================================================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.75rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.15) 60%, transparent 100%);
  transition: background-color var(--transition-smooth), 
              padding var(--transition-smooth), 
              box-shadow var(--transition-smooth),
              backdrop-filter var(--transition-smooth);
}

/* Scrolled State: Frosted Luxury Glassmorphism */
.navbar.is-scrolled,
.navbar--solid {
  background: rgba(18, 19, 20, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.navbar.is-scrolled {
  padding: 1.1rem 3rem;
}

/* 3-Column Balanced Grid Layout */
.navbar__container {
  width: 100%;
  max-width: 1680px;
  margin-left: auto;
  margin-right: auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

/* --------------------------------------------------------------------------
   Left Column: Spacer (Guarantees perfect mathematical 3-column symmetry)
   -------------------------------------------------------------------------- */
.navbar__left {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.navbar__spacer {
  width: 38px;
  height: 38px;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Center Column: Minimalist Centered Logo + Typographic Title "Camarões"
   -------------------------------------------------------------------------- */
.navbar__center {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.navbar__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--color-white);
  transition: opacity var(--transition-fast);
}

.navbar__brand:hover {
  opacity: 0.92;
}

/* Minimalist Camarões Shrimp Logo (Centered directly above title) */
.navbar__logo {
  height: 18px;
  max-height: 18px;
  width: auto;
  object-fit: contain;
  margin-bottom: 6px;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.45));
  opacity: 1;
  transform: translateY(0) scale(1);
  overflow: hidden;
  transition: opacity 400ms var(--ease-luxury), 
              max-height 400ms var(--ease-luxury), 
              margin-bottom 400ms var(--ease-luxury), 
              transform 400ms var(--ease-luxury);
}

/* State: When menu/navbar is OPEN, the logo smoothly hides so ONLY 'Camarões' remains */
.navbar.is-menu-open .navbar__logo,
.navbar:has(.navbar__toggle[aria-expanded="true"]) .navbar__logo,
body.menu-open .navbar__logo {
  opacity: 0;
  max-height: 0;
  margin-bottom: 0;
  transform: translateY(-8px) scale(0.85);
  pointer-events: none;
}

.navbar__title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  line-height: 1;
  color: #ffffff;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.5);
  margin: 0;
  padding-left: 0.28em; /* Centers accurately despite tracking */
}

/* Subtitle: "desde 1989" directly below Camarões title */
.navbar__subtitle {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: rgba(255, 255, 255, 0.85);
  margin-top: 4px;
  padding-left: 0.28em;
  line-height: 1;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
  transition: color var(--transition-smooth), opacity var(--transition-smooth);
}

.navbar.is-scrolled .navbar__subtitle {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.6rem;
  letter-spacing: 0.24em;
  padding-left: 0.24em;
}

/* --------------------------------------------------------------------------
   Right Column: Asymmetric Hamburger Button
   Middle line is shorter than top and bottom lines
   -------------------------------------------------------------------------- */
.navbar__right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.navbar__toggle {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.6rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 5px;
  color: #ffffff;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.navbar__toggle:hover {
  opacity: 0.85;
}

/* Hamburger Line Elements */
.navbar__toggle-line {
  display: block;
  height: 1.5px;
  background-color: #ffffff;
  border-radius: 1px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
  pointer-events: none;
  transition: width var(--transition-smooth), transform var(--transition-smooth), opacity var(--transition-fast);
}

/* Top & Bottom: Full Length */
.navbar__toggle-line--top,
.navbar__toggle-line--bottom {
  width: 26px;
}

/* Middle: Distinctively Shorter */
.navbar__toggle-line--middle {
  width: 17px;
}

/* Hover Interaction: Middle line smoothly expands to match */
.navbar__toggle:hover .navbar__toggle-line--middle {
  width: 26px;
}

/* Active State Transformation (Close X indicator ready) */
.navbar__toggle[aria-expanded="true"] .navbar__toggle-line--top {
  transform: translateY(6.5px) rotate(45deg);
}

.navbar__toggle[aria-expanded="true"] .navbar__toggle-line--middle {
  opacity: 0;
  width: 0;
}

.navbar__toggle[aria-expanded="true"] .navbar__toggle-line--bottom {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ==========================================================================
   RESPONSIVENESS (TABLET & MOBILE)
   ========================================================================== */

/* Tablet (Portrait & Landscape: 768px - 1024px) */
@media (max-width: 1024px) {
  .navbar {
    padding: 1.4rem 2rem;
  }

  .navbar.is-scrolled {
    padding: 0.95rem 2rem;
  }

  .navbar__spacer {
    width: 32px;
    height: 32px;
  }

  .navbar__logo {
    height: 15px;
    max-height: 15px;
    margin-bottom: 5px;
  }

  .navbar__title {
    font-size: 1.45rem;
    letter-spacing: 0.22em;
    padding-left: 0.22em;
  }

  .navbar__subtitle {
    font-size: 0.58rem;
    letter-spacing: 0.22em;
    padding-left: 0.22em;
  }

  .navbar__toggle-line--top,
  .navbar__toggle-line--bottom {
    width: 24px;
  }

  .navbar__toggle-line--middle {
    width: 15px;
  }

  .navbar__toggle:hover .navbar__toggle-line--middle {
    width: 24px;
  }
}

/* Mobile Devices (<= 767px) */
@media (max-width: 767px) {
  .navbar {
    padding: 1.1rem 1.25rem;
  }

  .navbar.is-scrolled {
    padding: 0.85rem 1.25rem;
  }

  .navbar__spacer {
    width: 26px;
    height: 26px;
  }

  .navbar__logo {
    height: 13px;
    max-height: 13px;
    margin-bottom: 4px;
  }

  .navbar__title {
    font-size: 1.15rem;
    letter-spacing: 0.16em;
    padding-left: 0.16em;
  }

  .navbar__subtitle {
    font-size: 0.52rem;
    letter-spacing: 0.18em;
    padding-left: 0.18em;
  }

  .navbar__toggle {
    padding: 0.4rem;
    gap: 4.5px;
  }

  .navbar__toggle-line--top,
  .navbar__toggle-line--bottom {
    width: 22px;
  }

  .navbar__toggle-line--middle {
    width: 14px;
  }

  .navbar__toggle:hover .navbar__toggle-line--middle {
    width: 22px;
  }
}