/* ====================================================
   UNIFIED NAVIGATION BAR (BULLETPROOF)
   ==================================================== */

.site-header { 
    background: rgba(255, 255, 255, 0.95); 
    backdrop-filter: blur(12px); 
    box-shadow: 0 4px 25px rgba(0,0,0,0.05); 
    border-bottom: 1px solid rgba(0,0,0,0.03); 
    position: sticky; 
    top: 0; 
    z-index: 1000; 
    transition: all 0.3s ease; 
}
.site-header .nav-container { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Logo Styling */
.site-header .logo a { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.site-header .logo img { height: 50px; transition: transform 0.3s; }
.site-header .logo img:hover { transform: scale(1.02); }
.site-header .logo-text { font-size: 1.2rem; font-weight: bold; color: #4a5056; line-height: 1.1; }
.site-header .logo-text span { color: #1a8b9d; }

/* Desktop Navigation */
.main-nav .nav-list { 
    display: flex; 
    list-style: none; 
    gap: 1.5rem; 
    margin: 0; 
    padding: 0;
    flex-direction: row;
    align-items: center;
}

.main-nav .nav-item { margin: 0; padding: 0; position: relative; }

.main-nav .nav-link { 
    color: #475569; 
    text-decoration: none; 
    font-weight: 600; 
    font-size: 1.05rem; 
    transition: all 0.3s ease; 
    padding: 0.6rem 1.2rem;
    display: inline-block;
    border-radius: 50px;
}

.main-nav .nav-link:hover { 
    color: #1a8b9d; 
    background: rgba(26, 139, 157, 0.08); 
    transform: translateY(-2px);
}

/* Active State Pill */
.main-nav .nav-link.active {
    color: #ffffff;
    background: linear-gradient(135deg, #1a8b9d, #136a78);
    box-shadow: 0 4px 15px rgba(26, 139, 157, 0.3);
}
.main-nav .nav-link.active:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 139, 157, 0.4);
}

/* Hamburger Menu Button */
.mobile-toggle { 
    display: none; /* Hidden by default on desktop */
}

/* ====================================================
   TABLET / MOBILE RESPONSIVENESS (<= 1024px)
   ==================================================== */
@media (max-width: 1024px) {
    .site-header .nav-container { justify-content: space-between; padding: 1rem; }
    
    .mobile-toggle { 
        display: flex; 
        position: relative; 
        background: rgba(26, 139, 157, 0.1); 
        border: none; 
        width: 45px; 
        height: 45px; 
        border-radius: 8px; 
        flex-direction: column; 
        align-items: center; 
        justify-content: center; 
        z-index: 1001; 
        cursor: pointer; 
        margin-left: auto;
    }
    .mobile-toggle .bar { display: block; width: 25px; height: 3px; background-color: #1a8b9d; margin: 3px 0; transition: all 0.3s ease; border-radius: 2px; }
    .mobile-toggle.active .bar:nth-child(1) { transform: translateY(9px) rotate(45deg); }
    .mobile-toggle.active .bar:nth-child(2) { opacity: 0; }
    .mobile-toggle.active .bar:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

    .main-nav { 
        position: absolute; 
        top: 100%; 
        left: 0; 
        width: 100%; 
        background: #ffffff; 
        box-shadow: 0 10px 15px rgba(0,0,0,0.1); 
        border-top: 1px solid #eee; 
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0); 
        opacity: 0; 
        visibility: hidden; 
        transition: all 0.4s ease;
        z-index: 999; 
    }
    
    .main-nav.active { 
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%); 
        opacity: 1; 
        visibility: visible; 
    }
    
    .main-nav .nav-list {
        flex-direction: column;
        gap: 0;
    }
    
    .main-nav .nav-item { border-bottom: 1px solid #f5f5f5; width: 100%; text-align: center; }
    .main-nav .nav-link { display: block; padding: 1.5rem; font-size: 1.2rem; border-radius: 0; }
    
    /* Center the underline in mobile view */
    .main-nav .nav-link.active::after { bottom: 10px; }
}